The QQnxWindow is the base class of the various classes used as instances of QPlatformWindow in the QNX QPA plugin. More...

#include <qqnxwindow.h>

Inheritance diagram for QQnxWindow:

Collaboration diagram for QQnxWindow:

Public Member Functions
	QQnxWindow (QWindow *window, screen_context_t context, bool needRootWindow)

	QQnxWindow (QWindow *window, screen_context_t context, screen_window_t screenWindow)

virtual	~QQnxWindow ()

void	setGeometry (const QRect &rect) override
	This function is called by Qt whenever a window is moved or resized using the QWindow API.

void	setVisible (bool visible) override
	Reimplemented in subclasses to show the surface if visible is `true`, and hide it if visible is `false`.

void	setOpacity (qreal level) override
	Reimplement to be able to let Qt set the opacity level of a window.

bool	isExposed () const override
	Returns if this window is exposed in the windowing system.

WId	winId () const override
	Reimplement in subclasses to return a handle to the native window.

screen_window_t	nativeHandle () const

void	setBufferSize (const QSize &size)

QSize	bufferSize () const

void	setScreen (QQnxScreen *platformScreen)

void	setParent (const QPlatformWindow *window) override
	This function is called to enable native child window in QPA.

void	raise () override
	Reimplement to be able to let Qt raise windows to the top of the desktop.

void	lower () override
	Reimplement to be able to let Qt lower windows to the bottom of the desktop.

void	requestActivateWindow () override
	Reimplement to let Qt be able to request activation/focus for a window.

void	setWindowState (Qt::WindowStates state) override
	Requests setting the window state of this surface to type.

void	setExposed (bool exposed)

void	propagateSizeHints () override
	Reimplement to propagate the size hints of the QWindow.

QPlatformScreen *	screen () const override
	Returns the platform screen handle corresponding to this platform window, or null if the window is not associated with a screen.

const QList< QQnxWindow * > &	children () const

QQnxWindow *	findWindow (screen_window_t windowHandle)

void	minimize ()

void	setRotation (int rotation)

QByteArray	groupName () const

void	joinWindowGroup (const QByteArray &groupName)

bool	shouldMakeFullScreen () const

void	windowPosted ()

void	handleActivationEvent ()

Public Member Functions inherited from QPlatformWindow
	QPlatformWindow (QWindow *window)
	Constructs a platform window with the given top level window.

	~QPlatformWindow () override
	Virtual destructor does not delete its top level window.

virtual void	initialize ()
	Called as part of QWindow::create(), after constructing the window.

QWindow *	window () const
	Returns the window which belongs to the QPlatformWindow.

QPlatformWindow *	parent () const
	Returns the parent platform window (or \nullptr if orphan).

virtual QSurfaceFormat	format () const override
	Returns the actual surface format of the window.

virtual QRect	geometry () const
	Returns the current geometry of a window.

virtual QRect	normalGeometry () const
	Returns the geometry of a window in 'normal' state (neither maximized, fullscreen nor minimized) for saving geometries to application settings.

virtual QMargins	frameMargins () const

virtual QMargins	safeAreaMargins () const
	The safe area margins of a window represent the area that is safe to place content within, without intersecting areas of the screen where system UI is placed, or where a screen bezel may cover the content.

virtual void	setWindowFlags (Qt::WindowFlags flags)
	Requests setting the window flags of this surface to flags.

virtual void	setWindowTitle (const QString &title)
	Reimplement to set the window title to title.

virtual void	setWindowFilePath (const QString &title)
	Reimplement to set the window file path to filePath.

virtual void	setWindowIcon (const QIcon &icon)
	Reimplement to set the window icon to icon.

virtual bool	close ()
	Reimplement to let the platform handle non-spontaneous window close.

virtual bool	isActive () const
	Returns `true` if the window should appear active from a style perspective.

virtual bool	isAncestorOf (const QPlatformWindow *child) const
	Returns `true` if the window is an ancestor of the given child.

virtual bool	isEmbedded () const
	Returns `true` if the window is a child of a non-Qt window.

virtual bool	isForeignWindow () const

virtual QPoint	mapToGlobal (const QPoint &pos) const
	Translates the window coordinate pos to global screen coordinates using native methods.

