Qt 6.x
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QAndroidPlatformWindow Class Reference

#include <qandroidplatformwindow.h>

+ Inheritance diagram for QAndroidPlatformWindow:
+ Collaboration diagram for QAndroidPlatformWindow:

Public Member Functions

 QAndroidPlatformWindow (QWindow *window)
 
void lower () override
 Reimplement to be able to let Qt lower windows to the bottom of the desktop.
 
void raise () override
 Reimplement to be able to let Qt raise windows to the top of the desktop.
 
void setVisible (bool visible) override
 Reimplemented in subclasses to show the surface if visible is true, and hide it if visible is false.
 
void setWindowState (Qt::WindowStates state) override
 Requests setting the window state of this surface to type.
 
void setWindowFlags (Qt::WindowFlags flags) override
 Requests setting the window flags of this surface to flags.
 
Qt::WindowFlags windowFlags () const
 
void setParent (const QPlatformWindow *window) override
 This function is called to enable native child window in QPA.
 
WId winId () const override
 Reimplement in subclasses to return a handle to the native window.
 
bool setMouseGrabEnabled (bool grab) override
 
bool setKeyboardGrabEnabled (bool grab) override
 
QAndroidPlatformScreenplatformScreen () const
 
QMargins safeAreaMargins () const override
 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.
 
void propagateSizeHints () override
 Reimplement to propagate the size hints of the QWindow.
 
void requestActivateWindow () override
 Reimplement to let Qt be able to request activation/focus for a window.
 
void updateSystemUiVisibility ()
 
bool isRaster () const
 
bool isExposed () const override
 Returns if this window is exposed in the windowing system.
 
virtual void applicationStateChanged (Qt::ApplicationState)
 
void setBackingStore (QAndroidPlatformBackingStore *store)
 
QAndroidPlatformBackingStorebackingStore () const
 
virtual void repaint (const QRegion &)
 
- 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.
 
QWindowwindow () const
 Returns the window which belongs to the QPlatformWindow.
 
QPlatformWindowparent () const
 Returns the parent platform window (or \nullptr if orphan).
 
QPlatformScreenscreen () const override
 Returns the platform screen handle corresponding to this platform window, or null if the window is not associated with a screen.
 
virtual QSurfaceFormat format () const override
 Returns the actual surface format of the window.
 
virtual void setGeometry (const QRect &rect)
 This function is called by Qt whenever a window is moved or resized using the QWindow API.
 
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 setVisible (bool visible)
 Reimplemented in subclasses to show the surface if visible is true, and hide it if visible is false.
 
virtual void setWindowFlags (Qt::WindowFlags flags)
 Requests setting the window flags of this surface to flags.
 
virtual void setWindowState (Qt::WindowStates state)
 Requests setting the window state of this surface to type.
 
virtual WId winId () const
 Reimplement in subclasses to return a handle to the native window.
 
virtual void setParent (const QPlatformWindow *window)
 This function is called to enable native child window in QPA.
 
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 void raise ()
 Reimplement to be able to let Qt raise windows to the top of the desktop.
 
virtual void lower ()
 Reimplement to be able to let Qt lower windows to the bottom of the desktop.
 
virtual bool isExposed () const
 Returns if this window is exposed in the windowing system.
 
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 propagateSizeHints ()
 Reimplement to propagate the size hints of the QWindow.
 
virtual void setOpacity (qreal level)
 Reimplement to be able to let Qt set the opacity level of a window.
 
virtual void setMask (const QRegion &region)
 Reimplement to be able to let Qt set the mask of a window.
 
virtual void requestActivateWindow ()
 Reimplement to let Qt be able to request activation/focus for 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 ()
 
virtual QSurfaceFormat format () const =0
 
QSurfacesurface () const
 
virtual QPlatformScreenscreen () const =0
 

Protected Member Functions

void setGeometry (const QRect &rect) override
 This function is called by Qt whenever a window is moved or resized using the QWindow API.
 
- Protected Member Functions inherited from QPlatformWindow
QPlatformScreenscreenForGeometry (const QRect &newGeometry) const
 Helper function for finding the new screen for newGeometry in response to a geometry changed event.
 

Protected Attributes

Qt::WindowFlags m_windowFlags
 
Qt::WindowStates m_windowState
 
WId m_windowId
 
QAndroidPlatformBackingStorem_backingStore = nullptr
 
- Protected Attributes inherited from QPlatformWindow
QScopedPointer< QPlatformWindowPrivated_ptr
 

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

Definition at line 16 of file qandroidplatformwindow.h.

