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Recovering Traditional Chinese IM

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This commit is contained in:
Pere Pujal i Carabantes 2015-05-20 00:19:34 +02:00
parent 9adbd1e261
commit ee3529b7bf
1 changed files with 83 additions and 72 deletions
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155
src/im.c
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@ -744,7 +744,7 @@ static void im_event(IM_DATA* im)
{
SDL_Event event;
// event.key.keysym = 0;
event.key.keysym.sym = 0;
event.text.text[0] = '\0';
im_read(im, event);
@ -905,6 +905,12 @@ static int im_event_zh_tw(IM_DATA* im, SDL_Event event)
case SDLK_MODE: case SDLK_APPLICATION:
break;
/* This wasn't needed in SDL1.2 */
case SDLK_BACKSPACE:
im_fullreset(im);
im->s[0] = L'\b';
break;
/* Left-Alt & Right-Alt mapped to mode-switch */
case SDLK_RALT: case SDLK_LALT:
cm.section = (++cm.section % SEC_TOTAL); /* Change section */
@ -929,6 +935,8 @@ static int im_event_zh_tw(IM_DATA* im, SDL_Event event)
/* Actual character processing */
default:
if (event.type == SDL_TEXTINPUT)
{
/* English mode */
if(cm.section == SEC_ENGLISH) {
mbstowcs(im->s , event.text.text, 16);
@ -936,84 +944,87 @@ static int im_event_zh_tw(IM_DATA* im, SDL_Event event)
// im->s[1] = L'\0';
im->buf[0] = L'\0';
}
/* Thai mode */
else {
wchar_t u = event.text.text[0];
/* ZH_TW mode */
else
{
wchar_t u;
mbtowc(&u, event.text.text, 255);
im->s[0] = L'\0'; /* Zero-out output string */
wcsncat(im->buf, &u, 1); /* Copy new character */
im->s[0] = L'\0'; /* Zero-out output string */
wcsncat(im->buf, &u, 1); /* Copy new character */
/* Translate the characters */
im->redraw = 0;
while(1) {
const wchar_t* us = charmap_search(&cm, im->buf);
#ifdef IM_DEBUG
wprintf(L" [%8ls] [%8ls] %2d %2d\n", im->s, im->buf, wcslen(im->s), wcslen(im->buf));
#endif
/* Match was found? */
if(us && wcslen(us)) {
/* Translate the characters */
im->redraw = 0;
while(1) {
const wchar_t* us = charmap_search(&cm, im->buf);
#ifdef IM_DEBUG
wprintf(L" 1\n");
wprintf(L" [%8ls] [%8ls] %2d %2d\n", im->s, im->buf, wcslen(im->s), wcslen(im->buf));
#endif
wcscat(im->s, us);
/* Match was found? */
if(us && wcslen(us)) {
#ifdef IM_DEBUG
wprintf(L" 1\n");
#endif
/* Final match */
if(cm.match_is_final) {
wcs_lshift(im->buf, cm.match_count);
cm.match_count = 0;
cm.match_is_final = 0;
}
/* May need to be overwritten next time */
else {
im->redraw += wcslen(us);
break;
}
}
/* No match, but more data is in the buffer */
else if(wcslen(im->buf) > 0) {
/* If the input character has no state, it's its own state */
if(cm.match_count == 0) {
#ifdef IM_DEBUG
wprintf(L" 2a\n");
#endif
wcsncat(im->s, im->buf, 1);
wcs_lshift(im->buf, 1);
cm.match_is_final = 0;
}
/* If the matched characters didn't consume all, it's own state */
else if((size_t)cm.match_count != wcslen(im->buf)) {
#ifdef IM_DEBUG
wprintf(L" 2b (%2d)\n", cm.match_count);
#endif
wcsncat(im->s, im->buf, 1);
wcs_lshift(im->buf, 1);
cm.match_is_final = 0;
}
/* Otherwise it's just a part of a future input */
else {
#ifdef IM_DEBUG
wprintf(L" 2c (%2d)\n", cm.match_count);
#endif
wcscat(im->s, im->buf);
cm.match_is_final = 0;
im->redraw += wcslen(im->buf);
break;
}
}
/* No match and no more data in the buffer */
else {
#ifdef IM_DEBUG
wprintf(L" 3\n");
#endif
break;
}
wcscat(im->s, us);
/* Is this the end? */
if(cm.match_is_final) break;
}
}
/* Final match */
if(cm.match_is_final) {
wcs_lshift(im->buf, cm.match_count);
cm.match_count = 0;
cm.match_is_final = 0;
}
/* May need to be overwritten next time */
else {
im->redraw += wcslen(us);
break;
}
}
/* No match, but more data is in the buffer */
else if(wcslen(im->buf) > 0) {
/* If the input character has no state, it's its own state */
if(cm.match_count == 0) {
#ifdef IM_DEBUG
wprintf(L" 2a\n");
#endif
wcsncat(im->s, im->buf, 1);
wcs_lshift(im->buf, 1);
cm.match_is_final = 0;
}
/* If the matched characters didn't consume all, it's own state */
else if((size_t)cm.match_count != wcslen(im->buf)) {
#ifdef IM_DEBUG
wprintf(L" 2b (%2d)\n", cm.match_count);
#endif
wcsncat(im->s, im->buf, 1);
wcs_lshift(im->buf, 1);
cm.match_is_final = 0;
}
/* Otherwise it's just a part of a future input */
else {
#ifdef IM_DEBUG
wprintf(L" 2c (%2d)\n", cm.match_count);
#endif
wcscat(im->s, im->buf);
cm.match_is_final = 0;
im->redraw += wcslen(im->buf);
break;
}
}
/* No match and no more data in the buffer */
else {
#ifdef IM_DEBUG
wprintf(L" 3\n");
#endif
break;
}
/* Is this the end? */
if(cm.match_is_final) break;
}
}
}
}
return im->redraw;