SDL_bool
SDL_IBus_Init(void)
{
SDL_bool result = SDL_FALSE;
SDL_DBusContext *dbus = SDL_DBus_GetContext();
if(dbus){
char *addr_file = IBus_GetDBusAddressFilename();
if(!addr_file){
return SDL_FALSE;
}
ibus_addr_file = SDL_strdup(addr_file);
char *addr = IBus_ReadAddressFromFile(addr_file);
inotify_fd = inotify_init();
fcntl(inotify_fd, F_SETFL, O_NONBLOCK);
char *addr_file_dir = SDL_strrchr(addr_file, '/');
if(addr_file_dir){
*addr_file_dir = 0;
}
inotify_add_watch(inotify_fd, addr_file, IN_CREATE | IN_MODIFY);
SDL_free(addr_file);
result = IBus_SetupConnection(dbus, addr);
SDL_free(addr);
}
return result;
}
void
SDL_IBus_Quit(void)
{
SDL_DBusContext *dbus;
if (input_ctx_path) {
SDL_free(input_ctx_path);
input_ctx_path = NULL;
}
if (ibus_addr_file) {
SDL_free(ibus_addr_file);
ibus_addr_file = NULL;
}
dbus = SDL_DBus_GetContext();
if (dbus && ibus_conn) {
dbus->connection_close(ibus_conn);
dbus->connection_unref(ibus_conn);
}
if (inotify_fd > 0 && inotify_wd > 0) {
inotify_rm_watch(inotify_fd, inotify_wd);
inotify_wd = -1;
}
SDL_DelHintCallback(SDL_HINT_IME_INTERNAL_EDITING, &IBus_SetCapabilities, NULL);
SDL_memset(&ibus_cursor_rect, 0, sizeof(ibus_cursor_rect));
}
static void
IBus_SetCapabilities(void *data, const char *name, const char *old_val,
const char *internal_editing)
{
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,
"SetCapabilities");
if (msg) {
Uint32 caps = IBUS_CAP_FOCUS;
if (!(internal_editing && *internal_editing == '1')) {
caps |= 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);
}
}
}
static void
IBus_SimpleMessage(const char *method)
{
SDL_DBusContext *dbus = SDL_DBus_GetContext();
if (IBus_CheckConnection(dbus)) {
SDL_DBus_CallVoidMethodOnConnection(ibus_conn, IBUS_SERVICE, input_ctx_path, IBUS_INPUT_INTERFACE, method);
}
}
static void
rtkit_initialize()
{
SDL_DBusContext *dbus = SDL_DBus_GetContext();
/* Try getting minimum nice level: this is often greater than PRIO_MIN (-20). */
if (!dbus || !SDL_DBus_QueryPropertyOnConnection(dbus->system_conn, RTKIT_DBUS_NODE, RTKIT_DBUS_PATH, RTKIT_DBUS_INTERFACE, "MinNiceLevel",
DBUS_TYPE_INT32, &rtkit_min_nice_level)) {
rtkit_min_nice_level = -20;
}
}
void
SDL_IBus_PumpEvents(void)
{
SDL_DBusContext *dbus = SDL_DBus_GetContext();
if (IBus_CheckConnection(dbus)) {
dbus->connection_read_write(ibus_conn, 0);
while (dbus->connection_dispatch(ibus_conn) == DBUS_DISPATCH_DATA_REMAINS) {
/* Do nothing, actual work happens in IBus_MessageHandler */
}
}
}
static void
IBus_SetCapabilities(void *data, const char *name, const char *old_val,
const char *internal_editing)
{
SDL_DBusContext *dbus = SDL_DBus_GetContext();
if (IBus_CheckConnection(dbus)) {
Uint32 caps = IBUS_CAP_FOCUS;
if (!(internal_editing && *internal_editing == '1')) {
caps |= IBUS_CAP_PREEDIT_TEXT;
}
SDL_DBus_CallVoidMethod(IBUS_SERVICE, input_ctx_path, IBUS_INPUT_INTERFACE, "SetCapabilities",
DBUS_TYPE_UINT32, &caps, DBUS_TYPE_INVALID);
}
}
void
SDL_IBus_UpdateTextRect(SDL_Rect *rect)
{
