The relevant part of the HIG says do not use modal dialogues unless neccessary (see http://developer.gnome.org/projects/gup/hig/2.0/windows.html#window-props-modality)
None of the projects you have mentioned are GNOME projects (though do use GTK+),
The relevant part of the HIG says do not use modal dialogues unless neccessary (see http:// developer. gnome.org/ projects/ gup/hig/ 2.0/windows. html#window- props-modality)
None of the projects you have mentioned are GNOME projects (though do use GTK+),