Member Function Documentation

QX11Info::QX11Info()

Constructs an empty QX11Info object.

QX11Info::QX11Info(const QX11Info & other)

Constructs a copy of other.

QX11Info::~QX11Info()

Destroys the QX11Info object.

[static] int QX11Info::appCells(int screen = -1)

Returns the number of cells used by the application on the given screen.

The screen argument is an X screen number. Be aware that if the user's system uses Xinerama (as opposed to traditional X11 multiscreen), there is only one X screen. Use QDesktopWidget to query for information about Xinerama screens.

See also cells().

[static] const char * QX11Info::appClass()

Returns the X11 application class.

See also display().

[static] Qt::HANDLE QX11Info::appColormap(int screen = -1)

Returns a handle for the application's color map on the given screen.

The screen argument is an X screen number. Be aware that if the user's system uses Xinerama (as opposed to traditional X11 multiscreen), there is only one X screen. Use QDesktopWidget to query for information about Xinerama screens.

See also colormap() and defaultColormap().

[static] bool QX11Info::appDefaultColormap(int screen = -1)

Returns true if the application has a default color map on the given screen; otherwise returns false.

The screen argument is an X screen number. Be aware that if the user's system uses Xinerama (as opposed to traditional X11 multiscreen), there is only one X screen. Use QDesktopWidget to query for information about Xinerama screens.

[static] bool QX11Info::appDefaultVisual(int screen = -1)

Returns true if the application has a default visual on the given screen; otherwise returns false.

The screen argument is an X screen number. Be aware that if the user's system uses Xinerama (as opposed to traditional X11 multiscreen), there is only one X screen. Use QDesktopWidget to query for information about Xinerama screens.

[static] int QX11Info::appDepth(int screen = -1)

Returns the color depth (bits per pixel) used by the application on the given screen.

The screen argument is an X screen number. Be aware that if the user's system uses Xinerama (as opposed to traditional X11 multiscreen), there is only one X screen. Use QDesktopWidget to query for information about Xinerama screens.

See also depth().

[static] int QX11Info::appDpiX(int screen = -1)

Returns the horizontal resolution of the given screen in terms of the number of dots per inch.

The screen argument is an X screen number. Be aware that if the user's system uses Xinerama (as opposed to traditional X11 multiscreen), there is only one X screen. Use QDesktopWidget to query for information about Xinerama screens.

See also setAppDpiX() and appDpiY().

[static] int QX11Info::appDpiY(int screen = -1)

Returns the vertical resolution of the given screen in terms of the number of dots per inch.

The screen argument is an X screen number. Be aware that if the user's system uses Xinerama (as opposed to traditional X11 multiscreen), there is only one X screen. Use QDesktopWidget to query for information about Xinerama screens.

See also setAppDpiY() and appDpiX().

[static] Qt::HANDLE QX11Info::appRootWindow(int screen = -1)

Returns a handle for the applications root window on the given screen.

The screen argument is an X screen number. Be aware that if the user's system uses Xinerama (as opposed to traditional X11 multiscreen), there is only one X screen. Use QDesktopWidget to query for information about Xinerama screens.

See also QApplication::desktop().

[static] int QX11Info::appScreen()

Returns the number of the screen where the application is being displayed.

See also display() and screen().

[static] unsigned long QX11Info::appTime()

Returns the X11 time.

See also setAppTime() and appUserTime().

[static] unsigned long QX11Info::appUserTime()

Returns the X11 user time.

See also setAppUserTime() and appTime().

[static] void * QX11Info::appVisual(int screen = -1)

Returns the current visual used by the application on the given screen.

The screen argument is an X screen number. Be aware that if the user's system uses Xinerama (as opposed to traditional X11 multiscreen), there is only one X screen. Use QDesktopWidget to query for information about Xinerama screens.

See also visual() and defaultVisual().

int QX11Info::cells() const

Returns the number of cells.

See also appCells().

Qt::HANDLE QX11Info::colormap() const

Returns a handle for the color map.

See also defaultColormap().

bool QX11Info::defaultColormap() const

Returns true if there is a default color map; otherwise returns false.

See also colormap().

bool QX11Info::defaultVisual() const

Returns true if there is a default visual; otherwise returns false.

See also visual() and appVisual().

int QX11Info::depth() const

Returns the color depth (bits per pixel) of the X display.

See also appDepth().

[static] Display * QX11Info::display()

Returns the default display for the application.

See also appScreen().

[static] bool QX11Info::isCompositingManagerRunning()

Returns true if there is a compositing manager running.

This function was introduced in Qt 4.4.

int QX11Info::screen() const

Returns the number of the screen currently in use.

The return value is an X screen number. Be aware that if the user's system uses Xinerama (as opposed to traditional X11 multiscreen), there is only one X screen. Use QDesktopWidget to query for information about Xinerama screens.

See also appScreen().

[static] void QX11Info::setAppDpiX(int screen, int xdpi)

Sets the horizontal resolution of the given screen to the number of dots per inch specified by xdpi.

The screen argument is an X screen number. Be aware that if the user's system uses Xinerama (as opposed to traditional X11 multiscreen), there is only one X screen. Use QDesktopWidget to query for information about Xinerama screens.

See also appDpiX() and setAppDpiY().

[static] void QX11Info::setAppDpiY(int screen, int ydpi)

Sets the vertical resolution of the given screen to the number of dots per inch specified by ydpi.

The screen argument is an X screen number. Be aware that if the user's system uses Xinerama (as opposed to traditional X11 multiscreen), there is only one X screen. Use QDesktopWidget to query for information about Xinerama screens.

See also appDpiY() and setAppDpiX().

[static] void QX11Info::setAppTime(unsigned long time)

Sets the X11 time to the value specified by time.

See also appTime() and setAppUserTime().

[static] void QX11Info::setAppUserTime(unsigned long time)

Sets the X11 user time as specified by time.

See also appUserTime() and setAppTime().

void * QX11Info::visual() const

Returns the current visual.

See also appVisual() and defaultVisual().

QX11Info & QX11Info::operator=(const QX11Info & other)

Assigns other to this object and returns a reference to this object.