Constructor & Destructor Documentation

◆ QAndroidPlatformWindow()

QAndroidPlatformWindow::QAndroidPlatformWindow ( QWindow window)
explicit

Member Function Documentation

◆ applicationStateChanged()

void QAndroidPlatformWindow::applicationStateChanged ( Qt::ApplicationState  )
virtual

Reimplemented in QAndroidPlatformForeignWindow, QAndroidPlatformOpenGLWindow, and QAndroidPlatformVulkanWindow.

Definition at line 162 of file qandroidplatformwindow.cpp.

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

Referenced by QAndroidPlatformForeignWindow::applicationStateChanged(), QAndroidPlatformOpenGLWindow::applicationStateChanged(), and QAndroidPlatformVulkanWindow::applicationStateChanged().

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◆ backingStore()

QAndroidPlatformBackingStore * QAndroidPlatformWindow::backingStore ( ) const
inline

Definition at line 54 of file qandroidplatformwindow.h.

References m_backingStore.

◆ isExposed()

bool QAndroidPlatformWindow::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 155 of file qandroidplatformwindow.cpp.

References Qt::ApplicationHidden, QRect::isEmpty(), qApp, and QPlatformWindow::window().

Referenced by applicationStateChanged().

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◆ isRaster()

bool QAndroidPlatformWindow::isRaster ( ) const
inline

Definition at line 42 of file qandroidplatformwindow.h.

References QPlatformWindow::isForeignWindow(), QSurface::RasterGLSurface, QSurface::RasterSurface, QWindow::surfaceType(), and QPlatformWindow::window().

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◆ lower()

void QAndroidPlatformWindow::lower ( )
overridevirtual

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

Reimplemented from QPlatformWindow.

Definition at line 44 of file qandroidplatformwindow.cpp.

References QAndroidPlatformScreen::lower(), and platformScreen().

Referenced by QAndroidPlatformForeignWindow::lower().

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◆ platformScreen()

QAndroidPlatformScreen * QAndroidPlatformWindow::platformScreen ( ) const

Definition at line 126 of file qandroidplatformwindow.cpp.

References QScreen::handle(), and QPlatformWindow::window().

Referenced by QAndroidPlatformWindow(), lower(), raise(), QAndroidPlatformOpenGLWindow::repaint(), requestActivateWindow(), safeAreaMargins(), and setVisible().

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◆ propagateSizeHints()

void QAndroidPlatformWindow::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 131 of file qandroidplatformwindow.cpp.

◆ raise()

void QAndroidPlatformWindow::raise ( )
overridevirtual

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

Reimplemented from QPlatformWindow.

Definition at line 49 of file qandroidplatformwindow.cpp.

References platformScreen(), QAndroidPlatformScreen::raise(), and updateSystemUiVisibility().

Referenced by QAndroidPlatformForeignWindow::raise().

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◆ repaint()

virtual void QAndroidPlatformWindow::repaint ( const QRegion )
inlinevirtual

Reimplemented in QAndroidPlatformOpenGLWindow.

Definition at line 56 of file qandroidplatformwindow.h.

Referenced by QAndroidPlatformVulkanWindow::setGeometry().

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◆ requestActivateWindow()

void QAndroidPlatformWindow::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::handleWindowActivated(QWindow *w) would be sufficient.

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

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

Reimplemented from QPlatformWindow.

Definition at line 136 of file qandroidplatformwindow.cpp.

References platformScreen(), QAndroidPlatformScreen::topWindowChanged(), and QPlatformWindow::window().

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◆ safeAreaMargins()

QMargins QAndroidPlatformWindow::safeAreaMargins ( ) const
overridevirtual

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.

Reimplemented from QPlatformWindow.

Definition at line 55 of file qandroidplatformwindow.cpp.

References QAndroidPlatformScreen::availableGeometry(), QRect::bottom(), QRect::left(), m_windowState, Qt::MaximizeUsingFullscreenGeometryHint, platformScreen(), QRect::right(), QPlatformWindow::safeAreaMargins(), QRect::top(), QPlatformWindow::window(), and Qt::WindowMaximized.

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◆ setBackingStore()

void QAndroidPlatformWindow::setBackingStore ( QAndroidPlatformBackingStore store)
inline

Definition at line 53 of file qandroidplatformwindow.h.

References m_backingStore.

◆ setGeometry()

void QAndroidPlatformWindow::setGeometry ( const QRect rect)
overrideprotectedvirtual

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 66 of file qandroidplatformwindow.cpp.

