Move eekboard-client from src to examples; rename eekboard-desktop-client to eekboard.

This commit is contained in:
Daiki Ueno
2011-03-11 14:20:19 +09:00
parent ec56773dc6
commit 0177f96795
15 changed files with 500 additions and 504 deletions

718
src/client.c Normal file
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@ -0,0 +1,718 @@
/*
* Copyright (C) 2010-2011 Daiki Ueno <ueno@unixuser.org>
* Copyright (C) 2010-2011 Red Hat, Inc.
*
* 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 3 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/>.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif /* HAVE_CONFIG_H */
#include <libxklavier/xklavier.h>
#ifdef HAVE_CSPI
#include <cspi/spi.h>
#endif /* HAVE_CSPI */
#include <gdk/gdkx.h>
#ifdef HAVE_FAKEKEY
#include <fakekey/fakekey.h>
#endif /* HAVE_FAKEKEY */
#include "eek/eek.h"
#include "eek/eek-xkl.h"
#include "eekboard/eekboard.h"
#include "client.h"
#include "xklutil.h"
#define CSW 640
#define CSH 480
enum {
PROP_0,
PROP_CONNECTION,
PROP_EEKBOARD,
PROP_CONTEXT,
PROP_LAST
};
typedef struct _EekboardClientClass EekboardClientClass;
struct _EekboardClient {
GObject parent;
EekboardEekboard *eekboard;
EekboardContext *context;
EekKeyboard *keyboard;
GdkDisplay *display;
XklEngine *xkl_engine;
XklConfigRegistry *xkl_config_registry;
gulong xkl_config_changed_handler;
gulong xkl_state_changed_handler;
gulong key_pressed_handler;
gulong key_released_handler;
#ifdef HAVE_CSPI
Accessible *acc;
AccessibleEventListener *focus_listener;
AccessibleEventListener *keystroke_listener;
#endif /* HAVE_CSPI */
#ifdef HAVE_FAKEKEY
FakeKey *fakekey;
#endif /* HAVE_FAKEKEY */
};
struct _EekboardClientClass {
GObjectClass parent_class;
};
G_DEFINE_TYPE (EekboardClient, eekboard_client, G_TYPE_OBJECT);
static GdkFilterReturn filter_xkl_event (GdkXEvent *xev,
GdkEvent *event,
gpointer user_data);
static void on_xkl_config_changed
(XklEngine *xklengine,
gpointer user_data);
static void on_xkl_state_changed
(XklEngine *xklengine,
XklEngineStateChange type,
gint value,
gboolean restore,
gpointer user_data);
#ifdef HAVE_CSPI
static SPIBoolean focus_listener_cb (const AccessibleEvent *event,
void *user_data);
static SPIBoolean keystroke_listener_cb
(const AccessibleKeystroke *stroke,
void *user_data);
#endif /* HAVE_CSPI */
static gboolean set_keyboard (EekboardClient *client,
gboolean show,
const gchar *model,
const gchar *layouts,
const gchar *options);
static void
eekboard_client_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
EekboardClient *client = EEKBOARD_CLIENT(object);
GDBusConnection *connection;
switch (prop_id) {
case PROP_CONNECTION:
connection = g_value_get_object (value);
client->eekboard = eekboard_eekboard_new (connection, NULL);
if (client->eekboard != NULL) {
client->context =
eekboard_eekboard_create_context (client->eekboard,
"eekboard",
NULL);
if (client->context == NULL) {
g_object_unref (client->eekboard);
client->eekboard = NULL;
} else
eekboard_eekboard_push_context (client->eekboard,
client->context,
NULL);
}
break;
default:
g_object_set_property (object,
g_param_spec_get_name (pspec),
value);
break;
}
}
static void
eekboard_client_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
EekboardClient *client = EEKBOARD_CLIENT(object);
switch (prop_id) {
case PROP_EEKBOARD:
g_value_set_object (value, client->eekboard);
break;
case PROP_CONTEXT:
g_value_set_object (value, client->context);
break;
default:
g_object_get_property (object,
g_param_spec_get_name (pspec),
value);
break;
}
}
static void
eekboard_client_dispose (GObject *object)
{
EekboardClient *client = EEKBOARD_CLIENT(object);
eekboard_client_disable_xkl (client);
#ifdef HAVE_CSPI
eekboard_client_disable_cspi_focus (client);
eekboard_client_disable_cspi_keystroke (client);
#endif /* HAVE_CSPI */
#ifdef HAVE_FAKEKEY
eekboard_client_disable_fakekey (client);
#endif /* HAVE_FAKEKEY */
if (client->context) {
if (client->eekboard) {
eekboard_eekboard_pop_context (client->eekboard, NULL);
}
g_object_unref (client->context);
client->context = NULL;
}
if (client->eekboard) {
g_object_unref (client->eekboard);
client->eekboard = NULL;
}
if (client->keyboard) {
g_object_unref (client->keyboard);
client->keyboard = NULL;
}
