Add a new flag to vidcontrol, -T, that allows terminal mode switching.

This will make it more easy for people to experiment with TERM=xterm.
Instead of echoing these strange escape sequences, I can just instruct
them to run `vidcontrol -T xterm'.

2 files changed, 22 insertions, 3 deletions

diff --git a/usr.sbin/vidcontrol/vidcontrol.1 b/usr.sbin/vidcontrol/vidcontrol.1
index 2abaa1e..cb545ee 100644
--- a/usr.sbin/vidcontrol/vidcontrol.1
+++ b/usr.sbin/vidcontrol/vidcontrol.1
@@ -38,6 +38,7 @@
 .Op Fl r Ar foreground Ar background
 .Op Fl S Cm on | off
 .Op Fl s Ar number
+.Op Fl T Cm xterm | cons25
 .Op Fl t Ar N | Cm off
 .Op Ar mode
 .Op Ar foreground Op Ar background
@@ -243,6 +244,8 @@ is supposed to be physically secure.
 .It Fl s Ar number
 Set the current vty to
 .Ar number .
+.It Fl T Cm xterm | cons25
+Switch between xterm and cons25 style terminal emulation.
 .It Fl t Ar N | Cm off
 Set the screensaver timeout to
 .Ar N
diff --git a/usr.sbin/vidcontrol/vidcontrol.c b/usr.sbin/vidcontrol/vidcontrol.c
index 847ff3e..06afe53 100644
--- a/usr.sbin/vidcontrol/vidcontrol.c
+++ b/usr.sbin/vidcontrol/vidcontrol.c
@@ -185,8 +185,8 @@ usage(void)
 "usage: vidcontrol [-CdHLPpx] [-b color] [-c appearance] [-f [size] file]",
 "                  [-g geometry] [-h size] [-i adapter | mode] [-l screen_map]",
 "                  [-M char] [-m on | off] [-r foreground background]",
-"                  [-S on | off] [-s number] [-t N | off] [mode]",
-"                  [foreground [background]] [show]");
+"                  [-S on | off] [-s number] [-T xterm | cons25] [-t N | off]",
+"                  [mode] [foreground [background]] [show]");
 	exit(1);
 }
 
@@ -1159,6 +1159,18 @@ clear_history(void)
 	}
 }
 
+static void
+set_terminal_mode(char *arg)
+{
+
+	if (strcmp(arg, "xterm") == 0)
+		fprintf(stderr, "\033[=T");
+	else if (strcmp(arg, "cons25") == 0)
+		fprintf(stderr, "\033[=1T");
+	else
+		usage();
+}
+
 
 int
 main(int argc, char **argv)
@@ -1175,7 +1187,8 @@ main(int argc, char **argv)
 		err(1, "must be on a virtual console");
 	dumpmod = 0;
 	dumpopt = DUMP_FBF;
-	while((opt = getopt(argc, argv, "b:Cc:df:g:h:Hi:l:LM:m:pPr:S:s:t:x")) != -1)
+	while ((opt = getopt(argc, argv,
+	    "b:Cc:df:g:h:Hi:l:LM:m:pPr:S:s:T:t:x")) != -1)
 		switch(opt) {
 		case 'b':
 			set_border_color(optarg);
@@ -1244,6 +1257,9 @@ main(int argc, char **argv)
 		case 's':
 			set_console(optarg);
 			break;
+		case 'T':
+			set_terminal_mode(optarg);
+			break;
 		case 't':
 			set_screensaver_timeout(optarg);
 			break;