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QWindowsContext Class Reference

Singleton container for all relevant information. More...

#include <qwindowscontext.h>

Collaboration diagram for QWindowsContext:

Public Types

enum  SystemInfoFlags { SI_RTL_Extensions = 0x1 , SI_SupportsTouch = 0x2 }
using HandleBaseWindowHash = QHash<HWND, QWindowsWindow *>

Public Member Functions

 QWindowsContext ()
 ~QWindowsContext ()
bool initTouch ()
bool initTouch (unsigned integrationOptions)
void registerTouchWindows ()
bool initTablet ()
bool disposeTablet ()
bool initPowerNotificationHandler ()
int defaultDPI () const
QString registerWindowClass (const QWindow *w)
QString registerWindowClass (QString cname, WNDPROC proc, unsigned style=0, HBRUSH brush=nullptr, bool icon=false)
HWND createDummyWindow (const QString &classNameIn, const wchar_t *windowName, WNDPROC wndProc=nullptr, DWORD style=WS_OVERLAPPED)
 Convenience to create a non-visible, message-only dummy window for example used as clipboard watcher or for GL.
HDC displayContext () const
int screenDepth () const
void addWindow (HWND, QWindowsWindow *w)
void removeWindow (HWND)
QWindowsWindow * findClosestPlatformWindow (HWND) const
QWindowsWindow * findPlatformWindow (HWND) const
QWindowsWindow * findPlatformWindow (const QWindowsMenuBar *mb) const
QWindow * findWindow (HWND) const
QWindowsWindow * findPlatformWindowAt (HWND parent, const QPoint &screenPoint, unsigned cwex_flags) const
QWindow * windowUnderMouse () const
void clearWindowUnderMouse ()
bool windowsProc (HWND hwnd, UINT message, QtWindows::WindowsEventType et, WPARAM wParam, LPARAM lParam, LRESULT *result, QWindowsWindow **platformWindowPtr)
 Main windows procedure registered for windows.
QWindow * keyGrabber () const
void setKeyGrabber (QWindow *hwnd)
QSharedPointer< QWindowCreationContext > setWindowCreationContext (const QSharedPointer< QWindowCreationContext > &ctx)
QSharedPointer< QWindowCreationContext > windowCreationContext () const
void setDetectAltGrModifier (bool a)
unsigned systemInfo () const
bool useRTLExtensions () const
QPlatformKeyMapper * keyMapper () const
HandleBaseWindowHash & windows ()
QWindowsMimeRegistry & mimeConverter () const
QWindowsScreenManager & screenManager ()
QWindowsTabletSupport * tabletSupport () const
bool asyncExpose () const
void setAsyncExpose (bool value)

Static Public Member Functions

static QString classNamePrefix ()
static QWindowsContext * instance ()
static bool shouldHaveNonClientDpiScaling (const QWindow *window)
static void setTabletAbsoluteRange (int a)
static bool setProcessDpiAwareness (QtWindows::DpiAwareness dpiAwareness)
static QtWindows::DpiAwareness processDpiAwareness ()
static QtWindows::DpiAwareness windowDpiAwareness (HWND hwnd)
static bool isSessionLocked ()
static void forceNcCalcSize (HWND hwnd)
static bool systemParametersInfo (unsigned action, unsigned param, void *out, unsigned dpi=0)
static bool systemParametersInfoForScreen (unsigned action, unsigned param, void *out, const QPlatformScreen *screen=nullptr)
static bool systemParametersInfoForWindow (unsigned action, unsigned param, void *out, const QPlatformWindow *win=nullptr)
static bool nonClientMetrics (NONCLIENTMETRICS *ncm, unsigned dpi=0)
static bool nonClientMetricsForScreen (NONCLIENTMETRICS *ncm, const QPlatformScreen *screen=nullptr)
static bool nonClientMetricsForWindow (NONCLIENTMETRICS *ncm, const QPlatformWindow *win=nullptr)
static DWORD readAdvancedExplorerSettings (const wchar_t *subKey, DWORD defaultValue)
static bool filterNativeEvent (MSG *msg, LRESULT *result)
static bool filterNativeEvent (QWindow *window, MSG *msg, LRESULT *result)

Static Public Attributes

static int verbose = 0

Detailed Description

Singleton container for all relevant information.

