770 lines
24 KiB
C
770 lines
24 KiB
C
/*
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* Copyright (C) 2010-2011 Daiki Ueno <ueno@unixuser.org>
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* Copyright (C) 2010-2011 Red Hat, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif /* HAVE_CONFIG_H */
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#include <libxklavier/xklavier.h>
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#ifdef HAVE_CSPI
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#include <cspi/spi.h>
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#endif /* HAVE_CSPI */
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#include <gdk/gdkx.h>
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#ifdef HAVE_FAKEKEY
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#include <fakekey/fakekey.h>
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#endif /* HAVE_FAKEKEY */
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#include "eek/eek.h"
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#include "eek/eek-xkl.h"
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#include "eekboard/eekboard.h"
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#include "client.h"
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#include "xklutil.h"
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#define CSW 640
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#define CSH 480
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enum {
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PROP_0,
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PROP_CONNECTION,
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PROP_EEKBOARD,
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PROP_CONTEXT,
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PROP_LAST
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};
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typedef struct _EekboardClientClass EekboardClientClass;
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struct _EekboardClient {
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GObject parent;
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EekboardEekboard *eekboard;
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EekboardContext *context;
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EekKeyboard *keyboard;
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GdkDisplay *display;
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XklEngine *xkl_engine;
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XklConfigRegistry *xkl_config_registry;
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gulong xkl_config_changed_handler;
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gulong xkl_state_changed_handler;
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gulong key_pressed_handler;
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gulong key_released_handler;
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#ifdef HAVE_CSPI
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Accessible *acc;
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AccessibleEventListener *focus_listener;
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AccessibleEventListener *keystroke_listener;
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#endif /* HAVE_CSPI */
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#ifdef HAVE_FAKEKEY
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FakeKey *fakekey;
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#endif /* HAVE_FAKEKEY */
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};
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struct _EekboardClientClass {
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GObjectClass parent_class;
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};
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G_DEFINE_TYPE (EekboardClient, eekboard_client, G_TYPE_OBJECT);
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static GdkFilterReturn filter_xkl_event (GdkXEvent *xev,
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GdkEvent *event,
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gpointer user_data);
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static void on_xkl_config_changed
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(XklEngine *xklengine,
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gpointer user_data);
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static void on_xkl_state_changed
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(XklEngine *xklengine,
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XklEngineStateChange type,
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gint value,
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gboolean restore,
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gpointer user_data);
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#ifdef HAVE_CSPI
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static SPIBoolean focus_listener_cb (const AccessibleEvent *event,
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void *user_data);
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static SPIBoolean keystroke_listener_cb
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(const AccessibleKeystroke *stroke,
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void *user_data);
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#endif /* HAVE_CSPI */
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static gboolean set_keyboard (EekboardClient *client,
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gboolean show,
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EekLayout *layout);
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static gboolean set_xkl_keyboard (EekboardClient *client,
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gboolean show,
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const gchar *model,
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const gchar *layouts,
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const gchar *options);
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static void
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eekboard_client_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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EekboardClient *client = EEKBOARD_CLIENT(object);
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GDBusConnection *connection;
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switch (prop_id) {
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case PROP_CONNECTION:
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connection = g_value_get_object (value);
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client->eekboard = eekboard_eekboard_new (connection, NULL);
