squaremap.py 文件源码

def OnKeyUp(self, event):
        event.Skip()
        if not self.selectedNode or not self.hot_map:
            return

        if event.KeyCode == wx.WXK_HOME:
            self.SetSelected(HotMapNavigator.firstNode(self.hot_map))
            return
        elif event.KeyCode == wx.WXK_END:
            self.SetSelected(HotMapNavigator.lastNode(self.hot_map))
            return

        try:
            parent, children, index = HotMapNavigator.findNode(self.hot_map, self.selectedNode)
        except TypeError:
            log.info( 'Unable to find hot-map record for node %s', self.selectedNode )
        else:
            if event.KeyCode == wx.WXK_DOWN:
                self.SetSelected(HotMapNavigator.nextChild(children, index))
            elif event.KeyCode == wx.WXK_UP:
                self.SetSelected(HotMapNavigator.previousChild(children, index))
            elif event.KeyCode == wx.WXK_RIGHT:
                self.SetSelected(HotMapNavigator.firstChild(children, index))
            elif event.KeyCode == wx.WXK_LEFT and parent:
                self.SetSelected(parent)
            elif event.KeyCode == wx.WXK_RETURN:
                wx.PostEvent(self, SquareActivationEvent(node=self.selectedNode,
                                                         map=self))