wxPython/wx/lib/floatcanvas/NavCanvas.py

   1 """
   2 A Panel that includes the FloatCanvas and Navigation controls
   3
   4 """
   5
   6 import wx
   7 import FloatCanvas, Resources
   8
   9
  10 class NavCanvas(wx.Panel):
  11     """
  12     NavCanvas.py
  13
  14     This is a high level window that encloses the FloatCanvas in a panel
  15     and adds a Navigation toolbar.
  16
  17     """
  18
  19     def __init__(self,
  20                    parent,
  21                    id = wx.ID_ANY,
  22                    size = wx.DefaultSize,
  23                    **kwargs): # The rest just get passed into FloatCanvas
  24         wx.Panel.__init__(self, parent, id, size=size)
  25
  26         self.BuildToolbar()
  27         ## Create the vertical sizer for the toolbar and Panel
  28         box = wx.BoxSizer(wx.VERTICAL)
  29         box.Add(self.ToolBar, 0, wx.ALL | wx.ALIGN_LEFT | wx.GROW, 4)
  30
  31         self.Canvas = FloatCanvas.FloatCanvas(self, **kwargs)
  32         box.Add(self.Canvas, 1, wx.GROW)
  33
  34         self.SetSizerAndFit(box)
  35
  36
  37         import GUIMode # here so that it doesn't get imported before wx.App()
  38         self.GUIZoomIn  =  GUIMode.GUIZoomIn(self.Canvas)
  39         self.GUIZoomOut =  GUIMode.GUIZoomOut(self.Canvas)
  40         self.GUIMove    =  GUIMode.GUIMove(self.Canvas)
  41         self.GUIMouse   =  GUIMode.GUIMouse(self.Canvas)
  42
  43         # default to Mouse mode
  44         self.ToolBar.ToggleTool(self.PointerTool.GetId(), True)
  45         self.Canvas.SetMode(self.GUIMouse)
  46
  47         return None
  48
  49     def BuildToolbar(self):
  50         tb = wx.ToolBar(self)
  51         self.ToolBar = tb
  52         tb.SetToolBitmapSize((24,24))
  53
  54         self.PointerTool = tb.AddRadioTool(wx.ID_ANY, bitmap=Resources.getPointerBitmap(), shortHelp = "Pointer")
  55         self.Bind(wx.EVT_TOOL, lambda evt : self.SetMode(Mode=self.GUIMouse), self.PointerTool)
  56
  57         self.ZoomInTool = tb.AddRadioTool(wx.ID_ANY, bitmap=Resources.getMagPlusBitmap(), shortHelp = "Zoom In")
  58         self.Bind(wx.EVT_TOOL, lambda evt : self.SetMode(Mode=self.GUIZoomIn), self.ZoomInTool)
  59
  60         self.ZoomOutTool = tb.AddRadioTool(wx.ID_ANY, bitmap=Resources.getMagMinusBitmap(), shortHelp = "Zoom Out")
  61         self.Bind(wx.EVT_TOOL, lambda evt : self.SetMode(Mode=self.GUIZoomOut), self.ZoomOutTool)
  62
  63         self.MoveTool = tb.AddRadioTool(wx.ID_ANY, bitmap=Resources.getHandBitmap(), shortHelp = "Move")
  64         self.Bind(wx.EVT_TOOL, lambda evt : self.SetMode(Mode=self.GUIMove), self.MoveTool)
  65
  66         tb.AddSeparator()
  67
  68         self.ZoomButton = wx.Button(tb, label="Zoom To Fit")
  69         tb.AddControl(self.ZoomButton)
  70         self.ZoomButton.Bind(wx.EVT_BUTTON, self.ZoomToFit)
  71
  72         tb.Realize()
  73         ## fixme: remove this when the bug is fixed!
  74         wx.CallAfter(self.HideShowHack) # this required on wxPython 2.8.3 on OS-X
  75
  76         return tb
  77
  78     def HideShowHack(self):
  79         ##fixme: remove this when the bug is fixed!
  80         """
  81         Hack to hide and show button on toolbar to get around OS-X bug on
  82         wxPython2.8 on OS-X
  83         """
  84         self.ZoomButton.Hide()
  85         self.ZoomButton.Show()
  86
  87     def SetMode(self, Mode):
  88         self.Canvas.SetMode(Mode)
  89
  90     def ZoomToFit(self,Event):
  91         self.Canvas.ZoomToBB()
  92         self.Canvas.SetFocus() # Otherwise the focus stays on the Button, and wheel events are lost.
  93