Holds state information formerly stored in qapplication_win.cpp.

Definition at line 48 of file qwindowscontext.h.

Member Typedef Documentation

◆ HandleBaseWindowHash

using QWindowsContext::HandleBaseWindowHash = QHash<HWND, QWindowsWindow *>

Definition at line 52 of file qwindowscontext.h.

Member Enumeration Documentation

◆ SystemInfoFlags

enum QWindowsContext::SystemInfoFlags
Enumerator
SI_RTL_Extensions 
SI_SupportsTouch 

Definition at line 54 of file qwindowscontext.h.

Constructor & Destructor Documentation

◆ QWindowsContext()

QWindowsContext::QWindowsContext ( )
explicit

Definition at line 179 of file qwindowscontext.cpp.

References QWindowsContext().

Referenced by QWindowsContext().

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◆ ~QWindowsContext()

QWindowsContext::~QWindowsContext ( )

Definition at line 185 of file qwindowscontext.cpp.

References QWindowsTheme::instance().

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Member Function Documentation

◆ addWindow()

void QWindowsContext::addWindow ( HWND hwnd,
QWindowsWindow * w )

Definition at line 665 of file qwindowscontext.cpp.

◆ asyncExpose()

bool QWindowsContext::asyncExpose ( ) const

Definition at line 1445 of file qwindowscontext.cpp.

Referenced by QWindowsApplication::asyncExpose().

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◆ classNamePrefix()

QString QWindowsContext::classNamePrefix ( )
static

Definition at line 510 of file qwindowscontext.cpp.

◆ clearWindowUnderMouse()

void QWindowsContext::clearWindowUnderMouse ( )

Definition at line 723 of file qwindowscontext.cpp.

◆ createDummyWindow()

HWND QWindowsContext::createDummyWindow ( const QString & classNameIn,
const wchar_t * windowName,
WNDPROC wndProc = nullptr,
DWORD style = WS_OVERLAPPED )

Convenience to create a non-visible, message-only dummy window for example used as clipboard watcher or for GL.

Definition at line 847 of file qwindowscontext.cpp.

◆ defaultDPI()

int QWindowsContext::defaultDPI ( ) const

Definition at line 490 of file qwindowscontext.cpp.

Referenced by QWindowsTheme::themeHint().

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◆ displayContext()

HDC QWindowsContext::displayContext ( ) const

Definition at line 495 of file qwindowscontext.cpp.

◆ disposeTablet()

bool QWindowsContext::disposeTablet ( )

Definition at line 263 of file qwindowscontext.cpp.

Referenced by QWindowsApplication::setWinTabEnabled().

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◆ filterNativeEvent() [1/2]

bool QWindowsContext::filterNativeEvent ( MSG * msg,
LRESULT * result )
static

Definition at line 1544 of file qwindowscontext.cpp.

◆ filterNativeEvent() [2/2]

bool QWindowsContext::filterNativeEvent ( QWindow * window,
MSG * msg,
LRESULT * result )
static

Definition at line 1556 of file qwindowscontext.cpp.

◆ findClosestPlatformWindow()

QWindowsWindow * QWindowsContext::findClosestPlatformWindow ( HWND hwnd) const

Definition at line 694 of file qwindowscontext.cpp.

◆ findPlatformWindow() [1/2]

QWindowsWindow * QWindowsContext::findPlatformWindow ( const QWindowsMenuBar * mb) const

Definition at line 680 of file qwindowscontext.cpp.

