SDL  2.0
SDL_ime.c
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1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2018 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 
90  if (SDL_IME_Init_Real) {
91  if (SDL_IME_Init_Real()) {
92  return SDL_TRUE;
93  }
94 
95  /* uhoh, the IME implementation's init failed! Disable IME support. */
103  }
104 
105  return SDL_FALSE;
106 }
107 
108 void
110 {
111  if (SDL_IME_Quit_Real)
113 }
114 
115 void
117 {
119  SDL_IME_SetFocus_Real(focused);
120 }
121 
122 void
124 {
125  if (SDL_IME_Reset_Real)
127 }
128 
129 SDL_bool
131 {
133  return SDL_IME_ProcessKeyEvent_Real(keysym, keycode);
134 
135  return SDL_FALSE;
136 }
137 
138 void
140 {
143 }
144 
145 void
147 {
150 }
151 
152 /* vi: set ts=4 sw=4 expandtab: */
void SDL_IME_SetFocus(SDL_bool focused)
Definition: SDL_ime.c:116
void SDL_Fcitx_UpdateTextRect(SDL_Rect *rect)
void SDL_IME_Quit(void)
Definition: SDL_ime.c:109
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:139
SDL_bool SDL_IME_ProcessKeyEvent(Uint32 keysym, Uint32 keycode)
Definition: SDL_ime.c:130
uint32_t Uint32
Definition: SDL_stdinc.h:181
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_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
void SDL_Fcitx_PumpEvents(void)
#define SDL_getenv
void(* _SDL_IME_SetFocus)(SDL_bool)
Definition: SDL_ime.c:28
void SDL_IME_PumpEvents()
Definition: SDL_ime.c:146
#define NULL
Definition: begin_code.h:164
void SDL_Fcitx_Quit(void)
SDL_bool
Definition: SDL_stdinc.h:139
static _SDL_IME_SetFocus SDL_IME_SetFocus_Real
Definition: SDL_ime.c:36
void(* _SDL_IME_Quit)()
Definition: SDL_ime.c:27
SDL_bool SDL_Fcitx_ProcessKeyEvent(Uint32 keysym, Uint32 keycode)
void SDL_IME_Reset(void)
Definition: SDL_ime.c:123
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_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