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Add tab complete UI 

This definitely needs refactoring.
master
Curtis McEnroe 2018-08-07 23:03:08 -04:00
parent 43eee8da71
commit 9114d0555c
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GPG Key ID: CEA2F97ADCFCD77C
1 changed files with 78 additions and 17 deletions
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95
ui.c
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@ -369,26 +369,87 @@ static void enter(void) {
line.end = line.buf; line.end = line.buf;
} }
static struct {
wchar_t *word;
char *prefix;
} tab;
static void accept(void) {
if (!tab.word) return;
tab.word = NULL;
free(tab.prefix);
tabAccept();
}
static void reject(void) {
if (!tab.word) return;
tab.word = NULL;
free(tab.prefix);
tabReject();
}
static void complete(void) {
if (!tab.word) {
wchar_t ch = *line.ptr;
*line.ptr = L'\0';
tab.word = wcsrchr(line.buf, L' ');
tab.word = (tab.word ? &tab.word[1] : line.buf);
tab.prefix = awcstombs(tab.word);
if (!tab.prefix) err(EX_DATAERR, "awcstombs");
*line.ptr = ch;
}
const char *complete = tabNext(tab.prefix);
if (!complete) {
reject();
return;
}
wchar_t *wcs = ambstowcs(complete);
if (!wcs) err(EX_DATAERR, "ambstowcs");
size_t i;
for (i = 0; wcs[i] && line.ptr > &tab.word[i]; ++i) {
tab.word[i] = wcs[i];
}
while (line.ptr > &tab.word[i]) {
backspace();
}
for (; wcs[i]; ++i) {
insert(wcs[i]);
}
free(wcs);
if (tab.word == line.buf) insert(L':');
insert(L' ');
}
static void keyChar(wint_t ch) { static void keyChar(wint_t ch) {
switch (ch) { switch (ch) {
break; case CTRL('L'): uiRedraw(); break; case CTRL('L'): uiRedraw();
break; case CTRL('B'): left(); break; case CTRL('B'): reject(); left();
break; case CTRL('F'): right(); break; case CTRL('F'): reject(); right();
break; case CTRL('A'): home(); break; case CTRL('A'): reject(); home();
break; case CTRL('E'): end(); break; case CTRL('E'): reject(); end();
break; case CTRL('D'): delete(); break; case CTRL('D'): reject(); delete();
break; case CTRL('K'): kill(); break; case CTRL('K'): reject(); kill();
break; case '\b': backspace(); break; case L'\b': reject(); backspace();
break; case '\177': backspace(); break; case L'\177': reject(); backspace();
break; case '\n': enter(); break; case L'\t': complete();
break; case CTRL('C'): insert(IRC_COLOR); break; case L'\n': accept(); enter();
break; case CTRL('N'): insert(IRC_RESET); break; case CTRL('C'): accept(); insert(IRC_COLOR);
break; case CTRL('O'): insert(IRC_BOLD); break; case CTRL('N'): accept(); insert(IRC_RESET);
break; case CTRL('R'): insert(IRC_COLOR); break; case CTRL('O'): accept(); insert(IRC_BOLD);
break; case CTRL('T'): insert(IRC_ITALIC); break; case CTRL('R'): accept(); insert(IRC_COLOR);
break; case CTRL('U'): insert(IRC_UNDERLINE); break; case CTRL('T'): accept(); insert(IRC_ITALIC);
break; case CTRL('V'): insert(IRC_REVERSE); break; case CTRL('U'): accept(); insert(IRC_UNDERLINE);
break; default: if (iswprint(ch)) insert(ch); break; case CTRL('V'): accept(); insert(IRC_REVERSE);
break; default: {
if (iswprint(ch)) {
accept();
insert(ch);
}
}
} }
} }