Referenced by findPlatformWindowAt(), findPlatformWindowHelper(), findWindow(), and windowsProc().

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◆ findPlatformWindow() [2/2]

QWindowsWindow * QWindowsContext::findPlatformWindow ( HWND hwnd) const

Definition at line 689 of file qwindowscontext.cpp.

◆ findPlatformWindowAt()

QWindowsWindow * QWindowsContext::findPlatformWindowAt ( HWND parent,
const QPoint & screenPoint,
unsigned cwex_flags ) const

Definition at line 776 of file qwindowscontext.cpp.

References findPlatformWindow().

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◆ findWindow()

QWindow * QWindowsContext::findWindow ( HWND hwnd) const

Definition at line 711 of file qwindowscontext.cpp.

References findPlatformWindow().

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◆ forceNcCalcSize()

void QWindowsContext::forceNcCalcSize ( HWND hwnd)
static

Definition at line 861 of file qwindowscontext.cpp.

◆ initPowerNotificationHandler()

bool QWindowsContext::initPowerNotificationHandler ( )

Definition at line 304 of file qwindowscontext.cpp.

◆ initTablet()

bool QWindowsContext::initTablet ( )

Definition at line 253 of file qwindowscontext.cpp.

Referenced by QWindowsApplication::setWinTabEnabled().

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◆ initTouch() [1/2]

bool QWindowsContext::initTouch ( )

Definition at line 216 of file qwindowscontext.cpp.

References initTouch(), QWindowsIntegration::instance(), and QWindowsIntegration::options().

Referenced by windowsProc().

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◆ initTouch() [2/2]

bool QWindowsContext::initTouch ( unsigned integrationOptions)

Definition at line 221 of file qwindowscontext.cpp.

References registerTouchWindows().

Referenced by initTouch().

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◆ instance()

QWindowsContext * QWindowsContext::instance ( )
static

Definition at line 453 of file qwindowscontext.cpp.

Referenced by applyNewCursor(), QWindowsApplication::asyncExpose(), QWindowsWindow::checkForScreenChanged(), QWindowsCursor::clearOverrideCursor(), WindowCreationData::create(), QWindowsOleDropSource::createCursors(), QWindowsApplication::createMessageWindow(), createTrayIconMessageWindow(), QWindowsOleDataObject::EnumFormatEtc(), QWindowsInternalMimeData::formats_sys(), QWindowsGeometryHint::frame(), QWindowsGeometryHint::frame(), QWindowsOleDataObject::GetData(), QWindowsInternalMimeData::hasFormat_sys(), QWindowsWindow::initialize(), QWindowsScreenManager::isSingleScreen(), QWindowsApplication::isWinTabEnabled(), QWindowsOleDataObject::QueryGetData(), QWindowsApplication::registerMime(), QWindowsWindow::registerTouchWindow(), QWindowsInternalMimeData::retrieveData_sys(), QWindowsApplication::setAsyncExpose(), QWindowsWindow::setKeyboardGrabEnabled(), QWindowsApplication::setTouchWindowTouchType(), QWindowsApplication::setWinTabEnabled(), startDoDragDrop(), QWindowsTheme::themeHint(), QWindowsWindow::topLevelOf(), QWindowsPointerHandler::translateMouseEvent(), QWindowsTabletSupport::translateTabletPacketEvent(), QWindowsApplication::unregisterMime(), QWindowsScreen::virtualSiblings(), QWindowsScreen::windowAt(), windowPlacementOffset(), and QWindowsSystemTrayIcon::winEvent().

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◆ isSessionLocked()

bool QWindowsContext::isSessionLocked ( )
static

Definition at line 792 of file qwindowscontext.cpp.

◆ keyGrabber()

QWindow * QWindowsContext::keyGrabber ( ) const

Definition at line 500 of file qwindowscontext.cpp.

◆ keyMapper()

QPlatformKeyMapper * QWindowsContext::keyMapper ( ) const

Definition at line 468 of file qwindowscontext.cpp.

