X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fbase%2Flib_getch.c;h=0a04ef5a6e1bf1728b98a2a14aa52b625f704879;hp=e3e4075f742ed40950812362c61f47f10fe04cc4;hb=f486c68b1efe3bab5739c3f464fde6685a52bee5;hpb=626c294438b51427d6dd6dd99d5d3eb8d3aaa2f9 diff --git a/ncurses/base/lib_getch.c b/ncurses/base/lib_getch.c index e3e4075f..0a04ef5a 100644 --- a/ncurses/base/lib_getch.c +++ b/ncurses/base/lib_getch.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998-2008,2009 Free Software Foundation, Inc. * + * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc. * * * * Permission is hereby granted, free of charge, to any person obtaining a * * copy of this software and associated documentation files (the * @@ -42,7 +42,7 @@ #include -MODULE_ID("$Id: lib_getch.c,v 1.110 2010/02/06 18:39:16 tom Exp $") +MODULE_ID("$Id: lib_getch.c,v 1.126 2013/02/16 18:30:37 tom Exp $") #include @@ -124,12 +124,6 @@ _nc_use_meta(WINDOW *win) return (sp ? sp->_use_meta : 0); } -#ifdef NCURSES_WGETCH_EVENTS -#define TWAIT_MASK (TW_ANY | TW_EVENT) -#else -#define TWAIT_MASK TW_ANY -#endif - /* * Check for mouse activity, returning nonzero if we find any. */ @@ -138,31 +132,29 @@ check_mouse_activity(SCREEN *sp, int delay EVENTLIST_2nd(_nc_eventlist * evl)) { int rc; +#ifdef USE_TERM_DRIVER + rc = TCBOf(sp)->drv->testmouse(TCBOf(sp), delay EVENTLIST_2nd(evl)); +#else #if USE_SYSMOUSE if ((sp->_mouse_type == M_SYSMOUSE) && (sp->_sysmouse_head < sp->_sysmouse_tail)) { - return TW_MOUSE; - } -#endif -#ifdef USE_TERM_DRIVER - rc = TCBOf(sp)->drv->twait(TCBOf(sp), - TWAIT_MASK, - delay, - (int *) 0 - EVENTLIST_2nd(evl)); -#else - rc = _nc_timed_wait(sp, - TWAIT_MASK, - delay, - (int *) 0 - EVENTLIST_2nd(evl)); + rc = TW_MOUSE; + } else #endif + { + rc = _nc_timed_wait(sp, + TWAIT_MASK, + delay, + (int *) 0 + EVENTLIST_2nd(evl)); #if USE_SYSMOUSE - if ((sp->_mouse_type == M_SYSMOUSE) - && (sp->_sysmouse_head < sp->_sysmouse_tail) - && (rc == 0) - && (errno == EINTR)) { - rc |= TW_MOUSE; + if ((sp->_mouse_type == M_SYSMOUSE) + && (sp->_sysmouse_head < sp->_sysmouse_tail) + && (rc == 0) + && (errno == EINTR)) { + rc |= TW_MOUSE; + } +#endif } #endif return rc; @@ -171,7 +163,7 @@ check_mouse_activity(SCREEN *sp, int delay EVENTLIST_2nd(_nc_eventlist * evl)) static NCURSES_INLINE int fifo_peek(SCREEN *sp) { - int ch = sp->_fifo[peek]; + int ch = (peek >= 0) ? sp->_fifo[peek] : ERR; TR(TRACE_IEVENT, ("peeking at %d", peek)); p_inc(); @@ -181,15 +173,16 @@ fifo_peek(SCREEN *sp) static NCURSES_INLINE int fifo_pull(SCREEN *sp) { - int ch; - ch = sp->_fifo[head]; + int ch = (head >= 0) ? sp->_fifo[head] : ERR; + TR(TRACE_IEVENT, ("pulling %s from %d", _nc_tracechar(sp, ch), head)); if (peek == head) { h_inc(); peek = head; - } else + } else { h_inc(); + } #ifdef TRACE if (USE_TRACEF(TRACE_IEVENT)) { @@ -208,7 +201,7 @@ fifo_push(SCREEN *sp EVENTLIST_2nd(_nc_eventlist * evl)) int mask = 0; (void) mask; - if (tail == -1) + if (tail < 0) return ERR; #ifdef HIDE_EINTR @@ -264,6 +257,13 @@ fifo_push(SCREEN *sp EVENTLIST_2nd(_nc_eventlist * evl)) ch = KEY_MOUSE; n = 1; } else +#endif +#if USE_KLIBC_KBD + if (isatty(sp->_ifd) && sp->_cbreak) { + ch = _read_kbd(0, 1, !sp->_raw); + n = (ch == -1) ? -1 : 1; + sp->_extended_key = (ch == 0); + } else #endif { /* Can block... */ #ifdef USE_TERM_DRIVER @@ -272,7 +272,16 @@ fifo_push(SCREEN *sp