void scim_bridge_client_imcontext_finalize (GObject *object)
{
scim_bridge_pdebugln (5, "scim_bridge_client_imcontext_finalize ()");
ScimBridgeClientIMContext *imcontext = SCIM_BRIDGE_CLIENT_IMCONTEXT (object);
if (imcontext == focused_imcontext) scim_bridge_client_imcontext_focus_out (GTK_IM_CONTEXT (imcontext));
if (!scim_bridge_client_is_messenger_opened ()) {
scim_bridge_perrorln ("The messenger is now down");
} else if (scim_bridge_client_deregister_imcontext (imcontext)) {
scim_bridge_perrorln ("Failed to deregister an IMContext");
} else {
scim_bridge_pdebugln (3, "IMContext deregistered: id = %d", imcontext->id);
}
if (imcontext->client_window) g_object_unref (imcontext->client_window);
free (imcontext->preedit_string);
free (imcontext->commit_string);
if (imcontext->preedit_attributes != NULL)
pango_attr_list_unref (imcontext->preedit_attributes);
imcontext->preedit_attributes = NULL;
root_klass->finalize (object);
}
void scim_bridge_client_imcontext_initialize (ScimBridgeClientIMContext *imcontext, ScimBridgeClientIMContextClass *klass)
{
scim_bridge_pdebugln (5, "scim_bridge_client_imcontext_initialize ()");
imcontext->preedit_shown = FALSE;
imcontext->preedit_started = FALSE;
imcontext->preedit_cursor_position = 0;
imcontext->preedit_cursor_flicking = FALSE;
imcontext->preedit_string = malloc (sizeof (char));
imcontext->preedit_string[0] = '\0';
imcontext->preedit_string_capacity = 0;
imcontext->preedit_attributes = NULL;
imcontext->commit_string = malloc (sizeof (char));
imcontext->commit_string[0] = '\0';
imcontext->commit_string_capacity = 0;
imcontext->enabled = FALSE;
imcontext->client_window = NULL;
imcontext->id = -1;
if (!scim_bridge_client_is_messenger_opened ()) {
scim_bridge_perrorln ("The messenger is now down");
} else if (scim_bridge_client_register_imcontext (imcontext)) {
scim_bridge_perrorln ("Failed to register the IMContext");
} else {
scim_bridge_pdebugln (1, "IMContext registered: id = %d", imcontext->id);
}
}
/* Class functions */
gboolean scim_bridge_client_imcontext_filter_key_event (ClutterIMContext *context, ClutterKeyEvent *event)
{
scim_bridge_pdebugln (8, "scim_bridge_client_imcontext_filter_key_event ()");
ScimBridgeClientIMContext *imcontext = SCIM_BRIDGE_CLIENT_IMCONTEXT (context);
if (scim_bridge_client_is_messenger_opened () && imcontext != NULL ) {
if (context->actor != NULL) {
ClutterActor *stage = clutter_actor_get_stage (context->actor);
Window current_window, root, parent, *childs;
unsigned int nchild;
XWindowAttributes winattr;
Display *xdpy;
int new_window_x;
int new_window_y;
clutter_actor_get_transformed_position (context->actor, &new_window_x, &new_window_y);
xdpy = clutter_x11_get_default_display ();
current_window = clutter_x11_get_stage_window(CLUTTER_STAGE(stage));
while(1) {
XGetWindowAttributes (xdpy, current_window, &winattr);
new_window_x += winattr.x;
new_window_y += winattr.y;
XQueryTree(xdpy, current_window, &root, &parent, &childs, &nchild);
current_window = parent;
if (root == parent)
break;
}
if (imcontext->window_x != new_window_x || imcontext->window_y != new_window_y) {
imcontext->window_x = new_window_x;
imcontext->window_y = new_window_y;
