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
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 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 178 of file qwindowscontext.cpp.

References QWindowsContext().

Referenced by QWindowsContext().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ ~QWindowsContext()

QWindowsContext::~QWindowsContext ( )

Definition at line 184 of file qwindowscontext.cpp.

References QWindowsTheme::instance().

Here is the call graph for this function:

Member Function Documentation

◆ addWindow()

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

Definition at line 511 of file qwindowscontext.cpp.

◆ asyncExpose()

bool QWindowsContext::asyncExpose ( ) const

Definition at line 1291 of file qwindowscontext.cpp.

Referenced by QWindowsApplication::asyncExpose().

Here is the caller graph for this function:

◆ clearWindowUnderMouse()

void QWindowsContext::clearWindowUnderMouse ( )

Definition at line 569 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 693 of file qwindowscontext.cpp.

◆ defaultDPI()

int QWindowsContext::defaultDPI ( ) const

Definition at line 486 of file qwindowscontext.cpp.

Referenced by QWindowsTheme::themeHint().

Here is the caller graph for this function:

◆ displayContext()

HDC QWindowsContext::displayContext ( ) const

Definition at line 491 of file qwindowscontext.cpp.

◆ disposeTablet()

bool QWindowsContext::disposeTablet ( )

Definition at line 259 of file qwindowscontext.cpp.

Referenced by QWindowsApplication::setWinTabEnabled().

Here is the caller graph for this function:

◆ filterNativeEvent() [1/2]

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

static

Definition at line 1390 of file qwindowscontext.cpp.

◆ filterNativeEvent() [2/2]

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

static

Definition at line 1402 of file qwindowscontext.cpp.

◆ findClosestPlatformWindow()

QWindowsWindow * QWindowsContext::findClosestPlatformWindow ( HWND hwnd ) const

Definition at line 540 of file qwindowscontext.cpp.

◆ findPlatformWindow() [1/2]

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

Definition at line 526 of file qwindowscontext.cpp.

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

Here is the caller graph for this function:

◆ findPlatformWindow() [2/2]

QWindowsWindow * QWindowsContext::findPlatformWindow ( HWND hwnd ) const

Definition at line 535 of file qwindowscontext.cpp.

◆ findPlatformWindowAt()

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

Definition at line 622 of file qwindowscontext.cpp.

References findPlatformWindow().

Here is the call graph for this function:

◆ findWindow()

QWindow * QWindowsContext::findWindow ( HWND hwnd ) const

Definition at line 557 of file qwindowscontext.cpp.

References findPlatformWindow().

Here is the call graph for this function:

◆ forceNcCalcSize()

void QWindowsContext::forceNcCalcSize ( HWND hwnd )

static

Definition at line 707 of file qwindowscontext.cpp.

◆ initPowerNotificationHandler()

bool QWindowsContext::initPowerNotificationHandler ( )

Definition at line 300 of file qwindowscontext.cpp.

◆ initTablet()

bool QWindowsContext::initTablet ( )

Definition at line 249 of file qwindowscontext.cpp.

Referenced by QWindowsApplication::setWinTabEnabled().

Here is the caller graph for this function:

◆ initTouch() [1/2]

bool QWindowsContext::initTouch ( )

Definition at line 212 of file qwindowscontext.cpp.

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

Referenced by windowsProc().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ initTouch() [2/2]

bool QWindowsContext::initTouch ( unsigned integrationOptions )

Definition at line 217 of file qwindowscontext.cpp.

References registerTouchWindows().

Referenced by initTouch().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ instance()

QWindowsContext * QWindowsContext::instance ( )

static

Definition at line 449 of file qwindowscontext.cpp.

Here is the caller graph for this function:

◆ isSessionLocked()

bool QWindowsContext::isSessionLocked ( )

static

Definition at line 638 of file qwindowscontext.cpp.

◆ keyGrabber()

QWindow * QWindowsContext::keyGrabber ( ) const

Definition at line 496 of file qwindowscontext.cpp.

◆ keyMapper()

QPlatformKeyMapper * QWindowsContext::keyMapper ( ) const

Definition at line 464 of file qwindowscontext.cpp.