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if (client->eekboard != NULL) {
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client->context =
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eekboard_eekboard_create_context (client->eekboard,
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"eekboard",
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NULL);
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if (client->context == NULL) {
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g_object_unref (client->eekboard);
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client->eekboard = NULL;
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} else
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eekboard_eekboard_push_context (client->eekboard,
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client->context,
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NULL);
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}
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break;
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default:
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g_object_set_property (object,
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g_param_spec_get_name (pspec),
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value);
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break;
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}
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}
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static void
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eekboard_client_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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EekboardClient *client = EEKBOARD_CLIENT(object);
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switch (prop_id) {
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case PROP_EEKBOARD:
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g_value_set_object (value, client->eekboard);
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break;
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case PROP_CONTEXT:
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g_value_set_object (value, client->context);
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break;
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default:
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g_object_get_property (object,
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g_param_spec_get_name (pspec),
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value);
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break;
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}
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}
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static void
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eekboard_client_dispose (GObject *object)
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{
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EekboardClient *client = EEKBOARD_CLIENT(object);
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eekboard_client_disable_xkl (client);
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#ifdef HAVE_CSPI
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eekboard_client_disable_cspi_focus (client);
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eekboard_client_disable_cspi_keystroke (client);
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#endif /* HAVE_CSPI */
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#ifdef HAVE_FAKEKEY
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eekboard_client_disable_fakekey (client);
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#endif /* HAVE_FAKEKEY */
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if (client->context) {
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if (client->eekboard) {
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eekboard_eekboard_pop_context (client->eekboard, NULL);
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}
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g_object_unref (client->context);
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client->context = NULL;
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}
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if (client->eekboard) {
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g_object_unref (client->eekboard);
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client->eekboard = NULL;
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}
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if (client->keyboard) {
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g_object_unref (client->keyboard);
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client->keyboard = NULL;
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}
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#ifdef HAVE_FAKEKEY
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if (client->fakekey) {
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client->fakekey = NULL;
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}
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#endif /* HAVE_FAKEKEY */
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if (client->display) {
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gdk_display_close (client->display);
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client->display = NULL;
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}
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G_OBJECT_CLASS (eekboard_client_parent_class)->dispose (object);
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}
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static void
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eekboard_client_class_init (EekboardClientClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GParamSpec *pspec;
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gobject_class->set_property = eekboard_client_set_property;
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gobject_class->get_property = eekboard_client_get_property;
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gobject_class->dispose = eekboard_client_dispose;
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pspec = g_param_spec_object ("connection",
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"Connection",
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"Connection",
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G_TYPE_DBUS_CONNECTION,
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G_PARAM_CONSTRUCT_ONLY | G_PARAM_WRITABLE);
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g_object_class_install_property (gobject_class,
