X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fwidechar%2Flib_get_wstr.c;h=695b5263946ab32569e2e76bae8a189fdf3ab474;hp=0b450211b2c3255c385b054e3099f483f88daf02;hb=HEAD;hpb=3a0d9d27e0cf115ff9dcc6163c251bccaa62bd7d

diff --git a/ncurses/widechar/lib_get_wstr.c b/ncurses/widechar/lib_get_wstr.c
index 0b450211..3b3bd522 100644
--- a/ncurses/widechar/lib_get_wstr.c
+++ b/ncurses/widechar/lib_get_wstr.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 2002-2008,2009 Free Software Foundation, Inc.              *
+ * Copyright 2018-2021,2023 Thomas E. Dickey                                *
+ * Copyright 2002-2009,2011 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            *
@@ -39,7 +40,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_get_wstr.c,v 1.12 2009/10/24 22:38:11 tom Exp $")
+MODULE_ID("$Id: lib_get_wstr.c,v 1.21 2023/04/29 19:02:03 tom Exp $")
 
 static int
 wadd_wint(WINDOW *win, wint_t *src)
@@ -49,7 +50,7 @@ wadd_wint(WINDOW *win, wint_t *src)
 
     wch[0] = (wchar_t) (*src);
     wch[1] = 0;
-    setcchar(&tmp, wch, A_NORMAL, 0, NULL);
+    setcchar(&tmp, wch, A_NORMAL, (short) 0, NULL);
     return wadd_wch(win, &tmp);
 }
 
@@ -58,7 +59,7 @@ wadd_wint(WINDOW *win, wint_t *src)
  * or other character, and handles reverse wraparound.
  */
 static wint_t *
-WipeOut(WINDOW *win, int y, int x, wint_t *first, wint_t *last, bool echoed)
+WipeOut(WINDOW *win, int y, int x, wint_t *first, wint_t *last, int echoed)
 {
     if (last > first) {
 	*--last = '\0';
@@ -87,9 +88,9 @@ wgetn_wstr(WINDOW *win, wint_t *str, int maxlen)
 {
     SCREEN *sp = _nc_screen_of(win);
     TTY buf;
-    bool oldnl, oldecho, oldraw, oldcbreak;
-    wint_t erasec;
-    wint_t killc;
+    TTY_FLAGS save_flags;
+    wchar_t erasec = 0;
+    wchar_t killc = 0;
     wint_t *oldstr = str;
     wint_t *tmpstr = str;
     wint_t ch;
@@ -100,19 +101,18 @@ wgetn_wstr(WINDOW *win, wint_t *str, int maxlen)
     if (!win)
 	returnCode(ERR);
 
+    maxlen = _nc_getstr_limit(maxlen);
+
     _nc_get_tty_mode(&buf);
 
-    oldnl = sp->_nl;
-    oldecho = sp->_echo;
-    oldraw = sp->_raw;
-    oldcbreak = sp->_cbreak;
-    nl();
-    noecho();
-    noraw();
-    cbreak();
+    save_flags = sp->_tty_flags;
+    NCURSES_SP_NAME(nl) (NCURSES_SP_ARG);
+    NCURSES_SP_NAME(noecho) (NCURSES_SP_ARG);
+    if (!save_flags._raw)
+	NCURSES_SP_NAME(cbreak) (NCURSES_SP_ARG);
 
-    erasec = (wint_t) erasechar();
-    killc = (wint_t) killchar();
+    NCURSES_SP_NAME(erasewchar) (NCURSES_SP_ARGx &erasec);
+    NCURSES_SP_NAME(killwchar) (NCURSES_SP_ARGx &killc);
 
     getyx(win, y, x);
 
@@ -129,12 +129,12 @@ wgetn_wstr(WINDOW *win, wint_t *str, int maxlen)
 	    code = KEY_CODE_YES;
 	    ch = KEY_ENTER;
 	}
-	if (ch < KEY_MIN) {
-	    if (ch == erasec) {
+	if (ch != 0 && ch < KEY_MIN) {
+	    if (ch == (wint_t) erasec) {
 		ch = KEY_BACKSPACE;
 		code = KEY_CODE_YES;
 	    }
-	    if (ch == killc) {
+	    if (ch == (wint_t) killc) {
 		ch = KEY_EOL;
 		code = KEY_CODE_YES;
 	    }
@@ -142,12 +142,12 @@ wgetn_wstr(WINDOW *win, wint_t *str, int maxlen)
 	if (code == KEY_CODE_YES) {
 	    /*
 	     * Some terminals (the Wyse-50 is the most common) generate a \n
-	     * from the down-arrow key.  With this logic, it's the user's
+	     * from the down-arrow key.  With this logic, it is the user's
 	     * choice whether to set kcud=\n for wget_wch(); terminating
 	     * *getn_wstr() with \n should work either way.
 	     */
 	    if (ch == KEY_DOWN || ch == KEY_ENTER) {
-		if (oldecho == TRUE
+		if (save_flags._echo == TRUE
 		    && win->_cury == win->_maxy
 		    && win->_scroll)
 		    wechochar(win, (chtype) '\n');
@@ -155,21 +155,21 @@ wgetn_wstr(WINDOW *win, wint_t *str, int maxlen)
 	    }
 	    if (ch == KEY_LEFT || ch == KEY_BACKSPACE) {
 		if (tmpstr > oldstr) {
-		    tmpstr = WipeOut(win, y, x, oldstr, tmpstr, oldecho);
+		    tmpstr = WipeOut(win, y, x, oldstr, tmpstr, save_flags._echo);
 		}
 	    } else if (ch == KEY_EOL) {
 		while (tmpstr > oldstr) {
-		    tmpstr = WipeOut(win, y, x, oldstr, tmpstr, oldecho);
+		    tmpstr = WipeOut(win, y, x, oldstr, tmpstr, save_flags._echo);
 		}
 	    } else {
 		beep();
 	    }
-	} else if (maxlen >= 0 && tmpstr - oldstr >= maxlen) {
+	} else if (tmpstr - oldstr >= maxlen) {
 	    beep();
 	} else {
 	    *tmpstr++ = ch;
 	    *tmpstr = 0;
-	    if (oldecho == TRUE) {
+	    if (save_flags._echo == TRUE) {
 		int oldy = win->_cury;
 
 		if (wadd_wint(win, tmpstr - 1) == ERR) {
@@ -179,9 +179,9 @@ wgetn_wstr(WINDOW *win, wint_t *str, int maxlen)
 		     */
 		    win->_flags &= ~_WRAPPED;
 		    waddch(win, (chtype) ' ');
-		    tmpstr = WipeOut(win, y, x, oldstr, tmpstr, oldecho);
+		    tmpstr = WipeOut(win, y, x, oldstr, tmpstr, save_flags._echo);
 		    continue;
-		} else if (win->_flags & _WRAPPED) {
+		} else if (IS_WRAPPED(win)) {
 		    /*
 		     * If the last waddch forced a wrap & scroll, adjust our
 		     * reference point for erasures.
@@ -209,11 +209,7 @@ wgetn_wstr(WINDOW *win, wint_t *str, int maxlen)
     /* Restore with a single I/O call, to fix minor asymmetry between
      * raw/noraw, etc.
      */
-    sp->_nl = oldnl;
-    sp->_echo = oldecho;
-    sp->_raw = oldraw;
-    sp->_cbreak = oldcbreak;
-
+    sp->_tty_flags = save_flags;
     (void) _nc_set_tty_mode(&buf);
 
     *tmpstr = 0;