scim_bridge_pdebugln (1,
"The cursor location is changed: x = %d + %d\ty = %d + %d",
imcontext->window_x, imcontext->cursor_x, imcontext->window_y, imcontext->cursor_y);
if (set_cursor_location (imcontext, new_window_x, new_window_y, imcontext->cursor_x, imcontext->cursor_y)) {
scim_bridge_perrorln ("An IOException occurred at scim_bridge_client_imcontext_filter_key_event ()");
return clutter_im_context_filter_keypress (fallback_imcontext, event);
}
}
}
boolean consumed = FALSE;
if (filter_key_event (imcontext, event, &consumed)) {
scim_bridge_perrorln ("An IOException occurred at scim_bridge_client_imcontext_filter_key_event ()");
} else if (consumed) {
return TRUE;
}
}
if (imcontext == NULL || !imcontext->enabled) {
return clutter_im_context_filter_keypress (fallback_imcontext, event);
}
return FALSE;
}
static retval_t filter_key_event (ScimBridgeClientIMContext *imcontext, ClutterKeyEvent *event, boolean *consumed)
{
scim_bridge_pdebugln (5, "filter_key_event ()");
if (focused_imcontext != imcontext) scim_bridge_client_imcontext_focus_in (CLUTTER_IM_CONTEXT (imcontext));
/* if the source is null, then it's the event we forward out, and we do not handle it again */
if (clutter_event_get_source ((ClutterEvent*) event) == NULL)
return RETVAL_SUCCEEDED;
focused_actor = clutter_event_get_source ((ClutterEvent*) event);
if (scim_bridge_client_is_messenger_opened ()) {
ScimBridgeKeyEvent *bridge_key_event = scim_bridge_alloc_key_event ();
scim_bridge_key_event_clutter_to_bridge (bridge_key_event, imcontext->client_stage, event);
*consumed = FALSE;
const retval_t retval_error = scim_bridge_client_handle_key_event (imcontext, bridge_key_event, consumed);
scim_bridge_free_key_event (bridge_key_event);
if (retval_error) {
scim_bridge_perrorln ("An IOException at filter_key_event ()");
} else {
return RETVAL_SUCCEEDED;
}
}
return RETVAL_FAILED;
}
}
void scim_bridge_client_imcontext_focus_out (GtkIMContext *context)
{
scim_bridge_pdebugln (8, "scim_bridge_client_imcontext_focus_out ()");
ScimBridgeClientIMContext *imcontext = SCIM_BRIDGE_CLIENT_IMCONTEXT (context);
focused_widget = NULL;
focused_imcontext = imcontext;
if (imcontext->preedit_shown) {
if (imcontext->enabled) {
scim_bridge_client_imcontext_set_preedit_shown (imcontext, FALSE);
scim_bridge_client_imcontext_update_preedit (imcontext);
} else {
gtk_im_context_reset (GTK_IM_CONTEXT (fallback_imcontext));
}
}
if (scim_bridge_client_is_messenger_opened () && imcontext != NULL) {
if (scim_bridge_client_change_focus (imcontext, FALSE)) {
scim_bridge_perrorln ("An IOException occurred at scim_bridge_client_imcontext_focus_out ()");
}
}
if (key_snooper_used) {
gtk_key_snooper_remove (key_snooper_id);
key_snooper_id = 0;
key_snooper_used = FALSE;
}
static gboolean key_snooper (GtkWidget *widget, GdkEventKey *event, gpointer data)
{
scim_bridge_pdebugln (7, "key_snooper ()");
if (!(event->send_event & SEND_EVENT_MASK) && scim_bridge_client_is_messenger_opened () && focused_imcontext != NULL) {
if (focused_imcontext->client_window != NULL) {
int new_window_x;
int new_window_y;
gdk_window_get_origin (focused_imcontext->client_window, &new_window_x, &new_window_y);
