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#
# datacombo.py: A class (derived from GtkComboBox) that provides
# the ability to store data and show text in a GtkComboBox easily
#
# Copyright (C) 2004 Red Hat, Inc. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# Author(s): Jeremy Katz <katzj@redhat.com>
#
import gtk
import gobject
class DataComboBox(gtk.ComboBox):
"""A class derived from gtk.ComboBox to allow setting a user visible
string and (not-visible) data string"""
def __init__(self, store = None):
if store is None:
self.store = gtk.TreeStore(gobject.TYPE_STRING, gobject.TYPE_STRING)
else:
self.store = store
gtk.ComboBox.__init__(self, self.store)
cell = gtk.CellRendererText()
self.pack_start(cell, True)
self.set_attributes(cell, text = 0)
def append(self, text, data):
iter = self.store.append(None)
self.store[iter] = (text, data)
def get_active_value(self, col = 1):
row = self.get_active()
return self.get_stored_data(row, col)
def get_stored_data(self, row, col = 1):
if row < 0:
return None
iter = self.store.get_iter(row)
val = self.store.get_value(iter, col)
return val
def get_text(self, row):
return self.get_stored_data(row, col = 0)
def set_active_text(self, t):
"""set_active_text(string) -> Sets the active row to whereever t is.
returns True if set_active is run, False otherwise.
"""
retval = False
n = 0
i = self.store.get_iter(n)
while i is not None:
if self.store.get_value(i, 0) == t:
self.set_active(n)
retval = True
break
i = self.store.iter_next(i)
n += 1
return retval
def clear(self):
self.store.clear()
if __name__ == "__main__":
def mycb(widget, *args):
idx = widget.get_active()
print(idx, widget.get_stored_data(idx), widget.get_text(idx))
win = gtk.Window()
cb = DataComboBox()
cb.append("/dev/hda5", "hda5")
cb.append("/dev/hda6", "hda6")
cb.append("/dev/hda7", "hda7")
cb.append("/dev/hda8", "hda8")
cb.set_active_text("/dev/hda7")
cb.connect('changed', mycb)
win.add(cb)
win.show_all()
gtk.main()
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