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qwasmdom.h
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1// Copyright (C) 2022 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
3
4#ifndef QWASMDOM_H
5#define QWASMDOM_H
6
7#include <QtCore/qtconfigmacros.h>
8#include <QtCore/QPointF>
9#include <private/qstdweb_p.h>
10#include <QtCore/qnamespace.h>
11
12#include <emscripten/val.h>
13
14#include <functional>
15#include <memory>
16#include <string>
17
18#include <QMimeData>
19QT_BEGIN_NAMESPACE
20
21namespace qstdweb {
22 struct CancellationFlag;
23}
24
25
26class QPoint;
27class QRect;
28
29namespace dom {
31{
32 explicit DataTransfer(emscripten::val webDataTransfer);
38
39 void toMimeDataWithFile(std::function<void(QMimeData *)> callback);
41 void setDragImage(emscripten::val element, const QPoint &hotspot);
42 void setData(std::string format, std::string data);
43 void setDropAction(Qt::DropAction dropAction);
44 void setDataFromMimeData(const QMimeData &mimeData);
45
47};
48
49inline emscripten::val document()
50{
51 return emscripten::val::global("document");
52}
53
54void syncCSSClassWith(emscripten::val element, std::string cssClassName, bool flag);
55
56QPointF mapPoint(emscripten::val source, emscripten::val target, const QPointF &point);
57
58void drawImageToWebImageDataArray(const QImage &source, emscripten::val destinationImageData,
59 const QRect &sourceRect);
60} // namespace dom
61
62QT_END_NAMESPACE
63#endif // QWASMDOM_H
void onClientAreaWidthChange(int width)
TitleBar * titleBar() const
NonClientArea(QWasmWindow *window, emscripten::val containerElement)
\inmodule QtCore\reentrant
Definition qpoint.h:29
void cancelAnimationFrame(int64_t id)
QWasmAnimationFrameHandler(std::function< void(double)> handler)
void flush(QWindow *window, const QRegion &region, const QPoint &offset) override
Flushes the given region from the specified window.
QWasmBackingStore(QWasmCompositor *compositor, QWindow *window)
emscripten::val getUpdatedWebImage(QWasmWindow *window)
void beginPaint(const QRegion &) override
This function is called before painting onto the surface begins, with the region in which the paintin...
void resize(const QSize &size, const QRegion &staticContents) override
void updateTexture(QWasmWindow *window)
QPaintDevice * paintDevice() override
Implement this function to return the appropriate paint device.
const QImage & getImageRef() const
QImage toImage() const override
Implemented in subclasses to return the content of the backingstore as a QImage.
void onScreenDeleting()
void onWindowTreeChanged(QWasmWindowTreeNodeChangeType changeType, QWasmWindow *window)
void handleBackingStoreFlush(QWindow *window, const QRect &updateRect)
void setVisible(QWasmWindow *window, bool visible)
static bool releaseRequestUpdateHold()
void setEnabled(bool enabled)
QWasmScreen * screen()
QWasmCompositor(QWasmScreen *screen)
void requestUpdateWindow(QWasmWindow *window, const QRect &updateRect, UpdateRequestDeliveryType updateType=ExposeEventDelivery)
QPlatformInputContext * inputContext() const override
Returns the platforms input context.
void setContainerElements(emscripten::val elementArray)
static QWasmIntegration * get()
Qt::WindowState defaultWindowState(Qt::WindowFlags flags) const override
QPlatformFontDatabase * fontDatabase() const override
Accessor for the platform integration's fontdatabase.
QPlatformOffscreenSurface * createPlatformOffscreenSurface(QOffscreenSurface *surface) const override
Factory function for QOffscreenSurface.
void addContainerElement(emscripten::val elementArray)
void initialize() override
Performs initialization steps that depend on having an event dispatcher available.
QWasmClipboard * getWasmClipboard()
void removeContainerElement(emscripten::val elementArray)
QAbstractEventDispatcher * createEventDispatcher() const override
Factory function for the GUI event dispatcher.