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PROP_CONNECTION,
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pspec);
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pspec = g_param_spec_object ("eekboard",
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"Eekboard",
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"Eekboard",
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EEKBOARD_TYPE_EEKBOARD,
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G_PARAM_READABLE);
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g_object_class_install_property (gobject_class,
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PROP_EEKBOARD,
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pspec);
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pspec = g_param_spec_object ("context",
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"Context",
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"Context",
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EEKBOARD_TYPE_CONTEXT,
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G_PARAM_READABLE);
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g_object_class_install_property (gobject_class,
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PROP_CONTEXT,
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pspec);
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}
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static void
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eekboard_client_init (EekboardClient *client)
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{
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client->eekboard = NULL;
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client->context = NULL;
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client->display = NULL;
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client->xkl_engine = NULL;
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client->xkl_config_registry = NULL;
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client->keyboard = NULL;
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client->key_pressed_handler = 0;
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client->key_released_handler = 0;
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client->xkl_config_changed_handler = 0;
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client->xkl_state_changed_handler = 0;
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#ifdef HAVE_CSPI
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client->focus_listener = NULL;
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client->keystroke_listener = NULL;
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#endif /* HAVE_CSPI */
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#ifdef HAVE_FAKEKEY
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client->fakekey = NULL;
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#endif /* HAVE_FAKEKEY */
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}
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gboolean
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eekboard_client_set_xkl_config (EekboardClient *client,
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const gchar *model,
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const gchar *layouts,
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const gchar *options)
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{
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#ifdef HAVE_CSPI
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return set_xkl_keyboard (client,
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client->focus_listener ? FALSE : TRUE,
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model,
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layouts,
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options);
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#else
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return set_xkl_keyboard (client,
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TRUE,
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model,
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layouts,
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options);
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#endif
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}
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gboolean
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eekboard_client_enable_xkl (EekboardClient *client)
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{
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if (!client->display) {
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client->display = gdk_display_get_default ();
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}
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g_assert (client->display);
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if (!client->xkl_engine) {
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client->xkl_engine =
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xkl_engine_get_instance (GDK_DISPLAY_XDISPLAY (client->display));
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}
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g_assert (client->xkl_engine);
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if (!client->xkl_config_registry) {
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client->xkl_config_registry =
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xkl_config_registry_get_instance (client->xkl_engine);
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xkl_config_registry_load (client->xkl_config_registry, FALSE);
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}
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client->xkl_config_changed_handler =
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g_signal_connect (client->xkl_engine, "X-config-changed",
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G_CALLBACK(on_xkl_config_changed), client);
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client->xkl_state_changed_handler =
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g_signal_connect (client->xkl_engine, "X-state-changed",
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G_CALLBACK(on_xkl_state_changed), client);
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gdk_window_add_filter (NULL,
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(GdkFilterFunc) filter_xkl_event,
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client);
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gdk_window_add_filter (gdk_get_default_root_window (),
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(GdkFilterFunc) filter_xkl_event,
