/****************************************************************************
- * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc. *
+ * Copyright 2018-2019,2020 Thomas E. Dickey *
+ * Copyright 1998-2015,2016 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 *
**
*/
+#define NEED_KEY_EVENT
#include <curses.priv.h>
-MODULE_ID("$Id: lib_getch.c,v 1.116 2010/05/01 22:40:47 tom Exp $")
+MODULE_ID("$Id: lib_getch.c,v 1.141 2020/09/05 22:50:47 tom Exp $")
#include <fifo_defs.h>
NCURSES_SP_NAME(set_escdelay) (NCURSES_SP_DCLx int value)
{
int code = OK;
-#if USE_REENTRANT
- if (SP_PARM) {
- SET_ESCDELAY(value);
- } else {
+ if (value < 0) {
code = ERR;
- }
+ } else {
+#if USE_REENTRANT
+ if (SP_PARM) {
+ SET_ESCDELAY(value);
+ } else {
+ code = ERR;
+ }
#else
- (void) SP_PARM;
- ESCDELAY = value;
+ (void) SP_PARM;
+ ESCDELAY = value;
#endif
+ }
return code;
}
set_escdelay(int value)
{
int code;
+ if (value < 0) {
+ code = ERR;
+ } else {
#if USE_REENTRANT
- code = NCURSES_SP_NAME(set_escdelay) (CURRENT_SCREEN, value);
+ code = NCURSES_SP_NAME(set_escdelay) (CURRENT_SCREEN, value);
#else
- ESCDELAY = value;
- code = OK;
+ ESCDELAY = value;
+ code = OK;
#endif
+ }
return code;
}
#endif
return (sp ? sp->_use_meta : 0);
}
+#ifdef USE_TERM_DRIVER
+# if defined(_NC_WINDOWS) && !defined(EXP_WIN32_DRIVER)
+static HANDLE
+_nc_get_handle(int fd)
+{
+ intptr_t value = _get_osfhandle(fd);
+ return (HANDLE) value;
+}
+# endif
+#endif
+
/*
* Check for mouse activity, returning nonzero if we find any.
*/
int rc;
#ifdef USE_TERM_DRIVER
- rc = TCBOf(sp)->drv->testmouse(TCBOf(sp), delay);
-#else
-#if USE_SYSMOUSE
+ TERMINAL_CONTROL_BLOCK *TCB = TCBOf(sp);
+ rc = TCBOf(sp)->drv->td_testmouse(TCBOf(sp), delay EVENTLIST_2nd(evl));
+# if defined(EXP_WIN32_DRIVER)
+ /* if we emulate terminfo on console, we have to use the console routine */
+ if (IsTermInfoOnConsole(sp)) {
+ rc = _nc_console_testmouse(sp,
+ _nc_console_handle(sp->_ifd),
+ delay EVENTLIST_2nd(evl));
+ } else
+# elif defined(_NC_WINDOWS)
+ /* if we emulate terminfo on console, we have to use the console routine */
+ if (IsTermInfoOnConsole(sp)) {
+ HANDLE fd = _nc_get_handle(sp->_ifd);
+ rc = _nc_mingw_testmouse(sp, fd, delay EVENTLIST_2nd(evl));
+ } else
+# endif
+ rc = TCB->drv->td_testmouse(TCB, delay EVENTLIST_2nd(evl));
+#else /* !USE_TERM_DRIVER */
+# if USE_SYSMOUSE
if ((sp->_mouse_type == M_SYSMOUSE)
&& (sp->_sysmouse_head < sp->_sysmouse_tail)) {
rc = TW_MOUSE;
} else
-#endif
+# endif
{
+# if defined(EXP_WIN32_DRIVER)
+ rc = _nc_console_testmouse(sp,
+ _nc_console_handle(sp->_ifd),
+ delay
+ EVENTLIST_2nd(evl));
+# else
rc = _nc_timed_wait(sp,
TWAIT_MASK,
delay,
(int *) 0
EVENTLIST_2nd(evl));
-#if USE_SYSMOUSE
+# endif
+# if USE_SYSMOUSE
if ((sp->_mouse_type == M_SYSMOUSE)
&& (sp->_sysmouse_head < sp->_sysmouse_tail)
&& (rc == 0)
&& (errno == EINTR)) {
rc |= TW_MOUSE;
}
-#endif
+# endif
}
-#endif
+#endif /* USE_TERM_DRIVER */
return rc;
}
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();
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)) {
int mask = 0;
(void) mask;
- if (tail == -1)
+ if (tail < 0)
return ERR;
-#ifdef HIDE_EINTR
- again:
- errno = 0;
-#endif
-
#ifdef NCURSES_WGETCH_EVENTS
if (evl
#if USE_GPM_SUPPORT || USE_EMX_MOUSE || USE_SYSMOUSE
ch = KEY_MOUSE;
n = 1;
} else
+#endif
+#if USE_KLIBC_KBD
+ if (NC_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
+#if defined(USE_TERM_DRIVER)
int buf;
- n = CallDriver_1(sp, read, &buf);
+# if defined(EXP_WIN32_DRIVER)
+ if (NC_ISATTY(sp->_ifd) && IsTermInfoOnConsole(sp) && sp->_cbreak) {
