LogViewer.py 文件源码

def OnPaint(self, event):
        dc = wx.BufferedPaintDC(self)
        dc.Clear()
        dc.BeginDrawing()

        gc = wx.GCDC(dc)

        width, height = self.GetClientSize()

        gc.SetPen(wx.Pen(wx.NamedColour("GREY"), 3))
        gc.SetBrush(wx.GREY_BRUSH)

        gc.DrawLines(ArrowPoints(wx.TOP, width * 0.75, width * 0.5, 2, (width + height) / 4 - 3))
        gc.DrawLines(ArrowPoints(wx.TOP, width * 0.75, width * 0.5, 2, (width + height) / 4 + 3))

        gc.DrawLines(ArrowPoints(wx.BOTTOM, width * 0.75, width * 0.5, 2, (height * 3 - width) / 4 + 3))
        gc.DrawLines(ArrowPoints(wx.BOTTOM, width * 0.75, width * 0.5, 2, (height * 3 - width) / 4 - 3))

        thumb_rect = self.GetThumbRect()
        exclusion_rect = wx.Rect(thumb_rect.x, thumb_rect.y,
                                 thumb_rect.width, thumb_rect.height)
        if self.Parent.IsMessagePanelTop():
            exclusion_rect.y, exclusion_rect.height = width, exclusion_rect.y + exclusion_rect.height - width
        if self.Parent.IsMessagePanelBottom():
            exclusion_rect.height = height - width - exclusion_rect.y
        if exclusion_rect != thumb_rect:
            colour = wx.NamedColour("LIGHT GREY")
            gc.SetPen(wx.Pen(colour))
            gc.SetBrush(wx.Brush(colour))

            gc.DrawRectangle(exclusion_rect.x, exclusion_rect.y,
                             exclusion_rect.width, exclusion_rect.height)

        gc.SetPen(wx.GREY_PEN)
        gc.SetBrush(wx.GREY_BRUSH)

        gc.DrawPolygon(ArrowPoints(wx.TOP, width, width, 0, 0))

        gc.DrawPolygon(ArrowPoints(wx.BOTTOM, width, width, 0, height))

        gc.DrawRectangle(thumb_rect.x, thumb_rect.y,
                         thumb_rect.width, thumb_rect.height)

        dc.EndDrawing()
        event.Skip()