diff options
Diffstat (limited to '')
| -rw-r--r-- | terms.c | 274 |
1 files changed, 176 insertions, 98 deletions
@@ -1,4 +1,4 @@ -/* $Id: terms.c,v 1.21 2001/12/09 13:59:04 ukai Exp $ */ +/* $Id: terms.c,v 1.22 2001/12/12 17:04:21 ukai Exp $ */ /* * An original curses library for EUC-kanji by Akinori ITO, December 1989 * revised by Akinori ITO, January 1995 @@ -33,7 +33,11 @@ static int cwidth = 8, cheight = 16; static int xpix, ypix, nbs, obs = 0; #endif /* use_SYSMOUSE */ -static int is_xterm = 0; +#ifndef __CYGWIN__ +static +#endif +int is_xterm = 0; + void mouse_init(), mouse_end(); int mouseActive = 0; #endif /* USE_MOUSE */ @@ -58,11 +62,9 @@ extern int CodePage; static HANDLE hConIn; static int isWin95; static int isWinConsole; -static INPUT_RECORD *ConInV; +static char *ConInV; static int iConIn, nConIn, nConInMax; #ifdef USE_MOUSE -static char MouseConToXTerm[sizeof("\033[M !!") - sizeof("")]; -static int iMouseConToXTerm; static MOUSE_EVENT_RECORD lastConMouse; #endif @@ -109,42 +111,73 @@ init_win32_console_handle(void) } } +static void +expand_win32_console_input_buffer(int n) +{ + if (nConIn + n >= nConInMax) { + char *oldv; + + nConInMax = ((nConIn + n) / 2 + 1) * 3; + oldv = ConInV; + ConInV = GC_MALLOC_ATOMIC(nConInMax); + memcpy(ConInV, oldv, nConIn); + } +} + static int read_win32_console_input(void) { - INPUT_RECORD *p; + INPUT_RECORD rec; DWORD nevents; - if (nConIn >= nConInMax) { - INPUT_RECORD *oldv; + if (PeekConsoleInput(hConIn, &rec, 1, &nevents) && nevents) { + switch (rec.EventType) { + case KEY_EVENT: + expand_win32_console_input_buffer(3); - nConInMax = (nConInMax / 2 + 1) * 3; - oldv = ConInV; - ConInV = GC_MALLOC_ATOMIC(sizeof(ConInV[0]) * nConInMax); - memcpy(ConInV, oldv, sizeof(ConInV[0]) * nConIn); + if (ReadConsole(hConIn, &ConInV[nConIn], 1, &nevents, NULL)) { + nConIn += nevents; + return nevents; } - p = &ConInV[nConIn]; - - if (ReadConsoleInput(hConIn, p, 1, &nevents) && nevents) { - switch (p->EventType) { - case KEY_EVENT: - if (p->Event.KeyEvent.bKeyDown - || !p->Event.KeyEvent.uChar.AsciiChar) break; #ifdef USE_MOUSE - event_found: -#endif - ++nConIn; - return 1; -#ifdef USE_MOUSE case MOUSE_EVENT: - if (mouseActive && p->Event.MouseEvent.dwButtonState & ~(~0 << 5)) - goto event_found; + if ((lastConMouse.dwButtonState ^ rec.Event.MouseEvent.dwButtonState) & ~(~0 << 5)) { + int down; + MOUSE_EVENT_RECORD *mer; + INPUT_RECORD dummy; + + expand_win32_console_input_buffer(6); + mer = &rec.Event.MouseEvent; + ConInV[nConIn] = '\033'; + ConInV[nConIn + 1] = '['; + ConInV[nConIn + 2] = 'M'; + + if (~(mer->dwButtonState) & lastConMouse.dwButtonState & ~(~0 << 5)) + ConInV[nConIn + 3] = MOUSE_BTN_UP + ' '; + else if (!