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qstylesheetstyle.cpp
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1// Copyright (C) 2016 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3// Qt-Security score:critical reason:data-parser
4
5#include <qglobal.h>
6#include "qstylesheetstyle_p.h"
7
8#if QT_CONFIG(style_stylesheet)
9
10#include "private/qcssutil_p.h"
11#include <qdebug.h>
12#include <qdir.h>
13#include <qapplication.h>
14#if QT_CONFIG(menu)
15#include <qmenu.h>
16#endif
17#if QT_CONFIG(menubar)
18#include <qmenubar.h>
19#endif
20#include <qpainter.h>
21#include <qstyleoption.h>
22#if QT_CONFIG(lineedit)
23#include <qlineedit.h>
24#endif
25#if QT_CONFIG(textedit)
26#include <qtextedit.h>
27#include <qplaintextedit.h>
28#endif
29#include <private/qwindowsstyle_p.h>
30#if QT_CONFIG(combobox)
31#include <qcombobox.h>
32#endif
33#include "private/qcssparser_p.h"
34#include "private/qmath_p.h"
35#include <qabstractscrollarea.h>
36#include "private/qabstractscrollarea_p.h"
37#if QT_CONFIG(tooltip)
38#include "private/qtooltip_p.h"
39#endif
40#include <qshareddata.h>
41#if QT_CONFIG(toolbutton)
42#include <qtoolbutton.h>
43#endif
44#if QT_CONFIG(scrollbar)
45#include <qscrollbar.h>
46#endif
47#if QT_CONFIG(abstractslider)
48#include <qabstractslider.h>
49#endif
50#include <qstring.h>
51#include <qfile.h>
52#if QT_CONFIG(checkbox)
53#include <qcheckbox.h>
54#endif
55#if QT_CONFIG(itemviews)
56#include <qheaderview.h>
57#endif
58#include <private/qwindowsstyle_p_p.h>
59#if QT_CONFIG(animation)
60#include <private/qstyleanimation_p.h>
61#endif
62#if QT_CONFIG(tabbar)
63#include <private/qtabbar_p.h>
64#endif
65#include <QMetaProperty>
66#if QT_CONFIG(mainwindow)
67#include <qmainwindow.h>
68#endif
69#if QT_CONFIG(dockwidget)
70#include <qdockwidget.h>
71#endif
72#if QT_CONFIG(mdiarea)
73#include <qmdisubwindow.h>
74#endif
75#if QT_CONFIG(dialog)
76#include <qdialog.h>
77#endif
78#include <private/qwidget_p.h>
79#if QT_CONFIG(spinbox)
80#include <QAbstractSpinBox>
81#endif
82#if QT_CONFIG(label)
83#include <QLabel>
84#endif
85#include "qdrawutil.h"
86#include "qstylehelper_p.h"
87
88#include <limits.h>
89#if QT_CONFIG(toolbar)
90#include <QtWidgets/qtoolbar.h>
91#endif
92#if QT_CONFIG(pushbutton)
93#include <QtWidgets/qpushbutton.h>
94#endif
95
96#include <QtGui/qpainterpath.h>
97#include <QtGui/qpainterstateguard.h>
98#include <QtGui/qscreen.h>
99
100#include <QtCore/private/qduplicatetracker_p.h>
101
102QT_BEGIN_NAMESPACE
103
104using namespace Qt::StringLiterals;
105
106using namespace QCss;
107
108
109class QStyleSheetStylePrivate : public QWindowsStylePrivate
110{
111 Q_DECLARE_PUBLIC(QStyleSheetStyle)
112public:
113 QStyleSheetStylePrivate() { }
114};
115
116class QStyleSheetProxySaver
117{
118public:
119 QStyleSheetProxySaver(const QStyleSheetStyle *that)
120 : m_that(const_cast<QStyleSheetStyle *>(that))
121 , m_oldProxy(const_cast<QStyle *>(that->baseStyle()->proxy()))
122 {
123 m_that->baseStyle()->setProxy(m_that);
124 }
125 ~QStyleSheetProxySaver()
126 {
127 m_that->baseStyle()->setProxy(m_oldProxy);
128 }
129
130private:
131 QStyleSheetStyle *m_that;
132 QStyle *m_oldProxy;
133};
134
135
136static QStyleSheetStyleCaches *styleSheetCaches = nullptr;
137
138/* RECURSION_GUARD:
139 * the QStyleSheetStyle is a proxy. If used with others proxy style, we may end up with something like:
140 * QStyleSheetStyle -> ProxyStyle -> QStyleSheetStyle -> OriginalStyle
141 * Recursion may happen if the style call the widget()->style() again.
142 * Not to mention the performance penalty of having two lookup of rules.
143 *
144 * The first instance of QStyleSheetStyle will set globalStyleSheetStyle to itself. The second one
145 * will notice the globalStyleSheetStyle is not istelf and call its base style directly.
146 */
147static const QStyleSheetStyle *globalStyleSheetStyle = nullptr;
148class QStyleSheetStyleRecursionGuard
149{
150 public:
151 QStyleSheetStyleRecursionGuard(const QStyleSheetStyle *that)
152 : guarded(globalStyleSheetStyle == nullptr)
153 {
154 if (guarded) globalStyleSheetStyle = that;
155 }
156 ~QStyleSheetStyleRecursionGuard() { if (guarded) globalStyleSheetStyle = nullptr; }
157 bool guarded;
158};
159#define RECURSION_GUARD(RETURN)
160 if (globalStyleSheetStyle != 0 && globalStyleSheetStyle != this) { RETURN; }
161 QStyleSheetStyleRecursionGuard recursion_guard(this);
162
163enum PseudoElement {
164 PseudoElement_None,
165 PseudoElement_DownArrow,
166 PseudoElement_UpArrow,
167 PseudoElement_LeftArrow,
168 PseudoElement_RightArrow,
169 PseudoElement_Indicator,
170 PseudoElement_ExclusiveIndicator,
171 PseudoElement_PushButtonMenuIndicator,
172 PseudoElement_ComboBoxDropDown,
173 PseudoElement_ComboBoxArrow,
174 PseudoElement_Item,
175 PseudoElement_SpinBoxUpButton,
176 PseudoElement_SpinBoxUpArrow,
177 PseudoElement_SpinBoxDownButton,
178 PseudoElement_SpinBoxDownArrow,
179 PseudoElement_GroupBoxTitle,
180 PseudoElement_GroupBoxIndicator,
181 PseudoElement_ToolButtonMenu,
182 PseudoElement_ToolButtonMenuArrow,
183 PseudoElement_ToolButtonMenuIndicator,
184 PseudoElement_ToolBoxTab,
185 PseudoElement_ScrollBarSlider,
186 PseudoElement_ScrollBarAddPage,
187 PseudoElement_ScrollBarSubPage,
188 PseudoElement_ScrollBarAddLine,
189 PseudoElement_ScrollBarSubLine,
190 PseudoElement_ScrollBarFirst,
191 PseudoElement_ScrollBarLast,
192 PseudoElement_ScrollBarUpArrow,
193 PseudoElement_ScrollBarDownArrow,
194 PseudoElement_ScrollBarLeftArrow,
195 PseudoElement_ScrollBarRightArrow,
196 PseudoElement_SplitterHandle,
197 PseudoElement_ToolBarHandle,
198 PseudoElement_ToolBarSeparator,
199 PseudoElement_MenuScroller,
200 PseudoElement_MenuTearoff,
201 PseudoElement_MenuCheckMark,
202 PseudoElement_MenuSeparator,
203 PseudoElement_MenuIcon,
204 PseudoElement_MenuRightArrow,
205 PseudoElement_TreeViewBranch,
206 PseudoElement_HeaderViewSection,
207 PseudoElement_HeaderViewUpArrow,
208 PseudoElement_HeaderViewDownArrow,
209 PseudoElement_ProgressBarChunk,
210 PseudoElement_TabBarTab,
211 PseudoElement_TabBarScroller,
212 PseudoElement_TabBarTear,
213 PseudoElement_SliderGroove,
214 PseudoElement_SliderHandle,
215 PseudoElement_SliderAddPage,
216 PseudoElement_SliderSubPage,
217 PseudoElement_SliderTickmark,
218 PseudoElement_TabWidgetPane,
219 PseudoElement_TabWidgetTabBar,
220 PseudoElement_TabWidgetLeftCorner,
221 PseudoElement_TabWidgetRightCorner,
222 PseudoElement_DockWidgetTitle,
223 PseudoElement_DockWidgetCloseButton,
224 PseudoElement_DockWidgetFloatButton,
225 PseudoElement_DockWidgetSeparator,
226 PseudoElement_MdiCloseButton,
227 PseudoElement_MdiMinButton,
228 PseudoElement_MdiNormalButton,
229 PseudoElement_TitleBar,
230 PseudoElement_TitleBarCloseButton,
231 PseudoElement_TitleBarMinButton,
232 PseudoElement_TitleBarMaxButton,
233 PseudoElement_TitleBarShadeButton,
234 PseudoElement_TitleBarUnshadeButton,
235 PseudoElement_TitleBarNormalButton,
236 PseudoElement_TitleBarContextHelpButton,
237 PseudoElement_TitleBarSysMenu,
238 PseudoElement_ViewItem,
239 PseudoElement_ViewItemIcon,
240 PseudoElement_ViewItemText,
241 PseudoElement_ViewItemIndicator,
242 PseudoElement_ScrollAreaCorner,
243 PseudoElement_TabBarTabCloseButton,
244 NumPseudoElements
245};
246
247struct PseudoElementInfo {
248 QStyle::SubControl subControl;
249 const char name[19];
250};
251
252static constexpr PseudoElementInfo knownPseudoElements[NumPseudoElements] = {
253 { QStyle::SC_None, "" },
254 { QStyle::SC_None, "down-arrow" },
255 { QStyle::SC_None, "up-arrow" },
256 { QStyle::SC_None, "left-arrow" },
257 { QStyle::SC_None, "right-arrow" },
258 { QStyle::SC_None, "indicator" },
259 { QStyle::SC_None, "indicator" },
260 { QStyle::SC_None, "menu-indicator" },
261 { QStyle::SC_ComboBoxArrow, "drop-down" },
262 { QStyle::SC_ComboBoxArrow, "down-arrow" },
263 { QStyle::SC_None, "item" },
264 { QStyle::SC_SpinBoxUp, "up-button" },
265 { QStyle::SC_SpinBoxUp, "up-arrow" },
266 { QStyle::SC_SpinBoxDown, "down-button" },
267 { QStyle::SC_SpinBoxDown, "down-arrow" },
268 { QStyle::SC_GroupBoxLabel, "title" },
269 { QStyle::SC_GroupBoxCheckBox, "indicator" },
270 { QStyle::SC_ToolButtonMenu, "menu-button" },
271 { QStyle::SC_ToolButtonMenu, "menu-arrow" },
272 { QStyle::SC_None, "menu-indicator" },
273 { QStyle::SC_None, "tab" },
274 { QStyle::SC_ScrollBarSlider, "handle" },
275 { QStyle::SC_ScrollBarAddPage, "add-page" },
276 { QStyle::SC_ScrollBarSubPage, "sub-page" },
277 { QStyle::SC_ScrollBarAddLine, "add-line" },
278 { QStyle::SC_ScrollBarSubLine, "sub-line" },
279 { QStyle::SC_ScrollBarFirst, "first" },
280 { QStyle::SC_ScrollBarLast, "last" },
281 { QStyle::SC_ScrollBarSubLine, "up-arrow" },
282 { QStyle::SC_ScrollBarAddLine, "down-arrow" },
283 { QStyle::SC_ScrollBarSubLine, "left-arrow" },
284 { QStyle::SC_ScrollBarAddLine, "right-arrow" },
285 { QStyle::SC_None, "handle" },
286 { QStyle::SC_None, "handle" },
287 { QStyle::SC_None, "separator" },
288 { QStyle::SC_None, "scroller" },
289 { QStyle::SC_None, "tearoff" },
290 { QStyle::SC_None, "indicator" },
291 { QStyle::SC_None, "separator" },
292 { QStyle::SC_None, "icon" },
293 { QStyle::SC_None, "right-arrow" },
294 { QStyle::SC_None, "branch" },
295 { QStyle::SC_None, "section" },
296 { QStyle::SC_None, "down-arrow" },
297 { QStyle::SC_None, "up-arrow" },
298 { QStyle::SC_None, "chunk" },
299 { QStyle::SC_None, "tab" },
300 { QStyle::SC_None, "scroller" },
301 { QStyle::SC_None, "tear" },
302 { QStyle::SC_SliderGroove, "groove" },
303 { QStyle::SC_SliderHandle, "handle" },
304 { QStyle::SC_None, "add-page" },
305 { QStyle::SC_None, "sub-page" },
306 { QStyle::SC_SliderTickmarks, "tick-mark" },
307 { QStyle::SC_None, "pane" },
308 { QStyle::SC_None, "tab-bar" },
309 { QStyle::SC_None, "left-corner" },
310 { QStyle::SC_None, "right-corner" },
311 { QStyle::SC_None, "title" },
312 { QStyle::SC_None, "close-button" },
313 { QStyle::SC_None, "float-button" },
314 { QStyle::SC_None, "separator" },
315 { QStyle::SC_MdiCloseButton, "close-button" },
316 { QStyle::SC_MdiMinButton, "minimize-button" },
317 { QStyle::SC_MdiNormalButton, "normal-button" },
318 { QStyle::SC_TitleBarLabel, "title" },
319 { QStyle::SC_TitleBarCloseButton, "close-button" },
320 { QStyle::SC_TitleBarMinButton, "minimize-button" },
321 { QStyle::SC_TitleBarMaxButton, "maximize-button" },
322 { QStyle::SC_TitleBarShadeButton, "shade-button" },
323 { QStyle::SC_TitleBarUnshadeButton, "unshade-button" },
324 { QStyle::SC_TitleBarNormalButton, "normal-button" },
325 { QStyle::SC_TitleBarContextHelpButton, "contexthelp-button" },
326 { QStyle::SC_TitleBarSysMenu, "sys-menu" },
327 { QStyle::SC_None, "item" },
328 { QStyle::SC_None, "icon" },
329 { QStyle::SC_None, "text" },
330 { QStyle::SC_None, "indicator" },
331 { QStyle::SC_None, "corner" },
332 { QStyle::SC_None, "close-button" },
333};
334
335
336struct QStyleSheetBorderImageData : public QSharedData
337{
338 std::array<int, 4> cuts = {-1, -1, -1, -1};
339 QCss::TileMode horizStretch = QCss::TileMode_Unknown;
340 QCss::TileMode vertStretch = QCss::TileMode_Unknown;
341 QPixmap pixmap;
342};
343
344struct QStyleSheetBackgroundData : public QSharedData
345{
346 QStyleSheetBackgroundData(const QBrush& b, const QPixmap& p, QCss::Repeat r,
347 Qt::Alignment a, QCss::Origin o, Attachment t, QCss::Origin c)
348 : brush(b), pixmap(p), repeat(r), position(a), origin(o), attachment(t), clip(c) { }
349
350 bool isTransparent() const {
351 if (brush.style() != Qt::NoBrush)
352 return !brush.isOpaque();
353 return pixmap.isNull() ? false : pixmap.hasAlpha();
354 }
355 QBrush brush;
356 QPixmap pixmap;
357 QCss::Repeat repeat;
358 Qt::Alignment position;
359 QCss::Origin origin;
360 QCss::Attachment attachment;
361 QCss::Origin clip;
362};
363
364struct QStyleSheetBorderData : public QSharedData
365{
366 QStyleSheetBorderData() = default;
367
368 std::array<int, 4> borders = {0, 0, 0, 0};
369 std::array<QBrush, 4> colors;
370 std::array<QCss::BorderStyle, 4> styles = {QCss::BorderStyle_None,
371 QCss::BorderStyle_None,
372 QCss::BorderStyle_None,
373 QCss::BorderStyle_None};
374 std::array<QSize, 4> radii; // topleft, topright, bottomleft, bottomright
375 QSharedDataPointer<QStyleSheetBorderImageData> bi;
376
377 const QStyleSheetBorderImageData *borderImage() const { return bi; }
378 bool hasBorderImage() const { return bi!=nullptr; }
379 bool isOpaque() const
380 {
381 for (size_t i = 0; i < 4; i++) {
382 if (styles[i] == QCss::BorderStyle_Native || styles[i] == QCss::BorderStyle_None)
383 continue;
384 if (styles[i] >= QCss::BorderStyle_Dotted && styles[i] <= QCss::BorderStyle_DotDotDash
385 && styles[i] != BorderStyle_Solid)
386 return false;
387 if (!colors[i].isOpaque())
388 return false;
389 if (!radii[i].isEmpty())
390 return false;
391 }
392 if (bi != nullptr && bi->pixmap.hasAlpha())
393 return false;
394 return true;
395 }
396};
397
398
399struct QStyleSheetOutlineData : public QStyleSheetBorderData
400{
401 QStyleSheetOutlineData() = default;
402
403 std::array<int, 4> offsets = {0, 0, 0, 0};
404};
405
406struct QStyleSheetBoxData : public QSharedData
407{
408 std::array<int, 4> margins = {0, 0, 0, 0};
409 std::array<int, 4> paddings = {0, 0, 0, 0};
410 int spacing = -1;
411};
412
413struct QStyleSheetPaletteData : public QSharedData
414{
415 QStyleSheetPaletteData(const QBrush &foreground,
416 const QBrush &selectedForeground,
417 const QBrush &selectedBackground,
418 const QBrush &alternateBackground,
419 const QBrush &placeHolderTextForeground,
420 const QBrush &accent)
421 : foreground(foreground)
422 , selectionForeground(selectedForeground)
423 , selectionBackground(selectedBackground)
424 , alternateBackground(alternateBackground)
425 , placeholderForeground(placeHolderTextForeground)
426 , accent(accent)
427 { }
428
429 QBrush foreground;
430 QBrush selectionForeground;
431 QBrush selectionBackground;
432 QBrush alternateBackground;
433 QBrush placeholderForeground;
434 QBrush accent;
435};
436
437struct QStyleSheetGeometryData : public QSharedData
438{
439 QStyleSheetGeometryData(int w, int h, int minw, int minh, int maxw, int maxh)
440 : minWidth(minw), minHeight(minh), width(w), height(h), maxWidth(maxw), maxHeight(maxh) { }
441
442 int minWidth, minHeight, width, height, maxWidth, maxHeight;
443};
444
445struct QStyleSheetPositionData : public QSharedData
446{
447 QStyleSheetPositionData(int l, int t, int r, int b, Origin o, Qt::Alignment p, QCss::PositionMode m, Qt::Alignment a = { })
448 : left(l), top(t), bottom(b), right(r), origin(o), position(p), mode(m), textAlignment(a) { }
449
450 int left, top, bottom, right;
451 Origin origin;
452 Qt::Alignment position;
453 QCss::PositionMode mode;
454 Qt::Alignment textAlignment;
455};
456
457struct QStyleSheetImageData : public QSharedData
458{
459 QStyleSheetImageData(const QIcon &i, Qt::Alignment a, const QSize &sz)
460 : icon(i), alignment(a), size(sz) { }
461
462 QIcon icon;
463 Qt::Alignment alignment;
464 QSize size;
465};
466
467class QRenderRule
468{
469public:
470 QRenderRule() : features(0), hasFont(false), pal(nullptr), b(nullptr), bg(nullptr), bd(nullptr), ou(nullptr), geo(nullptr), p(nullptr), img(nullptr), clipset(0) { }
471 QRenderRule(const QList<QCss::Declaration> &, const QObject *);
472
473 QRect borderRect(const QRect &r) const;
474 QRect outlineRect(const QRect &r) const;
475 QRect paddingRect(const QRect &r) const;
476 QRect contentsRect(const QRect &r) const;
477
478 enum { Margin = 1, Border = 2, Padding = 4, All=Margin|Border|Padding };
479 QRect boxRect(const QRect &r, int flags = All) const;
480 QSize boxSize(const QSize &s, int flags = All) const;
481 QRect originRect(const QRect &rect, Origin origin) const;
482
483 QPainterPath borderClip(QRect rect);
484 void drawBorder(QPainter *, const QRect&);
485 void drawOutline(QPainter *, const QRect&);
486 void drawBorderImage(QPainter *, const QRect&);
487 void drawBackground(QPainter *, const QRect&, const QPoint& = QPoint(0, 0));
488 void drawBackgroundImage(QPainter *, const QRect&, QPoint = QPoint(0, 0));
489 void drawFrame(QPainter *, const QRect&);
490 void drawImage(QPainter *p, const QRect &rect);
491 void drawRule(QPainter *, const QRect&);
492 void configurePalette(QPalette *, QPalette::ColorGroup, const QWidget *, bool);
493 void configurePalette(QPalette *p, QPalette::ColorRole fr, QPalette::ColorRole br);
494
495 const QStyleSheetPaletteData *palette() const { return pal; }
496 const QStyleSheetBoxData *box() const { return b; }
497 const QStyleSheetBackgroundData *background() const { return bg; }
498 const QStyleSheetBorderData *border() const { return bd; }
499 const QStyleSheetOutlineData *outline() const { return ou; }
500 const QStyleSheetGeometryData *geometry() const { return geo; }
501 const QStyleSheetPositionData *position() const { return p; }
502 const QStyleSheetImageData *icon() const { return iconPtr; }
503
504 bool hasModification() const;
505
506 bool hasPalette() const { return pal != nullptr; }
507 bool hasBackground() const { return bg != nullptr && (!bg->pixmap.isNull() || bg->brush.style() != Qt::NoBrush); }
508 bool hasGradientBackground() const { return bg && bg->brush.style() >= Qt::LinearGradientPattern
509 && bg->brush.style() <= Qt::ConicalGradientPattern; }
510
511 bool hasNativeBorder() const {
512 return bd == nullptr
513 || (!bd->hasBorderImage() && bd->styles[0] == BorderStyle_Native);
514 }
515
516 bool hasNativeOutline() const {
517 return (ou == nullptr
518 || (!ou->hasBorderImage() && ou->styles[0] == BorderStyle_Native));
519 }
520
521 bool baseStyleCanDraw() const {
522 if (!hasBackground() || (background()->brush.style() == Qt::NoBrush && bg->pixmap.isNull()))
523 return true;
524 if (bg && !bg->pixmap.isNull())
525 return false;
526 if (hasGradientBackground())
527 return features & StyleFeature_BackgroundGradient;
528 return features & StyleFeature_BackgroundColor;
529 }
530
531 bool hasBox() const { return b != nullptr; }
532 bool hasBorder() const { return bd != nullptr; }
533 bool hasOutline() const { return ou != nullptr; }
534 bool hasPosition() const { return p != nullptr; }
535 bool hasGeometry() const { return geo != nullptr; }
536 bool hasDrawable() const { return !hasNativeBorder() || hasBackground() || hasImage(); }
537 bool hasImage() const { return img != nullptr; }
538 bool hasIcon() const { return iconPtr != nullptr; }
539
540 QSize minimumContentsSize() const
541 { return geo ? QSize(geo->minWidth, geo->minHeight) : QSize(0, 0); }
542 QSize minimumSize() const
543 { return boxSize(minimumContentsSize()); }
544
545 QSize contentsSize() const
546 { return geo ? QSize(geo->width, geo->height)
547 : ((img && img->size.isValid()) ? img->size : QSize()); }
548 QSize contentsSize(const QSize &sz) const
549 {
550 QSize csz = contentsSize();
551 if (csz.width() == -1) csz.setWidth(sz.width());
552 if (csz.height() == -1) csz.setHeight(sz.height());
553 return csz;
554 }
555 bool hasContentsSize() const
556 { return (geo && (geo->width != -1 || geo->height != -1)) || (img && img->size.isValid()); }
557
558 QSize size() const { return boxSize(contentsSize()); }
559 QSize size(const QSize &sz) const { return boxSize(contentsSize(sz)); }
560 QSize adjustSize(const QSize &sz)
561 {
562 if (!geo)
563 return sz;
564 QSize csz = contentsSize();
565 if (csz.width() == -1) csz.setWidth(sz.width());
566 if (csz.height() == -1) csz.setHeight(sz.height());
567 if (geo->maxWidth != -1 && csz.width() > geo->maxWidth) csz.setWidth(geo->maxWidth);
568 if (geo->maxHeight != -1 && csz.height() > geo->maxHeight) csz.setHeight(geo->maxHeight);
569 csz=csz.expandedTo(QSize(geo->minWidth, geo->minHeight));
570 return csz;
571 }
572
573 QVariant styleHint(QLatin1StringView sh) const { return styleHints.value(sh); }
574
575 void fixupBorder(int);
576
577 // Shouldn't be here
578 void setClip(QPainter *p, const QRect &rect);
579 void unsetClip(QPainter *);
580
581public:
582 int features;
583 QBrush defaultBackground;
584 QFont font; // Be careful using this font directly. Prefer using font.resolve( )
585 bool hasFont;
586
587 QHash<QString, QVariant> styleHints;
588
589 QSharedDataPointer<QStyleSheetPaletteData> pal;
590 QSharedDataPointer<QStyleSheetBoxData> b;
591 QSharedDataPointer<QStyleSheetBackgroundData> bg;
592 QSharedDataPointer<QStyleSheetBorderData> bd;
593 QSharedDataPointer<QStyleSheetOutlineData> ou;
594 QSharedDataPointer<QStyleSheetGeometryData> geo;
595 QSharedDataPointer<QStyleSheetPositionData> p;
596 QSharedDataPointer<QStyleSheetImageData> img;
597 QSharedDataPointer<QStyleSheetImageData> iconPtr;
598
599 int clipset;
600 QPainterPath clipPath;
601};
602Q_DECLARE_TYPEINFO(QRenderRule, Q_RELOCATABLE_TYPE);
603
604///////////////////////////////////////////////////////////////////////////////////////////
605static constexpr std::array<const char*, 90> knownStyleHints = {
606 "activate-on-singleclick",
607 "alignment",
608 "arrow-keys-navigate-into-children",
609 "backward-icon",
610 "button-layout",
611 "cd-icon",
612 "combobox-list-mousetracking",
613 "combobox-popup",
614 "computer-icon",
615 "desktop-icon",
616 "dialog-apply-icon",
617 "dialog-cancel-icon",
618 "dialog-close-icon",
619 "dialog-discard-icon",
620 "dialog-help-icon",
621 "dialog-no-icon",
622 "dialog-ok-icon",
623 "dialog-open-icon",
624 "dialog-reset-icon",
625 "dialog-save-icon",
626 "dialog-yes-icon",
627 "dialogbuttonbox-buttons-have-icons",
628 "directory-closed-icon",
629 "directory-icon",
630 "directory-link-icon",
631 "directory-open-icon",
632 "dither-disable-text",
633 "dockwidget-close-icon",
634 "downarrow-icon",
635 "dvd-icon",
636 "etch-disabled-text",
637 "file-icon",
638 "file-link-icon",
639 "filedialog-backward-icon", // unused
640 "filedialog-contentsview-icon",
641 "filedialog-detailedview-icon",
642 "filedialog-end-icon",
643 "filedialog-infoview-icon",
644 "filedialog-listview-icon",
645 "filedialog-new-directory-icon",
646 "filedialog-parent-directory-icon",
647 "filedialog-start-icon",
648 "floppy-icon",
649 "forward-icon",
650 "gridline-color",
651 "harddisk-icon",
652 "home-icon",
653 "lineedit-clear-button-icon",
654 "icon-size",
655 "leftarrow-icon",
656 "lineedit-password-character",
657 "lineedit-password-mask-delay",
658 "mdi-fill-space-on-maximize",
659 "menu-scrollable",
660 "menubar-altkey-navigation",
661 "menubar-separator",
662 "messagebox-critical-icon",
663 "messagebox-information-icon",
664 "messagebox-question-icon",
665 "messagebox-text-interaction-flags",
666 "messagebox-warning-icon",
667 "mouse-tracking",
668 "network-icon",
669 "opacity",
670 "paint-alternating-row-colors-for-empty-area",
671 "rightarrow-icon",
672 "scrollbar-contextmenu",
673 "scrollbar-leftclick-absolute-position",
674 "scrollbar-middleclick-absolute-position",
675 "scrollbar-roll-between-buttons",
676 "scrollbar-scroll-when-pointer-leaves-control",
677 "scrollview-frame-around-contents",
678 "show-decoration-selected",
679 "spinbox-click-autorepeat-rate",
680 "spincontrol-disable-on-bounds",
681 "tabbar-elide-mode",
682 "tabbar-prefer-no-arrows",
683 "titlebar-close-icon",
684 "titlebar-contexthelp-icon",
685 "titlebar-maximize-icon",
686 "titlebar-menu-icon",
687 "titlebar-minimize-icon",
688 "titlebar-normal-icon",
689 "titlebar-shade-icon",
690 "titlebar-show-tooltips-on-buttons",
691 "titlebar-unshade-icon",
692 "toolbutton-popup-delay",
693 "trash-icon",
694 "uparrow-icon",
695 "widget-animation-duration"
696};
697
698static QList<QVariant> subControlLayout(QByteArrayView layout)
699{
700 QList<QVariant> buttons;
701 for (int button : layout) {
702 switch (button) {
703 case 'm':
704 buttons.append(PseudoElement_MdiMinButton);
705 buttons.append(PseudoElement_TitleBarMinButton);
706 break;
707 case 'M':
708 buttons.append(PseudoElement_TitleBarMaxButton);
709 break;
710 case 'X':
711 buttons.append(PseudoElement_MdiCloseButton);
712 buttons.append(PseudoElement_TitleBarCloseButton);
713 break;
714 case 'N':
715 buttons.append(PseudoElement_MdiNormalButton);
716 buttons.append(PseudoElement_TitleBarNormalButton);
717 break;
718 case 'I':
719 buttons.append(PseudoElement_TitleBarSysMenu);
720 break;
721 case 'T':
722 buttons.append(PseudoElement_TitleBar);
723 break;
724 case 'H':
725 buttons.append(PseudoElement_TitleBarContextHelpButton);
726 break;
727 case 'S':
728 buttons.append(PseudoElement_TitleBarShadeButton);
729 break;
730 default:
731 buttons.append(button);
732 break;
733 }
734 }
735 return buttons;
736}
737
738namespace {
739 struct ButtonInfo {
740 QRenderRule rule;
741 int element;
742 int offset;
743 int where;
744 int width;
745 };
746}
747template <> class QTypeInfo<ButtonInfo> : public QTypeInfoMerger<ButtonInfo, QRenderRule, int> {};
748
749QHash<QStyle::SubControl, QRect> QStyleSheetStyle::titleBarLayout(const QWidget *w, const QStyleOptionTitleBar *tb) const
750{
751 QHash<QStyle::SubControl, QRect> layoutRects;
752 const bool isMinimized = tb->titleBarState & Qt::WindowMinimized;
753 const bool isMaximized = tb->titleBarState & Qt::WindowMaximized;
754 QRenderRule subRule = renderRule(w, tb);
755 QRect cr = subRule.contentsRect(tb->rect);
756 QList<QVariant> layout = subRule.styleHint("button-layout"_L1).toList();
757 if (layout.isEmpty())
758 layout = subControlLayout("I(T)HSmMX"_L1);
759
760 int offsets[3] = { 0, 0, 0 };
761 enum Where { Left, Right, Center, NoWhere } where = Left;
762 QList<ButtonInfo> infos;
763 infos.reserve(layout.size());
764 for (const QVariant &val : std::as_const(layout)) {
765 const int element = val.toInt();
766 if (element == '(') {
767 where = Center;
768 } else if (element == ')') {
769 where = Right;
770 } else {
771 ButtonInfo info;
772 info.element = element;
773 switch (element) {
774 case PseudoElement_TitleBar:
775 if (!(tb->titleBarFlags & (Qt::WindowTitleHint | Qt::WindowSystemMenuHint)))
776 continue;
777 break;
778 case PseudoElement_TitleBarContextHelpButton:
779 if (!(tb->titleBarFlags & Qt::WindowContextHelpButtonHint))
780 continue;
781 break;
782 case PseudoElement_TitleBarMinButton:
783 if (!(tb->titleBarFlags & Qt::WindowMinimizeButtonHint))
784 continue;
785 if (isMinimized)
786 info.element = PseudoElement_TitleBarNormalButton;
787 break;
788 case PseudoElement_TitleBarMaxButton:
789 if (!(tb->titleBarFlags & Qt::WindowMaximizeButtonHint))
790 continue;
791 if (isMaximized)
792 info.element = PseudoElement_TitleBarNormalButton;
793 break;
794 case PseudoElement_TitleBarShadeButton:
795 if (!(tb->titleBarFlags & Qt::WindowShadeButtonHint))
796 continue;
797 if (isMinimized)
798 info.element = PseudoElement_TitleBarUnshadeButton;
799 break;
800 case PseudoElement_TitleBarCloseButton:
801 case PseudoElement_TitleBarSysMenu:
802 if (!(tb->titleBarFlags & Qt::WindowSystemMenuHint))
803 continue;
804 break;
805 default:
806 continue;
807 }
808 if (info.element == PseudoElement_TitleBar) {
809 info.width = tb->fontMetrics.horizontalAdvance(tb->text) + 6;
810 subRule.geo = new QStyleSheetGeometryData(info.width, tb->fontMetrics.height(), -1, -1, -1, -1);
811 } else {
812 subRule = renderRule(w, tb, info.element);
813 info.width = subRule.size().width();
814 }
815 info.rule = subRule;
816 info.offset = offsets[where];
817 info.where = where;
818 offsets[where] += info.width;
819
820 infos.append(std::move(info));
821 }
822 }
823
824 for (const ButtonInfo &info : std::as_const(infos)) {
825 QRect lr = cr;
826 switch (info.where) {
827 case Center: {
828 lr.setLeft(cr.left() + offsets[Left]);
829 lr.setRight(cr.right() - offsets[Right]);
830 QRect r(0, 0, offsets[Center], lr.height());
831 r.moveCenter(lr.center());
832 r.setLeft(r.left()+info.offset);
833 r.setWidth(info.width);
834 lr = r;
835 break; }
836 case Left:
837 lr.translate(info.offset, 0);
838 lr.setWidth(info.width);
839 break;
840 case Right:
841 lr.moveLeft(cr.right() + 1 - offsets[Right] + info.offset);
842 lr.setWidth(info.width);
843 break;
844 default:
845 break;
846 }
847 QStyle::SubControl control = knownPseudoElements[info.element].subControl;
848 layoutRects[control] = positionRect(w, info.rule, info.element, lr, tb->direction);
849 }
850
851 return layoutRects;
852}
853
854static QStyle::StandardPixmap subControlIcon(int pe)
855{
856 switch (pe) {
857 case PseudoElement_MdiCloseButton: return QStyle::SP_TitleBarCloseButton;
858 case PseudoElement_MdiMinButton: return QStyle::SP_TitleBarMinButton;
859 case PseudoElement_MdiNormalButton: return QStyle::SP_TitleBarNormalButton;
860 case PseudoElement_TitleBarCloseButton: return QStyle::SP_TitleBarCloseButton;
861 case PseudoElement_TitleBarMinButton: return QStyle::SP_TitleBarMinButton;
862 case PseudoElement_TitleBarMaxButton: return QStyle::SP_TitleBarMaxButton;
863 case PseudoElement_TitleBarShadeButton: return QStyle::SP_TitleBarShadeButton;
864 case PseudoElement_TitleBarUnshadeButton: return QStyle::SP_TitleBarUnshadeButton;
865 case PseudoElement_TitleBarNormalButton: return QStyle::SP_TitleBarNormalButton;
866 case PseudoElement_TitleBarContextHelpButton: return QStyle::SP_TitleBarContextHelpButton;
867 default: break;
868 }
869 return QStyle::SP_CustomBase;
870}
871
872QRenderRule::QRenderRule(const QList<Declaration> &declarations, const QObject *object)
873 : features(0),
874 hasFont(false),
875 pal(nullptr),
876 b(nullptr),
877 bg(nullptr),
878 bd(nullptr),
879 ou(nullptr),
880 geo(nullptr),
881 p(nullptr),
882 img(nullptr),
883 clipset(0)
884{
885 QPalette palette = QGuiApplication::palette(); // ###: ideally widget's palette
886 ValueExtractor v(declarations, palette);
887 features = v.extractStyleFeatures();
888
889 int w = -1, h = -1, minw = -1, minh = -1, maxw = -1, maxh = -1;
890 if (v.extractGeometry(&w, &h, &minw, &minh, &maxw, &maxh))
891 geo = new QStyleSheetGeometryData(w, h, minw, minh, maxw, maxh);
892
893 int left = 0, top = 0, right = 0, bottom = 0;
894 Origin origin = Origin_Unknown;
895 Qt::Alignment position;
896 QCss::PositionMode mode = PositionMode_Unknown;
897 Qt::Alignment textAlignment;
898 if (v.extractPosition(&left, &top, &right, &bottom, &origin, &position, &mode, &textAlignment))
899 p = new QStyleSheetPositionData(left, top, right, bottom, origin, position, mode, textAlignment);
900
901 b = new QStyleSheetBoxData;
902 if (!v.extractBox(b->margins.data(), b->paddings.data(), &b->spacing))
903 b = nullptr;
904
905 bd = new QStyleSheetBorderData;
906 if (!v.extractBorder(bd->borders.data(), bd->colors.data(), bd->styles.data(), bd->radii.data()))
907 bd = nullptr;
908
909 ou = new QStyleSheetOutlineData;
910 if (!v.extractOutline(ou->borders.data(), ou->colors.data(), ou->styles.data(), ou->radii.data(), ou->offsets.data()))
911 ou = nullptr;
912
913 QBrush brush;
914 QString uri;
915 Repeat repeat = Repeat_XY;
916 Qt::Alignment alignment = Qt::AlignTop | Qt::AlignLeft;
917 Attachment attachment = Attachment_Scroll;
918 origin = Origin_Padding;
919 Origin clip = Origin_Border;
920 if (v.extractBackground(&brush, &uri, &repeat, &alignment, &origin, &attachment, &clip)) {
921 QPixmap pixmap = QStyleSheetStyle::loadPixmap(uri, object);
922 if (!uri.isEmpty() && pixmap.isNull())
923 qWarning("Could not create pixmap from %s", qPrintable(QDir::toNativeSeparators(uri)));
924 bg = new QStyleSheetBackgroundData(brush, pixmap, repeat, alignment, origin, attachment, clip);
925 }
926
927 QBrush foreground;
928 QBrush selectedForeground;
929 QBrush selectedBackground;
930 QBrush alternateBackground;
931 QBrush placeHolderTextForeground;
932 QBrush accent;
933 if (v.extractPalette(&foreground, &selectedForeground, &selectedBackground,
934 &alternateBackground, &placeHolderTextForeground, &accent)) {
935 pal = new QStyleSheetPaletteData(foreground, selectedForeground, selectedBackground,
936 alternateBackground, placeHolderTextForeground, accent);
937 }
938
939 QIcon imgIcon;
940 alignment = Qt::AlignCenter;
941 QSize imgSize;
942 if (v.extractImage(&imgIcon, &alignment, &imgSize))
943 img = new QStyleSheetImageData(imgIcon, alignment, imgSize);
944
945 QIcon icon;
946 QSize size;
947 if (v.extractIcon(&icon, &size))
948 iconPtr = new QStyleSheetImageData(icon, Qt::AlignCenter, size);
949
950 int adj = -255;
951 hasFont = v.extractFont(&font, &adj);
952
953#if QT_CONFIG(tooltip)
954 if (qobject_cast<const QTipLabel *>(object) != nullptr)
955 palette = QToolTip::palette();
956#endif
957
958 for (const Declaration &decl : declarations) {
959 if (decl.d->propertyId == BorderImage) {
960 QString uri;
961 QCss::TileMode horizStretch, vertStretch;
962 std::array<int, 4> cuts;
963
964 decl.borderImageValue(&uri, cuts.data(), &horizStretch, &vertStretch);
965 if (uri.isEmpty() || uri == "none"_L1) {
966 if (bd && bd->bi)
967 bd->bi->pixmap = QPixmap();
968 } else {
969 if (!bd)
970 bd = new QStyleSheetBorderData;
971 if (!bd->bi)
972 bd->bi = new QStyleSheetBorderImageData;
973
974 QStyleSheetBorderImageData *bi = bd->bi;
975 bi->pixmap = QStyleSheetStyle::loadPixmap(uri, object);
976 bi->cuts = cuts;
977 bi->horizStretch = horizStretch;
978 bi->vertStretch = vertStretch;
979 }
980 } else if (decl.d->propertyId == QtBackgroundRole) {
981 if (bg && bg->brush.style() != Qt::NoBrush)
982 continue;
983 int role = decl.d->values.at(0).variant.toInt();
984 if (role >= Value_FirstColorRole && role <= Value_LastColorRole)
985 defaultBackground = palette.color((QPalette::ColorRole)(role-Value_FirstColorRole));
986 } else if (decl.d->property.startsWith("qproperty-"_L1, Qt::CaseInsensitive)) {
987 // intentionally left blank...
