Mercurial > fife-parpg

annotate engine/extensions/pychan/widgets/containers.py @ 283:cad19fe699ee

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Screenshot function for editor
author cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
date Wed, 17 Jun 2009 02:39:01 +0000
parents 51cc05d862f2
children 48c99636453e
rev   line source
248
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
1 # -*- coding: utf-8 -*-
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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2
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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3 from common import *
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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4 from widget import Widget
249
1cc51d145af9 Further split up the containers.py; bugfix.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 248
diff changeset
5 from layout import VBoxLayoutMixin, HBoxLayoutMixin
248
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6
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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7 class Container(Widget):
a2d5e2721489 widgets.py split up.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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8 """
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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9 This is the basic container class. It provides space in which child widgets can
a2d5e2721489 widgets.py split up.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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10 be position via the position attribute. If you want to use the layout engine,
a2d5e2721489 widgets.py split up.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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11 you have to use derived containers with vertical or horizontal orientation
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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12 (L{VBox} or L{HBox})
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13
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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14 New Attributes
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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15 ==============
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16
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17 - padding - Integer: Not used in the Container class istelf, distance between child widgets.
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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18 - background_image - Set this to a GuiImage or a resource location (simply a filename).
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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19 The image will be tiled over the background area.
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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20 - 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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21 to make the widget transparent.
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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22 - 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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23 """
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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24
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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25 ATTRIBUTES = Widget.ATTRIBUTES + [ IntAttr('padding'), Attr('background_image'), BoolAttr('opaque'),PointAttr('margins') ]
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26
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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27 def __init__(self,padding=5,margins=(5,5),_real_widget=None, **kwargs):
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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28 self.real_widget = _real_widget or fife.Container()
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29 self.children = []
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30 self.margins = margins
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31 self.padding = padding
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32 self._background = []
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33 self._background_image = None
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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34 super(Container,self).__init__(**kwargs)
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35
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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36 def addChild(self, widget):
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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37 widget.parent = self
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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38 self.children.append(widget)
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39 self.real_widget.add(widget.real_widget)
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40
255
51cc05d862f2 Merged editor_rewrite branch to trunk.
cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
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41 def insertChild(self, widget, position):
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cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
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42 if position > len(self.children) or 0-position > len(self.children):
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cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 249
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43 print "insertChild: Warning: Index overflow.",
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cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
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44 if position >= 0:
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cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 249
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45 self.addChild(widget)
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cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
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46 else:
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cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
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47 self.insertChild(widget, 0)
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cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 249
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48 return
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cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
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49
51cc05d862f2 Merged editor_rewrite branch to trunk.
cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 249
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50 children = self.children[0:position]+[widget]+self.children[position:]
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cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
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51 #assert len(children) == len(self.children) + 1
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cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
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52 self.removeAllChildren()
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cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 249
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53 for child in children:
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cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 249
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54 self.addChild(child)
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cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
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55
51cc05d862f2 Merged editor_rewrite branch to trunk.
cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
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56 def insertChildBefore(self, widget, before):
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cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
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57 if before not in self.children:
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cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 249
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58 raise RuntimeError("Couldn't find widget %s as child of %s - in insertChildBefore" % (str(widget),str(before)))
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cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 249
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59 self.insertChild(widget, self.children.index(before))
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cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
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60
248
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61 def removeChild(self,widget):
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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62 if not widget in self.children:
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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63 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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64 self.children.remove(widget)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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65 self.real_widget.remove(widget.real_widget)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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66 widget.parent = None
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67
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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68 def add(self,*widgets):
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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69 print "PyChan: Deprecation warning: Please use 'addChild' or 'addChildren' instead."
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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70 self.addChildren(*widgets)
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71
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72 def getMaxChildrenWidth(self):
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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73 if not self.children: return 0
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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74 return max(widget.width for widget in self.children)
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75
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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76 def getMaxChildrenHeight(self):
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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77 if not self.children: return 0
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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78 return max(widget.height for widget in self.children)
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79
255
51cc05d862f2 Merged editor_rewrite branch to trunk.
cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 249
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80 def deepApply(self,visitorFunc, leaves_first = True):
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cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 249
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81 if leaves_first:
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cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 249
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82 for child in self.children:
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cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 249
diff changeset
83 child.deepApply(visitorFunc, leaves_first = leaves_first)
248
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84 visitorFunc(self)
255
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cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 249
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85 if not leaves_first:
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cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 249
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86 for child in self.children:
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cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 249
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87 child.deepApply(visitorFunc, leaves_first = leaves_first)
248
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88
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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89 def beforeShow(self):
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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90 self._resetTiling()
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91
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92 def _resetTiling(self):
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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93 image = self._background_image
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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94 if image is None:
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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95 return
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96
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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97 back_w,back_h = self.width, self.height
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98 image_w, image_h = image.getWidth(), image.getHeight()
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99
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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100 map(self.real_widget.remove,self._background)
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101
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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102 # Now tile the background over the widget
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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103 self._background = []
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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104 icon = fife.Icon(image)
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105 x, w = 0, image_w
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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106 while x < back_w:
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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107 y, h = 0, image_h
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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108 while y < self.height:
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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109 icon = fife.Icon(image)
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110 icon.setPosition(x,y)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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111 self._background.append(icon)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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112 y += h
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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113 x += w
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114 map(self.real_widget.add,self._background)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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115 for tile in self._background:
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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116 tile.requestMoveToBottom()
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117
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118 def setBackgroundImage(self,image):
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119 self._background = getattr(self,'_background',None)
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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120 if image is None:
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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121 self._background_image = image
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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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123 self._background = []
255
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124 return
248
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125 # Background generation is done in _resetTiling
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126
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127 if not isinstance(image, fife.GuiImage):
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128 image = get_manager().loadImage(image)
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129 self._background_image = image
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130
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131 def getBackgroundImage(self): return self._background_image
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132 background_image = property(getBackgroundImage,setBackgroundImage)
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133
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134 def _setOpaque(self,opaque): self.real_widget.setOpaque(opaque)
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135 def _getOpaque(self): return self.real_widget.isOpaque()
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136 opaque = property(_getOpaque,_setOpaque)
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137
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138 class VBox(VBoxLayoutMixin,Container):
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139 """
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140 A vertically aligned box - for containement of child widgets.
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141
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142 Widgets added to this container widget, will layout on top of each other.
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143 Also the minimal width of the container will be the maximum of the minimal
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144 widths of the contained widgets.
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145
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146 The default alignment is to the top. This can be changed by adding a Spacer
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147 to the widget at any point (but only one!). The spacer will expand, so that
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148 widgets above the spacer are aligned to the top, while widgets below the spacer
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149 are aligned to the bottom.
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150 """
255
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151 DEFAULT_HEXPAND = 0
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152 DEFAULT_VEXPAND = 1
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153
248
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154 def __init__(self,padding=5,**kwargs):
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155 super(VBox,self).__init__(**kwargs)
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156 self.padding = padding
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157
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158
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159 class HBox(HBoxLayoutMixin,Container):
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160 """
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161 A horizontally aligned box - for containement of child widgets.
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162
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163 Please see L{VBox} for details - just change the directions :-).
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164 """
255
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165 DEFAULT_HEXPAND = 1
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166 DEFAULT_VEXPAND = 0
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167
248
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168 def __init__(self,padding=5,**kwargs):
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169 super(HBox,self).__init__(**kwargs)
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170 self.padding = padding
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171
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172 class Window(VBoxLayoutMixin,Container):
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173 """
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174 A L{VBox} with a draggable title bar aka a window
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175
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176 New Attributes
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177 ==============
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178
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179 - title: The Caption of the window
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180 - titlebar_height: The height of the window title bar
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181 """
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182
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183 ATTRIBUTES = Container.ATTRIBUTES + [ UnicodeAttr('title'), IntAttr('titlebar_height') ]
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184
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185 def __init__(self,title=u"title",titlebar_height=0,**kwargs):
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186 super(Window,self).__init__(_real_widget = fife.Window(), **kwargs)
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187 if titlebar_height == 0:
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188 titlebar_height = self.real_font.getHeight() + 4
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189 self.titlebar_height = titlebar_height
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190 self.title = title
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191
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192 # Override explicit positioning
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193 self.position_technique = "automatic"
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194
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195
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196 def _getTitle(self): return gui2text(self.real_widget.getCaption())
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197 def _setTitle(self,text): self.real_widget.setCaption(text2gui(text))
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198 title = property(_getTitle,_setTitle)
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199
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200 def _getTitleBarHeight(self): return self.real_widget.getTitleBarHeight()
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201 def _setTitleBarHeight(self,h): self.real_widget.setTitleBarHeight(h)
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202 titlebar_height = property(_getTitleBarHeight,_setTitleBarHeight)
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203
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204 # Hackish way of hiding that title bar height in the perceived height.
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205 # Fixes VBox calculation
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206 def _setHeight(self,h):
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207 h = max(self.min_size[1],h)
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208 h = min(self.max_size[1],h)
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209 self.real_widget.setHeight(h + self.titlebar_height)
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210 def _getHeight(self): return self.real_widget.getHeight() - self.titlebar_height
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211 height = property(_getHeight,_setHeight)
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212