Source Code for Module teamwork.widgets.htmlViewer.tkinit

  1  ## vim:ts=4:et:nowrap 
  2  ## 
  3  ##---------------------------------------------------------------------------## 
  4  ## 
  5  ## PySol -- a Python Solitaire game 
  6  ## 
  7  ## Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer 
  8  ## Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer 
  9  ## Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer 
 10  ## Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer 
 11  ## Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer 
 12  ## Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer 
 13  ## All Rights Reserved. 
 14  ## 
 15  ## This program is free software; you can redistribute it and/or modify 
 16  ## it under the terms of the GNU General Public License as published by 
 17  ## the Free Software Foundation; either version 2 of the License, or 
 18  ## (at your option) any later version. 
 19  ## 
 20  ## This program is distributed in the hope that it will be useful, 
 21  ## but WITHOUT ANY WARRANTY; without even the implied warranty of 
 22  ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
 23  ## GNU General Public License for more details. 
 24  ## 
 25  ## You should have received a copy of the GNU General Public License 
 26  ## along with this program; see the file COPYING. 
 27  ## If not, write to the Free Software Foundation, Inc., 
 28  ## 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 
 29  ## 
 30  ## Markus F.X.J. Oberhumer 
 31  ## <markus@oberhumer.com> 
 32  ## http://www.oberhumer.com/pysol 
 33  ## 
 34  ##---------------------------------------------------------------------------## 
 35   
 36   
 37  # imports 
 38  import os, sys, string, types 
 39  import Tkinter, Canvas 
 40   
 41   
 42  # /*********************************************************************** 
 43  # // patch lib-tk/Tkinter.py 
 44  # ************************************************************************/ 
 45   
 46  # ignore self.tk.deletecommand() failures in Misc.destroy, or else the 
 47  # destruction of a (withdrawn & transient) toplevel may fail somewhere 
 48  # in the middle, possibly making Tk hang under Windows 
 49 -def Misc__destroy(self): 
 50      if self._tclCommands is not None: 
 51          for name in self._tclCommands: 
 52              try: 
 53                  self.tk.deletecommand(name) 
 54                  #print '- Tkinter: deleted command', name 
 55              except: 
 56                  pass 
 57          self._tclCommands = None 
 58   
 59  # fix Python 1.5.2 _tagcommands bug 
 60 -def Canvas__tag_bind(self, tagOrId, sequence=None, func=None, add=None): 
 61      return self._bind((self._w, "bind", tagOrId), sequence, func, add) 
 62   
 63  # 
 64 -def Canvas__xview(self, *args): 
 65      if not args: 
 66          return self._getdoubles(self.tk.call(self._w, 'xview')) 
 67      if args[0] == "moveto": 
 68          return self.xview_moveto(float(args[1])) 
 69      elif args[0] == "scroll": 
 70          return self.xview_scroll(int(args[1]), args[2]) 
 71 -def Canvas__xview_moveto(self, fraction): 
 72      fraction = max(fraction, 0.0) 
 73      return self.tk.call(self._w, 'xview', 'moveto', fraction) 
 74 -def Canvas__xview_scroll(self, number, what): 
 75      if number < 0: 
 76          v = self._getdoubles(self.tk.call(self._w, 'xview')) 
 77          if v[0] <= 0.0001: 
 78              return 
 79      return self.tk.call(self._w, 'xview', 'scroll', number, what) 
 80 -def Canvas__yview(self, *args): 
 81      if not args: 
 82          return self._getdoubles(self.tk.call(self._w, 'yview')) 
 83      if args[0] == "moveto": 
 84          return self.yview_moveto(float(args[1])) 
 85      elif args[0] == "scroll": 
 86          return self.yview_scroll(int(args[1]), args[2]) 
 87 -def Canvas__yview_moveto(self, fraction): 
 88      fraction = max(fraction, 0.0) 
 89      return self.tk.call(self._w, 'yview', 'moveto', fraction) 
 90 -def Canvas__yview_scroll(self, number, what): 
 91      if number < 0: 
 92          v = self._getdoubles(self.tk.call(self._w, 'yview')) 
 93          if v[0] <= 0.0001: 
