ibus/daemon/inputcontext.py

398 строки
13 KiB
Python

# vim:set et sts=4 sw=4:
#
# ibus - The Input Bus
#
# Copyright (c) 2007-2008 Huang Peng <shawn.p.huang@gmail.com>
#
# 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 program; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place, Suite 330,
# Boston, MA 02111-1307 USA
import gobject
import ibus
class InputContext(ibus.Object):
id = 1
__gsignals__ = {
"update-preedit" : (
gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE,
(gobject.TYPE_PYOBJECT, gobject.TYPE_PYOBJECT, gobject.TYPE_INT, gobject.TYPE_BOOLEAN)),
"show-preedit" : (
gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE,
()),
"hide-preedit" : (
gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE,
()),
"update-aux-string" : (
gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE,
(gobject.TYPE_PYOBJECT, gobject.TYPE_PYOBJECT, gobject.TYPE_BOOLEAN)),
"show-aux-string" : (
gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE,
()),
"hide-aux-string" : (
gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE,
()),
"update-lookup-table" : (
gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE,
(gobject.TYPE_PYOBJECT, gobject.TYPE_BOOLEAN)),
"show-lookup-table" : (
gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE,
()),
"hide-lookup-table" : (
gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE,
()),
"page-up-lookup-table" : (
gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE,
()),
"page-down-lookup-table" : (
gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE,
()),
"cursor-up-lookup-table" : (
gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE,
()),
"cursor-down-lookup-table" : (
gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE,
()),
"register-properties" : (
gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE,
(gobject.TYPE_PYOBJECT, )),
"update-property" : (
gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE,
(gobject.TYPE_PYOBJECT, )),
"engine-lost" : (
gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE,
()),
}
def __init__(self, name, ibusconn):
super(InputContext, self).__init__()
self.__id = "%d" % InputContext.id
InputContext.id += 1
self.__ibusconn = ibusconn
self.__ibusconn.connect("destroy", self.__ibusconn_destroy_cb)
# init default values
self.__enable = False
self.__engine = None
self.__engine_handlers = []
# client state
self.__aux_string = None
self.__aux_attrs = None
self.__aux_visible = False
self.__use_preedit = True
self.__preedit_string = None
self.__preedit_attrs = None
self.__cursor_pos = 0
self.__preedit_visible = False
self.__lookup_table = None
self.__lookup_table_visible = False
def get_id(self):
return self.__id;
def get_preedit_string(self):
return self.__preedit_string, self.__preedit_attrs, self.__cursor_pos
def get_use_preedit(self):
return self.__use_preedit
def get_aux_string(self):
return self.__aux_string, self.__aux_attrs
def process_key_event(self, keyval, is_press, state,
reply_cb, error_cb):
if self.__engine != None and self.__enable:
self.__engine.process_key_event(keyval, is_press, state,
reply_cb, error_cb)
else:
reply_cb(False)
def set_cursor_location(self, x, y, w, h):
if self.__engine:
self.__engine.set_cursor_location(x, y, w, h)
def focus_in(self):
if self.__engine and self.__enable:
self.__engine.focus_in()
def focus_out(self):
if self.__engine and self.__enable:
self.__engine.focus_out()
def reset(self):
if self.__engine and self.__enable:
self.__engine.reset()
def page_up(self):
if self.__engine and self.__enable:
self.__engine.page_up()
def page_down(self):
if self.__engine and self.__enable:
self.__engine.page_down()
def cursor_up(self):
if self.__engine and self.__enable:
self.__engine.cursor_up()
def cursor_down(self):
if self.__engine and self.__enable:
self.__engine.cursor_down()
def property_activate(self, prop_name, prop_state):
if self.__engine and self.__enable:
self.__engine.property_activate(prop_name, prop_state)
def property_show(self, prop_name):
if self.__engine and self.__enable:
self.__engine.property_show(prop_name)
def property_hide(self, prop_name):
if self.__engine and self.__enable:
self.__engine.property_hide(prop_name)
def is_enabled(self):
return self.__enable
def set_capabilities(self, caps):
if caps == 0:
self.__use_preedit = False
else:
self.__use_preedit = True
def set_enable(self, enable):
if self.__enable != enable:
self.__enable = enable
if self.__enable:
self.__ibusconn.emit_dbus_signal("Enabled", self.__id)
if self.__engine:
self.__engine.enable()
else:
self.__ibusconn.emit_dbus_signal("Disabled", self.__id)
if self.__engine:
self.__engine.disable()
def commit_string(self, text):
self.__ibusconn.emit_dbus_signal("CommitString", self.__id, text)
def update_preedit(self, text, attrs, cursor_pos, visible):
self.__preedit_string = text
self.__preedit_attrs = attrs