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

Here is the caller graph for this function:

◆ mimeConverter()

QWindowsMimeRegistry & QWindowsContext::mimeConverter ( ) const

Definition at line 669 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().

Here is the caller graph for this function:

◆ nonClientMetrics()

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

static

Definition at line 735 of file qwindowscontext.cpp.

References systemParametersInfo().

Here is the call graph for this function:

◆ nonClientMetricsForScreen()

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

static

Definition at line 742 of file qwindowscontext.cpp.

◆ nonClientMetricsForWindow()

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

static

Definition at line 749 of file qwindowscontext.cpp.

◆ processDpiAwareness()

QtWindows::DpiAwareness QWindowsContext::processDpiAwareness ( )

static

Definition at line 359 of file qwindowscontext.cpp.

Referenced by QWindowsScreen::grabWindow(), and setProcessDpiAwareness().

Here is the caller graph for this function:

◆ readAdvancedExplorerSettings()

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

static

Definition at line 1301 of file qwindowscontext.cpp.

◆ registerTouchWindows()

void QWindowsContext::registerTouchWindows ( )

Definition at line 240 of file qwindowscontext.cpp.

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

Here is the caller graph for this function:

◆ removeWindow()

void QWindowsContext::removeWindow ( HWND hwnd )

Definition at line 516 of file qwindowscontext.cpp.

◆ screenDepth()

int QWindowsContext::screenDepth ( ) const

Definition at line 506 of file qwindowscontext.cpp.

◆ screenManager()

QWindowsScreenManager & QWindowsContext::screenManager ( )

Definition at line 674 of file qwindowscontext.cpp.

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

Here is the caller graph for this function:

◆ setAsyncExpose()

void QWindowsContext::setAsyncExpose ( bool value )

Definition at line 1296 of file qwindowscontext.cpp.

Referenced by QWindowsApplication::setAsyncExpose().

Here is the caller graph for this function:

◆ setDetectAltGrModifier()

void QWindowsContext::setDetectAltGrModifier ( bool a )

Definition at line 327 of file qwindowscontext.cpp.

◆ setKeyGrabber()

void QWindowsContext::setKeyGrabber ( QWindow * hwnd )

Definition at line 501 of file qwindowscontext.cpp.

◆ setProcessDpiAwareness()

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

static

Definition at line 422 of file qwindowscontext.cpp.

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

Here is the call graph for this function:

◆ setTabletAbsoluteRange()

void QWindowsContext::setTabletAbsoluteRange ( int a )

static

Definition at line 318 of file qwindowscontext.cpp.

Referenced by QWindowsIntegrationPrivate::parseOptions().

Here is the caller graph for this function:

◆ setWindowCreationContext()

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

Definition at line 474 of file qwindowscontext.cpp.

◆ shouldHaveNonClientDpiScaling()

bool QWindowsContext::shouldHaveNonClientDpiScaling ( const QWindow * window )

static

Definition at line 759 of file qwindowscontext.cpp.

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

◆ systemInfo()

unsigned QWindowsContext::systemInfo ( ) const

Definition at line 454 of file qwindowscontext.cpp.

Referenced by QWindowsWindow::registerTouchWindow().

Here is the caller graph for this function:

◆ systemParametersInfo()

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

static

Definition at line 714 of file qwindowscontext.cpp.

Referenced by nonClientMetrics(), and systemParametersInfoForScreen().

Here is the caller graph for this function:

◆ systemParametersInfoForScreen()

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

static

Definition at line 723 of file qwindowscontext.cpp.

References systemParametersInfo().

Referenced by systemParametersInfoForWindow().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ systemParametersInfoForWindow()

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

static

Definition at line 729 of file qwindowscontext.cpp.

References systemParametersInfoForScreen().

Here is the call graph for this function:

◆ tabletSupport()

QWindowsTabletSupport * QWindowsContext::tabletSupport ( ) const

Definition at line 679 of file qwindowscontext.cpp.

Referenced by QWindowsApplication::isWinTabEnabled().

Here is the caller graph for this function:

◆ useRTLExtensions()

bool QWindowsContext::useRTLExtensions ( ) const

Definition at line 459 of file qwindowscontext.cpp.