QStringList themeNames() const override
void loadLocalFontFamilies(emscripten::val families)
QPlatformOpenGLContext * createPlatformOpenGLContext(QOpenGLContext *context) const override
Factory function for QPlatformOpenGLContext.
QWasmInputContext * wasmInputContext() const
void removeBackingStore(QWindow *window)
QPlatformBackingStore * createPlatformBackingStore(QWindow *window) const override
Factory function for QPlatformBackingStore.
static quint64 getTimestamp()
QPlatformServices * services() const override
QPlatformWindow * createForeignWindow(QWindow *window, WId nativeHandle) const override
QPlatformTheme * createPlatformTheme(const QString &name) const override
void resizeScreen(const emscripten::val &canvas)
QVariant styleHint(QPlatformIntegration::StyleHint hint) const override
bool hasCapability(QPlatformIntegration::Capability cap) const override
QPlatformWindow * createPlatformWindow(QWindow *window) const override
Factory function for QPlatformWindow.
QPlatformAccessibility * accessibility() const override
static QWasmScreen * get(QPlatformScreen *screen)
QString name() const override
QList< QWasmWindow * > allWindows() const
void installCanvasResizeObserver()
emscripten::val element() const
QPointF mapFromLocal(const QPointF &p) const
void deleteScreen()
QWindow * topLevelAt(const QPoint &p) const override
Return the given top level window for a given position.
QPointF clipPoint(const QPointF &p) const
QWasmCompositor * compositor()
QPlatformCursor * cursor() const override
Reimplement this function in subclass to return the cursor of the screen.
QImage::Format format() const override
Reimplement in subclass to return the image format which corresponds to the screen format.
QWasmWindowTreeNode * parentNode() final
qreal devicePixelRatio() const override
Reimplement this function in subclass to return the device pixel ratio for the screen.
void resizeMaximizedWindows()
void onSubtreeChanged(QWasmWindowTreeNodeChangeType changeType, QWasmWindowTreeNode *parent, QWasmWindow *child) final
QPointingDevice * touchDevice()
Definition qwasmscreen.h:40
void invalidateSize()
QPointingDevice * tabletDevice()
Definition qwasmscreen.h:41
QString outerScreenId() const
int depth() const override
Reimplement in subclass to return current depth of the screen.
QWindow * topWindow() const
QDpi logicalDpi() const override
Reimplement this function in subclass to return the logical horizontal and vertical dots per inch met...
void updateQScreenSize()
QWasmDeadKeySupport * deadKeySupport()
Definition qwasmscreen.h:44
static void canvasResizeObserverCallback(emscripten::val entries, emscripten::val)
emscripten::val containerElement() final
QRect geometry() const override
Reimplement in subclass to return the pixel geometry of the screen.
static uint64_t s_nextActiveIndex
virtual void setWindowZOrder(Window *window, int z)
void onPositionPreferenceChanged(typename QWasmWindowStack< Window >::PositionPreference positionPreference)
virtual QWasmWindowTreeNode * parentNode()=0
virtual emscripten::val containerElement()=0
virtual Window * asWasmWindow()
virtual ~QWasmWindowTreeNode()
virtual void onSubtreeChanged(QWasmWindowTreeNodeChangeType changeType, QWasmWindowTreeNode *parent, Window *child)
virtual void onParentChanged(QWasmWindowTreeNode *previous, QWasmWindowTreeNode *current, typename QWasmWindowStack< Window >::PositionPreference positionPreference)
void setVisible(bool visible) override
Reimplemented in subclasses to show the surface if visible is true, and hide it if visible is false.
qreal devicePixelRatio() const override
Reimplement this function in subclass to return the device pixel ratio for the window.
QRect normalGeometry() const override
Returns the geometry of a window in 'normal' state (neither maximized, fullscreen nor minimized) for ...
