rectalign.py 文件源码

def get_handle_for_mouse(self, pos):
        for n, handle in enumerate(self.model.all_handles()):
            if handle is None:
                continue
            # get the pix-wise BBOX of the handle
            p = self.im2V(handle)
            r = QtCore.QRect(p[0], p[1], 0, 0)
            r.adjust(-HANDLE_HALF_SIZE, -HANDLE_HALF_SIZE, HANDLE_HALF_SIZE, HANDLE_HALF_SIZE)

            # If event inside the bbox
            if r.contains(pos):
                return n
        return None