add -U/--quickblank option, a Meta-U toggle, and a "quickblank" rcfile

option to blank the statusbar after 1 keystroke instead of 25; note that
this is disabled when NANO_SMALL is defined


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@2709 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -105,6 +105,12 @@ CVS code -
 	- Since the DISABLE_CURPOS flag is only used in winio.c, reduce
 	  it to a static bool there.  Changes to statusbar() and
 	  disable_cursorpos(). (DLR)
+	- Add -U/--quickblank option, a Meta-U toggle, and a
+	  "quickblank" rcfile option to blank the statusbar after 1
+	  keystroke instead of 25.  Note that this is disabled when
+	  NANO_SMALL is defined.  Changes to toggle_init(), usage(),
+	  main(), statusbar(), nanorc.sample, nano.1, and nanorc.5.
+	  (DLR, suggested by CHAO Wei-Lun)
 - chars.c:
   make_mbstring()
 	- Change erroneous ENABLE_EXTRA #ifdef to NANO_EXTRA to fix a

doc/man/nano.1

@@ -6,7 +6,7 @@
 .\" Public License for copying conditions.  There is NO warranty.
 .\"
 .\" $Id$
-.TH NANO 1 "version 1.3.8" "June 16, 2005"
+.TH NANO 1 "version 1.3.8" "June 17, 2005"
 .\" Please adjust this date whenever revising the manpage.
 .\"
 
@@ -91,6 +91,10 @@ usual chunk-by-chunk behavior.
 .B \-T \fIcols\fP (\-\-tabsize=\fIcols\fP)
 Set the size (width) of a tab to \fIcols\fP columns.
 .TP
+.B \-U (\-\-quickblank)
+Do quick statusbar blanking.  Statusbar messages will disappear after 1
+keystroke instead of 25.
+.TP
 .B \-V (\-\-version)
 Show the current version number and author.
 .TP

doc/man/nanorc.5

@@ -114,6 +114,10 @@ Set the characters treated as closing punctuation.  They cannot contain
 blank characters.  Only closing punctuation, optionally followed by
 closing brackets, can end sentences.
 .TP
+.B set quickblank
+Do quick statusbar blanking.  Statusbar messages will disappear after 1
+keystroke instead of 25.
+.TP
 .B set quotestr "\fIstring\fP"
 The email-quote string, used to justify email-quoted paragraphs.  This
 is an "extended regular expression" if your system supports them,

doc/nanorc.sample

@@ -85,6 +85,11 @@
 ##
 # set punct ".?!"
 
+## Do quick statusbar blanking.  Statusbar messages will disappear after
+## 1 keystroke instead of 25.
+##
+# set quickblank
+
 ## The email-quote string, used to justify email-quoted paragraphs.
 ## This is an extended regular expression if your system supports them,
 ## otherwise a literal string.  Default:
@@ -273,8 +278,8 @@
 ## highlight possible errors and parameters
 # color brightwhite "^ *(set|unset|syntax|color).*$"
 ## set, unset and syntax
-# color cyan "^ *(set|unset) +(autoindent|backup|backupdir|backwards|brackets|casesensitive|const|cut|fill|historylog|morespace|mouse|multibuffer|noconvert|nofollow|nohelp|nowrap|operatingdir|preserve|punct|quotestr|rebinddelete|regexp|smarthome|smooth|speller)\>"
-# color cyan "^ *(set|unset) +(suspend|tabsize|tabstospaces|tempfile|view|whitespace)"
+# color cyan "^ *(set|unset) +(autoindent|backup|backupdir|backwards|brackets|casesensitive|const|cut|fill|historylog|morespace|mouse|multibuffer|noconvert|nofollow|nohelp|nowrap|operatingdir|preserve|punct|quickblank|quotestr|rebinddelete|regexp|smarthome|smooth)\>"
+# color cyan "^ *(set|unset) +(speller|suspend|tabsize|tabstospaces|tempfile|view|whitespace)"
 # color green "^ *(set|unset|syntax)\>"
 ## colors
 # color yellow "^ *color *(bright)?(white|black|red|blue|green|yellow|magenta|cyan)(,(white|black|red|blue|green|yellow|magenta|cyan))?\>"