 94              return 
 95      return self.tk.call(self._w, 'yview', 'scroll', number, what) 
 96   
 97  # fix missing "newstate" parm 
 98 -def Wm__wm_state(self, newstate=None): 
 99      return self.tk.call('wm', 'state', self._w, newstate) 
100   
101  # these are missing in class Text (probably some others as well) 
102 -def Text__xview_moveto(self, fraction): 
103      return self.tk.call(self._w, "xview", "moveto", fraction) 
104 -def Text__xview_scroll(self, number, what): 
105      return self.tk.call(self._w, "xview", "scroll", number, what) 
106 -def Text__yview_moveto(self, fraction): 
107      return self.tk.call(self._w, "yview", "moveto", fraction) 
108 -def Text__yview_scroll(self, number, what): 
109      return self.tk.call(self._w, "yview", "scroll", number, what) 
110   
111   
112  Tkinter.Misc.destroy = Misc__destroy 
113  Tkinter.Canvas.tag_bind = Canvas__tag_bind 
114  Tkinter.Canvas.xview = Canvas__xview 
115  Tkinter.Canvas.xview_moveto = Canvas__xview_moveto 
116  Tkinter.Canvas.xview_scroll = Canvas__xview_scroll 
117  Tkinter.Canvas.yview = Canvas__yview 
118  Tkinter.Canvas.yview_moveto = Canvas__yview_moveto 
119  Tkinter.Canvas.yview_scroll = Canvas__yview_scroll 
120  Tkinter.Wm.wm_state = Wm__wm_state 
121  Tkinter.Wm.state = Wm__wm_state                 # obsolete 
122  Tkinter.Text.xview_moveto = Text__xview_moveto 
123  Tkinter.Text.xview_scroll = Text__xview_scroll 
124  Tkinter.Text.yview_moveto = Text__yview_moveto 
125  Tkinter.Text.yview_scroll = Text__yview_scroll 
126   
127   
128  # /*********************************************************************** 
129  # // patch lib-tk/Canvas.py 
130  # ************************************************************************/ 
131   
132  # fix inconsistent bbox() return value 
133 -def CanvasItem__bbox(self): 
134      return self.canvas.bbox(self.id) 
135 -def Group__bbox(self): 
136      return self.canvas.bbox(self.id) 
137   
138  # fix missing "add" parm 
139 -def CanvasItem__bind(self, sequence=None, command=None, add=None): 
140      return self.canvas.tag_bind(self.id, sequence, command, add) 
141 -def Group__bind(self, sequence=None, command=None, add=None): 
142      return self.canvas.tag_bind(self.id, sequence, command, add) 
143   
144  # fix missing "funcid" parm 
145 -def CanvasItem__unbind(self, sequence, funcid=None): 
146      return self.canvas.tag_unbind(self.id, sequence, funcid) 
147 -def Group__unbind(self, sequence, funcid=None): 
148      return self.canvas.tag_unbind(self.id, sequence, funcid) 
149   
150  # call tag_raise / tag_lower 
151 -def CanvasItem__tkraise(self, abovethis=None): 
152      return self.canvas.tag_raise(self.id, abovethis) 
153 -def CanvasItem__lower(self, belowthis=None): 
154      return self.canvas.tag_lower(self.id, belowthis) 
155 -def Group__tkraise(self, abovethis=None): 
156      return self.canvas.tag_raise(self.id, abovethis) 
157 -def Group__lower(self, belowthis=None): 
158      return self.canvas.tag_lower(self.id, belowthis) 
159   
160   
161  # other problems in Canvas.Group: 
162  #   - inconsistent usage of self.id and self.tag 
163  #   - calls the obsolete Tkinter.Canvas._do method 
164   
165   
166  Canvas.CanvasItem.bbox = CanvasItem__bbox 
167  Canvas.Group.bbox = Group__bbox 
168  Canvas.CanvasItem.bind = CanvasItem__bind 
169  Canvas.Group.bind = Group__bind 
170  Canvas.CanvasItem.unbind = CanvasItem__unbind 
171  Canvas.Group.unbind = Group__unbind 
172  Canvas.CanvasItem.tkraise = CanvasItem__tkraise 
173  Canvas.CanvasItem.lower = CanvasItem__lower 
174  Canvas.Group.tkraise = Group__tkraise 
175  Canvas.Group.lower = Group__lower 
176   
177   
178  # /*********************************************************************** 
179  # // PySol extra patches 
180  # ************************************************************************/ 
181   
182  # do not catch any exceptions in a Tkinter callback 
183 -def CallWrapper____call__(self, *args): 
184      if self.subst: 
185          args = apply(self.subst, args) 
186      return apply(self.func, args) 
187   
188  Tkinter.CallWrapper.__call__ = CallWrapper____call__ 
189