#ifdef HAVE_FAKEKEY
if (client->fakekey) {
client->fakekey = NULL;
}
#endif /* HAVE_FAKEKEY */
if (client->display) {
gdk_display_close (client->display);
client->display = NULL;
}
G_OBJECT_CLASS (eekboard_client_parent_class)->dispose (object);
}
static void
eekboard_client_class_init (EekboardClientClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GParamSpec *pspec;
gobject_class->set_property = eekboard_client_set_property;
gobject_class->get_property = eekboard_client_get_property;
gobject_class->dispose = eekboard_client_dispose;
pspec = g_param_spec_object ("connection",
"Connection",
"Connection",
G_TYPE_DBUS_CONNECTION,
G_PARAM_CONSTRUCT_ONLY | G_PARAM_WRITABLE);
g_object_class_install_property (gobject_class,
PROP_CONNECTION,
pspec);
pspec = g_param_spec_object ("eekboard",
"Eekboard",
"Eekboard",
EEKBOARD_TYPE_EEKBOARD,
G_PARAM_READABLE);
g_object_class_install_property (gobject_class,
PROP_EEKBOARD,
pspec);
pspec = g_param_spec_object ("context",
"Context",
"Context",
EEKBOARD_TYPE_CONTEXT,
G_PARAM_READABLE);
g_object_class_install_property (gobject_class,
PROP_CONTEXT,
pspec);
}
static void
eekboard_client_init (EekboardClient *client)
{
client->eekboard = NULL;
client->context = NULL;
client->display = NULL;
client->xkl_engine = NULL;
client->xkl_config_registry = NULL;
client->keyboard = NULL;
client->key_pressed_handler = 0;
client->key_released_handler = 0;
client->xkl_config_changed_handler = 0;
client->xkl_state_changed_handler = 0;
#ifdef HAVE_CSPI
client->focus_listener = NULL;
client->keystroke_listener = NULL;
#endif /* HAVE_CSPI */
#ifdef HAVE_FAKEKEY
client->fakekey = NULL;
#endif /* HAVE_FAKEKEY */
}
gboolean
eekboard_client_set_xkl_config (EekboardClient *client,
const gchar *model,
const gchar *layouts,
const gchar *options)
{
#ifdef HAVE_CSPI
return set_keyboard (client,
client->focus_listener ? FALSE : TRUE,
model,
layouts,
options);
#else
return set_keyboard (client,
TRUE,
model,
layouts,
options);
#endif
}
gboolean
eekboard_client_enable_xkl (EekboardClient *client)
{
if (!client->display) {
client->display = gdk_display_get_default ();
}
g_assert (client->display);
if (!client->xkl_engine) {
client->xkl_engine =
xkl_engine_get_instance (GDK_DISPLAY_XDISPLAY (client->display));
}
g_assert (client->xkl_engine);
if (!client->xkl_config_registry) {
client->xkl_config_registry =
xkl_config_registry_get_instance (client->xkl_engine);
xkl_config_registry_load (client->xkl_config_registry, FALSE);
}
client->xkl_config_changed_handler =
g_signal_connect (client->xkl_engine, "X-config-changed",
G_CALLBACK(on_xkl_config_changed), client);
client->xkl_state_changed_handler =
g_signal_connect (client->xkl_engine, "X-state-changed",
G_CALLBACK(on_xkl_state_changed), client);
gdk_window_add_filter (NULL,
(GdkFilterFunc) filter_xkl_event,
client);
gdk_window_add_filter (gdk_get_default_root_window (),
(GdkFilterFunc) filter_xkl_event,
client);
xkl_engine_start_listen (client->xkl_engine, XKLL_TRACK_KEYBOARD_STATE);
#ifdef HAVE_CSPI
return set_keyboard (client, client->focus_listener ? FALSE : TRUE,
NULL, NULL, NULL);
#else
return set_keyboard (client, TRUE, NULL, NULL, NULL);
#endif
}
void
eekboard_client_disable_xkl (EekboardClient *client)
{
if (client->xkl_engine)
xkl_engine_stop_listen (client->xkl_engine, XKLL_TRACK_KEYBOARD_STATE);
if (g_signal_handler_is_connected (client->xkl_engine,
client->xkl_config_changed_handler))
g_signal_handler_disconnect (client->xkl_engine,
client->xkl_config_changed_handler);
if (g_signal_handler_is_connected (client->xkl_engine,
client->xkl_state_changed_handler))
g_signal_handler_disconnect (client->xkl_engine,
client->xkl_state_changed_handler);
}
#ifdef HAVE_CSPI
gboolean
eekboard_client_enable_cspi_focus (EekboardClient *client)
{
client->focus_listener = SPI_createAccessibleEventListener
((AccessibleEventListenerCB)focus_listener_cb,
client);
if (!SPI_registerGlobalEventListener (client->focus_listener,
"object:state-changed:focused"))
return FALSE;
if (!SPI_registerGlobalEventListener (client->focus_listener,
"focus:"))
return FALSE;
return TRUE;
}
void
eekboard_client_disable_cspi_focus (EekboardClient *client)
{
if (client->focus_listener) {
SPI_deregisterGlobalEventListenerAll (client->focus_listener);
