The application can use this hint to tell the window manager
that a certain window has modal behaviour. The window manager
can use this information to handle modal windows in a special
way.
You should only use this on windows for which you have
previously called gdk_window_set_transient_for()
The application can use this hint to tell the window manager that a certain window has modal behaviour. The window manager can use this information to handle modal windows in a special way. You should only use this on windows for which you have previously called gdk_window_set_transient_for()