# Copyright (C) 2007 Red Hat, Inc.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
import gi
gi.require_version('Gtk', '4.0')
from gi.repository import GObject
_groups = {}
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def get_group(group_id):
if group_id in _groups:
group = _groups[group_id]
else:
group = Group()
_groups[group_id] = group
return group
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def popdown_all():
for group in list(_groups.values()):
group.popdown()
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class Group(GObject.GObject):
__gsignals__ = {
'popup': (GObject.SignalFlags.RUN_FIRST, None, ([])),
'popdown': (GObject.SignalFlags.RUN_FIRST, None, ([])),
}
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def __init__(self):
GObject.GObject.__init__(self)
self._up = False
self._palettes = []
self._sig_ids = {}
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def is_up(self):
return self._up
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def get_state(self):
for palette in self._palettes:
if palette.is_up():
return palette.palette_state
return None
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def add(self, palette):
self._palettes.append(palette)
self._sig_ids[palette] = []
sid = palette.connect('popup', self._palette_popup_cb)
self._sig_ids[palette].append(sid)
sid = palette.connect('popdown', self._palette_popdown_cb)
self._sig_ids[palette].append(sid)
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def remove(self, palette):
if palette not in self._palettes:
# This happens when converting a window based palette to a menu
# based one.
return
sig_ids = self._sig_ids[palette]
for sid in sig_ids:
palette.disconnect(sid)
self._palettes.remove(palette)
del self._sig_ids[palette]
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def popdown(self):
for palette in self._palettes:
if palette.is_up():
palette.popdown(immediate=True)
def _palette_popup_cb(self, palette):
for i in self._palettes:
if i != palette:
i.popdown(immediate=True)
if not self._up:
self.emit('popup')
self._up = True
def _palette_popdown_cb(self, palette):
down = True
for palette in self._palettes:
if palette.is_up():
down = False
if down:
self._up = False
self.emit('popdown')