wxPython/samples/wxPIA_book/Chapter-18/clipboard.py

   1 import wx
   2
   3 t1_text = """\
   4 The whole contents of this control
   5 will be placed in the system's
   6 clipboard when you click the copy
   7 button below.
   8 """
   9
  10 t2_text = """\
  11 If the clipboard contains a text
  12 data object then it will be placed
  13 in this control when you click
  14 the paste button below.  Try
  15 copying to and pasting from
  16 other applications too!
  17 """
  18
  19 class MyFrame(wx.Frame):
  20     def __init__(self):
  21         wx.Frame.__init__(self, None, title="Clipboard",
  22                           size=(500,300))
  23         p = wx.Panel(self)
  24
  25         # create the controls
  26         self.t1 = wx.TextCtrl(p, -1, t1_text,
  27                               style=wx.TE_MULTILINE|wx.HSCROLL)
  28         self.t2 = wx.TextCtrl(p, -1, t2_text,
  29                               style=wx.TE_MULTILINE|wx.HSCROLL)
  30         copy = wx.Button(p, -1, "Copy")
  31         paste = wx.Button(p, -1, "Paste")
  32
  33         # setup the layout with sizers
  34         fgs = wx.FlexGridSizer(2, 2, 5, 5)
  35         fgs.AddGrowableRow(0)
  36         fgs.AddGrowableCol(0)
  37         fgs.AddGrowableCol(1)
  38         fgs.Add(self.t1, 0, wx.EXPAND)
  39         fgs.Add(self.t2, 0, wx.EXPAND)
  40         fgs.Add(copy, 0, wx.EXPAND)
  41         fgs.Add(paste, 0, wx.EXPAND)
  42         border = wx.BoxSizer()
  43         border.Add(fgs, 1, wx.EXPAND|wx.ALL, 5)
  44         p.SetSizer(border)
  45
  46         # Bind events
  47         self.Bind(wx.EVT_BUTTON, self.OnDoCopy, copy)
  48         self.Bind(wx.EVT_BUTTON, self.OnDoPaste, paste)
  49
  50     def OnDoCopy(self, evt):
  51         data = wx.TextDataObject()
  52         data.SetText(self.t1.GetValue())
  53         if wx.TheClipboard.Open():
  54             wx.TheClipboard.SetData(data)
  55             wx.TheClipboard.Close()
  56         else:
  57             wx.MessageBox("Unable to open the clipboard", "Error")
  58
  59     def OnDoPaste(self, evt):
  60         success = False
  61         data = wx.TextDataObject()
  62         if wx.TheClipboard.Open():
  63             success = wx.TheClipboard.GetData(data)
  64             wx.TheClipboard.Close()
  65
  66         if success:
  67             self.t2.SetValue(data.GetText())
  68         else:
  69             wx.MessageBox(
  70                 "There is no data in the clipboard in the required format",
  71                 "Error")
  72
  73
  74 app = wx.PySimpleApp()
  75 frm = MyFrame()
  76 frm.Show()
  77 app.MainLoop()