if (focused_imcontext->window_x != new_window_x || focused_imcontext->window_y != new_window_y) {
if (set_cursor_location (focused_imcontext, new_window_x, new_window_y, focused_imcontext->cursor_x, focused_imcontext->cursor_y)) {
scim_bridge_perrorln ("An IOException at key_snooper ()");
return FALSE;
}
}
}
boolean consumed = FALSE;
if (filter_key_event (focused_imcontext, event, &consumed)) {
scim_bridge_perrorln ("An IOException at key_snooper ()");
return FALSE;
} else {
if (consumed)
return TRUE;
}
}
return FALSE;
}
static retval_t set_cursor_location (ScimBridgeClientIMContext *imcontext, int window_x, int window_y, int cursor_x, int cursor_y)
{
scim_bridge_pdebugln (5, "set_cursor_location ()");
if (imcontext->window_x == window_x && imcontext->window_y == window_y && imcontext->cursor_x == cursor_x && imcontext->cursor_y == cursor_y) {
return RETVAL_SUCCEEDED;
} else {
imcontext->cursor_x = cursor_x;
imcontext->cursor_y = cursor_y;
imcontext->window_x = window_x;
imcontext->window_y = window_y;
scim_bridge_pdebugln (3, "The cursor location is changed: x = %d + %d\ty = %d + %d", imcontext->window_x, imcontext->cursor_x, imcontext->window_y, imcontext->cursor_y);
if (scim_bridge_client_is_messenger_opened ()) {
if (scim_bridge_client_set_cursor_location (imcontext, imcontext->window_x + imcontext->cursor_x, imcontext->window_y + imcontext->cursor_y)) {
scim_bridge_perrorln ("An IOException occurred at set_cursor_location ()");
return RETVAL_FAILED;
} else {
return RETVAL_SUCCEEDED;
}
}
}
return RETVAL_FAILED;
}
void scim_bridge_client_imcontext_initialize (ScimBridgeClientIMContext *imcontext, ScimBridgeClientIMContextClass *klass)
{
scim_bridge_pdebugln (5, "scim_bridge_client_imcontext_initialize ()");
/* slave exists for using gtk+'s table based input method */
imcontext->slave_preedit = FALSE;
imcontext->slave = gtk_im_context_simple_new ();
g_signal_connect(G_OBJECT(imcontext->slave),
"commit",
G_CALLBACK(gtk_im_slave_commit_cb),
imcontext);
g_signal_connect(G_OBJECT(imcontext->slave),
"preedit-changed",
G_CALLBACK(gtk_im_slave_preedit_changed_cb),
imcontext);
g_signal_connect(G_OBJECT(imcontext->slave),
"preedit-start",
G_CALLBACK(gtk_im_slave_preedit_start_cb),
imcontext);
g_signal_connect(G_OBJECT(imcontext->slave),
"preedit-end",
G_CALLBACK(gtk_im_slave_preedit_end_cb),
imcontext);
imcontext->preedit_shown = FALSE;
imcontext->preedit_started = FALSE;
imcontext->preedit_cursor_position = 0;
imcontext->preedit_cursor_flicking = FALSE;
imcontext->preedit_string = malloc (sizeof (char));
imcontext->preedit_string[0] = '\0';
imcontext->preedit_string_capacity = 0;
imcontext->preedit_attributes = NULL;
imcontext->commit_string = malloc (sizeof (char));
imcontext->commit_string[0] = '\0';
imcontext->commit_string_capacity = 0;
imcontext->enabled = FALSE;
imcontext->client_window = NULL;
imcontext->id = -1;
if (!scim_bridge_client_is_messenger_opened ()) {
scim_bridge_perrorln ("The messenger is now down");
} else if (scim_bridge_client_register_imcontext (imcontext)) {
scim_bridge_perrorln ("Failed to register the IMContext");
} else {
