about summary refs log tree commit diff
diff options
context:
space:
mode:
authorPeter Stephenson <pws@users.sourceforge.net>2007-10-28 00:21:54 +0000
committerPeter Stephenson <pws@users.sourceforge.net>2007-10-28 00:21:54 +0000
commit52d3fdc80eec12f43f005a93e902dbc64e7591fc (patch)
treef92b0f5bae2a35d14047cb4c3e11e046de703df1
parent1c6416596ab0baa03302f09a9ae67377756637bf (diff)
downloadzsh-52d3fdc80eec12f43f005a93e902dbc64e7591fc.tar.gz
zsh-52d3fdc80eec12f43f005a93e902dbc64e7591fc.tar.xz
zsh-52d3fdc80eec12f43f005a93e902dbc64e7591fc.zip
24026: default colors in zcurses
-rw-r--r--ChangeLog4
-rw-r--r--Doc/Zsh/mod_curses.yo9
-rw-r--r--Src/Modules/curses.c15
-rw-r--r--configure.ac2
4 files changed, 27 insertions, 3 deletions
diff --git a/ChangeLog b/ChangeLog
index dbdafa24d..684ce15f6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2007-10-28  Peter Stephenson  <p.w.stephenson@ntlworld.com>
 
+	* 24026: Doc/Zsh/mod_curses.yo, Src/Modules/curses.c:
+	handle default/default colorpair and handle color
+	default separately if use_default_colors() is available.
+
 	* unposted: Doc/Zsh/mod_curses.yo: Oops, misdescribed the
 	effect of getmaxyx().
 
diff --git a/Doc/Zsh/mod_curses.yo b/Doc/Zsh/mod_curses.yo
index 4198038e1..9cd521d19 100644
--- a/Doc/Zsh/mod_curses.yo
+++ b/Doc/Zsh/mod_curses.yo
@@ -83,9 +83,14 @@ color pair for any successive character output.  Each var(attribute)
 given on the line may be prepended by a tt(+) to set or a tt(-) to
 unset that attribute; tt(+) is assumed if absent.  The attributes
 supported are tt(blink), tt(bold), tt(dim), tt(reverse), tt(standout),
-and tt(underline).  Each var(fg_col)tt(/)var(bg_col) (to be read as
+and tt(underline).
+
+Each var(fg_col)tt(/)var(bg_col) attribute (to be read as
 `var(fg_col) on var(bg_col)') sets the foreground and background color
-for character output.
+for character output.  The color tt(default) is sometimes available
+(in particular if the library is ncurses), specifying the foreground
+or background color with which the terminal started.  The color pair
+tt(default/default) is always available.
 
 tt(scroll) can be used with tt(on) or tt(off) to enabled or disable
 scrolling of a window when the cursor would otherwise move below the
diff --git a/Src/Modules/curses.c b/Src/Modules/curses.c
index 919049ab0..e82576133 100644
--- a/Src/Modules/curses.c
+++ b/Src/Modules/curses.c
@@ -121,6 +121,9 @@ static const struct zcurses_namenumberpair zcurses_colors[] = {
     {"magenta", COLOR_MAGENTA},
     {"cyan", COLOR_CYAN},
     {"white", COLOR_WHITE},
+#ifdef HAVE_USE_DEFAULT_COLORS
+    {"default", -1},
+#endif
     {NULL, 0}
 };
 
@@ -337,6 +340,8 @@ zccmd_init(const char *nam, char **args)
 	w->flags = ZCWF_PERMANENT;
 	zinsertlinknode(zcurses_windows, lastnode(zcurses_windows), (void *)w);
 	if (start_color() != ERR) {
+	    Colorpairnode cpn;
+
 	    if(!zc_color_phase)
 		zc_color_phase = 1;
 	    zcurses_colorpairs = newhashtable(8, "zc_colorpairs", NULL);
@@ -354,6 +359,16 @@ zccmd_init(const char *nam, char **args)
 	    zcurses_colorpairs->freenode    = freecolorpairnode;
 	    zcurses_colorpairs->printnode   = NULL;
 
+#ifdef HAVE_USE_DEFAULT_COLORS
+	    use_default_colors();
+#endif
+	    /* Initialise the default color pair, always 0 */
+	    cpn = (Colorpairnode)zalloc(sizeof(struct colorpairnode));
+	    if (cpn) {
+		cpn->colorpair = 0;
+		addhashnode(zcurses_colorpairs,
+			    ztrdup("default/default"), (void *)cpn);
+	    }
 	}
 	/*
 	 * We use cbreak mode because we don't want line buffering
diff --git a/configure.ac b/configure.ac
index ebd339630..85eb2141f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1134,7 +1134,7 @@ AC_CHECK_FUNCS(strftime strptime mktime timelocal \
 	       brk sbrk \
 	       pathconf sysconf \
 	       tgetent tigetflag tigetnum tigetstr setupterm initscr \
-	       setcchar waddwstr wget_wch \
+	       setcchar waddwstr wget_wch use_default_colors \
 	       pcre_compile pcre_study pcre_exec \
 	       nl_langinfo \
 	       erand48 open_memstream \