2006-12-27 Kristian Rietveld <kris@gtk.org>
Support inverting arrows via XSetting. (#377979, Yevgen Muntyan).
* gtk/gtksettings.c (gtk_settings_class_init): add new setting
gtk-alternative-sort-arrows.
* gdk/win32/gdkproperty-win32.c (gdk_screen_get_setting): add
new setting.
* modules/engines/ms-windows/Theme/gtk-2.0/gtkrc: set new
gtk-alternative-sort-arrows setting to true.
* gtk/gtktreeviewcolumn.c (gtk_tree_view_column_update_button):
invert direction if gtk-alternative-sort-arrows is TRUE.