◆ windowCreationContext()

QSharedPointer< QWindowCreationContext > QWindowsContext::windowCreationContext ( ) const

Definition at line 481 of file qwindowscontext.cpp.

◆ windowDpiAwareness()

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

static

Definition at line 351 of file qwindowscontext.cpp.

References QtWindows::Invalid.

◆ windows()

QWindowsContext::HandleBaseWindowHash & QWindowsContext::windows ( )

Definition at line 469 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 822 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(), verbose, QtWindows::WhatsThisEvent, windowsInputContext(), and QWindowsWindow::WithinDestroy.

Here is the call graph for this function:

◆ windowUnderMouse()

QWindow * QWindowsContext::windowUnderMouse ( ) const

Definition at line 564 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(), QWindowsOleEnumFmtEtc::QWindowsOleEnumFmtEtc(), QWindowsOleEnumFmtEtc::QWindowsOleEnumFmtEtc(), QWindowsMimeRegistry::allMimesForFormats(), QWindowsBackingStore::beginPaint(), coverage_report.CoverageExecutor::call(), coverage_report.CoverageExecutor::call_silent(), coverage_report.CoverageExecutor::check_output(), QWindowsOleDataObject::EnumFormatEtc(), coverage_report.CoverageExecutor::generate_coverage(), QWindowsGLContext::getProcAddress(), operator<<(), QWindowsOleDataObject::QueryGetData(), QWindowsBackingStore::resize(), QWindowsInternalMimeData::retrieveData_sys(), QWindowsClipboardRetrievalMimeData::retrieveDataObject(), QWindowsOleDataObject::SetData(), QWindowsGLContext::swapBuffers(), QWindowsScreen::topLevelAt(), QWindowsTabletSupport::translateTabletPacketEvent(), QWindowsScreen::windowAt(), and windowsProc().

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

qtbase/src/plugins/platforms/windows/qwindowscontext.h (04f13038f58382069d01864227cbec553ff47720)
qtbase/src/plugins/platforms/windows/qwindowscontext.cpp (a1e07d2a768aa4755e1a5776e79ec049db3d2cbb)

Public Types

Public Member Functions

Static Public Member Functions

Static Public Attributes

Detailed Description

Member Typedef Documentation

◆ HandleBaseWindowHash

Member Enumeration Documentation

◆ SystemInfoFlags

Constructor & Destructor Documentation

◆ QWindowsContext()

◆ ~QWindowsContext()

Member Function Documentation

◆ addWindow()

◆ asyncExpose()

◆ clearWindowUnderMouse()

◆ createDummyWindow()

◆ defaultDPI()

◆ displayContext()

◆ disposeTablet()

◆ filterNativeEvent() [1/2]

◆ filterNativeEvent() [2/2]

◆ findClosestPlatformWindow()

◆ findPlatformWindow() [1/2]

◆ findPlatformWindow() [2/2]

◆ findPlatformWindowAt()

◆ findWindow()

◆ forceNcCalcSize()

◆ initPowerNotificationHandler()

◆ initTablet()

◆ initTouch() [1/2]

◆ initTouch() [2/2]

◆ instance()

◆ isSessionLocked()

◆ keyGrabber()

◆ keyMapper()

◆ mimeConverter()

◆ nonClientMetrics()

◆ nonClientMetricsForScreen()

◆ nonClientMetricsForWindow()

◆ processDpiAwareness()

◆ readAdvancedExplorerSettings()

◆ registerTouchWindows()

◆ removeWindow()

◆ screenDepth()

◆ screenManager()

◆ setAsyncExpose()

◆ setDetectAltGrModifier()

◆ setKeyGrabber()

◆ setProcessDpiAwareness()

◆ setTabletAbsoluteRange()

◆ setWindowCreationContext()

◆ shouldHaveNonClientDpiScaling()

◆ systemInfo()

◆ systemParametersInfo()

◆ systemParametersInfoForScreen()

◆ systemParametersInfoForWindow()

◆ tabletSupport()

◆ useRTLExtensions()

◆ windowCreationContext()

◆ windowDpiAwareness()

◆ windows()

◆ windowsProc()

◆ windowUnderMouse()

Member Data Documentation

◆ verbose