ncurses 5.7 - patch 20100403

[ncurses.git] / ncurses / base / lib_addch.c

diff --git a/ncurses/base/lib_addch.c b/ncurses/base/lib_addch.c
index 1ef6cc5803d3f3dca39cd370d1faad2c57e00fcb..3e62d17c8db98da6aa326aaa25ab100e34b2daa0 100644 (file)
--- a/ncurses/base/lib_addch.c
+++ b/ncurses/base/lib_addch.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2006,2008 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2009,2010 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            *
@@ -36,7 +36,7 @@
 #include <curses.priv.h>
 #include <ctype.h>
 
-MODULE_ID("$Id: lib_addch.c,v 1.108 2008/02/03 18:50:27 tom Exp $")
+MODULE_ID("$Id: lib_addch.c,v 1.123 2010/03/31 23:38:02 tom Exp $")
 
 static const NCURSES_CH_T blankchar = NewChar(BLANK_TEXT);
 
@@ -77,12 +77,6 @@ render_char(WINDOW *win, NCURSES_CH_T ch)
            if ((pair = GET_WINDOW_PAIR(win)) == 0)
                pair = GetPair(win->_nc_bkgd);
        }
-#if 0
-       if (pair > 255) {
-           NCURSES_CH_T fixme = ch;
-           SetPair(fixme, pair);
-       }
-#endif
        AddAttr(ch, (a & COLOR_MASK(AttrOf(ch))));
        SetPair(ch, pair);
     }
@@ -210,14 +204,16 @@ _nc_build_wch(WINDOW *win, ARG_CH_T ch)
     WINDOW_EXT(win, addch_y) = y;
 
     init_mb(state);
-    buffer[WINDOW_EXT(win, addch_used)] = CharOf(CHDEREF(ch));
+    buffer[WINDOW_EXT(win, addch_used)] = (char) CharOf(CHDEREF(ch));
     WINDOW_EXT(win, addch_used) += 1;
     buffer[WINDOW_EXT(win, addch_used)] = '\0';
     if ((len = mbrtowc(&result,
                       buffer,
                       WINDOW_EXT(win, addch_used), &state)) > 0) {
        attr_t attrs = AttrOf(CHDEREF(ch));
+       if_EXT_COLORS(int pair = GetPair(CHDEREF(ch)));
        SetChar(CHDEREF(ch), result, attrs);
+       if_EXT_COLORS(SetPair(CHDEREF(ch), pair));
        WINDOW_EXT(win, addch_used) = 0;
     } else if (len == -1) {
        /*
@@ -258,20 +254,37 @@ waddch_literal(WINDOW *win, NCURSES_CH_T ch)
     /*
      * Build up multibyte characters until we have a wide-character.
      */
+#if NCURSES_SP_FUNCS
+#define DeriveSP() SCREEN *sp = _nc_screen_of(win);
+#else
+#define DeriveSP()             /*nothing */
+#endif
     if_WIDEC({
+       DeriveSP();
        if (WINDOW_EXT(win, addch_used) != 0 || !Charable(ch)) {
            int len = _nc_build_wch(win, CHREF(ch));
 
            if (len >= -1) {
-               /* handle EILSEQ */
-               if (is8bits(CharOf(ch))) {
-                   const char *s = unctrl((chtype) CharOf(ch));
-                   if (s[1] != 0) {
-                       return waddstr(win, s);
+               attr_t attr = AttrOf(ch);
+
+               /* handle EILSEQ (i.e., when len >= -1) */
+               if (len == -1 && is8bits(CharOf(ch))) {
+                   int rc = OK;
+                   const char *s = NCURSES_SP_NAME(unctrl)
+                     (NCURSES_SP_ARGx (chtype) CharOf(ch));
+
+                   if (s[1] != '\0') {
+                       while (*s != '\0') {
+                           rc = waddch(win, UChar(*s) | attr);
+                           if (rc != OK)
+                               break;
+                           ++s;
+                       }
+                       return rc;
                    }
                }
                if (len == -1)
-                   return waddch(win, ' ');
+                   return waddch(win, ' ' | attr);
            } else {
                return OK;
            }
@@ -288,12 +301,15 @@ waddch_literal(WINDOW *win, NCURSES_CH_T ch)
        int len = wcwidth(CharOf(ch));
        int i;
        int j;
+       wchar_t *chars;
 
