diff options
Diffstat (limited to '3rdparty/SDL2/src/core/linux/SDL_ibus.c')
-rw-r--r-- | 3rdparty/SDL2/src/core/linux/SDL_ibus.c | 682 |
1 files changed, 0 insertions, 682 deletions
diff --git a/3rdparty/SDL2/src/core/linux/SDL_ibus.c b/3rdparty/SDL2/src/core/linux/SDL_ibus.c deleted file mode 100644 index 3d63b8b30c3..00000000000 --- a/3rdparty/SDL2/src/core/linux/SDL_ibus.c +++ /dev/null @@ -1,682 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org> - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. -*/ -#include "../../SDL_internal.h" - -#ifdef HAVE_IBUS_IBUS_H -#include "SDL.h" -#include "SDL_syswm.h" -#include "SDL_ibus.h" -#include "SDL_dbus.h" -#include "../../video/SDL_sysvideo.h" -#include "../../events/SDL_keyboard_c.h" - -#if SDL_VIDEO_DRIVER_X11 - #include "../../video/x11/SDL_x11video.h" -#endif - -#include <sys/inotify.h> -#include <unistd.h> -#include <fcntl.h> - -static const char IBUS_SERVICE[] = "org.freedesktop.IBus"; -static const char IBUS_PATH[] = "/org/freedesktop/IBus"; -static const char IBUS_INTERFACE[] = "org.freedesktop.IBus"; -static const char IBUS_INPUT_INTERFACE[] = "org.freedesktop.IBus.InputContext"; - -static char *input_ctx_path = NULL; -static SDL_Rect ibus_cursor_rect = { 0, 0, 0, 0 }; -static DBusConnection *ibus_conn = NULL; -static char *ibus_addr_file = NULL; -int inotify_fd = -1, inotify_wd = -1; - -static Uint32 -IBus_ModState(void) -{ - Uint32 ibus_mods = 0; - SDL_Keymod sdl_mods = SDL_GetModState(); - - /* Not sure about MOD3, MOD4 and HYPER mappings */ - if (sdl_mods & KMOD_LSHIFT) ibus_mods |= IBUS_SHIFT_MASK; - if (sdl_mods & KMOD_CAPS) ibus_mods |= IBUS_LOCK_MASK; - if (sdl_mods & KMOD_LCTRL) ibus_mods |= IBUS_CONTROL_MASK; - if (sdl_mods & KMOD_LALT) ibus_mods |= IBUS_MOD1_MASK; - if (sdl_mods & KMOD_NUM) ibus_mods |= IBUS_MOD2_MASK; - if (sdl_mods & KMOD_MODE) ibus_mods |= IBUS_MOD5_MASK; - if (sdl_mods & KMOD_LGUI) ibus_mods |= IBUS_SUPER_MASK; - if (sdl_mods & KMOD_RGUI) ibus_mods |= IBUS_META_MASK; - - return ibus_mods; -} - -static const char * -IBus_GetVariantText(DBusConnection *conn, DBusMessageIter *iter, SDL_DBusContext *dbus) -{ - /* The text we need is nested weirdly, use dbus-monitor to see the structure better */ - const char *text = NULL; - const char *struct_id = NULL; - DBusMessageIter sub1, sub2; - - if (dbus->message_iter_get_arg_type(iter) != DBUS_TYPE_VARIANT) { - return NULL; - } - - dbus->message_iter_recurse(iter, &sub1); - - if (dbus->message_iter_get_arg_type(&sub1) != DBUS_TYPE_STRUCT) { - return NULL; - } - - dbus->message_iter_recurse(&sub1, &sub2); - - if (dbus->message_iter_get_arg_type(&sub2) != DBUS_TYPE_STRING) { - return NULL; - } - - dbus->message_iter_get_basic(&sub2, &struct_id); - if (!struct_id || SDL_strncmp(struct_id, "IBusText", sizeof("IBusText")) != 0) { - return NULL; - } - - dbus->message_iter_next(&sub2); - dbus->message_iter_next(&sub2); - - if (dbus->message_iter_get_arg_type(&sub2) != DBUS_TYPE_STRING) { - return NULL; - } - - dbus->message_iter_get_basic(&sub2, &text); - - return text; -} - -static size_t -IBus_utf8_strlen(const char *str) -{ - size_t utf8_len = 0; - const char *p; - - for (p = str; *p; ++p) { - if (!((*p & 0x80) && !