| /* |
| Simple DirectMedia Layer |
| Copyright (C) 1997-2021 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_ime.h" |
| #include "SDL_ibus.h" |
| #include "SDL_fcitx.h" |
| |
| typedef SDL_bool (*_SDL_IME_Init)(); |
| typedef void (*_SDL_IME_Quit)(); |
| typedef void (*_SDL_IME_SetFocus)(SDL_bool); |
| typedef void (*_SDL_IME_Reset)(); |
| typedef SDL_bool (*_SDL_IME_ProcessKeyEvent)(Uint32, Uint32); |
| typedef void (*_SDL_IME_UpdateTextRect)(SDL_Rect *); |
| typedef void (*_SDL_IME_PumpEvents)(); |
| |
| static _SDL_IME_Init SDL_IME_Init_Real = NULL; |
| static _SDL_IME_Quit SDL_IME_Quit_Real = NULL; |
| static _SDL_IME_SetFocus SDL_IME_SetFocus_Real = NULL; |
| static _SDL_IME_Reset SDL_IME_Reset_Real = NULL; |
| static _SDL_IME_ProcessKeyEvent SDL_IME_ProcessKeyEvent_Real = NULL; |
| static _SDL_IME_UpdateTextRect SDL_IME_UpdateTextRect_Real = NULL; |
| static _SDL_IME_PumpEvents SDL_IME_PumpEvents_Real = NULL; |
| |
| static void |
| InitIME() |
| { |
| static SDL_bool inited = SDL_FALSE; |
| #ifdef HAVE_FCITX |
| const char *im_module = SDL_getenv("SDL_IM_MODULE"); |
| const char *xmodifiers = SDL_getenv("XMODIFIERS"); |
| #endif |
| |
| if (inited == SDL_TRUE) |
| return; |
| |
| inited = SDL_TRUE; |
| |
| /* See if fcitx IME support is being requested */ |
| #ifdef HAVE_FCITX |
| if (!SDL_IME_Init_Real && |
| ((im_module && SDL_strcmp(im_module, "fcitx") == 0) || |
| (!im_module && xmodifiers && SDL_strstr(xmodifiers, "@im=fcitx") != NULL))) { |
| SDL_IME_Init_Real = SDL_Fcitx_Init; |
| SDL_IME_Quit_Real = SDL_Fcitx_Quit; |
| SDL_IME_SetFocus_Real = SDL_Fcitx_SetFocus; |
| SDL_IME_Reset_Real = SDL_Fcitx_Reset; |
| SDL_IME_ProcessKeyEvent_Real = SDL_Fcitx_ProcessKeyEvent; |
| SDL_IME_UpdateTextRect_Real = SDL_Fcitx_UpdateTextRect; |
| SDL_IME_PumpEvents_Real = SDL_Fcitx_PumpEvents; |
| } |
| #endif /* HAVE_FCITX */ |
| |
| /* default to IBus */ |
| #ifdef HAVE_IBUS_IBUS_H |
| if (!SDL_IME_Init_Real) { |
| SDL_IME_Init_Real = SDL_IBus_Init; |
| SDL_IME_Quit_Real = SDL_IBus_Quit; |
| SDL_IME_SetFocus_Real = SDL_IBus_SetFocus; |
| SDL_IME_Reset_Real = SDL_IBus_Reset; |
| SDL_IME_ProcessKeyEvent_Real = SDL_IBus_ProcessKeyEvent; |
| SDL_IME_UpdateTextRect_Real = SDL_IBus_UpdateTextRect; |
| SDL_IME_PumpEvents_Real = SDL_IBus_PumpEvents; |
| } |
| #endif /* HAVE_IBUS_IBUS_H */ |
| } |
| |
| SDL_bool |
| SDL_IME_Init(void) |
| { |
| InitIME(); |
| |
| if (SDL_IME_Init_Real) { |
| if (SDL_IME_Init_Real()) { |
| return SDL_TRUE; |
| } |
| |
| /* uhoh, the IME implementation's init failed! Disable IME support. */ |
| SDL_IME_Init_Real = NULL; |
| SDL_IME_Quit_Real = NULL; |
| SDL_IME_SetFocus_Real = NULL; |
| SDL_IME_Reset_Real = NULL; |
| SDL_IME_ProcessKeyEvent_Real = NULL; |
| SDL_IME_UpdateTextRect_Real = NULL; |
| SDL_IME_PumpEvents_Real = NULL; |
| } |
| |
| return SDL_FALSE; |
| } |
| |
| void |
| SDL_IME_Quit(void) |
| { |
| if (SDL_IME_Quit_Real) |
| SDL_IME_Quit_Real(); |
| } |
| |
| void |
| SDL_IME_SetFocus(SDL_bool focused) |
| { |
| if (SDL_IME_SetFocus_Real) |
| SDL_IME_SetFocus_Real(focused); |
| } |
| |
| void |
| SDL_IME_Reset(void) |
| { |
| if (SDL_IME_Reset_Real) |
| SDL_IME_Reset_Real(); |
| } |
| |
| SDL_bool |
| SDL_IME_ProcessKeyEvent(Uint32 keysym, Uint32 keycode) |
| { |
| if (SDL_IME_ProcessKeyEvent_Real) |
| return SDL_IME_ProcessKeyEvent_Real(keysym, keycode); |
| |
| return SDL_FALSE; |
| } |
| |
| void |
| SDL_IME_UpdateTextRect(SDL_Rect *rect) |
| { |
| if (SDL_IME_UpdateTextRect_Real) |
| SDL_IME_UpdateTextRect_Real(rect); |
| } |
| |
| void |
| SDL_IME_PumpEvents() |
| { |
| if (SDL_IME_PumpEvents_Real) |
| SDL_IME_PumpEvents_Real(); |
| } |
| |
| /* vi: set ts=4 sw=4 expandtab: */ |