        if (len == 0) {         /* non-spacing */
            if ((x > 0 && y >= 0)
-               || ((y = win->_cury - 1) >= 0 &&
-                   (x = win->_maxx) > 0)) {
-               wchar_t *chars = (win->_line[y].text[x - 1].chars);
+               || (win->_maxx >= 0 && win->_cury >= 1)) {
+               if (x > 0 && y >= 0)
+                   chars = (win->_line[y].text[x - 1].chars);
+               else
+                   chars = (win->_line[y - 1].text[win->_maxx].chars);
                for (i = 0; i < CCHARW_MAX; ++i) {
                    if (chars[i] == 0) {
                        TR(TRACE_VIRTPUT,
@@ -322,6 +338,7 @@ waddch_literal(WINDOW *win, NCURSES_CH_T ch)
                    return ERR;
                x = win->_curx;
                y = win->_cury;
+               line = win->_line + y;
            }
            /*
             * Check for cells which are orphaned by adding this character, set
@@ -389,8 +406,11 @@ waddch_nosync(WINDOW *win, const NCURSES_CH_T ch)
 {
     NCURSES_SIZE_T x, y;
     chtype t = CharOf(ch);
-    const char *s = unctrl(t);
-
+#if USE_WIDEC_SUPPORT || NCURSES_SP_FUNCS || USE_REENTRANT
+    SCREEN *sp = _nc_screen_of(win);
+#endif
+    const char *s = NCURSES_SP_NAME(unctrl) (NCURSES_SP_ARGx t);
+    int tabsize = 8;
     /*
      * If we are using the alternate character set, forget about locale.
      * Otherwise, if unctrl() returns a single-character or the locale
@@ -399,14 +419,14 @@ waddch_nosync(WINDOW *win, const NCURSES_CH_T ch)
     if ((AttrOf(ch) & A_ALTCHARSET)
        || (
 #if USE_WIDEC_SUPPORT
-              (SP != 0 && SP->_legacy_coding) &&
+              (sp != 0 && sp->_legacy_coding) &&
 #endif
               s[1] == 0
        )
        || (
               isprint(t)
 #if USE_WIDEC_SUPPORT
-              || ((SP == 0 || !SP->_legacy_coding) &&
+              || ((sp == 0 || !sp->_legacy_coding) &&
                   (WINDOW_EXT(win, addch_used)
                    || !_nc_is_charable(CharOf(ch))))
 #endif
@@ -422,8 +442,12 @@ waddch_nosync(WINDOW *win, const NCURSES_CH_T ch)
 
     switch (t) {
     case '\t':
-       x += (TABSIZE - (x % TABSIZE));
-
+#if USE_REENTRANT
+       tabsize = *ptrTabsize(sp);
+#else
+       tabsize = TABSIZE;
+#endif
+       x += (tabsize - (x % tabsize));
        /*
         * Space-fill the tab on the bottom line so that we'll get the
         * "correct" cursor position.
@@ -474,6 +498,7 @@ waddch_nosync(WINDOW *win, const NCURSES_CH_T ch)
        while (*s) {
            NCURSES_CH_T sch;
            SetChar(sch, *s++, AttrOf(ch));
+           if_EXT_COLORS(SetPair(sch, GetPair(ch)));
            if (waddch_literal(win, sch) == ERR)
                return ERR;
        }
@@ -508,7 +533,7 @@ waddch(WINDOW *win, const chtype ch)
     NCURSES_CH_T wch;
     SetChar2(wch, ch);
 
-    TR(TRACE_VIRTPUT | TRACE_CCALLS, (T_CALLED("waddch(%p, %s)"), win,
+    TR(TRACE_VIRTPUT | TRACE_CCALLS, (T_CALLED("waddch(%p, %s)"), (void *) win,
                                      _tracechtype(ch)));
 
     if (win && (waddch_nosync(win, wch) != ERR)) {
@@ -527,7 +552,8 @@ wechochar(WINDOW *win, const chtype ch)
     NCURSES_CH_T wch;
     SetChar2(wch, ch);
 
-    TR(TRACE_VIRTPUT | TRACE_CCALLS, (T_CALLED("wechochar(%p, %s)"), win,
+    TR(TRACE_VIRTPUT | TRACE_CCALLS, (T_CALLED("wechochar(%p, %s)"),
+                                     (void *) win,
                                      _tracechtype(ch)));
 
     if (win && (waddch_nosync(win, wch) != ERR)) {