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Internal/Contributor docs for the Qt SDK. <b>Note:</b> These are NOT official API docs; those are found <a href='https://doc.qt.io/'>here</a>.
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Public Member Functions | Protected Member Functions | List of all members
QQnxRasterWindow Class Reference

#include <qqnxrasterwindow.h>

+ Inheritance diagram for QQnxRasterWindow:
+ Collaboration diagram for QQnxRasterWindow:

Public Member Functions

 QQnxRasterWindow (QWindow *window, screen_context_t context, bool needRootWindow)
 
void post (const QRegion &dirty)
 
void scroll (const QRegion &region, int dx, int dy, bool flush=false)
 
QQnxBuffer & renderBuffer ()
 
bool hasBuffers () const
 
void setParent (const QPlatformWindow *window) override
 This function is called to enable native child window in QPA.
 
void adjustBufferSize ()
 
- Public Member Functions inherited from QQnxWindow
 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

int pixelFormat () const override
 
void resetBuffers () override
 
void blitPreviousToCurrent (const QRegion &region, int dx, int dy, bool flush=false)
 
void blitHelper (QQnxBuffer &source, QQnxBuffer &target, const QPoint &sourceOffset, const QPoint &targetOffset, const QRegion &region, bool flush=false)
 
- Protected Member Functions inherited from QQnxWindow
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.
 

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].
 
- Protected Attributes inherited from QQnxWindow
screen_context_t m_screenContext
 
- Protected Attributes inherited from QPlatformWindow
QScopedPointer< QPlatformWindowPrivate > d_ptr
 

Detailed Description

Definition at line 12 of file qqnxrasterwindow.h.

Constructor & Destructor Documentation

◆ QQnxRasterWindow()

QT_BEGIN_NAMESPACE QQnxRasterWindow::QQnxRasterWindow ( QWindow * window,
screen_context_t context,
bool needRootWindow )

Definition at line 15 of file qqnxrasterwindow.cpp.

References Qt::Desktop, QQnxWindow::initWindow(), QQnxWindow::nativeHandle(), Q_UNLIKELY, qFatal, and QPlatformWindow::window().

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Member Function Documentation

◆ adjustBufferSize()

void QQnxRasterWindow::adjustBufferSize ( )

Definition at line 136 of file qqnxrasterwindow.cpp.

References QQnxWindow::bufferSize(), QQnxWindow::setBufferSize(), QWindow::size(), and QPlatformWindow::window().

Referenced by QQnxRasterBackingStore::beginPaint(), and setParent().

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◆ blitHelper()

void QQnxRasterWindow::blitHelper ( QQnxBuffer & source,
QQnxBuffer & target,
const QPoint & sourceOffset,
const QPoint & targetOffset,
const QRegion & region,
bool flush = false )
protected

◆ blitPreviousToCurrent()

void QQnxRasterWindow::blitPreviousToCurrent ( const QRegion & region,
int dx,
int dy,
bool flush = false )
protected

Definition at line 157 of file qqnxrasterwindow.cpp.

References QRect::intersected(), QQnxBuffer::invalidateInCache(), QRegion::isEmpty(), QQnxWindow::m_screenContext, QQnxBuffer::nativeBuffer(), Q_FUNC_INFO, Q_SCREEN_CHECKERROR, qCDebug, QRegion::rbegin(), QQnxBuffer::rect(), rect, QRegion::rend(), QPlatformWindow::window(), and QRect::x().

Referenced by post(), and scroll().

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◆ hasBuffers()

bool QQnxRasterWindow::hasBuffers ( ) const
inline

Definition at line 23 of file qqnxrasterwindow.h.

References QQnxWindow::bufferSize(), and QSize::isEmpty().

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◆ pixelFormat()

int QQnxRasterWindow::pixelFormat ( ) const
overrideprotectedvirtual

Implements QQnxWindow.

Definition at line 144 of file qqnxrasterwindow.cpp.

References QQnxWindow::screen().

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◆ post()

void QQnxRasterWindow::post ( const QRegion & dirty)

Definition at line 32 of file qqnxrasterwindow.cpp.

References blitPreviousToCurrent(), QRegion::boundingRect(), QRegion::isEmpty(), MAX_BUFFER_COUNT, QQnxBuffer::nativeBuffer(), QQnxWindow::nativeHandle(), Q_FUNC_INFO, Q_SCREEN_CHECKERROR, qCDebug, rect, QPlatformWindow::window(), QQnxWindow::windowPosted(), and QRect::x().

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◆ renderBuffer()

QQnxBuffer & QQnxRasterWindow::renderBuffer ( )

Definition at line 96 of file qqnxrasterwindow.cpp.

References i, MAX_BUFFER_COUNT, QQnxWindow::nativeHandle(), Q_FUNC_INFO, Q_SCREEN_CHECKERROR, Q_SCREEN_CRITICALERROR, qCDebug, QQnxWindow::screen(), and QPlatformWindow::window().

Referenced by QQnxRasterBackingStore::paintDevice().

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◆ resetBuffers()

void QQnxRasterWindow::resetBuffers ( )
overrideprotectedvirtual

Implements QQnxWindow.

Definition at line 149 of file qqnxrasterwindow.cpp.

◆ scroll()

void QQnxRasterWindow::scroll ( const QRegion & region,
int dx,
int dy,
bool flush = false )

Definition at line 89 of file qqnxrasterwindow.cpp.

References blitPreviousToCurrent(), Q_FUNC_INFO, qCDebug, and QPlatformWindow::window().

Referenced by QQnxRasterBackingStore::scroll().

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◆ setParent()

void QQnxRasterWindow::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 130 of file qqnxrasterwindow.cpp.

References adjustBufferSize(), and QQnxWindow::setParent().

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