QPointF	mapToGlobalF (const QPointF &pos) const

virtual QPoint	mapFromGlobal (const QPoint &pos) const
	Translates the global screen coordinate pos to window coordinates using native methods.

QPointF	mapFromGlobalF (const QPointF &pos) const

virtual void	setMask (const QRegion &region)
	Reimplement to be able to let Qt set the mask of a window.

virtual void	handleContentOrientationChange (Qt::ScreenOrientation orientation)
	Handle changes to the orientation of the platform window's contents.

virtual qreal	devicePixelRatio () const
	Reimplement this function in subclass to return the device pixel ratio for the window.

virtual bool	setKeyboardGrabEnabled (bool grab)

virtual bool	setMouseGrabEnabled (bool grab)

virtual bool	setWindowModified (bool modified)
	Reimplement to be able to let Qt indicate that the window has been modified.

virtual bool	windowEvent (QEvent *event)
	Reimplement this method to be able to do any platform specific event handling.

virtual bool	startSystemResize (Qt::Edges edges)
	Reimplement this method to start a system resize operation if the system supports it and return true to indicate success.

virtual bool	startSystemMove ()
	Reimplement this method to start a system move operation if the system supports it and return true to indicate success.

virtual void	setFrameStrutEventsEnabled (bool enabled)
	Reimplement this method to set whether frame strut events should be sent to enabled.

virtual bool	frameStrutEventsEnabled () const
	Reimplement this method to return whether frame strut events are enabled.

virtual void	setAlertState (bool enabled)
	Reimplement this method to set whether the window demands attention (for example, by flashing the taskbar icon) depending on enabled.

virtual bool	isAlertState () const
	Reimplement this method return whether the window is in an alert state.

virtual void	invalidateSurface ()
	Invalidates the window's surface by releasing its surface buffers.

virtual void	requestUpdate ()
	Requests an QEvent::UpdateRequest event.

bool	hasPendingUpdateRequest () const
	Returns true if the window has a pending update request.

virtual void	deliverUpdateRequest ()
	Delivers an QEvent::UpdateRequest event to the window.

QSize	windowMinimumSize () const
	Returns the QWindow minimum size.

QSize	windowMaximumSize () const
	Returns the QWindow maximum size.

QSize	windowBaseSize () const
	Returns the QWindow base size.

QSize	windowSizeIncrement () const
	Returns the QWindow size increment.

QRect	windowGeometry () const
	Returns the QWindow geometry.

QRect	windowFrameGeometry () const
	Returns the QWindow frame geometry.

QRectF	windowClosestAcceptableGeometry (const QRectF &nativeRect) const

Public Member Functions inherited from QPlatformSurface
virtual	~QPlatformSurface ()

QSurface *	surface () const

Protected Member Functions
virtual int	pixelFormat () const =0

virtual void	resetBuffers ()=0

void	initWindow ()

Protected Member Functions inherited from QPlatformWindow
QPlatformScreen *	screenForGeometry (const QRect &newGeometry) const
	Helper function for finding the new screen for newGeometry in response to a geometry changed event.

Protected Attributes
screen_context_t	m_screenContext

Protected Attributes inherited from QPlatformWindow
QScopedPointer< QPlatformWindowPrivate >	d_ptr

Friends
class	QQnxScreen

Additional Inherited Members
Static Public Member Functions inherited from QPlatformWindow
static QRect	initialGeometry (const QWindow w, const QRect &initialGeometry, int defaultWidth, int defaultHeight, const QScreen *resultingScreenReturn=nullptr)
	Helper function to get initial geometry on windowing systems which do not do smart positioning and also do not provide a means of centering a transient window w.r.t.

static QRectF	closestAcceptableGeometry (const QWindow *w, const QRectF &nativeRect)
	Returns the closest acceptable geometry for a given geometry before a resize/move event for platforms that support it, for example to implement heightForWidth().

Static Public Member Functions inherited from QPlatformSurface
static bool	isRasterSurface (QSurface *surface)

Static Protected Member Functions inherited from QPlatformWindow
static QString	formatWindowTitle (const QString &title, const QString &separator)
	Call this method to put together a window title composed of title separator the application display name.

static QSize	constrainWindowSize (const QSize &size)
	Returns a size with both dimensions bounded to [0, QWINDOWSIZE_MAX].

