Added GdkWindowTypeHint type. Added modal_hint field to GdkWindindow. New

Added GdkWindowTypeHint type. Added modal_hint field to GdkWindindow. New

2001-03-05  Alexander Larsson  <alexl@redhat.com>

	* gdk/gdkwindow.h:
	Added GdkWindowTypeHint type. Added modal_hint field to GdkWindindow.
	New functions gdk_window_set_type_hint, gdk_window_set_modal_hint and
	gdk_window_set_icon_list for net wmspec functionality.

	* gdk/x11/gdkwindow-x11.c:
	Set _NEW_WM_STATE_MODAL from window->modal_hint in set_inital_hints.
	Implement gdk_window_set_type_hint, gdk_window_set_modal_hint and
	gdk_window_set_icon_list.
	Added gdk_wmspec_change_state helper function and used it in the code.
	Set _NET_WM_ICON_NAME in gdk_window_set_title and gdk_window_set_icon_name.

	* gtk/gtkdialog.c (gtk_dialog_init):
	Set GDK_WINDOW_TYPE_HINT_DIALOG.

	* gtk/gtkhandlebox.c (gtk_handle_box_realize):
	Set GDK_WINDOW_TYPE_HINT_TOOLBAR.

	* gtk/gtkwindow.c:
	new function gtk_window_set_type_hint.
	On realize, set type hint and modal hint.

	* gtk/gtkwindow.h:
	Added type_hint field and gtk_window_set_type_hint.