def invalidate(self, invalid_rcs, draw_mouse=True):
assert all(isinstance(rc, Rect) for rc in invalid_rcs)
update_rcs = map(Rect, invalid_rcs)
self.debug('invalidate', {'rects': update_rcs})
wnds_to_draw = []
for wnd in reversed(self.wnds):
new_invalid_rcs = []
for invalid_rc in invalid_rcs:
draw_rc = invalid_rc.intersected(
wnd.window_rect_in_screen_coord())
if draw_rc.is_empty():
new_invalid_rcs.append(invalid_rc)
else:
wnds_to_draw.append((wnd, draw_rc))
if wnd.attr() & WND_TRANSPARENT:
new_invalid_rcs.append(invalid_rc)
else:
new_invalid_rcs.extend(invalid_rc - draw_rc)
invalid_rcs = new_invalid_rcs
painter = Painter(self.screen)
for wnd, rc in reversed(wnds_to_draw):
self.blit_window(painter, wnd, rc)
if draw_mouse:
painter.draw_bitmap(self.mouse_x, self.mouse_y, self.mouse_img)
for rc in update_rcs:
self.update_screen(rc)
def on_paint(self, ev):
painter = Painter(self)
painter.draw_bitmap(0, 0, self.im)
for i, icon in enumerate(self.icons):
x = ICON_MARGIN
y = ICON_MARGIN + i * (ICON_SIZE + ICON_MARGIN)
if i == self.cur_icon:
rc = Rect(x, y, ICON_SIZE, ICON_SIZE)
dx = ICON_SIZE / 10
rc.adjust(-dx, -dx, dx, dx)
painter.fill_rect(rc, SteelBlue)
painter.draw_bitmap(x, y, icon)
def on_paint(self, ev):
painter = Painter(self)
painter.draw_bitmap(0, 0, self.im)
def update_screen(self, rc):
painter = Painter(Bitmap(self.video_mem))
painter.draw_bitmap(rc, self.screen, rc)