988 } else if (decl.d->propertyId == UnknownProperty) {
989 bool knownStyleHint = false;
990 for (const auto sh : knownStyleHints) {
991 QLatin1StringView styleHint(sh);
992 if (decl.d->property == styleHint) {
993 QVariant hintValue;
994 if (styleHint.endsWith("alignment"_L1)) {
995 hintValue = (int) decl.alignmentValue();
996 } else if (styleHint.endsWith("color"_L1)) {
997 hintValue = (int) decl.colorValue().rgba();
998 } else if (styleHint.endsWith("size"_L1)) {
999 // Check only for the 'em' case
1000 const QString valueString = decl.d->values.at(0).variant.toString();
1001 const bool isEmSize = valueString.endsWith(u"em", Qt::CaseInsensitive);
1002 if (isEmSize || valueString.endsWith(u"ex", Qt::CaseInsensitive)) {
1003 // 1em == size of font; 1ex == xHeight of font
1004 // See lengthValueFromData helper in qcssparser.cpp
1005 QFont fontForSize(font);
1006 // if no font is specified, then use the widget font if possible
1007 if (const QWidget *widget; !hasFont && (widget = qobject_cast<const QWidget*>(object)))
1008 fontForSize = widget->font();
1009
1010 const QFontMetrics fontMetrics(fontForSize);
1011 qreal pixelSize = isEmSize ? fontMetrics.height() : fontMetrics.xHeight();
1012
1013 // Transform size according to the 'em'/'ex' value
1014 qreal emexSize = {};
1015 if (decl.realValue(&emexSize, isEmSize ? "em" : "ex") && emexSize > 0) {
1016 pixelSize *= emexSize;
1017 const QSizeF newSize(pixelSize, pixelSize);
1018 decl.d->parsed = QVariant::fromValue<QSizeF>(newSize);
1019 hintValue = newSize;
1020 } else {
1021 qWarning("Invalid '%s' size for %s. Skipping.",
1022 isEmSize ? "em" : "ex", qPrintable(valueString));
1023 }
1024 } else {
1025 // Normal case where we receive a 'px' or 'pt' unit
1026 hintValue = decl.sizeValue();
1027 }
1028 } else if (styleHint.endsWith("icon"_L1)) {
1029 hintValue = decl.iconValue();
1030 } else if (styleHint == "button-layout"_L1 && decl.d->values.size() != 0
1031 && decl.d->values.at(0).type == QCss::Value::String) {
1032 hintValue = subControlLayout(decl.d->values.at(0).variant.toString().toLatin1());
1033 } else {
1034 int integer;
1035 decl.intValue(&integer);
1036 hintValue = integer;
1037 }
1038 styleHints[decl.d->property] = hintValue;
1039 knownStyleHint = true;
1040 break;
1041 }
1042 }
1043 if (!knownStyleHint)
1044 qWarning("Unknown property %s", qPrintable(decl.d->property));
1045 }
1046 }
1047
1048 if (hasBorder()) {
1049 if (const QWidget *widget = qobject_cast<const QWidget *>(object)) {
1050 QStyleSheetStyle *style = const_cast<QStyleSheetStyle *>(globalStyleSheetStyle);
1051 if (!style)
1052 style = qt_styleSheet(widget->style());
1053 if (style)
1054 fixupBorder(style->nativeFrameWidth(widget));
1055 }
1056 if (border()->hasBorderImage())
1057 defaultBackground = QBrush();
1058 }
1059}
1060
1061QRect QRenderRule::borderRect(const QRect& r) const
1062{
1063 if (!hasBox())
1064 return r;
1065 const auto &m = box()->margins;
1066 return r.adjusted(m[LeftEdge], m[TopEdge], -m[RightEdge], -m[BottomEdge]);
1067}
1068
1069QRect QRenderRule::outlineRect(const QRect& r) const
1070{
1071 QRect br = borderRect(r);
1072 if (!hasOutline())
1073 return br;
1074 const auto &b = outline()->borders;
1075 return r.adjusted(b[LeftEdge], b[TopEdge], -b[RightEdge], -b[BottomEdge]);
1076}
1077
1078QRect QRenderRule::paddingRect(const QRect& r) const
1079{
1080 QRect br = borderRect(r);
1081 if (!hasBorder())
1082 return br;
1083 const auto &b = border()->borders;
1084 return br.adjusted(b[LeftEdge], b[TopEdge], -b[RightEdge], -b[BottomEdge]);
1085}
1086
1087QRect QRenderRule::contentsRect(const QRect& r) const
1088{
1089 QRect pr = paddingRect(r);
1090 if (!hasBox())
1091 return pr;
1092 const auto &p = box()->paddings;
1093 return pr.adjusted(p[LeftEdge], p[TopEdge], -p[RightEdge], -p[BottomEdge]);
1094}
1095
1096QRect QRenderRule::boxRect(const QRect& cr, int flags) const
1097{
1098 QRect r = cr;
1099 if (hasBox()) {
1100 if (flags & Margin) {
1101 const auto &m = box()->margins;
1102 r.adjust(-m[LeftEdge], -m[TopEdge], m[RightEdge], m[BottomEdge]);
1103 }
1104 if (flags & Padding) {
1105 const auto &p = box()->paddings;
1106 r.adjust(-p[LeftEdge], -p[TopEdge], p[RightEdge], p[BottomEdge]);
1107 }
1108 }
1109 if (hasBorder() && (flags & Border)) {
1110 const auto &b = border()->borders;
1111 r.adjust(-b[LeftEdge], -b[TopEdge], b[RightEdge], b[BottomEdge]);
1112 }
1113 return r;
1114}
1115
1116QSize QRenderRule::boxSize(const QSize &cs, int flags) const
1117{
1118 QSize bs = boxRect(QRect(QPoint(0, 0), cs), flags).size();
1119 if (cs.width() < 0) bs.setWidth(-1);
1120 if (cs.height() < 0) bs.setHeight(-1);
1121 return bs;
1122}
1123
1124void QRenderRule::fixupBorder(int nativeWidth)
1125{
1126 if (bd == nullptr)
1127 return;
1128
1129 if (!bd->hasBorderImage() || bd->bi->pixmap.isNull()) {
1130 bd->bi = nullptr;
1131 // ignore the color, border of edges that have none border-style
1132 QBrush color = pal ? pal->foreground : QBrush();
1133 const bool hasRadius = bd->radii[0].isValid() || bd->radii[1].isValid()
1134 || bd->radii[2].isValid() || bd->radii[3].isValid();
1135 for (int i = 0; i < 4; i++) {
1136 if ((bd->styles[i] == BorderStyle_Native) && hasRadius)
1137 bd->styles[i] = BorderStyle_None;
1138
1139 switch (bd->styles[i]) {
1140 case BorderStyle_None:
1141 // border-style: none forces width to be 0
1142 bd->colors[i] = QBrush();
1143 bd->borders[i] = 0;
1144 break;
1145 case BorderStyle_Native:
1146 if (bd->borders[i] == 0)
1147 bd->borders[i] = nativeWidth;
1148 Q_FALLTHROUGH();
1149 default:
1150 if (bd->colors[i].style() == Qt::NoBrush) // auto-acquire 'color'
1151 bd->colors[i] = color;
1152 break;
1153 }
1154 }
1155
1156 return;
1157 }
1158
1159 // inspect the border image
1160 QStyleSheetBorderImageData *bi = bd->bi;
1161 if (bi->cuts[0] == -1) {
1162 for (int i = 0; i < 4; i++) // assume, cut = border
1163 bi->cuts[i] = int(border()->borders[i]);
1164 }
1165}
1166
1167void QRenderRule::drawBorderImage(QPainter *p, const QRect& rect)
1168{
1169 setClip(p, rect);
1170 static const Qt::TileRule tileMode2TileRule[] = {
1171 Qt::StretchTile, Qt::RoundTile, Qt::StretchTile, Qt::RepeatTile, Qt::StretchTile };
1172
1173 const QStyleSheetBorderImageData *borderImageData = border()->borderImage();
1174 const auto &targetBorders = border()->borders;
1175 const auto sourceBorders = borderImageData->cuts;
1176 QMargins sourceMargins(sourceBorders[LeftEdge], sourceBorders[TopEdge],
1177 sourceBorders[RightEdge], sourceBorders[BottomEdge]);
1178 QMargins targetMargins(targetBorders[LeftEdge], targetBorders[TopEdge],
1179 targetBorders[RightEdge], targetBorders[BottomEdge]);
1180
1181 bool wasSmoothPixmapTransform = p->renderHints() & QPainter::SmoothPixmapTransform;
1182 p->setRenderHint(QPainter::SmoothPixmapTransform);
1183 qDrawBorderPixmap(p, rect, targetMargins, borderImageData->pixmap,
1184 QRect(QPoint(), borderImageData->pixmap.size()), sourceMargins,
1185 QTileRules(tileMode2TileRule[borderImageData->horizStretch], tileMode2TileRule[borderImageData->vertStretch]));
1186 p->setRenderHint(QPainter::SmoothPixmapTransform, wasSmoothPixmapTransform);
1187 unsetClip(p);
1188}
1189
1190QRect QRenderRule::originRect(const QRect &rect, Origin origin) const
1191{
1192 switch (origin) {
1193 case Origin_Padding:
1194 return paddingRect(rect);
1195 case Origin_Border:
1196 return borderRect(rect);
1197 case Origin_Content:
1198 return contentsRect(rect);
1199 case Origin_Margin:
1200 default:
1201 return rect;
1202 }
1203}
1204
1205void QRenderRule::drawBackgroundImage(QPainter *p, const QRect &rect, QPoint off)
1206{
1207 if (!hasBackground())
1208 return;
1209
1210 const QPixmap& bgp = background()->pixmap;
1211 if (bgp.isNull())
1212 return;
1213
1214 setClip(p, borderRect(rect));
1215
1216 if (background()->origin != background()->clip) {
1217 p->save();
1218 p->setClipRect(originRect(rect, background()->clip), Qt::IntersectClip);
1219 }
1220
1221 if (background()->attachment == Attachment_Fixed)
1222 off = QPoint(0, 0);
1223
1224 QSize bgpSize = bgp.size() / bgp.devicePixelRatio();
1225 int bgpHeight = bgpSize.height();
1226 int bgpWidth = bgpSize.width();
1227 QRect r = originRect(rect, background()->origin);
1228 QRect aligned = QStyle::alignedRect(Qt::LeftToRight, background()->position, bgpSize, r);
1229 QRect inter = aligned.translated(-off).intersected(r);
1230
1231 switch (background()->repeat) {
1232 case Repeat_Y:
1233 p->drawTiledPixmap(inter.x(), r.y(), inter.width(), r.height(), bgp,
1234 inter.x() - aligned.x() + off.x(),
1235 bgpHeight - int(aligned.y() - r.y()) % bgpHeight + off.y());
1236 break;
1237 case Repeat_X:
1238 p->drawTiledPixmap(r.x(), inter.y(), r.width(), inter.height(), bgp,
1239 bgpWidth - int(aligned.x() - r.x())%bgpWidth + off.x(),
1240 inter.y() - aligned.y() + off.y());
1241 break;
1242 case Repeat_XY:
1243 p->drawTiledPixmap(r, bgp,
1244 QPoint(bgpWidth - int(aligned.x() - r.x())% bgpWidth + off.x(),
1245 bgpHeight - int(aligned.y() - r.y())%bgpHeight + off.y()));
1246 break;
1247 case Repeat_None:
1248 default:
1249 p->drawPixmap(inter.x(), inter.y(), bgp, inter.x() - aligned.x() + off.x(),
1250 inter.y() - aligned.y() + off.y(), bgp.width() , bgp.height());
1251 break;
1252 }
1253
1254
1255 if (background()->origin != background()->clip)
1256 p->restore();
1257
1258 unsetClip(p);
1259}
1260
1261void QRenderRule::drawOutline(QPainter *p, const QRect &rect)
1262{
1263 if (!hasOutline())
1264 return;
1265
1266 bool wasAntialiased = p->renderHints() & QPainter::Antialiasing;
1267 p->setRenderHint(QPainter::Antialiasing);
1268 qDrawBorder(p, rect, ou->styles.data(), ou->borders.data(), ou->colors.data(), ou->radii.data());
1269 p->setRenderHint(QPainter::Antialiasing, wasAntialiased);
1270}
1271
1272void QRenderRule::drawBorder(QPainter *p, const QRect& rect)
1273{
1274 if (!hasBorder())
1275 return;
1276
1277 if (border()->hasBorderImage()) {
1278 drawBorderImage(p, rect);
1279 return;
1280 }
1281
1282 bool wasAntialiased = p->renderHints() & QPainter::Antialiasing;
1283 p->setRenderHint(QPainter::Antialiasing);
1284 qDrawBorder(p, rect, bd->styles.data(), bd->borders.data(), bd->colors.data(), bd->radii.data());
1285 p->setRenderHint(QPainter::Antialiasing, wasAntialiased);
1286}
1287
1288QPainterPath QRenderRule::borderClip(QRect r)
1289{
1290 if (!hasBorder())
1291 return QPainterPath();
1292
1293 QSize tlr, trr, blr, brr;
1294 qNormalizeRadii(r, bd->radii.data(), &tlr, &trr, &blr, &brr);
1295 if (tlr.isNull() && trr.isNull() && blr.isNull() && brr.isNull())
1296 return QPainterPath();
1297
1298 const QRectF rect(r);
1299 const auto &borders = border()->borders;
1300 QPainterPath path;
1301 qreal curY = rect.y() + borders[TopEdge]/2.0;
1302 path.moveTo(rect.x() + tlr.width(), curY);
1303 path.lineTo(rect.right() - trr.width(), curY);
1304 qreal curX = rect.right() - borders[RightEdge]/2.0;
1305 path.arcTo(curX - 2*trr.width() + borders[RightEdge], curY,
1306 trr.width()*2 - borders[RightEdge], trr.height()*2 - borders[TopEdge], 90, -90);
1307
1308 path.lineTo(curX, rect.bottom() - brr.height());
1309 curY = rect.bottom() - borders[BottomEdge]/2.0;
1310 path.arcTo(curX - 2*brr.width() + borders[RightEdge], curY - 2*brr.height() + borders[BottomEdge],
1311 brr.width()*2 - borders[RightEdge], brr.height()*2 - borders[BottomEdge], 0, -90);
1312
1313 path.lineTo(rect.x() + blr.width(), curY);
1314 curX = rect.left() + borders[LeftEdge]/2.0;
1315 path.arcTo(curX, rect.bottom() - 2*blr.height() + borders[BottomEdge]/2.0,
1316 blr.width()*2 - borders[LeftEdge], blr.height()*2 - borders[BottomEdge], 270, -90);
1317
1318 path.lineTo(curX, rect.top() + tlr.height());
1319 path.arcTo(curX, rect.top() + borders[TopEdge]/2.0,
1320 tlr.width()*2 - borders[LeftEdge], tlr.height()*2 - borders[TopEdge], 180, -90);
1321
1322 path.closeSubpath();
1323 return path;
1324}
1325
1326/*! \internal
1327 Clip the painter to the border (in case we are using radius border)
1328 */
1329void QRenderRule::setClip(QPainter *p, const QRect &rect)
1330{
1331 if (clipset++)
1332 return;
1333 clipPath = borderClip(rect);
1334 if (!clipPath.isEmpty()) {
1335 p->save();
1336 p->setClipPath(clipPath, Qt::IntersectClip);
1337 }
1338}
1339
1340void QRenderRule::unsetClip(QPainter *p)
1341{
1342 if (--clipset)
1343 return;
1344 if (!clipPath.isEmpty())
1345 p->restore();
1346}
1347
1348void QRenderRule::drawBackground(QPainter *p, const QRect& rect, const QPoint& off)
1349{
1350 QBrush brush = hasBackground() ? background()->brush : QBrush();
1351 if (brush.style() == Qt::NoBrush)
1352 brush = defaultBackground;
1353
1354 if (brush.style() != Qt::NoBrush) {
1355 Origin origin = hasBackground() ? background()->clip : Origin_Border;
1356 // ### fix for gradients
1357 const QPainterPath &borderPath = borderClip(originRect(rect, origin));
1358 if (!borderPath.isEmpty()) {
1359 // Drawn instead of being used as clipping path for better visual quality
1360 bool wasAntialiased = p->renderHints() & QPainter::Antialiasing;
1361 p->setRenderHint(QPainter::Antialiasing);
1362 p->fillPath(borderPath, brush);
1363 p->setRenderHint(QPainter::Antialiasing, wasAntialiased);
1364 } else {
1365 p->fillRect(originRect(rect, origin), brush);
1366 }
1367 }
1368
1369 drawBackgroundImage(p, rect, off);
1370}
1371
1372void QRenderRule::drawFrame(QPainter *p, const QRect& rect)
1373{
1374 drawBackground(p, rect);
1375 if (hasBorder())
1376 drawBorder(p, borderRect(rect));
1377}
1378
1379void QRenderRule::drawImage(QPainter *p, const QRect &rect)
1380{
1381 if (!hasImage())
1382 return;
1383 img->icon.paint(p, rect, img->alignment);
1384}
1385
1386void QRenderRule::drawRule(QPainter *p, const QRect& rect)
1387{
1388 drawFrame(p, rect);
1389 drawImage(p, contentsRect(rect));
1390}
1391
1392// *shudder* , *horror*, *whoa* <-- what you might feel when you see the functions below
1393void QRenderRule::configurePalette(QPalette *p, QPalette::ColorRole fr, QPalette::ColorRole br)
1394{
1395 if (bg && bg->brush.style() != Qt::NoBrush) {
1396 if (br != QPalette::NoRole)
1397 p->setBrush(br, bg->brush);
1398 p->setBrush(QPalette::Window, bg->brush);
1399 if (bg->brush.style() == Qt::SolidPattern) {
1400 p->setBrush(QPalette::Light, bg->brush.color().lighter(115));
1401 p->setBrush(QPalette::Midlight, bg->brush.color().lighter(107));
1402 p->setBrush(QPalette::Dark, bg->brush.color().darker(150));
1403 p->setBrush(QPalette::Shadow, bg->brush.color().darker(300));
1404 }
1405 }
1406
1407 if (!hasPalette())
1408 return;
1409
1410 if (pal->foreground.style() != Qt::NoBrush) {
1411 if (fr != QPalette::NoRole)
1412 p->setBrush(fr, pal->foreground);
1413 p->setBrush(QPalette::WindowText, pal->foreground);
1414 p->setBrush(QPalette::Text, pal->foreground);
1415 }
1416 if (pal->selectionBackground.style() != Qt::NoBrush)
1417 p->setBrush(QPalette::Highlight, pal->selectionBackground);
1418 if (pal->selectionForeground.style() != Qt::NoBrush)
1419 p->setBrush(QPalette::HighlightedText, pal->selectionForeground);
1420 if (pal->alternateBackground.style() != Qt::NoBrush)
1421 p->setBrush(QPalette::AlternateBase, pal->alternateBackground);
1422}
1423
1424void setDefault(QPalette *palette, QPalette::ColorGroup group, QPalette::ColorRole role,
1425 const QBrush &defaultBrush, const QWidget *widget)
1426{
1427 const QPalette &widgetPalette = widget->palette();
1428 if (defaultBrush != Qt::NoBrush)
1429 palette->setBrush(group, role, defaultBrush);
1430 else
1431 palette->setBrush(group, role, widgetPalette.brush(group, role));
1432}
1433
1434void QRenderRule::configurePalette(QPalette *p, QPalette::ColorGroup cg, const QWidget *w, bool embedded)
1435{
1436 if (bg && bg->brush.style() != Qt::NoBrush) {
1437 p->setBrush(cg, QPalette::Base, bg->brush); // for windows, windowxp
1438 p->setBrush(cg, QPalette::Button, bg->brush); // for plastique
1439 p->setBrush(cg, w->backgroundRole(), bg->brush);
1440 p->setBrush(cg, QPalette::Window, bg->brush);
1441 }
1442
1443 if (embedded) {
1444 /* For embedded widgets (ComboBox, SpinBox and ScrollArea) we want the embedded widget
1445 * to be transparent when we have a transparent background or border image */
1446 if ((hasBackground() && background()->isTransparent())
1447 || (hasBorder() && border()->hasBorderImage() && !border()->borderImage()->pixmap.isNull()))
1448 p->setBrush(cg, w->backgroundRole(), Qt::NoBrush);
1449 }
1450
1451 if (!hasPalette())
1452 return;
1453
1454 if (pal->foreground.style() != Qt::NoBrush) {
1455 setDefault(p, cg, QPalette::ButtonText, pal->foreground, w);
1456 setDefault(p, cg, w->foregroundRole(), pal->foreground, w);
1457 setDefault(p, cg, QPalette::WindowText, pal->foreground, w);
1458 setDefault(p, cg, QPalette::Text, pal->foreground, w);
1459 QColor phColor(pal->foreground.color());
1460 phColor.setAlpha((phColor.alpha() + 1) / 2);
1461 QBrush placeholder = pal->foreground;
1462 placeholder.setColor(phColor);
1463 setDefault(p, cg, QPalette::PlaceholderText, placeholder, w);
1464 }
1465 if (pal->selectionBackground.style() != Qt::NoBrush)
1466 p->setBrush(cg, QPalette::Highlight, pal->selectionBackground);
1467 if (pal->selectionForeground.style() != Qt::NoBrush)
1468 p->setBrush(cg, QPalette::HighlightedText, pal->selectionForeground);
1469 if (pal->alternateBackground.style() != Qt::NoBrush)
1470 p->setBrush(cg, QPalette::AlternateBase, pal->alternateBackground);
1471 if (pal->placeholderForeground.style() != Qt::NoBrush)
1472 p->setBrush(cg, QPalette::PlaceholderText, pal->placeholderForeground);
1473 if (pal->accent.style() != Qt::NoBrush)
1474 p->setBrush(cg, QPalette::Accent, pal->accent);
1475}
1476
1477bool QRenderRule::hasModification() const
1478{
1479 return hasPalette() ||
1480 hasBackground() ||
1481 hasGradientBackground() ||
1482 !hasNativeBorder() ||
1483 !hasNativeOutline() ||
1484 hasBox() ||
1485 hasPosition() ||
1486 hasGeometry() ||
1487 hasImage() ||
1488 hasFont ||
1489 !styleHints.isEmpty();
1490}
1491
1492///////////////////////////////////////////////////////////////////////////////
1493// Style rules
1494#define OBJECT_PTR(x) (static_cast<QObject *>(x.ptr))
1495
1496static inline QObject *parentObject(const QObject *obj)
1497{
1498#if QT_CONFIG(tooltip)
1499 if (qobject_cast<const QTipLabel *>(obj) != nullptr) {
1500 QObject *p = qvariant_cast<QObject *>(obj->property("_q_stylesheet_parent"));
1501 if (p)
1502 return p;
1503 }
1504#endif
1505 return obj->parent();
1506}
1507
1508class QStyleSheetStyleSelector : public StyleSelector
1509{
1510public:
1511 QStyleSheetStyleSelector() { }
1512
1513 QStringList nodeNames(NodePtr node) const override
1514 {
1515 if (isNullNode(node))
1516 return QStringList();
1517 const QMetaObject *metaObject = OBJECT_PTR(node)->metaObject();
1518#if QT_CONFIG(tooltip)
1519 if (metaObject == &QTipLabel::staticMetaObject)
1520 return QStringList("QToolTip"_L1);
1521#endif
1522 QStringList result;
1523 do {
1524 result += QString::fromLatin1(metaObject->className()).replace(u':', u'-');
1525 metaObject = metaObject->superClass();
1526 } while (metaObject != nullptr);
1527 return result;
1528 }
1529 QString attributeValue(NodePtr node, const QCss::AttributeSelector& aSelector) const override
1530 {
1531 if (isNullNode(node))
1532 return QString();
1533
1534 const QString &name = aSelector.name;
1535 QHash<QString, QString> &cache = m_attributeCache[OBJECT_PTR(node)];
1536 QHash<QString, QString>::const_iterator cacheIt = cache.constFind(name);
1537 if (cacheIt != cache.constEnd())
1538 return cacheIt.value();
1539
1540 QVariant value;
1541 QString valueStr;
1542 QObject *obj = OBJECT_PTR(node);
1543 const int propertyIndex = obj->metaObject()->indexOfProperty(name.toLatin1());
1544 if (propertyIndex == -1) {
1545 value = obj->property(name.toLatin1()); // might be a dynamic property
1546 if (!value.isValid()) {
1547 if (name == "class"_L1) {
1548 QString className = QString::fromLatin1(obj->metaObject()->className());
1549 if (className.contains(u':'))
1550 className.replace(u':', u'-');
1551 valueStr = className;
1552 } else if (name == "style"_L1) {
1553 QWidget *w = qobject_cast<QWidget *>(obj);
1554 QStyleSheetStyle *proxy = w ? qt_styleSheet(w->style()) : nullptr;
1555 if (proxy)
1556 valueStr = QString::fromLatin1(proxy->baseStyle()->metaObject()->className());
1557 }
1558 }
1559 } else {
1560 const QMetaProperty property = obj->metaObject()->property(propertyIndex);
1561 value = property.read(obj);
1562 // support Qt 5 selector syntax, which required the integer enum value
1563 if (property.isEnumType()) {
1564 bool isNumber;
1565 aSelector.value.toInt(&isNumber);
1566 if (isNumber)
1567 value.convert(QMetaType::fromType<int>());
1568 }
1569 }
1570 if (value.isValid()) {
1571 valueStr = (value.userType() == QMetaType::QStringList
1572 || value.userType() == QMetaType::QVariantList)
1573 ? value.toStringList().join(u' ')
1574 : value.toString();
1575 }
1576 cache[name] = valueStr;
1577 return valueStr;
1578 }
1579 bool nodeNameEquals(NodePtr node, const QString& nodeName) const override
1580 {
1581 if (isNullNode(node))
1582 return false;
1583 const QMetaObject *metaObject = OBJECT_PTR(node)->metaObject();
1584#if QT_CONFIG(tooltip)
1585 if (metaObject == &QTipLabel::staticMetaObject)
1586 return nodeName == "QToolTip"_L1;
1587#endif
1588 do {
1589 const auto *uc = reinterpret_cast<const char16_t *>(nodeName.constData());
1590 const auto *e = uc + nodeName.size();
1591 const uchar *c = (const uchar *)metaObject->className();
1592 while (*c && uc != e && (*uc == *c || (*c == ':' && *uc == '-'))) {
1593 ++uc;
1594 ++c;
1595 }
1596 if (uc == e && !*c)
1597 return true;
1598 metaObject = metaObject->superClass();
1599 } while (metaObject != nullptr);
1600 return false;
1601 }
1602 bool hasAttributes(NodePtr) const override
1603 { return true; }
1604 QStringList nodeIds(NodePtr node) const override
1605 { return isNullNode(node) ? QStringList() : QStringList(OBJECT_PTR(node)->objectName()); }
1606 bool isNullNode(NodePtr node) const override
1607 { return node.ptr == nullptr; }
1608 NodePtr parentNode(NodePtr node) const override
1609 { NodePtr n; n.ptr = isNullNode(node) ? nullptr : parentObject(OBJECT_PTR(node)); return n; }
1610 NodePtr previousSiblingNode(NodePtr) const override
1611 { NodePtr n; n.ptr = nullptr; return n; }
1612 NodePtr duplicateNode(NodePtr node) const override
1613 { return node; }
1614 void freeNode(NodePtr) const override
1615 { }
1616
1617private:
1618 mutable QHash<const QObject *, QHash<QString, QString> > m_attributeCache;
1619};
1620
1621QList<QCss::StyleRule> QStyleSheetStyle::styleRules(const QWidget *w) const
1622{
1623 QHash<const QObject *, QList<StyleRule>>::const_iterator cacheIt =
1624 styleSheetCaches->styleRulesCache.constFind(w);
1625 if (cacheIt != styleSheetCaches->styleRulesCache.constEnd())
1626 return cacheIt.value();
1627
1628 if (!initWidget(w))
1629 return {};
1630
1631 QStyleSheetStyleSelector styleSelector;
1632
1633 StyleSheet defaultSs;
1634 QHash<const void *, StyleSheet>::const_iterator defaultCacheIt = styleSheetCaches->styleSheetCache.constFind(baseStyle());
1635 if (defaultCacheIt == styleSheetCaches->styleSheetCache.constEnd()) {
1636 defaultSs = getDefaultStyleSheet();
1637 QStyle *bs = baseStyle();
1638 styleSheetCaches->styleSheetCache.insert(bs, defaultSs);
1639 QObject::connect(bs, &QStyle::destroyed, styleSheetCaches,
1640 &QStyleSheetStyleCaches::styleDestroyed);
1641 } else {
1642 defaultSs = defaultCacheIt.value();
1643 }
1644 styleSelector.styleSheets += defaultSs;
1645
1646 if (!qApp->styleSheet().isEmpty()) {
1647 StyleSheet appSs;
1648 QHash<const void *, StyleSheet>::const_iterator appCacheIt = styleSheetCaches->styleSheetCache.constFind(qApp);
1649 if (appCacheIt == styleSheetCaches->styleSheetCache.constEnd()) {
1650 QString ss = qApp->styleSheet();
1651 if (ss.startsWith("file:///"_L1))
1652 ss.remove(0, 8);
1653 parser.init(ss, qApp->styleSheet() != ss);
1654 if (Q_UNLIKELY(!parser.parse(&appSs)))
1655 qWarning("Could not parse application stylesheet");
1656 appSs.origin = StyleSheetOrigin_Inline;
1657 appSs.depth = 1;
1658 styleSheetCaches->styleSheetCache.insert(qApp, appSs);
1659 } else {
1660 appSs = appCacheIt.value();
1661 }
1662 styleSelector.styleSheets += appSs;
1663 }
1664
1665 QList<QCss::StyleSheet> objectSs;
1666 for (const QObject *o = w; o; o = parentObject(o)) {
1667 QString styleSheet = o->property("styleSheet").toString();
1668 if (styleSheet.isEmpty())
1669 continue;
1670 StyleSheet ss;
1671 QHash<const void *, StyleSheet>::const_iterator objCacheIt = styleSheetCaches->styleSheetCache.constFind(o);
1672 if (objCacheIt == styleSheetCaches->styleSheetCache.constEnd()) {
1673 parser.init(styleSheet);
1674 if (!parser.parse(&ss)) {
1675 parser.init("* {"_L1 + styleSheet + u'}');
1676 if (Q_UNLIKELY(!parser.parse(&ss)))
1677 qWarning() << "Could not parse stylesheet of object" << o;
1678 }
1679 ss.origin = StyleSheetOrigin_Inline;
1680 styleSheetCaches->styleSheetCache.insert(o, ss);
1681 } else {
1682 ss = objCacheIt.value();
1683 }
1684 objectSs.append(ss);
1685 }
1686
1687 for (int i = 0; i < objectSs.size(); i++)
1688 objectSs[i].depth = objectSs.size() - i + 2;
1689
1690 styleSelector.styleSheets += objectSs;
1691
1692 StyleSelector::NodePtr n;
1693 n.ptr = const_cast<QWidget *>(w);
1694 QList<QCss::StyleRule> rules = styleSelector.styleRulesForNode(n);
1695 styleSheetCaches->styleRulesCache.insert(w, rules);
1696 return rules;
1697}
1698
1699/////////////////////////////////////////////////////////////////////////////////////////
1700// Rendering rules
1701static QList<Declaration> declarations(const QList<StyleRule> &styleRules, QLatin1StringView part,
1702 quint64 pseudoClass = PseudoClass_Unspecified)
1703{
1704 QList<Declaration> decls;
1705 for (const auto &rule : styleRules) {
1706 const Selector &selector = rule.selectors.at(0);
1707 // Rules with pseudo elements don't cascade. This is an intentional
1708 // diversion for CSS
1709 if (part.compare(selector.pseudoElement(), Qt::CaseInsensitive) != 0)
1710 continue;
1711 quint64 negated = 0;
1712 quint64 cssClass = selector.pseudoClass(&negated);
1713 if ((pseudoClass == PseudoClass_Any) || (cssClass == PseudoClass_Unspecified)
1714 || ((((cssClass & pseudoClass) == cssClass)) && ((negated & pseudoClass) == 0)))
1715 decls += rule.declarations;
1716 }
1717 return decls;
1718}
1719
1720int QStyleSheetStyle::nativeFrameWidth(const QWidget *w)
1721{
1722 QStyle *base = baseStyle();
1723
1724#if QT_CONFIG(spinbox)
1725 if (qobject_cast<const QAbstractSpinBox *>(w))
1726 return base->pixelMetric(QStyle::PM_SpinBoxFrameWidth, nullptr, w);
1727#endif
1728
1729#if QT_CONFIG(combobox)
1730 if (qobject_cast<const QComboBox *>(w))
1731 return base->pixelMetric(QStyle::PM_ComboBoxFrameWidth, nullptr, w);
1732#endif
1733
1734#if QT_CONFIG(menu)
1735 if (qobject_cast<const QMenu *>(w))
1736 return base->pixelMetric(QStyle::PM_MenuPanelWidth, nullptr, w);
1737#endif
1738
1739#if QT_CONFIG(menubar)
1740 if (qobject_cast<const QMenuBar *>(w))
1741 return base->pixelMetric(QStyle::PM_MenuBarPanelWidth, nullptr, w);
1742#endif
1743#ifndef QT_NO_FRAME
1744 if (const QFrame *frame = qobject_cast<const QFrame *>(w)) {
1745 if (frame->frameShape() == QFrame::NoFrame)
1746 return 0;
1747 }
1748#endif
1749
1750 if (w->metaObject() == &QTipLabel::staticMetaObject)
1751 return base->pixelMetric(QStyle::PM_ToolTipLabelFrameWidth, nullptr, w);
1752
1753 return base->pixelMetric(QStyle::PM_DefaultFrameWidth, nullptr, w);
1754}
1755
1756static quint64 pseudoClass(QStyle::State state)
1757{
1758 quint64 pc = 0;
1759 if (state & QStyle::State_Enabled) {
1760 pc |= PseudoClass_Enabled;
1761 if (state & QStyle::State_MouseOver)
1762 pc |= PseudoClass_Hover;
1763 } else {
1764 pc |= PseudoClass_Disabled;
1765 }
1766 if (state & QStyle::State_Active)
1767 pc |= PseudoClass_Active;
1768 if (state & QStyle::State_Window)
1769 pc |= PseudoClass_Window;
1770 if (state & QStyle::State_Sunken)
1771 pc |= PseudoClass_Pressed;
1772 if (state & QStyle::State_HasFocus)
1773 pc |= PseudoClass_Focus;
1774 if (state & QStyle::State_On)
1775 pc |= (PseudoClass_On | PseudoClass_Checked);
1776 if (state & QStyle::State_Off)
1777 pc |= (PseudoClass_Off | PseudoClass_Unchecked);
1778 if (state & QStyle::State_NoChange)
1779 pc |= PseudoClass_Indeterminate;
1780 if (state & QStyle::State_Selected)
1781 pc |= PseudoClass_Selected;
1782 if (state & QStyle::State_Horizontal)
1783 pc |= PseudoClass_Horizontal;
1784 else
1785 pc |= PseudoClass_Vertical;
1786 if (state & (QStyle::State_Open | QStyle::State_On | QStyle::State_Sunken))
1787 pc |= PseudoClass_Open;
1788 else
1789 pc |= PseudoClass_Closed;
1790 if (state & QStyle::State_Children)
1791 pc |= PseudoClass_Children;
1792 if (state & QStyle::State_Sibling)
1793 pc |= PseudoClass_Sibling;
1794 if (state & QStyle::State_ReadOnly)
1795 pc |= PseudoClass_ReadOnly;
1796 if (state & QStyle::State_Item)
1797 pc |= PseudoClass_Item;
1798#ifdef QT_KEYPAD_NAVIGATION
1799 if (state & QStyle::State_HasEditFocus)
1800 pc |= PseudoClass_EditFocus;
1801#endif
1802 return pc;
1803}
1804
1805static void qt_check_if_internal_widget(const QWidget **w, int *element)
1806{
1807#if !QT_CONFIG(dockwidget)
1808 Q_UNUSED(w);
1809 Q_UNUSED(element);
1810#else
1811 if (*w && qstrcmp((*w)->metaObject()->className(), "QDockWidgetTitleButton") == 0) {
1812 if ((*w)->objectName() == "qt_dockwidget_closebutton"_L1)
