| | 50 | |
| | 51 | class test4B(gtk.Widget): |
| | 52 | def __init__(self): |
| | 53 | gtk.Widget.__init__(self) |
| | 54 | self.x = 0 |
| | 55 | self.y = 0 |
| | 56 | |
| | 57 | def do_realize(self): |
| | 58 | self.set_flags(self.flags() | gtk.REALIZED) |
| | 59 | |
| | 60 | self.window = gtk.gdk.Window(self.get_parent_window(), |
| | 61 | width=self.allocation.width, |
| | 62 | height=self.allocation.height, |
| | 63 | window_type=gtk.gdk.WINDOW_CHILD, |
| | 64 | wclass=gtk.gdk.INPUT_OUTPUT, |
| | 65 | event_mask=self.get_events() | |
| | 66 | gtk.gdk.EXPOSURE_MASK) |
| | 67 | |
| | 68 | self.window.set_user_data(self) |
| | 69 | self.style.attach(self.window) |
| | 70 | self.style.set_background(self.window, gtk.STATE_NORMAL) |
| | 71 | self.window.move_resize(*self.allocation) |
| | 72 | |
| | 73 | def do_unrealize(self): |
| | 74 | self.window.set_user_data(None) |
| | 75 | |
| | 76 | def do_size_request(self, requisition): |
| | 77 | requisition.width = 250 |
| | 78 | requisition.height = 250 |
| | 79 | |
| | 80 | def do_size_allocate(self, allocation): |
| | 81 | self.allocation = allocation |
| | 82 | |
| | 83 | if self.flags() & gtk.REALIZED: |
| | 84 | self.window.move_resize(*allocation) |
| | 85 | |
| | 86 | def do_expose_event(self, event): |
| | 87 | cr = self.window.cairo_create() |
| | 88 | cr.rectangle(*event.area) |
| | 89 | cr.clip() |
| | 90 | |
| | 91 | |
| | 92 | cr.rectangle(self.x, self.y, 50, 50) |
| | 93 | cr.fill() |
| | 94 | |
| | 95 | gobject.timeout_add(25, self.timeout) |
| | 96 | |
| | 97 | def timeout(self): |
| | 98 | if self.y + 50 > self.allocation[3]: |
| | 99 | self.y = self.allocation[3] - 50 |
| | 100 | self.x += 5 |
| | 101 | if self.x + 50 > self.allocation[2]: |
| | 102 | self.y -= 5 |
| | 103 | self.x = self.allocation[2] - 49 |
| | 104 | else: |
| | 105 | self.y += 5 |
| | 106 | |
| | 107 | self.queue_draw() |
| | 108 | return False |
| | 109 | |
| | 110 | |
| | 111 | gobject.type_register(test4B) |
