devmouse: add twitch mousectl command

2 files changed, 10 insertions, 0 deletions

diff --git a/sys/man/3/mouse b/sys/man/3/mouse
index 1ad9243c1..11bf6f3ee 100644
--- a/sys/man/3/mouse
+++ b/sys/man/3/mouse
@@ -150,6 +150,10 @@ unlike
 .B reset
 clears the mouse
 to its default state.
+.TP
+.B twitch
+unblanks the screen and resets the idle timeout as if the
+mouse was twitched.
 .PD
 .PP
 Not all mice interpret all messages; with some devices,
diff --git a/sys/src/9/port/devmouse.c b/sys/src/9/port/devmouse.c
index 4ecf54511..cb3ebe716 100644
--- a/sys/src/9/port/devmouse.c
+++ b/sys/src/9/port/devmouse.c
@@ -57,6 +57,7 @@ enum
 	CMbuttonmap,
 	CMscrollswap,
 	CMswap,
+	CMtwitch,
 	CMwildcard,
 };
 
@@ -65,6 +66,7 @@ static Cmdtab mousectlmsg[] =
 	CMbuttonmap,	"buttonmap",	0,
 	CMscrollswap,	"scrollswap",	0,
 	CMswap,		"swap",		1,
+	CMtwitch,	"twitch",	0,
 	CMwildcard,	"*",		0,
 };
 
@@ -419,6 +421,10 @@ mousewrite(Chan *c, void *va, long n, vlong)
 				setbuttonmap(cb->f[1]);
 			break;
 
+		case CMtwitch:
+			drawactive(1);
+			break;
+
 		case CMwildcard:
 			mousectl(cb);
 			break;