#include <qplatformscreen.h>

Inheritance diagram for QPlatformPlaceholderScreen:

Collaboration diagram for QPlatformPlaceholderScreen:

Public Member Functions
	QPlatformPlaceholderScreen (bool virtualSibling=true)

bool	isPlaceholder () const override

QRect	geometry () const override
	Reimplement in subclass to return the pixel geometry of the screen.

QRect	availableGeometry () const override
	Reimplement in subclass to return the pixel geometry of the available space This normally is the desktop screen minus the task manager, global menubar etc.

int	depth () const override
	Reimplement in subclass to return current depth of the screen.

QImage::Format	format () const override
	Reimplement in subclass to return the image format which corresponds to the screen format.

QList< QPlatformScreen * >	virtualSiblings () const override
	Returns a list of all the platform screens that are part of the same virtual desktop.

Public Member Functions inherited from QPlatformScreen
	QPlatformScreen ()

virtual	~QPlatformScreen ()

virtual bool	isPlaceholder () const

virtual QPixmap	grabWindow (WId window, int x, int y, int width, int height) const
	This function is called when Qt needs to be able to grab the content of a window.

virtual QRect	geometry () const =0
	Reimplement in subclass to return the pixel geometry of the screen.

virtual QRect	availableGeometry () const
	Reimplement in subclass to return the pixel geometry of the available space This normally is the desktop screen minus the task manager, global menubar etc.

virtual int	depth () const =0
	Reimplement in subclass to return current depth of the screen.

virtual QImage::Format	format () const =0
	Reimplement in subclass to return the image format which corresponds to the screen format.

virtual QColorSpace	colorSpace () const

virtual QSizeF	physicalSize () const
	Reimplement this function in subclass to return the physical size of the screen, in millimeters.

virtual QDpi	logicalDpi () const
	Reimplement this function in subclass to return the logical horizontal and vertical dots per inch metrics of the screen.

virtual QDpi	logicalBaseDpi () const
	Reimplement to return the base logical DPI for the platform.

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

virtual qreal	refreshRate () const
	Reimplement this function in subclass to return the vertical refresh rate of the screen, in Hz.

virtual Qt::ScreenOrientation	nativeOrientation () const
	Reimplement this function in subclass to return the native orientation of the screen, e.g.

virtual Qt::ScreenOrientation	orientation () const
	Reimplement this function in subclass to return the current orientation of the screen, for example based on accelerometer data to determine the device orientation.

virtual QWindow *	topLevelAt (const QPoint &point) const
	Return the given top level window for a given position.

QWindowList	windows () const
	Return all windows residing on this screen.

virtual QList< QPlatformScreen * >	virtualSiblings () const
	Returns a list of all the platform screens that are part of the same virtual desktop.

const QPlatformScreen *	screenForPosition (const QPoint &point) const
	Find the sibling screen corresponding to globalPos.

QScreen *	screen () const

virtual QString	name () const

virtual QString	manufacturer () const
	Reimplement this function in subclass to return the manufacturer of this screen.

virtual QString	model () const
	Reimplement this function in subclass to return the model of this screen.

virtual QString	serialNumber () const
	Reimplement this function in subclass to return the serial number of this screen.

virtual QPlatformCursor *	cursor () const
	Reimplement this function in subclass to return the cursor of the screen.

virtual SubpixelAntialiasingType	subpixelAntialiasingTypeHint () const
	Returns a hint about this screen's subpixel layout structure.

virtual PowerState	powerState () const
	Returns the current power state.

virtual void	setPowerState (PowerState state)
	Sets the power state for this screen.

virtual QList< Mode >	modes () const
	Reimplement this function in subclass to return the list of modes for this screen.

virtual int	currentMode () const
	Reimplement this function in subclass to return the index of the current mode from the modes list.

virtual int	preferredMode () const
	Reimplement this function in subclass to return the preferred mode index from the modes list.

Additional Inherited Members
Public Types inherited from QPlatformScreen
enum	SubpixelAntialiasingType { Subpixel_None , Subpixel_RGB , Subpixel_BGR , Subpixel_VRGB , Subpixel_VBGR }

enum	PowerState { PowerStateOn , PowerStateStandby , PowerStateSuspend , PowerStateOff }

Static Public Member Functions inherited from QPlatformScreen
static QPlatformScreen *	platformScreenForWindow (const QWindow *window)

static int	angleBetween (Qt::ScreenOrientation a, Qt::ScreenOrientation b)

static QTransform	transformBetween (Qt::ScreenOrientation a, Qt::ScreenOrientation b, const QRect &target)

static QRect	mapBetween (Qt::ScreenOrientation a, Qt::ScreenOrientation b, const QRect &rect)

static QDpi	overrideDpi (const QDpi &in)

Protected Member Functions inherited from QPlatformScreen
void	resizeMaximizedWindows ()
	Convenience method to resize all the maximized and fullscreen windows of this platform screen.

Protected Attributes inherited from QPlatformScreen
QScopedPointer< QPlatformScreenPrivate >	d_ptr

Detailed Description

Definition at line 140 of file qplatformscreen.h.

Constructor & Destructor Documentation

◆ QPlatformPlaceholderScreen()

QPlatformPlaceholderScreen::QPlatformPlaceholderScreen ( bool virtualSibling = true )

inline

Definition at line 148 of file qplatformscreen.h.

Member Function Documentation

◆ availableGeometry()

QRect QPlatformPlaceholderScreen::availableGeometry ( ) const

inlineoverridevirtual

Reimplement in subclass to return the pixel geometry of the available space This normally is the desktop screen minus the task manager, global menubar etc.

Reimplemented from QPlatformScreen.

Definition at line 151 of file qplatformscreen.h.

◆ depth()

int QPlatformPlaceholderScreen::depth ( ) const

inlineoverridevirtual

Reimplement in subclass to return current depth of the screen.

Implements QPlatformScreen.

Definition at line 152 of file qplatformscreen.h.

◆ format()

QImage::Format QPlatformPlaceholderScreen::format ( ) const

inlineoverridevirtual

Reimplement in subclass to return the image format which corresponds to the screen format.

Implements QPlatformScreen.

Definition at line 153 of file qplatformscreen.h.

References QImage::Format_RGB32.

◆ geometry()

QRect QPlatformPlaceholderScreen::geometry ( ) const

inlineoverridevirtual

Reimplement in subclass to return the pixel geometry of the screen.

Implements QPlatformScreen.

Definition at line 150 of file qplatformscreen.h.

◆ isPlaceholder()

bool QPlatformPlaceholderScreen::isPlaceholder ( ) const

inlineoverridevirtual

Reimplemented from QPlatformScreen.

Definition at line 149 of file qplatformscreen.h.

◆ virtualSiblings()

QList< QPlatformScreen * > QPlatformPlaceholderScreen::virtualSiblings ( ) const

overridevirtual

Returns a list of all the platform screens that are part of the same virtual desktop.

Screens part of the same virtual desktop share a common coordinate system, and windows can be freely moved between them.

Reimplemented from QPlatformScreen.

Definition at line 531 of file qplatformscreen.cpp.

References QScreen::handle(), QPlatformScreen::screen(), and QGuiApplication::screens().

Here is the call graph for this function:

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

qtbase/src/gui/kernel/qplatformscreen.h
qtbase/src/gui/kernel/qplatformscreen.cpp

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ QPlatformPlaceholderScreen()

Member Function Documentation

◆ availableGeometry()

◆ depth()

◆ format()

◆ geometry()

◆ isPlaceholder()

◆ virtualSiblings()