Mercurial > fife-parpg

annotate engine/extensions/pychan/widgets/scrollarea.py @ 334:a9482d3d989e

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PyChan fixes: * DummyImage is gone for good. * Renamed GuiImage.source annotation used in PyChan. * Fixed a bug in an error path.
author phoku@33b003aa-7bff-0310-803a-e67f0ece8222
date Mon, 24 Aug 2009 14:47:23 +0000
parents 48c99636453e
children dfd48d49c044
rev   line source
331
48c99636453e Added Licence header to all pypthon modules in extension/
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1 #!/usr/bin/env python
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2 # -*- coding: utf-8 -*-
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3
331
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4 # ####################################################################
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5 # Copyright (C) 2005-2009 by the FIFE team
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6 # http://www.fifengine.de
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7 # This file is part of FIFE.
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8 #
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9 # FIFE is free software; you can redistribute it and/or
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10 # modify it under the terms of the GNU Lesser General Public
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11 # License as published by the Free Software Foundation; either
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12 # version 2.1 of the License, or (at your option) any later version.
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13 #
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14 # This library is distributed in the hope that it will be useful,
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15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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17 # Lesser General Public License for more details.
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18 #
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19 # You should have received a copy of the GNU Lesser General Public
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20 # License along with this library; if not, write to the
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21 # Free Software Foundation, Inc.,
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22 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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23 # ####################################################################
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24
248
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25 from common import *
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26 from widget import Widget
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27
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28 class ScrollArea(Widget):
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29 """
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30 A wrapper around another (content) widget.
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31
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32 New Attributes
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33 ==============
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34
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35 - content: The wrapped widget.
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36 - vertical_scrollbar: Boolean: Set this to False to hide the Vertical scrollbar
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37 - horizontal_scrollbar: Boolean: Set this to False to hide the Horizontal scrollbar
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38
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39 """
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40
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41 ATTRIBUTES = Widget.ATTRIBUTES + [ BoolAttr("vertical_scrollbar"),BoolAttr("horizontal_scrollbar") ]
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42 DEFAULT_HEXPAND = 1
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43 DEFAULT_VEXPAND = 1
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44
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45 def __init__(self,**kwargs):
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46 self.real_widget = fife.ScrollArea()
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47 self._content = None
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48 super(ScrollArea,self).__init__(**kwargs)
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49
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50 def addChild(self,widget):
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51 self.content = widget
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52 widget.parent = self
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53
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54 def removeChild(self,widget):
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55 if self._content != widget:
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56 raise RuntimeError("%s does not have %s as direct child widget." % (str(self),str(widget)))
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57 self.content = None
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58 widget.parent = None
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59
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60 def _setContent(self,content):
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61 if content is None:
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62 self.real_widget.setContent(content)
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63 else:
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64 self.real_widget.setContent(content.real_widget)
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65 self._content = content
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66 def _getContent(self): return self._content
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67 content = property(_getContent,_setContent)
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68
255
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69 def deepApply(self,visitorFunc, leaves_first = True):
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70 if leaves_first:
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71 if self._content: self._content.deepApply(visitorFunc, leaves_first = leaves_first)
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72 visitorFunc(self)
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73 if not leaves_first:
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74 if self._content: self._content.deepApply(visitorFunc, leaves_first = leaves_first)
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75
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76 def resizeToContent(self,recurse=True):
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77 if self._content is None: return
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78 if recurse:
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79 self.content.resizeToContent(recurse=recurse)
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80 self.size = self.min_size
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81
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82 def _visibilityToScrollPolicy(self,visibility):
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83 if visibility:
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84 return fife.ScrollArea.SHOW_AUTO
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85 return fife.ScrollArea.SHOW_NEVER
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86
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87 def _scrollPolicyToVisibility(self,policy):
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88 if policy == fife.ScrollArea.SHOW_NEVER:
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89 return False
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90 return True
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91
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92 def _setHorizontalScrollbar(self,visibility):
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93 self.real_widget.setHorizontalScrollPolicy( self._visibilityToScrollPolicy(visibility) )
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94
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95 def _setVerticalScrollbar(self,visibility):
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96 self.real_widget.setVerticalScrollPolicy( self._visibilityToScrollPolicy(visibility) )
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97
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98 def _getHorizontalScrollbar(self):
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99 return self._scrollPolicyToVisibility( self.real_widget.getHorizontalScrollPolicy() )
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100
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101 def _getVerticalScrollbar(self):
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102 return self._scrollPolicyToVisibility( self.real_widget.getVerticalScrollPolicy() )
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103
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104 def sizeChanged(self):
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105 if self.content:
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106 self.content.width = max(self.content.width,self.width-5)
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107 self.content.height = max(self.content.height,self.height-5)
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108
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109 vertical_scrollbar = property(_getVerticalScrollbar,_setVerticalScrollbar)
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110 horizontal_scrollbar = property(_getHorizontalScrollbar,_setHorizontalScrollbar)