QWasmWindow(QWindow *w, QWasmDeadKeySupport *deadKeySupport, QWasmCompositor *compositor, QWasmBackingStore *backingStore, WId nativeHandle)
QSurfaceFormat format() const override
Returns the actual surface format of the window.
void setParent(const QPlatformWindow *window) final
This function is called to enable native child window in QPA.
static QWasmWindow * fromWindow(const QWindow *window)
void raise() override
Reimplement to be able to let Qt raise windows to the top of the desktop.
void setWindowTitle(const QString &title) override
Reimplement to set the window title to title.
void requestActivateWindow() override
Reimplement to let Qt be able to request activation/focus for a window.
WId winId() const override
Reimplement in subclasses to return a handle to the native window.
emscripten::val clientArea() const override
void onToggleMaximized()
std::string canvasSelector() const
emscripten::val a11yContainer() const
friend class QWasmCompositor
void onNonClientAreaInteraction()
emscripten::val inputHandlerElement() const
void setGeometry(const QRect &) override
This function is called by Qt whenever a window is moved or resized using the QWindow API.
bool setMouseGrabEnabled(bool grab) final
bool onNonClientEvent(const PointerEvent &event)
void setWindowCursor(QByteArray cssCursorName)
void setZOrder(int order)
emscripten::val context2d() const
void setMask(const QRegion &region) final
Reimplement to be able to let Qt set the mask of a window.
QWasmWindow * transientParent() const
void setBackingStore(QWasmBackingStore *store)
Definition qwasmwindow.h:96
QWasmWindowTreeNode * parentNode() final
void onModalityChanged()
void initialize() override
Called as part of QWindow::create(), after constructing the window.
bool isModal() const
emscripten::val document() const override
Qt::WindowFlags windowFlags() const
bool isVisible() const
void registerEventHandlers()
~QWasmWindow() final
void onMaximizeClicked()
void requestUpdate() override
Requests an QEvent::UpdateRequest event.
QWasmBackingStore * backingStore() const
Definition qwasmwindow.h:97
void lower() override
Reimplement to be able to let Qt lower windows to the bottom of the desktop.
void onParentChanged(QWasmWindowTreeNode *previous, QWasmWindowTreeNode *current, QWasmWindowStack<>::PositionPreference positionPreference) final
void onRestoreClicked()
void setOpacity(qreal level) override
Reimplement to be able to let Qt set the opacity level of a window.
void onActivationChanged(bool active)
void onAccessibilityEnable()
void setWindowState(Qt::WindowStates state) override
Requests setting the window state of this surface to type.
void setWindowIcon(const QIcon &icon) override
Reimplement to set the window icon to icon.
emscripten::val inputElement() const
void propagateSizeHints() override
Reimplement to propagate the size hints of the QWindow.
bool setKeyboardGrabEnabled(bool) override
Definition qwasmwindow.h:87
QMargins frameMargins() const override
void onCloseClicked()
QWasmWindow * asWasmWindow() final
bool windowEvent(QEvent *event) final
Reimplement this method to be able to do any platform specific event handling.
QWasmScreen * platformScreen() const
emscripten::val containerElement() final
void setWindowFlags(Qt::WindowFlags flags) override
Requests setting the window flags of this surface to flags.