(down = mer->dwButtonState & ~lastConMouse.dwButtonState & ~(~0 << 5))) + break; + else + ConInV[nConIn + 3] = (down & (1 << 0) ? MOUSE_BTN1_DOWN : + down & (1 << 1) ? MOUSE_BTN3_DOWN : + down & (1 << 2) ? MOUSE_BTN2_DOWN : + down & (1 << 3) ? MOUSE_BTN4_DOWN_XTERM : + MOUSE_BTN5_DOWN_XTERM) + ' '; + + ConInV[nConIn + 4] = mer->dwMousePosition.X + '!'; + ConInV[nConIn + 5] = mer->dwMousePosition.Y + '!'; + nConIn += 6; + lastConMouse = *mer; + ReadConsoleInput(hConIn, &rec, 1, &nevents); + return 6; + } #endif default: break; } + + ReadConsoleInput(hConIn, &rec, 1, &nevents); } return 0; } @@ -152,76 +185,115 @@ read_win32_console_input(void) int read_win32_console(char *s, int n) { - int i; KEY_EVENT_RECORD *ker; -#ifdef USE_MOUSE - int down, btn; - MOUSE_EVENT_RECORD *mer; -#endif if (hConIn == INVALID_HANDLE_VALUE) return read(tty, s, n); - for (i = 0; i < n;) -#ifdef USE_MOUSE - if (iMouseConToXTerm) { - s[i++] = MouseConToXTerm[iMouseConToXTerm++]; + if (n > 0) + for (;;) { + if (iConIn < nConIn) { + if (n > nConIn - iConIn) + n = nConIn - iConIn; + + memcpy(s, ConInV, n); + + if ((iConIn += n) >= nConIn) + iConIn = nConIn = 0; - if (iMouseConToXTerm >= sizeof(MouseConToXTerm)) - iMouseConToXTerm = 0; - } - else -#endif - if (iConIn < nConIn) - switch (ConInV[iConIn].EventType) { -#ifdef USE_MOUSE - case MOUSE_EVENT: - if (mouseActive) { - mer = &ConInV[iConIn++].Event.MouseEvent; - MouseConToXTerm[0] = '\033'; - MouseConToXTerm[1] = '['; - MouseConToXTerm[2] = 'M'; - MouseConToXTerm[4] = mer->dwMousePosition.X + '!'; - MouseConToXTerm[5] = mer->dwMousePosition.Y + '!'; - if (~(mer->dwButtonState) & lastConMouse.dwButtonState) - MouseConToXTerm[3] = MOUSE_BTN_UP + ' '; - else if (! - (down = - mer->dwButtonState & ~lastConMouse. - dwButtonState & ~(~0 << 5))) { - lastConMouse = *mer; break; } - else - MouseConToXTerm[3] = - (down & (1 << 0) ? MOUSE_BTN1_DOWN : down & - (1 << 1) ? MOUSE_BTN3_DOWN : down & (1 << 2) ? - MOUSE_BTN2_DOWN : down & (1 << 3) ? - MOUSE_BTN4_DOWN_XTERM : MOUSE_BTN5_DOWN_XTERM) + - ' '; - - s[i++] = MouseConToXTerm[iMouseConToXTerm++]; - lastConMouse = *mer; + + iConIn = nConIn = 0; + + while (!read_win32_console_input()) + ; } - else - ++iConIn; - break; -#endif - default: - s[i++] = ConInV[iConIn++].Event.KeyEvent.uChar.AsciiChar; - break; + + return n; +} + +static int +cmp_tv(const struct timeval *tv_a, const struct timeval *tv_b) +{ + return ((tv_a->tv_sec < tv_b->tv_sec) ? -1 : + (tv_a->tv_sec > tv_b->tv_sec) ? 1 : + (tv_a->tv_usec < tv_b->tv_usec) ? -1 : + (tv_a->tv_usec > tv_b->tv_usec) ? 1 : + 0); +} + +static int +subtract_tv(struct timeval *dst, const struct timeval *src) +{ + if ((dst->tv_usec -= src->tv_usec) < 0) { + --(dst->tv_sec); + dst->tv_usec += 1000000; + } + + return ((dst->tv_sec -= src->tv_sec) < 0 ? -1 : + !dst->tv_sec ? (dst->tv_usec < 0 ? -1 : !dst->tv_usec ? 