EVENTLIST_2nd(_nc_eventlist * evl)) ch = buf; #else unsigned char c2 = 0; - n = read(sp->_ifd, &c2, 1); +# if USE_PTHREADS_EINTR +# if USE_WEAK_SYMBOLS + if ((pthread_self) && (pthread_kill) && (pthread_equal)) +# endif + _nc_globals.read_thread = pthread_self(); +# endif + n = (int) read(sp->_ifd, &c2, (size_t) 1); +#if USE_PTHREADS_EINTR + _nc_globals.read_thread = 0; +#endif ch = c2; #endif } @@ -287,7 +296,11 @@ fifo_push(SCREEN *sp EVENTLIST_2nd(_nc_eventlist * evl)) * We don't want this difference to show. This piece of code * tries to make it look like we always have restarting signals. */ - if (n <= 0 && errno == EINTR) + if (n <= 0 && errno == EINTR +# if USE_PTHREADS_EINTR + && (_nc_globals.have_sigwinch == 0) +# endif + ) goto again; #endif @@ -378,12 +391,13 @@ recur_wgetnstr(WINDOW *win, char *buf) NCURSES_EXPORT(int) _nc_wgetch(WINDOW *win, - unsigned long *result, + int *result, int use_meta EVENTLIST_2nd(_nc_eventlist * evl)) { SCREEN *sp; int ch; + int rc = 0; #ifdef NCURSES_WGETCH_EVENTS long event_delay = -1; #endif @@ -419,17 +433,18 @@ _nc_wgetch(WINDOW *win, !sp->_cbreak && !sp->_called_wgetch) { char buf[MAXCOLUMNS], *bufp; - int rc; TR(TRACE_IEVENT, ("filling queue in cooked mode")); - rc = recur_wgetnstr(win, buf); - /* ungetch in reverse order */ #ifdef NCURSES_WGETCH_EVENTS - if (rc != KEY_EVENT) -#endif + rc = recur_wgetnstr(win, buf); + if (rc != KEY_EVENT && rc != ERR) + safe_ungetch(sp, '\n'); +#else + if (recur_wgetnstr(win, buf) != ERR) safe_ungetch(sp, '\n'); +#endif for (bufp = buf + strlen(buf); bufp > buf; bufp--) safe_ungetch(sp, bufp[-1]); @@ -451,7 +466,6 @@ _nc_wgetch(WINDOW *win, if (win->_notimeout || (win->_delay >= 0) || (sp->_cbreak > 1)) { if (head == -1) { /* fifo is empty */ int delay; - int rc; TR(TRACE_IEVENT, ("timed delay in wgetch()")); if (sp->_cbreak > 1) @@ -494,7 +508,6 @@ _nc_wgetch(WINDOW *win, * increase the wait with mouseinterval(). */ int runcount = 0; - int rc = 0; do { ch = kgetch(sp EVENTLIST_2nd(evl)); @@ -564,7 +577,7 @@ _nc_wgetch(WINDOW *win, * * If carriage return is defined as a function key in the * terminfo, e.g., kent, then Solaris may return either ^J (or ^M - * if nonl() is set) or KEY_ENTER depending on the echo() mode. + * if nonl() is set) or KEY_ENTER depending on the echo() mode. * We echo before translating carriage return based on nonl(), * since the visual result simply moves the cursor to column 0. * @@ -576,7 +589,7 @@ _nc_wgetch(WINDOW *win, * cursor to the left. */ if (sp->_echo && !(win->_flags & _ISPAD)) { - chtype backup = (ch == KEY_BACKSPACE) ? '\b' : ch; + chtype backup = (chtype) ((ch == KEY_BACKSPACE) ? '\b' : ch); if (backup < KEY_MIN) wechochar(win, backup); } @@ -607,7 +620,7 @@ NCURSES_EXPORT(int) wgetch_events(WINDOW *win, _nc_eventlist * evl) { int code; - unsigned long value; + int value; T((T_CALLED("wgetch_events(%p,%p)"), win, evl)); code = _nc_wgetch(win, @@ -624,7 +637,7 @@ NCURSES_EXPORT(int) wgetch(WINDOW *win) { int code; - unsigned long value; + int value; T((T_CALLED("wgetch(%p)"), (void *) win)); code = _nc_wgetch(win, @@ -704,10 +717,11 @@ kgetch(SCREEN *sp EVENTLIST_2nd(_nc_eventlist * evl)) if (ptr->value != 0) { /* sequence terminated */ TR(TRACE_IEVENT, ("end of sequence")); - if (peek == tail) + if (peek == tail) { fifo_clear(sp); - else + } else { head = peek; + } return (ptr->value); }