From d9562b264f00d015c0bcd75bd8fa3e4cece9eddb Mon Sep 17 00:00:00 2001
From: Ali Gholami Rudi <ali@rudi.ir>
Date: Fri, 10 Mar 2017 14:10:40 +0330
Subject: [PATCH] vi: for ex messages use "---" filetype

---
 led.c | 22 +++++++++++++++++++---
 vi.c  |  2 +-
 vi.h  |  1 +
 3 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/led.c b/led.c
index bfc3fc0..9d673dd 100644
--- a/led.c
+++ b/led.c
@@ -1,3 +1,4 @@
+/* line editing and drawing */
 #include <ctype.h>
 #include <stdio.h>
 #include <string.h>
@@ -33,6 +34,7 @@ static int led_offdir(char **chrs, int *pos, int i)
 	return 0;
 }
 
+/* highlight text in reverse direction */
 static void led_markrev(int n, char **chrs, int *pos, int *att)
 {
 	int i = 0, j;
@@ -51,7 +53,8 @@ static void led_markrev(int n, char **chrs, int *pos, int *att)
 	}
 }
 
-static char *led_render(char *s0, int cbeg, int cend)
+/* render and highlight a line */
+static char *led_render(char *s0, int cbeg, int cend, char *syn)
 {
 	int n;
 	int *pos;	/* pos[i]: the screen position of the i-th character */
@@ -75,7 +78,7 @@ static char *led_render(char *s0, int cbeg, int cend)
 			for (j = 0; j < curwid; j++)
 				off[led_posctx(ctx, pos[i] + j, cbeg, cend)] = i;
 	}
-	att = syn_highlight(ex_filetype(), s0);
+	att = syn_highlight(syn, s0);
 	led_markrev(n, chrs, pos, att);
 	out = sbuf_make();
 	i = cbeg;
@@ -107,9 +110,20 @@ static char *led_render(char *s0, int cbeg, int cend)
 	return sbuf_done(out);
 }
 
+/* print a line on the screen */
 void led_print(char *s, int row)
 {
-	char *r = led_render(s, xleft, xleft + xcols);
+	char *r = led_render(s, xleft, xleft + xcols, ex_filetype());
+	term_pos(row, 0);
+	term_kill();
+	term_str(r);
+	free(r);
+}
+
+/* print a line on the screen; for ex messages */
+void led_printmsg(char *s, int row)
+{
+	char *r = led_render(s, xleft, xleft + xcols, "---");
 	term_pos(row, 0);
 	term_kill();
 	term_str(r);
@@ -199,6 +213,7 @@ static char *led_readchar(int c, char *kmap)
 	return kmap_map(kmap, c);
 }
 
+/* read a character from the terminal */
 char *led_read(char **kmap)
 {
 	int c = term_read();
@@ -218,6 +233,7 @@ char *led_read(char **kmap)
 	return NULL;
 }
 
+/* read a line from the terminal */
 static char *led_line(char *pref, char *post, char *ai, int ai_max, int *key, char **kmap)
 {
 	struct sbuf *sb;
diff --git a/vi.c b/vi.c
index 28a837b..a910c41 100644
--- a/vi.c
+++ b/vi.c
@@ -45,7 +45,7 @@ static void vi_drawmsg(void)
 {
 	int oleft = xleft;
 	xleft = 0;
-	led_print(vi_msg, xrows);
+	led_printmsg(vi_msg, xrows);
 	vi_msg[0] = '\0';
 	xleft = oleft;
 }
diff --git a/vi.h b/vi.h
index e7b62f2..0576db6 100644
--- a/vi.h
+++ b/vi.h
@@ -133,6 +133,7 @@ char *led_prompt(char *pref, char *post, char **kmap);
 char *led_input(char *pref, char *post, char **kmap);
 char *led_read(char **kmap);
 void led_print(char *msg, int row);
+void led_printmsg(char *s, int row);
 int led_pos(char *s, int pos);
 
 /* ex commands */
-- 
2.11.4.GIT