Xmwidgetgetdisplayrect retrieves display rectangle information for a widget "xmwidgetgetdisplayrect"
#include <Xm/Xm.h> Boolean XmWidgetGetDisplayRect( Widget widget, XRectangle *displayrect);
XmWidgetGetDisplayRect returns the width, height and the x and y-coordinates of the upper left corner of the display rectangle of the specified widget. The display rectangle is the smallest rectangle that encloses either a string or a pixmap.
If the widget contains a string, the return values specify the x and y-coordinates of the upper left corner of the display rectangle relative to the origin of the widget and the width and height in pixels.
In the case of a pixmap, the return values specify the x and y-coordinates of the upper left corner of the pixmap relative to the origin, and the width and height of the pixmap in pixels.
Specifies the widget ID
Specifies a pointer to an XRectangle structure in which the x and y-coordinates, width and height of the display rectangle are returned
Returns True if the specified widget has an associated display rectangle; otherwise, returns False.