Default state. This setting uses the default window gravity on the
underlying windowing system to determine the position of the window.
This generally results in the window being mapped from the top left
corner of the screen.
1
GTK_WIN_POS_CENTER
Places the window over the center of the screen.
2
GTK_WIN_POS_MOUSE
Draws the window at the point of the mouse cursor. This is useful
for popup menus or similar widgets initiated by a mouse-click.
3
GTK_WIN_POS_CENTER_ALWAYS
Places the window over the center of the screen and keeps those
co-ordinates stored in memory, so that a redraw following a move
elsewhere will reposition the window at the center.