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client);
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xkl_engine_start_listen (client->xkl_engine, XKLL_TRACK_KEYBOARD_STATE);
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#ifdef HAVE_CSPI
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return set_xkl_keyboard (client,
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client->focus_listener ? FALSE : TRUE,
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NULL,
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NULL,
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NULL);
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#else
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return set_xkl_keyboard (client, TRUE, NULL, NULL, NULL);
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#endif
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}
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void
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eekboard_client_disable_xkl (EekboardClient *client)
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{
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if (client->xkl_engine)
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xkl_engine_stop_listen (client->xkl_engine, XKLL_TRACK_KEYBOARD_STATE);
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if (g_signal_handler_is_connected (client->xkl_engine,
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client->xkl_config_changed_handler))
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g_signal_handler_disconnect (client->xkl_engine,
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client->xkl_config_changed_handler);
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if (g_signal_handler_is_connected (client->xkl_engine,
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client->xkl_state_changed_handler))
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g_signal_handler_disconnect (client->xkl_engine,
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client->xkl_state_changed_handler);
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}
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#ifdef HAVE_CSPI
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gboolean
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eekboard_client_enable_cspi_focus (EekboardClient *client)
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{
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client->focus_listener = SPI_createAccessibleEventListener
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((AccessibleEventListenerCB)focus_listener_cb,
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client);
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if (!SPI_registerGlobalEventListener (client->focus_listener,
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"object:state-changed:focused"))
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return FALSE;
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if (!SPI_registerGlobalEventListener (client->focus_listener,
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"focus:"))
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return FALSE;
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return TRUE;
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}
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void
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eekboard_client_disable_cspi_focus (EekboardClient *client)
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{
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if (client->focus_listener) {
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SPI_deregisterGlobalEventListenerAll (client->focus_listener);
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AccessibleEventListener_unref (client->focus_listener);
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client->focus_listener = NULL;
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}
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}
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gboolean
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eekboard_client_enable_cspi_keystroke (EekboardClient *client)
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{
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client->keystroke_listener =
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SPI_createAccessibleKeystrokeListener (keystroke_listener_cb,
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client);
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if (!SPI_registerAccessibleKeystrokeListener
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(client->keystroke_listener,
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SPI_KEYSET_ALL_KEYS,
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0,
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SPI_KEY_PRESSED |
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SPI_KEY_RELEASED,
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SPI_KEYLISTENER_NOSYNC))
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return FALSE;
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return TRUE;
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}
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void
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eekboard_client_disable_cspi_keystroke (EekboardClient *client)
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{
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if (client->keystroke_listener) {
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SPI_deregisterAccessibleKeystrokeListener (client->keystroke_listener,
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0);
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AccessibleKeystrokeListener_unref (client->keystroke_listener);
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client->keystroke_listener = NULL;
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}
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}
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static SPIBoolean
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focus_listener_cb (const AccessibleEvent *event,
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void *user_data)
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{
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EekboardClient *client = user_data;
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Accessible *accessible = event->source;
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AccessibleStateSet *state_set = Accessible_getStateSet (accessible);
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AccessibleRole role = Accessible_getRole (accessible);
