/usr/lib/python2.7/dist-packages/wxglade/widgets/combo_box/combo_box.py is in python-wxglade 0.6.8-2.2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 | # combo_box.py: wxComboBox objects
# $Id: combo_box.py,v 1.28 2007/03/27 07:02:02 agriggio Exp $
#
# Copyright (c) 2002-2007 Alberto Griggio <agriggio@users.sourceforge.net>
# License: MIT (see license.txt)
# THIS PROGRAM COMES WITH NO WARRANTY
import wx
import common, misc
from edit_windows import ManagedBase
from tree import Tree
from widget_properties import *
from ChoicesProperty import *
if wx.Platform == '__WXMSW__':
# why on Windows combo boxes give segfaults? Need to investigate, but
# for now replace them with choices
# this seems to be because of the style of wxPanel: if there's a
# wxTAB_TRAVERSAL, we have troubles -- now it should be fixed...
class wxComboBox2(wx.ComboBox):
# on windows GetBestSize considers also the drop down menu, while we
# don't want it to be included
def GetBestSize(self):
w, h = wx.ComboBox.GetBestSize(self)
n = self.GetCount()
return w, h/(n+1)
def GetSize(self):
return self.GetClientSize()
else:
wxComboBox2 = wx.ComboBox
class EditComboBox(ManagedBase):
events = ['EVT_COMBOBOX', 'EVT_TEXT', 'EVT_TEXT_ENTER']
def __init__(self, name, parent, id, choices, sizer, pos, property_window,
show=True):
"""\
Class to handle wxComboBox objects
"""
import config
ManagedBase.__init__(self, name, 'wxComboBox', parent, id, sizer,
pos, property_window, show=show)
self.choices = choices
if len(choices):
self.selection = 0
else:
self.selection = -1
self.style = 0
# properties
self.access_functions['choices'] = (self.get_choices, self.set_choices)
self.access_functions['style'] = (self.get_style, self.set_style)
style_labels = ('#section#' + _('Style'), 'wxCB_SIMPLE', 'wxCB_DROPDOWN',
'wxCB_READONLY', 'wxCB_SORT')
self.style_pos = [ eval('wx.' + s[2:]) for s in style_labels[1:] ]
self.tooltips = (_("Creates a combobox with a permanently displayed list."
" Windows only."),
_("Creates a combobox with a drop-down list."),
_("Same as wxCB_DROPDOWN but only the strings specified "
"as the combobox choices can be selected, it is "
"impossible to select (even from a program) a string "
"which is not in the choices list."),
_("Sorts the entries in the list alphabetically."))
self.properties['style'] = CheckListProperty(self, 'style', None,
style_labels,
tooltips=self.tooltips)
self.properties['choices'] = ChoicesProperty(self, 'choices', None,
[('Label',
GridProperty.STRING)],
len(choices), label=_("choices"))
self.access_functions['selection'] = (self.get_selection,
self.set_selection)
self.choices = list(choices)
self.properties['selection'] = SpinProperty(self, 'selection', None,
r=(0, len(choices)-1), label=_("selection"))
# 2003-09-04 added default_border
if config.preferences.default_border:
self.border = config.preferences.default_border_size
self.flag = wx.ALL
def create_widget(self):
self.widget = wxComboBox2(self.parent.widget, self.id,
choices=self.choices)
self.set_selection(self.selection)
wx.EVT_LEFT_DOWN(self.widget, self.on_set_focus)
def create_properties(self):
ManagedBase.create_properties(self)
panel = wx.Panel(self.notebook, -1)
szr = wx.BoxSizer(wx.VERTICAL)
self.properties['choices'].display(panel)
self.properties['style'].display(panel)
self.properties['selection'].display(panel)
szr.Add(self.properties['style'].panel, 0, wx.EXPAND)
szr.Add(self.properties['selection'].panel, 0, wx.EXPAND)
szr.Add(self.properties['choices'].panel, 1, wx.EXPAND)
panel.SetAutoLayout(True)
panel.SetSizer(szr)
szr.Fit(panel)
self.notebook.AddPage(panel, 'Widget')
self.properties['choices'].set_col_sizes([-1])
def get_selection(self):
return self.selection
def set_selection(self, value):
value = int(value)
if self.selection != value:
self.selection = value
if self.widget:
self.widget.SetSelection(value)
def get_choices(self):
return zip(self.choices)
def set_choices(self, values):
self.choices = [ misc.wxstr(v[0]) for v in values ]
self.properties['selection'].set_range(0, len(self.choices)-1)
if self.widget:
self.widget.Clear()
for c in self.choices:
self.widget.Append(c)
if not self.properties['size'].is_active():
self.sizer.set_item(self.pos, size=self.widget.GetBestSize())
def get_style(self):
retval = [0] * len(self.style_pos)
try:
for i in range(len(self.style_pos)):
if self.style & self.style_pos[i]:
retval[i] = 1
except AttributeError:
pass
return retval
def set_style(self, value):
value = self.properties['style'].prepare_value(value)
self.style = 0
for v in range(len(value)):
if value[v]:
self.style |= self.style_pos[v]
## if self.widget:
## self.SetWindowStyleFlag(style)
def get_property_handler(self, prop_name):
if prop_name == 'choices':
return ChoicesHandler(self)
return ManagedBase.get_property_handler(self, prop_name)
# end of class EditComboBox
def builder(parent, sizer, pos, number=[1]):
"""\
factory function for EditComboBox objects.
"""
name = 'combo_box_%d' % number[0]
while common.app_tree.has_name(name):
number[0] += 1
name = 'combo_box_%d' % number[0]
choice = EditComboBox(name, parent, wx.NewId(), #[misc._encode('choice 1')],
[], sizer, pos, common.property_panel)
node = Tree.Node(choice)
# sizer.set_item(pos, size=choice.GetBestSize())
choice.node = node
choice.show_widget(True)
common.app_tree.insert(node, sizer.node, pos-1)
def xml_builder(attrs, parent, sizer, sizeritem, pos=None):
"""\
factory to build EditComboBox objects from an xml file
"""
from xml_parse import XmlParsingError
try:
name = attrs['name']
except KeyError:
raise XmlParsingError, _("'name' attribute missing")
if sizer is None or sizeritem is None:
raise XmlParsingError, _("sizer or sizeritem object cannot be None")
choice = EditComboBox(name, parent, wx.NewId(), [], sizer, pos,
common.property_panel)
sizer.set_item(choice.pos, option=sizeritem.option,
flag=sizeritem.flag, border=sizeritem.border)
## size=choice.GetBestSize())
node = Tree.Node(choice)
choice.node = node
if pos is None:
common.app_tree.add(node, sizer.node)
else:
common.app_tree.insert(node, sizer.node, pos-1)
return choice
def initialize():
"""\
initialization function for the module: returns a wxBitmapButton to be
added to the main palette.
"""
common.widgets['EditComboBox'] = builder
common.widgets_from_xml['EditComboBox'] = xml_builder
return common.make_object_button('EditComboBox', 'icons/combo_box.xpm')
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