def ButtonDown(self, p, button, state):
self.drag_state = state
self.trafo = Identity
self.trafo_desc = (0, 0)
SelectAndDrag.DragStart(self, p)
sel = self.selection
if sel == self.selCenter:
self.drag_cur = self.drag_start = self.center
return p - self.center
ds_x = ds_y = 0
if sel in self.selLeft:
ds_x = self.start.x
if sel in self.selTop:
ds_y = self.start.y
if sel in self.selRight:
ds_x = self.end.x
if sel in self.selBottom:
ds_y = self.end.y
self.drag_cur = self.drag_start = ds = Point(ds_x, ds_y)
if sel in self.selTurn:
vec = ds - self.center
self.start_angle = math.atan2(vec.y, vec.x)
else:
if sel == 2:
self.reference = self.end.y
elif sel == 4:
self.reference = self.start.x
elif sel == 6:
self.reference = self.start.y
elif sel == 8:
self.reference = self.end.x
return p - ds
def ButtonDown(self, p, button, state):
SelectAndDrag.DragStart(self, p)
sel = self.selection
if sel == -1:
if self.anchor: #XXX shouldn't this be 'if self.anchor is not None'
start = self.anchor
else:
start = self.start
self.drag_start = self.drag_cur = start
return (p - start, self.coord_rect.translated(-start))
ds_x, ds_y = (self.start + self.end) / 2
if sel in self.selLeft:
ds_x = self.start.x
if sel in self.selTop:
ds_y = self.start.y
if sel in self.selRight:
ds_x = self.end.x
if sel in self.selBottom:
ds_y = self.end.y
self.drag_cur = self.drag_start = ds = Point(ds_x, ds_y)
self.init_constraint()
return p - ds
