def event(self, event):
if event.type == graphics.const.MOUSEBUTTONDOWN:
self.vx = 0
self.vy = 0
self.start_dragging = event.pos
self.start_dragging_abs = event.abs_pos
self.was_dragged = False
self.canceled_event(event)
return ui.LOCK_MOUSE_EVENT
elif event.type == graphics.const.MOUSEMOTION:
if self.start_dragging:
dx, dy = _subpoints(self.start_dragging, event.pos)
if (dx*dx+dy*dy) > 16:
self.start_dragging = event.pos
self.was_dragged = True
self.y += dy
self.x += dx
elif event.type == graphics.const.MOUSEBUTTONUP:
if self.was_dragged:
dx, dy = _subpoints(self.start_dragging, event.pos)
self.vx = _scroll_speed_func(self.vx, dx)
self.vy = _scroll_speed_func(self.vy, dy)
self.y += dy
self.x += dx
else:
if self.start_dragging:
self.post_mouse_event(ui.Event(graphics.const.MOUSEBUTTONDOWN,
{'pos': self.start_dragging,
'abs_pos': self.start_dragging_abs}))
self.post_mouse_event(event)
self.start_dragging = None
self.was_dragged = False
self.canceled_event(event)
else:
self.item.event(event)
def event(self, event):
if event.type == graphics.const.MOUSEBUTTONDOWN:
self.vx = 0
self.vy = 0
self.start_dragging = event.pos
self.start_dragging_abs = event.abs_pos
self.was_dragged = False
self.canceled_event(event)
return ui.LOCK_MOUSE_EVENT
elif event.type == graphics.const.MOUSEMOTION:
if self.start_dragging:
dx, dy = _subpoints(self.start_dragging, event.pos)
if (dx * dx + dy * dy) > 16:
self.start_dragging = event.pos
self.was_dragged = True
self.y += dy
self.x += dx
elif event.type == graphics.const.MOUSEBUTTONUP:
if self.was_dragged:
dx, dy = _subpoints(self.start_dragging, event.pos)
self.vx = _scroll_speed_func(self.vx, dx)
self.vy = _scroll_speed_func(self.vy, dy)
self.y += dy
self.x += dx
else:
if self.start_dragging:
self.post_mouse_event(
ui.Event(
graphics.const.MOUSEBUTTONDOWN, {
'pos': self.start_dragging,
'abs_pos': self.start_dragging_abs
}))
self.post_mouse_event(event)
self.start_dragging = None
self.was_dragged = False
self.canceled_event(event)
else:
self.item.event(event)
self.normalize()
def event(self, ev):
if hasattr(ev, 'pos'):
pos = self.get_pos()
ev.pos = _subpoints(ev.pos, pos)
if ev.pos[0] < 0 or ev.pos[1] < 0:
return
size = self.item.size
if ev.pos[1] > size[1] or ev.pos[0] > size[0]:
return
result = self.item.event(ev)
ev.pos = _addpoints(ev.pos, pos)
return result
else:
self.item.event(ev)
def event(self, ev):
if hasattr(ev, 'pos'):
pos = self.get_pos()
ev.pos = _subpoints(ev.pos, pos)
if ev.pos[0] < 0 or ev.pos[1] < 0:
return
size = self.item.size
if ev.pos[1] > size[1] or ev.pos[0] > size[0]:
return
result = self.item.event(ev)
ev.pos = _addpoints(ev.pos, pos)
return result
else:
self.item.event(ev)