Detailed Description

The QQnxWindow is the base class of the various classes used as instances of QPlatformWindow in the QNX QPA plugin.

The standard properties and methods available in Qt are not a perfect match for the features provided by the QNX screen service. While for the majority of applications the default behavior suffices, some circumstances require greater control over the interaction with screen.

Definition at line 30 of file qqnxwindow.h.

Constructor & Destructor Documentation

◆ QQnxWindow() [1/2]

QQnxWindow::QQnxWindow	(	QWindow *	window,
		screen_context_t	context,
		bool	needRootWindow )

explicit

Definition at line 112 of file qqnxwindow.cpp.

References Qt::CoverWindow, debug, Qt::Desktop, QScreen::handle(), joinWindowGroup(), m_screenContext, nativeHandle(), ok, QPlatformWindow::parent(), QObject::property(), Q_SCREEN_CHECKERROR, Q_SCREEN_CRITICALERROR, Q_UNLIKELY, qCDebug, QQnxScreen::rootWindow(), QQnxScreen::setRootWindow(), QWindow::size(), QVariant::toInt(), and QPlatformWindow::window().

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◆ QQnxWindow() [2/2]

QQnxWindow::QQnxWindow	(	QWindow *	window,
		screen_context_t	context,
		screen_window_t	screenWindow )

explicit

Definition at line 234 of file qqnxwindow.cpp.

References QByteArray::constData(), QByteArray::data(), joinWindowGroup(), QObject::property(), qCDebug, QByteArray::resize(), QByteArray::size(), QWindow::size(), and QPlatformWindow::window().

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◆ ~QQnxWindow()

QQnxWindow::~QQnxWindow ( )

virtual

Definition at line 266 of file qqnxwindow.cpp.

References QQnxIntegration::instance(), Q_ASSERT, qCDebug, QList< T >::size(), QQnxScreen::updateHierarchy(), and QPlatformWindow::window().

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Member Function Documentation

◆ bufferSize()

QSize QQnxWindow::bufferSize ( ) const

inline

Definition at line 48 of file qqnxwindow.h.

Referenced by QQnxRasterWindow::adjustBufferSize(), QQnxEglWindow::ensureInitialized(), QQnxRasterWindow::hasBuffers(), and QQnxEglWindow::setGeometry().

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◆ children()

const QList< QQnxWindow * > & QQnxWindow::children ( ) const

inline

Definition at line 62 of file qqnxwindow.h.

◆ findWindow()

QQnxWindow * QQnxWindow::findWindow ( screen_window_t windowHandle )

Definition at line 720 of file qqnxwindow.cpp.

References Q_FOREACH, and QPlatformWindow::window().

Referenced by requestActivateWindow().

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◆ groupName()

QByteArray QQnxWindow::groupName ( ) const

inline

Definition at line 70 of file qqnxwindow.h.

Referenced by joinWindowGroup(), setParent(), setVisible(), and QQnxScreen::windowGroupName().

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◆ handleActivationEvent()

void QQnxWindow::handleActivationEvent ( )

Definition at line 905 of file qqnxwindow.cpp.

References requestActivateWindow().

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◆ initWindow()

void QQnxWindow::initWindow ( )

protected

Definition at line 747 of file qqnxwindow.cpp.

References Qt::CoverWindow, Qt::Desktop, QPlatformWindow::geometry(), QScreen::handle(), QQnxIntegration::instance(), QPlatformWindow::parent(), Q_SCREEN_CHECKERROR, screen(), setOpacity(), setParent(), setScreen(), setWindowState(), shouldMakeFullScreen(), and QPlatformWindow::window().

Referenced by QQnxEglWindow::QQnxEglWindow(), QQnxForeignWindow::QQnxForeignWindow(), and QQnxRasterWindow::QQnxRasterWindow().

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◆ isExposed()

bool QQnxWindow::isExposed ( ) const

overridevirtual

Returns if this window is exposed in the windowing system.

An exposeEvent() is sent every time this value changes.

Reimplemented from QPlatformWindow.

