wxPython/tests/test_stepColours.py

   1 import wx
   2 import wx.lib.colourselect as cs
   3 import wx.lib.imageutils as iu
   4
   5 class TestPanel(wx.Panel):
   6     def __init__(self, *args, **kw):
   7         wx.Panel.__init__(self, *args, **kw)
   8
   9         self.colour = wx.NamedColour("purple")
  10
  11         self.cpnl = wx.Panel(self, size=(100,100), style=wx.SIMPLE_BORDER)
  12         self.slider = wx.Slider(self,
  13                                 minValue=0,
  14                                 value=100,
  15                                 maxValue=200,
  16                                 size=(300, -1),
  17                                 style=wx.SL_HORIZONTAL | wx.SL_LABELS)
  18         csel = cs.ColourSelect(self, colour=self.colour)
  19
  20         sizer = wx.BoxSizer(wx.VERTICAL)
  21         sizer.Add(self.cpnl, 0, wx.ALL, 20)
  22         sizer.Add(self.slider, 0, wx.LEFT, 20)
  23         sizer.Add(csel, 0, wx.ALL, 20)
  24         self.SetSizer(sizer)
  25
  26         self.slider.Bind(wx.EVT_SCROLL, self.OnSliderChanged)
  27         self.Bind(cs.EVT_COLOURSELECT, self.OnColourSelect)
  28
  29         self.UpdatePanel()
  30
  31
  32     def UpdatePanel(self):
  33         val = self.slider.GetValue()
  34
  35         colour = iu.stepColour(self.colour, val)
  36
  37         self.cpnl.SetBackgroundColour(colour)
  38         self.cpnl.Refresh()
  39
  40
  41     def OnSliderChanged(self, evt):
  42         self.UpdatePanel()
  43
  44
  45     def OnColourSelect(self, evt):
  46         self.colour = evt.GetValue()
  47         self.UpdatePanel()
  48
  49
  50
  51 app = wx.App()
  52 frm = wx.Frame(None, title="Stepping Colours")
  53 pnl = TestPanel(frm)
  54 frm.Show()
  55 app.MainLoop()
  56