0 : 1) : 1); +} + +int +select_or_poll_win32_console(int n, fd_set *rfds, fd_set *wfds, fd_set *efds, struct timeval *tout) +{ + int m; + DWORD nevents; + + if ((m = select(n, rfds, wfds, efds, tout)) < 0) + return m; + + if (iConIn < nConIn) { + FD_SET(tty, rfds); + ++m; } else { iConIn = nConIn = 0; - if (!read_win32_console_input()) - break; + while (GetNumberOfConsoleInputEvents(hConIn, &nevents) && nevents) + read_win32_console_input(); + + if (nConIn) { + FD_SET(tty, rfds); + ++m; + } } - if (iConIn >= nConIn) - iConIn = nConIn = 0; + return m; +} + +int +select_win32_console(int n, fd_set *rfds, fd_set *wfds, fd_set *efds, struct timeval *tout) +{ + static struct timeval polltv = {0, 1000000 / CLOCKS_PER_SEC}; + int m; + struct timeval tv; - return i; + if (hConIn == INVALID_HANDLE_VALUE || tty < 0 || tty >= n || !rfds || !FD_ISSET(tty, rfds)) + return select(n, rfds, wfds, efds, tout); + + FD_CLR(tty, rfds); + + if (tout) { + while (cmp_tv(tout, &polltv) > 0) { + tv = polltv; + + if ((m = select_or_poll_win32_console(n, rfds, wfds, efds, &tv))) + return m; + + subtract_tv(tout, &polltv); + } + + return select_or_poll_win32_console(n, rfds, wfds, efds, tout); + } + else + for (;;) { + tv = polltv; + + if ((m = select_or_poll_win32_console(n, rfds, wfds, efds, &tv))) + return m; + } } #endif @@ -394,9 +466,17 @@ writestr(char *s) #define MOVE(line,column) writestr(tgoto(T_cm,column,line)); #ifdef USE_MOUSE -static char *xterm_mouse_term[] = { - "xterm", "kterm", "rxvt", "cygwin", - NULL +static struct mouse_term_info { + char *term; + int flag; +} xterm_mouse_term[] = { + {"xterm", NEED_XTERM_ON|NEED_XTERM_OFF}, + {"kterm", NEED_XTERM_ON|NEED_XTERM_OFF}, + {"rxvt", NEED_XTERM_ON|NEED_XTERM_OFF}, +#ifdef __CYGWIN__ + {"cygwin", NEED_XTERM_ON}, +#endif + {NULL, 0} }; #endif @@ -422,10 +502,10 @@ set_tty(void) #ifdef USE_MOUSE { char *term = getenv("TERM"); - char **p; - for (p = xterm_mouse_term; *p != NULL; p++) { - if (!strncmp(term, *p, strlen(*p))) { - is_xterm = 1; + struct mouse_term_info *p; + for (p = xterm_mouse_term; p->term != NULL; p++) { + if (!strncmp(term, p->term, strlen(p->term))) { + is_xterm = p->flag; break; } } @@ -1883,7 +1963,13 @@ sleep_till_anykey(int sec, int purge) FD_ZERO(&rfd); FD_SET(tty, &rfd); - if (select(tty + 1, &rfd, 0, 0, &tim) > 0 && purge) { + if ( +#ifdef __CYGWIN__ + select_win32_console(tty + 1, &rfd, 0, 0, &tim) +#else + select(tty + 1, &rfd, 0, 0, &tim) +#endif + > 0 && purge) { c = getch(); if (c == ESC_CODE) skip_escseq(); @@ -2017,11 +2103,7 @@ mouse_init() { if (mouseActive) return; - if (is_xterm -#ifdef __CYGWIN__ - && hConIn == INVALID_HANDLE_VALUE -#endif - ) { + if (is_xterm & NEED_XTERM_ON) { XTERM_ON; } mouseActive = 1; @@ -2032,11 +2114,7 @@ mouse_end() { if (mouseActive == 0) return; - if (is_xterm -#ifdef __CYGWIN__ - && hConIn == INVALID_HANDLE_VALUE -#endif - ) { + if (is_xterm & NEED_XTERM_OFF) { XTERM_OFF; } mouseActive = 0; |