SDL_ime.c
Go to the documentation of this file.
/*
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: */
SDL_IME_SetFocus
void SDL_IME_SetFocus(SDL_bool focused)
Definition: SDL_ime.c:116
SDL_ibus.h
SDL_ime.h
SDL_Fcitx_UpdateTextRect
void SDL_Fcitx_UpdateTextRect(SDL_Rect *rect)
SDL_TRUE
Definition: SDL_stdinc.h:142
SDL_IME_Quit
void SDL_IME_Quit(void)
Definition: SDL_ime.c:109
rect
SDL_Rect rect
Definition: testrelative.c:27
SDL_FALSE
Definition: SDL_stdinc.h:141
SDL_IME_Reset_Real
static _SDL_IME_Reset SDL_IME_Reset_Real
Definition: SDL_ime.c:37
SDL_IME_UpdateTextRect_Real
static _SDL_IME_UpdateTextRect SDL_IME_UpdateTextRect_Real
Definition: SDL_ime.c:39
SDL_IME_UpdateTextRect
void SDL_IME_UpdateTextRect(SDL_Rect *rect)
Definition: SDL_ime.c:139
SDL_IME_ProcessKeyEvent
SDL_bool SDL_IME_ProcessKeyEvent(Uint32 keysym, Uint32 keycode)
Definition: SDL_ime.c:130
Uint32
uint32_t Uint32
Definition: SDL_stdinc.h:181
_SDL_IME_UpdateTextRect
void(* _SDL_IME_UpdateTextRect)(SDL_Rect *)
Definition: SDL_ime.c:31
SDL_IME_Quit_Real
static _SDL_IME_Quit SDL_IME_Quit_Real
Definition: SDL_ime.c:35
SDL_Fcitx_Init
SDL_bool SDL_Fcitx_Init(void)
_SDL_IME_Reset
void(* _SDL_IME_Reset)()
Definition: SDL_ime.c:29
SDL_IME_ProcessKeyEvent_Real
static _SDL_IME_ProcessKeyEvent SDL_IME_ProcessKeyEvent_Real
Definition: SDL_ime.c:38
SDL_fcitx.h
_SDL_IME_PumpEvents
void(* _SDL_IME_PumpEvents)()
Definition: SDL_ime.c:32
SDL_Fcitx_Reset
void SDL_Fcitx_Reset(void)
SDL_IME_Init_Real
static _SDL_IME_Init SDL_IME_Init_Real
Definition: SDL_ime.c:34
SDL_Fcitx_PumpEvents
void SDL_Fcitx_PumpEvents(void)
SDL_getenv
#define SDL_getenv
Definition: SDL_dynapi_overrides.h:378
_SDL_IME_SetFocus
void(* _SDL_IME_SetFocus)(SDL_bool)
Definition: SDL_ime.c:28
SDL_IME_PumpEvents
void SDL_IME_PumpEvents()
Definition: SDL_ime.c:146
NULL
#define NULL
Definition: begin_code.h:164
SDL_Fcitx_Quit
void SDL_Fcitx_Quit(void)
SDL_bool
SDL_bool
Definition: SDL_stdinc.h:139
SDL_IME_SetFocus_Real
static _SDL_IME_SetFocus SDL_IME_SetFocus_Real
Definition: SDL_ime.c:36
_SDL_IME_Quit
void(* _SDL_IME_Quit)()
Definition: SDL_ime.c:27
SDL_Fcitx_ProcessKeyEvent
SDL_bool SDL_Fcitx_ProcessKeyEvent(Uint32 keysym, Uint32 keycode)
SDL_IME_Reset
void SDL_IME_Reset(void)
Definition: SDL_ime.c:123
void
SDL_PRINTF_FORMAT_STRING const char int SDL_PRINTF_FORMAT_STRING const char int SDL_PRINTF_FORMAT_STRING const char int SDL_PRINTF_FORMAT_STRING const char const char SDL_SCANF_FORMAT_STRING const char return SDL_ThreadFunction const char void return Uint32 return Uint32 void
Definition: SDL_dynapi_procs.h:89
SDL_IME_Init
SDL_bool SDL_IME_Init(void)
Definition: SDL_ime.c:86
SDL_Fcitx_SetFocus
void SDL_Fcitx_SetFocus(SDL_bool focused)
SDL_strcmp
#define SDL_strcmp
Definition: SDL_dynapi_overrides.h:417
SDL_IME_PumpEvents_Real
static _SDL_IME_PumpEvents SDL_IME_PumpEvents_Real
Definition: SDL_ime.c:40
_SDL_IME_Init
SDL_bool(* _SDL_IME_Init)()
Definition: SDL_ime.c:26
_SDL_IME_ProcessKeyEvent
SDL_bool(* _SDL_IME_ProcessKeyEvent)(Uint32, Uint32)
Definition: SDL_ime.c:30
SDL_Rect
A rectangle, with the origin at the upper left.
Definition: SDL_rect.h:64
SDL_strstr
#define SDL_strstr
Definition: SDL_dynapi_overrides.h:403
InitIME
static void InitIME()
Definition: SDL_ime.c:43