Mercurial > fife-parpg

annotate engine/extensions/pychan/widgets/containers.py @ 335:162662bf5c8a

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PyChan fixes: * Fixed stupidity.
author phoku@33b003aa-7bff-0310-803a-e67f0ece8222
date Mon, 24 Aug 2009 14:53:17 +0000
parents 48c99636453e
children dfd48d49c044
rev   line source
331
48c99636453e Added Licence header to all pypthon modules in extension/
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 255
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1 #!/usr/bin/env python
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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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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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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6 # http://www.fifengine.de
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7 # This file is part of FIFE.
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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8 #
48c99636453e Added Licence header to all pypthon modules in extension/
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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9 # FIFE is free software; you can redistribute it and/or
48c99636453e Added Licence header to all pypthon modules in extension/
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 255
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10 # modify it under the terms of the GNU Lesser General Public
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 255
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11 # License as published by the Free Software Foundation; either
48c99636453e Added Licence header to all pypthon modules in extension/
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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12 # version 2.1 of the License, or (at your option) any later version.
48c99636453e Added Licence header to all pypthon modules in extension/
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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13 #
48c99636453e Added Licence header to all pypthon modules in extension/
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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14 # This library is distributed in the hope that it will be useful,
48c99636453e Added Licence header to all pypthon modules in extension/
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 255
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15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
48c99636453e Added Licence header to all pypthon modules in extension/
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 255
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16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
48c99636453e Added Licence header to all pypthon modules in extension/
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 255
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17 # Lesser General Public License for more details.
48c99636453e Added Licence header to all pypthon modules in extension/
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 255
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18 #
48c99636453e Added Licence header to all pypthon modules in extension/
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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19 # You should have received a copy of the GNU Lesser General Public
48c99636453e Added Licence header to all pypthon modules in extension/
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 255
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20 # License along with this library; if not, write to the
48c99636453e Added Licence header to all pypthon modules in extension/
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 255
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21 # Free Software Foundation, Inc.,
48c99636453e Added Licence header to all pypthon modules in extension/
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 255
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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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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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25 from common import *
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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26 from widget import Widget
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1cc51d145af9 Further split up the containers.py; bugfix.
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27 from layout import VBoxLayoutMixin, HBoxLayoutMixin
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28
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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29 class Container(Widget):
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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30 """
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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31 This is the basic container class. It provides space in which child widgets can
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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32 be position via the position attribute. If you want to use the layout engine,
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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33 you have to use derived containers with vertical or horizontal orientation
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34 (L{VBox} or L{HBox})
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35
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36 New Attributes
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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37 ==============
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38
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39 - padding - Integer: Not used in the Container class istelf, distance between child widgets.
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40 - background_image - Set this to a GuiImage or a resource location (simply a filename).
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41 The image will be tiled over the background area.
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42 - opaque - Boolean: Whether the background should be drawn at all. Set this to False
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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43 to make the widget transparent.
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44 - children - Just contains the list of contained child widgets. Do NOT modify.
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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45 """
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46
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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47 ATTRIBUTES = Widget.ATTRIBUTES + [ IntAttr('padding'), Attr('background_image'), BoolAttr('opaque'),PointAttr('margins') ]
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48
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49 def __init__(self,padding=5,margins=(5,5),_real_widget=None, **kwargs):
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50 self.real_widget = _real_widget or fife.Container()
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51 self.children = []
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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52 self.margins = margins
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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53 self.padding = padding
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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54 self._background = []
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55 self._background_image = None
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56 super(Container,self).__init__(**kwargs)
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57
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58 def addChild(self, widget):
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59 widget.parent = self
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60 self.children.append(widget)
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61 self.real_widget.add(widget.real_widget)
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62
255
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63 def insertChild(self, widget, position):
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64 if position > len(self.children) or 0-position > len(self.children):
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65 print "insertChild: Warning: Index overflow.",
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66 if position >= 0:
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67 self.addChild(widget)
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68 else:
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69 self.insertChild(widget, 0)
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cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
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70 return
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71
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72 children = self.children[0:position]+[widget]+self.children[position:]
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73 #assert len(children) == len(self.children) + 1
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74 self.removeAllChildren()
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cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
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75 for child in children:
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cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
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76 self.addChild(child)
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77
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78 def insertChildBefore(self, widget, before):
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79 if before not in self.children:
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cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
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80 raise RuntimeError("Couldn't find widget %s as child of %s - in insertChildBefore" % (str(widget),str(before)))
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81 self.insertChild(widget, self.children.index(before))
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82
248
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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83 def removeChild(self,widget):
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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84 if not widget in self.children:
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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85 raise RuntimeError("%s does not have %s as direct child widget." % (str(self),str(widget)))
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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86 self.children.remove(widget)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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87 self.real_widget.remove(widget.real_widget)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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88 widget.parent = None
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89
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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90 def add(self,*widgets):
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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91 print "PyChan: Deprecation warning: Please use 'addChild' or 'addChildren' instead."
