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QX11Info Class Reference

The QX11Info class provides information about the X display configuration. More...

#include <QX11Info>

Part of the QtGui module.

Public Functions

Static Public Members


Detailed Description

The QX11Info class provides information about the X display configuration.


Member Function Documentation

QX11Info::QX11Info ()

Constructs an information object to describe the X server's configuration.

QX11Info::QX11Info ( const QX11Info & other )

Copy constructor. Constructs a copy of the other instance.

QX11Info::~QX11Info ()

Destroys the information object.

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

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

See also cells().

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

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

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

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

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

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

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

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

See also depth().

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

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

See also appDpiY(), setAppDpiX(), and setAppDpiY().

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

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

See also appDpiX(), setAppDpiX(), and setAppDpiY().

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

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

int QX11Info::appScreen ()   [static]

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

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

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

int QX11Info::cells () const

Returns the number of cells.

Qt::HANDLE QX11Info::colormap () const

Returns a handle for the color map.

bool QX11Info::defaultColormap () const

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

bool QX11Info::defaultVisual () const

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

int QX11Info::depth () const

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

Display * QX11Info::display ()   [static]

int QX11Info::screen () const

Returns the number of the screen currently in use.

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

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

See also appDpiX(), appDpiY(), and setAppDpiY().

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

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

See also appDpiX(), appDpiY(), and setAppDpiX().

void * QX11Info::visual () const

Returns the current visual.

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

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


Copyright © 2005 Trolltech Trademarks
Qt 4.0.0-b2