X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fwidechar%2Flib_ins_wch.c;h=57f142b7cad9912428dbbc800fea4ac7d7f18887;hp=6417eea2ed7362af816cea7b124e364e59ae5a74;hb=81c758ae6facb0256dbc8a9d1d93795dd093d683;hpb=a8987e73ec254703634802b4f7ee30d3a485524d

diff --git a/ncurses/widechar/lib_ins_wch.c b/ncurses/widechar/lib_ins_wch.c
index 6417eea2..57f142b7 100644
--- 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) 2002-2016,2017 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            *
@@ -39,92 +39,111 @@
 
 #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 1.22 2017/04/08 22:52:26 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)
 {
-    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;
-
-	CHANGED_TO_EOL(line, win->_curx, win->_maxx);
-	while (temp1 > end)
-	    *temp1-- = *temp2--;
-
-	*temp1 = _nc_render(win, *wch);
+    int cells = wcwidth(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);
+	    }
 
-	win->_curx++;
+	    win->_curx = (NCURSES_SIZE_T) (win->_curx + cells);
+	}
     }
+    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 != 0) {
-	oy = win->_cury;
-	ox = win->_curx;
+	NCURSES_SIZE_T oy = win->_cury;
+	NCURSES_SIZE_T 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;
-    NCURSES_SIZE_T ox;
-    const wchar_t *cp;
 
-    T((T_CALLED("wins_nwstr(%p,%s,%d)"), win, _nc_viswbufn(wstr, n), n));
+    T((T_CALLED("wins_nwstr(%p,%s,%d)"),
+       (void *) win, _nc_viswbufn(wstr, n), n));
 
     if (win != 0
 	&& wstr != 0) {
 	if (n < 1)
-	    n = wcslen(wstr);
+	    n = (int) wcslen(wstr);
+	code = OK;
+
 	if (n > 0) {
-	    oy = win->_cury;
-	    ox = win->_curx;
-	    for (cp = wstr; *cp && ((cp - wstr) < n); cp++) {
-		if (wcwidth(*cp) > 1) {
+	    const wchar_t *cp;
+	    SCREEN *sp = _nc_screen_of(win);
+	    NCURSES_SIZE_T oy = win->_cury;
+	    NCURSES_SIZE_T ox = win->_curx;
+
+	    for (cp = wstr; ((cp - wstr) < n) && *cp; 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,
+				    (short) 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);
 }