Mercurial > fife-parpg

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

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Screenshot function for editor
author cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
date Wed, 17 Jun 2009 02:39:01 +0000
parents 10b5f7f36dd4
children 48c99636453e
rev   line source
248
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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 from listbox import GenericListmodel
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6
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7 class DropDown(Widget):
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8 """
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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9 A dropdown or combo box widget for selecting lists of strings.
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10
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11 New Attributes
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12 ==============
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13
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14 - items: A List of strings. This can be treated like an ordinary python list.
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15 but only strings are allowed.
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16 - selected: The index of the selected item in the list. Starting from C{0} to C{len(items)-1}.
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17 A negative value indicates, that no item is selected.
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18 - selected_item: The selected string itself, or C{None} - if no string is selected.
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19
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20 Data
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21 ====
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22 The selected attribute can be read and set via L{distributeData} and L{collectData}.
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23 The list items can be set via L{distributeInitialData}.
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24 """
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25 def __init__(self,items=[],**kwargs):
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26 self._items = GenericListmodel(*items)
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27 self.real_widget = fife.DropDown(self._items)
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28 super(DropDown,self).__init__(**kwargs)
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29
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30 # Prepare Data collection framework
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31 self.accepts_initial_data = True
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32 self._realSetInitialData = self._setItems
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33
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34 self.accepts_data = True
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35 self._realSetData = self._setSelected
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36 self._realGetData = self._getSelected
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37
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38 def resizeToContent(self,recurse=True):
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39 # We append a minimum value, so max() does not bail out,
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40 # if no items are in the list
254
10b5f7f36dd4 * Fixed a small unicode bug for the dropdown menu
nihathrael@33b003aa-7bff-0310-803a-e67f0ece8222
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41 _item_widths = map(self.real_font.getWidth, map(text2gui, map(unicode, self._items))) + [self.real_font.getHeight()]
248
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42 max_w = max(_item_widths)
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43 self.width = max_w
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44 self.height = (self.real_font.getHeight() + 2)
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45
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46 def _getItems(self): return self._items
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47 def _setItems(self,items):
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48 # Note we cannot use real_widget.setListModel
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49 # for some reason ???
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50
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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51 # Also self assignment can kill you
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52 if id(items) != id(self._items):
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53 self._items.clear()
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54 self._items.extend(items)
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55 items = property(_getItems,_setItems)
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56
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57 def _getSelected(self): return self.real_widget.getSelected()
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58 def _setSelected(self,index): self.real_widget.setSelected(index)
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59 selected = property(_getSelected,_setSelected)
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60 def _getSelectedItem(self):
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61 if 0 <= self.selected < len(self._items):
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62 return self._items[self.selected]
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63 return None
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64 selected_item = property(_getSelectedItem)