diff options
Diffstat (limited to 'ui.c')
| -rw-r--r-- | ui.c | 213 |
1 files changed, 39 insertions, 174 deletions
diff --git a/ui.c b/ui.c index 937fa63..72996c1 100644 --- a/ui.c +++ b/ui.c @@ -34,7 +34,8 @@ #define MIN(a, b) ((a) < (b) ? (a) : (b)) #define MAX(a, b) ((a) > (b) ? (a) : (b)) -#define CTRL(c) ((c) & 037) +#define CTRL(c) ((c) & 037) +#define UNCTRL(c) ((c) + '@') #ifndef A_ITALIC #define A_ITALIC A_NORMAL @@ -235,14 +236,6 @@ static void wordWrap(WINDOW *win, const wchar_t *str) { } } -enum { - IRC_BOLD = 0x02, - IRC_COLOR = 0x03, - IRC_REVERSE = 0x16, - IRC_RESET = 0x0F, - IRC_ITALIC = 0x1D, - IRC_UNDERLINE = 0x1F, -}; static const wchar_t IRC_CODES[] = { L' ', IRC_BOLD, @@ -324,199 +317,71 @@ static void logDown(void) { ui.scroll = MIN(ui.scroll + logHeight() / 2, LOG_LINES); } -enum { BUF_LEN = 512 }; -static struct { - wchar_t buf[BUF_LEN]; - wchar_t *ptr; - wchar_t *end; -} line = { .ptr = line.buf, .end = line.buf }; - -static void left(void) { - if (line.ptr > line.buf) line.ptr--; -} -static void right(void) { - if (line.ptr < line.end) line.ptr++; -} -static void home(void) { - line.ptr = line.buf; -} -static void end(void) { - line.ptr = line.end; -} - -static void kill(void) { - line.end = line.ptr; -} - -static void insert(wchar_t ch) { - if (line.end == &line.buf[BUF_LEN - 1]) return; - if (line.ptr != line.end) { - wmemmove(line.ptr + 1, line.ptr, line.end - line.ptr); - } - *line.ptr++ = ch; - line.end++; -} - -static void backspace(void) { - if (line.ptr == line.buf) return; - if (line.ptr != line.end) { - wmemmove(line.ptr - 1, line.ptr, line.end - line.ptr); - } - line.ptr--; - line.end--; -} - -static void delete(void) { - if (line.ptr == line.end) return; - right(); - backspace(); -} - -static void enter(void) { - if (line.end == line.buf) return; - *line.end = L'\0'; - char *str = awcstombs(line.buf); - if (!str) err(EX_DATAERR, "awcstombs"); - input(str); - free(str); - line.ptr = 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 bool keyChar(wint_t ch) { static bool esc, csi; - - if (csi) { - csi = false; - if (ch == L'O') logMark(); - return; - } - csi = (esc && ch == L'['); - esc = (ch == L'\33'); - if (csi) return; - + bool update = false; switch (ch) { break; case CTRL('L'): uiRedraw(); - break; case CTRL('B'): reject(); left(); - break; case CTRL('F'): reject(); right(); - break; case CTRL('A'): reject(); home(); - break; case CTRL('E'): reject(); end(); - break; case CTRL('D'): reject(); delete(); - break; case CTRL('K'): reject(); kill(); - break; case L'\b': reject(); backspace(); - break; case L'\177': reject(); backspace(); - break; case L'\t': complete(); - break; case L'\n': accept(); enter(); - break; case CTRL('C'): accept(); insert(IRC_COLOR); - break; case CTRL('N'): accept(); insert(IRC_RESET); - break; case CTRL('O'): accept(); insert(IRC_BOLD); - break; case CTRL('R'): accept(); insert(IRC_COLOR); - break; case CTRL('T'): accept(); insert(IRC_ITALIC); - break; case CTRL('U'): accept(); insert(IRC_UNDERLINE); - break; case CTRL('V'): accept(); insert(IRC_REVERSE); + break; case CTRL('['): esc = true; return false; + break; case L'\b': update = edit(esc, false, L'\b'); + break; case L'\177': update = edit(esc, false, L'\b'); + break; case L'\t': update = edit(esc, false, L'\t'); + break; case L'\n': update = edit(esc, false, L'\n'); break; default: { - if (iswprint(ch)) { - accept(); - insert(ch); + if (esc && ch == L'[') { + csi = true; + return false; + } else if (csi) { + if (ch == L'O') logMark(); + } else if (iswcntrl(ch)) { + update = edit(esc, true, UNCTRL(ch)); + } else { + update = edit(esc, false, ch); } } } + esc = false; + csi = false; + return update; } -static void keyCode(wint_t ch) { +static bool keyCode(wint_t ch) { switch (ch) { break; case KEY_RESIZE: uiResize(); break; case KEY_PPAGE: logUp(); break; case KEY_NPAGE: logDown(); - break; case KEY_LEFT: left(); - break; case KEY_RIGHT: right(); - break; case KEY_HOME: home(); - break; case KEY_END: end(); - break; case KEY_BACKSPACE: backspace(); - break; case KEY_DC: delete(); - break; case KEY_ENTER: enter(); + break; case KEY_LEFT: return edit(false, true, 'B'); + break; case KEY_RIGHT: return edit(false, true, 'F'); + break; case KEY_HOME: return edit(false, true, 'A'); + break; case KEY_END: return edit(false, true, 'E'); + break; case KEY_DC: return edit(false, true, 'D'); + break; case KEY_BACKSPACE: return edit(false, false, '\b'); + break; case KEY_ENTER: return edit(false, false, '\n'); } + return false; } void uiRead(void) { + bool update = false; int ret; wint_t ch; while (ERR != (ret = wget_wch(ui.input, &ch))) { if (ret == KEY_CODE_YES) { - keyCode(ch); + update |= keyCode(ch); } else { - keyChar(ch); + update |= keyChar(ch); } } + if (!update) return; wmove(ui.input, 1, 0); + addIRC(ui.input, editHead()); - ch = *line.ptr; - *line.ptr = L'\0'; - addIRC(ui.input, line.buf); - *line.ptr = ch; - - int _, x; - getyx(ui.input, _, x); + int y, x; + getyx(ui.input, y, x); - *line.end = L'\0'; - addIRC(ui.input, line.ptr); + addIRC(ui.input, editTail()); wclrtoeol(ui.input); - wmove(ui.input, 1, x); + wmove(ui.input, y, x); } |