SDL_Window *focused_win;
SDL_SysWMinfo info;
int x = 0, y = 0;
SDL_DBusContext *dbus;
if (rect) {
SDL_memcpy(&ibus_cursor_rect, rect, sizeof(ibus_cursor_rect));
}
focused_win = SDL_GetKeyboardFocus();
if (!focused_win) {
return;
}
SDL_VERSION(&info.version);
if (!SDL_GetWindowWMInfo(focused_win, &info)) {
return;
}
SDL_GetWindowPosition(focused_win, &x, &y);
#if SDL_VIDEO_DRIVER_X11
if (info.subsystem == SDL_SYSWM_X11) {
SDL_DisplayData *displaydata = (SDL_DisplayData *) SDL_GetDisplayForWindow(focused_win)->driverdata;
Display *x_disp = info.info.x11.display;
Window x_win = info.info.x11.window;
int x_screen = displaydata->screen;
Window unused;
X11_XTranslateCoordinates(x_disp, x_win, RootWindow(x_disp, x_screen), 0, 0, &x, &y, &unused);
}
#endif
x += ibus_cursor_rect.x;
y += ibus_cursor_rect.y;
dbus = SDL_DBus_GetContext();
if (IBus_CheckConnection(dbus)) {
SDL_DBus_CallVoidMethodOnConnection(ibus_conn, IBUS_SERVICE, input_ctx_path, IBUS_INPUT_INTERFACE, "SetCursorLocation",
DBUS_TYPE_INT32, &x, DBUS_TYPE_INT32, &y, DBUS_TYPE_INT32, &ibus_cursor_rect.w, DBUS_TYPE_INT32, &ibus_cursor_rect.h, DBUS_TYPE_INVALID);
}
}
SDL_bool
SDL_IBus_Init(void)
{
SDL_bool result = SDL_FALSE;
SDL_DBusContext *dbus = SDL_DBus_GetContext();
if (dbus) {
char *addr_file = IBus_GetDBusAddressFilename();
char *addr;
char *addr_file_dir;
if (!addr_file) {
return SDL_FALSE;
}
/* !!! FIXME: if ibus_addr_file != NULL, this will overwrite it and leak (twice!) */
ibus_addr_file = SDL_strdup(addr_file);
addr = IBus_ReadAddressFromFile(addr_file);
if (!addr) {
SDL_free(addr_file);
return SDL_FALSE;
}
if (inotify_fd < 0) {
inotify_fd = inotify_init();
fcntl(inotify_fd, F_SETFL, O_NONBLOCK);
}
addr_file_dir = SDL_strrchr(addr_file, '/');
if (addr_file_dir) {
*addr_file_dir = 0;
}
inotify_wd = inotify_add_watch(inotify_fd, addr_file, IN_CREATE | IN_MODIFY);
SDL_free(addr_file);
if (addr) {
result = IBus_SetupConnection(dbus, addr);
SDL_free(addr);
}
}
return result;
}
SDL_bool
SDL_Fcitx_Init()
{
fcitx_client.dbus = SDL_DBus_GetContext();
fcitx_client.cursor_rect.x = -1;
fcitx_client.cursor_rect.y = -1;
fcitx_client.cursor_rect.w = 0;
fcitx_client.cursor_rect.h = 0;
SDL_snprintf(fcitx_client.servicename, IC_NAME_MAX,
"%s-%d",
FCITX_DBUS_SERVICE, GetDisplayNumber());
FcitxClientCreateIC(&fcitx_client);
return SDL_TRUE;
}
static void
IBus_SimpleMessage(const char *method)
{
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,
method);
if (msg) {
if (dbus->connection_send(ibus_conn, msg, NULL)) {
dbus->connection_flush(ibus_conn);
}
dbus->message_unref(msg);
}
}
}
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
rtkit_setpriority(pid_t thread, int nice_level)
{
Uint64 ui64 = (Uint64)thread;
Sint32 si32 = (Sint32)nice_level;
SDL_DBusContext *dbus = SDL_DBus_GetContext();
pthread_once(&rtkit_initialize_once, rtkit_initialize);
if (si32 < rtkit_min_nice_level)
si32 = rtkit_min_nice_level;
if (!dbus || !SDL_DBus_CallMethodOnConnection(dbus->system_conn,