1813 *element = PseudoElement_DockWidgetCloseButton;
1814 else if ((*w)->objectName() == "qt_dockwidget_floatbutton"_L1)
1815 *element = PseudoElement_DockWidgetFloatButton;
1816 *w = (*w)->parentWidget();
1817 }
1818#endif
1819}
1820
1821QRenderRule QStyleSheetStyle::renderRule(const QWidget *w, int element, quint64 state) const
1822{
1823 qt_check_if_internal_widget(&w, &element);
1824 QHash<quint64, QRenderRule> &cache = styleSheetCaches->renderRulesCache[w][element];
1825 QHash<quint64, QRenderRule>::const_iterator cacheIt = cache.constFind(state);
1826 if (cacheIt != cache.constEnd())
1827 return cacheIt.value();
1828
1829 if (!initWidget(w))
1830 return QRenderRule();
1831
1832 quint64 stateMask = 0;
1833 const QList<StyleRule> rules = styleRules(w);
1834 for (const auto &rule : rules) {
1835 const Selector &selector = rule.selectors.at(0);
1836 quint64 negated = 0;
1837 stateMask |= selector.pseudoClass(&negated);
1838 stateMask |= negated;
1839 }
1840
1841 cacheIt = cache.constFind(state & stateMask);
1842 if (cacheIt != cache.constEnd()) {
1843 QRenderRule newRule = cacheIt.value();
1844 cache[state] = newRule;
1845 return newRule;
1846 }
1847
1848
1849 const auto part = QLatin1StringView(knownPseudoElements[element].name);
1850 QList<Declaration> decls = declarations(rules, part, state);
1851 QRenderRule newRule(decls, w);
1852 cache[state] = newRule;
1853 if ((state & stateMask) != state)
1854 cache[state&stateMask] = newRule;
1855 return newRule;
1856}
1857
1858QRenderRule QStyleSheetStyle::renderRule(const QWidget *w, const QStyleOption *opt, int pseudoElement) const
1859{
1860 quint64 extraClass = 0;
1861 QStyle::State state = opt ? opt->state : QStyle::State(QStyle::State_None);
1862
1863 if (const QStyleOptionComplex *complex = qstyleoption_cast<const QStyleOptionComplex *>(opt)) {
1864 if (pseudoElement != PseudoElement_None) {
1865 // if not an active subcontrol, just pass enabled/disabled
1866 QStyle::SubControl subControl = knownPseudoElements[pseudoElement].subControl;
1867
1868 if (!(complex->activeSubControls & subControl))
1869 state &= (QStyle::State_Enabled | QStyle::State_Horizontal | QStyle::State_HasFocus);
1870 }
1871
1872 switch (pseudoElement) {
1873 case PseudoElement_ComboBoxDropDown:
1874 case PseudoElement_ComboBoxArrow:
1875 state |= (complex->state & (QStyle::State_On|QStyle::State_ReadOnly));
1876 break;
1877 case PseudoElement_SpinBoxUpButton:
1878 case PseudoElement_SpinBoxDownButton:
1879 case PseudoElement_SpinBoxUpArrow:
1880 case PseudoElement_SpinBoxDownArrow:
1881#if QT_CONFIG(spinbox)
1882 if (const QStyleOptionSpinBox *sb = qstyleoption_cast<const QStyleOptionSpinBox *>(opt)) {
1883 bool on = false;
1884 bool up = pseudoElement == PseudoElement_SpinBoxUpButton
1885 || pseudoElement == PseudoElement_SpinBoxUpArrow;
1886 if ((sb->stepEnabled & QAbstractSpinBox::StepUpEnabled) && up)
1887 on = true;
1888 else if ((sb->stepEnabled & QAbstractSpinBox::StepDownEnabled) && !up)
1889 on = true;
1890 state |= (on ? QStyle::State_On : QStyle::State_Off);
1891 }
1892#endif // QT_CONFIG(spinbox)
1893 break;
1894 case PseudoElement_GroupBoxTitle:
1895 state |= (complex->state & (QStyle::State_MouseOver | QStyle::State_Sunken));
1896 break;
1897 case PseudoElement_ToolButtonMenu:
1898 case PseudoElement_ToolButtonMenuArrow:
1899 case PseudoElement_ToolButtonMenuIndicator:
1900 state |= complex->state & QStyle::State_MouseOver;
1901 if (complex->state & QStyle::State_Sunken ||
1902 complex->activeSubControls & QStyle::SC_ToolButtonMenu)
1903 state |= QStyle::State_Sunken;
1904 break;
1905 case PseudoElement_SliderGroove:
1906 state |= complex->state & QStyle::State_MouseOver;
1907 break;
1908 default:
1909 break;
1910 }
1911
1912 if (const QStyleOptionComboBox *combo = qstyleoption_cast<const QStyleOptionComboBox *>(opt)) {
1913 // QStyle::State_On is set when the popup is being shown
1914 // Propagate EditField Pressed state
1915 if (pseudoElement == PseudoElement_None
1916 && (complex->activeSubControls & QStyle::SC_ComboBoxEditField)
1917 && (!(state & QStyle::State_MouseOver))) {
1918 state |= QStyle::State_Sunken;
1919 }
1920
1921 if (!combo->frame)
1922 extraClass |= PseudoClass_Frameless;
1923 if (!combo->editable)
1924 extraClass |= PseudoClass_ReadOnly;
1925 else
1926 extraClass |= PseudoClass_Editable;
1927#if QT_CONFIG(spinbox)
1928 } else if (const QStyleOptionSpinBox *spin = qstyleoption_cast<const QStyleOptionSpinBox *>(opt)) {
1929 if (!spin->frame)
1930 extraClass |= PseudoClass_Frameless;
1931#endif // QT_CONFIG(spinbox)
1932 } else if (const QStyleOptionGroupBox *gb = qstyleoption_cast<const QStyleOptionGroupBox *>(opt)) {
1933 if (gb->features & QStyleOptionFrame::Flat)
1934 extraClass |= PseudoClass_Flat;
1935 if (gb->lineWidth == 0)
1936 extraClass |= PseudoClass_Frameless;
1937 } else if (const QStyleOptionTitleBar *tb = qstyleoption_cast<const QStyleOptionTitleBar *>(opt)) {
1938 if (tb->titleBarState & Qt::WindowMinimized) {
1939 extraClass |= PseudoClass_Minimized;
1940 }
1941 else if (tb->titleBarState & Qt::WindowMaximized)
1942 extraClass |= PseudoClass_Maximized;
1943 }
1944 } else {
1945 // handle simple style options
1946 if (const QStyleOptionMenuItem *mi = qstyleoption_cast<const QStyleOptionMenuItem *>(opt)) {
1947 if (mi->menuItemType == QStyleOptionMenuItem::DefaultItem)
1948 extraClass |= PseudoClass_Default;
1949 if (mi->checkType == QStyleOptionMenuItem::Exclusive)
1950 extraClass |= PseudoClass_Exclusive;
1951 else if (mi->checkType == QStyleOptionMenuItem::NonExclusive)
1952 extraClass |= PseudoClass_NonExclusive;
1953 if (mi->checkType != QStyleOptionMenuItem::NotCheckable)
1954 extraClass |= (mi->checked) ? (PseudoClass_On|PseudoClass_Checked)
1955 : (PseudoClass_Off|PseudoClass_Unchecked);
1956 } else if (const QStyleOptionHeader *hdr = qstyleoption_cast<const QStyleOptionHeader *>(opt)) {
1957 if (hdr->position == QStyleOptionHeader::OnlyOneSection)
1958 extraClass |= PseudoClass_OnlyOne;
1959 else if (hdr->position == QStyleOptionHeader::Beginning)
1960 extraClass |= PseudoClass_First;
1961 else if (hdr->position == QStyleOptionHeader::End)
1962 extraClass |= PseudoClass_Last;
1963 else if (hdr->position == QStyleOptionHeader::Middle)
1964 extraClass |= PseudoClass_Middle;
1965
1966 if (hdr->selectedPosition == QStyleOptionHeader::NextAndPreviousAreSelected)
1967 extraClass |= (PseudoClass_NextSelected | PseudoClass_PreviousSelected);
1968 else if (hdr->selectedPosition == QStyleOptionHeader::NextIsSelected)
1969 extraClass |= PseudoClass_NextSelected;
1970 else if (hdr->selectedPosition == QStyleOptionHeader::PreviousIsSelected)
1971 extraClass |= PseudoClass_PreviousSelected;
1972#if QT_CONFIG(tabwidget)
1973 } else if (const QStyleOptionTabWidgetFrame *tab = qstyleoption_cast<const QStyleOptionTabWidgetFrame *>(opt)) {
1974 switch (tab->shape) {
1975 case QTabBar::RoundedNorth:
1976 case QTabBar::TriangularNorth:
1977 extraClass |= PseudoClass_Top;
1978 break;
1979 case QTabBar::RoundedSouth:
1980 case QTabBar::TriangularSouth:
1981 extraClass |= PseudoClass_Bottom;
1982 break;
1983 case QTabBar::RoundedEast:
1984 case QTabBar::TriangularEast:
1985 extraClass |= PseudoClass_Right;
1986 break;
1987 case QTabBar::RoundedWest:
1988 case QTabBar::TriangularWest:
1989 extraClass |= PseudoClass_Left;
1990 break;
1991 default:
1992 break;
1993 }
1994#endif
1995#if QT_CONFIG(tabbar)
1996 } else if (const QStyleOptionTab *tab = qstyleoption_cast<const QStyleOptionTab *>(opt)) {
1997 if (tab->position == QStyleOptionTab::OnlyOneTab)
1998 extraClass |= PseudoClass_OnlyOne;
1999 else if (tab->position == QStyleOptionTab::Beginning)
2000 extraClass |= PseudoClass_First;
2001 else if (tab->position == QStyleOptionTab::End)
2002 extraClass |= PseudoClass_Last;
2003 else if (tab->position == QStyleOptionTab::Middle)
2004 extraClass |= PseudoClass_Middle;
2005
2006 if (tab->selectedPosition == QStyleOptionTab::NextIsSelected)
2007 extraClass |= PseudoClass_NextSelected;
2008 else if (tab->selectedPosition == QStyleOptionTab::PreviousIsSelected)
2009 extraClass |= PseudoClass_PreviousSelected;
2010
2011 switch (tab->shape) {
2012 case QTabBar::RoundedNorth:
2013 case QTabBar::TriangularNorth:
2014 extraClass |= PseudoClass_Top;
2015 break;
2016 case QTabBar::RoundedSouth:
2017 case QTabBar::TriangularSouth:
2018 extraClass |= PseudoClass_Bottom;
2019 break;
2020 case QTabBar::RoundedEast:
2021 case QTabBar::TriangularEast:
2022 extraClass |= PseudoClass_Right;
2023 break;
2024 case QTabBar::RoundedWest:
2025 case QTabBar::TriangularWest:
2026 extraClass |= PseudoClass_Left;
2027 break;
2028 default:
2029 break;
2030 }
2031#endif // QT_CONFIG(tabbar)
2032 } else if (const QStyleOptionButton *btn = qstyleoption_cast<const QStyleOptionButton *>(opt)) {
2033 if (btn->features & QStyleOptionButton::Flat)
2034 extraClass |= PseudoClass_Flat;
2035 if (btn->features & QStyleOptionButton::DefaultButton)
2036 extraClass |= PseudoClass_Default;
2037 } else if (const QStyleOptionFrame *frm = qstyleoption_cast<const QStyleOptionFrame *>(opt)) {
2038 if (frm->lineWidth == 0)
2039 extraClass |= PseudoClass_Frameless;
2040 if (frm->features & QStyleOptionFrame::Flat)
2041 extraClass |= PseudoClass_Flat;
2042 }
2043#if QT_CONFIG(toolbar)
2044 else if (const QStyleOptionToolBar *tb = qstyleoption_cast<const QStyleOptionToolBar *>(opt)) {
2045 if (tb->toolBarArea == Qt::LeftToolBarArea)
2046 extraClass |= PseudoClass_Left;
2047 else if (tb->toolBarArea == Qt::RightToolBarArea)
2048 extraClass |= PseudoClass_Right;
2049 else if (tb->toolBarArea == Qt::TopToolBarArea)
2050 extraClass |= PseudoClass_Top;
2051 else if (tb->toolBarArea == Qt::BottomToolBarArea)
2052 extraClass |= PseudoClass_Bottom;
2053
2054 if (tb->positionWithinLine == QStyleOptionToolBar::Beginning)
2055 extraClass |= PseudoClass_First;
2056 else if (tb->positionWithinLine == QStyleOptionToolBar::Middle)
2057 extraClass |= PseudoClass_Middle;
2058 else if (tb->positionWithinLine == QStyleOptionToolBar::End)
2059 extraClass |= PseudoClass_Last;
2060 else if (tb->positionWithinLine == QStyleOptionToolBar::OnlyOne)
2061 extraClass |= PseudoClass_OnlyOne;
2062 }
2063#endif // QT_CONFIG(toolbar)
2064#if QT_CONFIG(toolbox)
2065 else if (const QStyleOptionToolBox *tb = qstyleoption_cast<const QStyleOptionToolBox *>(opt)) {
2066 if (tb->position == QStyleOptionToolBox::OnlyOneTab)
2067 extraClass |= PseudoClass_OnlyOne;
2068 else if (tb->position == QStyleOptionToolBox::Beginning)
2069 extraClass |= PseudoClass_First;
2070 else if (tb->position == QStyleOptionToolBox::End)
2071 extraClass |= PseudoClass_Last;
2072 else if (tb->position == QStyleOptionToolBox::Middle)
2073 extraClass |= PseudoClass_Middle;
2074
2075 if (tb->selectedPosition == QStyleOptionToolBox::NextIsSelected)
2076 extraClass |= PseudoClass_NextSelected;
2077 else if (tb->selectedPosition == QStyleOptionToolBox::PreviousIsSelected)
2078 extraClass |= PseudoClass_PreviousSelected;
2079 }
2080#endif // QT_CONFIG(toolbox)
2081#if QT_CONFIG(dockwidget)
2082 else if (const QStyleOptionDockWidget *dw = qstyleoption_cast<const QStyleOptionDockWidget *>(opt)) {
2083 if (dw->verticalTitleBar)
2084 extraClass |= PseudoClass_Vertical;
2085 else
2086 extraClass |= PseudoClass_Horizontal;
2087 if (dw->closable)
2088 extraClass |= PseudoClass_Closable;
2089 if (dw->floatable)
2090 extraClass |= PseudoClass_Floatable;
2091 if (dw->movable)
2092 extraClass |= PseudoClass_Movable;
2093 }
2094#endif // QT_CONFIG(dockwidget)
2095#if QT_CONFIG(itemviews)
2096 else if (const QStyleOptionViewItem *vopt = qstyleoption_cast<const QStyleOptionViewItem *>(opt)) {
2097 if (vopt->features & QStyleOptionViewItem::Alternate)
2098 extraClass |= PseudoClass_Alternate;
2099 if (vopt->viewItemPosition == QStyleOptionViewItem::OnlyOne)
2100 extraClass |= PseudoClass_OnlyOne;
2101 else if (vopt->viewItemPosition == QStyleOptionViewItem::Beginning)
2102 extraClass |= PseudoClass_First;
2103 else if (vopt->viewItemPosition == QStyleOptionViewItem::End)
2104 extraClass |= PseudoClass_Last;
2105 else if (vopt->viewItemPosition == QStyleOptionViewItem::Middle)
2106 extraClass |= PseudoClass_Middle;
2107
2108 }
2109#endif
2110#if QT_CONFIG(textedit)
2111 else if (const QPlainTextEdit *edit = qobject_cast<const QPlainTextEdit *>(w))
2112 extraClass |= (edit->isReadOnly() ? PseudoClass_ReadOnly : PseudoClass_Editable);
2113 else if (const QTextEdit *edit = qobject_cast<const QTextEdit *>(w))
2114 extraClass |= (edit->isReadOnly() ? PseudoClass_ReadOnly : PseudoClass_Editable);
2115#endif
2116#if QT_CONFIG(lineedit)
2117 // LineEdit sets Sunken flag to indicate Sunken frame (argh)
2118 if (const QLineEdit *lineEdit = qobject_cast<const QLineEdit *>(w)) {
2119 state &= ~QStyle::State_Sunken;
2120 if (lineEdit->hasFrame()) {
2121 extraClass &= ~PseudoClass_Frameless;
2122 } else {
2123 extraClass |= PseudoClass_Frameless;
2124 }
2125 } else
2126#endif
2127 if (const QFrame *frm = qobject_cast<const QFrame *>(w)) {
2128 if (frm->lineWidth() == 0)
2129 extraClass |= PseudoClass_Frameless;
2130 }
2131 }
2132
2133 return renderRule(w, pseudoElement, pseudoClass(state) | extraClass);
2134}
2135
2136bool QStyleSheetStyle::hasStyleRule(const QWidget *w, int part) const
2137{
2138 QHash<int, bool> &cache = styleSheetCaches->hasStyleRuleCache[w];
2139 QHash<int, bool>::const_iterator cacheIt = cache.constFind(part);
2140 if (cacheIt != cache.constEnd())
2141 return cacheIt.value();
2142
2143 if (!initWidget(w))
2144 return false;
2145
2146 const QList<StyleRule> &rules = styleRules(w);
2147 if (part == PseudoElement_None) {
2148 bool result = w && !rules.isEmpty();
2149 cache[part] = result;
2150 return result;
2151 }
2152
2153 const auto pseudoElement = QLatin1StringView(knownPseudoElements[part].name);
2154 for (const auto &rule : rules) {
2155 const Selector &selector = rule.selectors.at(0);
2156 if (pseudoElement.compare(selector.pseudoElement(), Qt::CaseInsensitive) == 0) {
2157 cache[part] = true;
2158 return true;
2159 }
2160 }
2161
2162 cache[part] = false;
2163 return false;
2164}
2165
2166static Origin defaultOrigin(int pe)
2167{
2168 switch (pe) {
2169 case PseudoElement_ScrollBarAddPage:
2170 case PseudoElement_ScrollBarSubPage:
2171 case PseudoElement_ScrollBarAddLine:
2172 case PseudoElement_ScrollBarSubLine:
2173 case PseudoElement_ScrollBarFirst:
2174 case PseudoElement_ScrollBarLast:
2175 case PseudoElement_GroupBoxTitle:
2176 case PseudoElement_GroupBoxIndicator: // never used
2177 case PseudoElement_ToolButtonMenu:
2178 case PseudoElement_SliderAddPage:
2179 case PseudoElement_SliderSubPage:
2180 return Origin_Border;
2181
2182 case PseudoElement_SpinBoxUpButton:
2183 case PseudoElement_SpinBoxDownButton:
2184 case PseudoElement_PushButtonMenuIndicator:
2185 case PseudoElement_ComboBoxDropDown:
2186 case PseudoElement_ToolButtonMenuIndicator:
2187 case PseudoElement_MenuCheckMark:
2188 case PseudoElement_MenuIcon:
2189 case PseudoElement_MenuRightArrow:
2190 return Origin_Padding;
2191
2192 case PseudoElement_Indicator:
2193 case PseudoElement_ExclusiveIndicator:
2194 case PseudoElement_ComboBoxArrow:
2195 case PseudoElement_ScrollBarSlider:
2196 case PseudoElement_ScrollBarUpArrow:
2197 case PseudoElement_ScrollBarDownArrow:
2198 case PseudoElement_ScrollBarLeftArrow:
2199 case PseudoElement_ScrollBarRightArrow:
2200 case PseudoElement_SpinBoxUpArrow:
2201 case PseudoElement_SpinBoxDownArrow:
2202 case PseudoElement_ToolButtonMenuArrow:
2203 case PseudoElement_HeaderViewUpArrow:
2204 case PseudoElement_HeaderViewDownArrow:
2205 case PseudoElement_SliderGroove:
2206 case PseudoElement_SliderHandle:
2207 return Origin_Content;
2208
2209 default:
2210 return Origin_Margin;
2211 }
2212}
2213
2214static Qt::Alignment defaultPosition(int pe)
2215{
2216 switch (pe) {
2217 case PseudoElement_Indicator:
2218 case PseudoElement_ExclusiveIndicator:
2219 case PseudoElement_MenuCheckMark:
2220 case PseudoElement_MenuIcon:
2221 return Qt::AlignLeft | Qt::AlignVCenter;
2222
2223 case PseudoElement_ScrollBarAddLine:
2224 case PseudoElement_ScrollBarLast:
2225 case PseudoElement_SpinBoxDownButton:
2226 case PseudoElement_PushButtonMenuIndicator:
2227 case PseudoElement_ToolButtonMenuIndicator:
2228 return Qt::AlignRight | Qt::AlignBottom;
2229
2230 case PseudoElement_ScrollBarSubLine:
2231 case PseudoElement_ScrollBarFirst:
2232 case PseudoElement_SpinBoxUpButton:
2233 case PseudoElement_ComboBoxDropDown:
2234 case PseudoElement_ToolButtonMenu:
2235 case PseudoElement_DockWidgetCloseButton:
2236 case PseudoElement_DockWidgetFloatButton:
2237 return Qt::AlignRight | Qt::AlignTop;
2238
2239 case PseudoElement_ScrollBarUpArrow:
2240 case PseudoElement_ScrollBarDownArrow:
2241 case PseudoElement_ScrollBarLeftArrow:
2242 case PseudoElement_ScrollBarRightArrow:
2243 case PseudoElement_SpinBoxUpArrow:
2244 case PseudoElement_SpinBoxDownArrow:
2245 case PseudoElement_ComboBoxArrow:
2246 case PseudoElement_DownArrow:
2247 case PseudoElement_UpArrow:
2248 case PseudoElement_LeftArrow:
2249 case PseudoElement_RightArrow:
2250 case PseudoElement_ToolButtonMenuArrow:
2251 case PseudoElement_SliderGroove:
2252 return Qt::AlignCenter;
2253
2254 case PseudoElement_GroupBoxTitle:
2255 case PseudoElement_GroupBoxIndicator: // never used
2256 return Qt::AlignLeft | Qt::AlignTop;
2257
2258 case PseudoElement_HeaderViewUpArrow:
2259 case PseudoElement_HeaderViewDownArrow:
2260 case PseudoElement_MenuRightArrow:
2261 return Qt::AlignRight | Qt::AlignVCenter;
2262
2263 default:
2264 return { };
2265 }
2266}
2267
2268QSize QStyleSheetStyle::defaultSize(const QWidget *w, QSize sz, const QRect& rect, int pe) const
2269{
2270 QStyle *base = baseStyle();
2271
2272 switch (pe) {
2273 case PseudoElement_Indicator:
2274 case PseudoElement_MenuCheckMark:
2275 if (sz.width() == -1)
2276 sz.setWidth(base->pixelMetric(PM_IndicatorWidth, nullptr, w));
2277 if (sz.height() == -1)
2278 sz.setHeight(base->pixelMetric(PM_IndicatorHeight, nullptr, w));
2279 break;
2280
2281 case PseudoElement_ExclusiveIndicator:
2282 case PseudoElement_GroupBoxIndicator:
2283 if (sz.width() == -1)
2284 sz.setWidth(base->pixelMetric(PM_ExclusiveIndicatorWidth, nullptr, w));
2285 if (sz.height() == -1)
2286 sz.setHeight(base->pixelMetric(PM_ExclusiveIndicatorHeight, nullptr, w));
2287 break;
2288
2289 case PseudoElement_PushButtonMenuIndicator: {
2290 int pm = base->pixelMetric(PM_MenuButtonIndicator, nullptr, w);
2291 if (sz.width() == -1)
2292 sz.setWidth(pm);
2293 if (sz.height() == -1)
2294 sz.setHeight(pm);
2295 }
2296 break;
2297
2298 case PseudoElement_ComboBoxDropDown:
2299 if (sz.width() == -1)
2300 sz.setWidth(16);
2301 break;
2302
2303 case PseudoElement_ComboBoxArrow:
2304 case PseudoElement_DownArrow:
2305 case PseudoElement_UpArrow:
2306 case PseudoElement_LeftArrow:
2307 case PseudoElement_RightArrow:
2308 case PseudoElement_ToolButtonMenuArrow:
2309 case PseudoElement_ToolButtonMenuIndicator:
2310 case PseudoElement_MenuRightArrow:
2311 if (sz.width() == -1)
2312 sz.setWidth(13);
2313 if (sz.height() == -1)
2314 sz.setHeight(13);
2315 break;
2316
2317 case PseudoElement_SpinBoxUpButton:
2318 case PseudoElement_SpinBoxDownButton:
2319 if (sz.width() == -1)
2320 sz.setWidth(16);
2321 if (sz.height() == -1)
2322 sz.setHeight(rect.height()/2);
2323 break;
2324
2325 case PseudoElement_ToolButtonMenu:
2326 if (sz.width() == -1)
2327 sz.setWidth(base->pixelMetric(PM_MenuButtonIndicator, nullptr, w));
2328 break;
2329
2330 case PseudoElement_HeaderViewUpArrow:
2331 case PseudoElement_HeaderViewDownArrow: {
2332 int pm = base->pixelMetric(PM_HeaderMargin, nullptr, w);
2333 if (sz.width() == -1)
2334 sz.setWidth(pm);
2335 if (sz.height() == 1)
2336 sz.setHeight(pm);
2337 break;
2338 }
2339
2340 case PseudoElement_ScrollBarFirst:
2341 case PseudoElement_ScrollBarLast:
2342 case PseudoElement_ScrollBarAddLine:
2343 case PseudoElement_ScrollBarSubLine:
2344 case PseudoElement_ScrollBarSlider: {
2345 int pm = pixelMetric(QStyle::PM_ScrollBarExtent, nullptr, w);
2346 if (sz.width() == -1)
2347 sz.setWidth(pm);
2348 if (sz.height() == -1)
2349 sz.setHeight(pm);
2350 break;
2351 }
2352
2353 case PseudoElement_DockWidgetCloseButton:
2354 case PseudoElement_DockWidgetFloatButton: {
2355 int iconSize = pixelMetric(PM_SmallIconSize, nullptr, w);
2356 return QSize(iconSize, iconSize);
2357 }
2358
2359 default:
2360 break;
2361 }
2362
2363 // expand to rectangle
2364 if (sz.height() == -1)
2365 sz.setHeight(rect.height());
2366 if (sz.width() == -1)
2367 sz.setWidth(rect.width());
2368
2369 return sz;
2370}
2371
2372static PositionMode defaultPositionMode(int pe)
2373{
2374 switch (pe) {
2375 case PseudoElement_ScrollBarFirst:
2376 case PseudoElement_ScrollBarLast:
2377 case PseudoElement_ScrollBarAddLine:
2378 case PseudoElement_ScrollBarSubLine:
2379 case PseudoElement_ScrollBarAddPage:
2380 case PseudoElement_ScrollBarSubPage:
2381 case PseudoElement_ScrollBarSlider:
2382 case PseudoElement_SliderGroove:
2383 case PseudoElement_SliderHandle:
2384 case PseudoElement_TabWidgetPane:
2385 return PositionMode_Absolute;
2386 default:
2387 return PositionMode_Static;
2388 }
2389}
2390
2391QRect QStyleSheetStyle::positionRect(const QWidget *w, const QRenderRule &rule2, int pe,
2392 const QRect &originRect, Qt::LayoutDirection dir) const
2393{
2394 const QStyleSheetPositionData *p = rule2.position();
2395 PositionMode mode = (p && p->mode != PositionMode_Unknown) ? p->mode : defaultPositionMode(pe);
2396 Qt::Alignment position = (p && p->position != 0) ? p->position : defaultPosition(pe);
2397 QRect r;
2398
2399 if (mode != PositionMode_Absolute) {
2400 QSize sz = defaultSize(w, rule2.size(), originRect, pe);
2401 sz = sz.expandedTo(rule2.minimumContentsSize());
2402 r = QStyle::alignedRect(dir, position, sz, originRect);
2403 if (p) {
2404 int left = p->left ? p->left : -p->right;
2405 int top = p->top ? p->top : -p->bottom;
2406 r.translate(dir == Qt::LeftToRight ? left : -left, top);
2407 }
2408 } else {
2409 r = p ? originRect.adjusted(dir == Qt::LeftToRight ? p->left : p->right, p->top,
2410 dir == Qt::LeftToRight ? -p->right : -p->left, -p->bottom)
2411 : originRect;
2412 if (rule2.hasContentsSize()) {
2413 QSize sz = rule2.size().expandedTo(rule2.minimumContentsSize());
2414 if (sz.width() == -1) sz.setWidth(r.width());
2415 if (sz.height() == -1) sz.setHeight(r.height());
2416 r = QStyle::alignedRect(dir, position, sz, r);
2417 }
2418 }
2419 return r;
2420}
2421
2422QRect QStyleSheetStyle::positionRect(const QWidget *w, const QRenderRule& rule1, const QRenderRule& rule2, int pe,
2423 const QRect& rect, Qt::LayoutDirection dir) const
2424{
2425 const QStyleSheetPositionData *p = rule2.position();
2426 Origin origin = (p && p->origin != Origin_Unknown) ? p->origin : defaultOrigin(pe);
2427 QRect originRect = rule1.originRect(rect, origin);
2428 return positionRect(w, rule2, pe, originRect, dir);
2429}
2430
2431
2432/** \internal
2433 For widget that have an embedded widget (such as combobox) return that embedded widget.
2434 otherwise return the widget itself
2435 */
2436static QWidget *embeddedWidget(QWidget *w)
2437{
2438#if QT_CONFIG(combobox)
2439 if (QComboBox *cmb = qobject_cast<QComboBox *>(w)) {
2440 if (cmb->isEditable())
2441 return cmb->lineEdit();
2442 else
2443 return cmb;
2444 }
2445#endif
2446
2447#if QT_CONFIG(spinbox)
2448 if (QAbstractSpinBox *sb = qobject_cast<QAbstractSpinBox *>(w))
2449 return sb->findChild<QLineEdit *>();
2450#endif
2451
2452#if QT_CONFIG(scrollarea)
2453 if (QAbstractScrollArea *sa = qobject_cast<QAbstractScrollArea *>(w))
2454 return sa->viewport();
2455#endif
2456
2457 return w;
2458}
2459
2460/** \internal
2461 Returns the widget whose style rules apply to \a w.
2462
2463 When \a w is an embedded widget, this is the container widget.
2464 For example, if w is a line edit embedded in a combobox, this returns the combobox.
2465 When \a w is not embedded, this function return \a w itself.
2466
2467*/
2468static QWidget *containerWidget(const QWidget *w)
2469{
2470#if QT_CONFIG(lineedit)
2471 if (qobject_cast<const QLineEdit *>(w)) {
2472 //if the QLineEdit is an embeddedWidget, we need the rule of the real widget
2473#if QT_CONFIG(combobox)
2474 if (qobject_cast<const QComboBox *>(w->parentWidget()))
2475 return w->parentWidget();
2476#endif
2477#if QT_CONFIG(spinbox)
2478 if (qobject_cast<const QAbstractSpinBox *>(w->parentWidget()))
2479 return w->parentWidget();
2480#endif
2481 }
2482#endif // QT_CONFIG(lineedit)
2483
2484#if QT_CONFIG(scrollarea)
2485 if (const QAbstractScrollArea *sa = qobject_cast<const QAbstractScrollArea *>(w->parentWidget())) {
2486 if (sa->viewport() == w)
2487 return w->parentWidget();
2488 }
2489#endif
2490
2491 return const_cast<QWidget *>(w);
2492}
2493
2494/** \internal
2495 returns \c true if the widget can NOT be styled directly
2496 */
2497static bool unstylable(const QWidget *w)
2498{
2499 if (!w->styleSheet().isEmpty())
2500 return false;
2501
2502 if (containerWidget(w) != w)
2503 return true;
2504
2505#ifndef QT_NO_FRAME
2506 // detect QComboBoxPrivateContainer
2507 else if (qobject_cast<const QFrame *>(w)) {
2508 if (0
2509#if QT_CONFIG(combobox)
2510 || qobject_cast<const QComboBox *>(w->parentWidget())
2511#endif
2512 )
2513 return true;
2514 }
2515#endif
2516
2517#if QT_CONFIG(tabbar)
2518 if (w->metaObject() == &QWidget::staticMetaObject
2519 && qobject_cast<const QTabBar*>(w->parentWidget()))
2520 return true; // The moving tab of a QTabBar
2521#endif
2522
2523 return false;
2524}
2525
2526static quint64 extendedPseudoClass(const QWidget *w)
2527{
2528 quint64 pc = w->isWindow() ? quint64(PseudoClass_Window) : 0;
2529#if QT_CONFIG(abstractslider)
2530 if (const QAbstractSlider *slider = qobject_cast<const QAbstractSlider *>(w)) {
2531 pc |= ((slider->orientation() == Qt::Vertical) ? PseudoClass_Vertical : PseudoClass_Horizontal);
2532 } else
2533#endif
2534#if QT_CONFIG(combobox)
2535 if (const QComboBox *combo = qobject_cast<const QComboBox *>(w)) {
2536 if (combo->isEditable())
2537 pc |= (combo->isEditable() ? PseudoClass_Editable : PseudoClass_ReadOnly);
2538 } else
2539#endif
2540#if QT_CONFIG(lineedit)
2541 if (const QLineEdit *edit = qobject_cast<const QLineEdit *>(w)) {
2542 pc |= (edit->isReadOnly() ? PseudoClass_ReadOnly : PseudoClass_Editable);
2543 } else
2544#endif
2545#if QT_CONFIG(textedit)
2546 if (const QTextEdit *edit = qobject_cast<const QTextEdit *>(w)) {
2547 pc |= (edit->isReadOnly() ? PseudoClass_ReadOnly : PseudoClass_Editable);
2548 } else
2549 if (const QPlainTextEdit *edit = qobject_cast<const QPlainTextEdit *>(w)) {
2550 pc |= (edit->isReadOnly() ? PseudoClass_ReadOnly : PseudoClass_Editable);
2551 } else
2552#endif
2553 {}
2554 return pc;
2555}
2556
2557// sets up the geometry of the widget. We set a dynamic property when
2558// we modify the min/max size of the widget. The min/max size is restored
2559// to their original value when a new stylesheet that does not contain
2560// the CSS properties is set and when the widget has this dynamic property set.
2561// This way we don't trample on users who had setup a min/max size in code and
2562// don't use stylesheets at all.
2563void QStyleSheetStyle::setGeometry(QWidget *w)
2564{
2565 QRenderRule rule = renderRule(w, PseudoElement_None, PseudoClass_Enabled | extendedPseudoClass(w));
2566 const QStyleSheetGeometryData *geo = rule.geometry();
2567 if (w->property("_q_stylesheet_minw").toBool()
2568 && ((!rule.hasGeometry() || geo->minWidth == -1))) {
2569 w->setMinimumWidth(0);
2570 w->setProperty("_q_stylesheet_minw", QVariant());
2571 }
2572 if (w->property("_q_stylesheet_minh").toBool()
2573 && ((!rule.hasGeometry() || geo->minHeight == -1))) {
2574 w->setMinimumHeight(0);
2575 w->setProperty("_q_stylesheet_minh", QVariant());
2576 }
2577 if (w->property("_q_stylesheet_maxw").toBool()
2578 && ((!rule.hasGeometry() || geo->maxWidth == -1))) {
2579 w->setMaximumWidth(QWIDGETSIZE_MAX);
2580 w->setProperty("_q_stylesheet_maxw", QVariant());
2581 }
2582 if (w->property("_q_stylesheet_maxh").toBool()
2583 && ((!rule.hasGeometry() || geo->maxHeight == -1))) {
2584 w->setMaximumHeight(QWIDGETSIZE_MAX);
2585 w->setProperty("_q_stylesheet_maxh", QVariant());
2586 }
2587
2588
2589 if (rule.hasGeometry()) {
2590 if (geo->minWidth != -1) {
2591 w->setProperty("_q_stylesheet_minw", true);
2592 w->setMinimumWidth(rule.boxSize(QSize(qMax(geo->width, geo->minWidth), 0)).width());
2593 }
2594 if (geo->minHeight != -1) {
2595 w->setProperty("_q_stylesheet_minh", true);
2596 w->setMinimumHeight(rule.boxSize(QSize(0, qMax(geo->height, geo->minHeight))).height());
2597 }
2598 if (geo->maxWidth != -1) {
2599 w->setProperty("_q_stylesheet_maxw", true);
2600 w->setMaximumWidth(rule.boxSize(QSize(qMin(geo->width == -1 ? QWIDGETSIZE_MAX : geo->width,
2601 geo->maxWidth == -1 ? QWIDGETSIZE_MAX : geo->maxWidth), 0)).width());
2602 }
2603 if (geo->maxHeight != -1) {
2604 w->setProperty("_q_stylesheet_maxh", true);
2605 w->setMaximumHeight(rule.boxSize(QSize(0, qMin(geo->height == -1 ? QWIDGETSIZE_MAX : geo->height,
2606 geo->maxHeight == -1 ? QWIDGETSIZE_MAX : geo->maxHeight))).height());
2607 }
2608 }
2609}
2610
2611void QStyleSheetStyle::setProperties(QWidget *w)
2612{
2613 // The final occurrence of each property is authoritative.
2614 // Set value for each property in the order of property final occurrence
2615 // since properties interact.
