ncurses 5.7 - patch 20090912

[ncurses.git] / ncurses / widechar / lib_ins_wch.c

diff --git a/ncurses/widechar/lib_ins_wch.c b/ncurses/widechar/lib_ins_wch.c
index 6417eea2ed7362af816cea7b124e364e59ae5a74..ae3302c4c33527b8f2f787f856a9456276c9ecd0 100644 (file)
--- a/ncurses/widechar/lib_ins_wch.c
+++ b/ncurses/widechar/lib_ins_wch.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2002,2003 Free Software Foundation, Inc.                   *
+ * Copyright (c) 2002-2005,2009 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            *
@@ -39,33 +39,43 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_ins_wch.c,v 1.3 2003/03/29 21:52:29 tom Exp $")
+MODULE_ID("$Id: lib_ins_wch.c,v 1.10 2009/09/12 18:07:23 tom Exp $")
 
 /*
  * Insert the given character, updating the current location to simplify
  * inserting a string.
  */
-static void
-_nc_insert_wch(WINDOW *win, const cchar_t * wch)
+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 - 1;
+       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);
+       }
 
        win->_curx++;
     }
+    return OK;
 }
 
 NCURSES_EXPORT(int)
-wins_wch(WINDOW *win, const cchar_t * wch)
+wins_wch(WINDOW *win, const cchar_t *wch)
 {
     NCURSES_SIZE_T oy;
     NCURSES_SIZE_T ox;
@@ -77,18 +87,17 @@ wins_wch(WINDOW *win, const cchar_t * wch)
        oy = win->_cury;
        ox = win->_curx;
 
-       _nc_insert_wch(win, wch);
+       code = _nc_insert_wch(win, wch);
 
        win->_curx = ox;
        win->_cury = oy;
        _nc_synchook(win);
-       code = OK;
     }
     returnCode(code);
 }
 
 NCURSES_EXPORT(int)
-wins_nwstr(WINDOW *win, const wchar_t * wstr, int n)
+wins_nwstr(WINDOW *win, const wchar_t *wstr, int n)
 {
     int code = ERR;
     NCURSES_SIZE_T oy;
@@ -101,11 +110,16 @@ wins_nwstr(WINDOW *win, const wchar_t * wstr, int n)
        && wstr != 0) {
        if (n < 1)
            n = wcslen(wstr);
+       code = OK;
        if (n > 0) {
+           SCREEN *sp = _nc_screen_of(win);
+
            oy = win->_cury;
            ox = win->_curx;
            for (cp = wstr; *cp && ((cp - wstr) < n); cp++) {
-               if (wcwidth(*cp) > 1) {
+               int len = wcwidth(*cp);
+
+               if (len != 1 || !is8bits(*cp)) {
                    cchar_t tmp_cchar;
                    wchar_t tmp_wchar = *cp;
                    memset(&tmp_cchar, 0, sizeof(tmp_cchar));
@@ -114,17 +128,19 @@ wins_nwstr(WINDOW *win, const wchar_t * wstr, int n)
                                    WA_NORMAL,
                                    0,
                                    (void *) 0);
-                   _nc_insert_wch(win, &tmp_cchar);
+                   code = _nc_insert_wch(win, &tmp_cchar);
                } else {
-                   _nc_insert_ch(win, *cp);    /* tabs, other ASCII stuff */
+                   /* tabs, other ASCII stuff */
+                   code = _nc_insert_ch(sp, win, (chtype) (*cp));
                }
+               if (code != OK)
+                   break;
            }
 
            win->_curx = ox;
            win->_cury = oy;
            _nc_synchook(win);
        }
-       code = OK;
     }
     returnCode(code);
 }