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authorXin LI <delphij@FreeBSD.org>2014-02-28 19:18:07 +0000
committerXin LI <delphij@FreeBSD.org>2014-02-28 19:18:07 +0000
commita0044ffc69cfe39a3b0b2d208e0952254555afc6 (patch)
tree7b2d708d03277cdd2560e9ce6572bdafc2e58bab /ncurses/base/lib_getch.c
parent4b819fa20a8d007a10f2d3e8d6a5dedf7f18fc9a (diff)
downloadsrc-a0044ffc69cfe39a3b0b2d208e0952254555afc6.tar.gz
src-a0044ffc69cfe39a3b0b2d208e0952254555afc6.zip
Redo import of ncurses 5.9 (stripped).vendor/ncurses/5.9-20110404_stripped
Notes
Notes: svn path=/vendor/ncurses/dist/; revision=262617 svn path=/vendor/ncurses/5.9-20110404_stripped/; revision=262631; tag=vendor/ncurses/5.9-20110404_stripped
Diffstat (limited to 'ncurses/base/lib_getch.c')
-rw-r--r--ncurses/base/lib_getch.c181
1 files changed, 127 insertions, 54 deletions
diff --git a/ncurses/base/lib_getch.c b/ncurses/base/lib_getch.c
index e7ba0b210e34..130c502431b3 100644
--- a/ncurses/base/lib_getch.c
+++ b/ncurses/base/lib_getch.c
@@ -1,5 +1,5 @@
/****************************************************************************
- * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2009,2010 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 *
@@ -30,6 +30,7 @@
* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
* and: Thomas E. Dickey 1996-on *
+ * and: Juergen Pfeifer 2009 *
****************************************************************************/
/*
@@ -41,40 +42,80 @@
#include <curses.priv.h>
-MODULE_ID("$Id: lib_getch.c,v 1.99 2008/09/20 19:46:13 tom Exp $")
+MODULE_ID("$Id: lib_getch.c,v 1.121 2010/12/25 23:24:04 tom Exp $")
#include <fifo_defs.h>
#if USE_REENTRANT
-#define GetEscdelay(sp) (sp)->_ESCDELAY
+#define GetEscdelay(sp) *_nc_ptr_Escdelay(sp)
NCURSES_EXPORT(int)
NCURSES_PUBLIC_VAR(ESCDELAY) (void)
{
- return SP ? GetEscdelay(SP) : 1000;
+ return *(_nc_ptr_Escdelay(CURRENT_SCREEN));
+}
+
+NCURSES_EXPORT(int *)
+_nc_ptr_Escdelay(SCREEN *sp)
+{
+ return ptrEscdelay(sp);
}
#else
#define GetEscdelay(sp) ESCDELAY
-NCURSES_EXPORT_VAR(int)
-ESCDELAY = 1000; /* max interval betw. chars in funkeys, in millisecs */
+NCURSES_EXPORT_VAR(int) ESCDELAY = 1000;
#endif
#if NCURSES_EXT_FUNCS
NCURSES_EXPORT(int)
-set_escdelay(int value)
+NCURSES_SP_NAME(set_escdelay) (NCURSES_SP_DCLx int value)
{
int code = OK;
#if USE_REENTRANT
- if (SP) {
- SP->_ESCDELAY = value;
+ if (SP_PARM) {
+ SET_ESCDELAY(value);
} else {
code = ERR;
}
#else
+ (void) SP_PARM;
ESCDELAY = value;
#endif
return code;
}
+
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(int)
+set_escdelay(int value)
+{
+ int code;
+#if USE_REENTRANT
+ code = NCURSES_SP_NAME(set_escdelay) (CURRENT_SCREEN, value);
+#else
+ ESCDELAY = value;
+ code = OK;
+#endif
+ return code;
+}
+#endif
+#endif /* NCURSES_EXT_FUNCS */
+
+#if NCURSES_EXT_FUNCS
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(get_escdelay) (NCURSES_SP_DCL0)
+{
+#if !USE_REENTRANT
+ (void) SP_PARM;
+#endif
+ return GetEscdelay(SP_PARM);
+}
+
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(int)
+get_escdelay(void)
+{
+ return NCURSES_SP_NAME(get_escdelay) (CURRENT_SCREEN);
+}
#endif
+#endif /* NCURSES_EXT_FUNCS */
static int
_nc_use_meta(WINDOW *win)
@@ -83,12 +124,6 @@ _nc_use_meta(WINDOW *win)
return (sp ? sp->_use_meta : 0);
}
-#ifdef NCURSES_WGETCH_EVENTS
-#define TWAIT_MASK 7
-#else
-#define TWAIT_MASK 3
-#endif
-
/*
* Check for mouse activity, returning nonzero if we find any.