2616
2617 const QList<Declaration> decls = declarations(styleRules(w), {});
2618 QList<int> finals; // indices in reverse order of each property's final occurrence
2619
2620 {
2621 // scan decls for final occurrence of each "qproperty"
2622 QDuplicateTracker<QString> propertySet(decls.size());
2623 for (int i = decls.size() - 1; i >= 0; --i) {
2624 const QString property = decls.at(i).d->property;
2625 if (!property.startsWith("qproperty-"_L1, Qt::CaseInsensitive))
2626 continue;
2627 if (!propertySet.hasSeen(property))
2628 finals.append(i);
2629 }
2630 }
2631
2632 for (int i = finals.size() - 1; i >= 0; --i) {
2633 const Declaration &decl = decls.at(finals[i]);
2634 QStringView property = decl.d->property;
2635 property = property.mid(10); // strip "qproperty-"
2636 const auto propertyL1 = property.toLatin1();
2637
2638 const QMetaObject *metaObject = w->metaObject();
2639 int index = metaObject->indexOfProperty(propertyL1);
2640 if (Q_UNLIKELY(index == -1)) {
2641 qWarning() << w << " does not have a property named " << property;
2642 continue;
2643 }
2644 const QMetaProperty metaProperty = metaObject->property(index);
2645 if (Q_UNLIKELY(!metaProperty.isWritable() || !metaProperty.isDesignable())) {
2646 qWarning() << w << " cannot design property named " << property;
2647 continue;
2648 }
2649
2650 QVariant v;
2651 const QVariant value = w->property(propertyL1);
2652 switch (value.userType()) {
2653 case QMetaType::QIcon: v = decl.iconValue(); break;
2654 case QMetaType::QImage: v = QImage(decl.uriValue()); break;
2655 case QMetaType::QPixmap: v = QPixmap(decl.uriValue()); break;
2656 case QMetaType::QRect: v = decl.rectValue(); break;
2657 case QMetaType::QSize: v = decl.sizeValue(); break;
2658 case QMetaType::QColor: v = decl.colorValue(); break;
2659 case QMetaType::QBrush: v = decl.brushValue(); break;
2660#ifndef QT_NO_SHORTCUT
2661 case QMetaType::QKeySequence: v = QKeySequence(decl.d->values.at(0).variant.toString()); break;
2662#endif
2663 default: v = decl.d->values.at(0).variant; break;
2664 }
2665
2666 if (propertyL1 == QByteArrayView("styleSheet") && value == v)
2667 continue;
2668
2669 w->setProperty(propertyL1, v);
2670 }
2671}
2672
2673void QStyleSheetStyle::setPalette(QWidget *w)
2674{
2675 struct RuleRoleMap {
2676 int state;
2677 QPalette::ColorGroup group;
2678 } map[3] = {
2679 { int(PseudoClass_Active | PseudoClass_Enabled), QPalette::Active },
2680 { PseudoClass_Disabled, QPalette::Disabled },
2681 { PseudoClass_Enabled, QPalette::Inactive }
2682 };
2683
2684 const bool useStyleSheetPropagationInWidgetStyles =
2685 QCoreApplication::testAttribute(Qt::AA_UseStyleSheetPropagationInWidgetStyles);
2686
2687 QPalette p;
2688 if (!useStyleSheetPropagationInWidgetStyles)
2689 p = w->palette();
2690
2691 QWidget *ew = embeddedWidget(w);
2692
2693 for (int i = 0; i < 3; i++) {
2694 QRenderRule rule = renderRule(w, PseudoElement_None, map[i].state | extendedPseudoClass(w));
2695 if (i == 0) {
2696 if (!w->property("_q_styleSheetWidgetFont").isValid()) {
2697 saveWidgetFont(w, w->d_func()->localFont());
2698 }
2699 updateStyleSheetFont(w);
2700 if (ew != w)
2701 updateStyleSheetFont(ew);
2702 }
2703
2704 rule.configurePalette(&p, map[i].group, ew, ew != w);
2705 }
2706
2707 if (!useStyleSheetPropagationInWidgetStyles || p.resolveMask() != 0) {
2708 QPalette wp = w->palette();
2709 styleSheetCaches->customPaletteWidgets.insert(w, {wp, p.resolveMask()});
2710
2711 if (useStyleSheetPropagationInWidgetStyles) {
2712 p = p.resolve(wp);
2713 p.setResolveMask(p.resolveMask() | wp.resolveMask());
2714 }
2715
2716 w->setPalette(p);
2717 if (ew != w)
2718 ew->setPalette(p);
2719 }
2720}
2721
2722void QStyleSheetStyle::unsetPalette(QWidget *w)
2723{
2724 const bool useStyleSheetPropagationInWidgetStyles =
2725 QCoreApplication::testAttribute(Qt::AA_UseStyleSheetPropagationInWidgetStyles);
2726
2727 const auto it = styleSheetCaches->customPaletteWidgets.find(w);
2728 if (it != styleSheetCaches->customPaletteWidgets.end()) {
2729 auto customizedPalette = std::move(*it);
2730 styleSheetCaches->customPaletteWidgets.erase(it);
2731
2732 QPalette original;
2733 if (useStyleSheetPropagationInWidgetStyles)
2734 original = std::move(customizedPalette).reverted(w->palette());
2735 else
2736 original = customizedPalette.oldWidgetValue;
2737
2738 w->setPalette(original);
2739 QWidget *ew = embeddedWidget(w);
2740 if (ew != w)
2741 ew->setPalette(original);
2742 }
2743
2744 QWidget *ew = embeddedWidget(w);
2745 if (useStyleSheetPropagationInWidgetStyles) {
2746 unsetStyleSheetFont(w);
2747 if (ew != w)
2748 unsetStyleSheetFont(ew);
2749 } else {
2750 QVariant oldFont = w->property("_q_styleSheetWidgetFont");
2751 if (oldFont.isValid()) {
2752 const QFont f = qvariant_cast<QFont>(oldFont);
2753 w->setFont(f);
2754 if (ew != w)
2755 ew->setFont(f);
2756 }
2757 }
2758
2759 if (styleSheetCaches->autoFillDisabledWidgets.contains(w)) {
2760 embeddedWidget(w)->setAutoFillBackground(true);
2761 styleSheetCaches->autoFillDisabledWidgets.remove(w);
2762 }
2763}
2764
2765void QStyleSheetStyle::unsetStyleSheetFont(QWidget *w) const
2766{
2767 const auto it = styleSheetCaches->customFontWidgets.find(w);
2768 if (it != styleSheetCaches->customFontWidgets.end()) {
2769 auto customizedFont = std::move(*it);
2770 styleSheetCaches->customFontWidgets.erase(it);
2771 w->setFont(std::move(customizedFont).reverted(w->font()));
2772 }
2773}
2774
2775static void updateObjects(const QList<const QObject *>& objects)
2776{
2777 if (!styleSheetCaches->styleRulesCache.isEmpty() || !styleSheetCaches->hasStyleRuleCache.isEmpty() || !styleSheetCaches->renderRulesCache.isEmpty()) {
2778 for (const QObject *object : objects) {
2779 styleSheetCaches->styleRulesCache.remove(object);
2780 styleSheetCaches->hasStyleRuleCache.remove(object);
2781 styleSheetCaches->renderRulesCache.remove(object);
2782 }
2783 }
2784
2785 QEvent event(QEvent::StyleChange);
2786 for (const QObject *object : objects) {
2787 if (auto widget = qobject_cast<QWidget*>(const_cast<QObject*>(object))) {
2788 widget->style()->polish(widget);
2789 QCoreApplication::sendEvent(widget, &event);
2790 QList<const QObject *> children;
2791 children.reserve(widget->children().size() + 1);
2792 for (auto child: std::as_const(widget->children()))
2793 children.append(child);
2794 updateObjects(children);
2795 }
2796 }
2797}
2798
2799/////////////////////////////////////////////////////////////////////////////////////////
2800// The stylesheet style
2801int QStyleSheetStyle::numinstances = 0;
2802
2803QStyleSheetStyle::QStyleSheetStyle(QStyle *base)
2804 : QWindowsStyle(*new QStyleSheetStylePrivate), base(base), refcount(1)
2805{
2806 ++numinstances;
2807 if (numinstances == 1) {
2808 styleSheetCaches = new QStyleSheetStyleCaches;
2809 }
2810}
2811
2812QStyleSheetStyle::~QStyleSheetStyle()
2813{
2814 --numinstances;
2815 if (numinstances == 0) {
2816 delete styleSheetCaches;
2817 }
2818}
2819QStyle *QStyleSheetStyle::baseStyle() const
2820{
2821 if (base)
2822 return base;
2823 if (QStyleSheetStyle *me = qt_styleSheet(QApplication::style()))
2824 return me->base;
2825 return QApplication::style();
2826}
2827
2828void QStyleSheetStyleCaches::objectDestroyed(QObject *o)
2829{
2830 styleRulesCache.remove(o);
2831 hasStyleRuleCache.remove(o);
2832 renderRulesCache.remove(o);
2833 customPaletteWidgets.remove((const QWidget *)o);
2834 customFontWidgets.remove(static_cast<QWidget *>(o));
2835 styleSheetCache.remove(o);
2836 autoFillDisabledWidgets.remove((const QWidget *)o);
2837}
2838
2839void QStyleSheetStyleCaches::styleDestroyed(QObject *o)
2840{
2841 styleSheetCache.remove(o);
2842}
2843
2844/*!
2845 * Make sure that the cache will be clean by connecting destroyed if needed.
2846 * return false if the widget is not stylable;
2847 */
2848bool QStyleSheetStyle::initWidget(const QWidget *w) const
2849{
2850 if (!w)
2851 return false;
2852 if (w->testAttribute(Qt::WA_StyleSheet))
2853 return true;
2854 if (unstylable(w))
2855 return false;
2856 const_cast<QWidget *>(w)->setAttribute(Qt::WA_StyleSheet, true);
2857
2858 connect(w, &QObject::destroyed,
2859 styleSheetCaches, &QStyleSheetStyleCaches::objectDestroyed,
2860 Qt::UniqueConnection);
2861 return true;
2862}
2863
2864void QStyleSheetStyle::polish(QWidget *w)
2865{
2866 baseStyle()->polish(w);
2867 RECURSION_GUARD(return)
2868
2869 if (!initWidget(w))
2870 return;
2871
2872 if (styleSheetCaches->styleRulesCache.contains(w)) {
2873 // the widget accessed its style pointer before polish (or repolish)
2874 // (example: the QAbstractSpinBox constructor ask for the stylehint)
2875 styleSheetCaches->styleRulesCache.remove(w);
2876 styleSheetCaches->hasStyleRuleCache.remove(w);
2877 styleSheetCaches->renderRulesCache.remove(w);
2878 styleSheetCaches->styleSheetCache.remove(w);
2879 }
2880 setGeometry(w);
2881 setProperties(w);
2882 unsetPalette(w);
2883 setPalette(w);
2884
2885 //set the WA_Hover attribute if one of the selector depends of the hover state
2886 const QList<StyleRule> rules = styleRules(w);
2887 for (const auto &rule : rules) {
2888 const Selector &selector = rule.selectors.at(0);
2889 quint64 negated = 0;
2890 quint64 cssClass = selector.pseudoClass(&negated);
2891 if ( cssClass & PseudoClass_Hover || negated & PseudoClass_Hover) {
2892 w->setAttribute(Qt::WA_Hover);
2893 embeddedWidget(w)->setAttribute(Qt::WA_Hover);
2894 embeddedWidget(w)->setMouseTracking(true);
2895 }
2896 }
2897
2898
2899#if QT_CONFIG(scrollarea)
2900 if (QAbstractScrollArea *sa = qobject_cast<QAbstractScrollArea *>(w)) {
2901 QRenderRule rule = renderRule(sa, PseudoElement_None, PseudoClass_Enabled);
2902 if ((rule.hasBorder() && rule.border()->hasBorderImage())
2903 || (rule.hasBackground() && !rule.background()->pixmap.isNull())) {
2904 connect(sa->horizontalScrollBar(), &QScrollBar::valueChanged,
2905 sa, QOverload<>::of(&QAbstractScrollArea::update), Qt::UniqueConnection);
2906 connect(sa->verticalScrollBar(), &QScrollBar::valueChanged,
2907 sa, QOverload<>::of(&QAbstractScrollArea::update), Qt::UniqueConnection);
2908 }
2909 }
2910#endif
2911
2912 QRenderRule rule = renderRule(w, PseudoElement_None, PseudoClass_Any);
2913
2914 w->setAttribute(Qt::WA_StyleSheetTarget, rule.hasModification());
2915
2916 if (rule.hasDrawable() || rule.hasBox()) {
2917 if (w->metaObject() == &QWidget::staticMetaObject
2918#if QT_CONFIG(itemviews)
2919 || qobject_cast<QHeaderView *>(w)
2920#endif
2921#if QT_CONFIG(tabbar)
2922 || qobject_cast<QTabBar *>(w)
2923#endif
2924#ifndef QT_NO_FRAME
2925 || qobject_cast<QFrame *>(w)
2926#endif
2927#if QT_CONFIG(mainwindow)
2928 || qobject_cast<QMainWindow *>(w)
2929#endif
2930#if QT_CONFIG(mdiarea)
2931 || qobject_cast<QMdiSubWindow *>(w)
2932#endif
2933#if QT_CONFIG(menubar)
2934 || qobject_cast<QMenuBar *>(w)
2935#endif
2936#if QT_CONFIG(dialog)
2937 || qobject_cast<QDialog *>(w)
2938#endif
2939 ) {
2940 w->setAttribute(Qt::WA_StyledBackground, true);
2941 }
2942 QWidget *ew = embeddedWidget(w);
2943 if (ew->autoFillBackground()) {
2944 ew->setAutoFillBackground(false);
2945 styleSheetCaches->autoFillDisabledWidgets.insert(w);
2946 if (ew != w) { //eg. viewport of a scrollarea
2947 //(in order to draw the background anyway in case we don't.)
2948 ew->setAttribute(Qt::WA_StyledBackground, true);
2949 }
2950 }
2951 if (!rule.hasBackground() || rule.background()->isTransparent() || rule.hasBox()
2952 || (!rule.hasNativeBorder() && !rule.border()->isOpaque()))
2953 w->setAttribute(Qt::WA_OpaquePaintEvent, false);
2954 if (rule.hasBox() || !rule.hasNativeBorder()
2955#if QT_CONFIG(pushbutton)
2956 || (qobject_cast<QPushButton *>(w))
2957#endif
2958 )
2959 w->setAttribute(Qt::WA_MacShowFocusRect, false);
2960 }
2961}
2962
2963void QStyleSheetStyle::polish(QApplication *app)
2964{
2965 baseStyle()->polish(app);
2966}
2967
2968void QStyleSheetStyle::polish(QPalette &pal)
2969{
2970 baseStyle()->polish(pal);
2971}
2972
2973void QStyleSheetStyle::repolish(QWidget *w)
2974{
2975 QList<const QObject *> children;
2976 children.reserve(w->children().size() + 1);
2977 for (auto child: std::as_const(w->children()))
2978 children.append(child);
2979 children.append(w);
2980 styleSheetCaches->styleSheetCache.remove(w);
2981 updateObjects(children);
2982}
2983
2984void QStyleSheetStyle::repolish(QApplication *app)
2985{
2986 Q_UNUSED(app);
2987 const QList<const QObject*> allObjects = styleSheetCaches->styleRulesCache.keys();
2988 styleSheetCaches->styleSheetCache.remove(qApp);
2989 styleSheetCaches->styleRulesCache.clear();
2990 styleSheetCaches->hasStyleRuleCache.clear();
2991 styleSheetCaches->renderRulesCache.clear();
2992 updateObjects(allObjects);
2993}
2994
2995void QStyleSheetStyle::unpolish(QWidget *w)
2996{
2997 if (!w || !w->testAttribute(Qt::WA_StyleSheet)) {
2998 baseStyle()->unpolish(w);
2999 return;
3000 }
3001
3002 styleSheetCaches->styleRulesCache.remove(w);
3003 styleSheetCaches->hasStyleRuleCache.remove(w);
3004 styleSheetCaches->renderRulesCache.remove(w);
3005 styleSheetCaches->styleSheetCache.remove(w);
3006 unsetPalette(w);
3007 setGeometry(w);
3008 w->setAttribute(Qt::WA_StyleSheetTarget, false);
3009 w->setAttribute(Qt::WA_StyleSheet, false);
3010 w->disconnect(this);
3011#if QT_CONFIG(scrollarea)
3012 if (QAbstractScrollArea *sa = qobject_cast<QAbstractScrollArea *>(w)) {
3013 disconnect(sa->horizontalScrollBar(), &QScrollBar::valueChanged,
3014 sa, QOverload<>::of(&QAbstractScrollArea::update));
3015 disconnect(sa->verticalScrollBar(), &QScrollBar::valueChanged,
3016 sa, QOverload<>::of(&QAbstractScrollArea::update));
3017 }
3018#endif
3019 baseStyle()->unpolish(w);
3020}
3021
3022void QStyleSheetStyle::unpolish(QApplication *app)
3023{
3024 baseStyle()->unpolish(app);
3025 RECURSION_GUARD(return)
3026 styleSheetCaches->styleRulesCache.clear();
3027 styleSheetCaches->hasStyleRuleCache.clear();
3028 styleSheetCaches->renderRulesCache.clear();
3029 styleSheetCaches->styleSheetCache.remove(qApp);
3030}
3031
3032void QStyleSheetStyle::drawComplexControl(ComplexControl cc, const QStyleOptionComplex *opt, QPainter *p,
3033 const QWidget *w) const
3034{
3035 RECURSION_GUARD(baseStyle()->drawComplexControl(cc, opt, p, w); return)
3036
3037 QRenderRule rule = renderRule(w, opt);
3038
3039 switch (cc) {
3040 case CC_ComboBox:
3041 if (const QStyleOptionComboBox *cmb = qstyleoption_cast<const QStyleOptionComboBox *>(opt)) {
3042 QStyleOptionComboBox cmbOpt(*cmb);
3043 cmbOpt.rect = rule.borderRect(opt->rect);
3044 if (rule.hasNativeBorder()) {
3045 rule.drawBackgroundImage(p, cmbOpt.rect);
3046 rule.configurePalette(&cmbOpt.palette, QPalette::ButtonText, QPalette::Button);
3047 bool customDropDown = (opt->subControls & QStyle::SC_ComboBoxArrow)
3048 && (hasStyleRule(w, PseudoElement_ComboBoxDropDown) || hasStyleRule(w, PseudoElement_ComboBoxArrow));
3049 if (customDropDown)
3050 cmbOpt.subControls &= ~QStyle::SC_ComboBoxArrow;
3051 if (rule.baseStyleCanDraw()) {
3052 baseStyle()->drawComplexControl(cc, &cmbOpt, p, w);
3053 } else {
3054 QWindowsStyle::drawComplexControl(cc, &cmbOpt, p, w);
3055 }
3056 if (!customDropDown)
3057 return;
3058 } else {
3059 rule.drawRule(p, opt->rect);
3060 }
3061
3062 if (opt->subControls & QStyle::SC_ComboBoxArrow) {
3063 QRenderRule subRule = renderRule(w, opt, PseudoElement_ComboBoxDropDown);
3064 if (subRule.hasDrawable()) {
3065 QRect r = subControlRect(CC_ComboBox, opt, SC_ComboBoxArrow, w);
3066 subRule.drawRule(p, r);
3067 QRenderRule subRule2 = renderRule(w, opt, PseudoElement_ComboBoxArrow);
3068 r = positionRect(w, subRule, subRule2, PseudoElement_ComboBoxArrow, r, opt->direction);
3069 subRule2.drawRule(p, r);
3070 } else {
3071 rule.configurePalette(&cmbOpt.palette, QPalette::ButtonText, QPalette::Button);
3072 cmbOpt.subControls = QStyle::SC_ComboBoxArrow;
3073 QWindowsStyle::drawComplexControl(cc, &cmbOpt, p, w);
3074 }
3075 }
3076
3077 return;
3078 }
3079 break;
3080
3081#if QT_CONFIG(spinbox)
3082 case CC_SpinBox:
3083 if (const QStyleOptionSpinBox *spin = qstyleoption_cast<const QStyleOptionSpinBox *>(opt)) {
3084 QStyleOptionSpinBox spinOpt(*spin);
3085 rule.configurePalette(&spinOpt.palette, QPalette::ButtonText, QPalette::Button);
3086 rule.configurePalette(&spinOpt.palette, QPalette::Text, QPalette::Base);
3087 spinOpt.rect = rule.borderRect(opt->rect);
3088 bool customUp = true, customDown = true;
3089 QRenderRule upRule = renderRule(w, opt, PseudoElement_SpinBoxUpButton);
3090 QRenderRule downRule = renderRule(w, opt, PseudoElement_SpinBoxDownButton);
3091 bool upRuleMatch = upRule.hasGeometry() || upRule.hasPosition();
3092 bool downRuleMatch = downRule.hasGeometry() || downRule.hasPosition();
3093 if (rule.hasNativeBorder() && !upRuleMatch && !downRuleMatch) {
3094 rule.drawBackgroundImage(p, spinOpt.rect);
3095 customUp = (opt->subControls & QStyle::SC_SpinBoxUp)
3096 && (hasStyleRule(w, PseudoElement_SpinBoxUpButton) || hasStyleRule(w, PseudoElement_UpArrow));
3097 if (customUp)
3098 spinOpt.subControls &= ~QStyle::SC_SpinBoxUp;
3099 customDown = (opt->subControls & QStyle::SC_SpinBoxDown)
3100 && (hasStyleRule(w, PseudoElement_SpinBoxDownButton) || hasStyleRule(w, PseudoElement_DownArrow));
3101 if (customDown)
3102 spinOpt.subControls &= ~QStyle::SC_SpinBoxDown;
3103 if (rule.baseStyleCanDraw()) {
3104 baseStyle()->drawComplexControl(cc, &spinOpt, p, w);
3105 } else {
3106 QWindowsStyle::drawComplexControl(cc, &spinOpt, p, w);
3107 }
3108 if (!customUp && !customDown)
3109 return;
3110 } else {
3111 rule.drawRule(p, opt->rect);
3112 }
3113
3114 if ((opt->subControls & QStyle::SC_SpinBoxUp) && customUp) {
3115 QRenderRule subRule = renderRule(w, opt, PseudoElement_SpinBoxUpButton);
3116 if (subRule.hasDrawable()) {
3117 QRect r = subControlRect(CC_SpinBox, opt, SC_SpinBoxUp, w);
3118 subRule.drawRule(p, r);
3119 QRenderRule subRule2 = renderRule(w, opt, PseudoElement_SpinBoxUpArrow);
3120 r = positionRect(w, subRule, subRule2, PseudoElement_SpinBoxUpArrow, r, opt->direction);
3121 subRule2.drawRule(p, r);
3122 } else {
3123 spinOpt.subControls = QStyle::SC_SpinBoxUp;
3124 QWindowsStyle::drawComplexControl(cc, &spinOpt, p, w);
3125 }
3126 }
3127
3128 if ((opt->subControls & QStyle::SC_SpinBoxDown) && customDown) {
3129 QRenderRule subRule = renderRule(w, opt, PseudoElement_SpinBoxDownButton);
3130 if (subRule.hasDrawable()) {
3131 QRect r = subControlRect(CC_SpinBox, opt, SC_SpinBoxDown, w);
3132 subRule.drawRule(p, r);
3133 QRenderRule subRule2 = renderRule(w, opt, PseudoElement_SpinBoxDownArrow);
3134 r = positionRect(w, subRule, subRule2, PseudoElement_SpinBoxDownArrow, r, opt->direction);
3135 subRule2.drawRule(p, r);
3136 } else {
3137 spinOpt.subControls = QStyle::SC_SpinBoxDown;
3138 QWindowsStyle::drawComplexControl(cc, &spinOpt, p, w);
3139 }
3140 }
3141 return;
3142 }
3143 break;
3144#endif // QT_CONFIG(spinbox)
3145
3146 case CC_GroupBox:
3147 if (const QStyleOptionGroupBox *gb = qstyleoption_cast<const QStyleOptionGroupBox *>(opt)) {
3148
3149 QRect labelRect, checkBoxRect, titleRect, frameRect;
3150 bool hasTitle = (gb->subControls & QStyle::SC_GroupBoxCheckBox) || !gb->text.isEmpty();
3151
3152 if (!rule.hasDrawable() && (!hasTitle || !hasStyleRule(w, PseudoElement_GroupBoxTitle))
3153 && !hasStyleRule(w, PseudoElement_Indicator) && !rule.hasBox() && !rule.hasFont && !rule.hasPalette()) {
3154 // let the native style draw the combobox if there is no style for it.
3155 break;
3156 }
3157 rule.drawBackground(p, opt->rect);
3158
3159 QRenderRule titleRule = renderRule(w, opt, PseudoElement_GroupBoxTitle);
3160 bool clipSet = false;
3161
3162 if (hasTitle) {
3163 labelRect = subControlRect(CC_GroupBox, opt, SC_GroupBoxLabel, w);
3164 //Some native style (such as mac) may return a too small rectangle (because they use smaller fonts), so we may need to expand it a little bit.
3165 labelRect.setSize(labelRect.size().expandedTo(ParentStyle::subControlRect(CC_GroupBox, opt, SC_GroupBoxLabel, w).size()));
3166 if (gb->subControls & QStyle::SC_GroupBoxCheckBox) {
3167 checkBoxRect = subControlRect(CC_GroupBox, opt, SC_GroupBoxCheckBox, w);
3168 titleRect = titleRule.boxRect(checkBoxRect.united(labelRect));
3169 } else {
3170 titleRect = titleRule.boxRect(labelRect);
3171 }
3172 if (!titleRule.hasBackground() || !titleRule.background()->isTransparent()) {
3173 clipSet = true;
3174 p->save();
3175 p->setClipRegion(QRegion(opt->rect) - titleRect);
3176 }
3177 }
3178
3179 frameRect = subControlRect(CC_GroupBox, opt, SC_GroupBoxFrame, w);
3180 QStyleOptionFrame frame;
3181 frame.QStyleOption::operator=(*gb);
3182 frame.features = gb->features;
3183 frame.lineWidth = gb->lineWidth;
3184 frame.midLineWidth = gb->midLineWidth;
3185 frame.rect = frameRect;
3186 drawPrimitive(PE_FrameGroupBox, &frame, p, w);
3187
3188 if (clipSet)
3189 p->restore();
3190
3191 // draw background and frame of the title
3192 if (hasTitle)
3193 titleRule.drawRule(p, titleRect);
3194
3195 // draw the indicator
3196 if (gb->subControls & QStyle::SC_GroupBoxCheckBox) {
3197 QStyleOptionButton box;
3198 box.QStyleOption::operator=(*gb);
3199 box.rect = checkBoxRect;
3200 drawPrimitive(PE_IndicatorCheckBox, &box, p, w);
3201 }
3202
3203 // draw the text
3204 if (!gb->text.isEmpty()) {
3205 int alignment = int(Qt::AlignCenter | Qt::TextShowMnemonic);
3206 if (!styleHint(QStyle::SH_UnderlineShortcut, opt, w)) {
3207 alignment |= Qt::TextHideMnemonic;
3208 }
3209
3210 QPalette pal = gb->palette;
3211 if (gb->textColor.isValid())
3212 pal.setColor(QPalette::WindowText, gb->textColor);
3213 titleRule.configurePalette(&pal, QPalette::WindowText, QPalette::Window);
3214 drawItemText(p, labelRect, alignment, pal, gb->state & State_Enabled,
3215 gb->text, QPalette::WindowText);
3216
3217 if (gb->state & State_HasFocus) {
3218 QStyleOptionFocusRect fropt;
3219 fropt.QStyleOption::operator=(*gb);
3220 fropt.rect = labelRect;
3221 drawPrimitive(PE_FrameFocusRect, &fropt, p, w);
3222 }
3223 }
3224
3225 return;
3226 }
3227 break;
3228
3229 case CC_ToolButton:
3230#if QT_CONFIG(toolbutton)
3231 if (const QStyleOptionToolButton *tool = qstyleoption_cast<const QStyleOptionToolButton *>(opt)) {
3232 QStyleOptionToolButton toolOpt(*tool);
3233 rule.configurePalette(&toolOpt.palette, QPalette::ButtonText, QPalette::Button);
3234 toolOpt.font = rule.font.resolve(toolOpt.font);
3235 toolOpt.rect = rule.borderRect(opt->rect);
3236 const auto customArrowElement = [tool]{
3237 switch (tool->arrowType) {
3238 case Qt::DownArrow: return PseudoElement_DownArrow;
3239 case Qt::UpArrow: return PseudoElement_UpArrow;
3240 case Qt::LeftArrow: return PseudoElement_LeftArrow;
3241 case Qt::RightArrow: return PseudoElement_RightArrow;
3242 default: break;
3243 }
3244 return PseudoElement_None;
3245 };
3246 // if arrow/menu/indicators are requested, either draw them using the available rule,
3247 // or let the base style draw them; but not both
3248 const bool drawArrow = tool->features & QStyleOptionToolButton::Arrow;
3249 bool customArrow = drawArrow && hasStyleRule(w, customArrowElement());
3250 if (customArrow) {
3251 toolOpt.features &= ~QStyleOptionToolButton::Arrow;
3252 toolOpt.text = QString(); // we need to draw the arrow and the text ourselves
3253 }
3254 bool drawDropDown = tool->features & QStyleOptionToolButton::MenuButtonPopup;
3255 bool customDropDown = drawDropDown && hasStyleRule(w, PseudoElement_ToolButtonMenu);
3256 bool customDropDownArrow = false;
3257 bool drawMenuIndicator = tool->features & QStyleOptionToolButton::HasMenu;
3258 if (customDropDown) {
3259 toolOpt.subControls &= ~QStyle::SC_ToolButtonMenu;
3260 customDropDownArrow = hasStyleRule(w, PseudoElement_ToolButtonMenuArrow);
3261 if (customDropDownArrow)
3262 toolOpt.features &= ~(QStyleOptionToolButton::Menu | QStyleOptionToolButton::HasMenu);
3263 }
3264 const bool customMenuIndicator = (!drawDropDown && drawMenuIndicator)
3265 && hasStyleRule(w, PseudoElement_ToolButtonMenuIndicator);
3266 if (customMenuIndicator)
3267 toolOpt.features &= ~QStyleOptionToolButton::HasMenu;
3268
3269 if (rule.hasNativeBorder()) {
3270 if (tool->subControls & SC_ToolButton) {
3271 //in some case (eg. the button is "auto raised") the style doesn't draw the background
3272 //so we need to draw the background.
3273 // use the same condition as in QCommonStyle
3274 State bflags = tool->state & ~State_Sunken;
3275 if (bflags & State_AutoRaise && (!(bflags & State_MouseOver) || !(bflags & State_Enabled)))
3276 bflags &= ~State_Raised;
3277 if (tool->state & State_Sunken && tool->activeSubControls & SC_ToolButton)
3278 bflags |= State_Sunken;
3279 if (!(bflags & (State_Sunken | State_On | State_Raised)))
3280 rule.drawBackground(p, toolOpt.rect);
3281 }
3282
3283 QStyleOptionToolButton nativeToolOpt(toolOpt);
3284 // don't draw natively if we have a custom rule for menu indicators and/or buttons
3285 if (customMenuIndicator)
3286 nativeToolOpt.features &= ~(QStyleOptionToolButton::Menu | QStyleOptionToolButton::HasMenu);
3287 if (customDropDown || customDropDownArrow)
3288 nativeToolOpt.features &= ~(QStyleOptionToolButton::Menu | QStyleOptionToolButton::HasMenu | QStyleOptionToolButton::MenuButtonPopup);
3289 // Let base or windows style draw the button, which will include the menu-button
3290 if (rule.baseStyleCanDraw() && !(tool->features & QStyleOptionToolButton::Arrow))
3291 baseStyle()->drawComplexControl(cc, &nativeToolOpt, p, w);
3292 else
3293 QWindowsStyle::drawComplexControl(cc, &nativeToolOpt, p, w);
3294 // if we did draw natively, don't draw custom
3295 if (nativeToolOpt.features & (QStyleOptionToolButton::Menu | QStyleOptionToolButton::HasMenu))
3296 drawMenuIndicator = false;
3297 if (nativeToolOpt.features & QStyleOptionToolButton::MenuButtonPopup && !customDropDownArrow)
3298 drawDropDown = false;
3299 } else {
3300 rule.drawRule(p, opt->rect);
3301 toolOpt.rect = rule.contentsRect(opt->rect);
3302 if (rule.hasFont)
3303 toolOpt.font = rule.font.resolve(toolOpt.font);
3304 drawControl(CE_ToolButtonLabel, &toolOpt, p, w);
3305 }
3306
3307 const QRect cr = toolOpt.rect;
3308 // Draw DropDownButton unless drawn before
3309 if (drawDropDown) {
3310 if (opt->subControls & QStyle::SC_ToolButtonMenu) {
3311 QRenderRule subRule = renderRule(w, opt, PseudoElement_ToolButtonMenu);
3312 QRect menuButtonRect = subControlRect(CC_ToolButton, opt, QStyle::SC_ToolButtonMenu, w);
3313 if (subRule.hasDrawable()) {
3314 subRule.drawRule(p, menuButtonRect);
3315 } else {
3316 toolOpt.rect = menuButtonRect;
3317 baseStyle()->drawPrimitive(PE_IndicatorButtonDropDown, &toolOpt, p, w);
3318 }
3319
3320 if (customDropDownArrow || drawMenuIndicator) {
3321 QRenderRule arrowRule = renderRule(w, opt, PseudoElement_ToolButtonMenuArrow);
3322 QRect arrowRect = arrowRule.hasGeometry()
3323 ? positionRect(w, arrowRule, PseudoElement_ToolButtonMenuArrow, menuButtonRect, toolOpt.direction)
3324 : arrowRule.contentsRect(menuButtonRect);
3325 if (arrowRule.hasDrawable()) {
3326 arrowRule.drawRule(p, arrowRect);
3327 } else {
3328 toolOpt.rect = arrowRect;
3329 baseStyle()->drawPrimitive(QStyle::PE_IndicatorArrowDown, &toolOpt, p, w);
3330 }
3331 }
3332 }
3333 } else if (drawMenuIndicator) {
3334 QRenderRule subRule = renderRule(w, opt, PseudoElement_ToolButtonMenuIndicator);
3335
3336 // content padding does not impact the indicator, so use the original rect to
3337 // calculate position of the sub element within the toplevel rule
3338 QRect r = positionRect(w, rule, subRule, PseudoElement_ToolButtonMenuIndicator, opt->rect, toolOpt.direction);
3339 if (subRule.hasDrawable()) {
3340 subRule.drawRule(p, r);
3341 } else {
3342 toolOpt.rect = r;
3343 baseStyle()->drawPrimitive(QStyle::PE_IndicatorArrowDown, &toolOpt, p, w);
3344 }
3345 }
3346 toolOpt.rect = cr;
3347
3348 // If we don't have a custom arrow, then the arrow will have been rendered
3349 // already by the base style when drawing the label.
3350 if (customArrow) {
3351 const auto arrowElement = customArrowElement();
3352 QRenderRule subRule = renderRule(w, opt, arrowElement);
3353 QRect arrowRect = subRule.hasGeometry() ? positionRect(w, subRule, arrowElement, toolOpt.rect, toolOpt.direction)
3354 : subRule.contentsRect(toolOpt.rect);
3355
3356 switch (toolOpt.toolButtonStyle) {
3357 case Qt::ToolButtonIconOnly:
3358 break;
3359 case Qt::ToolButtonTextOnly:
3360 case Qt::ToolButtonTextBesideIcon:
3361 case Qt::ToolButtonTextUnderIcon: {
3362 // The base style needs to lay out the contents and will render the styled
3363 // arrow icons, unless the geometry is defined in the style sheet.
3364 toolOpt.text = tool->text;
3365 if (!subRule.hasGeometry())
3366 toolOpt.features |= QStyleOptionToolButton::Arrow;
3367 drawControl(CE_ToolButtonLabel, &toolOpt, p, w);
3368 if (!subRule.hasGeometry())
3369 return;
3370 break;
3371 }
3372 case Qt::ToolButtonFollowStyle:
3373 // QToolButton handles this, so must never happen
3374 Q_ASSERT(false);
3375 break;
3376 }
3377 subRule.drawRule(p, arrowRect);
3378 }
3379 return;
3380 }
3381#endif // QT_CONFIG(toolbutton)
3382 break;
3383
3384#if QT_CONFIG(scrollbar)
3385 case CC_ScrollBar:
3386 if (const QStyleOptionSlider *sb = qstyleoption_cast<const QStyleOptionSlider *>(opt)) {
3387 if (!rule.hasDrawable()) {
3388 QStyleOptionSlider sbOpt(*sb);
3389 sbOpt.rect = rule.borderRect(opt->rect);
3390 rule.drawBackgroundImage(p, opt->rect);
3391 baseStyle()->drawComplexControl(cc, &sbOpt, p, w);
3392 } else {
3393 rule.drawRule(p, opt->rect);
3394 QWindowsStyle::drawComplexControl(cc, opt, p, w);
3395 }
3396 return;
3397 }
3398 break;
3399#endif // QT_CONFIG(scrollbar)
3400
3401#if QT_CONFIG(slider)
3402 case CC_Slider:
3403 if (const QStyleOptionSlider *slider = qstyleoption_cast<const QStyleOptionSlider *>(opt)) {
3404 rule.drawRule(p, opt->rect);
3405
3406 QRenderRule grooveSubRule = renderRule(w, opt, PseudoElement_SliderGroove);
3407 QRenderRule handleSubRule = renderRule(w, opt, PseudoElement_SliderHandle);
3408 if (!grooveSubRule.hasDrawable()) {
3409 QStyleOptionSlider slOpt(*slider);
3410 bool handleHasRule = handleSubRule.hasDrawable();
3411 // If the style specifies a different handler rule, draw the groove without the handler.