Definition at line 404 of file qqnxwindow.cpp.

Referenced by setGeometry().

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◆ joinWindowGroup()

void QQnxWindow::joinWindowGroup ( const QByteArray & groupName )

Definition at line 813 of file qqnxwindow.cpp.

References groupName(), QByteArray::isEmpty(), m_screenContext, Q_FUNC_INFO, and qCDebug.

Referenced by QQnxWindow(), QQnxWindow(), setParent(), setVisible(), and QQnxNativeInterface::setWindowProperty().

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◆ lower()

void QQnxWindow::lower ( )

overridevirtual

Reimplement to be able to let Qt lower windows to the bottom of the desktop.

Reimplemented from QPlatformWindow.

Definition at line 581 of file qqnxwindow.cpp.

References QQnxScreen::lowerWindow(), QList< T >::push_front(), Q_FUNC_INFO, qCDebug, QList< T >::removeAll(), QQnxScreen::updateHierarchy(), and QPlatformWindow::window().

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◆ minimize()

void QQnxWindow::minimize ( )

Definition at line 734 of file qqnxwindow.cpp.

References qWarning.

◆ nativeHandle()

screen_window_t QQnxWindow::nativeHandle ( ) const

inline

Definition at line 45 of file qqnxwindow.h.

Referenced by QQnxRasterWindow::QQnxRasterWindow(), QQnxWindow(), QQnxForeignWindow::pixelFormat(), QQnxRasterWindow::post(), QQnxRasterWindow::renderBuffer(), and requestActivateWindow().

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◆ pixelFormat()

virtual int QQnxWindow::pixelFormat ( ) const

protectedpure virtual

Implemented in QQnxEglWindow, QQnxForeignWindow, and QQnxRasterWindow.

Referenced by setBufferSize().

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◆ propagateSizeHints()

void QQnxWindow::propagateSizeHints ( )

overridevirtual

Reimplement to propagate the size hints of the QWindow.

The size hints include QWindow::minimumSize(), QWindow::maximumSize(), QWindow::sizeIncrement(), and QWindow::baseSize().

Reimplemented from QPlatformWindow.

Definition at line 709 of file qqnxwindow.cpp.

◆ raise()

void QQnxWindow::raise ( )

overridevirtual

Reimplement to be able to let Qt raise windows to the top of the desktop.

Reimplemented from QPlatformWindow.

Definition at line 567 of file qqnxwindow.cpp.

References QList< T >::push_back(), Q_FUNC_INFO, qCDebug, QQnxScreen::raiseWindow(), QList< T >::removeAll(), QQnxScreen::updateHierarchy(), and QPlatformWindow::window().

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◆ requestActivateWindow()

void QQnxWindow::requestActivateWindow ( )

overridevirtual

Reimplement to let Qt be able to request activation/focus for a window.

Some window systems will probably not have callbacks for this functionality, and then calling QWindowSystemInterface::handleFocusWindowChanged(QWindow *w) would be sufficient.

If the window system has some event handling/callbacks then call QWindowSystemInterface::handleFocusWindowChanged(QWindow *w) when the window system gives the notification.

Default implementation calls QWindowSystem::handleFocusWindowChanged(QWindow *w)

Reimplemented from QPlatformWindow.

Definition at line 595 of file qqnxwindow.cpp.

References findWindow(), QGuiApplication::focusWindow(), i, m_screenContext, nativeHandle(), QPlatformWindow::parent(), QQnxScreen::rootWindow(), and screen().

Referenced by handleActivationEvent().

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◆ resetBuffers()

virtual void QQnxWindow::resetBuffers ( )

protectedpure virtual

Implemented in QQnxEglWindow, QQnxForeignWindow, and QQnxRasterWindow.

Referenced by setBufferSize().

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◆ screen()

QPlatformScreen * QQnxWindow::screen ( ) const

overridevirtual

Returns the platform screen handle corresponding to this platform window, or null if the window is not associated with a screen.

Reimplemented from QPlatformWindow.

Definition at line 715 of file qqnxwindow.cpp.