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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92 self.addChildren(*widgets)
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93
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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94 def getMaxChildrenWidth(self):
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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95 if not self.children: return 0
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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96 return max(widget.width for widget in self.children)
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97
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98 def getMaxChildrenHeight(self):
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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99 if not self.children: return 0
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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100 return max(widget.height for widget in self.children)
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101
255
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102 def deepApply(self,visitorFunc, leaves_first = True):
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103 if leaves_first:
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104 for child in self.children:
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105 child.deepApply(visitorFunc, leaves_first = leaves_first)
248
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106 visitorFunc(self)
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107 if not leaves_first:
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108 for child in self.children:
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109 child.deepApply(visitorFunc, leaves_first = leaves_first)
248
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110
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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111 def beforeShow(self):
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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112 self._resetTiling()
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113
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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114 def _resetTiling(self):
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115 image = self._background_image
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116 if image is None:
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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117 return
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118
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119 back_w,back_h = self.width, self.height
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120 image_w, image_h = image.getWidth(), image.getHeight()
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121
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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122 map(self.real_widget.remove,self._background)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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123
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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124 # Now tile the background over the widget
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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125 self._background = []
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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126 icon = fife.Icon(image)
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127 x, w = 0, image_w
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128 while x < back_w:
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129 y, h = 0, image_h
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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130 while y < self.height:
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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131 icon = fife.Icon(image)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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132 icon.setPosition(x,y)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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133 self._background.append(icon)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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134 y += h
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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135 x += w
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136 map(self.real_widget.add,self._background)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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137 for tile in self._background:
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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138 tile.requestMoveToBottom()
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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139
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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140 def setBackgroundImage(self,image):
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141 self._background = getattr(self,'_background',None)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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142 if image is None:
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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143 self._background_image = image
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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144 map(self.real_widget.remove,self._background)
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145 self._background = []
255
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diff changeset
146 return
248
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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147 # Background generation is done in _resetTiling
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148
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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149 if not isinstance(image, fife.GuiImage):
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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150 image = get_manager().loadImage(image)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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151 self._background_image = image
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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152
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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153 def getBackgroundImage(self): return self._background_image
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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154 background_image = property(getBackgroundImage,setBackgroundImage)
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155
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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156 def _setOpaque(self,opaque): self.real_widget.setOpaque(opaque)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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157 def _getOpaque(self): return self.real_widget.isOpaque()
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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158 opaque = property(_getOpaque,_setOpaque)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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159
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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160 class VBox(VBoxLayoutMixin,Container):
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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161 """
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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162 A vertically aligned box - for containement of child widgets.
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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163
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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164 Widgets added to this container widget, will layout on top of each other.
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165 Also the minimal width of the container will be the maximum of the minimal
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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166 widths of the contained widgets.
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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167
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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168 The default alignment is to the top. This can be changed by adding a Spacer
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169 to the widget at any point (but only one!). The spacer will expand, so that
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170 widgets above the spacer are aligned to the top, while widgets below the spacer
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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171 are aligned to the bottom.
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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172 """
255
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173 DEFAULT_HEXPAND = 0
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diff changeset
174 DEFAULT_VEXPAND = 1
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diff changeset
175
248
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176 def __init__(self,padding=5,**kwargs):
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177 super(VBox,self).__init__(**kwargs)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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178 self.padding = padding
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179
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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180
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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181 class HBox(HBoxLayoutMixin,Container):
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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182 """
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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183 A horizontally aligned box - for containement of child widgets.
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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184
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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185 Please see L{VBox} for details - just change the directions :-).
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186 """
255
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187 DEFAULT_HEXPAND = 1
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diff changeset
188 DEFAULT_VEXPAND = 0
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diff changeset
189
248
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190 def __init__(self,padding=5,**kwargs):
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191 super(HBox,self).__init__(**kwargs)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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192 self.padding = padding
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193
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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194 class Window(VBoxLayoutMixin,Container):
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195 """
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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196 A L{VBox} with a draggable title bar aka a window
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197
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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198 New Attributes
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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199 ==============
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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200
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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201 - title: The Caption of the window
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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202 - titlebar_height: The height of the window title bar
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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203 """
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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204
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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205 ATTRIBUTES = Container.ATTRIBUTES + [ UnicodeAttr('title'), IntAttr('titlebar_height') ]
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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206
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
207 def __init__(self,title=u"title",titlebar_height=0,**kwargs):
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208 super(Window,self).__init__(_real_widget = fife.Window(), **kwargs)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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209 if titlebar_height == 0:
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
210 titlebar_height = self.real_font.getHeight() + 4
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211 self.titlebar_height = titlebar_height
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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212 self.title = title
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
213
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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214 # Override explicit positioning
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
215 self.position_technique = "automatic"
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216
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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217
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
218 def _getTitle(self): return gui2text(self.real_widget.getCaption())
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219 def _setTitle(self,text): self.real_widget.setCaption(text2gui(text))
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diff changeset
220 title = property(_getTitle,_setTitle)
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221
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
222 def _getTitleBarHeight(self): return self.real_widget.getTitleBarHeight()
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diff changeset
223 def _setTitleBarHeight(self,h): self.real_widget.setTitleBarHeight(h)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
224 titlebar_height = property(_getTitleBarHeight,_setTitleBarHeight)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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225
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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226 # Hackish way of hiding that title bar height in the perceived height.
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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227 # Fixes VBox calculation
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
228 def _setHeight(self,h):
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
229 h = max(self.min_size[1],h)
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230 h = min(self.max_size[1],h)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
231 self.real_widget.setHeight(h + self.titlebar_height)
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232 def _getHeight(self): return self.real_widget.getHeight() - self.titlebar_height
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diff changeset
233 height = property(_getHeight,_setHeight)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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234