Add redrawwin() and wredrawln().

Fixes PR lib/20038.

lib/libcurses/PSD.doc/fns.doc

@@ -233,7 +233,7 @@ the corners are left blank to avoid a scroll.
 .De
 Check if terminal can change colors.
 .Ds
-.Fn cbreak "" \(dg
+.Fn cbreak ""
 .De
 Set the terminal to cbreak mode.
 .Ds
@@ -1128,7 +1128,7 @@ Thus, to get a new window of dimensions
 use
 .Fn newwin 0 0 0 0 .
 .Ds
-.Fn nl "" \(dg
+.Fn nl ""
 .De
 Set the terminal to nl mode,
 .i i.e. ,
@@ -1145,7 +1145,7 @@ so it is recommended, but not required, to turn it off.
 .De
 Return attributes that cannot be combined with color.
 .Ds
-.Fn nocbreak "" \(dg
+.Fn nocbreak ""
 .De
 Unset the terminal from cbreak mode.
 .Ds
@@ -1176,19 +1176,19 @@ to block indefinitely.  See also
 .De
 Turn echoing of characters off.
 .Ds
-.Fn nonl "" \(dg
+.Fn nonl ""
 .De
 Unset the terminal to from nl mode.  See
 .Fn nl .
 .ne 1i
 .Ds
-.Fn noqiflush
+.Fn noqiflush \(dg
 .De
 Unset the terminal flush on interrupt mode.
 This is equivalent to
 .Fn intrflush stdscr FALSE .
 .Ds
-.Fn noraw "" \(dg
+.Fn noraw ""
 .De
 Unset the terminal from raw mode.  See
 .Fn raw .
@@ -1280,13 +1280,13 @@ It is often advisable to use the field width options of
 to avoid leaving things on the window from earlier calls.
 \*(Es
 .Ds
-.Fn qiflush
+.Fn qiflush \(dg
 .De
 Set the terminal flush on interrupt mode.
 This is equivalent to
 .Fn intrflush stdscr TRUE .
 .Ds
-.Fn raw "" \(dg
+.Fn raw ""
 .De
 Set the terminal to raw mode.
 On version 7
@@ -1300,6 +1300,13 @@ this also turns off newline mapping
 (see
 .Fn nl ).
 .Ds
+.Fn redrawwin "WINDOW *win" \(dg
+.De
+Mark the entire window as having been corrupted.
+This is equivalent to the
+.Fn touchwin
+function.
+.Ds
 .Fn refresh "" \(dg
 .De
 Synchronize the terminal screen with the desired window.
@@ -1628,6 +1635,16 @@ before a call to
 .Fn doupdate ,
 thus allowing the screen to updated in an efficient manner.
 .Ds
+.Fn wredrawln "WINDOW *win" "int line" "int n" \(dg
+.De
+Mark
+.Vn n
+lines starting at
+.Vn line
+in the window as corrupted.
+This is equivalent to
+.Fn wtouchln "win" "line" "n" "1" .
+.Ds
 .Fn wresize "WINDOW *win" "int lines" "int columns"
 .De
 Resize the specified window to the given dimensions.  The window will be

lib/libcurses/curses.3

@@ -1,4 +1,4 @@
-.\"	$NetBSD: curses.3,v 1.51 2003/08/07 16:44:20 agc Exp $
+.\"	$NetBSD: curses.3,v 1.52 2003/10/05 10:13:02 jdc Exp $
 .\"
 .\" Copyright (c) 1985, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"     @(#)curses.3	8.1 (Berkeley) 6/4/93
 .\"
-.Dd May 21, 2003
+.Dd September 23, 2003
 .Dt CURSES 3
 .Os
 .Sh NAME
@@ -212,6 +212,7 @@ must be called before any of the other routines that deal with color are used.
 .It printw Ta Xr curses_print 3
 .It qiflush Ta Xr curses_tty 3
 .It raw Ta Xr curses_tty 3
+.It redrawwin Ta Xr curses_touch 3
 .It refresh Ta Xr curses_refresh 3
 .It reset_prog_mode Ta Xr curses_tty 3
 .It reset_shell_mode Ta Xr curses_tty 3
@@ -278,6 +279,7 @@ must be called before any of the other routines that deal with color are used.
 .It wmove Ta Xr curses_cursor 3
 .It wnoutrefresh Ta Xr curses_refresh 3
 .It wprintw Ta Xr curses_print 3
+.It wredrawln Ta Xr curses_touch 3
 .It wrefresh Ta Xr curses_refresh 3
 .It wresize Ta Xr curses_window 3
 .It wscanw Ta Xr curses_scanw 3

lib/libcurses/curses.h

@@ -1,4 +1,4 @@
-/*	$NetBSD: curses.h,v 1.78 2003/08/07 16:44:20 agc Exp $	*/
+/*	$NetBSD: curses.h,v 1.79 2003/10/05 10:13:02 jdc Exp $	*/
 