Referenced by QWindowsPointerHandler::translateMouseEvent(), and QWindowsTabletSupport::translateTabletPacketEvent().

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◆ mimeConverter()

QWindowsMimeRegistry & QWindowsContext::mimeConverter ( ) const

Definition at line 823 of file qwindowscontext.cpp.

Referenced by QWindowsOleDataObject::EnumFormatEtc(), QWindowsInternalMimeData::formats_sys(), QWindowsOleDataObject::GetData(), QWindowsInternalMimeData::hasFormat_sys(), QWindowsOleDataObject::QueryGetData(), QWindowsApplication::registerMime(), QWindowsInternalMimeData::retrieveData_sys(), and QWindowsApplication::unregisterMime().

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◆ nonClientMetrics()

bool QWindowsContext::nonClientMetrics ( NONCLIENTMETRICS * ncm,
unsigned dpi = 0 )
static

Definition at line 889 of file qwindowscontext.cpp.

◆ nonClientMetricsForScreen()

bool QWindowsContext::nonClientMetricsForScreen ( NONCLIENTMETRICS * ncm,
const QPlatformScreen * screen = nullptr )
static

Definition at line 896 of file qwindowscontext.cpp.

◆ nonClientMetricsForWindow()

bool QWindowsContext::nonClientMetricsForWindow ( NONCLIENTMETRICS * ncm,
const QPlatformWindow * win = nullptr )
static

Definition at line 903 of file qwindowscontext.cpp.

◆ processDpiAwareness()

QtWindows::DpiAwareness QWindowsContext::processDpiAwareness ( )
static

Definition at line 363 of file qwindowscontext.cpp.

Referenced by setProcessDpiAwareness().

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◆ readAdvancedExplorerSettings()

DWORD QWindowsContext::readAdvancedExplorerSettings ( const wchar_t * subKey,
DWORD defaultValue )
static

Definition at line 1455 of file qwindowscontext.cpp.

◆ registerTouchWindows()

void QWindowsContext::registerTouchWindows ( )

Definition at line 244 of file qwindowscontext.cpp.

Referenced by initTouch(), and QWindowsApplication::setTouchWindowTouchType().

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◆ registerWindowClass() [1/2]

QString QWindowsContext::registerWindowClass ( const QWindow * w)

Definition at line 531 of file qwindowscontext.cpp.

◆ registerWindowClass() [2/2]

QString QWindowsContext::registerWindowClass ( QString cname,
WNDPROC proc,
unsigned style = 0,
HBRUSH brush = nullptr,
bool icon = false )

Definition at line 587 of file qwindowscontext.cpp.

◆ removeWindow()

void QWindowsContext::removeWindow ( HWND hwnd)

Definition at line 670 of file qwindowscontext.cpp.

◆ screenDepth()

int QWindowsContext::screenDepth ( ) const

Definition at line 660 of file qwindowscontext.cpp.

◆ screenManager()

QWindowsScreenManager & QWindowsContext::screenManager ( )

Definition at line 828 of file qwindowscontext.cpp.

Referenced by QWindowsWindow::checkForScreenChanged(), QWindowsOleDropSource::createCursors(), QWindowsGeometryHint::frame(), QWindowsGeometryHint::frame(), QWindowsScreenManager::isSingleScreen(), QWindowsScreen::virtualSiblings(), windowPlacementOffset(), and QWindowsSystemTrayIcon::winEvent().

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◆ setAsyncExpose()

void QWindowsContext::setAsyncExpose ( bool value)

Definition at line 1450 of file qwindowscontext.cpp.

Referenced by QWindowsApplication::setAsyncExpose().

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◆ setDetectAltGrModifier()

void QWindowsContext::setDetectAltGrModifier ( bool a)

Definition at line 331 of file qwindowscontext.cpp.

