X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fwidechar%2Flib_ins_wch.c;h=f75361081b62e7a1ad45173aa1685c1d5b141733;hp=e44f091b639f71fecbd565e0e469da2f708f95c7;hb=c0e5fbfcce224693b3effdd295ee49b6b761b754;hpb=3a0d9d27e0cf115ff9dcc6163c251bccaa62bd7d

diff --git a/ncurses/widechar/lib_ins_wch.c b/ncurses/widechar/lib_ins_wch.c
index e44f091b..f7536108 100644
--- a/ncurses/widechar/lib_ins_wch.c
+++ b/ncurses/widechar/lib_ins_wch.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 2002-2005,2009 Free Software Foundation, Inc.              *
+ * Copyright 2019,2020 Thomas E. Dickey                                     *
+ * Copyright 2002-2016,2017 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_ins_wch.c,v 1.11 2009/10/24 22:43:14 tom Exp $")
+MODULE_ID("$Id: lib_ins_wch.c,v 1.25 2020/12/05 20:04:59 tom Exp $")
 
 /*
  * Insert the given character, updating the current location to simplify
@@ -48,44 +49,47 @@ MODULE_ID("$Id: lib_ins_wch.c,v 1.11 2009/10/24 22:43:14 tom Exp $")
 NCURSES_EXPORT(int)
 _nc_insert_wch(WINDOW *win, const cchar_t *wch)
 {
-    int cells = wcwidth(CharOf(CHDEREF(wch)));
-    int cell;
-
-    if (cells <= 0)
-	cells = 1;
-
-    if (win->_curx <= win->_maxx) {
-	struct ldat *line = &(win->_line[win->_cury]);
-	NCURSES_CH_T *end = &(line->text[win->_curx]);
-	NCURSES_CH_T *temp1 = &(line->text[win->_maxx]);
-	NCURSES_CH_T *temp2 = temp1 - cells;
-
-	CHANGED_TO_EOL(line, win->_curx, win->_maxx);
-	while (temp1 > end)
-	    *temp1-- = *temp2--;
+    int cells = _nc_wacs_width(CharOf(CHDEREF(wch)));
+    int code = OK;
+
+    if (cells < 0) {
+	code = winsch(win, (chtype) CharOf(CHDEREF(wch)));
+    } else {
+	if (cells == 0)
+	    cells = 1;
+
+	if (win->_curx <= win->_maxx) {
+	    int cell;
+	    struct ldat *line = &(win->_line[win->_cury]);
+	    NCURSES_CH_T *end = &(line->text[win->_curx]);
+	    NCURSES_CH_T *temp1 = &(line->text[win->_maxx]);
+	    NCURSES_CH_T *temp2 = temp1 - cells;
+
+	    CHANGED_TO_EOL(line, win->_curx, win->_maxx);
+	    while (temp1 > end)
+		*temp1-- = *temp2--;
+
+	    *temp1 = _nc_render(win, *wch);
+	    for (cell = 1; cell < cells; ++cell) {
+		SetWidecExt(temp1[cell], cell);
+	    }
 
-	*temp1 = _nc_render(win, *wch);
-	for (cell = 1; cell < cells; ++cell) {
-	    SetWidecExt(temp1[cell], cell);
+	    win->_curx = (NCURSES_SIZE_T) (win->_curx + cells);
 	}
-
-	win->_curx++;
     }
-    return OK;
+    return code;
 }
 
 NCURSES_EXPORT(int)
 wins_wch(WINDOW *win, const cchar_t *wch)
 {
-    NCURSES_SIZE_T oy;
-    NCURSES_SIZE_T ox;
     int code = ERR;
 
     T((T_CALLED("wins_wch(%p, %s)"), (void *) win, _tracecchar_t(wch)));
 
     if (win != 0) {
-	oy = win->_cury;
-	ox = win->_curx;
+	NCURSES_SIZE_T oy = win->_cury;
+	NCURSES_SIZE_T ox = win->_curx;
 
 	code = _nc_insert_wch(win, wch);
 
@@ -100,9 +104,6 @@ NCURSES_EXPORT(int)
 wins_nwstr(WINDOW *win, const wchar_t *wstr, int n)
 {
     int code = ERR;
-    NCURSES_SIZE_T oy;
-    NCURSES_SIZE_T ox;
-    const wchar_t *cp;
 
     T((T_CALLED("wins_nwstr(%p,%s,%d)"),
        (void *) win, _nc_viswbufn(wstr, n), n));
@@ -110,24 +111,26 @@ wins_nwstr(WINDOW *win, const wchar_t *wstr, int n)
     if (win != 0
 	&& wstr != 0) {
 	if (n < 1)
-	    n = wcslen(wstr);
+	    n = INT_MAX;
 	code = OK;
+
 	if (n > 0) {
+	    const wchar_t *cp;
 	    SCREEN *sp = _nc_screen_of(win);
+	    NCURSES_SIZE_T oy = win->_cury;
+	    NCURSES_SIZE_T ox = win->_curx;
 
-	    oy = win->_cury;
-	    ox = win->_curx;
-	    for (cp = wstr; *cp && ((cp - wstr) < n); cp++) {
-		int len = wcwidth(*cp);
+	    for (cp = wstr; (*cp != L'\0') && ((cp - wstr) < n); cp++) {
+		int len = _nc_wacs_width(*cp);
 
-		if (len != 1 || !is8bits(*cp)) {
+		if ((len >= 0 && len != 1) || !is7bits(*cp)) {
 		    cchar_t tmp_cchar;
 		    wchar_t tmp_wchar = *cp;
 		    memset(&tmp_cchar, 0, sizeof(tmp_cchar));
 		    (void) setcchar(&tmp_cchar,
 				    &tmp_wchar,
 				    WA_NORMAL,
-				    0,
+				    (short) 0,
 				    (void *) 0);
 		    code = _nc_insert_wch(win, &tmp_cchar);
 		} else {