Referenced by QQnxEglWindow::QQnxEglWindow(), QQnxRasterBackingStore::beginPaint(), initWindow(), QQnxRasterWindow::pixelFormat(), QQnxRasterWindow::renderBuffer(), requestActivateWindow(), QQnxEglWindow::setGeometry(), setGeometry(), setParent(), and shouldMakeFullScreen().

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◆ setBufferSize()

void QQnxWindow::setBufferSize ( const QSize & size )

Definition at line 409 of file qqnxwindow.cpp.

References QSize::isEmpty(), QSize::isValid(), MAX_BUFFER_COUNT, pixelFormat(), Q_SCREEN_CHECKERROR, Q_SCREEN_CRITICALERROR, Q_UNLIKELY, qCDebug, qFatal, resetBuffers(), and QPlatformWindow::window().

Referenced by QQnxRasterWindow::adjustBufferSize().

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◆ setExposed()

void QQnxWindow::setExposed ( bool exposed )

Definition at line 394 of file qqnxwindow.cpp.

References QPlatformWindow::geometry(), QWindowSystemInterface::handleExposeEvent(), qCDebug, and QPlatformWindow::window().

Referenced by QQnxScreen::activateWindowGroup(), and QQnxScreen::deactivateWindowGroup().

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◆ setGeometry()

void QQnxWindow::setGeometry ( const QRect & rect )

overridevirtual

This function is called by Qt whenever a window is moved or resized using the QWindow API.

Unless you also override QPlatformWindow::geometry(), you need to call the baseclass implementation of this function in any override of QPlatformWindow::setGeometry(), as QWindow::geometry() is expected to report back the set geometry until a confirmation (or rejection) of the new geometry comes back from the window manager and is reported via QWindowSystemInterface::handleGeometryChange().

Window move/resizes can also be triggered spontaneously by the window manager, or as a response to an earlier requested move/resize via the Qt APIs. There is no need to call this function from the window manager callback, instead call QWindowSystemInterface::handleGeometryChange().

The position(x, y) part of the rect might be inclusive or exclusive of the window frame as returned by frameMargins(). You can detect this in the plugin by checking qt_window_private(window())->positionPolicy.

Reimplemented from QPlatformWindow.

Definition at line 289 of file qqnxwindow.cpp.

References Qt::Desktop, QPlatformScreen::geometry(), QWindowSystemInterface::handleExposeEvent(), isExposed(), rect, screen(), shouldMakeFullScreen(), QRect::size(), and QPlatformWindow::window().

Referenced by QQnxEglWindow::setGeometry(), and QQnxScreen::setRotation().

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◆ setOpacity()

void QQnxWindow::setOpacity ( qreal level )

overridevirtual

Reimplement to be able to let Qt set the opacity level of a window.

Reimplemented from QPlatformWindow.

Definition at line 383 of file qqnxwindow.cpp.

References m_screenContext, Q_SCREEN_CHECKERROR, qCDebug, and QPlatformWindow::window().

Referenced by initWindow().

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◆ setParent()

void QQnxWindow::setParent ( const QPlatformWindow * parent )

overridevirtual

This function is called to enable native child window in QPA.

It is common not to support this feature in Window systems, but can be faked. When this function is called all geometry of this platform window will be relative to the parent.

Reimplemented from QPlatformWindow.

Definition at line 535 of file qqnxwindow.cpp.

References QQnxScreen::addWindow(), groupName(), joinWindowGroup(), QList< T >::push_back(), QByteArray(), qCDebug, qWarning, screen(), setScreen(), QQnxScreen::updateHierarchy(), and QPlatformWindow::window().

Referenced by initWindow(), and QQnxRasterWindow::setParent().

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◆ setRotation()

void QQnxWindow::setRotation ( int rotation )

Definition at line 739 of file qqnxwindow.cpp.

References Q_FUNC_INFO, Q_SCREEN_CHECKERROR, and qCDebug.

Referenced by QQnxScreen::setRotation().

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◆ setScreen()

void QQnxWindow::setScreen ( QQnxScreen * platformScreen )

Definition at line 476 of file qqnxwindow.cpp.

References QQnxScreen::addWindow(), QQnxIntegration::instance(), QQnxScreen::nativeDisplay(), Q_FOREACH, Q_SCREEN_CHECKERROR, qCDebug, QQnxScreen::removeWindow(), QQnxIntegration::RootWindow, Qt::SubWindow, Qt::ToolTip, QQnxScreen::updateHierarchy(), and QPlatformWindow::window().