scim_bridge_pdebugln (1, "IMContext registered: id = %d", imcontext->id);
}
}
void scim_bridge_client_imcontext_focus_in (ClutterIMContext *context)
{
scim_bridge_pdebugln (8, "scim_bridge_client_imcontext_focus_in ()");
ScimBridgeClientIMContext *imcontext = SCIM_BRIDGE_CLIENT_IMCONTEXT (context);
if (focused_imcontext != NULL && focused_imcontext != imcontext) scim_bridge_client_imcontext_focus_out (CLUTTER_IM_CONTEXT (focused_imcontext));
focused_imcontext = imcontext;
if (!scim_bridge_client_is_messenger_opened () && scim_bridge_client_is_reconnection_enabled ()) {
scim_bridge_pdebugln (7, "Trying to open the connection again...");
scim_bridge_client_open_messenger ();
}
if (scim_bridge_client_is_messenger_opened () && imcontext != NULL) {
if (scim_bridge_client_change_focus (imcontext, TRUE)) {
scim_bridge_perrorln ("An IOException occurred at scim_bridge_client_imcontext_focus_in ()");
}
}
}
void scim_bridge_client_imcontext_show(ClutterIMContext *context)
{
scim_bridge_pdebugln (8, "scim_bridge_client_imcontext_show ()");
ScimBridgeClientIMContext *imcontext = SCIM_BRIDGE_CLIENT_IMCONTEXT (context);
if (scim_bridge_client_is_messenger_opened () && imcontext != NULL && !imcontext->enabled) {
scim_bridge_client_imcontext_focus_in (context);
if (scim_bridge_client_set_imcontext_enabled (imcontext, TRUE)) {
scim_bridge_perrorln ("An IOException occurred at scim_bridge_client_imcontext_show ()");
}
}
}
}
void scim_bridge_client_imcontext_set_preedit_enabled (GtkIMContext *context, gboolean enabled)
{
scim_bridge_pdebugln (8, "scim_bridge_client_imcontext_set_preedit_enabled ()");
ScimBridgeClientIMContext *imcontext = SCIM_BRIDGE_CLIENT_IMCONTEXT (context);
if (imcontext != NULL) {
if (scim_bridge_client_is_messenger_opened ()) {
if (scim_bridge_client_set_preedit_mode (imcontext, enabled ? PREEDIT_EMBEDDED:PREEDIT_ANY)) {
scim_bridge_perrorln ("An IOException occurred at scim_bridge_client_imcontext_set_preedit_enabled ()");
}
}
void scim_bridge_client_imcontext_reset (GtkIMContext *context)
{
scim_bridge_pdebugln (8, "scim_bridge_client_imcontext_reset ()");
ScimBridgeClientIMContext *imcontext = SCIM_BRIDGE_CLIENT_IMCONTEXT (context);
if (imcontext != focused_imcontext) return;
if (scim_bridge_client_is_messenger_opened () && imcontext != NULL) {
if (scim_bridge_client_reset_imcontext (imcontext)) {
scim_bridge_perrorln ("An IOException occurred at scim_bridge_client_imcontext_reset ()");
/* Class functions */
gboolean scim_bridge_client_imcontext_filter_key_event (GtkIMContext *context, GdkEventKey *event)
{
scim_bridge_pdebugln (8, "scim_bridge_client_imcontext_filter_key_event ()");
ScimBridgeClientIMContext *imcontext = SCIM_BRIDGE_CLIENT_IMCONTEXT (context);
if (!(event->send_event & SEND_EVENT_MASK) && scim_bridge_client_is_messenger_opened () && imcontext != NULL && !key_snooper_used) {
if (imcontext->client_window != NULL) {
int new_window_x;
int new_window_y;
gdk_window_get_origin (imcontext->client_window, &new_window_x, &new_window_y);
if (imcontext->window_x != new_window_x || imcontext->window_y != new_window_y) {
imcontext->window_x = new_window_x;
imcontext->window_y = new_window_y;
scim_bridge_pdebugln (1,
