gdk-screen-monitor-at-window (screen window)

screen -- a gdk-screen object
window -- a gdk-window object

An integer with the monitor number in which most of window is located, or if window does not intersect any monitors, a monitor, close to window.

Returns the number of the monitor in which the largest area of the bounding rectangle of the window resides. The gdk-screen-monitor-at-window function has been deprecated since version 3.22 and should not be used in newly written code. Use the gdk-display-monitor-at-window function instead.