Referenced by QQnxScreen::~QQnxScreen(), initWindow(), QQnxIntegration::moveToScreen(), and setParent().

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◆ setVisible()

void QQnxWindow::setVisible ( bool visible )

overridevirtual

Reimplemented in subclasses to show the surface if visible is true, and hide it if visible is false.

The default implementation sends a synchronous expose event.

Reimplemented from QPlatformWindow.

Definition at line 332 of file qqnxwindow.cpp.

References Qt::Desktop, QPlatformWindow::geometry(), groupName(), QWindowSystemInterface::handleExposeEvent(), QByteArray::isNull(), joinWindowGroup(), m_screenContext, QPlatformWindow::parent(), Q_SCREEN_CHECKERROR, QByteArray(), qCDebug, QPlatformWindow::window(), and QQnxScreen::windowGroupName().

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◆ setWindowState()

void QQnxWindow::setWindowState ( Qt::WindowStates state )

overridevirtual

Requests setting the window state of this surface to type.

Qt::WindowActive can be ignored.

Reimplemented from QPlatformWindow.

Definition at line 695 of file qqnxwindow.cpp.

References Q_FUNC_INFO, qCDebug, and state.

Referenced by initWindow().

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◆ shouldMakeFullScreen()

bool QQnxWindow::shouldMakeFullScreen ( ) const

Definition at line 898 of file qqnxwindow.cpp.

References QQnxIntegration::FullScreenApplication, QQnxIntegration::instance(), and screen().

Referenced by QQnxEglWindow::QQnxEglWindow(), initWindow(), QQnxEglWindow::setGeometry(), and setGeometry().

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◆ windowPosted()

void QQnxWindow::windowPosted ( )

Definition at line 888 of file qqnxwindow.cpp.

References qqnxLgmonFramePosted(), and QQnxAbstractCover::updateCover().

Referenced by QQnxRasterWindow::post(), and QQnxGLContext::swapBuffers().

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◆ winId()

WId QQnxWindow::winId ( ) const

inlineoverridevirtual

Reimplement in subclasses to return a handle to the native window.

Reimplemented from QPlatformWindow.

Definition at line 44 of file qqnxwindow.h.

References Qt::Desktop, and QPlatformWindow::window().

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Friends And Related Symbol Documentation

◆ QQnxScreen

friend class QQnxScreen

friend

Definition at line 32 of file qqnxwindow.h.

Member Data Documentation

◆ m_screenContext

screen_context_t QQnxWindow::m_screenContext

protected

Definition at line 84 of file qqnxwindow.h.

Referenced by QQnxWindow(), QQnxRasterWindow::blitPreviousToCurrent(), joinWindowGroup(), requestActivateWindow(), setOpacity(), and setVisible().

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

qtbase/src/plugins/platforms/qnx/qqnxwindow.h (4946982534d4d256590dffd44046fe642456703f)
qtbase/src/plugins/platforms/qnx/qqnxwindow.cpp (4946982534d4d256590dffd44046fe642456703f)

Public Member Functions

Protected Member Functions

Protected Attributes

Friends

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ QQnxWindow() [1/2]

◆ QQnxWindow() [2/2]

◆ ~QQnxWindow()

Member Function Documentation

◆ bufferSize()

◆ children()

◆ findWindow()

◆ groupName()

◆ handleActivationEvent()

◆ initWindow()

◆ isExposed()

◆ joinWindowGroup()

◆ lower()

◆ minimize()

◆ nativeHandle()

◆ pixelFormat()

◆ propagateSizeHints()

◆ raise()

◆ requestActivateWindow()

◆ resetBuffers()

◆ screen()

◆ setBufferSize()

◆ setExposed()

◆ setGeometry()

◆ setOpacity()

◆ setParent()

◆ setRotation()

◆ setScreen()

◆ setVisible()

◆ setWindowState()

◆ shouldMakeFullScreen()

◆ windowPosted()

◆ winId()

Friends And Related Symbol Documentation

◆ QQnxScreen

Member Data Documentation

◆ m_screenContext