SDL  2.0
SDL_ime.c
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1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
4 
5  This software is provided 'as-is', without any express or implied
6  warranty. In no event will the authors be held liable for any damages
7  arising from the use of this software.
8 
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
12 
13  1. The origin of this software must not be misrepresented; you must not
14  claim that you wrote the original software. If you use this software
15  in a product, an acknowledgment in the product documentation would be
16  appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18  misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20 */
21 
22 #include "SDL_ime.h"
23 #include "SDL_ibus.h"
24 #include "SDL_fcitx.h"
25 
26 typedef SDL_bool (*_SDL_IME_Init)();
27 typedef void (*_SDL_IME_Quit)();
29 typedef void (*_SDL_IME_Reset)();
33 
41 
42 static void
44 {
45  static SDL_bool inited = SDL_FALSE;
46 #ifdef HAVE_FCITX_FRONTEND_H
47  const char *im_module = SDL_getenv("SDL_IM_MODULE");
48  const char *xmodifiers = SDL_getenv("XMODIFIERS");
49 #endif
50 
51  if (inited == SDL_TRUE)
52  return;
53 
54  inited = SDL_TRUE;
55 
56  /* See if fcitx IME support is being requested */
57 #ifdef HAVE_FCITX_FRONTEND_H
58  if (!SDL_IME_Init_Real &&
59  ((im_module && SDL_strcmp(im_module, "fcitx") == 0) ||
60  (!im_module && xmodifiers && SDL_strstr(xmodifiers, "@im=fcitx") != NULL))) {
68  }
69 #endif /* HAVE_FCITX_FRONTEND_H */
70 
71  /* default to IBus */
72 #ifdef HAVE_IBUS_IBUS_H
73  if (!SDL_IME_Init_Real) {
74  SDL_IME_Init_Real = SDL_IBus_Init;
75  SDL_IME_Quit_Real = SDL_IBus_Quit;
76  SDL_IME_SetFocus_Real = SDL_IBus_SetFocus;
77  SDL_IME_Reset_Real = SDL_IBus_Reset;
78  SDL_IME_ProcessKeyEvent_Real = SDL_IBus_ProcessKeyEvent;
79  SDL_IME_UpdateTextRect_Real = SDL_IBus_UpdateTextRect;
80  SDL_IME_PumpEvents_Real = SDL_IBus_PumpEvents;
81  }
82 #endif /* HAVE_IBUS_IBUS_H */
83 }
84 
87 {
88  InitIME();
89 
91  return SDL_IME_Init_Real();
92 
93  return SDL_FALSE;
94 }
95 
96 void
98 {
101 }
102 
103 void
105 {
107  SDL_IME_SetFocus_Real(focused);
108 }
109 
110 void
112 {
113  if (SDL_IME_Reset_Real)
115 }
116 
117 SDL_bool
119 {
121  return SDL_IME_ProcessKeyEvent_Real(keysym, keycode);
122 
123  return SDL_FALSE;
124 }
125 
126 void
128 {
131 }
132 
133 void
135 {
138 }
void SDL_IME_SetFocus(SDL_bool focused)
Definition: SDL_ime.c:104
void SDL_Fcitx_UpdateTextRect(SDL_Rect *rect)
void SDL_IME_Quit(void)
Definition: SDL_ime.c:97
SDL_Rect rect
Definition: testrelative.c:27
static _SDL_IME_Reset SDL_IME_Reset_Real
Definition: SDL_ime.c:37
static _SDL_IME_UpdateTextRect SDL_IME_UpdateTextRect_Real
Definition: SDL_ime.c:39
void SDL_IME_UpdateTextRect(SDL_Rect *rect)
Definition: SDL_ime.c:127
SDL_bool SDL_IME_ProcessKeyEvent(Uint32 keysym, Uint32 keycode)
Definition: SDL_ime.c:118
uint32_t Uint32
An unsigned 32-bit integer type.
Definition: SDL_stdinc.h:159
void(* _SDL_IME_UpdateTextRect)(SDL_Rect *)
Definition: SDL_ime.c:31
static _SDL_IME_Quit SDL_IME_Quit_Real
Definition: SDL_ime.c:35
SDL_bool SDL_Fcitx_Init(void)
void(* _SDL_IME_Reset)()
Definition: SDL_ime.c:29
static _SDL_IME_ProcessKeyEvent SDL_IME_ProcessKeyEvent_Real
Definition: SDL_ime.c:38
void SDL_Fcitx_PumpEvents()
void(* _SDL_IME_PumpEvents)()
Definition: SDL_ime.c:32
void SDL_Fcitx_Reset(void)
static _SDL_IME_Init SDL_IME_Init_Real
Definition: SDL_ime.c:34
#define SDL_getenv
void(* _SDL_IME_SetFocus)(SDL_bool)
Definition: SDL_ime.c:28
void SDL_IME_PumpEvents()
Definition: SDL_ime.c:134
#define NULL
Definition: begin_code.h:143
void SDL_Fcitx_Quit(void)
SDL_bool
Definition: SDL_stdinc.h:130
static _SDL_IME_SetFocus SDL_IME_SetFocus_Real
Definition: SDL_ime.c:36
void(* _SDL_IME_Quit)()
Definition: SDL_ime.c:27
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
SDL_bool SDL_Fcitx_ProcessKeyEvent(Uint32 keysym, Uint32 keycode)
void SDL_IME_Reset(void)
Definition: SDL_ime.c:111
SDL_bool SDL_IME_Init(void)
Definition: SDL_ime.c:86
void SDL_Fcitx_SetFocus(SDL_bool focused)
#define SDL_strcmp
static _SDL_IME_PumpEvents SDL_IME_PumpEvents_Real
Definition: SDL_ime.c:40
SDL_bool(* _SDL_IME_Init)()
Definition: SDL_ime.c:26
SDL_bool(* _SDL_IME_ProcessKeyEvent)(Uint32, Uint32)
Definition: SDL_ime.c:30
A rectangle, with the origin at the upper left.
Definition: SDL_rect.h:64
#define SDL_strstr
static void InitIME()
Definition: SDL_ime.c:43