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if (AccessibleStateSet_contains (state_set, SPI_STATE_EDITABLE) ||
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role == SPI_ROLE_TERMINAL) {
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switch (role) {
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case SPI_ROLE_TEXT:
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case SPI_ROLE_PARAGRAPH:
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case SPI_ROLE_PASSWORD_TEXT:
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case SPI_ROLE_TERMINAL:
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if (strncmp (event->type, "focus", 5) == 0 || event->detail1 == 1) {
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client->acc = accessible;
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eekboard_context_show_keyboard (client->context, NULL);
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} else if (event->detail1 == 0 && accessible == client->acc) {
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client->acc = NULL;
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eekboard_context_hide_keyboard (client->context, NULL);
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}
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break;
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case SPI_ROLE_ENTRY:
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if (strncmp (event->type, "focus", 5) == 0 || event->detail1 == 1) {
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client->acc = accessible;
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eekboard_context_show_keyboard (client->context, NULL);
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} else if (event->detail1 == 0) {
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client->acc = NULL;
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eekboard_context_hide_keyboard (client->context, NULL);
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}
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break;
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default:
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;
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}
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} else {
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eekboard_context_hide_keyboard (client->context, NULL);
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}
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return FALSE;
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}
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static SPIBoolean
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keystroke_listener_cb (const AccessibleKeystroke *stroke,
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void *user_data)
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{
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EekboardClient *client = user_data;
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EekKey *key;
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/* Ignore modifiers since the keystroke listener does not called
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when a modifier key is released. */
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key = eek_keyboard_find_key_by_keycode (client->keyboard,
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stroke->keycode);
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if (key) {
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EekSymbol *symbol = eek_key_get_symbol_with_fallback (key, 0, 0);
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if (symbol && eek_symbol_is_modifier (symbol))
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return FALSE;
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}
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if (stroke->type == SPI_KEY_PRESSED) {
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eekboard_context_press_key (client->context, stroke->keycode, NULL);
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} else {
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eekboard_context_release_key (client->context, stroke->keycode, NULL);
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}
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return TRUE;
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}
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#endif /* HAVE_CSPI */
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EekboardClient *
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eekboard_client_new (GDBusConnection *connection)
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{
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EekboardClient *client = g_object_new (EEKBOARD_TYPE_CLIENT,
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"connection", connection,
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NULL);
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if (client->context)
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return client;
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return NULL;
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}
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static GdkFilterReturn
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filter_xkl_event (GdkXEvent *xev,
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GdkEvent *event,
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gpointer user_data)
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{
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EekboardClient *client = user_data;
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XEvent *xevent = (XEvent *)xev;
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xkl_engine_filter_events (client->xkl_engine, xevent);
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return GDK_FILTER_CONTINUE;
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}
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static void
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on_xkl_config_changed (XklEngine *xklengine,
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gpointer user_data)
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{
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EekboardClient *client = user_data;
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gboolean retval;
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retval = set_xkl_keyboard (client, FALSE, NULL, NULL, NULL);
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g_return_if_fail (retval);
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#ifdef HAVE_FAKEKEY
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if (client->fakekey)
