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112 lines
2.9 KiB
Python
112 lines
2.9 KiB
Python
# Copyright (C) 2007 Red Hat, Inc.
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the
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# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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"""
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STABLE.
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"""
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from gi.repository import GObject
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_groups = {}
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def get_group(group_id):
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if group_id in _groups:
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group = _groups[group_id]
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else:
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group = Group()
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_groups[group_id] = group
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return group
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def popdown_all():
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for group in list(_groups.values()):
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group.popdown()
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class Group(GObject.GObject):
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__gsignals__ = {
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'popup': (GObject.SignalFlags.RUN_FIRST, None, ([])),
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'popdown': (GObject.SignalFlags.RUN_FIRST, None, ([])),
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}
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def __init__(self):
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GObject.GObject.__init__(self)
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self._up = False
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self._palettes = []
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self._sig_ids = {}
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def is_up(self):
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return self._up
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def get_state(self):
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for palette in self._palettes:
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if palette.is_up():
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return palette.palette_state
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return None
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def add(self, palette):
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self._palettes.append(palette)
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self._sig_ids[palette] = []
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sid = palette.connect('popup', self._palette_popup_cb)
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self._sig_ids[palette].append(sid)
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sid = palette.connect('popdown', self._palette_popdown_cb)
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self._sig_ids[palette].append(sid)
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def remove(self, palette):
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if palette not in self._palettes:
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# This happens when converting a window based palette to a menu
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# based one.
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return
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sig_ids = self._sig_ids[palette]
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for sid in sig_ids:
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palette.disconnect(sid)
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self._palettes.remove(palette)
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del self._sig_ids[palette]
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def popdown(self):
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for palette in self._palettes:
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if palette.is_up():
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palette.popdown(immediate=True)
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def _palette_popup_cb(self, palette):
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for i in self._palettes:
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if i != palette:
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i.popdown(immediate=True)
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if not self._up:
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self.emit('popup')
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self._up = True
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def _palette_popdown_cb(self, palette):
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down = True
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for palette in self._palettes:
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if palette.is_up():
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down = False
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if down:
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self._up = False
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self.emit('popdown')
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