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152 lines (129 loc) · 4.44 KB
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2026 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"
#include "SDL_ime.h"
#include "SDL_ibus.h"
#include "SDL_fcitx.h"
typedef SDL_bool (*_SDL_IME_Init)(void);
typedef void (*_SDL_IME_Quit)(void);
typedef void (*_SDL_IME_SetFocus)(SDL_bool);
typedef void (*_SDL_IME_Reset)(void);
typedef SDL_bool (*_SDL_IME_ProcessKeyEvent)(Uint32, Uint32, Uint8 state);
typedef void (*_SDL_IME_UpdateTextRect)(const SDL_Rect *);
typedef void (*_SDL_IME_PumpEvents)(void);
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(void)
{
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, Uint8 state)
{
if (SDL_IME_ProcessKeyEvent_Real) {
return SDL_IME_ProcessKeyEvent_Real(keysym, keycode, state);
}
return SDL_FALSE;
}
void SDL_IME_UpdateTextRect(const SDL_Rect *rect)
{
if (SDL_IME_UpdateTextRect_Real) {
SDL_IME_UpdateTextRect_Real(rect);
}
}
void SDL_IME_PumpEvents(void)
{
if (SDL_IME_PumpEvents_Real) {
SDL_IME_PumpEvents_Real();
}
}
/* vi: set ts=4 sw=4 expandtab: */