3412 if (handleHasRule)
3413 slOpt.subControls &= ~SC_SliderHandle;
3414 baseStyle()->drawComplexControl(cc, &slOpt, p, w);
3415 if (!handleHasRule)
3416 return;
3417 }
3418
3419 QRect gr = subControlRect(cc, opt, SC_SliderGroove, w);
3420 if (slider->subControls & SC_SliderGroove)
3421 grooveSubRule.drawRule(p, gr);
3422
3423 if (slider->subControls & SC_SliderHandle) {
3424 QRect hr = subControlRect(cc, opt, SC_SliderHandle, w);
3425
3426 if (slider->subControls & SC_SliderGroove) {
3427 const bool isHor = slider->orientation == Qt::Horizontal;
3428 QRenderRule subRule1 = renderRule(w, opt, PseudoElement_SliderSubPage);
3429 if (subRule1.hasDrawable()) {
3430 QRect r(gr.topLeft(),
3431 isHor ? QPoint(hr.x() + hr.width() / 2, gr.y() + gr.height() - 1)
3432 : QPoint(gr.x() + gr.width() - 1, hr.y() + hr.height() / 2));
3433 subRule1.drawRule(p, r);
3434 }
3435 QRenderRule subRule2 = renderRule(w, opt, PseudoElement_SliderAddPage);
3436 if (subRule2.hasDrawable()) {
3437 QRect r(isHor ? QPoint(hr.x() + hr.width() / 2 + 1, gr.y())
3438 : QPoint(gr.x(), hr.y() + hr.height() / 2 + 1),
3439 gr.bottomRight());
3440 subRule2.drawRule(p, r);
3441 }
3442 }
3443
3444 handleSubRule.drawRule(p, handleSubRule.boxRect(hr, Margin));
3445 }
3446
3447 if (slider->subControls & SC_SliderTickmarks) {
3448 // TODO...
3449 }
3450
3451 return;
3452 }
3453 break;
3454#endif // QT_CONFIG(slider)
3455
3456 case CC_MdiControls:
3457 if (hasStyleRule(w, PseudoElement_MdiCloseButton)
3458 || hasStyleRule(w, PseudoElement_MdiNormalButton)
3459 || hasStyleRule(w, PseudoElement_MdiMinButton)) {
3460 QList<QVariant> layout = rule.styleHint("button-layout"_L1).toList();
3461 if (layout.isEmpty())
3462 layout = subControlLayout("mNX");
3463
3464 QStyleOptionComplex optCopy(*opt);
3465 optCopy.subControls = { };
3466 for (const QVariant &val : std::as_const(layout)) {
3467 int layoutButton = val.toInt();
3468 if (layoutButton < PseudoElement_MdiCloseButton
3469 || layoutButton > PseudoElement_MdiNormalButton)
3470 continue;
3471 QStyle::SubControl control = knownPseudoElements[layoutButton].subControl;
3472 if (!(opt->subControls & control))
3473 continue;
3474 QRenderRule subRule = renderRule(w, opt, layoutButton);
3475 if (subRule.hasDrawable()) {
3476 QRect rect = subRule.boxRect(subControlRect(CC_MdiControls, opt, control, w), Margin);
3477 subRule.drawRule(p, rect);
3478 QIcon icon = standardIcon(subControlIcon(layoutButton), opt);
3479 icon.paint(p, subRule.contentsRect(rect), Qt::AlignCenter);
3480 } else {
3481 optCopy.subControls |= control;
3482 }
3483 }
3484
3485 if (optCopy.subControls)
3486 baseStyle()->drawComplexControl(CC_MdiControls, &optCopy, p, w);
3487 return;
3488 }
3489 break;
3490
3491 case CC_TitleBar:
3492 if (const QStyleOptionTitleBar *tb = qstyleoption_cast<const QStyleOptionTitleBar *>(opt)) {
3493 QRenderRule subRule = renderRule(w, opt, PseudoElement_TitleBar);
3494 if (!subRule.hasDrawable() && !subRule.hasBox() && !subRule.hasBorder())
3495 break;
3496 subRule.drawRule(p, opt->rect);
3497 QHash<QStyle::SubControl, QRect> layout = titleBarLayout(w, tb);
3498 const auto paintDeviceDpr = QStyleHelper::getDpr(p);
3499
3500 QRect ir;
3501 ir = layout[SC_TitleBarLabel];
3502 if (ir.isValid()) {
3503 if (subRule.hasPalette())
3504 p->setPen(subRule.palette()->foreground.color());
3505 p->fillRect(ir, Qt::white);
3506 p->drawText(ir.x(), ir.y(), ir.width(), ir.height(), Qt::AlignLeft | Qt::AlignVCenter | Qt::TextSingleLine, tb->text);
3507 }
3508
3509 ir = layout[SC_TitleBarSysMenu];
3510 if (ir.isValid()) {
3511 QRenderRule subSubRule = renderRule(w, opt, PseudoElement_TitleBarSysMenu);
3512 subSubRule.drawRule(p, ir);
3513 ir = subSubRule.contentsRect(ir);
3514 if (!tb->icon.isNull()) {
3515 tb->icon.paint(p, ir);
3516 } else {
3517 int iconSize = pixelMetric(PM_SmallIconSize, tb, w);
3518 const QSize sz(iconSize, iconSize);
3519 const auto pm = standardIcon(SP_TitleBarMenuButton, nullptr, w)
3520 .pixmap(sz, paintDeviceDpr);
3521 drawItemPixmap(p, ir, Qt::AlignCenter, pm);
3522 }
3523 }
3524
3525 ir = layout[SC_TitleBarCloseButton];
3526 if (ir.isValid()) {
3527 QRenderRule subSubRule = renderRule(w, opt, PseudoElement_TitleBarCloseButton);
3528 subSubRule.drawRule(p, ir);
3529
3530 const QSize sz = subSubRule.contentsRect(ir).size();
3531 const auto type = ((tb->titleBarFlags & Qt::WindowType_Mask) == Qt::Tool)
3532 ? SP_DockWidgetCloseButton : SP_TitleBarCloseButton;
3533 const auto pm = standardIcon(type, nullptr, w).pixmap(sz, paintDeviceDpr);
3534 drawItemPixmap(p, ir, Qt::AlignCenter, pm);
3535 }
3536
3537 constexpr std::array<int, 6> pes = {
3538 PseudoElement_TitleBarMaxButton,
3539 PseudoElement_TitleBarMinButton,
3540 PseudoElement_TitleBarNormalButton,
3541 PseudoElement_TitleBarShadeButton,
3542 PseudoElement_TitleBarUnshadeButton,
3543 PseudoElement_TitleBarContextHelpButton
3544 };
3545
3546 for (int pe : pes) {
3547 QStyle::SubControl sc = knownPseudoElements[pe].subControl;
3548 ir = layout[sc];
3549 if (!ir.isValid())
3550 continue;
3551 QRenderRule subSubRule = renderRule(w, opt, pe);
3552 subSubRule.drawRule(p, ir);
3553 const QSize sz = subSubRule.contentsRect(ir).size();
3554 const auto pm = standardIcon(subControlIcon(pe), nullptr, w).pixmap(sz, paintDeviceDpr);
3555 drawItemPixmap(p, ir, Qt::AlignCenter, pm);
3556 }
3557
3558 return;
3559 }
3560 break;
3561
3562
3563 default:
3564 break;
3565 }
3566
3567 baseStyle()->drawComplexControl(cc, opt, p, w);
3568}
3569
3570void QStyleSheetStyle::renderMenuItemIcon(const QStyleOptionMenuItem *mi, QPainter *p, const QWidget *w,
3571 const QRect &rect, QRenderRule &subRule) const
3572{
3573 const QIcon::Mode mode = mi->state & QStyle::State_Enabled
3574 ? (mi->state & QStyle::State_Selected ? QIcon::Active : QIcon::Normal)
3575 : QIcon::Disabled;
3576 const bool checked = mi->checkType != QStyleOptionMenuItem::NotCheckable && mi->checked;
3577 const auto iconSize = pixelMetric(PM_SmallIconSize, mi, w);
3578 const QSize sz(iconSize, iconSize);
3579 const QPixmap pixmap(mi->icon.pixmap(sz, QStyleHelper::getDpr(p), mode,
3580 checked ? QIcon::On : QIcon::Off));
3581 const int pixw = pixmap.width() / pixmap.devicePixelRatio();
3582 const int pixh = pixmap.height() / pixmap.devicePixelRatio();
3583 QRenderRule iconRule = renderRule(w, mi, PseudoElement_MenuIcon);
3584 if (!iconRule.hasGeometry()) {
3585 iconRule.geo = new QStyleSheetGeometryData(pixw, pixh, pixw, pixh, -1, -1);
3586 } else {
3587 iconRule.geo->width = pixw;
3588 iconRule.geo->height = pixh;
3589 }
3590 QRect iconRect = positionRect(w, subRule, iconRule, PseudoElement_MenuIcon, rect, mi->direction);
3591 if (mi->direction == Qt::LeftToRight)
3592 iconRect.moveLeft(iconRect.left());
3593 else
3594 iconRect.moveRight(iconRect.right());
3595 iconRule.drawRule(p, iconRect);
3596 QRect pmr(0, 0, pixw, pixh);
3597 pmr.moveCenter(iconRect.center());
3598 p->drawPixmap(pmr.topLeft(), pixmap);
3599}
3600
3601void QStyleSheetStyle::drawControl(ControlElement ce, const QStyleOption *opt, QPainter *p,
3602 const QWidget *w) const
3603{
3604 RECURSION_GUARD(baseStyle()->drawControl(ce, opt, p, w); return)
3605
3606 QRenderRule rule = renderRule(w, opt);
3607 int pe1 = PseudoElement_None, pe2 = PseudoElement_None;
3608 bool fallback = false;
3609
3610 switch (ce) {
3611 case CE_ToolButtonLabel:
3612#if QT_CONFIG(toolbutton)
3613 if (const QStyleOptionToolButton *btn = qstyleoption_cast<const QStyleOptionToolButton *>(opt)) {
3614 if (rule.hasBox() || btn->features & QStyleOptionToolButton::Arrow) {
3615 QWindowsStyle::drawControl(ce, opt, p, w);
3616 } else {
3617 QStyleOptionToolButton butOpt(*btn);
3618 rule.configurePalette(&butOpt.palette, QPalette::ButtonText, QPalette::Button);
3619 baseStyle()->drawControl(ce, &butOpt, p, w);
3620 }
3621 return;
3622 }
3623#endif // QT_CONFIG(toolbutton)
3624 break;
3625
3626 case CE_FocusFrame:
3627 if (!rule.hasNativeBorder()) {
3628 rule.drawBorder(p, opt->rect);
3629 return;
3630 }
3631 break;
3632
3633 case CE_PushButton:
3634 if (const QStyleOptionButton *btn = qstyleoption_cast<const QStyleOptionButton *>(opt)) {
3635 if (rule.hasDrawable() || rule.hasBox() || rule.hasPosition() || rule.hasPalette() ||
3636 ((btn->features & QStyleOptionButton::HasMenu) && hasStyleRule(w, PseudoElement_PushButtonMenuIndicator))) {
3637 ParentStyle::drawControl(ce, opt, p, w);
3638 return;
3639 }
3640 }
3641 break;
3642 case CE_PushButtonBevel:
3643 if (const QStyleOptionButton *btn = qstyleoption_cast<const QStyleOptionButton *>(opt)) {
3644 QStyleOptionButton btnOpt(*btn);
3645 btnOpt.rect = rule.borderRect(opt->rect);
3646 if (rule.hasNativeBorder()) {
3647 rule.drawBackgroundImage(p, btnOpt.rect);
3648 rule.configurePalette(&btnOpt.palette, QPalette::ButtonText, QPalette::Button);
3649 bool customMenu = (btn->features & QStyleOptionButton::HasMenu
3650 && hasStyleRule(w, PseudoElement_PushButtonMenuIndicator));
3651 if (customMenu)
3652 btnOpt.features &= ~QStyleOptionButton::HasMenu;
3653 if (rule.baseStyleCanDraw()) {
3654 baseStyle()->drawControl(ce, &btnOpt, p, w);
3655 } else {
3656 QWindowsStyle::drawControl(ce, &btnOpt, p, w);
3657 }
3658 rule.drawImage(p, rule.contentsRect(opt->rect));
3659 if (!customMenu)
3660 return;
3661 } else {
3662 rule.drawRule(p, opt->rect);
3663 }
3664
3665 if (btn->features & QStyleOptionButton::HasMenu) {
3666 QRenderRule subRule = renderRule(w, opt, PseudoElement_PushButtonMenuIndicator);
3667 QRect ir = positionRect(w, rule, subRule, PseudoElement_PushButtonMenuIndicator,
3668 baseStyle()->subElementRect(SE_PushButtonBevel, btn, w), opt->direction);
3669 if (subRule.hasDrawable()) {
3670 subRule.drawRule(p, ir);
3671 } else {
3672 btnOpt.rect = ir;
3673 baseStyle()->drawPrimitive(PE_IndicatorArrowDown, &btnOpt, p, w);
3674 }
3675 }
3676 }
3677 return;
3678
3679 case CE_PushButtonLabel:
3680 if (const QStyleOptionButton *button = qstyleoption_cast<const QStyleOptionButton *>(opt)) {
3681 QStyleOptionButton butOpt(*button);
3682 rule.configurePalette(&butOpt.palette, QPalette::ButtonText, QPalette::Button);
3683
3684 const QFont oldFont = p->font();
3685 if (rule.hasFont)
3686 p->setFont(rule.font.resolve(p->font()));
3687
3688 if (rule.hasPosition() || rule.hasIcon()) {
3689 uint tf = Qt::TextShowMnemonic;
3690 QRect textRect = button->rect;
3691
3692 const uint horizontalAlignMask = Qt::AlignHCenter | Qt::AlignLeft | Qt::AlignRight;
3693 const uint verticalAlignMask = Qt::AlignVCenter | Qt::AlignTop | Qt::AlignBottom;
3694
3695 if (rule.hasPosition() && rule.position()->textAlignment != 0) {
3696 Qt::Alignment textAlignment = rule.position()->textAlignment;
3697 tf |= (textAlignment & verticalAlignMask) ? (textAlignment & verticalAlignMask) : Qt::AlignVCenter;
3698 tf |= (textAlignment & horizontalAlignMask) ? (textAlignment & horizontalAlignMask) : Qt::AlignHCenter;
3699 if (!styleHint(SH_UnderlineShortcut, button, w))
3700 tf |= Qt::TextHideMnemonic;
3701 } else {
3702 tf |= Qt::AlignVCenter | Qt::AlignHCenter;
3703 }
3704
3705 QIcon icon = rule.hasIcon() ? rule.icon()->icon : button->icon;
3706 if (!icon.isNull()) {
3707 //Group both icon and text
3708 QRect iconRect;
3709 QIcon::Mode mode = button->state & State_Enabled ? QIcon::Normal : QIcon::Disabled;
3710 if (mode == QIcon::Normal && button->state & State_HasFocus)
3711 mode = QIcon::Active;
3712 QIcon::State state = QIcon::Off;
3713 if (button->state & State_On)
3714 state = QIcon::On;
3715
3716 const auto paintDeviceDpr = QStyleHelper::getDpr(p);
3717 QPixmap pixmap = icon.pixmap(button->iconSize, paintDeviceDpr, mode, state);
3718 int pixmapWidth = pixmap.width() / pixmap.devicePixelRatio();
3719 int pixmapHeight = pixmap.height() / pixmap.devicePixelRatio();
3720 int labelWidth = pixmapWidth;
3721 int labelHeight = pixmapHeight;
3722 int iconSpacing = 4;//### 4 is currently hardcoded in QPushButton::sizeHint()
3723 int textWidth = button->fontMetrics.boundingRect(opt->rect, tf, button->text).width();
3724 if (!button->text.isEmpty())
3725 labelWidth += (textWidth + iconSpacing);
3726
3727 //Determine label alignment:
3728 if (tf & Qt::AlignLeft) { /*left*/
3729 iconRect = QRect(textRect.x(), textRect.y() + (textRect.height() - labelHeight) / 2,
3730 pixmapWidth, pixmapHeight);
3731 } else if (tf & Qt::AlignHCenter) { /* center */
3732 iconRect = QRect(textRect.x() + (textRect.width() - labelWidth) / 2,
3733 textRect.y() + (textRect.height() - labelHeight) / 2,
3734 pixmapWidth, pixmapHeight);
3735 } else { /*right*/
3736 iconRect = QRect(textRect.x() + textRect.width() - labelWidth,
3737 textRect.y() + (textRect.height() - labelHeight) / 2,
3738 pixmapWidth, pixmapHeight);
3739 }
3740
3741 iconRect = visualRect(button->direction, textRect, iconRect);
3742
3743 // Left align, adjust the text-rect according to the icon instead
3744 tf &= ~horizontalAlignMask;
3745 tf |= Qt::AlignLeft;
3746
3747 if (button->direction == Qt::RightToLeft)
3748 textRect.setRight(iconRect.left() - iconSpacing);
3749 else
3750 textRect.setLeft(iconRect.left() + iconRect.width() + iconSpacing);
3751
3752 if (button->state & (State_On | State_Sunken))
3753 iconRect.translate(pixelMetric(PM_ButtonShiftHorizontal, opt, w),
3754 pixelMetric(PM_ButtonShiftVertical, opt, w));
3755 p->drawPixmap(iconRect, pixmap);
3756 }
3757
3758 if (button->state & (State_On | State_Sunken))
3759 textRect.translate(pixelMetric(PM_ButtonShiftHorizontal, opt, w),
3760 pixelMetric(PM_ButtonShiftVertical, opt, w));
3761
3762 if (button->features & QStyleOptionButton::HasMenu) {
3763 int indicatorSize = pixelMetric(PM_MenuButtonIndicator, button, w);
3764 if (button->direction == Qt::LeftToRight)
3765 textRect = textRect.adjusted(0, 0, -indicatorSize, 0);
3766 else
3767 textRect = textRect.adjusted(indicatorSize, 0, 0, 0);
3768 }
3769 drawItemText(p, textRect, tf, butOpt.palette, (button->state & State_Enabled),
3770 button->text, QPalette::ButtonText);
3771 } else {
3772 ParentStyle::drawControl(ce, &butOpt, p, w);
3773 }
3774
3775 if (rule.hasFont)
3776 p->setFont(oldFont);
3777 }
3778 return;
3779
3780 case CE_RadioButton:
3781 case CE_CheckBox:
3782 if (rule.hasBox() || !rule.hasNativeBorder() || rule.hasDrawable() || hasStyleRule(w, PseudoElement_Indicator)) {
3783 rule.drawRule(p, opt->rect);
3784 ParentStyle::drawControl(ce, opt, p, w);
3785 return;
3786 } else if (const QStyleOptionButton *btn = qstyleoption_cast<const QStyleOptionButton *>(opt)) {
3787 QStyleOptionButton butOpt(*btn);
3788 rule.configurePalette(&butOpt.palette, QPalette::ButtonText, QPalette::Button);
3789 baseStyle()->drawControl(ce, &butOpt, p, w);
3790 return;
3791 }
3792 break;
3793 case CE_RadioButtonLabel:
3794 case CE_CheckBoxLabel:
3795 if (const QStyleOptionButton *btn = qstyleoption_cast<const QStyleOptionButton *>(opt)) {
3796 QStyleOptionButton butOpt(*btn);
3797 rule.configurePalette(&butOpt.palette, QPalette::ButtonText, QPalette::Button);
3798 ParentStyle::drawControl(ce, &butOpt, p, w);
3799 }
3800 return;
3801
3802 case CE_Splitter:
3803 pe1 = PseudoElement_SplitterHandle;
3804 break;
3805
3806 case CE_ToolBar:
3807 if (rule.hasBackground()) {
3808 rule.drawBackground(p, opt->rect);
3809 }
3810 if (rule.hasBorder()) {
3811 rule.drawBorder(p, rule.borderRect(opt->rect));
3812 } else {
3813#if QT_CONFIG(toolbar)
3814 if (const QStyleOptionToolBar *tb = qstyleoption_cast<const QStyleOptionToolBar *>(opt)) {
3815 QStyleOptionToolBar newTb(*tb);
3816 newTb.rect = rule.borderRect(opt->rect);
3817 baseStyle()->drawControl(ce, &newTb, p, w);
3818 }
3819#endif // QT_CONFIG(toolbar)
3820 }
3821 return;
3822
3823 case CE_MenuEmptyArea:
3824 case CE_MenuBarEmptyArea:
3825 if (rule.hasDrawable()) {
3826 // Drawn by PE_Widget
3827 return;
3828 }
3829 break;
3830
3831 case CE_MenuTearoff:
3832 case CE_MenuScroller:
3833 if (const QStyleOptionMenuItem *m = qstyleoption_cast<const QStyleOptionMenuItem *>(opt)) {
3834 QStyleOptionMenuItem mi(*m);
3835 int pe = ce == CE_MenuTearoff ? PseudoElement_MenuTearoff : PseudoElement_MenuScroller;
3836 QRenderRule subRule = renderRule(w, opt, pe);
3837 mi.rect = subRule.contentsRect(opt->rect);
3838 rule.configurePalette(&mi.palette, QPalette::ButtonText, QPalette::Button);
3839 subRule.configurePalette(&mi.palette, QPalette::ButtonText, QPalette::Button);
3840
3841 if (subRule.hasDrawable()) {
3842 subRule.drawRule(p, opt->rect);
3843 } else {
3844 baseStyle()->drawControl(ce, &mi, p, w);
3845 }
3846 }
3847 return;
3848
3849 case CE_MenuItem:
3850 if (const QStyleOptionMenuItem *m = qstyleoption_cast<const QStyleOptionMenuItem *>(opt)) {
3851 QStyleOptionMenuItem mi(*m);
3852
3853 int pseudo = (mi.menuItemType == QStyleOptionMenuItem::Separator) ? PseudoElement_MenuSeparator : PseudoElement_Item;
3854 QRenderRule subRule = renderRule(w, opt, pseudo);
3855 mi.rect = subRule.contentsRect(opt->rect);
3856 rule.configurePalette(&mi.palette, QPalette::ButtonText, QPalette::Button);
3857 rule.configurePalette(&mi.palette, QPalette::HighlightedText, QPalette::Highlight);
3858 subRule.configurePalette(&mi.palette, QPalette::ButtonText, QPalette::Button);
3859 subRule.configurePalette(&mi.palette, QPalette::HighlightedText, QPalette::Highlight);
3860 QFont oldFont = p->font();
3861 if (subRule.hasFont)
3862 p->setFont(subRule.font.resolve(mi.font));
3863 else
3864 p->setFont(mi.font);
3865
3866 // We fall back to drawing with the style sheet code whenever at least one of the
3867 // items are styled in an incompatible way, such as having a background image.
3868 QRenderRule allRules = renderRule(w, PseudoElement_Item, PseudoClass_Any);
3869
3870 if ((pseudo == PseudoElement_MenuSeparator) && subRule.hasDrawable()) {
3871 subRule.drawRule(p, opt->rect);
3872 } else if ((pseudo == PseudoElement_Item)
3873 && (allRules.hasBox() || allRules.hasBorder() || subRule.hasFont
3874 || (allRules.background() && !allRules.background()->pixmap.isNull()))) {
3875 subRule.drawRule(p, opt->rect);
3876 if (subRule.hasBackground()) {
3877 mi.palette.setBrush(QPalette::Highlight, Qt::NoBrush);
3878 mi.palette.setBrush(QPalette::Button, Qt::NoBrush);
3879 } else {
3880 mi.palette.setBrush(QPalette::Highlight, mi.palette.brush(QPalette::Button));
3881 }
3882 mi.palette.setBrush(QPalette::HighlightedText, mi.palette.brush(QPalette::ButtonText));
3883
3884 bool drawCheckMark = mi.menuHasCheckableItems;
3885#if QT_CONFIG(combobox)
3886 if (qobject_cast<const QComboBox *>(w))
3887 drawCheckMark = false; // ignore the checkmarks provided by the QComboMenuDelegate
3888#endif
3889 int textRectOffset = m->maxIconWidth;
3890 if (!mi.icon.isNull()) {
3891 renderMenuItemIcon(&mi, p, w, opt->rect, subRule);
3892 } else if (drawCheckMark) {
3893 const bool checkable = mi.checkType != QStyleOptionMenuItem::NotCheckable;
3894 const bool checked = checkable ? mi.checked : false;
3895
3896 const QRenderRule subSubRule = renderRule(w, opt, PseudoElement_MenuCheckMark);
3897 const QRect cmRect = positionRect(w, subRule, subSubRule, PseudoElement_MenuCheckMark, opt->rect, opt->direction);
3898 if (checkable && (subSubRule.hasDrawable() || checked)) {
3899 QStyleOptionMenuItem newMi = mi;
3900 if (opt->state & QStyle::State_Enabled)
3901 newMi.state |= State_Enabled;
3902 if (mi.checked)
3903 newMi.state |= State_On;
3904 newMi.rect = cmRect;
3905 drawPrimitive(PE_IndicatorMenuCheckMark, &newMi, p, w);
3906 }
3907 textRectOffset = std::max(m->maxIconWidth, cmRect.width());
3908 }
3909
3910 QRect textRect = subRule.contentsRect(opt->rect);
3911 textRect.setLeft(textRect.left() + textRectOffset);
3912 textRect.setWidth(textRect.width() - mi.reservedShortcutWidth);
3913 const QRect vTextRect = visualRect(opt->direction, m->rect, textRect);
3914
3915 QStringView s(mi.text);
3916 p->setPen(mi.palette.buttonText().color());
3917 if (!s.isEmpty()) {
3918 int text_flags = Qt::AlignLeft | Qt::AlignVCenter | Qt::TextShowMnemonic | Qt::TextDontClip | Qt::TextSingleLine;
3919 if (!styleHint(SH_UnderlineShortcut, &mi, w))
3920 text_flags |= Qt::TextHideMnemonic;
3921 qsizetype t = s.indexOf(u'\t');
3922 if (t >= 0) {
3923 QRect vShortcutRect = visualRect(opt->direction, mi.rect,
3924 QRect(textRect.topRight(), QPoint(mi.rect.right(), textRect.bottom())));
3925 p->drawText(vShortcutRect, text_flags, s.mid(t + 1).toString());
3926 s = s.left(t);
3927 }
3928 p->drawText(vTextRect, text_flags, s.left(t).toString());
3929 }
3930
3931 if (mi.menuItemType == QStyleOptionMenuItem::SubMenu) {// draw sub menu arrow
3932 PrimitiveElement arrow = (opt->direction == Qt::RightToLeft) ? PE_IndicatorArrowLeft : PE_IndicatorArrowRight;
3933 QRenderRule subRule2 = renderRule(w, opt, PseudoElement_MenuRightArrow);
3934 mi.rect = positionRect(w, subRule, subRule2, PseudoElement_MenuRightArrow, opt->rect, mi.direction);
3935 drawPrimitive(arrow, &mi, p, w);
3936 }
3937 } else if (!mi.icon.isNull() && hasStyleRule(w, PseudoElement_MenuIcon)) {
3938 // we wouldn't be here if the item itself would be styled, so now we only want
3939 // the text from the default style, and then draw the icon ourselves.
3940 QStyleOptionMenuItem newMi = mi;
3941 newMi.icon = {};
3942 newMi.checkType = QStyleOptionMenuItem::NotCheckable;
3943 if (rule.baseStyleCanDraw() && subRule.baseStyleCanDraw())
3944 baseStyle()->drawControl(ce, &newMi, p, w);
3945 else
3946 ParentStyle::drawControl(ce, &newMi, p, w);
3947 renderMenuItemIcon(&mi, p, w, opt->rect, subRule);
3948 } else if (hasStyleRule(w, PseudoElement_MenuCheckMark) || hasStyleRule(w, PseudoElement_MenuRightArrow)) {
3949 QWindowsStyle::drawControl(ce, &mi, p, w);
3950 if (mi.checkType != QStyleOptionMenuItem::NotCheckable && !mi.checked) {
3951 // We have a style defined, but QWindowsStyle won't draw anything if not checked.
3952 // So we mimic what QWindowsStyle would do.
3953 int checkcol = qMax<int>(mi.maxIconWidth, QWindowsStylePrivate::windowsCheckMarkWidth);
3954 QRect vCheckRect = visualRect(opt->direction, mi.rect, QRect(mi.rect.x(), mi.rect.y(), checkcol, mi.rect.height()));
3955 if (mi.state.testFlag(State_Enabled) && mi.state.testFlag(State_Selected)) {
3956 qDrawShadePanel(p, vCheckRect, mi.palette, true, 1, &mi.palette.brush(QPalette::Button));
3957 } else {
3958 QBrush fill(mi.palette.light().color(), Qt::Dense4Pattern);
3959 qDrawShadePanel(p, vCheckRect, mi.palette, true, 1, &fill);
3960 }
3961 QRenderRule subSubRule = renderRule(w, opt, PseudoElement_MenuCheckMark);
3962 if (subSubRule.hasDrawable()) {
3963 QStyleOptionMenuItem newMi(mi);
3964 newMi.rect = visualRect(opt->direction, mi.rect, QRect(mi.rect.x() + QWindowsStylePrivate::windowsItemFrame,
3965 mi.rect.y() + QWindowsStylePrivate::windowsItemFrame,
3966 checkcol - 2 * QWindowsStylePrivate::windowsItemFrame,
3967 mi.rect.height() - 2 * QWindowsStylePrivate::windowsItemFrame));
3968 drawPrimitive(PE_IndicatorMenuCheckMark, &newMi, p, w);
3969 }
3970 }
3971 } else {
3972 if (rule.hasDrawable() && !subRule.hasDrawable() && !(opt->state & QStyle::State_Selected)) {
3973 mi.palette.setColor(QPalette::Window, Qt::transparent);
3974 mi.palette.setColor(QPalette::Button, Qt::transparent);
3975 }
3976 if (rule.baseStyleCanDraw() && subRule.baseStyleCanDraw()) {
3977 baseStyle()->drawControl(ce, &mi, p, w);
3978 } else {
3979 ParentStyle::drawControl(ce, &mi, p, w);
3980 }
3981 }
3982
3983 p->setFont(oldFont);
3984
3985 return;
3986 }
3987 return;
3988
3989 case CE_MenuBarItem:
3990 if (const QStyleOptionMenuItem *m = qstyleoption_cast<const QStyleOptionMenuItem *>(opt)) {
3991 QStyleOptionMenuItem mi(*m);
3992 QRenderRule subRule = renderRule(w, opt, PseudoElement_Item);
3993 mi.rect = subRule.contentsRect(opt->rect);
3994 rule.configurePalette(&mi.palette, QPalette::ButtonText, QPalette::Button);
3995 subRule.configurePalette(&mi.palette, QPalette::ButtonText, QPalette::Button);
3996
3997 if (subRule.hasDrawable()) {
3998 subRule.drawRule(p, opt->rect);
3999 QCommonStyle::drawControl(ce, &mi, p, w); // deliberate bypass of the base
4000 } else {
4001 if (rule.hasDrawable() && !(opt->state & QStyle::State_Selected)) {
4002 // So that the menu bar background is not hidden by the items
4003 mi.palette.setColor(QPalette::Window, Qt::transparent);
4004 mi.palette.setColor(QPalette::Button, Qt::transparent);
4005 }
4006 baseStyle()->drawControl(ce, &mi, p, w);
4007 }
4008 }
4009 return;
4010
4011#if QT_CONFIG(combobox)
4012 case CE_ComboBoxLabel:
4013 if (!rule.hasDrawable())
4014 break;
4015 if (const QStyleOptionComboBox *cb = qstyleoption_cast<const QStyleOptionComboBox *>(opt)) {
4016 QRect editRect = subControlRect(CC_ComboBox, cb, SC_ComboBoxEditField, w);
4017 p->save();
4018 p->setClipRect(editRect);
4019 if (!cb->currentIcon.isNull()) {
4020 int spacing = rule.hasBox() ? rule.box()->spacing : -1;
4021 if (spacing == -1)
4022 spacing = 6;
4023 QIcon::Mode mode = cb->state & State_Enabled ? QIcon::Normal : QIcon::Disabled;
4024 const auto paintDeviceDpr = QStyleHelper::getDpr(p);
4025 QPixmap pixmap = cb->currentIcon.pixmap(cb->iconSize, paintDeviceDpr, mode);
4026 QRect iconRect(editRect);
4027 iconRect.setWidth(cb->iconSize.width());
4028 iconRect = alignedRect(cb->direction,
4029 Qt::AlignLeft | Qt::AlignVCenter,
4030 iconRect.size(), editRect);
4031 drawItemPixmap(p, iconRect, Qt::AlignCenter, pixmap);
4032
4033 if (cb->direction == Qt::RightToLeft)
4034 editRect.translate(-spacing - cb->iconSize.width(), 0);
4035 else
4036 editRect.translate(cb->iconSize.width() + spacing, 0);
4037 }
4038 if (!cb->currentText.isEmpty() && !cb->editable) {
4039 QPalette styledPalette(cb->palette);
4040 rule.configurePalette(&styledPalette, QPalette::Text, QPalette::Base);
4041 drawItemText(p, editRect.adjusted(0, 0, 0, 0), cb->textAlignment, styledPalette,
4042 cb->state & State_Enabled, cb->currentText, QPalette::Text);
4043 }
4044 p->restore();
4045 return;
4046 }
4047 break;
4048#endif // QT_CONFIG(combobox)
4049
4050 case CE_Header:
4051 if (hasStyleRule(w, PseudoElement_HeaderViewUpArrow)
4052 || hasStyleRule(w, PseudoElement_HeaderViewDownArrow)) {
4053 ParentStyle::drawControl(ce, opt, p, w);
4054 return;
4055 }
4056 if (hasStyleRule(w, PseudoElement_HeaderViewSection)) {
4057 QRenderRule subRule = renderRule(w, opt, PseudoElement_HeaderViewSection);
4058 if (!subRule.hasNativeBorder() || !subRule.baseStyleCanDraw()
4059 || subRule.hasBackground() || subRule.hasPalette() || subRule.hasFont || subRule.hasBorder()) {
4060 ParentStyle::drawControl(ce, opt, p, w);
4061 return;
4062 }
4063 }
4064 break;
4065 case CE_HeaderSection:
4066 if (const QStyleOptionHeader *header = qstyleoption_cast<const QStyleOptionHeader *>(opt)) {
4067 QRenderRule subRule = renderRule(w, opt, PseudoElement_HeaderViewSection);
4068 if (subRule.hasNativeBorder()) {
4069 QStyleOptionHeader hdr(*header);
4070 subRule.configurePalette(&hdr.palette, QPalette::ButtonText, QPalette::Button);
4071
4072 if (subRule.baseStyleCanDraw()) {
4073 baseStyle()->drawControl(CE_HeaderSection, &hdr, p, w);
4074 } else {
4075 QWindowsStyle::drawControl(CE_HeaderSection, &hdr, p, w);
4076 }
4077 } else {
4078 subRule.drawRule(p, opt->rect);
4079 }
4080 return;
4081 }
4082 break;
4083
4084 case CE_HeaderLabel:
4085 if (const QStyleOptionHeader *header = qstyleoption_cast<const QStyleOptionHeader *>(opt)) {
4086 // Save painter state
4087 QPainterStateGuard psGuard(p);
4088
4089 QStyleOptionHeaderV2 hdr;
4090 QStyleOptionHeader &v1Copy = hdr;
4091 if (auto v2 = qstyleoption_cast<const QStyleOptionHeaderV2 *>(header))
4092 hdr = *v2;
4093 else
4094 v1Copy = *header;
4095
4096 QRenderRule subRule = renderRule(w, opt, PseudoElement_HeaderViewSection);
4097 if (hasStyleRule(w, PseudoElement_HeaderViewUpArrow)
4098 || hasStyleRule(w, PseudoElement_HeaderViewDownArrow)) {
4099 if (hdr.sortIndicator != QStyleOptionHeader::None) {
4100 QRegion newClipRegion = QRegion(hdr.rect);
4101 const QRect arrowRect = subElementRect(SE_HeaderArrow, opt, w);
4102 const QRenderRule hrRule = renderRule(w, opt, PseudoElement_HeaderViewUpArrow);
4103 // Clip the text to avoid overlapping with the sort arrow if
4104 // the sort arrow is aligned to the right or left if horizontal
4105 // or top or bottom if vertical.
