python - Homogeneous children in ButtonBox -


i added few children buttonbox, , wanted them not homogeneous. called buttonbox.set_homogeneous(false) , worked. when resize window bellow minimum size, , vertical scrollbar appears, see there lot of empty space bellow buttonbox. able fix individually specifying each children non homogeneous calling buttonbox.set_child_non_homogeneous(child, true), while leaving in previous call buttonbox.set_homogeneous(false).

my question then, why happen? set buttonbox's layout expand, space should taken.

i made little test code illustrate i'm talking about. can try , without commented line see both cases mentioned.

import sys gi.repository import gtk   class application(gtk.application):      def __init__(self):         super().__init__(application_id='com.stackoverflow.xor')         self.connect('activate', self.on_activate)         self.connect('startup', self.on_startup)      def on_startup(self, app):         self.window = gtk.applicationwindow(application=app)         self.window.set_default_size(200, 200)         self.window.add(mainview(self))      def on_activate(self, app):         self.window.show_all()   class mainview(gtk.scrolledwindow):      def __init__(self, app):         super().__init__()         button_list = gtk.buttonbox(orientation=gtk.orientation.vertical)         button_list.set_layout(gtk.buttonboxstyle.expand)         button_list.set_homogeneous(false)         button_list.get_style_context().remove_class('linked')         in range(4):             button = gtk.button()             label = gtk.label('\n'.join(['test test'] * (i + 1)))             button.add(label)             button_list.pack_start(button, false, false, 0)             #button_list.set_child_non_homogeneous(button, true)         self.add(button_list)   if __name__ == '__main__':     main_app = application()     exit_status = main_app.run(sys.argv)     sys.exit(exit_status) 

your issue when adding buttons box set expand false.

button_list.pack_start(button, false, false, 0)

the buttonbox having expand layout not same children expanding themselves.

edit: discussed on #gtk+ children should have expand , fill set true layout.


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