+# if USE_PTHREADS_EINTR
+ if ((pthread_self) && (pthread_kill) && (pthread_equal))
+ _nc_globals.read_thread = pthread_self();
+# endif
+ n = _nc_console_read(sp,
+ _nc_console_handle(sp->_ifd),
+ &buf);
+# if USE_PTHREADS_EINTR
+ _nc_globals.read_thread = 0;
+# endif
+ } else
+# elif defined(_NC_WINDOWS)
+ if (NC_ISATTY(sp->_ifd) && IsTermInfoOnConsole(sp) && sp->_cbreak)
+ n = _nc_mingw_console_read(sp,
+ _nc_get_handle(sp->_ifd),
+ &buf);
+ else
+# endif /* EXP_WIN32_DRIVER */
+ n = CallDriver_1(sp, td_read, &buf);
ch = buf;
-#else
+#else /* !USE_TERM_DRIVER */
+#if defined(EXP_WIN32_DRIVER)
+ int buf;
+#endif
unsigned char c2 = 0;
- n = read(sp->_ifd, &c2, 1);
- ch = c2;
+#if USE_PTHREADS_EINTR
+#if USE_WEAK_SYMBOLS
+ if ((pthread_self) && (pthread_kill) && (pthread_equal))
#endif
- }
-
-#ifdef HIDE_EINTR
- /*
- * Under System V curses with non-restarting signals, getch() returns
- * with value ERR when a handled signal keeps it from completing.
- * If signals restart system calls, OTOH, the signal is invisible
- * except to its handler.
- *
- * 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)
- goto again;
+ _nc_globals.read_thread = pthread_self();
+#endif
+#if defined(EXP_WIN32_DRIVER)
+ n = _nc_console_read(sp,
+ _nc_console_handle(sp->_ifd),
+ &buf);
+ c2 = buf;
+#else
+ n = (int) read(sp->_ifd, &c2, (size_t) 1);
#endif
+#if USE_PTHREADS_EINTR
+ _nc_globals.read_thread = 0;
+#endif
+ ch = c2;
+#endif /* USE_TERM_DRIVER */
+ }
if ((n == -1) || (n == 0)) {
TR(TRACE_IEVENT, ("read(%d,&ch,1)=%d, errno=%d", sp->_ifd, n, errno));
tail = peek = 0;
}
-static int kgetch(SCREEN *EVENTLIST_2nd(_nc_eventlist * evl));
+static int kgetch(SCREEN *, bool EVENTLIST_2nd(_nc_eventlist *));
static void
recur_wrefresh(WINDOW *win)
NCURSES_EXPORT(int)
_nc_wgetch(WINDOW *win,
- unsigned long *result,
+ int *result,
int use_meta
EVENTLIST_2nd(_nc_eventlist * evl))
{
int ch;
int rc = 0;
#ifdef NCURSES_WGETCH_EVENTS
- long event_delay = -1;
+ int event_delay = -1;
#endif
T((T_CALLED("_nc_wgetch(%p)"), (void *) win));
/* ungetch in reverse order */
#ifdef NCURSES_WGETCH_EVENTS
rc = recur_wgetnstr(win, buf);
- if (rc != KEY_EVENT)
+ if (rc != KEY_EVENT && rc != ERR)
safe_ungetch(sp, '\n');
#else
- (void) recur_wgetnstr(win, buf);
- safe_ungetch(sp, '\n');
+ if (recur_wgetnstr(win, buf) != ERR)
+ safe_ungetch(sp, '\n');
#endif
for (bufp = buf + strlen(buf); bufp > buf; bufp--)
safe_ungetch(sp, bufp[-1]);
int runcount = 0;
do {
- ch = kgetch(sp EVENTLIST_2nd(evl));
+ ch = kgetch(sp, win->_notimeout EVENTLIST_2nd(evl));
if (ch == KEY_MOUSE) {
++runcount;
if (sp->_mouse_inline(sp))
*
* 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.
*
* 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);
}
wgetch_events(WINDOW *win, _nc_eventlist * evl)
{
int code;
- unsigned long value;
+ int value;
- T((T_CALLED("wgetch_events(%p,%p)"), win, evl));
+ T((T_CALLED("wgetch_events(%p,%p)"), (void *) win, (void *) evl));
code = _nc_wgetch(win,
&value,
_nc_use_meta(win)
wgetch(WINDOW *win)
{
int code;
- unsigned long value;
+ int value;
T((T_CALLED("wgetch(%p)"), (void *) win));
code = _nc_wgetch(win,
*/
static int
-kgetch(SCREEN *sp EVENTLIST_2nd(_nc_eventlist * evl))
+kgetch(SCREEN *sp, bool forever EVENTLIST_2nd(_nc_eventlist * evl))
{
TRIES *ptr;
int ch = 0;
- int timeleft = GetEscdelay(sp);
+ int timeleft = forever ? 9999999 : GetEscdelay(sp);
TR(TRACE_IEVENT, ("kgetch() called"));
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);
}
projects / ncurses.git / blobdiff