static DBusHandlerResult
IBus_MessageFilter(DBusConnection *conn, DBusMessage *msg, void *user_data)
{
SDL_DBusContext *dbus = (SDL_DBusContext *)user_data;
if(dbus->message_is_signal(msg, IBUS_INPUT_INTERFACE, "CommitText")){
DBusMessageIter iter;
dbus->message_iter_init(msg, &iter);
const char *text = IBus_GetVariantText(conn, &iter, dbus);
if(text && *text){
char buf[SDL_TEXTEDITINGEVENT_TEXT_SIZE];
size_t text_bytes = SDL_strlen(text), i = 0;
while(i < text_bytes){
size_t sz = SDL_utf8strlcpy(buf, text+i, sizeof(buf));
SDL_SendKeyboardText(buf);
i += sz;
}
}
return DBUS_HANDLER_RESULT_HANDLED;
}
if(dbus->message_is_signal(msg, IBUS_INPUT_INTERFACE, "UpdatePreeditText")){
DBusMessageIter iter;
dbus->message_iter_init(msg, &iter);
const char *text = IBus_GetVariantText(conn, &iter, dbus);
if(text && *text){
char buf[SDL_TEXTEDITINGEVENT_TEXT_SIZE];
size_t text_bytes = SDL_strlen(text), i = 0;
size_t cursor = 0;
while(i < text_bytes){
size_t sz = SDL_utf8strlcpy(buf, text+i, sizeof(buf));
size_t chars = IBus_utf8_strlen(buf);
SDL_SendEditingText(buf, cursor, chars);
i += sz;
cursor += chars;
}
} else {
SDL_SendEditingText("", 0, 0);
}
SDL_IBus_UpdateTextRect(NULL);
return DBUS_HANDLER_RESULT_HANDLED;
}
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
void
X11_SetTextInputRect(_THIS, SDL_Rect *rect)
{
if (!rect) {
SDL_InvalidParamError("rect");
return;
}
#ifdef SDL_USE_IBUS
SDL_IBus_UpdateTextRect(rect);
#endif
}
SDL_bool
SDL_IBus_ProcessKeyEvent(Uint32 keysym, Uint32 keycode)
{
Uint32 result = 0;
SDL_DBusContext *dbus = SDL_DBus_GetContext();
if (IBus_CheckConnection(dbus)) {
Uint32 mods = IBus_ModState();
if (!SDL_DBus_CallMethodOnConnection(ibus_conn, IBUS_SERVICE, input_ctx_path, IBUS_INPUT_INTERFACE, "ProcessKeyEvent",
DBUS_TYPE_UINT32, &keysym, DBUS_TYPE_UINT32, &keycode, DBUS_TYPE_UINT32, &mods, DBUS_TYPE_INVALID,
DBUS_TYPE_BOOLEAN, &result, DBUS_TYPE_INVALID)) {
result = 0;
}
}
SDL_IBus_UpdateTextRect(NULL);
return result ? SDL_TRUE : SDL_FALSE;
}
static SDL_bool
IBus_SetupConnection(SDL_DBusContext *dbus, const char* addr)
{
const char *client_name = "SDL2_Application";
const char *path = NULL;
SDL_bool result = SDL_FALSE;
DBusObjectPathVTable ibus_vtable;
SDL_zero(ibus_vtable);
ibus_vtable.message_function = &IBus_MessageHandler;
ibus_conn = dbus->connection_open_private(addr, NULL);
if (!ibus_conn) {
return SDL_FALSE;
}
dbus->connection_flush(ibus_conn);
if (!dbus->bus_register(ibus_conn, NULL)) {
ibus_conn = NULL;
return SDL_FALSE;
}
dbus->connection_flush(ibus_conn);
if (SDL_DBus_CallMethodOnConnection(ibus_conn, IBUS_SERVICE, IBUS_PATH, IBUS_INTERFACE, "CreateInputContext",
DBUS_TYPE_STRING, &client_name, DBUS_TYPE_INVALID,
DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID)) {
SDL_free(input_ctx_path);
input_ctx_path = SDL_strdup(path);
SDL_AddHintCallback(SDL_HINT_IME_INTERNAL_EDITING, &IBus_SetCapabilities, NULL);
dbus->bus_add_match(ibus_conn, "type='signal',interface='org.freedesktop.IBus.InputContext'", NULL);
dbus->connection_try_register_object_path(ibus_conn, input_ctx_path, &ibus_vtable, dbus, NULL);
dbus->connection_flush(ibus_conn);
}
SDL_IBus_SetFocus(SDL_GetKeyboardFocus() != NULL);
SDL_IBus_UpdateTextRect(NULL);
return result;
}
SDL_bool
SDL_IBus_ProcessKeyEvent(Uint32 keysym, Uint32 keycode)
{
SDL_bool result = SDL_FALSE;
SDL_DBusContext *dbus = SDL_DBus_GetContext();
if (IBus_CheckConnection(dbus)) {
DBusMessage *msg = dbus->message_new_method_call(IBUS_SERVICE,
input_ctx_path,
IBUS_INPUT_INTERFACE,
"ProcessKeyEvent");
if (msg) {
Uint32 mods = IBus_ModState();
dbus->message_append_args(msg,
DBUS_TYPE_UINT32, &keysym,
DBUS_TYPE_UINT32, &keycode,