4106 if (hrRule.hasPosition()) {
4107 const auto position = hrRule.position()->position;
4108 if (hdr.orientation == Qt::Horizontal) {
4109 if (position & Qt::AlignLeft) {
4110 newClipRegion -= QRegion(arrowRect.x(), hdr.rect.y(),
4111 arrowRect.width(), hdr.rect.height());
4112 } else if (position & Qt::AlignRight) {
4113 newClipRegion -= QRegion(arrowRect.x(), hdr.rect.y(),
4114 arrowRect.width(), hdr.rect.height());
4115 }
4116 } else if (hdr.orientation == Qt::Vertical) {
4117 if (position & Qt::AlignTop) {
4118 newClipRegion -= QRegion(arrowRect.x(), hdr.rect.y(),
4119 hdr.rect.width(), arrowRect.height());
4120 } else if (position & Qt::AlignBottom) {
4121 newClipRegion -= QRegion(arrowRect.x(), arrowRect.y(),
4122 hdr.rect.width(), arrowRect.height());
4123 }
4124 }
4125 }
4126 p->setClipping(true);
4127 p->setClipRegion(newClipRegion);
4128 }
4129 }
4130
4131 subRule.configurePalette(&hdr.palette, QPalette::ButtonText, QPalette::Button);
4132
4133 if (subRule.hasFont) {
4134 p->setFont(subRule.font.resolve(p->font()));
4135 ParentStyle::drawControl(ce, &hdr, p, w);
4136 } else {
4137 baseStyle()->drawControl(ce, &hdr, p, w);
4138 }
4139 return;
4140 }
4141 break;
4142
4143 case CE_HeaderEmptyArea:
4144 if (rule.hasDrawable()) {
4145 return;
4146 }
4147 break;
4148
4149 case CE_ProgressBar:
4150 QWindowsStyle::drawControl(ce, opt, p, w);
4151 return;
4152
4153 case CE_ProgressBarGroove:
4154 if (!rule.hasNativeBorder()) {
4155 rule.drawRule(p, rule.boxRect(opt->rect, Margin));
4156 return;
4157 }
4158 break;
4159
4160 case CE_ProgressBarContents: {
4161 QRenderRule subRule = renderRule(w, opt, PseudoElement_ProgressBarChunk);
4162 if (subRule.hasDrawable()) {
4163 if (const QStyleOptionProgressBar *pb = qstyleoption_cast<const QStyleOptionProgressBar *>(opt)) {
4164 p->save();
4165 p->setClipRect(pb->rect);
4166
4167 qint64 minimum = qint64(pb->minimum);
4168 qint64 maximum = qint64(pb->maximum);
4169 qint64 progress = qint64(pb->progress);
4170 bool vertical = !(pb->state & QStyle::State_Horizontal);
4171 bool inverted = pb->invertedAppearance;
4172
4173 QTransform m;
4174 QRect rect = pb->rect;
4175 if (vertical) {
4176 rect = QRect(rect.y(), rect.x(), rect.height(), rect.width());
4177 m.rotate(90);
4178 m.translate(0, -(rect.height() + rect.y()*2));
4179 }
4180
4181 bool reverse = ((!vertical && (pb->direction == Qt::RightToLeft)) || vertical);
4182 if (inverted)
4183 reverse = !reverse;
4184 const bool indeterminate = pb->minimum == pb->maximum;
4185 const auto fillRatio = indeterminate ? 0.50 : double(progress - minimum) / (maximum - minimum);
4186 const auto fillWidth = static_cast<int>(rect.width() * fillRatio);
4187 int chunkWidth = fillWidth;
4188 if (subRule.hasContentsSize()) {
4189 QSize sz = subRule.size();
4190 chunkWidth = (opt->state & QStyle::State_Horizontal) ? sz.width() : sz.height();
4191 }
4192
4193 QRect r = rect;
4194#if QT_CONFIG(animation)
4195 Q_D(const QWindowsStyle);
4196#endif
4197 if (pb->minimum == 0 && pb->maximum == 0) {
4198 int chunkCount = fillWidth/chunkWidth;
4199 int offset = 0;
4200#if QT_CONFIG(animation)
4201 if (QProgressStyleAnimation *animation = qobject_cast<QProgressStyleAnimation*>(d->animation(opt->styleObject)))
4202 offset = animation->animationStep() * 8 % rect.width();
4203 else
4204 d->startAnimation(new QProgressStyleAnimation(d->animationFps, opt->styleObject));
4205#endif
4206 int x = reverse ? r.left() + r.width() - offset - chunkWidth : r.x() + offset;
4207 while (chunkCount > 0) {
4208 r.setRect(x, rect.y(), chunkWidth, rect.height());
4209 r = m.mapRect(QRectF(r)).toRect();
4210 subRule.drawRule(p, r);
4211 x += reverse ? -chunkWidth : chunkWidth;
4212 if (reverse ? x < rect.left() : x > rect.right())
4213 break;
4214 --chunkCount;
4215 }
4216
4217 r = rect;
4218 x = reverse ? r.right() - (r.left() - x - chunkWidth)
4219 : r.left() + (x - r.right() - chunkWidth);
4220 while (chunkCount > 0) {
4221 r.setRect(x, rect.y(), chunkWidth, rect.height());
4222 r = m.mapRect(QRectF(r)).toRect();
4223 subRule.drawRule(p, r);
4224 x += reverse ? -chunkWidth : chunkWidth;
4225 --chunkCount;
4226 };
4227 } else if (chunkWidth > 0) {
4228 const auto ceil = [](qreal x) { return int(x) + (x > 0 && x != int(x)); };
4229 const int chunkCount = ceil(qreal(fillWidth)/chunkWidth);
4230 int x = reverse ? r.left() + r.width() - chunkWidth : r.x();
4231
4232 for (int i = 0; i < chunkCount; ++i) {
4233 r.setRect(x, rect.y(), chunkWidth, rect.height());
4234 r = m.mapRect(QRectF(r)).toRect();
4235 subRule.drawRule(p, r);
4236 x += reverse ? -chunkWidth : chunkWidth;
4237 }
4238#if QT_CONFIG(animation)
4239 d->stopAnimation(opt->styleObject);
4240#endif
4241 }
4242
4243 p->restore();
4244 return;
4245 }
4246 }
4247 }
4248 break;
4249
4250 case CE_ProgressBarLabel:
4251 if (const QStyleOptionProgressBar *pb = qstyleoption_cast<const QStyleOptionProgressBar *>(opt)) {
4252 if (rule.hasBox() || rule.hasBorder() || hasStyleRule(w, PseudoElement_ProgressBarChunk)) {
4253 drawItemText(p, pb->rect, pb->textAlignment | Qt::TextSingleLine, pb->palette,
4254 pb->state & State_Enabled, pb->text, QPalette::Text);
4255 } else {
4256 QStyleOptionProgressBar pbCopy(*pb);
4257 rule.configurePalette(&pbCopy.palette, QPalette::HighlightedText, QPalette::Highlight);
4258 baseStyle()->drawControl(ce, &pbCopy, p, w);
4259 }
4260 return;
4261 }
4262 break;
4263
4264 case CE_SizeGrip:
4265 if (const QStyleOptionSizeGrip *sgOpt = qstyleoption_cast<const QStyleOptionSizeGrip *>(opt)) {
4266 if (rule.hasDrawable()) {
4267 rule.drawFrame(p, opt->rect);
4268 p->save();
4269 static constexpr int rotation[] = { 180, 270, 90, 0 };
4270 if (rotation[sgOpt->corner]) {
4271 p->translate(opt->rect.center());
4272 p->rotate(rotation[sgOpt->corner]);
4273 p->translate(-opt->rect.center());
4274 }
4275 rule.drawImage(p, opt->rect);
4276 p->restore();
4277 } else {
4278 QStyleOptionSizeGrip sg(*sgOpt);
4279 sg.rect = rule.contentsRect(opt->rect);
4280 baseStyle()->drawControl(CE_SizeGrip, &sg, p, w);
4281 }
4282 return;
4283 }
4284 break;
4285
4286 case CE_ToolBoxTab:
4287 QWindowsStyle::drawControl(ce, opt, p, w);
4288 return;
4289
4290 case CE_ToolBoxTabShape: {
4291 QRenderRule subRule = renderRule(w, opt, PseudoElement_ToolBoxTab);
4292 if (subRule.hasDrawable()) {
4293 subRule.drawRule(p, opt->rect);
4294 return;
4295 }
4296 }
4297 break;
4298
4299 case CE_ToolBoxTabLabel:
4300 if (const QStyleOptionToolBox *box = qstyleoption_cast<const QStyleOptionToolBox *>(opt)) {
4301 QStyleOptionToolBox boxCopy(*box);
4302 QRenderRule subRule = renderRule(w, opt, PseudoElement_ToolBoxTab);
4303 subRule.configurePalette(&boxCopy.palette, QPalette::ButtonText, QPalette::Button);
4304 QFont oldFont = p->font();
4305 if (subRule.hasFont)
4306 p->setFont(subRule.font.resolve(p->font()));
4307 boxCopy.rect = subRule.contentsRect(opt->rect);
4308 if (subRule.hasImage()) {
4309 // the image is already drawn with CE_ToolBoxTabShape, adjust rect here
4310 const int iconExtent = proxy()->pixelMetric(QStyle::PM_SmallIconSize, box, w);
4311 boxCopy.rect.setLeft(boxCopy.rect.left() + iconExtent);
4312 }
4313 QWindowsStyle::drawControl(ce, &boxCopy, p , w);
4314 if (subRule.hasFont)
4315 p->setFont(oldFont);
4316 return;
4317 }
4318 break;
4319
4320 case CE_ScrollBarAddPage:
4321 pe1 = PseudoElement_ScrollBarAddPage;
4322 break;
4323
4324 case CE_ScrollBarSubPage:
4325 pe1 = PseudoElement_ScrollBarSubPage;
4326 break;
4327
4328 case CE_ScrollBarAddLine:
4329 pe1 = PseudoElement_ScrollBarAddLine;
4330 pe2 = (opt->state & QStyle::State_Horizontal) ? PseudoElement_ScrollBarRightArrow : PseudoElement_ScrollBarDownArrow;
4331 fallback = true;
4332 break;
4333
4334 case CE_ScrollBarSubLine:
4335 pe1 = PseudoElement_ScrollBarSubLine;
4336 pe2 = (opt->state & QStyle::State_Horizontal) ? PseudoElement_ScrollBarLeftArrow : PseudoElement_ScrollBarUpArrow;
4337 fallback = true;
4338 break;
4339
4340 case CE_ScrollBarFirst:
4341 pe1 = PseudoElement_ScrollBarFirst;
4342 break;
4343
4344 case CE_ScrollBarLast:
4345 pe1 = PseudoElement_ScrollBarLast;
4346 break;
4347
4348 case CE_ScrollBarSlider:
4349 pe1 = PseudoElement_ScrollBarSlider;
4350 fallback = true;
4351 break;
4352
4353#if QT_CONFIG(itemviews)
4354 case CE_ItemViewItem:
4355 if (const QStyleOptionViewItem *vopt = qstyleoption_cast<const QStyleOptionViewItem *>(opt)) {
4356 QRenderRule subRule = renderRule(w, opt, PseudoElement_ViewItem);
4357 QStyleOptionViewItem optCopy(*vopt);
4358 if (subRule.hasDrawable()) {
4359 subRule.configurePalette(&optCopy.palette, vopt->state & QStyle::State_Selected ? QPalette::HighlightedText : QPalette::Text,
4360 vopt->state & QStyle::State_Selected ? QPalette::Highlight : QPalette::Base);
4361 QWindowsStyle::drawControl(ce, &optCopy, p, w);
4362 } else {
4363 p->save();
4364 if (hasStyleRule(w, PseudoElement_Indicator)) {
4365 // there is a rule for the indicator, but no rule for the item itself (otherwise
4366 // the previous path would have been taken); only draw the indicator using the
4367 // rule (via QWindows/QCommonStyle), then let the base style handle the rest.
4368 QStyleOptionViewItem optIndicator(*vopt);
4369 subRule.configurePalette(&optIndicator.palette,
4370 vopt->state & QStyle::State_Selected
4371 ? QPalette::HighlightedText
4372 : QPalette::Text,
4373 vopt->state & QStyle::State_Selected
4374 ? QPalette::Highlight
4375 : QPalette::Base);
4376 // only draw the indicator; no text, icon or background
4377 optIndicator.backgroundBrush = Qt::NoBrush; // no background
4378 optIndicator.text.clear();
4379 optIndicator.icon = QIcon();
4380 QWindowsStyle::drawControl(ce, &optIndicator, p, w);
4381
4382 // Now draw text, background,icon, and highlight, but not the indicator with
4383 // the base style. Since we can't turn off HasCheckIndicator to prevent the base
4384 // style from drawing the check indicator again (it would change how the item
4385 // gets laid out) we have to clip the indicator that's already been painted.
4386 const QRect crStyle = subElementRect(QStyle::SE_ItemViewItemCheckIndicator,
4387 &optIndicator, w);
4388 const QRect crBase = baseStyle()->subElementRect(QStyle::SE_ItemViewItemCheckIndicator,
4389 &optIndicator, w);
4390 const QRegion clipRegion = QRegion(p->hasClipping() ? p->clipRegion()
4391 : QRegion(optIndicator.rect))
4392 - crStyle.united(crBase);
4393 p->setClipRegion(clipRegion);
4394 }
4395 subRule.configurePalette(&optCopy.palette, QPalette::Text, QPalette::NoRole);
4396 QStyleSheetProxySaver proxySaver(this);
4397 baseStyle()->drawControl(ce, &optCopy, p, w);
4398 p->restore();
4399 }
4400 return;
4401 }
4402 break;
4403#endif // QT_CONFIG(itemviews)
4404
4405#if QT_CONFIG(tabbar)
4406 case CE_TabBarTab:
4407 if (hasStyleRule(w, PseudoElement_TabBarTab)) {
4408 QWindowsStyle::drawControl(ce, opt, p, w);
4409 return;
4410 }
4411 break;
4412
4413 case CE_TabBarTabLabel:
4414 case CE_TabBarTabShape:
4415 if (const QStyleOptionTab *tab = qstyleoption_cast<const QStyleOptionTab *>(opt)) {
4416 const auto foregroundRole = w ? w->foregroundRole() : QPalette::WindowText;
4417 QRenderRule subRule = renderRule(w, opt, PseudoElement_TabBarTab);
4418 QRect r = positionRect(w, subRule, PseudoElement_TabBarTab, opt->rect, opt->direction);
4419 if (ce == CE_TabBarTabShape && subRule.hasDrawable() && tab->shape < QTabBar::TriangularNorth) {
4420 subRule.drawRule(p, r);
4421 return;
4422 }
4423 QStyleOptionTab tabCopy(*tab);
4424 subRule.configurePalette(&tabCopy.palette, foregroundRole, QPalette::Base);
4425 QFont oldFont = p->font();
4426 if (subRule.hasFont)
4427 p->setFont(subRule.font.resolve(p->font()));
4428 if (subRule.hasBox() || !subRule.hasNativeBorder()) {
4429 tabCopy.rect = ce == CE_TabBarTabShape ? subRule.borderRect(r)
4430 : subRule.contentsRect(r);
4431 QWindowsStyle::drawControl(ce, &tabCopy, p, w);
4432 } else {
4433 baseStyle()->drawControl(ce, &tabCopy, p, w);
4434 }
4435 if (subRule.hasFont)
4436 p->setFont(oldFont);
4437
4438 return;
4439 }
4440 break;
4441#endif // QT_CONFIG(tabbar)
4442
4443 case CE_ColumnViewGrip:
4444 if (rule.hasDrawable()) {
4445 rule.drawRule(p, opt->rect);
4446 return;
4447 }
4448 break;
4449
4450 case CE_DockWidgetTitle:
4451 if (const QStyleOptionDockWidget *dwOpt = qstyleoption_cast<const QStyleOptionDockWidget *>(opt)) {
4452 QRenderRule subRule = renderRule(w, opt, PseudoElement_DockWidgetTitle);
4453 if (!subRule.hasDrawable() && !subRule.hasPosition())
4454 break;
4455 if (subRule.hasDrawable()) {
4456 subRule.drawRule(p, opt->rect);
4457 } else {
4458 QStyleOptionDockWidget dwCopy(*dwOpt);
4459 dwCopy.title = QString();
4460 baseStyle()->drawControl(ce, &dwCopy, p, w);
4461 }
4462
4463 if (!dwOpt->title.isEmpty()) {
4464 QRect r = subElementRect(SE_DockWidgetTitleBarText, opt, w);
4465 if (dwOpt->verticalTitleBar) {
4466 r = r.transposed();
4467 p->save();
4468 p->translate(r.left(), r.top() + r.width());
4469 p->rotate(-90);
4470 p->translate(-r.left(), -r.top());
4471 }
4472 r = subRule.contentsRect(r);
4473
4474 Qt::Alignment alignment;
4475 if (subRule.hasPosition())
4476 alignment = subRule.position()->textAlignment;
4477 if (alignment == 0)
4478 alignment = Qt::AlignLeft;
4479
4480 QString titleText = p->fontMetrics().elidedText(dwOpt->title, Qt::ElideRight, r.width());
4481 drawItemText(p, r,
4482 alignment | Qt::TextHideMnemonic, dwOpt->palette,
4483 dwOpt->state & State_Enabled, titleText,
4484 QPalette::WindowText);
4485
4486 if (dwOpt->verticalTitleBar)
4487 p->restore();
4488 }
4489
4490 return;
4491 }
4492 break;
4493 case CE_ShapedFrame:
4494 if (const QStyleOptionFrame *frm = qstyleoption_cast<const QStyleOptionFrame *>(opt)) {
4495 if (rule.hasNativeBorder()) {
4496 QStyleOptionFrame frmOpt(*frm);
4497 rule.configurePalette(&frmOpt.palette, QPalette::Text, QPalette::Base);
4498 frmOpt.rect = rule.borderRect(frmOpt.rect);
4499 baseStyle()->drawControl(ce, &frmOpt, p, w);
4500 }
4501 // else, borders are already drawn in PE_Widget
4502 }
4503 return;
4504
4505
4506 default:
4507 break;
4508 }
4509
4510 if (pe1 != PseudoElement_None) {
4511 QRenderRule subRule = renderRule(w, opt, pe1);
4512 if (subRule.bg != nullptr || subRule.hasDrawable()) {
4513 //We test subRule.bg directly because hasBackground() would return false for background:none.
4514 //But we still don't want the default drawning in that case (example for QScrollBar::add-page) (task 198926)
4515 subRule.drawRule(p, opt->rect);
4516 } else if (fallback) {
4517 QWindowsStyle::drawControl(ce, opt, p, w);
4518 pe2 = PseudoElement_None;
4519 } else {
4520 baseStyle()->drawControl(ce, opt, p, w);
4521 }
4522 if (pe2 != PseudoElement_None) {
4523 QRenderRule subSubRule = renderRule(w, opt, pe2);
4524 QRect r = positionRect(w, subRule, subSubRule, pe2, opt->rect, opt->direction);
4525 subSubRule.drawRule(p, r);
4526 }
4527 return;
4528 }
4529
4530 baseStyle()->drawControl(ce, opt, p, w);
4531}
4532
4533void QStyleSheetStyle::drawItemPixmap(QPainter *p, const QRect &rect, int alignment, const
4534 QPixmap &pixmap) const
4535{
4536 baseStyle()->drawItemPixmap(p, rect, alignment, pixmap);
4537}
4538
4539void QStyleSheetStyle::drawItemText(QPainter *painter, const QRect& rect, int alignment, const QPalette &pal,
4540 bool enabled, const QString& text, QPalette::ColorRole textRole) const
4541{
4542 baseStyle()->drawItemText(painter, rect, alignment, pal, enabled, text, textRole);
4543}
4544
4545void QStyleSheetStyle::drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, QPainter *p,
4546 const QWidget *w) const
4547{
4548 RECURSION_GUARD(baseStyle()->drawPrimitive(pe, opt, p, w); return)
4549
4550 int pseudoElement = PseudoElement_None;
4551 QRenderRule rule = renderRule(w, opt);
4552 QRect rect = opt->rect;
4553
4554 switch (pe) {
4555
4556 case PE_FrameStatusBarItem: {
4557 QRenderRule subRule = renderRule(w ? w->parentWidget() : nullptr, opt, PseudoElement_Item);
4558 if (subRule.hasDrawable()) {
4559 subRule.drawRule(p, opt->rect);
4560 return;
4561 }
4562 break;
4563 }
4564
4565 case PE_IndicatorArrowDown:
4566 pseudoElement = PseudoElement_DownArrow;
4567 break;
4568
4569 case PE_IndicatorArrowUp:
4570 pseudoElement = PseudoElement_UpArrow;
4571 break;
4572
4573 case PE_IndicatorRadioButton:
4574 pseudoElement = PseudoElement_ExclusiveIndicator;
4575 break;
4576
4577 case PE_IndicatorItemViewItemCheck:
4578 pseudoElement = PseudoElement_ViewItemIndicator;
4579 break;
4580
4581 case PE_IndicatorCheckBox:
4582 pseudoElement = PseudoElement_Indicator;
4583 break;
4584
4585 case PE_IndicatorHeaderArrow:
4586 if (const QStyleOptionHeader *hdr = qstyleoption_cast<const QStyleOptionHeader *>(opt)) {
4587 pseudoElement = hdr->sortIndicator == QStyleOptionHeader::SortUp
4588 ? PseudoElement_HeaderViewUpArrow
4589 : PseudoElement_HeaderViewDownArrow;
4590 }
4591 break;
4592
4593 case PE_PanelButtonTool:
4594 case PE_PanelButtonCommand:
4595#if QT_CONFIG(abstractbutton)
4596 if (qobject_cast<const QAbstractButton *>(w) && rule.hasBackground() && rule.hasNativeBorder()) {
4597 //the window style will draw the borders
4598 ParentStyle::drawPrimitive(pe, opt, p, w);
4599 if (!rule.background()->pixmap.isNull() || rule.hasImage()) {
4600 rule.drawRule(p, rule.boxRect(opt->rect, QRenderRule::Margin).adjusted(1,1,-1,-1));
4601 }
4602 return;
4603 }
4604#endif
4605 if (!rule.hasNativeBorder()) {
4606 rule.drawRule(p, rule.boxRect(opt->rect, QRenderRule::Margin));
4607 return;
4608 }
4609 break;
4610
4611 case PE_IndicatorButtonDropDown: {
4612 QRenderRule subRule = renderRule(w, opt, PseudoElement_ToolButtonMenu);
4613 if (!subRule.hasNativeBorder()) {
4614 rule.drawBorder(p, opt->rect);
4615 return;
4616 }
4617 break;
4618 }
4619
4620 case PE_FrameDefaultButton:
4621 if (rule.hasNativeBorder()) {
4622 if (rule.baseStyleCanDraw())
4623 break;
4624 QWindowsStyle::drawPrimitive(pe, opt, p, w);
4625 }
4626 return;
4627
4628 case PE_FrameWindow:
4629 case PE_FrameDockWidget:
4630 case PE_Frame:
4631 if (const QStyleOptionFrame *frm = qstyleoption_cast<const QStyleOptionFrame *>(opt)) {
4632 if (rule.hasNativeBorder()) {
4633 QStyleOptionFrame frmOpt(*frm);
4634 rule.configurePalette(&frmOpt.palette, QPalette::Text, QPalette::Base);
4635 baseStyle()->drawPrimitive(pe, &frmOpt, p, w);
4636 } else {
4637 rule.drawBorder(p, rule.borderRect(opt->rect));
4638 }
4639 }
4640 return;
4641
4642 case PE_PanelLineEdit:
4643 if (const QStyleOptionFrame *frm = qstyleoption_cast<const QStyleOptionFrame *>(opt)) {
4644 // Fall back to container widget's render rule
4645 if (w) {
4646 if (QWidget *container = containerWidget(w); container != w) {
4647 QRenderRule containerRule = renderRule(container, opt);
4648 if (!containerRule.hasNativeBorder() || !containerRule.baseStyleCanDraw())
4649 return;
4650 rule = containerRule;
4651 }
4652 }
4653
4654 if (rule.hasNativeBorder()) {
4655 QStyleOptionFrame frmOpt(*frm);
4656 rule.configurePalette(&frmOpt.palette, QPalette::Text, QPalette::Base);
4657 frmOpt.rect = rule.borderRect(frmOpt.rect);
4658 if (rule.baseStyleCanDraw()) {
4659 rule.drawBackgroundImage(p, opt->rect);
4660 baseStyle()->drawPrimitive(pe, &frmOpt, p, w);
4661 } else {
4662 rule.drawBackground(p, opt->rect);
4663 if (frmOpt.lineWidth > 0)
4664 baseStyle()->drawPrimitive(PE_FrameLineEdit, &frmOpt, p, w);
4665 }
4666 } else {
4667 rule.drawRule(p, opt->rect);
4668 }
4669 }
4670 return;
4671
4672 case PE_Widget:
4673 if (w && !rule.hasDrawable()) {
4674 QWidget *container = containerWidget(w);
4675 if (styleSheetCaches->autoFillDisabledWidgets.contains(container)
4676 && (container == w || !renderRule(container, opt).hasBackground())) {
4677 //we do not have a background, but we disabled the autofillbackground anyway. so fill the background now.
4678 // (this may happen if we have rules like :focus)
4679 p->fillRect(opt->rect, opt->palette.brush(w->backgroundRole()));
4680 }
4681 break;
4682 }
4683#if QT_CONFIG(scrollarea)
4684 if (const QAbstractScrollArea *sa = qobject_cast<const QAbstractScrollArea *>(w)) {
4685 const QAbstractScrollAreaPrivate *sap = sa->d_func();
4686 bool callBaseClass = true;
4687 if (rule.hasBackground()) {
4688 if (rule.baseStyleCanDraw())
4689 baseStyle()->drawPrimitive(pe, opt, p, w);
4690 else
4691 rule.drawBackground(p, opt->rect, sap->contentsOffset());
4692 callBaseClass = false;
4693 }
4694 if (rule.hasBorder()) {
4695 QRect brect = rule.borderRect(opt->rect);
4696 if (styleHint(QStyle::SH_ScrollView_FrameOnlyAroundContents, opt, w)) {
4697 QRect r = brect.adjusted(0, 0, sa->verticalScrollBar()->isVisible() ? -sa->verticalScrollBar()->width() : 0,
4698 sa->horizontalScrollBar()->isVisible() ? -sa->horizontalScrollBar()->height() : 0);
4699 brect = QStyle::visualRect(opt->direction, brect, r);
4700 }
4701 rule.drawBorder(p, brect);
4702 callBaseClass = false;
4703 }
4704 if (!callBaseClass)
4705 return;
4706 break;
4707 }
4708#endif
4709 Q_FALLTHROUGH();
4710 case PE_PanelMenu:
4711 case PE_PanelStatusBar:
4712 if (rule.hasDrawable()) {
4713 rule.drawRule(p, opt->rect);
4714 return;
4715 }
4716 break;
4717
4718 case PE_FrameMenu:
4719 if (rule.hasDrawable()) {
4720 // Drawn by PE_PanelMenu
4721 return;
4722 }
4723 break;
4724
4725 case PE_PanelMenuBar:
4726 if (rule.hasDrawable()) {
4727 // Drawn by PE_Widget
4728 return;
4729 }
4730 break;
4731
4732 case PE_IndicatorToolBarSeparator:
4733 case PE_IndicatorToolBarHandle: {
4734 PseudoElement ps = pe == PE_IndicatorToolBarHandle ? PseudoElement_ToolBarHandle : PseudoElement_ToolBarSeparator;
4735 QRenderRule subRule = renderRule(w, opt, ps);
4736 if (subRule.hasDrawable()) {
4737 subRule.drawRule(p, opt->rect);
4738 return;
4739 }
4740 }
4741 break;
4742
4743 case PE_IndicatorMenuCheckMark:
4744 pseudoElement = PseudoElement_MenuCheckMark;
4745 break;
4746
4747 case PE_IndicatorArrowLeft:
4748 pseudoElement = PseudoElement_LeftArrow;
4749 break;
4750
4751 case PE_IndicatorArrowRight:
4752 pseudoElement = PseudoElement_RightArrow;
4753 break;
4754
4755 case PE_IndicatorColumnViewArrow:
4756#if QT_CONFIG(itemviews)
4757 if (const QStyleOptionViewItem *viewOpt = qstyleoption_cast<const QStyleOptionViewItem *>(opt)) {
4758 bool reverse = (viewOpt->direction == Qt::RightToLeft);
4759 pseudoElement = reverse ? PseudoElement_LeftArrow : PseudoElement_RightArrow;
4760 } else
4761#endif
4762 {
4763 pseudoElement = PseudoElement_RightArrow;
4764 }
4765 break;
4766
4767#if QT_CONFIG(itemviews)
4768 case PE_IndicatorBranch:
4769 if (const QStyleOptionViewItem *vopt = qstyleoption_cast<const QStyleOptionViewItem *>(opt)) {
4770 QRenderRule subRule = renderRule(w, opt, PseudoElement_TreeViewBranch);
4771 if (subRule.hasDrawable()) {
4772 proxy()->drawPrimitive(PE_PanelItemViewRow, vopt, p, w);
4773 subRule.drawRule(p, opt->rect);
4774 } else {
4775 baseStyle()->drawPrimitive(pe, vopt, p, w);
4776 }
4777 }
4778 return;
4779#endif // QT_CONFIG(itemviews)
4780
4781 case PE_PanelTipLabel:
4782 if (!rule.hasDrawable())
4783 break;
4784
4785 if (const QStyleOptionFrame *frmOpt = qstyleoption_cast<const QStyleOptionFrame *>(opt)) {
4786 if (rule.hasNativeBorder()) {
4787 rule.drawBackground(p, opt->rect);
4788 QStyleOptionFrame optCopy(*frmOpt);
4789 optCopy.rect = rule.borderRect(opt->rect);
4790 optCopy.palette.setBrush(QPalette::Window, Qt::NoBrush); // oh dear
4791 baseStyle()->drawPrimitive(pe, &optCopy, p, w);
4792 } else {
4793 rule.drawRule(p, opt->rect);
4794 }
4795 }
4796 return;
4797
4798 case PE_FrameGroupBox:
4799 if (rule.hasNativeBorder())
4800 break;
4801 rule.drawBorder(p, opt->rect);
4802 return;
4803
4804#if QT_CONFIG(tabwidget)
4805 case PE_FrameTabWidget:
4806 if (const QStyleOptionTabWidgetFrame *frm = qstyleoption_cast<const QStyleOptionTabWidgetFrame *>(opt)) {
4807 QRenderRule subRule = renderRule(w, opt, PseudoElement_TabWidgetPane);
4808 if (subRule.hasNativeBorder()) {
4809 subRule.drawBackground(p, opt->rect);
4810 QStyleOptionTabWidgetFrame frmCopy(*frm);
4811 subRule.configurePalette(&frmCopy.palette, QPalette::WindowText, QPalette::Window);
4812 baseStyle()->drawPrimitive(pe, &frmCopy, p, w);
4813 } else {
4814 subRule.drawRule(p, opt->rect);
4815 }
4816 return;
4817 }
4818 break;
4819#endif // QT_CONFIG(tabwidget)
4820
4821 case PE_IndicatorProgressChunk:
4822 pseudoElement = PseudoElement_ProgressBarChunk;
4823 break;
4824
4825 case PE_IndicatorTabTear:
4826 pseudoElement = PseudoElement_TabBarTear;
4827 break;
4828
4829 case PE_FrameFocusRect:
4830 if (!rule.hasNativeOutline()) {
4831 rule.drawOutline(p, opt->rect);
4832 return;
4833 }
4834 break;
4835
4836 case PE_IndicatorDockWidgetResizeHandle:
4837 pseudoElement = PseudoElement_DockWidgetSeparator;
4838 break;
4839
4840 case PE_PanelItemViewRow:
4841 // For compatibility reasons, QTreeView draws different parts of
4842 // the background of an item row separately, before calling the
4843 // delegate to draw the item. The row background of an item is
4844 // however not separately styleable through a style sheet, but
4845 // only indirectly through the background of the item. To get the
4846 // same background for all parts drawn by QTreeView, we have to
4847 // use the background rule for the item here.
4848 if (const QStyleOptionViewItem *vopt = qstyleoption_cast<const QStyleOptionViewItem *>(opt)) {
4849 // default handling for drawing empty space
4850 if (vopt->viewItemPosition == QStyleOptionViewItem::Invalid)
4851 break;
4852 if (QRenderRule rule = renderRule(w, opt, PseudoElement_ViewItem); rule.hasBackground()) {
4853 // if the item background is not fully opaque, then we have to paint the row
4854 if (rule.background()->brush.color().alpha() != 1.0)
4855 baseStyle()->drawPrimitive(pe, opt, p, w);
4856 // Skip border for the branch and draw only the brackground
4857 if (vopt->features & QStyleOptionViewItem::IsDecorationForRootColumn &&
4858 (vopt->viewItemPosition == QStyleOptionViewItem::Beginning ||
4859 vopt->viewItemPosition == QStyleOptionViewItem::OnlyOne) && rule.hasBorder()) {
4860 if (rule.hasDrawable()) {
4861 rule.drawBackground(p, rect);
4862 rule.drawImage(p, rule.contentsRect(rect));
4863 } else {
4864 baseStyle()->drawPrimitive(pe, opt, p, w);
4865 }
4866 return;
4867 }
4868 pseudoElement = PseudoElement_ViewItem;
4869 }
4870 }
4871 break;
4872 case PE_PanelItemViewItem:
4873 pseudoElement = PseudoElement_ViewItem;
4874 break;
4875
4876 case PE_PanelScrollAreaCorner:
4877 pseudoElement = PseudoElement_ScrollAreaCorner;
4878 break;
4879
4880 case PE_IndicatorSpinDown:
4881 case PE_IndicatorSpinMinus:
4882 pseudoElement = PseudoElement_SpinBoxDownArrow;
4883 break;
4884
4885 case PE_IndicatorSpinUp:
4886 case PE_IndicatorSpinPlus:
4887 pseudoElement = PseudoElement_SpinBoxUpArrow;
4888 break;
4889#if QT_CONFIG(tabbar)
4890 case PE_IndicatorTabClose:
4891 if (w) {
4892 // QMacStyle needs a real widget, not its parent - to implement
4893 // 'document mode' properly, drawing nothing if a tab is not hovered.