"The cursor location is changed: x = %d + %d\ty = %d + %d",
imcontext->window_x, imcontext->cursor_x, imcontext->window_y, imcontext->cursor_y);
if (set_cursor_location (imcontext, new_window_x, new_window_y, imcontext->cursor_x, imcontext->cursor_y)) {
scim_bridge_perrorln ("An IOException occurred at scim_bridge_client_imcontext_filter_key_event ()");
return gtk_im_context_filter_keypress (fallback_imcontext, event);
}
}
}
boolean consumed = FALSE;
if (filter_key_event (imcontext, event, &consumed)) {
scim_bridge_perrorln ("An IOException occurred at scim_bridge_client_imcontext_filter_key_event ()");
} else if (consumed) {
return TRUE;
}
}
unsigned int accelerator_mask = (gtk_accelerator_get_default_mod_mask () & ~GDK_SHIFT_MASK);
if (imcontext == NULL || !imcontext->enabled) {
return gtk_im_context_filter_keypress (fallback_imcontext, event);
} else if (event->type == GDK_KEY_PRESS && (event->state & accelerator_mask) == 0) {
guint32 wchar = gdk_keyval_to_unicode (event->keyval);
if (wchar != 0) {
gchar buffer[10];
const int buffer_length = g_unichar_to_utf8 (wchar, buffer);
buffer[buffer_length] = '\0';
g_signal_emit_by_name (focused_imcontext, "commit", &buffer);
return TRUE;
}
}
}
void scim_bridge_client_imcontext_focus_in (GtkIMContext *context)
{
scim_bridge_pdebugln (8, "scim_bridge_client_imcontext_focus_in ()");
ScimBridgeClientIMContext *imcontext = SCIM_BRIDGE_CLIENT_IMCONTEXT (context);
if (focused_imcontext != NULL && focused_imcontext != imcontext) scim_bridge_client_imcontext_focus_out (GTK_IM_CONTEXT (focused_imcontext));
focused_imcontext = imcontext;
if (!scim_bridge_client_is_messenger_opened () && scim_bridge_client_is_reconnection_enabled ()) {
scim_bridge_pdebugln (7, "Trying to open the connection again...");
scim_bridge_client_open_messenger ();
}
if (!key_snooper_used && is_key_snooper_enabled ()) {
key_snooper_id = gtk_key_snooper_install ((GtkKeySnoopFunc) &key_snooper, NULL);
key_snooper_used = TRUE;
}
if (scim_bridge_client_is_messenger_opened () && imcontext != NULL) {
if (scim_bridge_client_change_focus (imcontext, TRUE)) {
scim_bridge_perrorln ("An IOException occurred at scim_bridge_client_imcontext_focus_in ()");
void scim_bridge_client_imcontext_get_preedit_string (GtkIMContext *context, gchar **str, PangoAttrList **pango_attrs, gint *cursor_pos)
{
scim_bridge_pdebugln (4, "scim_bridge_client_imcontext_get_preedit_string ()");
ScimBridgeClientIMContext *imcontext = SCIM_BRIDGE_CLIENT_IMCONTEXT (context);
if (imcontext->slave_preedit) {
gtk_im_context_get_preedit_string (imcontext->slave, str, pango_attrs, cursor_pos);
return;
}
if (scim_bridge_client_is_messenger_opened () && imcontext != NULL && imcontext->preedit_shown) {
const size_t preedit_string_length = strlen (imcontext->preedit_string);
const size_t preedit_wstring_length = g_utf8_strlen (imcontext->preedit_string, -1);
if (str) {
if (preedit_string_length > 0) {
*str = g_strdup (imcontext->preedit_string);
} else {
*str = g_strdup ("");
}
}
if (cursor_pos) {
if (imcontext->preedit_cursor_position > preedit_wstring_length) {
*cursor_pos = preedit_wstring_length;
} else {
*cursor_pos = imcontext->preedit_cursor_position;
