X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fbase%2Flib_getch.c;h=d8906daec63b7de903b3b82465e1c40a69bd813f;hp=84700cc7a1bf20be2d0863d76781ad24b4e8a2ef;hb=a1aff38c9421e79f92cd4e8ab0587fdf3806cc28;hpb=a8987e73ec254703634802b4f7ee30d3a485524d

diff --git a/ncurses/base/lib_getch.c b/ncurses/base/lib_getch.c
index 84700cc7..d8906dae 100644
--- a/ncurses/base/lib_getch.c
+++ b/ncurses/base/lib_getch.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2001,2002 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2006,2007 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            *
@@ -29,6 +29,7 @@
 /****************************************************************************
  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
+ *     and: Thomas E. Dickey                        1996-on                 *
  ****************************************************************************/
 
 /*
@@ -40,12 +41,20 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_getch.c,v 1.71 2003/05/17 23:49:28 tom Exp $")
+MODULE_ID("$Id: lib_getch.c,v 1.79 2007/04/19 20:57:49 tom Exp $")
 
 #include <fifo_defs.h>
 
+#if USE_REENTRANT
+NCURSES_EXPORT(int)
+NCURSES_PUBLIC_VAR(ESCDELAY) (void)
+{
+    return SP ? SP->_ESCDELAY : 1000;
+}
+#else
 NCURSES_EXPORT_VAR(int)
 ESCDELAY = 1000;		/* max interval betw. chars in funkeys, in millisecs */
+#endif
 
 #ifdef NCURSES_WGETCH_EVENTS
 #define TWAIT_MASK 7
@@ -79,7 +88,7 @@ check_mouse_activity(int delay EVENTLIST_2nd(_nc_eventlist * evl))
     return rc;
 }
 
-static inline int
+static NCURSES_INLINE int
 fifo_peek(void)
 {
     int ch = SP->_fifo[peek];
@@ -89,7 +98,7 @@ fifo_peek(void)
     return ch;
 }
 
-static inline int
+static NCURSES_INLINE int
 fifo_pull(void)
 {
     int ch;
@@ -109,7 +118,7 @@ fifo_pull(void)
     return ch;
 }
 
-static inline int
+static NCURSES_INLINE int
 fifo_push(EVENTLIST_0th(_nc_eventlist * evl))
 {
     int n;
@@ -205,7 +214,7 @@ fifo_push(EVENTLIST_0th(_nc_eventlist * evl))
     return ch;
 }
 
-static inline void
+static NCURSES_INLINE void
 fifo_clear(void)
 {
     memset(SP->_fifo, 0, sizeof(SP->_fifo));
@@ -233,15 +242,16 @@ _nc_wgetch(WINDOW *win,
     T((T_CALLED("_nc_wgetch(%p)"), win));
 
     *result = 0;
-    if (!win)
+    if (win == 0 || SP == 0) {
 	returnCode(ERR);
+    }
 
     if (cooked_key_in_fifo()) {
 	if (wgetch_should_refresh(win))
 	    wrefresh(win);
 
 	*result = fifo_pull();
-	returnCode(OK);
+	returnCode(*result >= KEY_MIN ? KEY_CODE_YES : OK);
     }
 #ifdef NCURSES_WGETCH_EVENTS
     if (evl && (evl->count == 0))
@@ -280,12 +290,10 @@ _nc_wgetch(WINDOW *win,
 	/* Return it first */
 	if (rc == KEY_EVENT) {
 	    *result = rc;
-	    returnCode(OK);
-	}
+	} else
 #endif
-
-	*result = fifo_pull();
-	returnCode(OK);
+	    *result = fifo_pull();
+	returnCode(*result >= KEY_MIN ? KEY_CODE_YES : OK);
     }
 
     if (win->_use_keypad != SP->_keypad_on)
@@ -295,28 +303,29 @@ _nc_wgetch(WINDOW *win,
 	wrefresh(win);
 
     if (!win->_notimeout && (win->_delay >= 0 || SP->_cbreak > 1)) {
-	int delay;
+	if (head == -1) {	/* fifo is empty */
+	    int delay;
+	    int rc;
 
-	TR(TRACE_IEVENT, ("timed delay in wgetch()"));
-	if (SP->_cbreak > 1)
-	    delay = (SP->_cbreak - 1) * 100;
-	else
-	    delay = win->_delay;
+	    TR(TRACE_IEVENT, ("timed delay in wgetch()"));
+	    if (SP->_cbreak > 1)
+		delay = (SP->_cbreak - 1) * 100;
+	    else
+		delay = win->_delay;
 
 #ifdef NCURSES_WGETCH_EVENTS
-	if (event_delay >= 0 && delay > event_delay)
-	    delay = event_delay;
+	    if (event_delay >= 0 && delay > event_delay)
+		delay = event_delay;
 #endif
 
-	TR(TRACE_IEVENT, ("delay is %d milliseconds", delay));
+	    TR(TRACE_IEVENT, ("delay is %d milliseconds", delay));
 
-	if (head == -1) {	/* fifo is empty */
-	    int rc = check_mouse_activity(delay EVENTLIST_2nd(evl));
+	    rc = check_mouse_activity(delay EVENTLIST_2nd(evl));
 
 #ifdef NCURSES_WGETCH_EVENTS
 	    if (rc & 4) {
 		*result = KEY_EVENT;
-		returnCode(OK);
+		returnCode(KEY_CODE_YES);
 	    }
 #endif
 	    if (!rc)
@@ -382,7 +391,7 @@ _nc_wgetch(WINDOW *win,
 
     if (ch == ERR) {
 #if USE_SIZECHANGE
-	if (SP->_sig_winch) {
+	if (_nc_handle_sigwinch(FALSE)) {
 	    _nc_update_screensize();
 	    /* resizeterm can push KEY_RESIZE */
 	    if (cooked_key_in_fifo()) {
@@ -466,7 +475,7 @@ wgetch(WINDOW *win)
     T((T_CALLED("wgetch(%p)"), win));
     code = _nc_wgetch(win,
 		      &value,
-		      SP->_use_meta
+		      (SP ? SP->_use_meta : 0)
 		      EVENTLIST_2nd((_nc_eventlist *) 0));
     if (code != ERR)
 	code = value;
@@ -491,7 +500,7 @@ wgetch(WINDOW *win)
 static int
 kgetch(EVENTLIST_0th(_nc_eventlist * evl))
 {
-    struct tries *ptr;
+    TRIES *ptr;
     int ch = 0;
     int timeleft = ESCDELAY;
 
@@ -558,7 +567,7 @@ kgetch(EVENTLIST_0th(_nc_eventlist * evl))
 #ifdef NCURSES_WGETCH_EVENTS
 	    if (rc & 4) {
 		TR(TRACE_IEVENT, ("interrupted by a user event"));
-		/* FIXME Should have preserved remainder timeleft for reusal... */
+		/* FIXME Should have preserved remainder timeleft for reuse... */
 		peek = head;	/* Restart interpreting later */
 		return KEY_EVENT;
 	    }