4894 baseStyle()->setProperty("_q_styleSheetRealCloseButton", QVariant::fromValue((void *)w));
4895 w = w->parentWidget(); //match on the QTabBar instead of the CloseButton
4896 }
4897 pseudoElement = PseudoElement_TabBarTabCloseButton;
4898 break;
4899#endif
4900
4901 default:
4902 break;
4903 }
4904
4905 if (pseudoElement != PseudoElement_None) {
4906 QRenderRule subRule = renderRule(w, opt, pseudoElement);
4907 if (subRule.hasDrawable()) {
4908 subRule.drawRule(p, rect);
4909 } else {
4910 baseStyle()->drawPrimitive(pe, opt, p, w);
4911 }
4912 } else {
4913 baseStyle()->drawPrimitive(pe, opt, p, w);
4914 }
4915
4916 if (baseStyle()->property("_q_styleSheetRealCloseButton").toBool())
4917 baseStyle()->setProperty("_q_styleSheetRealCloseButton", QVariant());
4918}
4919
4920QPixmap QStyleSheetStyle::generatedIconPixmap(QIcon::Mode iconMode, const QPixmap& pixmap,
4921 const QStyleOption *option) const
4922{
4923 return baseStyle()->generatedIconPixmap(iconMode, pixmap, option);
4924}
4925
4926QStyle::SubControl QStyleSheetStyle::hitTestComplexControl(ComplexControl cc, const QStyleOptionComplex *opt,
4927 const QPoint &pt, const QWidget *w) const
4928{
4929 RECURSION_GUARD(return baseStyle()->hitTestComplexControl(cc, opt, pt, w))
4930 switch (cc) {
4931 case CC_TitleBar:
4932 if (const QStyleOptionTitleBar *tb = qstyleoption_cast<const QStyleOptionTitleBar *>(opt)) {
4933 QRenderRule rule = renderRule(w, opt, PseudoElement_TitleBar);
4934 if (rule.hasDrawable() || rule.hasBox() || rule.hasBorder()) {
4935 QHash<QStyle::SubControl, QRect> layout = titleBarLayout(w, tb);
4936 QRect r;
4937 QStyle::SubControl sc = QStyle::SC_None;
4938 uint ctrl = SC_TitleBarSysMenu;
4939 while (ctrl <= SC_TitleBarLabel) {
4940 r = layout[QStyle::SubControl(ctrl)];
4941 if (r.isValid() && r.contains(pt)) {
4942 sc = QStyle::SubControl(ctrl);
4943 break;
4944 }
4945 ctrl <<= 1;
4946 }
4947 return sc;
4948 }
4949 }
4950 break;
4951
4952 case CC_MdiControls:
4953 if (hasStyleRule(w, PseudoElement_MdiCloseButton)
4954 || hasStyleRule(w, PseudoElement_MdiNormalButton)
4955 || hasStyleRule(w, PseudoElement_MdiMinButton))
4956 return QWindowsStyle::hitTestComplexControl(cc, opt, pt, w);
4957 break;
4958
4959 case CC_ScrollBar: {
4960 QRenderRule rule = renderRule(w, opt);
4961 if (!rule.hasDrawable() && !rule.hasBox())
4962 break;
4963 }
4964 Q_FALLTHROUGH();
4965 case CC_SpinBox:
4966 case CC_GroupBox:
4967 case CC_ComboBox:
4968 case CC_Slider:
4969 case CC_ToolButton:
4970 return QWindowsStyle::hitTestComplexControl(cc, opt, pt, w);
4971 default:
4972 break;
4973 }
4974
4975 return baseStyle()->hitTestComplexControl(cc, opt, pt, w);
4976}
4977
4978QRect QStyleSheetStyle::itemPixmapRect(const QRect &rect, int alignment, const QPixmap &pixmap) const
4979{
4980 return baseStyle()->itemPixmapRect(rect, alignment, pixmap);
4981}
4982
4983QRect QStyleSheetStyle::itemTextRect(const QFontMetrics &metrics, const QRect& rect, int alignment,
4984 bool enabled, const QString& text) const
4985{
4986 return baseStyle()->itemTextRect(metrics, rect, alignment, enabled, text);
4987}
4988
4989int QStyleSheetStyle::pixelMetric(PixelMetric m, const QStyleOption *opt, const QWidget *w) const
4990{
4991 RECURSION_GUARD(return baseStyle()->pixelMetric(m, opt, w))
4992
4993 QRenderRule rule = renderRule(w, opt);
4994 QRenderRule subRule;
4995
4996 switch (m) {
4997 case PM_MenuButtonIndicator:
4998#if QT_CONFIG(toolbutton)
4999 // QToolButton adds this directly to the width
5000 if (qobject_cast<const QToolButton *>(w)) {
5001 if (rule.hasBox() || !rule.hasNativeBorder())
5002 return 0;
5003 if (const auto *tbOpt = qstyleoption_cast<const QStyleOptionToolButton*>(opt)) {
5004 if (tbOpt->features & QStyleOptionToolButton::MenuButtonPopup)
5005 subRule = renderRule(w, opt, PseudoElement_ToolButtonMenu);
5006 else
5007 subRule = renderRule(w, opt, PseudoElement_ToolButtonMenuIndicator);
5008 if (subRule.hasContentsSize())
5009 return subRule.size().width();
5010 }
5011 break;
5012 }
5013#endif
5014 subRule = renderRule(w, opt, PseudoElement_PushButtonMenuIndicator);
5015 if (subRule.hasContentsSize())
5016 return subRule.size().width();
5017 break;
5018
5019 case PM_ButtonShiftHorizontal:
5020 case PM_ButtonShiftVertical:
5021 case PM_ButtonMargin:
5022 case PM_ButtonDefaultIndicator:
5023 if (rule.hasBox())
5024 return 0;
5025 break;
5026
5027 case PM_DefaultFrameWidth:
5028 if (!rule.hasNativeBorder())
5029 return rule.border()->borders[LeftEdge];
5030 break;
5031
5032 case PM_ExclusiveIndicatorWidth:
5033 case PM_IndicatorWidth:
5034 case PM_ExclusiveIndicatorHeight:
5035 case PM_IndicatorHeight:
5036 subRule = renderRule(w, opt, PseudoElement_Indicator);
5037 if (subRule.hasContentsSize()) {
5038 return (m == PM_ExclusiveIndicatorWidth) || (m == PM_IndicatorWidth)
5039 ? subRule.size().width() : subRule.size().height();
5040 }
5041 break;
5042
5043 case PM_DockWidgetFrameWidth:
5044 case PM_ToolTipLabelFrameWidth: // border + margin + padding (support only one width)
5045 if (!rule.hasDrawable())
5046 break;
5047
5048 return (rule.border() ? rule.border()->borders[LeftEdge] : 0)
5049 + (rule.hasBox() ? rule.box()->margins[LeftEdge] + rule.box()->paddings[LeftEdge]: 0);
5050
5051 case PM_ToolBarFrameWidth:
5052 if (rule.hasBorder() || rule.hasBox())
5053 return (rule.border() ? rule.border()->borders[LeftEdge] : 0)
5054 + (rule.hasBox() ? rule.box()->paddings[LeftEdge]: 0);
5055 break;
5056
5057 case PM_MenuPanelWidth:
5058 case PM_MenuBarPanelWidth:
5059 if (rule.hasBorder() || rule.hasBox())
5060 return (rule.border() ? rule.border()->borders[LeftEdge] : 0)
5061 + (rule.hasBox() ? rule.box()->margins[LeftEdge]: 0);
5062 break;
5063
5064
5065 case PM_MenuHMargin:
5066 case PM_MenuBarHMargin:
5067 if (rule.hasBox())
5068 return rule.box()->paddings[LeftEdge];
5069 break;
5070
5071 case PM_MenuVMargin:
5072 case PM_MenuBarVMargin:
5073 if (rule.hasBox())
5074 return rule.box()->paddings[TopEdge];
5075 break;
5076
5077 case PM_DockWidgetTitleBarButtonMargin:
5078 case PM_ToolBarItemMargin:
5079 if (rule.hasBox())
5080 return rule.box()->margins[TopEdge];
5081 break;
5082
5083 case PM_ToolBarItemSpacing:
5084 case PM_MenuBarItemSpacing:
5085 if (rule.hasBox() && rule.box()->spacing != -1)
5086 return rule.box()->spacing;
5087 break;
5088
5089 case PM_MenuTearoffHeight:
5090 case PM_MenuScrollerHeight: {
5091 PseudoElement ps = m == PM_MenuTearoffHeight ? PseudoElement_MenuTearoff : PseudoElement_MenuScroller;
5092 subRule = renderRule(w, opt, ps);
5093 if (subRule.hasContentsSize())
5094 return subRule.size().height();
5095 break;
5096 }
5097
5098 case PM_ToolBarExtensionExtent:
5099 break;
5100
5101 case PM_SplitterWidth:
5102 case PM_ToolBarSeparatorExtent:
5103 case PM_ToolBarHandleExtent: {
5104 PseudoElement ps;
5105 if (m == PM_ToolBarHandleExtent) ps = PseudoElement_ToolBarHandle;
5106 else if (m == PM_SplitterWidth) ps = PseudoElement_SplitterHandle;
5107 else ps = PseudoElement_ToolBarSeparator;
5108 subRule = renderRule(w, opt, ps);
5109 if (subRule.hasContentsSize()) {
5110 QSize sz = subRule.size();
5111 return (opt && opt->state & QStyle::State_Horizontal) ? sz.width() : sz.height();
5112 }
5113 break;
5114 }
5115
5116 case PM_RadioButtonLabelSpacing:
5117 if (rule.hasBox() && rule.box()->spacing != -1)
5118 return rule.box()->spacing;
5119 break;
5120 case PM_CheckBoxLabelSpacing:
5121#if QT_CONFIG(checkbox)
5122 if (qobject_cast<const QCheckBox *>(w)) {
5123 if (rule.hasBox() && rule.box()->spacing != -1)
5124 return rule.box()->spacing;
5125 }
5126#endif
5127 // assume group box
5128 subRule = renderRule(w, opt, PseudoElement_GroupBoxTitle);
5129 if (subRule.hasBox() && subRule.box()->spacing != -1)
5130 return subRule.box()->spacing;
5131 break;
5132
5133#if QT_CONFIG(scrollbar)
5134 case PM_ScrollBarExtent:
5135 if (rule.hasContentsSize()) {
5136 QSize sz = rule.size();
5137 if (const QStyleOptionSlider *sb = qstyleoption_cast<const QStyleOptionSlider *>(opt))
5138 return sb->orientation == Qt::Horizontal ? sz.height() : sz.width();
5139 return sz.width() == -1 ? sz.height() : sz.width();
5140 }
5141 break;
5142
5143 case PM_ScrollBarSliderMin:
5144 if (hasStyleRule(w, PseudoElement_ScrollBarSlider)) {
5145 subRule = renderRule(w, opt, PseudoElement_ScrollBarSlider);
5146 QSize msz = subRule.minimumSize();
5147 if (const QStyleOptionSlider *sb = qstyleoption_cast<const QStyleOptionSlider *>(opt))
5148 return sb->orientation == Qt::Horizontal ? msz.width() : msz.height();
5149 return msz.width() == -1 ? msz.height() : msz.width();
5150 }
5151 break;
5152
5153 case PM_ScrollView_ScrollBarSpacing:
5154 if (!rule.hasNativeBorder() || rule.hasBox())
5155 return 0;
5156 break;
5157
5158 case PM_ScrollView_ScrollBarOverlap:
5159 if (!proxy()->styleHint(SH_ScrollBar_Transient, opt, w))
5160 return 0;
5161 break;
5162#endif // QT_CONFIG(scrollbar)
5163
5164
5165 case PM_ProgressBarChunkWidth:
5166 subRule = renderRule(w, opt, PseudoElement_ProgressBarChunk);
5167 if (subRule.hasContentsSize()) {
5168 QSize sz = subRule.size();
5169 return (opt->state & QStyle::State_Horizontal)
5170 ? sz.width() : sz.height();
5171 }
5172 break;
5173
5174#if QT_CONFIG(tabwidget)
5175 case PM_TabBarTabHSpace:
5176 case PM_TabBarTabVSpace:
5177 subRule = renderRule(w, opt, PseudoElement_TabBarTab);
5178 if (subRule.hasBox() || subRule.hasBorder())
5179 return 0;
5180 break;
5181
5182 case PM_TabBarScrollButtonWidth:
5183 subRule = renderRule(w, opt, PseudoElement_TabBarScroller);
5184 if (subRule.hasContentsSize()) {
5185 QSize sz = subRule.size();
5186 return (sz.width() != -1 ? sz.width() : sz.height()) / 2;
5187 }
5188 break;
5189
5190 case PM_TabBarTabShiftHorizontal:
5191 case PM_TabBarTabShiftVertical:
5192 subRule = renderRule(w, opt, PseudoElement_TabBarTab);
5193 if (subRule.hasBox())
5194 return 0;
5195 break;
5196
5197 case PM_TabBarBaseOverlap: {
5198 const QWidget *tabWidget = qobject_cast<const QTabWidget *>(w);
5199 if (!tabWidget && w)
5200 tabWidget = w->parentWidget();
5201 if (hasStyleRule(tabWidget, PseudoElement_TabWidgetPane)) {
5202 return 0;
5203 }
5204 break;
5205 }
5206#endif // QT_CONFIG(tabwidget)
5207
5208 case PM_SliderThickness: // horizontal slider's height (sizeHint)
5209 case PM_SliderLength: // minimum length of slider
5210 if (rule.hasContentsSize()) {
5211 bool horizontal = opt->state & QStyle::State_Horizontal;
5212 if (m == PM_SliderThickness) {
5213 QSize sz = rule.size();
5214 return horizontal ? sz.height() : sz.width();
5215 } else {
5216 QSize msz = rule.minimumContentsSize();
5217 return horizontal ? msz.width() : msz.height();
5218 }
5219 }
5220 break;
5221
5222 case PM_SliderControlThickness: {
5223 QRenderRule subRule = renderRule(w, opt, PseudoElement_SliderHandle);
5224 if (!subRule.hasContentsSize())
5225 break;
5226 QSize size = subRule.size();
5227 return (opt->state & QStyle::State_Horizontal) ? size.height() : size.width();
5228 }
5229
5230 case PM_ToolBarIconSize:
5231 case PM_ListViewIconSize:
5232 case PM_IconViewIconSize:
5233 case PM_TabBarIconSize:
5234 case PM_MessageBoxIconSize:
5235 case PM_ButtonIconSize:
5236 case PM_SmallIconSize: {
5237 const auto styleHint = rule.styleHint("icon-size"_L1);
5238 if (styleHint.isValid() && styleHint.canConvert<QSize>())
5239 return styleHint.toSize().width();
5240 break;
5241 }
5242 case PM_DockWidgetTitleMargin: {
5243 QRenderRule subRule = renderRule(w, opt, PseudoElement_DockWidgetTitle);
5244 if (!subRule.hasBox())
5245 break;
5246 return (subRule.border() ? subRule.border()->borders[TopEdge] : 0)
5247 + (subRule.hasBox() ? subRule.box()->margins[TopEdge] + subRule.box()->paddings[TopEdge]: 0);
5248 }
5249
5250 case PM_DockWidgetSeparatorExtent: {
5251 QRenderRule subRule = renderRule(w, opt, PseudoElement_DockWidgetSeparator);
5252 if (!subRule.hasContentsSize())
5253 break;
5254 QSize sz = subRule.size();
5255 return qMax(sz.width(), sz.height());
5256 }
5257
5258 case PM_TitleBarHeight: {
5259 QRenderRule subRule = renderRule(w, opt, PseudoElement_TitleBar);
5260 if (subRule.hasContentsSize())
5261 return subRule.size().height();
5262 else if (subRule.hasBox() || subRule.hasBorder()) {
5263 QFontMetrics fm = opt ? opt->fontMetrics : w->fontMetrics();
5264 return subRule.size(QSize(0, fm.height())).height();
5265 }
5266 break;
5267 }
5268
5269 case PM_MdiSubWindowFrameWidth:
5270 if (rule.hasBox() || rule.hasBorder()) {
5271 return (rule.border() ? rule.border()->borders[LeftEdge] : 0)
5272 + (rule.hasBox() ? rule.box()->paddings[LeftEdge]+rule.box()->margins[LeftEdge]: 0);
5273 }
5274 break;
5275
5276 case PM_MdiSubWindowMinimizedWidth: {
5277 QRenderRule subRule = renderRule(w, PseudoElement_None, PseudoClass_Minimized);
5278 int width = subRule.size().width();
5279 if (width != -1)
5280 return width;
5281 break;
5282 }
5283 default:
5284 break;
5285 }
5286
5287 return baseStyle()->pixelMetric(m, opt, w);
5288}
5289
5290QSize QStyleSheetStyle::sizeFromContents(ContentsType ct, const QStyleOption *opt,
5291 const QSize &csz, const QWidget *w) const
5292{
5293 RECURSION_GUARD(return baseStyle()->sizeFromContents(ct, opt, csz, w))
5294
5295 QRenderRule rule = renderRule(w, opt);
5296 QSize sz = rule.adjustSize(csz);
5297
5298 switch (ct) {
5299#if QT_CONFIG(spinbox)
5300 case CT_SpinBox:
5301 if (const QStyleOptionSpinBox *spinbox = qstyleoption_cast<const QStyleOptionSpinBox *>(opt)) {
5302 if (rule.baseStyleCanDraw())
5303 sz = baseStyle()->sizeFromContents(ct, opt, sz, w);
5304 if (spinbox->buttonSymbols != QAbstractSpinBox::NoButtons) {
5305 // Add some space for the up/down buttons
5306 QRenderRule subRule = renderRule(w, opt, PseudoElement_SpinBoxUpButton);
5307 if (subRule.hasDrawable()) {
5308 QRect r = positionRect(w, rule, subRule, PseudoElement_SpinBoxUpButton,
5309 opt->rect, opt->direction);
5310 sz.rwidth() += r.width();
5311 } else {
5312 QSize defaultUpSize = defaultSize(w, subRule.size(), spinbox->rect, PseudoElement_SpinBoxUpButton);
5313 sz.rwidth() += defaultUpSize.width();
5314 }
5315 }
5316 const bool honorBorder = !rule.baseStyleCanDraw() && rule.hasBorder();
5317 if (rule.hasBox() || honorBorder || !rule.hasNativeBorder())
5318 sz = rule.boxSize(sz);
5319 return sz;
5320 }
5321 break;
5322#endif // QT_CONFIG(spinbox)
5323 case CT_ToolButton:
5324 if (rule.hasBox() || !rule.hasNativeBorder() || !rule.baseStyleCanDraw())
5325 sz += QSize(3, 3); // ### broken QToolButton
5326 Q_FALLTHROUGH();
5327 case CT_ComboBox:
5328 case CT_PushButton:
5329 if (rule.hasBox() || !rule.hasNativeBorder()) {
5330 if (ct == CT_ComboBox) {
5331 //add some space for the drop down.
5332 QRenderRule subRule = renderRule(w, opt, PseudoElement_ComboBoxDropDown);
5333 QRect comboRect = positionRect(w, rule, subRule, PseudoElement_ComboBoxDropDown, opt->rect, opt->direction);
5334 //+2 because there is hardcoded margins in QCommonStyle::drawControl(CE_ComboBoxLabel)
5335 sz += QSize(comboRect.width() + 2, 0);
5336 }
5337 return rule.boxSize(sz);
5338 }
5339 sz = rule.baseStyleCanDraw() ? baseStyle()->sizeFromContents(ct, opt, sz, w)
5340 : QWindowsStyle::sizeFromContents(ct, opt, sz, w);
5341 return rule.boxSize(sz, Margin);
5342
5343 case CT_HeaderSection: {
5344 if (const QStyleOptionHeader *hdr = qstyleoption_cast<const QStyleOptionHeader *>(opt)) {
5345 QRenderRule subRule = renderRule(w, opt, PseudoElement_HeaderViewSection);
5346 if (subRule.hasGeometry() || subRule.hasBox() || !subRule.hasNativeBorder() || subRule.hasFont) {
5347 sz = subRule.adjustSize(csz);
5348 if (!sz.isValid()) {
5349 // Try to set the missing values based on the base style.
5350 const auto baseSize = baseStyle()->sizeFromContents(ct, opt, sz, w);
5351 if (sz.width() < 0)
5352 sz.setWidth(baseSize.width());
5353 if (sz.height() < 0)
5354 sz.setHeight(baseSize.height());
5355 }
5356 if (!subRule.hasGeometry()) {
5357 QSize nativeContentsSize;
5358 bool nullIcon = hdr->icon.isNull();
5359 const int margin = pixelMetric(QStyle::PM_HeaderMargin, hdr, w);
5360 int iconSize = nullIcon ? 0 : pixelMetric(QStyle::PM_SmallIconSize, hdr, w);
5361 QFontMetrics fm = hdr->fontMetrics;
5362 if (subRule.hasFont) {
5363 QFont styleFont = w ? subRule.font.resolve(w->font()) : subRule.font;
5364 fm = QFontMetrics(styleFont);
5365 }
5366 const QSize txt = fm.size(0, hdr->text);
5367 nativeContentsSize.setHeight(margin + qMax(iconSize, txt.height()) + margin);
5368 nativeContentsSize.setWidth((nullIcon ? 0 : margin) + iconSize
5369 + (hdr->text.isNull() ? 0 : margin) + txt.width() + margin);
5370 sz = sz.expandedTo(nativeContentsSize);
5371 }
5372 return subRule.size(sz);
5373 }
5374 return subRule.baseStyleCanDraw() ? baseStyle()->sizeFromContents(ct, opt, sz, w)
5375 : QWindowsStyle::sizeFromContents(ct, opt, sz, w);
5376 }
5377 }
5378 break;
5379 case CT_GroupBox:
5380 case CT_LineEdit:
5381#if QT_CONFIG(spinbox)
5382 if (qobject_cast<QAbstractSpinBox *>(w ? w->parentWidget() : nullptr))
5383 return csz; // we only care about the size hint of the line edit
5384#endif
5385 if (rule.hasBox() || !rule.hasNativeBorder()) {
5386 return rule.boxSize(sz);
5387 }
5388 break;
5389
5390 case CT_CheckBox:
5391 case CT_RadioButton:
5392 if (const QStyleOptionButton *btn = qstyleoption_cast<const QStyleOptionButton *>(opt)) {
5393 if (rule.hasBox() || rule.hasBorder() || hasStyleRule(w, PseudoElement_Indicator)) {
5394 bool isRadio = (ct == CT_RadioButton);
5395 int iw = pixelMetric(isRadio ? PM_ExclusiveIndicatorWidth
5396 : PM_IndicatorWidth, btn, w);
5397 int ih = pixelMetric(isRadio ? PM_ExclusiveIndicatorHeight
5398 : PM_IndicatorHeight, btn, w);
5399
5400 int spacing = pixelMetric(isRadio ? PM_RadioButtonLabelSpacing
5401 : PM_CheckBoxLabelSpacing, btn, w);
5402 sz.setWidth(sz.width() + iw + spacing);
5403 sz.setHeight(qMax(sz.height(), ih));
5404 return rule.boxSize(sz);
5405 }
5406 }
5407 break;
5408
5409 case CT_Menu:
5410 case CT_MenuBar: // already has everything!
5411 case CT_ScrollBar:
5412 if (rule.hasBox() || rule.hasBorder())
5413 return sz;
5414 break;
5415
5416 case CT_MenuItem:
5417 if (const QStyleOptionMenuItem *mi = qstyleoption_cast<const QStyleOptionMenuItem *>(opt)) {
5418 PseudoElement pe = (mi->menuItemType == QStyleOptionMenuItem::Separator)
5419 ? PseudoElement_MenuSeparator : PseudoElement_Item;
5420 QRenderRule subRule = renderRule(w, opt, pe);
5421 if ((pe == PseudoElement_MenuSeparator) && subRule.hasContentsSize()) {
5422 return QSize(sz.width(), subRule.size().height());
5423 }
5424 if ((pe == PseudoElement_Item) && (subRule.hasBox() || subRule.hasBorder() || subRule.hasFont)) {
5425 bool drawCheckMark = mi->menuHasCheckableItems;
5426#if QT_CONFIG(combobox)
5427 if (qobject_cast<const QComboBox *>(w))
5428 drawCheckMark = false; // ignore the checkmarks provided by the QComboMenuDelegate
5429#endif
5430 QSize sz(csz);
5431 if (subRule.hasFont) {
5432 QFontMetrics fm(subRule.font.resolve(mi->font));
5433 const QRect r = fm.boundingRect(QRect(), Qt::TextSingleLine | Qt::TextShowMnemonic, mi->text);
5434 sz = sz.expandedTo(r.size());
5435 }
5436 if (mi->text.contains(u'\t'))
5437 sz.rwidth() += 12; //as in QCommonStyle
5438 if (!mi->icon.isNull()) {
5439 const int pmSmall = pixelMetric(PM_SmallIconSize);
5440 const QSize pmSize = mi->icon.actualSize(QSize(pmSmall, pmSmall));
5441 sz.rwidth() += std::max(mi->maxIconWidth, pmSize.width()) + 4;
5442 } else if (drawCheckMark) {
5443 QRenderRule subSubRule = renderRule(w, opt, PseudoElement_MenuCheckMark);
5444 QRect checkmarkRect = positionRect(w, subRule, subSubRule, PseudoElement_MenuCheckMark, opt->rect, opt->direction);
5445 sz.rwidth() += std::max(mi->maxIconWidth, checkmarkRect.width()) + 4;
5446 } else {
5447 sz.rwidth() += mi->maxIconWidth;
5448 }
5449 return subRule.boxSize(subRule.adjustSize(sz));
5450 }
5451 }
5452 break;
5453
5454 case CT_Splitter:
5455 case CT_MenuBarItem: {
5456 PseudoElement pe = (ct == CT_Splitter) ? PseudoElement_SplitterHandle : PseudoElement_Item;
5457 QRenderRule subRule = renderRule(w, opt, pe);
5458 if (subRule.hasBox() || subRule.hasBorder())
5459 return subRule.boxSize(sz);
5460 break;
5461 }
5462
5463 case CT_ProgressBar:
5464 case CT_SizeGrip:
5465 return (rule.hasContentsSize())
5466 ? rule.size(sz)
5467 : rule.boxSize(baseStyle()->sizeFromContents(ct, opt, sz, w));
5468 break;
5469
5470 case CT_Slider:
5471 if (rule.hasBorder() || rule.hasBox() || rule.hasGeometry())
5472 return rule.boxSize(sz);
5473 break;
5474
5475#if QT_CONFIG(tabbar)
5476 case CT_TabBarTab: {
5477 QRenderRule subRule = renderRule(w, opt, PseudoElement_TabBarTab);
5478 if (subRule.hasBox() || !subRule.hasNativeBorder() || subRule.hasFont) {
5479 int spaceForIcon = 0;
5480 bool vertical = false;
5481 QString text;
5482 if (const QStyleOptionTab *tab = qstyleoption_cast<const QStyleOptionTab *>(opt)) {
5483 if (!tab->icon.isNull())
5484 spaceForIcon = 6 /* icon offset */ + 4 /* spacing */ + 2 /* magic */; // ###: hardcoded to match with common style
5485 vertical = verticalTabs(tab->shape);
5486 text = tab->text;
5487 }
5488 if (subRule.hasBox() || !subRule.hasNativeBorder())
5489 sz = csz + QSize(vertical ? 0 : spaceForIcon, vertical ? spaceForIcon : 0);
5490 if (subRule.hasFont) {
5491 // first we remove the space needed for the text using the default font
5492 const QSize oldTextSize = opt->fontMetrics.size(Qt::TextShowMnemonic, text);
5493 (vertical ? sz.rheight() : sz.rwidth()) -= oldTextSize.width();
5494
5495 // then we add the space needed when using the rule font to the relevant
5496 // dimension, and constraint the other dimension to the maximum to make
5497 // sure we don't grow, but also don't clip icons or buttons.
5498 const QFont ruleFont = subRule.font.resolve(w->font());
5499 const QFontMetrics fm(ruleFont);
5500 const QSize textSize = fm.size(Qt::TextShowMnemonic, text);
5501 if (vertical) {
5502 sz.rheight() += textSize.width();
5503 sz.rwidth() = qMax(textSize.height(), sz.width());
5504 } else {
5505 sz.rwidth() += textSize.width();
5506 sz.rheight() = qMax(textSize.height(), sz.height());
5507 }
5508 }
5509
5510 return subRule.boxSize(subRule.adjustSize(sz));
5511 }
5512 sz = subRule.adjustSize(csz);
5513 break;
5514 }
5515#endif // QT_CONFIG(tabbar)
5516
5517 case CT_MdiControls:
5518 if (const QStyleOptionComplex *ccOpt = qstyleoption_cast<const QStyleOptionComplex *>(opt)) {
5519 if (!hasStyleRule(w, PseudoElement_MdiCloseButton)
5520 && !hasStyleRule(w, PseudoElement_MdiNormalButton)
5521 && !hasStyleRule(w, PseudoElement_MdiMinButton))
5522 break;
5523
5524 QList<QVariant> layout = rule.styleHint("button-layout"_L1).toList();
5525 if (layout.isEmpty())
5526 layout = subControlLayout("mNX");
5527
5528 int width = 0, height = 0;
5529 for (const QVariant &val : std::as_const(layout)) {
5530 int layoutButton = val.toInt();
5531 if (layoutButton < PseudoElement_MdiCloseButton
5532 || layoutButton > PseudoElement_MdiNormalButton)
5533 continue;
5534 QStyle::SubControl sc = knownPseudoElements[layoutButton].subControl;
5535 if (!(ccOpt->subControls & sc))
5536 continue;
5537 QRenderRule subRule = renderRule(w, opt, layoutButton);
5538 QSize sz = subRule.size();
5539 width += sz.width();
5540 height = qMax(height, sz.height());
5541 }
5542
5543 return QSize(width, height);
5544 }
5545 break;
5546
5547#if QT_CONFIG(itemviews)
5548 case CT_ItemViewItem: {
5549 QRenderRule subRule = renderRule(w, opt, PseudoElement_ViewItem);
5550 sz = baseStyle()->sizeFromContents(ct, opt, csz, w);
5551 sz = subRule.adjustSize(sz);
5552 if (subRule.hasBox() || subRule.hasBorder())
5553 sz = subRule.boxSize(sz);
5554 return sz;
5555 }
5556#endif // QT_CONFIG(itemviews)
5557
5558 default:
5559 break;
5560 }
5561
5562 return baseStyle()->sizeFromContents(ct, opt, sz, w);
5563}
5564
5565/*!
5566 \internal
5567*/
5568static QLatin1StringView propertyNameForStandardPixmap(QStyle::StandardPixmap sp)
5569{
5570 switch (sp) {
5571 case QStyle::SP_TitleBarMenuButton: return "titlebar-menu-icon"_L1;
5572 case QStyle::SP_TitleBarMinButton: return "titlebar-minimize-icon"_L1;
5573 case QStyle::SP_TitleBarMaxButton: return "titlebar-maximize-icon"_L1;
5574 case QStyle::SP_TitleBarCloseButton: return "titlebar-close-icon"_L1;
5575 case QStyle::SP_TitleBarNormalButton: return "titlebar-normal-icon"_L1;
5576 case QStyle::SP_TitleBarShadeButton: return "titlebar-shade-icon"_L1;
5577 case QStyle::SP_TitleBarUnshadeButton: return "titlebar-unshade-icon"_L1;
5578 case QStyle::SP_TitleBarContextHelpButton: return "titlebar-contexthelp-icon"_L1;
5579 case QStyle::SP_DockWidgetCloseButton: return "dockwidget-close-icon"_L1;
5580 case QStyle::SP_MessageBoxInformation: return "messagebox-information-icon"_L1;
5581 case QStyle::SP_MessageBoxWarning: return "messagebox-warning-icon"_L1;
5582 case QStyle::SP_MessageBoxCritical: return "messagebox-critical-icon"_L1;
5583 case QStyle::SP_MessageBoxQuestion: return "messagebox-question-icon"_L1;
5584 case QStyle::SP_DesktopIcon: return "desktop-icon"_L1;
5585 case QStyle::SP_TrashIcon: return "trash-icon"_L1;
5586 case QStyle::SP_ComputerIcon: return "computer-icon"_L1;
5587 case QStyle::SP_DriveFDIcon: return "floppy-icon"_L1;
5588 case QStyle::SP_DriveHDIcon: return "harddisk-icon"_L1;
5589 case QStyle::SP_DriveCDIcon: return "cd-icon"_L1;
5590 case QStyle::SP_DriveDVDIcon: return "dvd-icon"_L1;
5591 case QStyle::SP_DriveNetIcon: return "network-icon"_L1;
5592 case QStyle::SP_DirOpenIcon: return "directory-open-icon"_L1;
5593 case QStyle::SP_DirClosedIcon: return "directory-closed-icon"_L1;
5594 case QStyle::SP_DirLinkIcon: return "directory-link-icon"_L1;
5595 case QStyle::SP_FileIcon: return "file-icon"_L1;
5596 case QStyle::SP_FileLinkIcon: return "file-link-icon"_L1;
5597 case QStyle::SP_FileDialogStart: return "filedialog-start-icon"_L1;
5598 case QStyle::SP_FileDialogEnd: return "filedialog-end-icon"_L1;
5599 case QStyle::SP_FileDialogToParent: return "filedialog-parent-directory-icon"_L1;
5600 case QStyle::SP_FileDialogNewFolder: return "filedialog-new-directory-icon"_L1;
5601 case QStyle::SP_FileDialogDetailedView: return "filedialog-detailedview-icon"_L1;
5602 case QStyle::SP_FileDialogInfoView: return "filedialog-infoview-icon"_L1;
5603 case QStyle::SP_FileDialogContentsView: return "filedialog-contentsview-icon"_L1;
5604 case QStyle::SP_FileDialogListView: return "filedialog-listview-icon"_L1;
5605 case QStyle::SP_FileDialogBack: return "filedialog-backward-icon"_L1;
5606 case QStyle::SP_DirIcon: return "directory-icon"_L1;
5607 case QStyle::SP_DialogOkButton: return "dialog-ok-icon"_L1;
5608 case QStyle::SP_DialogCancelButton: return "dialog-cancel-icon"_L1;
5609 case QStyle::SP_DialogHelpButton: return "dialog-help-icon"_L1;
5610 case QStyle::SP_DialogOpenButton: return "dialog-open-icon"_L1;
5611 case QStyle::SP_DialogSaveButton: return "dialog-save-icon"_L1;
5612 case QStyle::SP_DialogCloseButton: return "dialog-close-icon"_L1;
5613 case QStyle::SP_DialogApplyButton: return "dialog-apply-icon"_L1;
5614 case QStyle::SP_DialogResetButton: return "dialog-reset-icon"_L1;
5615 case QStyle::SP_DialogDiscardButton: return "dialog-discard-icon"_L1;
5616 case QStyle::SP_DialogYesButton: return "dialog-yes-icon"_L1;
5617 case QStyle::SP_DialogNoButton: return "dialog-no-icon"_L1;
5618 case QStyle::SP_ArrowUp: return "uparrow-icon"_L1;
5619 case QStyle::SP_ArrowDown: return "downarrow-icon"_L1;
5620 case QStyle::SP_ArrowLeft: return "leftarrow-icon"_L1;
5621 case QStyle::SP_ArrowRight: return "rightarrow-icon"_L1;
5622 case QStyle::SP_ArrowBack: return "backward-icon"_L1;
5623 case QStyle::SP_ArrowForward: return "forward-icon"_L1;
5624 case QStyle::SP_DirHomeIcon: return "home-icon"_L1;
5625 case QStyle::SP_LineEditClearButton: return "lineedit-clear-button-icon"_L1;
5626 default: return ""_L1;
5627 }
5628}
5629
5630QIcon QStyleSheetStyle::standardIcon(StandardPixmap standardIcon, const QStyleOption *opt,
5631 const QWidget *w) const
5632{
5633 RECURSION_GUARD(return baseStyle()->standardIcon(standardIcon, opt, w))
5634 const auto s = propertyNameForStandardPixmap(standardIcon);
5635 if (!s.isEmpty()) {
5636 const auto styleHint = renderRule(w, opt).styleHint(s);
5637 if (styleHint.isValid() && styleHint.canConvert<QIcon>())
5638 return qvariant_cast<QIcon>(styleHint);
5639 }
5640 return baseStyle()->standardIcon(standardIcon, opt, w);
5641}
5642
5643QPalette QStyleSheetStyle::standardPalette() const
5644{
5645 return baseStyle()->standardPalette();
5646}
5647
5648QPixmap QStyleSheetStyle::standardPixmap(StandardPixmap standardPixmap, const QStyleOption *opt,
5649 const QWidget *w) const
5650{
5651 RECURSION_GUARD(return baseStyle()->standardPixmap(standardPixmap, opt, w))
5652 const auto s = propertyNameForStandardPixmap(standardPixmap);
5653 if (!s.isEmpty()) {
5654 const auto styleHint = renderRule(w, opt).styleHint(s);
5655 if (styleHint.isValid() && styleHint.canConvert<QIcon>()) {
5656 QIcon icon = qvariant_cast<QIcon>(styleHint);
5657 return icon.pixmap(QSize(16, 16), QStyleHelper::getDpr(w));
5658 }
5659 }
5660 return baseStyle()->standardPixmap(standardPixmap, opt, w);
5661}
5662
5663int QStyleSheetStyle::layoutSpacing(QSizePolicy::ControlType control1, QSizePolicy::ControlType control2,
5664 Qt::Orientation orientation, const QStyleOption *option,
5665 const QWidget *widget) const
5666{
5667 return baseStyle()->layoutSpacing(control1, control2, orientation, option, widget);
5668}
5669
5670int QStyleSheetStyle::styleHint(StyleHint sh, const QStyleOption *opt, const QWidget *w,
5671 QStyleHintReturn *shret) const
5672{
5673 RECURSION_GUARD(return baseStyle()->styleHint(sh, opt, w, shret))
5674 // Prevent endless loop if somebody use isActiveWindow property as selector.
5675 // QWidget::isActiveWindow uses this styleHint to determine if the window is active or not
5676 if (sh == SH_Widget_ShareActivation)
5677 return baseStyle()->styleHint(sh, opt, w, shret);
5678
5679 QRenderRule rule = renderRule(w, opt);
5680 QLatin1StringView s;
5681 switch (sh) {
5682 case SH_LineEdit_PasswordCharacter: s = "lineedit-password-character"_L1; break;
5683 case SH_LineEdit_PasswordMaskDelay: s = "lineedit-password-mask-delay"_L1; break;
5684 case SH_DitherDisabledText: s = "dither-disabled-text"_L1; break;
5685 case SH_EtchDisabledText: s = "etch-disabled-text"_L1; break;
5686 case SH_ItemView_ActivateItemOnSingleClick: s = "activate-on-singleclick"_L1; break;
5687 case SH_ItemView_ShowDecorationSelected: s = "show-decoration-selected"_L1; break;
5688 case SH_Table_GridLineColor: s = "gridline-color"_L1; break;
5689 case SH_DialogButtonLayout: s = "button-layout"_L1; break;
5690 case SH_ToolTipLabel_Opacity: s = "opacity"_L1; break;
5691 case SH_ComboBox_Popup: s = "combobox-popup"_L1; break;
5692 case SH_ComboBox_ListMouseTracking: s = "combobox-list-mousetracking"_L1; break;
5693 case SH_MenuBar_AltKeyNavigation: s = "menubar-altkey-navigation"_L1; break;
5694 case SH_Menu_Scrollable: s = "menu-scrollable"_L1; break;
5695 case SH_DrawMenuBarSeparator: s = "menubar-separator"_L1; break;
5696 case SH_MenuBar_MouseTracking: s = "mouse-tracking"_L1; break;
5697 case SH_SpinBox_ClickAutoRepeatRate: s = "spinbox-click-autorepeat-rate"_L1; break;
5698 case SH_SpinControls_DisableOnBounds: s = "spincontrol-disable-on-bounds"_L1; break;
5699 case SH_MessageBox_TextInteractionFlags: s = "messagebox-text-interaction-flags"_L1; break;
5700 case SH_ToolButton_PopupDelay: s = "toolbutton-popup-delay"_L1; break;
5701 case SH_ToolBox_SelectedPageTitleBold:
5702 if (renderRule(w, opt, PseudoElement_ToolBoxTab).hasFont)
5703 return 0;
5704 break;
5705 case SH_GroupBox_TextLabelColor:
5706 if (rule.hasPalette() && rule.palette()->foreground.style() != Qt::NoBrush)
5707 return rule.palette()->foreground.color().rgba();
5708 break;
5709 case SH_ScrollView_FrameOnlyAroundContents: s = "scrollview-frame-around-contents"_L1; break;
5710 case SH_ScrollBar_ContextMenu: s = "scrollbar-contextmenu"_L1; break;
5711 case SH_ScrollBar_LeftClickAbsolutePosition: s = "scrollbar-leftclick-absolute-position"_L1; break;
5712 case SH_ScrollBar_MiddleClickAbsolutePosition: s = "scrollbar-middleclick-absolute-position"_L1; break;
5713 case SH_ScrollBar_RollBetweenButtons: s = "scrollbar-roll-between-buttons"_L1; break;
5714 case SH_ScrollBar_ScrollWhenPointerLeavesControl: s = "scrollbar-scroll-when-pointer-leaves-control"_L1; break;
5715 case SH_TabBar_Alignment:
5716#if QT_CONFIG(tabwidget)
5717 if (qobject_cast<const QTabWidget *>(w)) {
5718 rule = renderRule(w, opt, PseudoElement_TabWidgetTabBar);
5719 if (rule.hasPosition())
5720 return rule.position()->position;
5721 }
5722#endif // QT_CONFIG(tabwidget)
5723 s = "alignment"_L1;
5724 break;
5725#if QT_CONFIG(tabbar)
5726 case SH_TabBar_CloseButtonPosition:
5727 rule = renderRule(w, opt, PseudoElement_TabBarTabCloseButton);
5728 if (rule.hasPosition()) {
5729 Qt::Alignment align = rule.position()->position;
5730 if (align & Qt::AlignLeft || align & Qt::AlignTop)
5731 return QTabBar::LeftSide;
5732 if (align & Qt::AlignRight || align & Qt::AlignBottom)
5733 return QTabBar::RightSide;
5734 }
5735 break;
5736#endif
5737 case SH_TabBar_ElideMode: s = "tabbar-elide-mode"_L1; break;
5738 case SH_TabBar_PreferNoArrows: s = "tabbar-prefer-no-arrows"_L1; break;
5739 case SH_ComboBox_PopupFrameStyle:
5740#if QT_CONFIG(combobox)
5741 if (qobject_cast<const QComboBox *>(w)) {
5742 QAbstractItemView *view = w->findChild<QAbstractItemView *>();
5743 if (view) {
5744 view->ensurePolished();
5745 QRenderRule subRule = renderRule(view, PseudoElement_None);
5746 if (subRule.hasBox() || !subRule.hasNativeBorder())
5747 return QFrame::NoFrame;
5748 }
5749 }
5750#endif // QT_CONFIG(combobox)
5751 break;
5752 case SH_DialogButtonBox_ButtonsHaveIcons: s = "dialogbuttonbox-buttons-have-icons"_L1; break;
5753 case SH_Workspace_FillSpaceOnMaximize: s = "mdi-fill-space-on-maximize"_L1; break;
5754 case SH_TitleBar_NoBorder:
5755 if (rule.hasBorder())
5756 return !rule.border()->borders[LeftEdge];
5757 break;
5758 case SH_TitleBar_AutoRaise: { // plain absurd
5759 QRenderRule subRule = renderRule(w, opt, PseudoElement_TitleBar);
5760 if (subRule.hasDrawable())
5761 return 1;
5762 break;
5763 }
5764 case SH_ItemView_ArrowKeysNavigateIntoChildren: s = "arrow-keys-navigate-into-children"_L1; break;
5765 case SH_ItemView_PaintAlternatingRowColorsForEmptyArea: s = "paint-alternating-row-colors-for-empty-area"_L1; break;
5766 case SH_TitleBar_ShowToolTipsOnButtons: s = "titlebar-show-tooltips-on-buttons"_L1; break;
5767 case SH_Widget_Animation_Duration: s = "widget-animation-duration"_L1; break;
5768 case SH_ScrollBar_Transient:
5769 if (!rule.hasNativeBorder() || rule.hasBox() || rule.hasDrawable())
5770 return 0;
5771 break;
5772 default: break;
5773 }
5774 if (!s.isEmpty()) {
5775 const auto styleHint = rule.styleHint(s);
5776 if (styleHint.isValid() && styleHint.canConvert<int>())
5777 return styleHint.toInt();
5778 }
5779
5780 return baseStyle()->styleHint(sh, opt, w, shret);
5781}
5782
5783QRect QStyleSheetStyle::subControlRect(ComplexControl cc, const QStyleOptionComplex *opt, SubControl sc,
5784 const QWidget *w) const
5785{
5786 RECURSION_GUARD(return baseStyle()->subControlRect(cc, opt, sc, w))
5787
5788 QRenderRule rule = renderRule(w, opt);
5789 switch (cc) {
5790 case CC_ComboBox:
5791 if (const QStyleOptionComboBox *cb = qstyleoption_cast<const QStyleOptionComboBox *>(opt)) {
5792 if (rule.hasBox() || !rule.hasNativeBorder()) {
5793 switch (sc) {
5794 case SC_ComboBoxFrame: return rule.borderRect(opt->rect);
5795 case SC_ComboBoxEditField:
5796 {
5797 QRenderRule subRule = renderRule(w, opt, PseudoElement_ComboBoxDropDown);
5798 QRect r = rule.contentsRect(opt->rect);
5799 QRect r2 = positionRect(w, rule, subRule, PseudoElement_ComboBoxDropDown,
5800 opt->rect, opt->direction);
5801 if (subRule.hasPosition() && subRule.position()->position & Qt::AlignLeft) {
5802 return visualRect(opt->direction, r, r.adjusted(r2.width(),0,0,0));
5803 } else {
5804 return visualRect(opt->direction, r, r.adjusted(0,0,-r2.width(),0));
5805 }
5806 }
5807 case SC_ComboBoxArrow: {
5808 QRenderRule subRule = renderRule(w, opt, PseudoElement_ComboBoxDropDown);
5809 return positionRect(w, rule, subRule, PseudoElement_ComboBoxDropDown, opt->rect, opt->direction);
5810 }
5811 case SC_ComboBoxListBoxPopup:
5812 default:
5813 return baseStyle()->subControlRect(cc, opt, sc, w);
5814 }
5815 }
5816
5817 QStyleOptionComboBox comboBox(*cb);
5818 comboBox.rect = rule.borderRect(opt->rect);
5819 return rule.baseStyleCanDraw() ? baseStyle()->subControlRect(cc, &comboBox, sc, w)
5820 : QWindowsStyle::subControlRect(cc, &comboBox, sc, w);
5821 }
5822 break;
5823
5824#if QT_CONFIG(spinbox)
5825 case CC_SpinBox:
5826 if (const QStyleOptionSpinBox *spin = qstyleoption_cast<const QStyleOptionSpinBox *>(opt)) {
5827 QRenderRule upRule = renderRule(w, opt, PseudoElement_SpinBoxUpButton);
5828 QRenderRule downRule = renderRule(w, opt, PseudoElement_SpinBoxDownButton);
5829 bool ruleMatch = rule.hasBox() || !rule.hasNativeBorder();
5830 bool upRuleMatch = upRule.hasGeometry() || upRule.hasPosition();
5831 bool downRuleMatch = downRule.hasGeometry() || downRule.hasPosition();
5832 if (ruleMatch || upRuleMatch || downRuleMatch) {
5833 switch (sc) {
5834 case SC_SpinBoxFrame:
5835 return rule.borderRect(opt->rect);
5836 case SC_SpinBoxEditField:
5837 {
5838 QRect r = rule.contentsRect(opt->rect);
5839 // Use the widest button on each side to determine edit field size.
