diff options
Diffstat (limited to 'ThirdParty/SDL2/src/core/linux/SDL_ime.c')
| -rw-r--r-- | ThirdParty/SDL2/src/core/linux/SDL_ime.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/ThirdParty/SDL2/src/core/linux/SDL_ime.c b/ThirdParty/SDL2/src/core/linux/SDL_ime.c new file mode 100644 index 0000000..29b0182 --- /dev/null +++ b/ThirdParty/SDL2/src/core/linux/SDL_ime.c @@ -0,0 +1,152 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2018 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_FRONTEND_H + 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_FRONTEND_H + 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_FRONTEND_H */ + + /* 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: */ |