Mercurial > fife-parpg

annotate engine/extensions/pychan/widgets/listbox.py @ 336:16112ef84609

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PyChan fixes: * Previous commits removed the ability to map events to unnamed widgets. Fixed.
author phoku@33b003aa-7bff-0310-803a-e67f0ece8222
date Mon, 24 Aug 2009 15:34:23 +0000
parents 48c99636453e
children dfd48d49c044
rev   line source
331
48c99636453e Added Licence header to all pypthon modules in extension/
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1 #!/usr/bin/env python
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2 # -*- coding: utf-8 -*-
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3
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4 # ####################################################################
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5 # Copyright (C) 2005-2009 by the FIFE team
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6 # http://www.fifengine.de
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7 # This file is part of FIFE.
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8 #
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9 # FIFE is free software; you can redistribute it and/or
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10 # modify it under the terms of the GNU Lesser General Public
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11 # License as published by the Free Software Foundation; either
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12 # version 2.1 of the License, or (at your option) any later version.
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13 #
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14 # This library is distributed in the hope that it will be useful,
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15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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17 # Lesser General Public License for more details.
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18 #
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19 # You should have received a copy of the GNU Lesser General Public
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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/
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21 # Free Software Foundation, Inc.,
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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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26 from widget import Widget
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27
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28 class GenericListmodel(fife.ListModel,list):
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29 """
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30 A wrapper for the exported list model to behave more like a Python list.
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31 Don't use directly.
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32 """
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33 def __init__(self,*args):
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34 super(GenericListmodel,self).__init__()
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35 map(self.append,args)
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36 def clear(self):
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37 while len(self):
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38 self.pop()
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39 def getNumberOfElements(self):
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40 return len(self)
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41
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42 def getElementAt(self, i):
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43 i = max(0,min(i,len(self) - 1))
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10b5f7f36dd4 * Fixed a small unicode bug for the dropdown menu
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44 return text2gui(unicode(self[i]))
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45
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46 class ListBox(Widget):
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47 """
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48 A basic list box widget for displaying lists of strings. It makes most sense to wrap
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49 this into a L{ScrollArea}.
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50
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51 New Attributes
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52 ==============
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53
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54 - items: A List of strings. This can be treated like an ordinary python list.
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55 but only strings are allowed.
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56 - selected: The index of the selected item in the list. Starting from C{0} to C{len(items)-1}.
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57 A negative value indicates, that no item is selected.
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58 - selected_item: The selected string itself, or C{None} - if no string is selected.
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59
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60 Data
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61 ====
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62 The selected attribute can be read and set via L{distributeData} and L{collectData}.
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63 The list items can be set via L{distributeInitialData}.
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64 """
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65 DEFAULT_HEXPAND = 1
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66 DEFAULT_VEXPAND = 1
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67
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68 def __init__(self,items=[],**kwargs):
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69 self._items = GenericListmodel(*items)
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70 self.real_widget = fife.ListBox(self._items)
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71 super(ListBox,self).__init__(**kwargs)
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72
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73 # Prepare Data collection framework
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74 self.accepts_initial_data = True
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75 self._realSetInitialData = self._setItems
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76
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77 self.accepts_data = True
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78 self._realSetData = self._setSelected
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79 self._realGetData = self._getSelected
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80
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81 def resizeToContent(self,recurse=True):
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82 # We append a minimum value, so max() does not bail out,
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83 # if no items are in the list
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ea85ddce2b36 * Fixed a bug where resizing a listbox with non-ascii characters would give errors
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84 _item_widths = map(self.real_font.getWidth,map(gui2str,self._items)) + [0]
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85 max_w = max(_item_widths)
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86 self.width = max_w
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87 self.height = (self.real_font.getHeight() + 2) * len(self._items)
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88
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89 def _getItems(self): return self._items
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90 def _setItems(self,items):
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91 # Note we cannot use real_widget.setListModel
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92 # for some reason ???
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93
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94 # Also self assignment can kill you
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95 if id(items) != id(self._items):
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96 self._items.clear()
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97 self._items.extend(items)
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98
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99 items = property(_getItems,_setItems)
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100
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101 def _getSelected(self): return self.real_widget.getSelected()
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102 def _setSelected(self,index): self.real_widget.setSelected(index)
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103 selected = property(_getSelected,_setSelected)
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104 def _getSelectedItem(self):
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105 if 0 <= self.selected < len(self._items):
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106 return self._items[self.selected]
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107 return None
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108 selected_item = property(_getSelectedItem)