DBUS_TYPE_UINT32, &mods,
DBUS_TYPE_INVALID);
}
if (msg) {
DBusMessage *reply;
reply = dbus->connection_send_with_reply_and_block(ibus_conn, msg, 300, NULL);
if (reply) {
if (!dbus->message_get_args(reply, NULL,
DBUS_TYPE_BOOLEAN, &result,
DBUS_TYPE_INVALID)) {
result = SDL_FALSE;
}
dbus->message_unref(reply);
}
dbus->message_unref(msg);
}
}
SDL_IBus_UpdateTextRect(NULL);
return result;
}
static SDL_bool
IBus_SetupConnection(SDL_DBusContext *dbus, const char* addr)
{
const char *path = NULL;
SDL_bool result = SDL_FALSE;
DBusMessage *msg;
DBusObjectPathVTable ibus_vtable = {0};
ibus_vtable.message_function = &IBus_MessageHandler;
ibus_conn = dbus->connection_open_private(addr, NULL);
if (!ibus_conn) {
return SDL_FALSE;
}
dbus->connection_flush(ibus_conn);
if (!dbus->bus_register(ibus_conn, NULL)) {
ibus_conn = NULL;
return SDL_FALSE;
}
dbus->connection_flush(ibus_conn);
msg = dbus->message_new_method_call(IBUS_SERVICE, IBUS_PATH, IBUS_INTERFACE, "CreateInputContext");
if (msg) {
const char *client_name = "SDL2_Application";
dbus->message_append_args(msg,
DBUS_TYPE_STRING, &client_name,
DBUS_TYPE_INVALID);
}
if (msg) {
DBusMessage *reply;
reply = dbus->connection_send_with_reply_and_block(ibus_conn, msg, 1000, NULL);
if (reply) {
if (dbus->message_get_args(reply, NULL,
DBUS_TYPE_OBJECT_PATH, &path,
DBUS_TYPE_INVALID)) {
if (input_ctx_path) {
SDL_free(input_ctx_path);
}
input_ctx_path = SDL_strdup(path);
result = SDL_TRUE;
}
dbus->message_unref(reply);
}
dbus->message_unref(msg);
}
if (result) {
SDL_AddHintCallback(SDL_HINT_IME_INTERNAL_EDITING, &IBus_SetCapabilities, NULL);
dbus->bus_add_match(ibus_conn, "type='signal',interface='org.freedesktop.IBus.InputContext'", NULL);
dbus->connection_try_register_object_path(ibus_conn, input_ctx_path, &ibus_vtable, dbus, NULL);
dbus->connection_flush(ibus_conn);
}
SDL_IBus_SetFocus(SDL_GetKeyboardFocus() != NULL);
SDL_IBus_UpdateTextRect(NULL);
return result;
}
static SDL_bool
IBus_SetupConnection(SDL_DBusContext *dbus, const char* addr)
{
const char *path = NULL;
SDL_bool result = SDL_FALSE;
ibus_conn = dbus->connection_open_private(addr, NULL);
if(!ibus_conn){
return SDL_FALSE;
}
dbus->connection_flush(ibus_conn);
if(!dbus->bus_register(ibus_conn, NULL)){
ibus_conn = NULL;
return SDL_FALSE;
}
dbus->connection_flush(ibus_conn);
DBusMessage *msg = dbus->message_new_method_call(IBUS_SERVICE,
IBUS_PATH,
IBUS_INTERFACE,
"CreateInputContext");
if(msg){
const char *client_name = "SDL2_Application";
dbus->message_append_args(msg,
DBUS_TYPE_STRING, &client_name,
DBUS_TYPE_INVALID);
}
if(msg){
DBusMessage *reply;
reply = dbus->connection_send_with_reply_and_block(ibus_conn, msg, 1000, NULL);
if(reply){
if(dbus->message_get_args(reply, NULL,
DBUS_TYPE_OBJECT_PATH, &path,
DBUS_TYPE_INVALID)){
if(input_ctx_path){
SDL_free(input_ctx_path);
}
input_ctx_path = SDL_strdup(path);
result = SDL_TRUE;
}
dbus->message_unref(reply);
}
dbus->message_unref(msg);
}
if(result){
DBusMessage *msg = dbus->message_new_method_call(IBUS_SERVICE,
input_ctx_path,
IBUS_INPUT_INTERFACE,
"SetCapabilities");
if(msg){
Uint32 caps = IBUS_CAP_FOCUS | IBUS_CAP_PREEDIT_TEXT;
dbus->message_append_args(msg,
DBUS_TYPE_UINT32, &caps,
DBUS_TYPE_INVALID);
}
if(msg){
if(dbus->connection_send(ibus_conn, msg, NULL)){
dbus->connection_flush(ibus_conn);
}
dbus->message_unref(msg);
}
dbus->bus_add_match(ibus_conn, "type='signal',interface='org.freedesktop.IBus.InputContext'", NULL);
dbus->connection_add_filter(ibus_conn, &IBus_MessageFilter, dbus, NULL);
dbus->connection_flush(ibus_conn);
}
SDL_IBus_SetFocus(SDL_GetFocusWindow() != NULL);
SDL_IBus_UpdateTextRect(NULL);
return result;
}