◆ setKeyGrabber()

void QWindowsContext::setKeyGrabber ( QWindow * hwnd)

Definition at line 505 of file qwindowscontext.cpp.

◆ setProcessDpiAwareness()

bool QWindowsContext::setProcessDpiAwareness ( QtWindows::DpiAwareness dpiAwareness)
static

Definition at line 426 of file qwindowscontext.cpp.

References QWindowsContextPrivate::m_v2DpiAware, QtWindows::PerMonitorVersion2, and processDpiAwareness().

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◆ setTabletAbsoluteRange()

void QWindowsContext::setTabletAbsoluteRange ( int a)
static

Definition at line 322 of file qwindowscontext.cpp.

Referenced by QWindowsIntegrationPrivate::parseOptions().

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◆ setWindowCreationContext()

QSharedPointer< QWindowCreationContext > QWindowsContext::setWindowCreationContext ( const QSharedPointer< QWindowCreationContext > & ctx)

Definition at line 478 of file qwindowscontext.cpp.

◆ shouldHaveNonClientDpiScaling()

bool QWindowsContext::shouldHaveNonClientDpiScaling ( const QWindow * window)
static

Definition at line 913 of file qwindowscontext.cpp.

References QWindowsWindow::embeddedNativeParentHandleProperty, and QWindowsContextPrivate::m_v2DpiAware.

◆ systemInfo()

unsigned QWindowsContext::systemInfo ( ) const

Definition at line 458 of file qwindowscontext.cpp.

Referenced by QWindowsWindow::registerTouchWindow().

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◆ systemParametersInfo()

bool QWindowsContext::systemParametersInfo ( unsigned action,
unsigned param,
void * out,
unsigned dpi = 0 )
static

Definition at line 868 of file qwindowscontext.cpp.

Referenced by systemParametersInfoForScreen().

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◆ systemParametersInfoForScreen()

bool QWindowsContext::systemParametersInfoForScreen ( unsigned action,
unsigned param,
void * out,
const QPlatformScreen * screen = nullptr )
static

Definition at line 877 of file qwindowscontext.cpp.

References systemParametersInfo().

Referenced by systemParametersInfoForWindow().

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◆ systemParametersInfoForWindow()

bool QWindowsContext::systemParametersInfoForWindow ( unsigned action,
unsigned param,
void * out,
const QPlatformWindow * win = nullptr )
static

Definition at line 883 of file qwindowscontext.cpp.

References systemParametersInfoForScreen().

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◆ tabletSupport()

QWindowsTabletSupport * QWindowsContext::tabletSupport ( ) const

Definition at line 833 of file qwindowscontext.cpp.

Referenced by QWindowsApplication::isWinTabEnabled().

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◆ useRTLExtensions()

bool QWindowsContext::useRTLExtensions ( ) const

Definition at line 463 of file qwindowscontext.cpp.

◆ windowCreationContext()

QSharedPointer< QWindowCreationContext > QWindowsContext::windowCreationContext ( ) const

Definition at line 485 of file qwindowscontext.cpp.

◆ windowDpiAwareness()

QtWindows::DpiAwareness QWindowsContext::windowDpiAwareness ( HWND hwnd)
static

Definition at line 355 of file qwindowscontext.cpp.

References QtWindows::Invalid.

◆ windows()

QWindowsContext::HandleBaseWindowHash & QWindowsContext::windows ( )

Definition at line 473 of file qwindowscontext.cpp.

◆ windowsProc()

bool QWindowsContext::windowsProc ( HWND hwnd,
UINT message,
QtWindows::WindowsEventType et,
WPARAM wParam,
LPARAM lParam,
LRESULT * result,
QWindowsWindow ** platformWindowPtr )
inline

Main windows procedure registered for windows.

See also
QWindowsGuiEventDispatcher

Definition at line 976 of file qwindowscontext.cpp.

