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, log):
   9         wx.Frame.__init__(self, parent, title="Test ExpandoTextCtrl")
  10         self.log = log
  11         self.pnl = p = wx.Panel(self)
  12         self.eom = ExpandoTextCtrl(p, size=(250,-1),
  13                                    value="This control will expand as you type")
  14         self.Bind(EVT_ETC_LAYOUT_NEEDED, self.OnRefit, self.eom)
  15
  16         # create some buttons and sizers to use in testing some
  17         # features and also the layout
  18         vBtnSizer = wx.BoxSizer(wx.VERTICAL)
  19
  20         btn = wx.Button(p, -1, "Set MaxHeight")
  21         self.Bind(wx.EVT_BUTTON, self.OnSetMaxHeight, btn)
  22         vBtnSizer.Add(btn, 0, wx.ALL|wx.EXPAND, 5)
  23
  24         btn = wx.Button(p, -1, "Set Font")
  25         self.Bind(wx.EVT_BUTTON, self.OnSetFont, btn)
  26         vBtnSizer.Add(btn, 0, wx.ALL|wx.EXPAND, 5)
  27
  28         btn = wx.Button(p, -1, "Write Text")
  29         self.Bind(wx.EVT_BUTTON, self.OnWriteText, btn)
  30         vBtnSizer.Add(btn, 0, wx.ALL|wx.EXPAND, 5)
  31
  32         btn = wx.Button(p, -1, "Append Text")
  33         self.Bind(wx.EVT_BUTTON, self.OnAppendText, btn)
  34         vBtnSizer.Add(btn, 0, wx.ALL|wx.EXPAND, 5)
  35
  36         btn = wx.Button(p, -1, "Set Value")
  37         self.Bind(wx.EVT_BUTTON, self.OnSetValue, btn)
  38         vBtnSizer.Add(btn, 0, wx.ALL|wx.EXPAND, 5)
  39
  40         btn = wx.Button(p, -1, "Get Value")
  41         self.Bind(wx.EVT_BUTTON, self.OnGetValue, btn)
  42         vBtnSizer.Add(btn, 0, wx.ALL|wx.EXPAND, 5)
  43
  44         for x in range(3):
  45             btn = wx.Button(p, -1, " ")
  46             vBtnSizer.Add(btn, 0, wx.ALL|wx.EXPAND, 5)
  47             self.Bind(wx.EVT_BUTTON, self.OnOtherBtn, btn)
  48
  49         hBtnSizer = wx.BoxSizer(wx.HORIZONTAL)
  50         for x in range(3):
  51             btn = wx.Button(p, -1, " ")
  52             hBtnSizer.Add(btn, 0, wx.ALL, 5)
  53             self.Bind(wx.EVT_BUTTON, self.OnOtherBtn, btn)
  54
  55         sizer = wx.BoxSizer(wx.HORIZONTAL)
  56         col1 = wx.BoxSizer(wx.VERTICAL)
  57         col1.Add(self.eom, 0, wx.ALL, 10)
  58         col1.Add(hBtnSizer)
  59         sizer.Add(col1)
  60         sizer.Add(vBtnSizer)
  61         p.SetSizer(sizer)
  62
  63         # Put the panel in a sizer for the frame so we can use self.Fit()
  64         frameSizer = wx.BoxSizer()
  65         frameSizer.Add(p, 1, wx.EXPAND)
  66         self.SetSizer(frameSizer)
  67
  68         self.Fit()
  69
  70
  71     def OnRefit(self, evt):
  72         # The Expando control will redo the layout of the
  73         # sizer it belongs to, but sometimes this may not be
  74         # enough, so it will send us this event so we can do any
  75         # other layout adjustments needed.  In this case we'll
  76         # just resize the frame to fit the new needs of the sizer.
  77         self.Fit()
  78
  79
  80     def OnSetMaxHeight(self, evt):
  81         mh = self.eom.GetMaxHeight()
  82         dlg = wx.NumberEntryDialog(self, "", "Enter new max height:",
  83                                    "MaxHeight", mh, -1, 1000)
  84         if dlg.ShowModal() == wx.ID_OK:
  85             self.eom.SetMaxHeight(dlg.GetValue())
  86         dlg.Destroy()
  87
  88
  89     def OnSetFont(self, evt):
  90         dlg = wx.FontDialog(self, wx.FontData())
  91         dlg.GetFontData().SetInitialFont(self.eom.GetFont())
  92         if dlg.ShowModal() == wx.ID_OK:
  93             self.eom.SetFont(dlg.GetFontData().GetChosenFont())
  94         dlg.Destroy()
  95
  96
  97     def OnWriteText(self, evt):
  98         self.eom.WriteText("\nThis is a test...  Only a test.  If this had "
  99                            "been a real emergency you would have seen the "
 100                            "quick brown fox jump over the lazy dog.\n")
 101
 102     def OnAppendText(self, evt):
 103         self.eom.AppendText("\nAppended text.")
 104
 105     def OnSetValue(self, evt):
 106         self.eom.SetValue("A new value.")
 107
 108     def OnGetValue(self, evt):
 109         self.log.write("-----------------\n" + self.eom.GetValue())
 110
 111     def OnOtherBtn(self, evt):
 112         # just for testing...
 113         #print self.eom.numLines,
 114         self.eom._adjustCtrl()
 115         #print self.eom.numLines
 116
 117 #----------------------------------------------------------------------
 118
 119 class TestPanel(wx.Panel):
 120     def __init__(self, parent, log):
 121         self.log = log
 122         wx.Panel.__init__(self, parent, -1)
 123
 124         b = wx.Button(self, -1, " Test ExpandoTextCtrl ", (50,50))
 125         self.Bind(wx.EVT_BUTTON, self.OnButton, b)
 126
 127
 128     def OnButton(self, evt):
 129         self.win = TestFrame(self, self.log)
 130         self.win.Show(True)
 131
 132
 133 #----------------------------------------------------------------------
 134
 135 def runTest(frame, nb, log):
 136     win = TestPanel(nb, log)
 137     return win
 138
 139 #----------------------------------------------------------------------
 140
 141
 142
 143 overview = """<html><body>
 144 <h2><center>ExpandoTextCtrl</center></h2>
 145
 146 The ExpandoTextCtrl is a multi-line wx.TextCtrl that will
 147 adjust its height on the fly as needed to accomodate the number of
 148 lines needed to display the current content of the control.  It is
 149 assumed that the width of the control will be a fixed value and
 150 that only the height will be adjusted automatically.  If the
 151 control is used in a sizer then the width should be set as part of
 152 the initial or min size of the control.
 153
 154 </body></html>
 155 """
 156
 157
 158
 159 if __name__ == '__main__':
 160     import sys,os
 161     import run
 162     run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])
 163