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ibus: Try to use org.freedesktop.portal.IBus first if available.

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This should fix apps that want ibus support inside sandboxed environments
like FlatPak or Snaps.

Fixes #4706.
This commit is contained in:
Ryan C. Gordon 2022-11-16 23:39:41 -05:00
parent bb0b8adacc
commit a1702d463c
No known key found for this signature in database
GPG Key ID: FA148B892AB48044
1 changed files with 81 additions and 30 deletions
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111
src/core/linux/SDL_ibus.c
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@ -37,17 +37,27 @@
#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_SERVICE[] = "org.freedesktop.IBus";
static const char IBUS_INTERFACE[] = "org.freedesktop.IBus";
static const char IBUS_INPUT_INTERFACE[] = "org.freedesktop.IBus.InputContext";
static const char IBUS_PORTAL_SERVICE[] = "org.freedesktop.portal.IBus";
static const char IBUS_PORTAL_INTERFACE[] = "org.freedesktop.IBus.Portal";
static const char IBUS_PORTAL_INPUT_INTERFACE[] = "org.freedesktop.IBus.InputContext";
static const char *ibus_service = NULL;
static const char *ibus_interface = NULL;
static const char *ibus_input_interface = NULL;
static char *input_ctx_path = NULL;
static SDL_Rect ibus_cursor_rect = { 0, 0, 0, 0 };
static DBusConnection *ibus_conn = NULL;
static SDL_bool ibus_is_portal_interface = SDL_FALSE;
static char *ibus_addr_file = NULL;
static int inotify_fd = -1, inotify_wd = -1;
static Uint32
IBus_ModState(void)
{
@ -202,7 +212,7 @@ 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")) {
if (dbus->message_is_signal(msg, ibus_input_interface, "CommitText")) {
DBusMessageIter iter;
const char *text;
@ -224,7 +234,7 @@ IBus_MessageHandler(DBusConnection *conn, DBusMessage *msg, void *user_data)
return DBUS_HANDLER_RESULT_HANDLED;
}
if (dbus->message_is_signal(msg, IBUS_INPUT_INTERFACE, "UpdatePreeditText")) {
if (dbus->message_is_signal(msg, ibus_input_interface, "UpdatePreeditText")) {
DBusMessageIter iter;
const char *text;
@ -273,7 +283,7 @@ IBus_MessageHandler(DBusConnection *conn, DBusMessage *msg, void *user_data)
return DBUS_HANDLER_RESULT_HANDLED;
}
if (dbus->message_is_signal(msg, IBUS_INPUT_INTERFACE, "HidePreeditText")) {
if (dbus->message_is_signal(msg, ibus_input_interface, "HidePreeditText")) {
SDL_SendEditingText("", 0, 0);
return DBUS_HANDLER_RESULT_HANDLED;
}
@ -415,7 +425,7 @@ IBus_SetCapabilities(void *data, const char *name, const char *old_val,
caps |= IBUS_CAP_PREEDIT_TEXT;
}
SDL_DBus_CallVoidMethodOnConnection(ibus_conn, IBUS_SERVICE, input_ctx_path, IBUS_INPUT_INTERFACE, "SetCapabilities",
SDL_DBus_CallVoidMethodOnConnection(ibus_conn, ibus_service, input_ctx_path, ibus_input_interface, "SetCapabilities",
DBUS_TYPE_UINT32, &caps, DBUS_TYPE_INVALID);
}
}
@ -428,36 +438,56 @@ IBus_SetupConnection(SDL_DBusContext *dbus, const char* addr)
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);
/* try the portal interface first. Modern systems have this in general,
and sandbox things like FlakPak and Snaps, etc, require it. */
if (!ibus_conn) {
return SDL_FALSE;
ibus_is_portal_interface = SDL_TRUE;
ibus_service = IBUS_PORTAL_SERVICE;
ibus_interface = IBUS_PORTAL_INTERFACE;
ibus_input_interface = IBUS_PORTAL_INPUT_INTERFACE;
ibus_conn = dbus->session_conn;
