Mercurial > fife-parpg

comparison engine/python/fife/extensions/pychan/widgets/scrollarea.py @ 378:64738befdf3b

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bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
author vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
date Mon, 11 Jan 2010 23:34:52 +0000
parents
children 637384c8de04
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377:fe6fb0e0ed23 378:64738befdf3b
1 # -*- coding: utf-8 -*-
2
3 # ####################################################################
4 # Copyright (C) 2005-2009 by the FIFE team
5 # http://www.fifengine.de
6 # This file is part of FIFE.
7 #
8 # FIFE is free software; you can redistribute it and/or
9 # modify it under the terms of the GNU Lesser General Public
10 # License as published by the Free Software Foundation; either
11 # version 2.1 of the License, or (at your option) any later version.
12 #
13 # This library is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 # Lesser General Public License for more details.
17 #
18 # You should have received a copy of the GNU Lesser General Public
19 # License along with this library; if not, write to the
20 # Free Software Foundation, Inc.,
21 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 # ####################################################################
23
24 from common import *
25 from widget import Widget
26
27 class ScrollArea(Widget):
28 """
29 A wrapper around another (content) widget.
30
31 New Attributes
32 ==============
33
34 - content: The wrapped widget.
35 - vertical_scrollbar: Boolean: Set this to False to hide the Vertical scrollbar
36 - horizontal_scrollbar: Boolean: Set this to False to hide the Horizontal scrollbar
37
38 """
39
40 ATTRIBUTES = Widget.ATTRIBUTES + [ BoolAttr("vertical_scrollbar"),BoolAttr("horizontal_scrollbar") ]
41 DEFAULT_HEXPAND = 1
42 DEFAULT_VEXPAND = 1
43
44 def __init__(self,**kwargs):
45 self.real_widget = fife.ScrollArea()
46 self._content = None
47 super(ScrollArea,self).__init__(**kwargs)
48
49 def addChild(self,widget):
50 self.content = widget
51 widget.parent = self
52
53 def removeChild(self,widget):
54 if self._content != widget:
55 raise RuntimeError("%s does not have %s as direct child widget." % (str(self),str(widget)))
56 self.content = None
57 widget.parent = None
58
59 def _setContent(self,content):
60 if content is None:
61 self.real_widget.setContent(content)
62 else:
63 self.real_widget.setContent(content.real_widget)
64 self._content = content
65 def _getContent(self): return self._content
66 content = property(_getContent,_setContent)
67
68 def deepApply(self,visitorFunc, leaves_first = True):
69 if leaves_first:
70 if self._content: self._content.deepApply(visitorFunc, leaves_first = leaves_first)
71 visitorFunc(self)
72 if not leaves_first:
73 if self._content: self._content.deepApply(visitorFunc, leaves_first = leaves_first)
74
75 def resizeToContent(self,recurse=True):
76 if self._content is None: return
77 if recurse:
78 self.content.resizeToContent(recurse=recurse)
79 self.size = self.min_size
80
81 def _visibilityToScrollPolicy(self,visibility):
82 if visibility:
83 return fife.ScrollArea.SHOW_AUTO
84 return fife.ScrollArea.SHOW_NEVER
85
86 def _scrollPolicyToVisibility(self,policy):
87 if policy == fife.ScrollArea.SHOW_NEVER:
88 return False
89 return True
90
91 def _setHorizontalScrollbar(self,visibility):
92 self.real_widget.setHorizontalScrollPolicy( self._visibilityToScrollPolicy(visibility) )
93
94 def _setVerticalScrollbar(self,visibility):
95 self.real_widget.setVerticalScrollPolicy( self._visibilityToScrollPolicy(visibility) )
96
97 def _getHorizontalScrollbar(self):
98 return self._scrollPolicyToVisibility( self.real_widget.getHorizontalScrollPolicy() )
99
100 def _getVerticalScrollbar(self):
101 return self._scrollPolicyToVisibility( self.real_widget.getVerticalScrollPolicy() )
102
103 def sizeChanged(self):
104 if self.content:
105 self.content.width = max(self.content.width,self.width-5)
106 self.content.height = max(self.content.height,self.height-5)
107
108 vertical_scrollbar = property(_getVerticalScrollbar,_setVerticalScrollbar)
109 horizontal_scrollbar = property(_getHorizontalScrollbar,_setHorizontalScrollbar)