 /*
  * Copyright (c) 1981, 1993, 1994
@@ -611,6 +611,7 @@ int	 printw(const char *, ...)
 		__attribute__((__format__(__printf__, 1, 2)));
 void	 qiflush(void);
 int	 raw(void);
+int	 redrawwin(WINDOW *);
 int	 reset_prog_mode(void);
 int	 reset_shell_mode(void);
 int	 resetty(void);
@@ -674,6 +675,7 @@ int	 wmove(WINDOW *, int, int);
 int	 wnoutrefresh(WINDOW *);
 int	 wprintw(WINDOW *, const char *, ...)
 		__attribute__((__format__(__printf__, 2, 3)));
+int	 wredrawln(WINDOW *, int, int);
 int	 wrefresh(WINDOW *);
 int      wresize(WINDOW *, int, int);
 int	 wscanw(WINDOW *, const char *, ...)

lib/libcurses/curses_touch.3

@@ -1,4 +1,4 @@
-.\"	$NetBSD: curses_touch.3,v 1.3 2003/04/16 13:35:01 wiz Exp $
+.\"	$NetBSD: curses_touch.3,v 1.4 2003/10/05 10:13:02 jdc Exp $
 .\"
 .\" Copyright (c) 2002
 .\"	Brett Lymn (blymn@NetBSD.org, brett_lymn@yahoo.com.au)
@@ -30,7 +30,7 @@
 .\" SUCH DAMAGE.
 .\"
 .\"
-.Dd August 12, 2002
+.Dd September 23, 2003
 .Dt CURSES_TOUCH 3
 .Os
 .Sh NAME
@@ -41,7 +41,9 @@
 .Nm untouchwin ,
 .Nm wtouchln ,
 .Nm is_linetouched ,
-.Nm is_wintouched
+.Nm is_wintouched ,
+.Nm redrawwin ,
+.Nm wredrawln
 .Nd curses window modification routines
 .Sh LIBRARY
 .Lb libcurses
@@ -61,6 +63,10 @@
 .Fn is_linetouched "WINDOW *win" "int line"
 .Ft bool
 .Fn is_wintouched "WINDOW *win"
+.Ft int
+.Fn redrawwin "WINDOW *win"
+.Ft int
+.Fn wredrawln "WINDOW *win" "int line" "int n"
 .Sh DESCRIPTION
 These functions mark lines and windows as modified and check the modification
 status of lines and windows.
@@ -134,6 +140,25 @@ if the window
 has been modified since the last refresh, otherwise
 .Dv FALSE
 is returned.
+.Pp
+The
+.Fn redrawwin
+function marks the entire window
+.Fa win
+as having been corrupted.
+Is is equivalent to the
+.Fn touchwin
+function.
+.Pp
+The
+.Fn wredrawln
+function marks
+.Fa n
+lines starting at
+.Fa line
+in the given window as corrupted.
+It is equivalent to
+.Fn wtouchln win line n 1 .
 .Sh RETURN VALUES
 Functions returning pointers will return
 .Dv NULL

lib/libcurses/touchwin.c

@@ -1,4 +1,4 @@
-/*	$NetBSD: touchwin.c,v 1.19 2003/08/07 16:44:24 agc Exp $	*/
+/*	$NetBSD: touchwin.c,v 1.20 2003/10/05 10:13:03 jdc Exp $	*/
 
 /*
  * Copyright (c) 1981, 1993, 1994
@@ -34,7 +34,7 @@
 #if 0
 static char sccsid[] = "@(#)touchwin.c	8.2 (Berkeley) 5/4/94";
 #else
-__RCSID("$NetBSD: touchwin.c,v 1.19 2003/08/07 16:44:24 agc Exp $");
+__RCSID("$NetBSD: touchwin.c,v 1.20 2003/10/05 10:13:03 jdc Exp $");
 #endif
 #endif				/* not lint */
 
@@ -54,18 +54,30 @@ is_linetouched(WINDOW *win, int line)
 	return ((win->lines[line]->flags & __ISDIRTY) != 0);
 }
 
-
 /*
+ * touchline --
  *	Touch count lines starting at start.  This is the SUS v2 compliant
  *	version.
  */
-
 int
 touchline(WINDOW *win, int start, int count)
 {
 	return wtouchln(win, start, count, 1);
 }
 
+/*
+ * wredrawln --
+ *	Mark count lines starting at start as corrupted.  Implemented using
+ *	wtouchln().
+ */
+int wredrawln(WINDOW *win, int start, int count)
+{
+#ifdef DEBUG
+	__CTRACE("wredrawln: (%p, %d, %d)\n", win, start, count);
+#endif
+	return wtouchln(win, start, count, 1);
+}
+
 /*
  * is_wintouched --
  *      Check if the window has been touched.
@@ -97,6 +109,19 @@ touchwin(WINDOW *win)
 	return wtouchln(win, 0, win->maxy, 1);
 }
 
+/*
+ * redrawwin --
+ *	Mark entire window as corrupted.  Implemented using wtouchln().
+ */
+int
+redrawwin(WINDOW *win)
+{
+#ifdef DEBUG
+	__CTRACE("redrawwin: (%p)\n", win);
+#endif
+	return wtouchln(win, 0, win->maxy, 1);
+}
+
 /*
  * untouchwin --
  *     Make it look like the window has not been changed.