XDisplayWidth*() XDisplayWidth*()
Name
XDisplayWidth, XDisplayWidthMM, DisplayWidth, DisplayWidthMM – query
width of screen in pixels or millimeters.
Synopsis
int XDisplayWidthMM(display, screen_number)
Display *display;
int screen_number;
Arguments
display Specifies a connection to an X server; returned from
XOpenDisplay().
screen_number
Specifies the appropriate screen number on the server.
Returns
The width in pixels or millimeters.
Description
XDisplayWidth*() returns an integer that describes the width of the
screen in pixels. XDisplayWidthMM() returns the width of the specified
screen in millimeters.
The C language macros DisplayWidth() and DisplayWidthMM() are equiva‐
lent and slightly more efficient.
These functions are misnamed; they should really be XScreenWidth() and
XScreenWidthMM().
See Also
XDisplayHeight*(), XDisplayHeightMM(), XGetWindowAttributes(), XGetGe‐
ometry().
Xlib - Macro Equivalents XDisplayWidth*()
