X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fwidechar%2Flib_ins_wch.c;h=1eee8a3ec016b01981783d7cdcc976f9e52cf17c;hp=0821ee590bf810fa2997eccabcd141d015d41da8;hb=bd75bb126bdbd8300fe73e8e8b2fe97bd07eef75;hpb=46722468f47c2b77b3987729b4bcf2321cccfd01

diff --git a/ncurses/widechar/lib_ins_wch.c b/ncurses/widechar/lib_ins_wch.c
index 0821ee59..1eee8a3e 100644
--- a/ncurses/widechar/lib_ins_wch.c
+++ b/ncurses/widechar/lib_ins_wch.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2002 Free Software Foundation, Inc.                        *
+ * Copyright (c) 2002-2009,2010 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            *
@@ -39,27 +39,114 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_ins_wch.c,v 1.1 2002/03/10 22:25:06 tom Exp $")
+MODULE_ID("$Id: lib_ins_wch.c,v 1.16 2010/12/19 01:34:04 tom Exp $")
+
+/*
+ * Insert the given character, updating the current location to simplify
+ * inserting a string.
+ */
+NCURSES_EXPORT(int)
+_nc_insert_wch(WINDOW *win, const cchar_t *wch)
+{
+    int cells = wcwidth(CharOf(CHDEREF(wch)));
+    int cell;
+    int code = OK;
+
+    if (cells < 0) {
+	code = winsch(win, (chtype) CharOf(CHDEREF(wch)));
+    } else {
+	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--;
+
+	    *temp1 = _nc_render(win, *wch);
+	    for (cell = 1; cell < cells; ++cell) {
+		SetWidecExt(temp1[cell], cell);
+	    }
+
+	    win->_curx++;
+	}
+    }
+    return code;
+}
 
 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;
     int code = ERR;
 
-    T((T_CALLED("wins_wch(%p, %s)"), win, _tracecchar_t(wch)));
+    T((T_CALLED("wins_wch(%p, %s)"), (void *) win, _tracecchar_t(wch)));
 
-    if (win) {
-	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;
+    if (win != 0) {
+	oy = win->_cury;
+	ox = win->_curx;
 
-	CHANGED_TO_EOL(line, win->_curx, win->_maxx);
-	while (temp1 > end)
-	    *temp1-- = *temp2--;
+	code = _nc_insert_wch(win, wch);
 
-	*temp1 = _nc_render(win, *wch);
+	win->_curx = ox;
+	win->_cury = oy;
+	_nc_synchook(win);
+    }
+    returnCode(code);
+}
+
+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));
+
+    if (win != 0
+	&& wstr != 0) {
+	if (n < 1)
+	    n = (int) 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++) {
+		int len = wcwidth(*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,
+				    (void *) 0);
+		    code = _nc_insert_wch(win, &tmp_cchar);
+		} else {
+		    /* 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);
+	}
     }
     returnCode(code);
 }