wxPython/wx/lib/analogclock/lib_setup/colourselect.py

   1 # AnalogClock's colour selector for setup dialog
   2 #   E. A. Tacao <e.a.tacao |at| estadao.com.br>
   3 #   http://j.domaindlx.com/elements28/wxpython/
   4 #   15 Fev 2006, 22:00 GMT-03:00
   5 # Distributed under the wxWidgets license.
   6
   7 import wx
   8 from wx.lib.newevent import NewEvent
   9 from wx.lib.buttons import GenBitmapButton
  10
  11 #----------------------------------------------------------------------------
  12
  13 (ColourSelectEvent, EVT_COLOURSELECT) = NewEvent()
  14
  15 #----------------------------------------------------------------------------
  16
  17 class ColourSelect(GenBitmapButton):
  18     def __init__(self, parent, size=(21, 21), value=wx.BLACK):
  19         w, h = size[0] - 5, size[1] - 5
  20         GenBitmapButton.__init__(self, parent, wx.ID_ANY, wx.EmptyBitmap(w, h),
  21                                  size=size)
  22         self.SetBezelWidth(1)
  23
  24         self.parent = parent
  25         self.SetValue(value)
  26
  27         self.parent.Bind(wx.EVT_BUTTON, self.OnClick, self)
  28
  29
  30     def _makeBitmap(self):
  31         bdr = 8; w, h = self.GetSize()
  32         bmp = wx.EmptyBitmap(w - bdr, h - bdr)
  33
  34         dc = wx.MemoryDC()
  35         dc.SelectObject(bmp)
  36         dc.SetBackground(wx.Brush(self.value, wx.SOLID))
  37         dc.Clear()
  38         dc.SelectObject(wx.NullBitmap)
  39
  40         self.SetBitmapLabel(bmp)
  41         self.Refresh()
  42
  43
  44     def GetValue(self):
  45         return self.value
  46
  47
  48     def SetValue(self, value):
  49         self.value = value
  50         self._makeBitmap()
  51
  52
  53     def OnClick(self, event):
  54         win = wx.GetTopLevelParent(self)
  55
  56         data = wx.ColourData()
  57         data.SetChooseFull(True)
  58         data.SetColour(self.value)
  59         [data.SetCustomColour(colour_index, win.customcolours[colour_index])
  60          for colour_index in range(0, 16)]
  61
  62         dlg = wx.ColourDialog(win, data)
  63         dlg.SetTitle("Select Colour")
  64         changed = dlg.ShowModal() == wx.ID_OK
  65
  66         if changed:
  67             data = dlg.GetColourData()
  68             self.SetValue(data.GetColour())
  69             win.customcolours = [data.GetCustomColour(colour_index) \
  70                                  for colour_index in range(0, 16)]
  71         dlg.Destroy()
  72
  73         if changed:
  74             nevt = ColourSelectEvent(id=self.GetId(), obj=self, val=self.value)
  75             wx.PostEvent(self.parent, nevt)
  76
  77
  78 #
  79 ##
  80 ### eof