References QtWindows::AccessibleObjectFromWindowRequest, QtWindows::ActivateWindowEvent, QWindowsWindow::alertWindow(), QWindowsWindow::BlockedByModal, QtWindows::CalculateSize, QWindowsWindow::clearFlag(), QtWindows::ClipboardEvent, QtWindows::CompositionSettingsChanged, QtWindows::CursorEvent, QtWindows::DestroyEvent, QtWindows::DeviceChangeEvent, QtWindows::DpiChangedAfterParentEvent, QtWindows::DpiChangedEvent, QtWindows::DpiScaledSizeEvent, QWindowsCursor::enforceOverrideCursor(), QtWindows::EnterSizeMoveEvent, QtWindows::ExitSizeMoveEvent, QtWindows::ExposeEvent, findPlatformWindow(), QtWindows::FocusInEvent, QtWindows::FocusOutEvent, QWindowsWindow::frameStrutEventsEnabled(), QtWindows::GeometryChangingEvent, QtWindows::GestureEvent, QWindowsWindow::handleCompositionSettingsChanged(), QWindowsWindow::handleHidden(), QWindowsWindow::handleMoved(), QWindowsCursor::hasOverrideCursor(), QtWindows::HideEvent, initTouch(), QtWindows::InputLanguageChangeEvent, QtWindows::InputMethodCloseCandidateWindowEvent, QtWindows::InputMethodCompositionEvent, QtWindows::InputMethodEndCompositionEvent, QtWindows::InputMethodEventFlag, QtWindows::InputMethodOpenCandidateWindowEvent, QtWindows::InputMethodRequest, QtWindows::InputMethodStartCompositionEvent, QWindowsIntegration::instance(), QtWindows::LeaveEvent, QtWindows::MenuAboutToShowEvent, QWindowsWindow::menuBar(), QtWindows::MenuCommandEvent, QtWindows::MouseActivateWindowEvent, QtWindows::MouseEvent, QtWindows::MouseEventFlag, QtWindows::MouseWheelEvent, QtWindows::MoveEvent, QtWindows::NonClientActivate, QtWindows::NonClientCreate, QtWindows::NonClientEventFlag, QtWindows::NonClientHitTest, QtWindows::NonClientMouseEvent, QtWindows::NonClientPointerEvent, QtWindows::PointerActivateWindowEvent, QtWindows::QuerySizeHints, QtWindows::ResizeEvent, QWindowsWindow::ResizeMoveActive, QtWindows::ScrollEvent, sessionManagerInteractionBlocked(), QWindowsWindow::setFlag(), QtWindows::SettingChangedEvent, QWindowsWindow::settingsChanged(), QWindowsInputContext::setWindowsImeEnabled(), QtWindows::ShowEventOnParentRestoring, QtWindows::TaskbarButtonCreated, QWindowsWindow::testFlag(), QtWindows::ThemeChanged, QtWindows::TouchEvent, QtWindows::UnknownEvent, QWindowsIntegration::updateApplicationBadge(), QWindowsWindow::updateCustomTitlebar(), QWindowsWindow::updateRestoreGeometry(), QtWindows::WhatsThisEvent, windowsInputContext(), and QWindowsWindow::WithinDestroy.

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◆ windowUnderMouse()

QWindow * QWindowsContext::windowUnderMouse ( ) const

Definition at line 718 of file qwindowscontext.cpp.

Member Data Documentation

◆ verbose

int QWindowsContext::verbose = 0
static

Definition at line 61 of file qwindowscontext.h.

Referenced by QWindowsGLContext::QWindowsGLContext(), coverage_report.CoverageExecutor::call(), coverage_report.CoverageExecutor::call_silent(), coverage_report.CoverageExecutor::check_output(), coverage_report.CoverageExecutor::generate_coverage(), operator<<(), QWindowsBackingStore::resize(), QWindowsInternalMimeData::retrieveData_sys(), and QWindowsTabletSupport::translateTabletPacketEvent().

The documentation for this class was generated from the following files: