wxPython/demo/ExpandoTextCtrl.py

   1
   2 import wx
   3 from wx.lib.expando import ExpandoTextCtrl, EVT_ETC_LAYOUT_NEEDED
   4
   5 #----------------------------------------------------------------------
   6
   7 class TestFrame(wx.Frame):
   8     def __init__(self, parent):
   9         wx.Frame.__init__(self, parent, title="Test ExpandoTextCtrl")
  10         self.pnl = p = wx.Panel(self)
  11         self.eom = ExpandoTextCtrl(p, size=(250,-1),
  12                                    value="This control will expand as you type")
  13         self.Bind(EVT_ETC_LAYOUT_NEEDED, self.OnRefit, self.eom)
  14
  15         # create some buttons and sizers to use in testing some
  16         # features and also the layout
  17         vBtnSizer = wx.BoxSizer(wx.VERTICAL)
  18
  19         btn = wx.Button(p, -1, "Set MaxHeight")
  20         self.Bind(wx.EVT_BUTTON, self.OnSetMaxHeight, btn)
  21         vBtnSizer.Add(btn, 0, wx.ALL|wx.EXPAND, 5)
  22
  23         btn = wx.Button(p, -1, "Set Font")
  24         self.Bind(wx.EVT_BUTTON, self.OnSetFont, btn)
  25         vBtnSizer.Add(btn, 0, wx.ALL|wx.EXPAND, 5)
  26
  27         btn = wx.Button(p, -1, "Write Text")
  28         self.Bind(wx.EVT_BUTTON, self.OnWriteText, btn)
  29         vBtnSizer.Add(btn, 0, wx.ALL|wx.EXPAND, 5)
  30
  31         for x in range(5):
  32             btn = wx.Button(p, -1, " ")
  33             vBtnSizer.Add(btn, 0, wx.ALL|wx.EXPAND, 5)
  34
  35         hBtnSizer = wx.BoxSizer(wx.HORIZONTAL)
  36         for x in range(3):
  37             btn = wx.Button(p, -1, " ")
  38             hBtnSizer.Add(btn, 0, wx.ALL, 5)
  39
  40         sizer = wx.BoxSizer(wx.HORIZONTAL)
  41         col1 = wx.BoxSizer(wx.VERTICAL)
  42         col1.Add(self.eom, 0, wx.ALL, 10)
  43         col1.Add(hBtnSizer)
  44         sizer.Add(col1)
  45         sizer.Add(vBtnSizer)
  46         p.SetSizer(sizer)
  47
  48         # Put the panel in a sizer for the frame so we can use self.Fit()
  49         frameSizer = wx.BoxSizer()
  50         frameSizer.Add(p, 1, wx.EXPAND)
  51         self.SetSizer(frameSizer)
  52
  53         self.Fit()
  54
  55
  56     def OnRefit(self, evt):
  57         # The Expando control will redo the layout of the
  58         # sizer it belongs to, but sometimes this may not be
  59         # enough, so it will send us this event so we can do any
  60         # other layout adjustments needed.  In this case we'll
  61         # just resize the frame to fit the new needs of the sizer.
  62         self.Fit()
  63
  64     def OnSetMaxHeight(self, evt):
  65         mh = self.eom.GetMaxHeight()
  66         dlg = wx.NumberEntryDialog(self, "", "Enter new max height:",
  67                                    "MaxHeight", mh, -1, 1000)
  68         if dlg.ShowModal() == wx.ID_OK:
  69             self.eom.SetMaxHeight(dlg.GetValue())
  70         dlg.Destroy()
  71
  72
  73     def OnSetFont(self, evt):
  74         dlg = wx.FontDialog(self, wx.FontData())
  75         dlg.GetFontData().SetInitialFont(self.eom.GetFont())
  76         if dlg.ShowModal() == wx.ID_OK:
  77             self.eom.SetFont(dlg.GetFontData().GetChosenFont())
  78         dlg.Destroy()
  79
  80
  81     def OnWriteText(self, evt):
  82         self.eom.WriteText("\nThis is a test...  Only a test.  If this had "
  83                            "been a real emergency you would have seen the "
  84                            "quick brown fox jump over the lazy dog.\n")
  85
  86
  87 #----------------------------------------------------------------------
  88
  89 class TestPanel(wx.Panel):
  90     def __init__(self, parent, log):
  91         self.log = log
  92         wx.Panel.__init__(self, parent, -1)
  93
  94         b = wx.Button(self, -1, " Test ExpandoTextCtrl ", (50,50))
  95         self.Bind(wx.EVT_BUTTON, self.OnButton, b)
  96
  97
  98     def OnButton(self, evt):
  99         self.win = TestFrame(self)
 100         self.win.Show(True)
 101
 102
 103 #----------------------------------------------------------------------
 104
 105 def runTest(frame, nb, log):
 106     win = TestPanel(nb, log)
 107     return win
 108
 109 #----------------------------------------------------------------------
 110
 111
 112
 113 overview = """<html><body>
 114 <h2><center>ExpandoTextCtrl</center></h2>
 115
 116 The ExpandoTextCtrl is a multi-line wx.TextCtrl that will
 117 adjust its height on the fly as needed to accomodate the number of
 118 lines needed to display the current content of the control.  It is
 119 assumed that the width of the control will be a fixed value and
 120 that only the height will be adjusted automatically.  If the
 121 control is used in a sizer then the width should be set as part of
 122 the initial or min size of the control.
 123
 124 </body></html>
 125 """
 126
 127
 128
 129 if __name__ == '__main__':
 130     import sys,os
 131     import run
 132     run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])
 133