(*p & 0x40))) { - ++utf8_len; - } - } - - return utf8_len; -} - -static DBusHandlerResult -IBus_MessageHandler(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; - const char *text; - - dbus->message_iter_init(msg, &iter); - - 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; - const char *text; - - dbus->message_iter_init(msg, &iter); - text = IBus_GetVariantText(conn, &iter, dbus); - - if (text) { - char buf[SDL_TEXTEDITINGEVENT_TEXT_SIZE]; - size_t text_bytes = SDL_strlen(text), i = 0; - size_t cursor = 0; - - do { - 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; - } while (i < text_bytes); - } - - SDL_IBus_UpdateTextRect(NULL); - - return DBUS_HANDLER_RESULT_HANDLED; - } - - if (dbus->message_is_signal(msg, IBUS_INPUT_INTERFACE, "HidePreeditText")) { - SDL_SendEditingText("", 0, 0); - return DBUS_HANDLER_RESULT_HANDLED; - } - - return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; -} - -static char * -IBus_ReadAddressFromFile(const char *file_path) -{ - char addr_buf[1024]; - SDL_bool success = SDL_FALSE; - FILE *addr_file; - - addr_file = fopen(file_path, "r"); - if (!addr_file) { - return NULL; - } - - while (fgets(addr_buf, sizeof(addr_buf), addr_file)) { - if (SDL_strncmp(addr_buf, "IBUS_ADDRESS=", sizeof("IBUS_ADDRESS=")-1) == 0) { - size_t sz = SDL_strlen(addr_buf); - if (addr_buf[sz-1] == '\n') addr_buf[sz-1] = 0; - if (addr_buf[sz-2] == '\r') addr_buf[sz-2] = 0; - success = SDL_TRUE; - break; - } - } - - fclose(addr_file); - - if (success) { - return SDL_strdup(addr_buf + (sizeof("IBUS_ADDRESS=") - 1)); - } else { - return NULL; - } -} - -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); -} - -static SDL_bool IBus_CheckConnection(SDL_DBusContext *dbus); - -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 SDL_bool -IBus_SetupConnection(SDL_DBusContext *dbus, const char* addr) -{ - const char *path = NULL; - SDL_bool result = SDL_FALSE; - DBusMessage *msg; - 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); - - 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_CheckConnection(SDL_DBusContext *dbus) -{ - if (!dbus) return SDL_FALSE; - - if (ibus_conn && dbus->connection_get_is_connected(ibus_conn)) { - return SDL_TRUE; - } - - if (inotify_fd > 0 && inotify_wd > 0) { - char buf[1024]; - ssize_t readsize = read(inotify_fd, buf, sizeof(buf)); - if (readsize > 0) { - - char *p; - SDL_bool file_updated = SDL_FALSE; - - for (p = buf; p < buf + readsize; /**/) { - struct inotify_event *event = (struct inotify_event*) p; - if (event->len > 0) { - char *addr_file_no_path = SDL_strrchr(ibus_addr_file, '/'); - if (!addr_file_no_path) return SDL_FALSE; - - if (SDL_strcmp(addr_file_no_path + 1, event->name) == 0) { - file_updated = SDL_TRUE; - break; - } - } - - p += sizeof(struct inotify_event) + event->len; - } - - if (file_updated) { - char *addr = IBus_ReadAddressFromFile(ibus_addr_file); - if (addr) { - SDL_bool result = IBus_SetupConnection(dbus, addr); - SDL_free(addr); - return result; - } - } - } - } - - return SDL_FALSE; -} - -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; -} - -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_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); - } - } -} - -void -SDL_IBus_SetFocus(SDL_bool focused) -{ - const char *method = focused ? "FocusIn" : "FocusOut"; - IBus_SimpleMessage(method); -} - -void -SDL_IBus_Reset(void) -{ - IBus_SimpleMessage("Reset"); -} - -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) -{ - 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)) { - 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_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 */ - } - } -} - -#endif |