Mercurial > fife-parpg

annotate engine/extensions/pychan/widgets/containers.py @ 354:dfd48d49c044

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* Removed shebang and svn:executable for python files which are not meant to be executed directly * Made sure all executable files with shebang has svn:executable
author cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
date Mon, 21 Sep 2009 19:48:00 +0000
parents 48c99636453e
children
rev   line source
248
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1 # -*- coding: utf-8 -*-
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2
331
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3 # ####################################################################
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4 # Copyright (C) 2005-2009 by the FIFE team
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5 # http://www.fifengine.de
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6 # This file is part of FIFE.
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7 #
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8 # FIFE is free software; you can redistribute it and/or
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9 # modify it under the terms of the GNU Lesser General Public
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10 # License as published by the Free Software Foundation; either
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11 # version 2.1 of the License, or (at your option) any later version.
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12 #
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13 # This library is distributed in the hope that it will be useful,
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14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 # Lesser General Public License for more details.
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17 #
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18 # You should have received a copy of the GNU Lesser General Public
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19 # License along with this library; if not, write to the
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20 # Free Software Foundation, Inc.,
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21 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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22 # ####################################################################
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23
248
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24 from common import *
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25 from widget import Widget
249
1cc51d145af9 Further split up the containers.py; bugfix.
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26 from layout import VBoxLayoutMixin, HBoxLayoutMixin
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27
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28 class Container(Widget):
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29 """
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30 This is the basic container class. It provides space in which child widgets can
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31 be position via the position attribute. If you want to use the layout engine,
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32 you have to use derived containers with vertical or horizontal orientation
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33 (L{VBox} or L{HBox})
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34
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35 New Attributes
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36 ==============
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37
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38 - padding - Integer: Not used in the Container class istelf, distance between child widgets.
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39 - background_image - Set this to a GuiImage or a resource location (simply a filename).
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40 The image will be tiled over the background area.
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41 - opaque - Boolean: Whether the background should be drawn at all. Set this to False
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42 to make the widget transparent.
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43 - children - Just contains the list of contained child widgets. Do NOT modify.
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44 """
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45
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46 ATTRIBUTES = Widget.ATTRIBUTES + [ IntAttr('padding'), Attr('background_image'), BoolAttr('opaque'),PointAttr('margins') ]
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47
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48 def __init__(self,padding=5,margins=(5,5),_real_widget=None, **kwargs):
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49 self.real_widget = _real_widget or fife.Container()
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50 self.children = []
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51 self.margins = margins
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52 self.padding = padding
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53 self._background = []
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54 self._background_image = None
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55 super(Container,self).__init__(**kwargs)
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56
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57 def addChild(self, widget):
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58 widget.parent = self
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59 self.children.append(widget)
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60 self.real_widget.add(widget.real_widget)
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61
255
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62 def insertChild(self, widget, position):
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63 if position > len(self.children) or 0-position > len(self.children):
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64 print "insertChild: Warning: Index overflow.",
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65 if position >= 0:
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66 self.addChild(widget)
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67 else:
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68 self.insertChild(widget, 0)
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69 return
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70
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71 children = self.children[0:position]+[widget]+self.children[position:]
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72 #assert len(children) == len(self.children) + 1
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73 self.removeAllChildren()
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74 for child in children:
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75 self.addChild(child)
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76
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77 def insertChildBefore(self, widget, before):
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78 if before not in self.children:
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79 raise RuntimeError("Couldn't find widget %s as child of %s - in insertChildBefore" % (str(widget),str(before)))
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80 self.insertChild(widget, self.children.index(before))
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81
248
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82 def removeChild(self,widget):
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83 if not widget in self.children:
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84 raise RuntimeError("%s does not have %s as direct child widget." % (str(self),str(widget)))
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85 self.children.remove(widget)
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86 self.real_widget.remove(widget.real_widget)
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87 widget.parent = None
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88
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89 def add(self,*widgets):
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90 print "PyChan: Deprecation warning: Please use 'addChild' or 'addChildren' instead."