}
}
if (pango_attrs) {
*pango_attrs = imcontext->preedit_attributes;
pango_attr_list_ref (imcontext->preedit_attributes);
}
} else {
if (str) *str = g_strdup ("");
if (cursor_pos) *cursor_pos = 0;
if (pango_attrs) *pango_attrs = pango_attr_list_new ();
}
}
static gboolean key_snooper (GtkWidget *widget, GdkEventKey *event, gpointer data)
{
scim_bridge_pdebugln (7, "key_snooper ()");
if (focused_imcontext && scim_bridge_client_is_messenger_opened () &&
(event->type == GDK_KEY_PRESS || event->type == GDK_KEY_RELEASE) &&
!(event->send_event & SEND_EVENT_MASK)) {
if (focused_imcontext->client_window) {
int new_window_x;
int new_window_y;
gdk_window_get_origin (focused_imcontext->client_window, &new_window_x, &new_window_y);
if (focused_imcontext->window_x != new_window_x || focused_imcontext->window_y != new_window_y) {
scim_bridge_pdebugln (1,
"The cursor location is changed: x = %d + %d\ty = %d + %d",
new_window_x, focused_imcontext->cursor_x, new_window_y, focused_imcontext->cursor_y);
if (set_cursor_location (focused_imcontext, new_window_x, new_window_y, focused_imcontext->cursor_x, focused_imcontext->cursor_y)) {
scim_bridge_perrorln ("An IOException at key_snooper ()");
return FALSE;
}
}
}
boolean consumed = FALSE;
if (filter_key_event (focused_imcontext, event, &consumed)) {
scim_bridge_perrorln ("An IOException at key_snooper ()");
return FALSE;
} else {
if (consumed) {
g_signal_emit_by_name (focused_imcontext, "preedit-changed");
return TRUE;
}
}
}
return FALSE;
}
void scim_bridge_client_imcontext_focus_out (ClutterIMContext *context)
{
scim_bridge_pdebugln (8, "scim_bridge_client_imcontext_focus_out ()");
ScimBridgeClientIMContext *imcontext = SCIM_BRIDGE_CLIENT_IMCONTEXT (context);
focused_actor = NULL;
focused_imcontext = imcontext;
if (imcontext->preedit_shown) {
if (imcontext->enabled) {
scim_bridge_client_imcontext_set_preedit_shown (imcontext, FALSE);
scim_bridge_client_imcontext_update_preedit (imcontext);
} else {
clutter_im_context_reset (CLUTTER_IM_CONTEXT (fallback_imcontext));
}
}
if (scim_bridge_client_is_messenger_opened () && imcontext != NULL) {
if (scim_bridge_client_change_focus (imcontext, FALSE)) {
scim_bridge_perrorln ("An IOException occurred at scim_bridge_client_imcontext_focus_out ()");
}
}
focused_imcontext = NULL;
}
static retval_t filter_key_event (ScimBridgeClientIMContext *imcontext, GdkEventKey *event, boolean *consumed)
{
scim_bridge_pdebugln (5, "filter_key_event ()");
if (focused_imcontext != imcontext) scim_bridge_client_imcontext_focus_in (GTK_IM_CONTEXT (imcontext));
focused_widget = gtk_get_event_widget ((GdkEvent*) event);
if (scim_bridge_client_is_messenger_opened ()) {
ScimBridgeKeyEvent *bridge_key_event = scim_bridge_alloc_key_event ();
scim_bridge_key_event_gdk_to_bridge (bridge_key_event, imcontext->client_window, event);
*consumed = FALSE;
const retval_t retval_error = scim_bridge_client_handle_key_event (imcontext, bridge_key_event, consumed);
scim_bridge_free_key_event (bridge_key_event);
if (retval_error) {
scim_bridge_perrorln ("An IOException at filter_key_event ()");
} else {
return RETVAL_SUCCEEDED;
}
}
return RETVAL_FAILED;
}