src/global.c

@@ -1153,6 +1153,8 @@ void toggle_init(void)
 	N_("Use of more space for editing"), MORE_SPACE);
     toggle_init_one(TOGGLE_TABSTOSPACES_KEY,
 	N_("Conversion of typed tabs to spaces"), TABS_TO_SPACES);
+    toggle_init_one(TOGGLE_QUICKBLANK_KEY,
+	N_("Quick statusbar blanking"), QUICK_BLANK);
 }
 #endif /* !NANO_SMALL */
 

src/nano.c

@@ -1056,6 +1056,8 @@ void usage(void)
 #endif
     print1opt(_("-T [#cols]"), _("--tabsize=[#cols]"),
 	N_("Set width of a tab in cols to #cols"));
+    print1opt("-U", _("--quickblank"),
+	N_("Do quick statusbar blanking"));
     print1opt("-V", "--version",
 	N_("Print version information and exit"));
 #ifdef ENABLE_COLOR
@@ -4151,6 +4153,7 @@ int main(int argc, char **argv)
 	{"historylog", 0, NULL, 'H'},
 	{"noconvert", 0, NULL, 'N'},
 	{"smooth", 0, NULL, 'S'},
+	{"quickblank", 0, NULL, 'U'},
 	{"restricted", 0, NULL, 'Z'},
 	{"autoindent", 0, NULL, 'i'},
 	{"cut", 0, NULL, 'k'},
@@ -4192,11 +4195,11 @@ int main(int argc, char **argv)
     while ((optchr =
 #ifdef HAVE_GETOPT_LONG
 	getopt_long(argc, argv,
-		"h?ABC:EFHINOQ:ST:VY:Zabcdefgijklmo:pr:s:tvwxz",
+		"h?ABC:EFHINOQ:ST:UVY:Zabcdefgijklmo:pr:s:tvwxz",
 		long_options, NULL)
 #else
 	getopt(argc, argv,
-		"h?ABC:EFHINOQ:ST:VY:Zabcdefgijklmo:pr:s:tvwxz")
+		"h?ABC:EFHINOQ:ST:UVY:Zabcdefgijklmo:pr:s:tvwxz")
 #endif
 		) != -1) {
 
@@ -4263,6 +4266,11 @@ int main(int argc, char **argv)
 		    exit(1);
 		}
 		break;
+#ifndef NANO_SMALL
+	    case 'U':
+		SET(QUICK_BLANK);
+		break;
+#endif
 	    case 'V':
 		version();
 		exit(0);

src/nano.h

@@ -303,7 +303,8 @@ typedef struct syntaxtype {
 #define WHITESPACE_DISPLAY	(1<<26)
 #define MORE_SPACE		(1<<27)
 #define TABS_TO_SPACES		(1<<28)
-#define USE_UTF8		(1<<29)
+#define QUICK_BLANK		(1<<29)
+#define USE_UTF8		(1<<30)
 
 /* Control key sequences.  Changing these would be very, very bad. */
 #define NANO_CONTROL_SPACE 0
@@ -490,6 +491,7 @@ typedef struct syntaxtype {
 #define TOGGLE_WHITESPACE_KEY	NANO_ALT_P
 #define TOGGLE_MORESPACE_KEY	NANO_ALT_O
 #define TOGGLE_TABSTOSPACES_KEY	NANO_ALT_E
+#define TOGGLE_QUICKBLANK_KEY	NANO_ALT_U
 #endif /* !NANO_SMALL */
 
 #define MAIN_VISIBLE 12

src/rcfile.c

@@ -84,6 +84,7 @@ const static rcoption rcopts[] = {
     {"cut", CUT_TO_END},
     {"historylog", HISTORYLOG},
     {"noconvert", NO_CONVERT},
+    {"quickblank", QUICK_BLANK},
     {"smarthome", SMART_HOME},
     {"smooth", SMOOTH_SCROLL},
     {"tabstospaces", TABS_TO_SPACES},

src/winio.c

@@ -2893,7 +2893,11 @@ void statusbar(const char *msg, ...)
     }
 
     disable_cursorpos = TRUE;
-    statusblank = 25;
+    statusblank =
+#ifndef NANO_SMALL
+	ISSET(QUICK_BLANK) ? 1 :
+#endif
+	25;
 }
 
 void bottombars(const shortcut *s)