def test_visual_glitch_lp1048912(self):
win = Gtk.Window()
win.set_size_request(500, 300)
scroll = Gtk.ScrolledWindow()
win.add(scroll)
viewport = Viewport()
scroll.add(viewport)
top_hbox = Gtk.HBox()
viewport.add(top_hbox)
right_column = Gtk.Box.new(Gtk.Orientation.VERTICAL, 0)
top_hbox.pack_start(right_column, True, True, 0)
apptiles = Gtk.VBox()
apptiles_frame = FramedHeaderBox()
apptiles_frame.set_name("apptiles top")
apptiles_frame.set_header_label("Frame1")
apptiles_frame.add(apptiles)
right_column.pack_start(apptiles_frame, True, True, 0)
apptiles_frame.header_implements_more_button()
apptiles2 = Gtk.VBox()
apptiles2_frame = FramedHeaderBox()
apptiles2_frame.set_name("apptiles bottom")
apptiles2_frame.set_header_label("Frame2")
apptiles2_frame.add(apptiles2)
right_column.pack_start(apptiles2_frame, True, True, 0)
apptiles2_frame.header_implements_more_button()
# this delayed adding of the tiles causes a visual glitch like
# described in #1048912 on the top of the bottom frame the line
# will not be drawn correctly - any subsequent redraw of the
# window will fix it
GLib.timeout_add(1000, add_tiles, apptiles2)
# this "viewport.queue_draw()" will fix the glitch
#GLib.timeout_add_seconds(2, lambda: viewport.queue_draw())
# stop the test
GLib.timeout_add_seconds(3, Gtk.main_quit)
win.connect("destroy", Gtk.main_quit)
win.show_all()
Gtk.main()
def test_visual_glitch_lp1048912(self):
win = Gtk.Window()
win.set_size_request(500, 300)
scroll = Gtk.ScrolledWindow()
win.add(scroll)
viewport = Viewport()
scroll.add(viewport)
top_hbox = Gtk.HBox()
viewport.add(top_hbox)
right_column = Gtk.Box.new(Gtk.Orientation.VERTICAL, 0)
top_hbox.pack_start(right_column, True, True, 0)
apptiles = Gtk.VBox()
apptiles_frame = FramedHeaderBox()
apptiles_frame.set_name("apptiles top")
apptiles_frame.set_header_label("Frame1")
apptiles_frame.add(apptiles)
right_column.pack_start(apptiles_frame, True, True, 0)
apptiles_frame.header_implements_more_button()
apptiles2 = Gtk.VBox()
apptiles2_frame = FramedHeaderBox()
apptiles2_frame.set_name("apptiles bottom")
apptiles2_frame.set_header_label("Frame2")
apptiles2_frame.add(apptiles2)
right_column.pack_start(apptiles2_frame, True, True, 0)
apptiles2_frame.header_implements_more_button()
# this delayed adding of the tiles causes a visual glitch like
# described in #1048912 on the top of the bottom frame the line
# will not be drawn correctly - any subsequent redraw of the
# window will fix it
GLib.timeout_add(1000, add_tiles, apptiles2)
# this "viewport.queue_draw()" will fix the glitch
#GLib.timeout_add_seconds(2, lambda: viewport.queue_draw())
# stop the test
GLib.timeout_add_seconds(3, Gtk.main_quit)
win.connect("destroy", Gtk.main_quit)
win.show_all()
Gtk.main()
