wxPython/samples/wxPIA_book/Chapter-08/splitter.py

   1 import wx
   2
   3 class SplitterExampleFrame(wx.Frame):
   4     def __init__(self, parent, title):
   5         wx.Frame.__init__(self, parent, title=title)
   6         self.MakeMenuBar()
   7         self.minpane = 0
   8         self.initpos = 0
   9         self.sp = wx.SplitterWindow(self)
  10         self.p1 = wx.Panel(self.sp, style=wx.SUNKEN_BORDER)
  11         self.p2 = wx.Panel(self.sp, style=wx.SUNKEN_BORDER)
  12         self.p1.SetBackgroundColour("pink")
  13         self.p2.SetBackgroundColour("sky blue")
  14         self.p1.Hide()
  15         self.p2.Hide()
  16
  17         self.sp.Initialize(self.p1)
  18
  19         self.Bind(wx.EVT_SPLITTER_SASH_POS_CHANGING,
  20                   self.OnSashChanging, self.sp)
  21         self.Bind(wx.EVT_SPLITTER_SASH_POS_CHANGED,
  22                   self.OnSashChanged, self.sp)
  23
  24
  25     def MakeMenuBar(self):
  26         menu = wx.Menu()
  27         item = menu.Append(-1, "Split horizontally")
  28         self.Bind(wx.EVT_MENU, self.OnSplitH, item)
  29         self.Bind(wx.EVT_UPDATE_UI, self.OnCheckCanSplit, item)
  30         item = menu.Append(-1, "Split vertically")
  31         self.Bind(wx.EVT_MENU, self.OnSplitV, item)
  32         self.Bind(wx.EVT_UPDATE_UI, self.OnCheckCanSplit, item)
  33         item = menu.Append(-1, "Unsplit")
  34         self.Bind(wx.EVT_MENU, self.OnUnsplit, item)
  35         self.Bind(wx.EVT_UPDATE_UI, self.OnCheckCanUnsplit, item)
  36
  37         menu.AppendSeparator()
  38         item = menu.Append(-1, "Set initial sash position")
  39         self.Bind(wx.EVT_MENU, self.OnSetPos, item)
  40         item = menu.Append(-1, "Set minimum pane size")
  41         self.Bind(wx.EVT_MENU, self.OnSetMin, item)
  42
  43         menu.AppendSeparator()
  44         item = menu.Append(wx.ID_EXIT, "E&xit")
  45         self.Bind(wx.EVT_MENU, self.OnExit, item)
  46
  47         mbar = wx.MenuBar()
  48         mbar.Append(menu, "Splitter")
  49         self.SetMenuBar(mbar)
  50
  51
  52     def OnSashChanging(self, evt):
  53         print "OnSashChanging:", evt.GetSashPosition()
  54
  55     def OnSashChanged(self, evt):
  56         print "OnSashChanged:", evt.GetSashPosition()
  57
  58
  59     def OnSplitH(self, evt):
  60         self.sp.SplitHorizontally(self.p1, self.p2, self.initpos)
  61
  62     def OnSplitV(self, evt):
  63         self.sp.SplitVertically(self.p1, self.p2, self.initpos)
  64
  65     def OnCheckCanSplit(self, evt):
  66         evt.Enable(not self.sp.IsSplit())
  67
  68     def OnCheckCanUnsplit(self, evt):
  69         evt.Enable(self.sp.IsSplit())
  70
  71     def OnUnsplit(self, evt):
  72         self.sp.Unsplit()
  73
  74     def OnSetMin(self, evt):
  75         minpane = wx.GetNumberFromUser(
  76             "Enter the minimum pane size",
  77             "", "Minimum Pane Size", self.minpane,
  78             0, 1000, self)
  79         if minpane != -1:
  80             self.minpane = minpane
  81             self.sp.SetMinimumPaneSize(self.minpane)
  82
  83     def OnSetPos(self, evt):
  84         initpos = wx.GetNumberFromUser(
  85             "Enter the initial sash position (to be used in the Split call)",
  86             "", "Initial Sash Position", self.initpos,
  87             -1000, 1000, self)
  88         if initpos != -1:
  89             self.initpos = initpos
  90
  91
  92     def OnExit(self, evt):
  93         self.Close()
  94
  95
  96 app = wx.PySimpleApp(redirect=True)
  97 frm = SplitterExampleFrame(None, "Splitter Example")
  98 frm.SetSize((600,500))
  99 frm.Show()
 100 app.SetTopWindow(frm)
 101 app.MainLoop()