Tk_GeometryRequest, Tk_SetInternalBorder - specify desired geometry or internal border for a window
Tk_GeometryRequest(tkwin, reqWidth, reqHeight)
Tk_Window tkwin (in) Window for which geometry is being requested.
If tkwin is a top-level window, then the geometry information will be passed to the window manager using the standard ICCCM protocol.
Tk_SetInternalBorder is called by widget code to indicate that the widget has an internal border. This means that the widget draws a decorative border inside the window instead of using the standard X borders, which are external to the window's area. For example, internal borders are used to draw 3-D effects. Width specifies the width of the border in pixels. Geometry managers will use this information to avoid placing any children of tkwin overlapping the outermost width pixels of tkwin's area.
The information specified in calls to Tk_GeometryRequest and Tk_SetInternalBorder can be retrieved using the macros Tk_ReqWidth, Tk_ReqHeight, and Tk_InternalBorderWidth. See the Tk_WindowId manual entry for details.
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