Mercurial > fife-parpg

annotate engine/extensions/pychan/widgets/scrollarea.py @ 248:a2d5e2721489

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widgets.py split up.
author phoku@33b003aa-7bff-0310-803a-e67f0ece8222
date Thu, 26 Mar 2009 16:20:16 +0000
parents
children 51cc05d862f2
rev   line source
248
a2d5e2721489 widgets.py split up.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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1 # -*- coding: utf-8 -*-
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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
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5
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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6 class ScrollArea(Widget):
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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7 """
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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8 A wrapper around another (content) widget.
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9
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10 New Attributes
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11 ==============
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12
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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13 - content: The wrapped widget.
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14 - vertical_scrollbar: Boolean: Set this to False to hide the Vertical scrollbar
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15 - horizontal_scrollbar: Boolean: Set this to False to hide the Horizontal scrollbar
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16
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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17 """
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18
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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19 ATTRIBUTES = Widget.ATTRIBUTES + [ BoolAttr("vertical_scrollbar"),BoolAttr("horizontal_scrollbar") ]
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20
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21 def __init__(self,**kwargs):
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22 self.real_widget = fife.ScrollArea()
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23 self._content = None
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24 super(ScrollArea,self).__init__(**kwargs)
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25
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26 def addChild(self,widget):
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27 self.content = widget
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28 widget.parent = self
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29
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30 def removeChild(self,widget):
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31 if self._content != widget:
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32 raise RuntimeError("%s does not have %s as direct child widget." % (str(self),str(widget)))
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33 self.content = None
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34 widget.parent = None
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35
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36 def _setContent(self,content):
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37 if content is None:
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38 self.real_widget.setContent(content)
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39 else:
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40 self.real_widget.setContent(content.real_widget)
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41 self._content = content
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42 def _getContent(self): return self._content
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43 content = property(_getContent,_setContent)
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44
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45 def deepApply(self,visitorFunc):
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46 if self._content: self._content.deepApply(visitorFunc)
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47 visitorFunc(self)
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48
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49 def resizeToContent(self,recurse=True):
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50 if self._content is None: return
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51 if recurse:
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52 self.content.resizeToContent(recurse=True)
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53 self.content.width = max(self.content.width,self.width-5)
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54 self.content.height = max(self.content.height,self.height-5)
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55
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56 def _visibilityToScrollPolicy(self,visibility):
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57 if visibility:
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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58 return fife.ScrollArea.SHOW_AUTO
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59 return fife.ScrollArea.SHOW_NEVER
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60
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61 def _scrollPolicyToVisibility(self,policy):
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62 if policy == fife.ScrollArea.SHOW_NEVER:
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63 return False
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64 return True
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65
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66 def _setHorizontalScrollbar(self,visibility):
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67 self.real_widget.setHorizontalScrollPolicy( self._visibilityToScrollPolicy(visibility) )
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68
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69 def _setVerticalScrollbar(self,visibility):
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70 self.real_widget.setVerticalScrollPolicy( self._visibilityToScrollPolicy(visibility) )
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71
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72 def _getHorizontalScrollbar(self):
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73 return self._scrollPolicyToVisibility( self.real_widget.getHorizontalScrollPolicy() )
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74
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75 def _getVerticalScrollbar(self):
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76 return self._scrollPolicyToVisibility( self.real_widget.getVerticalScrollPolicy() )
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77
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78 vertical_scrollbar = property(_getVerticalScrollbar,_setVerticalScrollbar)
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79 horizontal_scrollbar = property(_getHorizontalScrollbar,_setHorizontalScrollbar)