*/
@@ -97,19 +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);
+#else
#if USE_SYSMOUSE
if ((sp->_mouse_type == M_SYSMOUSE)
&& (sp->_sysmouse_head < sp->_sysmouse_tail)) {
- return 2;
- }
+ rc = TW_MOUSE;
+ } else
#endif
- rc = _nc_timed_wait(sp, TWAIT_MASK, delay, (int *) 0 EVENTLIST_2nd(evl));
+ {
+ 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 |= 2;
+ if ((sp->_mouse_type == M_SYSMOUSE)
+ && (sp->_sysmouse_head < sp->_sysmouse_tail)
+ && (rc == 0)
+ && (errno == EINTR)) {
+ rc |= TW_MOUSE;
+ }
+#endif
}
#endif
return rc;
@@ -173,9 +218,9 @@ fifo_push(SCREEN *sp EVENTLIST_2nd(_nc_eventlist * evl))
} else
mask = 0;
- if (mask & 4) {
+ if (mask & TW_EVENT) {
T(("fifo_push: ungetch KEY_EVENT"));
- _nc_ungetch(sp, KEY_EVENT);
+ safe_ungetch(sp, KEY_EVENT);
return KEY_EVENT;
}
#elif USE_GPM_SUPPORT || USE_EMX_MOUSE || USE_SYSMOUSE
@@ -185,7 +230,7 @@ fifo_push(SCREEN *sp EVENTLIST_2nd(_nc_eventlist * evl))
#endif
#if USE_GPM_SUPPORT || USE_EMX_MOUSE
- if ((sp->_mouse_fd >= 0) && (mask & 2)) {
+ if ((sp->_mouse_fd >= 0) && (mask & TW_MOUSE)) {
sp->_mouse_event(sp);
ch = KEY_MOUSE;
n = 1;
@@ -204,10 +249,33 @@ fifo_push(SCREEN *sp EVENTLIST_2nd(_nc_eventlist * evl))
n = 1;
} else
#endif
+#ifdef USE_TERM_DRIVER
+ if ((sp->_mouse_type == M_TERM_DRIVER)
+ && (sp->_drv_mouse_head < sp->_drv_mouse_tail)) {
+ sp->_mouse_event(sp);
+ ch = KEY_MOUSE;
+ n = 1;
+ } else
+#endif
{ /* Can block... */
+#ifdef USE_TERM_DRIVER
+ int buf;
+ n = CallDriver_1(sp, read, &buf);
+ 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, 1);
+#if USE_PTHREADS_EINTR
+ _nc_globals.read_thread = 0;
+#endif
ch = c2;
+#endif
}
#ifdef HIDE_EINTR
@@ -220,7 +288,11 @@ 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
@@ -260,12 +332,12 @@ recur_wrefresh(WINDOW *win)
{
#ifdef USE_PTHREADS
SCREEN *sp = _nc_screen_of(win);
- if (_nc_use_pthreads && sp != SP) {
+ if (_nc_use_pthreads && sp != CURRENT_SCREEN) {
SCREEN *save_SP;
/* temporarily switch to the window's screen to check/refresh */
_nc_lock_global(curses);
- save_SP = SP;
+ save_SP = CURRENT_SCREEN;
_nc_set_screen(sp);
recur_wrefresh(win);
_nc_set_screen(save_SP);
@@ -286,12 +358,12 @@ recur_wgetnstr(WINDOW *win, char *buf)
if (sp != 0) {
#ifdef USE_PTHREADS
- if (_nc_use_pthreads && sp != SP) {
+ if (_nc_use_pthreads && sp != CURRENT_SCREEN) {
SCREEN *save_SP;
/* temporarily switch to the window's screen to get cooked input */
_nc_lock_global(curses);
- save_SP = SP;
+ save_SP = CURRENT_SCREEN;
_nc_set_screen(sp);
rc = recur_wgetnstr(win, buf);
_nc_set_screen(save_SP);
@@ -311,17 +383,18 @@ 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
- T((T_CALLED("_nc_wgetch(%p)"), win));
+ T((T_CALLED("_nc_wgetch(%p)"), (void *) win));
*result = 0;
@@ -352,19 +425,20 @@ _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
+ rc = recur_wgetnstr(win, buf);
if (rc != KEY_EVENT)
+ safe_ungetch(sp, '\n');
+#else
+ (void) recur_wgetnstr(win, buf);
+ safe_ungetch(sp, '\n');
#endif
- _nc_ungetch(sp, '\n');
for (bufp = buf + strlen(buf); bufp > buf; bufp--)
- _nc_ungetch(sp, bufp[-1]);
+ safe_ungetch(sp, bufp[-1]);
#ifdef NCURSES_WGETCH_EVENTS
/* Return it first */
@@ -384,7 +458,6 @@ _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)
@@ -402,13 +475,13 @@ _nc_wgetch(WINDOW *win,
rc = check_mouse_activity(sp, delay EVENTLIST_2nd(evl));
#ifdef NCURSES_WGETCH_EVENTS
- if (rc & 4) {
+ if (rc & TW_EVENT) {
*result = KEY_EVENT;
returnCode(KEY_CODE_YES);
}
#endif
if (!rc) {
- returnCode(ERR);
+ goto check_sigwinch;
}
}
/* else go on to read data available */
@@ -427,7 +500,6 @@ _nc_wgetch(WINDOW *win,
* increase the wait with mouseinterval().