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91 self.addChildren(*widgets)
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92
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93 def getMaxChildrenWidth(self):
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94 if not self.children: return 0
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95 return max(widget.width for widget in self.children)
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96
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97 def getMaxChildrenHeight(self):
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98 if not self.children: return 0
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99 return max(widget.height for widget in self.children)
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100
255
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101 def deepApply(self,visitorFunc, leaves_first = True):
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102 if leaves_first:
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103 for child in self.children:
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104 child.deepApply(visitorFunc, leaves_first = leaves_first)
248
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105 visitorFunc(self)
255
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106 if not leaves_first:
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107 for child in self.children:
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108 child.deepApply(visitorFunc, leaves_first = leaves_first)
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109
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110 def beforeShow(self):
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111 self._resetTiling()
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112
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113 def _resetTiling(self):
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114 image = self._background_image
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115 if image is None:
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116 return
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117
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118 back_w,back_h = self.width, self.height
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119 image_w, image_h = image.getWidth(), image.getHeight()
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120
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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121 map(self.real_widget.remove,self._background)
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122
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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123 # Now tile the background over the widget
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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124 self._background = []
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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125 icon = fife.Icon(image)
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126 x, w = 0, image_w
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127 while x < back_w:
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128 y, h = 0, image_h
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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129 while y < self.height:
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130 icon = fife.Icon(image)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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131 icon.setPosition(x,y)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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132 self._background.append(icon)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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133 y += h
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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134 x += w
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135 map(self.real_widget.add,self._background)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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136 for tile in self._background:
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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137 tile.requestMoveToBottom()
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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138
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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139 def setBackgroundImage(self,image):
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140 self._background = getattr(self,'_background',None)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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141 if image is None:
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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142 self._background_image = image
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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143 map(self.real_widget.remove,self._background)
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144 self._background = []
255
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diff changeset
145 return
248
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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146 # Background generation is done in _resetTiling
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147
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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148 if not isinstance(image, fife.GuiImage):
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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149 image = get_manager().loadImage(image)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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150 self._background_image = image
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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151
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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152 def getBackgroundImage(self): return self._background_image
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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153 background_image = property(getBackgroundImage,setBackgroundImage)
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154
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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155 def _setOpaque(self,opaque): self.real_widget.setOpaque(opaque)
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156 def _getOpaque(self): return self.real_widget.isOpaque()
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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157 opaque = property(_getOpaque,_setOpaque)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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158
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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159 class VBox(VBoxLayoutMixin,Container):
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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160 """
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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161 A vertically aligned box - for containement of child widgets.
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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162
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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163 Widgets added to this container widget, will layout on top of each other.
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164 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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165 widths of the contained widgets.
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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166
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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167 The default alignment is to the top. This can be changed by adding a Spacer
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168 to the widget at any point (but only one!). The spacer will expand, so that
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169 widgets above the spacer are aligned to the top, while widgets below the spacer
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170 are aligned to the bottom.
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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171 """
255
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diff changeset
172 DEFAULT_HEXPAND = 0
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diff changeset
173 DEFAULT_VEXPAND = 1
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diff changeset
174
248
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diff changeset
175 def __init__(self,padding=5,**kwargs):
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176 super(VBox,self).__init__(**kwargs)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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177 self.padding = padding
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178
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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179
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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180 class HBox(HBoxLayoutMixin,Container):
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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181 """
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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182 A horizontally aligned box - for containement of child widgets.
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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183
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
184 Please see L{VBox} for details - just change the directions :-).
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185 """
255
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diff changeset
186 DEFAULT_HEXPAND = 1
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diff changeset
187 DEFAULT_VEXPAND = 0
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diff changeset
188
248
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189 def __init__(self,padding=5,**kwargs):
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190 super(HBox,self).__init__(**kwargs)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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191 self.padding = padding
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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192
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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193 class Window(VBoxLayoutMixin,Container):
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194 """
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
195 A L{VBox} with a draggable title bar aka a window
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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196
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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197 New Attributes
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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198 ==============
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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 - title: The Caption of the window
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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201 - titlebar_height: The height of the window title bar
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202 """
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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 ATTRIBUTES = Container.ATTRIBUTES + [ UnicodeAttr('title'), IntAttr('titlebar_height') ]
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205
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
206 def __init__(self,title=u"title",titlebar_height=0,**kwargs):
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diff changeset
207 super(Window,self).__init__(_real_widget = fife.Window(), **kwargs)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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208 if titlebar_height == 0:
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
209 titlebar_height = self.real_font.getHeight() + 4
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diff changeset
210 self.titlebar_height = titlebar_height
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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211 self.title = title
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
212
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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213 # Override explicit positioning
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
214 self.position_technique = "automatic"
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215
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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216
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
217 def _getTitle(self): return gui2text(self.real_widget.getCaption())
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218 def _setTitle(self,text): self.real_widget.setCaption(text2gui(text))
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diff changeset
219 title = property(_getTitle,_setTitle)
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220
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
221 def _getTitleBarHeight(self): return self.real_widget.getTitleBarHeight()
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diff changeset
222 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
223 titlebar_height = property(_getTitleBarHeight,_setTitleBarHeight)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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224
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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225 # 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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226 # Fixes VBox calculation
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
227 def _setHeight(self,h):
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
228 h = max(self.min_size[1],h)
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229 h = min(self.max_size[1],h)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
230 self.real_widget.setHeight(h + self.titlebar_height)
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231 def _getHeight(self): return self.real_widget.getHeight() - self.titlebar_height
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diff changeset
232 height = property(_getHeight,_setHeight)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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233