bool onPointerUp(const PointerEvent &event)
static constexpr const char * cssClassNameForEdges(Qt::Edges edges)
ResizerElement(ResizerElement &&other)
ResizerElement(emscripten::val parentElement, Qt::Edges edges, Resizer *resizer)
ResizerElement & operator=(ResizerElement &&other)=delete
ResizerElement & operator=(const ResizerElement &other)=delete
bool onPointerDown(const PointerEvent &event)
bool onPointerMove(const PointerEvent &event)
ResizerElement(const ResizerElement &other)=delete
Resizer(QWasmWindow *window, emscripten::val parentElement)
std::function< void()> ClickCallback
ResizeConstraints getResizeConstraints()
void setTitle(const QString &title)
void setMaximizeVisible(bool visible)
TitleBar(QWasmWindow *window, emscripten::val parentElement)
QRectF geometry() const
void setWidth(int width)
void setIcon(std::string_view imageData, std::string_view format)
void setCloseVisible(bool visible)
void setRestoreVisible(bool visible)
Callbacks & operator=(Callbacks &&)
Callbacks(std::function< void()> onInteraction, std::function< void()> onClick)
Callbacks(const Callbacks &)=delete
Callbacks & operator=(const Callbacks &)=delete
void setImage(std::string_view imageData, std::string_view format)
emscripten::val htmlElement() const
void setVisible(bool visible)
emscripten::val imageElement() const
void setCallbacks(Callbacks callbacks)
Definition qwasmdom.h:29
void drawImageToWebImageDataArray(const QImage &source, emscripten::val destinationImageData, const QRect &sourceRect)
Definition qwasmdom.cpp:268
void syncCSSClassWith(emscripten::val element, std::string cssClassName, bool flag)
Definition qwasmdom.cpp:247
QPointF mapPoint(emscripten::val source, emscripten::val target, const QPointF &point)
Definition qwasmdom.cpp:257
emscripten::val document()
Definition qwasmdom.h:49
DeltaMode
Definition qwasmevent.h:53
PointerType
Definition qwasmevent.h:41
EventType
Definition qwasmevent.h:24
@ PointerCancel
Definition qwasmevent.h:37
WindowArea
Definition qwasmevent.h:48
QT_BEGIN_NAMESPACE Platform platform()
QWasmWindowTreeNodeChangeType
void acceptDrop()
void acceptDragOver()
void cancelDragStart()
QWindow * targetWindow
Definition qwasmevent.h:150
dom::DataTransfer dataTransfer
Definition qwasmevent.h:149
Qt::DropAction dropAction
Definition qwasmevent.h:148
emscripten::val webEvent
Definition qwasmevent.h:61
bool isTargetedForQtElement() const
emscripten::val target() const
Definition qwasmevent.h:63
EventType type
Definition qwasmevent.h:62
bool deadKey
Definition qwasmevent.h:72
QString text
Definition qwasmevent.h:73
bool autoRepeat
Definition qwasmevent.h:74
Qt::Key key
Definition qwasmevent.h:70
QFlags< Qt::KeyboardModifier > modifiers
Definition qwasmevent.h:71
static constexpr Qt::MouseButton buttonFromWeb(int webButton)
Definition qwasmevent.h:81
QPointF localPoint
Definition qwasmevent.h:116
static constexpr QEvent::Type mouseEventTypeFromEventType(EventType eventType, WindowArea windowArea)
Definition qwasmevent.h:99
QFlags< Qt::KeyboardModifier > modifiers
Definition qwasmevent.h:121
QPointF pointInViewport
Definition qwasmevent.h:118
Qt::MouseButton mouseButton
Definition qwasmevent.h:119
static constexpr Qt::MouseButtons buttonsFromWeb(unsigned short webButtons)
Definition qwasmevent.h:94
Qt::MouseButtons mouseButtons
Definition qwasmevent.h:120
QPointF pointInPage
Definition qwasmevent.h:117
PointerType pointerType
Definition qwasmevent.h:128
qreal tangentialPressure
Definition qwasmevent.h:133
DeltaMode deltaMode
Definition qwasmevent.h:157
bool webkitDirectionInvertedFromDevice
Definition qwasmevent.h:158
QPointF delta
Definition qwasmevent.h:159
DataTransfer(emscripten::val webDataTransfer)
Definition qwasmdom.cpp:41
DataTransfer(DataTransfer &&other)
void toMimeDataWithFile(std::function< void(QMimeData *)> callback)
Definition qwasmdom.cpp:88
void setDragImage(emscripten::val element, const QPoint &hotspot)
Definition qwasmdom.cpp:55
DataTransfer(const DataTransfer &other)
void setDataFromMimeData(const QMimeData &mimeData)
Definition qwasmdom.cpp:72
QMimeData * toMimeDataPreview()
Definition qwasmdom.cpp:229
DataTransfer & operator=(const DataTransfer &other)
emscripten::val webDataTransfer
Definition qwasmdom.h:46
DataTransfer & operator=(DataTransfer &&other)
void setData(std::string format, std::string data)
Definition qwasmdom.cpp:61
void setDropAction(Qt::DropAction dropAction)
Definition qwasmdom.cpp:67