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Diffstat (limited to '3rdparty/SDL2/src/core/linux/SDL_ibus.c')
-rw-r--r--3rdparty/SDL2/src/core/linux/SDL_ibus.c682
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