dfgui.py 文件源码

def _on_right_click(self, event):
        """
        Copies a cell into clipboard on right click. Unfortunately,
        determining the clicked column is not straightforward. This
        appraoch is inspired by the TextEditMixin in:
        /usr/lib/python2.7/dist-packages/wx-2.8-gtk2-unicode/wx/lib/mixins/listctrl.py
        More references:
        - http://wxpython-users.1045709.n5.nabble.com/Getting-row-col-of-selected-cell-in-ListCtrl-td2360831.html
        - https://groups.google.com/forum/#!topic/wxpython-users/7BNl9TA5Y5U
        - https://groups.google.com/forum/#!topic/wxpython-users/wyayJIARG8c
        """
        if self.HitTest(event.GetPosition()) != wx.NOT_FOUND:
            x, y = event.GetPosition()
            row, flags = self.HitTest((x, y))

            col_locs = [0]
            loc = 0
            for n in range(self.GetColumnCount()):
                loc = loc + self.GetColumnWidth(n)
                col_locs.append(loc)

            scroll_pos = self.GetScrollPos(wx.HORIZONTAL)
            # this is crucial step to get the scroll pixel units
            unit_x, unit_y = self.GetMainWindow().GetScrollPixelsPerUnit()

            col = bisect(col_locs, x + scroll_pos * unit_x) - 1

            value = self.df.iloc[row, col]
            # print(row, col, scroll_pos, value)

            clipdata = wx.TextDataObject()
            clipdata.SetText(str(value))
            wx.TheClipboard.Open()
            wx.TheClipboard.SetData(clipdata)
            wx.TheClipboard.Close()