search: suppress the cursor when highlighting a match

Having a block cursor present when highlighting a match...
does not look nice.  So... hide the cursor until the next
keystroke, unless --showcursor or 'set showcursor' is used.

src/global.c

@@ -80,6 +80,8 @@ linestruct *pletion_line = NULL;
 bool also_the_last = FALSE;
 		/* Whether indenting/commenting should include the last line of
 		 * the marked region. */
+bool hide_cursor = FALSE;
+		/* Whether to suppress the cursor when highlighting a search match. */
 
 char *answer = NULL;
 		/* The answer string used by the status-bar prompt. */

src/help.c

@@ -457,6 +457,9 @@ void show_help(void)
 
 		/* Show the cursor when we searched and found something. */
 		kbinput = get_kbinput(edit, didfind == 1 || ISSET(SHOW_CURSOR));
+
+		openfile->mark = NULL;
+		hide_cursor = FALSE;
 		didfind = 0;
 
 #ifndef NANO_TINY

src/nano.c

@@ -1514,6 +1514,7 @@ void process_a_keystroke(void)
 	input = get_kbinput(edit, VISIBLE);
 
 	lastmessage = VACUUM;
+	hide_cursor = FALSE;
 
 #ifndef NANO_TINY
 	if (input == KEY_WINCH)

src/prototypes.h

@@ -53,6 +53,7 @@ extern message_type lastmessage;
 extern linestruct *pletion_line;
 
 extern bool also_the_last;
+extern bool hide_cursor;
 
 extern char *answer;
 

src/search.c

@@ -327,6 +327,8 @@ int findnextstr(const char *needle, bool whole_word_only, int modus,
 		openfile->mark = line;
 		openfile->mark_x = found_x + found_len;
 		openfile->softmark = TRUE;
+		if (!ISSET(SHOW_CURSOR))
+			hide_cursor = TRUE;
 		shift_held = TRUE;
 	}
 #endif

src/winio.c

@@ -181,7 +181,7 @@ void read_keys_from(WINDOW *win)
 	/* Before reading the first keycode, display any pending screen updates. */
 	doupdate();
 
-	if (reveal_cursor)
+	if (reveal_cursor && !hide_cursor)
 		curs_set(1);
 
 #ifndef NANO_TINY