*/
int runcount = 0;
- int rc;
do {
ch = kgetch(sp EVENTLIST_2nd(evl));
@@ -442,11 +514,11 @@ _nc_wgetch(WINDOW *win,
(ch == KEY_MOUSE
&& (((rc = check_mouse_activity(sp, sp->_maxclick
EVENTLIST_2nd(evl))) != 0
- && !(rc & 4))
+ && !(rc & TW_EVENT))
|| !sp->_mouse_parse(sp, runcount)));
#ifdef NCURSES_WGETCH_EVENTS
- if ((rc & 4) && !ch == KEY_EVENT) {
- _nc_ungetch(sp, ch);
+ if ((rc & TW_EVENT) && !(ch == KEY_EVENT)) {
+ safe_ungetch(sp, ch);
ch = KEY_EVENT;
}
#endif
@@ -454,12 +526,12 @@ _nc_wgetch(WINDOW *win,
#ifdef NCURSES_WGETCH_EVENTS
/* mouse event sequence ended by an event, report event */
if (ch == KEY_EVENT) {
- _nc_ungetch(sp, KEY_MOUSE); /* FIXME This interrupts a gesture... */
+ safe_ungetch(sp, KEY_MOUSE); /* FIXME This interrupts a gesture... */
} else
#endif
{
/* mouse event sequence ended by keystroke, store keystroke */
- _nc_ungetch(sp, ch);
+ safe_ungetch(sp, ch);
ch = KEY_MOUSE;
}
}
@@ -470,6 +542,7 @@ _nc_wgetch(WINDOW *win,
}
if (ch == ERR) {
+ check_sigwinch:
#if USE_SIZECHANGE
if (_nc_handle_sigwinch(sp)) {
_nc_update_screensize(sp);
@@ -508,7 +581,7 @@ _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);
}
@@ -539,7 +612,7 @@ 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,
@@ -556,9 +629,9 @@ NCURSES_EXPORT(int)
wgetch(WINDOW *win)
{
int code;
- unsigned long value;
+ int value;
- T((T_CALLED("wgetch(%p)"), win));
+ T((T_CALLED("wgetch(%p)"), (void *) win));
code = _nc_wgetch(win,
&value,
_nc_use_meta(win)
@@ -632,7 +705,7 @@ kgetch(SCREEN *sp EVENTLIST_2nd(_nc_eventlist * evl))
break;
}
TR(TRACE_IEVENT, ("ptr=%p, ch=%d, value=%d",
- ptr, ptr->ch, ptr->value));
+ (void *) ptr, ptr->ch, ptr->value));
if (ptr->value != 0) { /* sequence terminated */
TR(TRACE_IEVENT, ("end of sequence"));
@@ -651,7 +724,7 @@ kgetch(SCREEN *sp EVENTLIST_2nd(_nc_eventlist * evl))
TR(TRACE_IEVENT, ("waiting for rest of sequence"));
rc = check_mouse_activity(sp, timeleft EVENTLIST_2nd(evl));
#ifdef NCURSES_WGETCH_EVENTS
- if (rc & 4) {
+ if (rc & TW_EVENT) {
TR(TRACE_IEVENT, ("interrupted by a user event"));
/* FIXME Should have preserved remainder timeleft for reuse... */
peek = head; /* Restart interpreting later */