tileselector.py 文件源码

def mouse_left_up(self, event):
        if not self._tilemap:
            return

        if not self._select_end:
            return

        x1, y1 = self._select_start
        x2, y2 = self._select_end

        if x2 < x1:
            x2, x1 = x1, x2
        if y2 < y1:
            y2, y1 = y1, y2

        width = x2 - x1 + 1
        height = y2 - y1 + 1

        self._select_start = None
        self._select_end = None

        self.Viewport.Refresh(False)

        if width and height:
            selection = Tilemap.from_tilemap(self._tilemap, x1, y1, x2 + 1, y2 + 1)
        else:
            selection = None

        event = TileSelector.SelectEvent(selection=selection)
        wx.PostEvent(self.GetEventHandler(), event)