References QWindowSystemInterface::handleGeometryChange(), rect, QPlatformWindow::setGeometry(), and QPlatformWindow::window().

Referenced by QAndroidPlatformWindow(), QAndroidPlatformForeignWindow::setGeometry(), QAndroidPlatformOpenGLWindow::setGeometry(), QAndroidPlatformVulkanWindow::setGeometry(), and setVisible().

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◆ setKeyboardGrabEnabled()

bool QAndroidPlatformWindow::setKeyboardGrabEnabled ( bool  grab)
inlineoverridevirtual

Reimplemented from QPlatformWindow.

Definition at line 33 of file qandroidplatformwindow.h.

References Q_UNUSED.

◆ setMouseGrabEnabled()

bool QAndroidPlatformWindow::setMouseGrabEnabled ( bool  grab)
inlineoverridevirtual

Reimplemented from QPlatformWindow.

Definition at line 32 of file qandroidplatformwindow.h.

References Q_UNUSED.

◆ setParent()

void QAndroidPlatformWindow::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 121 of file qandroidplatformwindow.cpp.

References Q_UNUSED, and QPlatformWindow::window().

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◆ setVisible()

void QAndroidPlatformWindow::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 72 of file qandroidplatformwindow.cpp.

References QAndroidPlatformScreen::addWindow(), QPlatformScreen::availableGeometry(), QPlatformWindow::geometry(), QRect::height(), m_windowState, Qt::MaximizeUsingFullscreenGeometryHint, platformScreen(), QAndroidPlatformScreen::removeWindow(), QPlatformWindow::screen(), setGeometry(), QPlatformWindow::setVisible(), updateSystemUiVisibility(), QRect::width(), QPlatformWindow::window(), Qt::WindowFullScreen, and Qt::WindowMaximized.

Referenced by QAndroidPlatformForeignWindow::setVisible().

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◆ setWindowFlags()

void QAndroidPlatformWindow::setWindowFlags ( Qt::WindowFlags  flags)
overridevirtual

Requests setting the window flags of this surface to flags.

Reimplemented from QPlatformWindow.

Definition at line 108 of file qandroidplatformwindow.cpp.

References m_windowFlags.

◆ setWindowState()

void QAndroidPlatformWindow::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 96 of file qandroidplatformwindow.cpp.

References isVisible(), m_windowState, QPlatformWindow::setWindowState(), state, updateSystemUiVisibility(), and QPlatformWindow::window().

Referenced by QAndroidPlatformWindow().

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◆ updateSystemUiVisibility()

void QAndroidPlatformWindow::updateSystemUiVisibility ( )

Definition at line 141 of file qandroidplatformwindow.cpp.

References Qt::Dialog, QWindow::flags, m_windowState, Qt::MaximizeUsingFullscreenGeometryHint, Qt::Popup, QtAndroid::setSystemUiVisibility(), Qt::Sheet, QtAndroid::SYSTEM_UI_VISIBILITY_FULLSCREEN, QtAndroid::SYSTEM_UI_VISIBILITY_NORMAL, QtAndroid::SYSTEM_UI_VISIBILITY_TRANSLUCENT, Qt::Window, QPlatformWindow::window(), and Qt::WindowFullScreen.

Referenced by raise(), setVisible(), setWindowState(), and QAndroidPlatformScreen::topWindowChanged().

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◆ windowFlags()

Qt::WindowFlags QAndroidPlatformWindow::windowFlags ( ) const

Definition at line 116 of file qandroidplatformwindow.cpp.

References m_windowFlags.

◆ winId()

WId QAndroidPlatformWindow::winId ( ) const
inlineoverridevirtual

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

Reimplemented from QPlatformWindow.

Definition at line 30 of file qandroidplatformwindow.h.

References m_windowId.

Member Data Documentation

◆ m_backingStore

QAndroidPlatformBackingStore* QAndroidPlatformWindow::m_backingStore = nullptr
protected

Definition at line 67 of file qandroidplatformwindow.h.

Referenced by backingStore(), and setBackingStore().

◆ m_windowFlags

Qt::WindowFlags QAndroidPlatformWindow::m_windowFlags
protected

Definition at line 62 of file qandroidplatformwindow.h.

Referenced by QAndroidPlatformWindow(), setWindowFlags(), and windowFlags().

◆ m_windowId

WId QAndroidPlatformWindow::m_windowId
protected

Definition at line 65 of file qandroidplatformwindow.h.

Referenced by QAndroidPlatformWindow(), and winId().

◆ m_windowState

Qt::WindowStates QAndroidPlatformWindow::m_windowState
protected

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