self.__cursor_pos = cursor_pos
self.__preedit_visible = visible
if self.__use_preedit:
self.__ibusconn.emit_dbus_signal("UpdatePreedit", self.__id, text, attrs, cursor_pos, visible)
else:
# show preedit on panel
self.emit("update-preedit", text, attrs, cursor_pos, visible)
def show_preedit(self):
self.__preedit_visible = True
if self.__use_preedit:
self.__ibusconn.emit_dbus_signal("ShowPreedit", self.__id)
else:
# show preedit on panel
self.emit("show-preedit")
def hide_preedit(self):
self.__preedit_visible = False
if self.__use_preedit:
self.__ibusconn.emit_dbus_signal("HidePreedit", self.__id)
else:
# show preedit on panel
self.emit("hide-preedit")
def set_engine(self, engine):
if self.__engine == engine:
return
if self.__engine != None:
self.__remove_engine_handlers()
self.__engine.destroy()
self.__engine = None
self.__engine = engine
self.__install_engine_handlers()
def get_engine(self):
return self.__engine
def get_factory(self):
if self.__engine:
return self.__engine.get_factory()
return None
def __engine_destroy_cb(self, engine):
if self.__engine == engine:
self.__remove_engine_handlers()
self.__engine = None
self.__enable = False
if self.__use_preedit:
self.__ibusconn.emit_dbus_signal("UpdatePreedit",
self.__id,
u"",
ibus.AttrList().to_dbus_value(),
0,
False)
self.__ibusconn.emit_dbus_signal("Disabled", self.__id)
self.emit("engine-lost")
def __ibusconn_destroy_cb(self, ibusconn):
if self.__engine != None:
self.__remove_engine_handlers()
self.__engine.destroy()
self.__engine = None
self.destroy()
def __commit_string_cb(self, engine, text):
if not self.__enable:
return
self.commit_string(text)
def __update_preedit_cb(self, engine, text, attrs, cursor_pos, visible):
if not self.__enable:
return
self.update_preedit(text, attrs, cursor_pos, visible)
def __show_preedit_cb(self, engine):
if not self.__enable:
return
self.show_preedit()
def __hide_preedit_cb(self, engine):
if not self.__enable:
return
self.hide_preedit()
def __update_aux_string_cb(self, engine, text, attrs, visible):
if not self.__enable:
return
self.__aux_string = text
self.__aux_attrs = attrs
self.__aux_visible = visible
self.emit("update-aux-string", text, attrs, visible)
def __show_aux_string_cb(self, engine):
if not self.__enable:
return
self.__aux_visible = True
self.emit("show-aux-string")
def __hide_aux_string_cb(self, engine):
if not self.__enable:
return
self.__aux_visible = False
self.emit("hide-aux-string")
def __update_lookup_table_cb(self, engine, lookup_table, visible):
if not self.__enable:
return
self.__lookup_table = lookup_table
self.__lookup_table_visible = visible
self.emit("update-lookup-table", lookup_table, visible)
def __show_lookup_table_cb(self, engine):
if not self.__enable:
return
self.__lookup_table_visible = True
self.emit("show-lookup-table")
def __hide_lookup_table_cb(self, engine):
if not self.__enable:
return
self.__lookup_table_visible = False
self.emit("hide-lookup-table")
def __page_up_lookup_table_cb(self, engine):
if not self.__enable:
return
self.emit("page-up-lookup-table")
def __page_down_lookup_table_cb(self, engine):
if not self.__enable:
return
self.emit("page-down-lookup-table")
def __cursor_up_lookup_table_cb(self, engine):
if not self.__enable:
return
self.emit("cursor-up-lookup-table")
def __cursor_down_lookup_table_cb(self, engine):
if not self.__enable:
return
self.emit("cursor-down-lookup-table")
def __register_properties_cb(self, engine, props):
if not self.__enable:
return
self.emit("register-properties", props)
def __update_property_cb(self, engine, prop):
if not self.__enable:
return
self.emit("update-property", prop)
def __remove_engine_handlers(self):
assert self.__engine != None
map(self.__engine.disconnect, self.__engine_handlers)
del self.__engine_handlers[:]
def __install_engine_handlers(self):
signals = (
("destroy", self.__engine_destroy_cb),
("commit-string", self.__commit_string_cb),
("update-preedit", self.__update_preedit_cb),
("show-preedit", self.__show_preedit_cb),
("hide-preedit", self.__hide_preedit_cb),
("update-aux-string", self.__update_aux_string_cb),
("show-aux-string", self.__show_aux_string_cb),
("hide-aux-string", self.__hide_aux_string_cb),
("update-lookup-table", self.__update_lookup_table_cb),
("show-lookup-table", self.__show_lookup_table_cb),
("hide-lookup-table", self.__hide_lookup_table_cb),
("page-up-lookup-table", self.__page_up_lookup_table_cb),
("page-down-lookup-table", self.__page_down_lookup_table_cb),
("cursor-up-lookup-table", self.__cursor_up_lookup_table_cb),
("cursor-down-lookup-table", self.__cursor_down_lookup_table_cb),
("register-properties", self.__register_properties_cb),
("update-property", self.__update_property_cb)
)
for signal, handler in signals:
id = self.__engine.connect(signal, handler)
self.__engine_handlers.append(id)
gobject.type_register(InputContext)