5840 Qt::Alignment upAlign, downAlign;
5841
5842 upAlign = upRule.hasPosition() ? upRule.position()->position
5843 : Qt::Alignment(Qt::AlignRight);
5844 upAlign = resolveAlignment(opt->direction, upAlign);
5845
5846 downAlign = downRule.hasPosition() ? downRule.position()->position
5847 : Qt::Alignment(Qt::AlignRight);
5848 downAlign = resolveAlignment(opt->direction, downAlign);
5849
5850 const bool hasButtons = (spin->buttonSymbols != QAbstractSpinBox::NoButtons);
5851 const int upSize = hasButtons
5852 ? subControlRect(CC_SpinBox, opt, SC_SpinBoxUp, w).width() : 0;
5853 const int downSize = hasButtons
5854 ? subControlRect(CC_SpinBox, opt, SC_SpinBoxDown, w).width() : 0;
5855
5856 int widestL = qMax((upAlign & Qt::AlignLeft) ? upSize : 0,
5857 (downAlign & Qt::AlignLeft) ? downSize : 0);
5858 int widestR = qMax((upAlign & Qt::AlignRight) ? upSize : 0,
5859 (downAlign & Qt::AlignRight) ? downSize : 0);
5860 r.setRight(r.right() - widestR);
5861 r.setLeft(r.left() + widestL);
5862 return r;
5863 }
5864 case SC_SpinBoxDown:
5865 if (downRuleMatch)
5866 return positionRect(w, rule, downRule, PseudoElement_SpinBoxDownButton,
5867 opt->rect, opt->direction);
5868 break;
5869 case SC_SpinBoxUp:
5870 if (upRuleMatch)
5871 return positionRect(w, rule, upRule, PseudoElement_SpinBoxUpButton,
5872 opt->rect, opt->direction);
5873 break;
5874 default:
5875 break;
5876 }
5877
5878 return baseStyle()->subControlRect(cc, opt, sc, w);
5879 }
5880
5881 QStyleOptionSpinBox spinBox(*spin);
5882 spinBox.rect = rule.borderRect(opt->rect);
5883 return rule.baseStyleCanDraw() ? baseStyle()->subControlRect(cc, &spinBox, sc, w)
5884 : QWindowsStyle::subControlRect(cc, &spinBox, sc, w);
5885 }
5886 break;
5887#endif // QT_CONFIG(spinbox)
5888
5889 case CC_GroupBox:
5890 if (const QStyleOptionGroupBox *gb = qstyleoption_cast<const QStyleOptionGroupBox *>(opt)) {
5891 switch (sc) {
5892 case SC_GroupBoxFrame:
5893 case SC_GroupBoxContents: {
5894 if (rule.hasBox() || !rule.hasNativeBorder()) {
5895 return sc == SC_GroupBoxFrame ? rule.borderRect(opt->rect)
5896 : rule.contentsRect(opt->rect);
5897 }
5898 QStyleOptionGroupBox groupBox(*gb);
5899 groupBox.rect = rule.borderRect(opt->rect);
5900 return baseStyle()->subControlRect(cc, &groupBox, sc, w);
5901 }
5902 default:
5903 case SC_GroupBoxLabel:
5904 case SC_GroupBoxCheckBox: {
5905 QRenderRule indRule = renderRule(w, opt, PseudoElement_GroupBoxIndicator);
5906 QRenderRule labelRule = renderRule(w, opt, PseudoElement_GroupBoxTitle);
5907 if (!labelRule.hasPosition() && !labelRule.hasGeometry() && !labelRule.hasBox()
5908 && !labelRule.hasBorder() && !indRule.hasContentsSize()) {
5909 QStyleOptionGroupBox groupBox(*gb);
5910 groupBox.rect = rule.borderRect(opt->rect);
5911 return baseStyle()->subControlRect(cc, &groupBox, sc, w);
5912 }
5913 int tw = opt->fontMetrics.horizontalAdvance(gb->text);
5914 int th = opt->fontMetrics.height();
5915 int spacing = pixelMetric(QStyle::PM_CheckBoxLabelSpacing, opt, w);
5916 int iw = pixelMetric(QStyle::PM_IndicatorWidth, opt, w);
5917 int ih = pixelMetric(QStyle::PM_IndicatorHeight, opt, w);
5918
5919 if (gb->subControls & QStyle::SC_GroupBoxCheckBox) {
5920 tw = tw + iw + spacing;
5921 th = qMax(th, ih);
5922 }
5923 if (!labelRule.hasGeometry()) {
5924 labelRule.geo = new QStyleSheetGeometryData(tw, th, tw, th, -1, -1);
5925 } else {
5926 labelRule.geo->width = tw;
5927 labelRule.geo->height = th;
5928 }
5929 if (!labelRule.hasPosition()) {
5930 labelRule.p = new QStyleSheetPositionData(0, 0, 0, 0, defaultOrigin(PseudoElement_GroupBoxTitle),
5931 gb->textAlignment, PositionMode_Static);
5932 }
5933 QRect r = positionRect(w, rule, labelRule, PseudoElement_GroupBoxTitle,
5934 opt->rect, opt->direction);
5935 if (gb->subControls & SC_GroupBoxCheckBox) {
5936 r = labelRule.contentsRect(r);
5937 if (sc == SC_GroupBoxLabel) {
5938 r.setLeft(r.left() + iw + spacing);
5939 r.setTop(r.center().y() - th/2);
5940 } else {
5941 r = QRect(r.left(), r.center().y() - ih/2, iw, ih);
5942 }
5943 return r;
5944 } else {
5945 return labelRule.contentsRect(r);
5946 }
5947 }
5948 } // switch
5949 }
5950 break;
5951
5952 case CC_ToolButton:
5953#if QT_CONFIG(toolbutton)
5954 if (const QStyleOptionToolButton *tb = qstyleoption_cast<const QStyleOptionToolButton *>(opt)) {
5955 if (rule.hasBox() || !rule.hasNativeBorder()) {
5956 switch (sc) {
5957 case SC_ToolButton: return rule.borderRect(opt->rect);
5958 case SC_ToolButtonMenu: {
5959 QRenderRule subRule = renderRule(w, opt, PseudoElement_ToolButtonMenu);
5960 return positionRect(w, rule, subRule, PseudoElement_ToolButtonMenu, opt->rect, opt->direction);
5961 }
5962 default:
5963 break;
5964 }
5965 }
5966
5967 QStyleOptionToolButton tool(*tb);
5968 tool.rect = rule.borderRect(opt->rect);
5969 return rule.baseStyleCanDraw() ? baseStyle()->subControlRect(cc, &tool, sc, w)
5970 : QWindowsStyle::subControlRect(cc, &tool, sc, w);
5971 }
5972#endif // QT_CONFIG(toolbutton)
5973 break;
5974
5975#if QT_CONFIG(scrollbar)
5976 case CC_ScrollBar:
5977 if (const QStyleOptionSlider *sb = qstyleoption_cast<const QStyleOptionSlider *>(opt)) {
5978 QStyleOptionSlider styleOptionSlider(*sb);
5979 styleOptionSlider.rect = rule.borderRect(opt->rect);
5980 if (rule.hasDrawable() || rule.hasBox()) {
5981 QRect grooveRect;
5982 if (!rule.hasBox()) {
5983 grooveRect = rule.baseStyleCanDraw() ? baseStyle()->subControlRect(cc, sb, SC_ScrollBarGroove, w)
5984 : QWindowsStyle::subControlRect(cc, sb, SC_ScrollBarGroove, w);
5985 } else {
5986 grooveRect = rule.contentsRect(opt->rect);
5987 }
5988
5989 PseudoElement pe = PseudoElement_None;
5990
5991 switch (sc) {
5992 case SC_ScrollBarGroove:
5993 return grooveRect;
5994 case SC_ScrollBarAddPage:
5995 case SC_ScrollBarSubPage:
5996 case SC_ScrollBarSlider: {
5997 QRect contentRect = grooveRect;
5998 if (hasStyleRule(w, PseudoElement_ScrollBarSlider)) {
5999 QRenderRule sliderRule = renderRule(w, opt, PseudoElement_ScrollBarSlider);
6000 Origin origin = sliderRule.hasPosition() ? sliderRule.position()->origin : defaultOrigin(PseudoElement_ScrollBarSlider);
6001 contentRect = rule.originRect(opt->rect, origin);
6002 }
6003 int maxlen = (styleOptionSlider.orientation == Qt::Horizontal) ? contentRect.width() : contentRect.height();
6004 int sliderlen;
6005 if (sb->maximum != sb->minimum) {
6006 uint range = sb->maximum - sb->minimum;
6007 sliderlen = (qint64(sb->pageStep) * maxlen) / (range + sb->pageStep);
6008
6009 int slidermin = pixelMetric(PM_ScrollBarSliderMin, sb, w);
6010 if (sliderlen < slidermin || range > INT_MAX / 2)
6011 sliderlen = slidermin;
6012 if (sliderlen > maxlen)
6013 sliderlen = maxlen;
6014 } else {
6015 sliderlen = maxlen;
6016 }
6017 int sliderstart = (styleOptionSlider.orientation == Qt::Horizontal ? contentRect.left() : contentRect.top())
6018 + sliderPositionFromValue(sb->minimum, sb->maximum, sb->sliderPosition,
6019 maxlen - sliderlen, sb->upsideDown);
6020
6021 QRect sr = (sb->orientation == Qt::Horizontal)
6022 ? QRect(sliderstart, contentRect.top(), sliderlen, contentRect.height())
6023 : QRect(contentRect.left(), sliderstart, contentRect.width(), sliderlen);
6024 if (sc == SC_ScrollBarSubPage)
6025 sr = QRect(contentRect.topLeft(), sb->orientation == Qt::Horizontal ? sr.bottomLeft() : sr.topRight());
6026 else if (sc == SC_ScrollBarAddPage)
6027 sr = QRect(sb->orientation == Qt::Horizontal ? sr.topRight() : sr.bottomLeft(), contentRect.bottomRight());
6028 return visualRect(styleOptionSlider.direction, grooveRect, sr);
6029 }
6030 case SC_ScrollBarAddLine: pe = PseudoElement_ScrollBarAddLine; break;
6031 case SC_ScrollBarSubLine: pe = PseudoElement_ScrollBarSubLine; break;
6032 case SC_ScrollBarFirst: pe = PseudoElement_ScrollBarFirst; break;
6033 case SC_ScrollBarLast: pe = PseudoElement_ScrollBarLast; break;
6034 default: break;
6035 }
6036 if (hasStyleRule(w,pe)) {
6037 QRenderRule subRule = renderRule(w, opt, pe);
6038 if (subRule.hasPosition() || subRule.hasGeometry() || subRule.hasBox()) {
6039 const QStyleSheetPositionData *pos = subRule.position();
6040 QRect originRect = grooveRect;
6041 if (rule.hasBox()) {
6042 Origin origin = (pos && pos->origin != Origin_Unknown) ? pos->origin : defaultOrigin(pe);
6043 originRect = rule.originRect(opt->rect, origin);
6044 }
6045 return positionRect(w, subRule, pe, originRect, styleOptionSlider.direction);
6046 }
6047 }
6048 }
6049 return rule.baseStyleCanDraw() ? baseStyle()->subControlRect(cc, &styleOptionSlider, sc, w)
6050 : QWindowsStyle::subControlRect(cc, &styleOptionSlider, sc, w);
6051 }
6052 break;
6053#endif // QT_CONFIG(scrollbar)
6054
6055#if QT_CONFIG(slider)
6056 case CC_Slider:
6057 if (const QStyleOptionSlider *slider = qstyleoption_cast<const QStyleOptionSlider *>(opt)) {
6058 QRenderRule subRule = renderRule(w, opt, PseudoElement_SliderGroove);
6059 if (!subRule.hasDrawable())
6060 break;
6061 subRule.img = nullptr;
6062 QRect gr = positionRect(w, rule, subRule, PseudoElement_SliderGroove, opt->rect, opt->direction);
6063 switch (sc) {
6064 case SC_SliderGroove:
6065 return gr;
6066 case SC_SliderHandle: {
6067 bool horizontal = slider->orientation & Qt::Horizontal;
6068 QRect cr = subRule.contentsRect(gr);
6069 QRenderRule subRule2 = renderRule(w, opt, PseudoElement_SliderHandle);
6070 int len = horizontal ? subRule2.size().width() : subRule2.size().height();
6071 subRule2.img = nullptr;
6072 subRule2.geo = nullptr;
6073 cr = positionRect(w, subRule2, PseudoElement_SliderHandle, cr, opt->direction);
6074 int thickness = horizontal ? cr.height() : cr.width();
6075 int sliderPos = sliderPositionFromValue(slider->minimum, slider->maximum, slider->sliderPosition,
6076 (horizontal ? cr.width() : cr.height()) - len, slider->upsideDown);
6077 cr = horizontal ? QRect(cr.x() + sliderPos, cr.y(), len, thickness)
6078 : QRect(cr.x(), cr.y() + sliderPos, thickness, len);
6079 return subRule2.borderRect(cr);
6080 break; }
6081 case SC_SliderTickmarks:
6082 // TODO...
6083 default:
6084 break;
6085 }
6086 }
6087 break;
6088#endif // QT_CONFIG(slider)
6089
6090 case CC_MdiControls:
6091 if (hasStyleRule(w, PseudoElement_MdiCloseButton)
6092 || hasStyleRule(w, PseudoElement_MdiNormalButton)
6093 || hasStyleRule(w, PseudoElement_MdiMinButton)) {
6094 QList<QVariant> layout = rule.styleHint("button-layout"_L1).toList();
6095 if (layout.isEmpty())
6096 layout = subControlLayout("mNX");
6097
6098 int x = 0, width = 0;
6099 QRenderRule subRule;
6100 for (const QVariant &val : std::as_const(layout)) {
6101 int layoutButton = val.toInt();
6102 if (layoutButton < PseudoElement_MdiCloseButton
6103 || layoutButton > PseudoElement_MdiNormalButton)
6104 continue;
6105 QStyle::SubControl control = knownPseudoElements[layoutButton].subControl;
6106 if (!(opt->subControls & control))
6107 continue;
6108 subRule = renderRule(w, opt, layoutButton);
6109 width = subRule.size().width();
6110 if (sc == control)
6111 break;
6112 x += width;
6113 }
6114
6115 return subRule.borderRect(QRect(x, opt->rect.top(), width, opt->rect.height()));
6116 }
6117 break;
6118
6119 case CC_TitleBar:
6120 if (const QStyleOptionTitleBar *tb = qstyleoption_cast<const QStyleOptionTitleBar *>(opt)) {
6121 QRenderRule subRule = renderRule(w, opt, PseudoElement_TitleBar);
6122 if (!subRule.hasDrawable() && !subRule.hasBox() && !subRule.hasBorder())
6123 break;
6124 QHash<QStyle::SubControl, QRect> layoutRects = titleBarLayout(w, tb);
6125 return layoutRects.value(sc);
6126 }
6127 break;
6128
6129 default:
6130 break;
6131 }
6132
6133 return baseStyle()->subControlRect(cc, opt, sc, w);
6134}
6135
6136QRect QStyleSheetStyle::subElementRect(SubElement se, const QStyleOption *opt, const QWidget *w) const
6137{
6138 RECURSION_GUARD(return baseStyle()->subElementRect(se, opt, w))
6139
6140 QRenderRule rule = renderRule(w, opt);
6141#if QT_CONFIG(tabbar)
6142 int pe = PseudoElement_None;
6143#endif
6144
6145 switch (se) {
6146 case SE_PushButtonContents:
6147 case SE_PushButtonBevel:
6148 case SE_PushButtonFocusRect:
6149 if (const QStyleOptionButton *btn = qstyleoption_cast<const QStyleOptionButton *>(opt)) {
6150 if (btn->features & QStyleOptionButton::HasMenu
6151 && hasStyleRule(w, PseudoElement_PushButtonMenuIndicator)) {
6152 QStyleOptionButton btnOpt(*btn);
6153 btnOpt.features &= ~QStyleOptionButton::HasMenu;
6154 return rule.baseStyleCanDraw() ? baseStyle()->subElementRect(se, &btnOpt, w)
6155 : QWindowsStyle::subElementRect(se, &btnOpt, w);
6156 }
6157 if (rule.hasBox() || !rule.hasNativeBorder()) {
6158 return visualRect(opt->direction, opt->rect, se == SE_PushButtonBevel
6159 ? rule.borderRect(opt->rect)
6160 : rule.contentsRect(opt->rect));
6161 }
6162 return rule.baseStyleCanDraw() ? baseStyle()->subElementRect(se, btn, w)
6163 : QWindowsStyle::subElementRect(se, btn, w);
6164 }
6165 break;
6166
6167 case SE_LineEditContents:
6168 case SE_FrameContents:
6169 case SE_ShapedFrameContents:
6170 if (rule.hasBox() || !rule.hasNativeBorder()) {
6171 return visualRect(opt->direction, opt->rect, rule.contentsRect(opt->rect));
6172 }
6173 break;
6174
6175 case SE_CheckBoxIndicator:
6176 case SE_RadioButtonIndicator:
6177 if (rule.hasBox() || rule.hasBorder() || hasStyleRule(w, PseudoElement_Indicator)) {
6178 PseudoElement pe = se == SE_CheckBoxIndicator ? PseudoElement_Indicator : PseudoElement_ExclusiveIndicator;
6179 QRenderRule subRule = renderRule(w, opt, pe);
6180 return positionRect(w, rule, subRule, pe, opt->rect, opt->direction);
6181 }
6182 break;
6183
6184 case SE_CheckBoxContents:
6185 case SE_RadioButtonContents:
6186 if (rule.hasBox() || rule.hasBorder() || hasStyleRule(w, PseudoElement_Indicator)) {
6187 bool isRadio = se == SE_RadioButtonContents;
6188 QRect ir = subElementRect(isRadio ? SE_RadioButtonIndicator : SE_CheckBoxIndicator,
6189 opt, w);
6190 ir = visualRect(opt->direction, opt->rect, ir);
6191 int spacing = pixelMetric(isRadio ? PM_RadioButtonLabelSpacing : PM_CheckBoxLabelSpacing, nullptr, w);
6192 QRect cr = rule.contentsRect(opt->rect);
6193 ir.setRect(ir.left() + ir.width() + spacing, cr.y(),
6194 cr.width() - ir.width() - spacing, cr.height());
6195 return visualRect(opt->direction, opt->rect, ir);
6196 }
6197 break;
6198
6199 case SE_ToolBoxTabContents:
6200 if (w && hasStyleRule(w->parentWidget(), PseudoElement_ToolBoxTab)) {
6201 QRenderRule subRule = renderRule(w->parentWidget(), opt, PseudoElement_ToolBoxTab);
6202 return visualRect(opt->direction, opt->rect, subRule.contentsRect(opt->rect));
6203 }
6204 break;
6205
6206 case SE_RadioButtonFocusRect:
6207 case SE_RadioButtonClickRect: // focusrect | indicator
6208 if (rule.hasBox() || rule.hasBorder() || hasStyleRule(w, PseudoElement_Indicator)) {
6209 return opt->rect;
6210 }
6211 break;
6212
6213 case SE_CheckBoxFocusRect:
6214 case SE_CheckBoxClickRect: // relies on indicator and contents
6215 return ParentStyle::subElementRect(se, opt, w);
6216
6217#if QT_CONFIG(itemviews)
6218 case SE_ItemViewItemCheckIndicator:
6219 if (!qstyleoption_cast<const QStyleOptionViewItem *>(opt)) {
6220 return subElementRect(SE_CheckBoxIndicator, opt, w);
6221 }
6222 Q_FALLTHROUGH();
6223 case SE_ItemViewItemText:
6224 case SE_ItemViewItemDecoration:
6225 case SE_ItemViewItemFocusRect:
6226 if (const QStyleOptionViewItem *vopt = qstyleoption_cast<const QStyleOptionViewItem *>(opt)) {
6227 QRenderRule subRule = renderRule(w, opt, PseudoElement_ViewItem);
6228 PseudoElement pe = PseudoElement_None;
6229 if (se == SE_ItemViewItemText || se == SE_ItemViewItemFocusRect)
6230 pe = PseudoElement_ViewItemText;
6231 else if (se == SE_ItemViewItemDecoration && vopt->features & QStyleOptionViewItem::HasDecoration)
6232 pe = PseudoElement_ViewItemIcon;
6233 else if (se == SE_ItemViewItemCheckIndicator && vopt->features & QStyleOptionViewItem::HasCheckIndicator)
6234 pe = PseudoElement_ViewItemIndicator;
6235 else
6236 break;
6237 if (subRule.hasGeometry() || subRule.hasBox() || !subRule.hasNativeBorder() || hasStyleRule(w, pe)) {
6238 QRenderRule subRule2 = renderRule(w, opt, pe);
6239 QStyleOptionViewItem optCopy(*vopt);
6240 optCopy.rect = subRule.contentsRect(vopt->rect);
6241 QRect rect = ParentStyle::subElementRect(se, &optCopy, w);
6242 return positionRect(w, subRule2, pe, rect, opt->direction);
6243 }
6244 }
6245 break;
6246#endif // QT_CONFIG(itemviews)
6247
6248 case SE_HeaderArrow: {
6249 QRenderRule subRule = renderRule(w, opt, PseudoElement_HeaderViewUpArrow);
6250 if (subRule.hasPosition() || subRule.hasGeometry())
6251 return positionRect(w, rule, subRule, PseudoElement_HeaderViewUpArrow, opt->rect, opt->direction);
6252 }
6253 break;
6254
6255 case SE_HeaderLabel: {
6256 QRenderRule subRule = renderRule(w, opt, PseudoElement_HeaderViewSection);
6257 if (subRule.hasBox() || !subRule.hasNativeBorder()) {
6258 auto r = subRule.contentsRect(opt->rect);
6259 return r;
6260 }
6261 }
6262 break;
6263
6264 case SE_ProgressBarGroove:
6265 case SE_ProgressBarContents:
6266 case SE_ProgressBarLabel:
6267 if (const QStyleOptionProgressBar *pb = qstyleoption_cast<const QStyleOptionProgressBar *>(opt)) {
6268 if (rule.hasBox() || !rule.hasNativeBorder() || rule.hasPosition() || hasStyleRule(w, PseudoElement_ProgressBarChunk)) {
6269 if (se == SE_ProgressBarGroove)
6270 return rule.borderRect(pb->rect);
6271 else if (se == SE_ProgressBarContents)
6272 return rule.contentsRect(pb->rect);
6273
6274 QSize sz = pb->fontMetrics.size(0, pb->text);
6275 return QStyle::alignedRect(Qt::LeftToRight, rule.hasPosition() ? rule.position()->textAlignment : pb->textAlignment,
6276 sz, pb->rect);
6277 }
6278 }
6279 break;
6280
6281#if QT_CONFIG(tabbar)
6282 case SE_TabWidgetLeftCorner:
6283 pe = PseudoElement_TabWidgetLeftCorner;
6284 Q_FALLTHROUGH();
6285 case SE_TabWidgetRightCorner:
6286 if (pe == PseudoElement_None)
6287 pe = PseudoElement_TabWidgetRightCorner;
6288 Q_FALLTHROUGH();
6289 case SE_TabWidgetTabBar:
6290 if (pe == PseudoElement_None)
6291 pe = PseudoElement_TabWidgetTabBar;
6292 Q_FALLTHROUGH();
6293 case SE_TabWidgetTabPane:
6294 case SE_TabWidgetTabContents:
6295 if (pe == PseudoElement_None)
6296 pe = PseudoElement_TabWidgetPane;
6297
6298 if (hasStyleRule(w, pe)) {
6299 QRect r = QWindowsStyle::subElementRect(pe == PseudoElement_TabWidgetPane ? SE_TabWidgetTabPane : se, opt, w);
6300 QRenderRule subRule = renderRule(w, opt, pe);
6301 r = positionRect(w, subRule, pe, r, opt->direction);
6302 if (pe == PseudoElement_TabWidgetTabBar) {
6303 Q_ASSERT(opt);
6304 r = opt->rect.intersected(r);
6305 }
6306 if (se == SE_TabWidgetTabContents)
6307 r = subRule.contentsRect(r);
6308 return r;
6309 }
6310 break;
6311
6312 case SE_TabBarScrollLeftButton:
6313 case SE_TabBarScrollRightButton:
6314 if (hasStyleRule(w, PseudoElement_TabBarScroller)) {
6315 QStyleSheetProxySaver proxySaver(this);
6316 return baseStyle()->subElementRect(se, opt, w);
6317 }
6318 break;
6319
6320 case SE_TabBarTearIndicator: {
6321 QRenderRule subRule = renderRule(w, opt, PseudoElement_TabBarTear);
6322 if (subRule.hasContentsSize()) {
6323 QRect r;
6324 if (const QStyleOptionTab *tab = qstyleoption_cast<const QStyleOptionTab *>(opt)) {
6325 switch (tab->shape) {
6326 case QTabBar::RoundedNorth:
6327 case QTabBar::TriangularNorth:
6328 case QTabBar::RoundedSouth:
6329 case QTabBar::TriangularSouth:
6330 r.setRect(tab->rect.left(), tab->rect.top(), subRule.size().width(), opt->rect.height());
6331 break;
6332 case QTabBar::RoundedWest:
6333 case QTabBar::TriangularWest:
6334 case QTabBar::RoundedEast:
6335 case QTabBar::TriangularEast:
6336 r.setRect(tab->rect.left(), tab->rect.top(), opt->rect.width(), subRule.size().height());
6337 break;
6338 default:
6339 break;
6340 }
6341 r = visualRect(opt->direction, opt->rect, r);
6342 }
6343 return r;
6344 }
6345 break;
6346 }
6347 case SE_TabBarTabText:
6348 case SE_TabBarTabLeftButton:
6349 case SE_TabBarTabRightButton: {
6350 QRenderRule subRule = renderRule(w, opt, PseudoElement_TabBarTab);
6351 if (subRule.hasBox() || !subRule.hasNativeBorder() || subRule.hasFont) {
6352 if (se == SE_TabBarTabText) {
6353 if (const QStyleOptionTab *tab = qstyleoption_cast<const QStyleOptionTab *>(opt)) {
6354 const QTabBar *bar = qobject_cast<const QTabBar *>(w);
6355 const QRect optRect = bar && tab->tabIndex != -1 ? bar->tabRect(tab->tabIndex) : opt->rect;
6356 const QRect r = positionRect(w, subRule, PseudoElement_TabBarTab, optRect, opt->direction);
6357 QStyleOptionTab tabCopy(*tab);
6358 if (subRule.hasFont) {
6359 const QFont ruleFont = w ? subRule.font.resolve(w->font()) : subRule.font;
6360 tabCopy.fontMetrics = QFontMetrics(ruleFont);
6361 }
6362 tabCopy.rect = subRule.contentsRect(r);
6363 return ParentStyle::subElementRect(se, &tabCopy, w);
6364 }
6365 }
6366 return ParentStyle::subElementRect(se, opt, w);
6367 }
6368 break;
6369 }
6370#endif // QT_CONFIG(tabbar)
6371
6372 case SE_DockWidgetCloseButton:
6373 case SE_DockWidgetFloatButton: {
6374 PseudoElement pe = (se == SE_DockWidgetCloseButton) ? PseudoElement_DockWidgetCloseButton : PseudoElement_DockWidgetFloatButton;
6375 QRenderRule subRule2 = renderRule(w, opt, pe);
6376 if (!subRule2.hasPosition())
6377 break;
6378 QRenderRule subRule = renderRule(w, opt, PseudoElement_DockWidgetTitle);
6379 return positionRect(w, subRule, subRule2, pe, opt->rect, opt->direction);
6380 }
6381
6382#if QT_CONFIG(toolbar)
6383 case SE_ToolBarHandle:
6384 if (hasStyleRule(w, PseudoElement_ToolBarHandle))
6385 return ParentStyle::subElementRect(se, opt, w);
6386 break;
6387#endif // QT_CONFIG(toolbar)
6388
6389 // On mac we make pixel adjustments to layouts which are not
6390 // desirable when you have custom style sheets on them
6391 case SE_CheckBoxLayoutItem:
6392 case SE_ComboBoxLayoutItem:
6393 case SE_DateTimeEditLayoutItem:
6394 case SE_LabelLayoutItem:
6395 case SE_ProgressBarLayoutItem:
6396 case SE_PushButtonLayoutItem:
6397 case SE_RadioButtonLayoutItem:
6398 case SE_SliderLayoutItem:
6399 case SE_SpinBoxLayoutItem:
6400 case SE_ToolButtonLayoutItem:
6401 case SE_FrameLayoutItem:
6402 case SE_GroupBoxLayoutItem:
6403 case SE_TabWidgetLayoutItem:
6404 if (!rule.hasNativeBorder())
6405 return opt->rect;
6406 break;
6407
6408 default:
6409 break;
6410 }
6411
6412 return baseStyle()->subElementRect(se, opt, w);
6413}
6414
6415bool QStyleSheetStyle::event(QEvent *e)
6416{
6417 return (baseStyle()->event(e) && e->isAccepted()) || ParentStyle::event(e);
6418}
6419
6420void QStyleSheetStyle::updateStyleSheetFont(QWidget* w) const
6421{
6422 // Qt's fontDialog relies on the font of the sample edit for its selection,
6423 // we should never override it.
6424 if (w->objectName() == "qt_fontDialog_sampleEdit"_L1)
6425 return;
6426
6427 QWidget *container = containerWidget(w);
6428 QRenderRule rule = renderRule(container, PseudoElement_None,
6429 PseudoClass_Active | PseudoClass_Enabled | extendedPseudoClass(container));
6430
6431 const bool useStyleSheetPropagationInWidgetStyles =
6432 QCoreApplication::testAttribute(Qt::AA_UseStyleSheetPropagationInWidgetStyles);
6433
6434 if (useStyleSheetPropagationInWidgetStyles) {
6435 unsetStyleSheetFont(w);
6436
6437 if (rule.font.resolveMask()) {
6438 QFont wf = w->d_func()->localFont();
6439 styleSheetCaches->customFontWidgets.insert(w, {wf, rule.font.resolveMask()});
6440
6441 QFont font = rule.font.resolve(wf);
6442 font.setResolveMask(wf.resolveMask() | rule.font.resolveMask());
6443 w->setFont(font);
6444 }
6445 } else {
6446 QFont wf = w->d_func()->localFont();
6447 QFont font = rule.font.resolve(wf);
6448 font.setResolveMask(wf.resolveMask() | rule.font.resolveMask());
6449
6450 if ((!w->isWindow() || w->testAttribute(Qt::WA_WindowPropagation))
6451 && isNaturalChild(w) && w->parentWidget()) {
6452 const auto parentFont = w->parentWidget()->font();
6453 font = rule.hasFont ? font.resolve(parentFont) : parentFont;
6454 }
6455
6456 if (wf.resolveMask() == font.resolveMask() && wf == font)
6457 return;
6458
6459 w->data->fnt = font;
6460 w->d_func()->directFontResolveMask = font.resolveMask();
6461
6462 QEvent e(QEvent::FontChange);
6463 QCoreApplication::sendEvent(w, &e);
6464 }
6465}
6466
6467void QStyleSheetStyle::saveWidgetFont(QWidget* w, const QFont& font) const
6468{
6469 w->setProperty("_q_styleSheetWidgetFont", font);
6470}
6471
6472void QStyleSheetStyle::clearWidgetFont(QWidget* w) const
6473{
6474 w->setProperty("_q_styleSheetWidgetFont", QVariant());
6475}
6476
6477// Polish palette that should be used for a particular widget, with particular states
6478// (eg. :focus, :hover, ...)
6479// this is called by widgets that paint themself in their paint event
6480// Returns \c true if there is a new palette in pal.
6481bool QStyleSheetStyle::styleSheetPalette(const QWidget* w, const QStyleOption* opt, QPalette* pal)
6482{
6483 if (!w || !opt || !pal)
6484 return false;
6485
6486 RECURSION_GUARD(return false)
6487
6488 w = containerWidget(w);
6489
6490 QRenderRule rule = renderRule(w, PseudoElement_None, pseudoClass(opt->state) | extendedPseudoClass(w));
6491 if (!rule.hasPalette())
6492 return false;
6493
6494 rule.configurePalette(pal, QPalette::NoRole, QPalette::NoRole);
6495 return true;
6496}
6497
6498Qt::Alignment QStyleSheetStyle::resolveAlignment(Qt::LayoutDirection layDir, Qt::Alignment src)
6499{
6500 if (layDir == Qt::LeftToRight || src & Qt::AlignAbsolute)
6501 return src;
6502
6503 if (src & Qt::AlignLeft) {
6504 src &= ~Qt::AlignLeft;
6505 src |= Qt::AlignRight;
6506 } else if (src & Qt::AlignRight) {
6507 src &= ~Qt::AlignRight;
6508 src |= Qt::AlignLeft;
6509 }
6510 src |= Qt::AlignAbsolute;
6511 return src;
6512}
6513
6514// Returns whether the given QWidget has a "natural" parent, meaning that
6515// the parent contains this child as part of its normal operation.
6516// An example is the QTabBar inside a QTabWidget.
6517// This does not mean that any QTabBar which is a child of QTabWidget will
6518// match, only the one that was created by the QTabWidget initialization
6519// (and hence has the correct object name).
6520bool QStyleSheetStyle::isNaturalChild(const QObject *obj)
6521{
6522 if (obj->objectName().startsWith("qt_"_L1))
6523 return true;
6524
6525 return false;
6526}
6527
6528QPixmap QStyleSheetStyle::loadPixmap(const QString &fileName, const QObject *context)
6529{
6530 if (fileName.isEmpty())
6531 return {};
6532
6533 qreal ratio = -1.0;
6534 if (const QWidget *widget = qobject_cast<const QWidget *>(context)) {
6535 if (QScreen *screen = QApplication::screenAt(widget->mapToGlobal(QPoint(0, 0))))
6536 ratio = screen->devicePixelRatio();
6537 }
6538
6539 if (ratio < 0) {
6540 if (const QApplication *app = qApp)
6541 ratio = app->devicePixelRatio();
6542 else
6543 ratio = 1.0;
6544 }
6545
6546 qreal sourceDevicePixelRatio = 1.0;
6547 QString resolvedFileName = qt_findAtNxFile(fileName, ratio, &sourceDevicePixelRatio);
6548 QPixmap pixmap(resolvedFileName);
6549 pixmap.setDevicePixelRatio(sourceDevicePixelRatio);
6550 return pixmap;
6551}
6552
6553QT_END_NAMESPACE
6554
6555#include "moc_qstylesheetstyle_p.cpp"
6556
6557#endif // QT_CONFIG(style_stylesheet)