def test_cell_renderer_expanding():
'''
One cell renderer pack started in a cell view. It should expand to
cover the whole widget.
'''
cv = gtk.CellView()
cr = gtk.CellRendererText()
cr.set_property('background', '#ff0000')
cv.pack_start(cr)
win = gtk.Window()
win.add(cv)
win.show_all()
win.modify_bg(gtk.STATE_NORMAL, gdk.Color('#0000ff'))
# Cell renderer should resize now to cover the whole widget.
win.resize(500, 500)
utils.gtk_process_all_pending_events()
pixbuf = utils.widget_get_rendering(win)
# Sometimes the resize doesn't seem to happen...
assert pixbuf.get_width() == 500
assert pixbuf.get_height() == 500
assert utils.pixbuf_count_pixels(pixbuf, '#0000ff') == 0
def test_spacing_of_pack_start_renderers():
'''
Three text cell renderers are put in a cell view using pack
start. When the view is rendered, each of the three cell renderers
should occupy the same amount of space.
'''
cv = gtk.CellView()
crs = [gtk.CellRendererText() for x in range(3)]
for cr, col in zip(crs, ['#ff0000', '#00ff00', '#0000ff']):
cr.set_property('background', col)
cr.set_property('text', 'dummy text')
cv.pack_start(cr)
win = gtk.Window()
win.add(cv)
win.show_all()
pixbuf = utils.widget_get_rendering(win)
reds = utils.pixbuf_count_pixels(pixbuf, '#ff0000')
greens = utils.pixbuf_count_pixels(pixbuf, '#00ff00')
blues = utils.pixbuf_count_pixels(pixbuf, '#0000ff')
assert reds == greens == blues