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fakekey_reload_keysyms (client->fakekey);
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#endif /* HAVE_FAKEKEY */
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}
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static gboolean
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set_keyboard (EekboardClient *client,
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gboolean show,
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EekLayout *layout)
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{
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gchar *keyboard_name;
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static gint keyboard_serial = 0;
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guint keyboard_id;
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client->keyboard = eek_keyboard_new (layout, CSW, CSH);
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eek_keyboard_set_modifier_behavior (client->keyboard,
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EEK_MODIFIER_BEHAVIOR_LATCH);
|
|
|
|
keyboard_name = g_strdup_printf ("keyboard%d", keyboard_serial++);
|
|
eek_element_set_name (EEK_ELEMENT(client->keyboard), keyboard_name);
|
|
g_free (keyboard_name);
|
|
|
|
keyboard_id = eekboard_context_add_keyboard (client->context,
|
|
client->keyboard,
|
|
NULL);
|
|
eekboard_context_set_keyboard (client->context, keyboard_id, NULL);
|
|
if (show)
|
|
eekboard_context_show_keyboard (client->context, NULL);
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
set_xkl_keyboard (EekboardClient *client,
|
|
gboolean show,
|
|
const gchar *model,
|
|
const gchar *layouts,
|
|
const gchar *options)
|
|
{
|
|
EekLayout *layout;
|
|
gboolean retval;
|
|
|
|
if (client->keyboard)
|
|
g_object_unref (client->keyboard);
|
|
layout = eek_xkl_layout_new ();
|
|
|
|
if (model) {
|
|
if (!eek_xkl_layout_set_model (EEK_XKL_LAYOUT(layout), model)) {
|
|
g_object_unref (layout);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
if (layouts) {
|
|
XklConfigRec *rec;
|
|
|
|
rec = eekboard_xkl_config_rec_new_from_string (layouts);
|
|
if (!eek_xkl_layout_set_layouts (EEK_XKL_LAYOUT(layout),
|
|
rec->layouts)) {
|
|
g_object_unref (rec);
|
|
g_object_unref (layout);
|
|
return FALSE;
|
|
}
|
|
|
|
if (!eek_xkl_layout_set_variants (EEK_XKL_LAYOUT(layout),
|
|
rec->variants)) {
|
|
g_object_unref (rec);
|
|
g_object_unref (layout);
|
|
return FALSE;
|
|
}
|
|
|
|
g_object_unref (rec);
|
|
}
|
|
|
|
if (options) {
|
|
gchar **_options;
|
|
|
|
_options = g_strsplit (options, ",", -1);
|
|
if (!eek_xkl_layout_set_options (EEK_XKL_LAYOUT(layout), _options)) {
|
|
g_strfreev (_options);
|
|
g_object_unref (layout);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
retval = set_keyboard (client, show, layout);
|
|
g_object_unref (layout);
|
|
return retval;
|
|
}
|
|
|
|
static void
|
|
on_xkl_state_changed (XklEngine *xklengine,
|
|
XklEngineStateChange type,
|
|
gint value,
|
|
gboolean restore,
|
|
gpointer user_data)
|
|
{
|
|
EekboardClient *client = user_data;
|
|
|
|
if (type == GROUP_CHANGED && client->keyboard) {
|
|
gint group = eek_element_get_group (EEK_ELEMENT(client->keyboard));
|
|
if (group != value) {
|
|
eekboard_context_set_group (client->context, value, NULL);
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef HAVE_FAKEKEY
|
|
G_INLINE_FUNC FakeKeyModifier
|
|
get_fakekey_modifiers (EekModifierType modifiers)
|
|
{
|
|
FakeKeyModifier retval = 0;
|
|
|
|
if (modifiers & EEK_SHIFT_MASK)
|
|
retval |= FAKEKEYMOD_SHIFT;
|
|
if (modifiers & EEK_CONTROL_MASK)
|
|
retval |= FAKEKEYMOD_CONTROL;
|
|
if (modifiers & EEK_MOD1_MASK)
|
|
retval |= FAKEKEYMOD_ALT;
|
|
if (modifiers & EEK_META_MASK)
|
|
retval |= FAKEKEYMOD_META;
|
|
|
|
return retval;
|
|
}
|
|
|
|
static void
|
|
on_key_pressed (EekKeyboard *keyboard,
|
|
EekKey *key,
|
|
gpointer user_data)
|
|
{
|
|
EekboardClient *client = user_data;
|
|
EekSymbol *symbol;
|
|
|
|
g_assert (client->fakekey);
|
|
|
|
symbol = eek_key_get_symbol_with_fallback (key, 0, 0);
|
|
if (EEK_IS_KEYSYM(symbol) && !eek_symbol_is_modifier (symbol)) {
|
|
guint xkeysym;
|
|
guint keycode;
|
|
EekModifierType modifiers;
|
|
FakeKeyModifier fakekey_modifiers;
|
|
|
|
xkeysym = eek_keysym_get_xkeysym (EEK_KEYSYM(symbol));
|
|
g_return_if_fail (xkeysym > 0);
|
|
keycode = XKeysymToKeycode (GDK_DISPLAY_XDISPLAY (client->display),
|
|
xkeysym);
|
|
g_return_if_fail (keycode > 0);
|
|
|
|
modifiers = eek_keyboard_get_modifiers (client->keyboard);
|
|
fakekey_modifiers = get_fakekey_modifiers (modifiers);
|
|
|
|
fakekey_send_keyevent (client->fakekey,
|
|
keycode,
|
|
TRUE,
|
|
fakekey_modifiers);
|
|
fakekey_send_keyevent (client->fakekey,
|
|
keycode,
|
|
FALSE,
|
|
fakekey_modifiers);
|
|
}
|
|
}
|
|
|
|
static void
|
|
on_key_released (EekKeyboard *keyboard,
|
|
EekKey *key,
|
|
gpointer user_data)
|
|
{
|
|
EekboardClient *client = user_data;
|
|
|
|
g_assert (client->fakekey);
|
|
fakekey_release (client->fakekey);
|
|
}
|
|
|
|
gboolean
|
|
eekboard_client_enable_fakekey (EekboardClient *client)
|
|
{
|
|
if (!client->display) {
|
|
client->display = gdk_display_get_default ();
|
|
}
|
|
g_assert (client->display);
|
|
|
|
if (!client->fakekey) {
|
|
client->fakekey = fakekey_init (GDK_DISPLAY_XDISPLAY (client->display));
|
|
}
|
|
g_assert (client->fakekey);
|
|
|
|
client->key_pressed_handler =
|
|
g_signal_connect (client->keyboard, "key-pressed",
|
|
G_CALLBACK(on_key_pressed), client);
|
|
client->key_released_handler =
|
|
g_signal_connect (client->keyboard, "key-released",
|
|
G_CALLBACK(on_key_released), client);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
void
|
|
eekboard_client_disable_fakekey (EekboardClient *client)
|
|
{
|
|
if (client->fakekey)
|
|
fakekey_release (client->fakekey);
|
|
|
|
if (g_signal_handler_is_connected (client->keyboard,
|
|
client->key_pressed_handler))
|
|
g_signal_handler_disconnect (client->keyboard,
|
|
client->key_pressed_handler);
|
|
if (g_signal_handler_is_connected (client->keyboard,
|
|
client->key_released_handler))
|
|
g_signal_handler_disconnect (client->keyboard,
|
|
client->key_released_handler);
|
|
}
|
|
|
|
gboolean
|
|
eekboard_client_load_keyboard_from_file (EekboardClient *client,
|
|
const gchar *keyboard_file)
|
|
{
|
|
GFile *file;
|
|
GFileInputStream *input;
|
|
GError *error;
|
|
EekLayout *layout;
|
|
EekKeyboard *keyboard;
|
|
guint keyboard_id;
|
|
gboolean retval;
|
|
|
|
file = g_file_new_for_path (keyboard_file);
|
|
|
|
error = NULL;
|
|
input = g_file_read (file, NULL, &error);
|
|
if (input == NULL)
|
|
return FALSE;
|
|
|
|
layout = eek_xml_layout_new (G_INPUT_STREAM(input));
|
|
g_object_unref (input);
|
|
retval = set_keyboard (client, TRUE, layout);
|
|
g_object_unref (layout);
|
|
return retval;
|
|
}
|
|
|
|
#endif /* HAVE_FAKEKEY */
|