result = 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);
if (!result) {
ibus_is_portal_interface = SDL_FALSE;
ibus_service = IBUS_SERVICE;
ibus_interface = IBUS_INTERFACE;
ibus_input_interface = IBUS_INPUT_INTERFACE;
ibus_conn = dbus->connection_open_private(addr, NULL);
if (!ibus_conn) {
return SDL_FALSE; /* oh well. */
}
dbus->connection_flush(ibus_conn);
if (!dbus->bus_register(ibus_conn, NULL)) {
ibus_conn = NULL;
return SDL_FALSE;
}
dbus->connection_flush(ibus_conn);
result = 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);
}
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)) {
if (result) {
char matchstr[128];
SDL_snprintf(matchstr, sizeof (matchstr), "type='signal',interface='%s'", ibus_input_interface);
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->bus_add_match(ibus_conn, matchstr, NULL);
dbus->connection_try_register_object_path(ibus_conn, input_ctx_path, &ibus_vtable, dbus, NULL);
dbus->connection_flush(ibus_conn);
result = SDL_TRUE;
}
SDL_IBus_SetFocus(SDL_GetKeyboardFocus() != NULL);
@ -551,6 +581,18 @@ SDL_IBus_Init(void)
result = IBus_SetupConnection(dbus, addr);
SDL_free(addr);
/* don't use the addr_file if using the portal interface. */
if (result && ibus_is_portal_interface) {
if (inotify_fd > 0) {
if (inotify_wd > 0) {
inotify_rm_watch(inotify_fd, inotify_wd);
inotify_wd = -1;
}
close(inotify_fd);
inotify_fd = -1;
}
}
}
return result;
@ -573,16 +615,25 @@ SDL_IBus_Quit(void)
dbus = SDL_DBus_GetContext();
if (dbus && ibus_conn) {
/* if using portal, ibus_conn == session_conn; don't release it here. */
if (dbus && ibus_conn && !ibus_is_portal_interface) {
dbus->connection_close(ibus_conn);
dbus->connection_unref(ibus_conn);
}
ibus_conn = NULL;
ibus_service = NULL;
ibus_interface = NULL;
ibus_input_interface = NULL;
ibus_is_portal_interface = SDL_FALSE;
if (inotify_fd > 0 && inotify_wd > 0) {
inotify_rm_watch(inotify_fd, inotify_wd);
inotify_wd = -1;
}
/* !!! FIXME: should we close(inotify_fd) here? */
SDL_DelHintCallback(SDL_HINT_IME_INTERNAL_EDITING, IBus_SetCapabilities, NULL);
SDL_memset(&ibus_cursor_rect, 0, sizeof(ibus_cursor_rect));
@ -594,7 +645,7 @@ IBus_SimpleMessage(const char *method)
SDL_DBusContext *dbus = SDL_DBus_GetContext();
if ((input_ctx_path != NULL) && (IBus_CheckConnection(dbus))) {
SDL_DBus_CallVoidMethodOnConnection(ibus_conn, IBUS_SERVICE, input_ctx_path, IBUS_INPUT_INTERFACE, method, DBUS_TYPE_INVALID);
SDL_DBus_CallVoidMethodOnConnection(ibus_conn, ibus_service, input_ctx_path, ibus_input_interface, method, DBUS_TYPE_INVALID);
}
}
@ -624,7 +675,7 @@ SDL_IBus_ProcessKeyEvent(Uint32 keysym, Uint32 keycode, Uint8 state)
if (state == SDL_RELEASED) {
mods |= (1 << 30); // IBUS_RELEASE_MASK
}
if (!SDL_DBus_CallMethodOnConnection(ibus_conn, IBUS_SERVICE, input_ctx_path, IBUS_INPUT_INTERFACE, "ProcessKeyEvent",
if (!SDL_DBus_CallMethodOnConnection(ibus_conn, ibus_service, input_ctx_path, ibus_input_interface, "ProcessKeyEvent",
DBUS_TYPE_UINT32, &keysym, DBUS_TYPE_UINT32, &ibus_keycode, DBUS_TYPE_UINT32, &mods, DBUS_TYPE_INVALID,
DBUS_TYPE_BOOLEAN, &result, DBUS_TYPE_INVALID)) {
result = 0;
@ -679,7 +730,7 @@ SDL_IBus_UpdateTextRect(const SDL_Rect *rect)
dbus = SDL_DBus_GetContext();
if (IBus_CheckConnection(dbus)) {
SDL_DBus_CallVoidMethodOnConnection(ibus_conn, IBUS_SERVICE, input_ctx_path, IBUS_INPUT_INTERFACE, "SetCursorLocation",
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);
}
}