RTKIT_DBUS_NODE, RTKIT_DBUS_PATH, RTKIT_DBUS_INTERFACE, "MakeThreadHighPriority",
DBUS_TYPE_UINT64, &ui64, DBUS_TYPE_INT32, &si32, DBUS_TYPE_INVALID,
DBUS_TYPE_INVALID)) {
return SDL_FALSE;
}
return SDL_TRUE;
}
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;
}
void
SDL_IBus_UpdateTextRect(SDL_Rect *rect)
{
if(rect){
SDL_memcpy(&ibus_cursor_rect, rect, sizeof(ibus_cursor_rect));
}
SDL_Window *focused_win = SDL_GetFocusWindow();
if(!focused_win) return;
int x = 0, y = 0;
SDL_GetWindowPosition(focused_win, &x, &y);
x += ibus_cursor_rect.x;
y += ibus_cursor_rect.y;
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,
"SetCursorLocation");
if(msg){
dbus->message_append_args(msg,
DBUS_TYPE_INT32, &x,
DBUS_TYPE_INT32, &y,
DBUS_TYPE_INT32, &ibus_cursor_rect.w,
DBUS_TYPE_INT32, &ibus_cursor_rect.h,
DBUS_TYPE_INVALID);
}
if(msg){
if(dbus->connection_send(ibus_conn, msg, NULL)){
dbus->connection_flush(ibus_conn);
}
dbus->message_unref(msg);
}
}
}
void
SDL_IBus_Quit(void)
{
if(input_ctx_path){
SDL_free(input_ctx_path);
input_ctx_path = NULL;
}
if(ibus_addr_file){
SDL_free(ibus_addr_file);
ibus_addr_file = NULL;
}
SDL_DBusContext *dbus = SDL_DBus_GetContext();
if(dbus && ibus_conn){
dbus->connection_close(ibus_conn);
dbus->connection_unref(ibus_conn);
}
SDL_memset(&ibus_cursor_rect, 0, sizeof(ibus_cursor_rect));
}
static char *
IBus_GetDBusAddressFilename(void)
{
SDL_DBusContext *dbus;
const char *disp_env;
char config_dir[PATH_MAX];
char *display = NULL;
const char *addr;
const char *conf_env;
char *key;
char file_path[PATH_MAX];
const char *host;
char *disp_num, *screen_num;
if (ibus_addr_file) {
return SDL_strdup(ibus_addr_file);
}
dbus = SDL_DBus_GetContext();
if (!dbus) {
return NULL;
}
/* Use this environment variable if it exists. */
addr = SDL_getenv("IBUS_ADDRESS");
if (addr && *addr) {
return SDL_strdup(addr);
}
/* Otherwise, we have to get the hostname, display, machine id, config dir
and look up the address from a filepath using all those bits, eek. */
disp_env = SDL_getenv("DISPLAY");
if (!disp_env || !*disp_env) {
display = SDL_strdup(":0.0");
} else {
display = SDL_strdup(disp_env);
}
host = display;
disp_num = SDL_strrchr(display, ':');
screen_num = SDL_strrchr(display, '.');
if (!disp_num) {
SDL_free(display);
return NULL;
}
*disp_num = 0;
disp_num++;
if (screen_num) {
*screen_num = 0;
}
if (!*host) {
host = "unix";
}
SDL_memset(config_dir, 0, sizeof(config_dir));
conf_env = SDL_getenv("XDG_CONFIG_HOME");
if (conf_env && *conf_env) {
SDL_strlcpy(config_dir, conf_env, sizeof(config_dir));
} else {
const char *home_env = SDL_getenv("HOME");
if (!home_env || !*home_env) {
SDL_free(display);
return NULL;
}
SDL_snprintf(config_dir, sizeof(config_dir), "%s/.config", home_env);
}
key = dbus->get_local_machine_id();
SDL_memset(file_path, 0, sizeof(file_path));
SDL_snprintf(file_path, sizeof(file_path), "%s/ibus/bus/%s-%s-%s",
config_dir, key, host, disp_num);
dbus->free(key);
SDL_free(display);
return SDL_strdup(file_path);
}
