wxPython/wx/lib/rightalign.py

   1 # -*- coding: iso-8859-1 -*-
   2 #----------------------------------------------------------------------
   3 # Name:        wxPython.lib.rightalign
   4 # Purpose:     A class derived from wxTextCtrl that aligns the text
   5 #              on the right side of the control, (except when editing.)
   6 #
   7 # Author:      Josu Oyanguren
   8 #
   9 # Created:     19-October-2001
  10 # RCS-ID:      $Id$
  11 # Copyright:   (c) 2001 by Total Control Software
  12 # Licence:     wxWindows license
  13 #----------------------------------------------------------------------
  14 # 12/11/2003 - Jeff Grimmett (grimmtooth@softhome.net)
  15 #
  16 # o 2.5 compatability update.
  17 # o Added deprecation warning.
  18 #
  19
  20 """
  21 Some time ago, I asked about how to right-align
  22 wxTextCtrls. Answer was that it is not supported. I forgot it.
  23
  24 Just a week ago, one of my clients asked me to have numbers right
  25 aligned. (Indeed it was that numbers MUST be right aligned).
  26
  27 So the game begun. Hacking, hacking, ...
  28
  29 At last, i succeed. Here is some code that someone may find
  30 useful. ubRightTextCtrl is right-aligned when you are not editing, but
  31 left-aligned if it has focus.
  32
  33 Hope this can help someone, as much as this list helps me.
  34
  35 Josu Oyanguren
  36 Ubera Servicios Informáticos.
  37
  38
  39 P.S.  This only works well on wxMSW.
  40 """
  41
  42 import  warnings
  43 import  wx
  44
  45 #----------------------------------------------------------------------
  46
  47 warningmsg = r"""\
  48
  49 ##############################################################\
  50 # THIS MODULE IS DEPRECATED                                   |
  51 #                                                             |
  52 # This control still functions, but it is deprecated because  |
  53 # wx.TextCtrl now supports the wx.TE_RIGHT style flag         |
  54 ##############################################################/
  55
  56
  57 """
  58
  59 warnings.warn(warningmsg, DeprecationWarning, stacklevel=2)
  60
  61 #----------------------------------------------------------------------
  62
  63 class wxRightTextCtrl(wx.TextCtrl):
  64     def __init__(self, parent, id, *args, **kwargs):
  65         wx.TextCtrl.__init__(self, parent, id, *args, **kwargs)
  66         self.Bind(wx.EVT_KILL_FOCUS, self.OnKillFocus)
  67         self.Bind(wx.EVT_PAINT, self.OnPaint)
  68
  69     def OnPaint(self, event):
  70         dc = wx.PaintDC(self)
  71         dc.SetFont(self.GetFont())
  72         dc.Clear()
  73         text = self.GetValue()
  74         textwidth, textheight = dc.GetTextExtent(text)
  75         dcwidth, dcheight = self.GetClientSize()
  76
  77         y = (dcheight - textheight) / 2
  78         x = dcwidth - textwidth - 2
  79
  80         if self.IsEnabled():
  81             fclr = self.GetForegroundColour()
  82         else:
  83             fclr = wx.SystemSettings_GetColour(wx.SYS_COLOUR_GRAYTEXT)
  84
  85         dc.SetTextForeground(fclr)
  86
  87         dc.SetClippingRegion(0, 0, dcwidth, dcheight)
  88         dc.DrawText(text, (x, y))
  89
  90         if x < 0:
  91             toofat = '...'
  92             markwidth = dc.GetTextExtent(toofat)[0]
  93             dc.SetPen(wx.Pen(dc.GetBackground().GetColour(), 1, wx.SOLID ))
  94             dc.DrawRectangle((0,0), (markwidth, dcheight))
  95             dc.SetPen(wx.Pen(wx.RED, 1, wx.SOLID ))
  96             dc.SetBrush(wx.TRANSPARENT_BRUSH)
  97             dc.DrawRectangle((1, 1), (dcwidth-2, dcheight-2))
  98             dc.DrawText(toofat, (1, y))
  99
 100
 101     def OnKillFocus(self, event):
 102         if not self.GetParent(): return
 103         self.Refresh()
 104         event.Skip()
 105