AccessibleEventListener_unref (client->focus_listener);
client->focus_listener = NULL;
}
}
gboolean
eekboard_client_enable_cspi_keystroke (EekboardClient *client)
{
client->keystroke_listener =
SPI_createAccessibleKeystrokeListener (keystroke_listener_cb,
client);
if (!SPI_registerAccessibleKeystrokeListener
(client->keystroke_listener,
SPI_KEYSET_ALL_KEYS,
0,
SPI_KEY_PRESSED |
SPI_KEY_RELEASED,
SPI_KEYLISTENER_NOSYNC))
return FALSE;
return TRUE;
}
void
eekboard_client_disable_cspi_keystroke (EekboardClient *client)
{
if (client->keystroke_listener) {
SPI_deregisterAccessibleKeystrokeListener (client->keystroke_listener,
0);
AccessibleKeystrokeListener_unref (client->keystroke_listener);
client->keystroke_listener = NULL;
}
}
static SPIBoolean
focus_listener_cb (const AccessibleEvent *event,
void *user_data)
{
EekboardClient *client = user_data;
Accessible *accessible = event->source;
AccessibleStateSet *state_set = Accessible_getStateSet (accessible);
AccessibleRole role = Accessible_getRole (accessible);
if (AccessibleStateSet_contains (state_set, SPI_STATE_EDITABLE) ||
role == SPI_ROLE_TERMINAL) {
switch (role) {
case SPI_ROLE_TEXT:
case SPI_ROLE_PARAGRAPH:
case SPI_ROLE_PASSWORD_TEXT:
case SPI_ROLE_TERMINAL:
if (strncmp (event->type, "focus", 5) == 0 || event->detail1 == 1) {
client->acc = accessible;
eekboard_context_show_keyboard (client->context, NULL);
} else if (event->detail1 == 0 && accessible == client->acc) {
client->acc = NULL;
eekboard_context_hide_keyboard (client->context, NULL);
}
break;
case SPI_ROLE_ENTRY:
if (strncmp (event->type, "focus", 5) == 0 || event->detail1 == 1) {
client->acc = accessible;
eekboard_context_show_keyboard (client->context, NULL);
} else if (event->detail1 == 0) {
client->acc = NULL;
eekboard_context_hide_keyboard (client->context, NULL);
}
break;
default:
;
}
} else {
eekboard_context_hide_keyboard (client->context, NULL);
}
return FALSE;
}
static SPIBoolean
keystroke_listener_cb (const AccessibleKeystroke *stroke,
void *user_data)
{
EekboardClient *client = user_data;
EekKey *key;
/* Ignore modifiers since the keystroke listener does not called
when a modifier key is released. */
key = eek_keyboard_find_key_by_keycode (client->keyboard,
stroke->keycode);
if (key) {
EekSymbol *symbol = eek_key_get_symbol_with_fallback (key, 0, 0);
if (symbol && eek_symbol_is_modifier (symbol))
return FALSE;
}
if (stroke->type == SPI_KEY_PRESSED) {
eekboard_context_press_key (client->context, stroke->keycode, NULL);
} else {
eekboard_context_release_key (client->context, stroke->keycode, NULL);
}
return TRUE;
}
#endif /* HAVE_CSPI */
EekboardClient *
eekboard_client_new (GDBusConnection *connection)
{
EekboardClient *client = g_object_new (EEKBOARD_TYPE_CLIENT,
"connection", connection,
NULL);
if (client->context)
return client;
return NULL;
}
static GdkFilterReturn
filter_xkl_event (GdkXEvent *xev,
GdkEvent *event,
gpointer user_data)
{
EekboardClient *client = user_data;
XEvent *xevent = (XEvent *)xev;
xkl_engine_filter_events (client->xkl_engine, xevent);
return GDK_FILTER_CONTINUE;
}
static void
on_xkl_config_changed (XklEngine *xklengine,
gpointer user_data)
{
EekboardClient *client = user_data;
gboolean retval;
retval = set_keyboard (client, FALSE, NULL, NULL, NULL);
g_return_if_fail (retval);
#ifdef HAVE_FAKEKEY
if (client->fakekey)
fakekey_reload_keysyms (client->fakekey);
#endif /* HAVE_FAKEKEY */
}
static gboolean
set_keyboard (EekboardClient *client,
gboolean show,
const gchar *model,
const gchar *layouts,
const gchar *options)
{
EekLayout *layout;
gchar *keyboard_name;
static gint keyboard_serial = 0;
guint keyboard_id;
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;
}
}
client->keyboard = eek_keyboard_new (layout, CSW, CSH);
eek_keyboard_set_modifier_behavior (client->keyboard,
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 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 = eek_keysym_get_xkeysym (EEK_KEYSYM(symbol));
guint keycode =
XKeysymToKeycode (GDK_DISPLAY_XDISPLAY (client->display), xkeysym);
EekModifierType modifiers =
eek_keyboard_get_modifiers (client->keyboard);
FakeKeyModifier 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);
}
#endif /* HAVE_FAKEKEY */