Add --auto switch, a shortcut for --config "xrandr --auto"

Makes it slightly easier to use.

Signed-off-by: Keith Packard <keithp@keithp.com>

2 files changed, 11 insertions, 3 deletions

diff --git a/x-on-resize.c b/x-on-resize.c
index 12f9558..a6cdd10 100644
--- a/x-on-resize.c
+++ b/x-on-resize.c
@@ -111,9 +111,9 @@ main (int argc, char **argv)
 	int		major, minor;
 	XEvent		ev;
 	XRRNotifyEvent	*nev;
-	char		*config = NULL;
-	char		*resize = NULL;
-	char		*display = NULL;
+	const char	*config = NULL;
+	const char	*resize = NULL;
+	const char	*display = NULL;
 	int		c, o;
 	int		start = 0;
 	XRRScreenResources	*resources;
@@ -122,6 +122,7 @@ main (int argc, char **argv)
 		{ "config", 1, NULL, 'c' },
 		{ "resize", 1, NULL, 'r' },
 		{ "start", 0, NULL, 's' },
+		{ "auto", 0, NULL, 'a' },
 		{ "display", 1, NULL, 'd' },
 		{ "help", 0, NULL, 'h' },
 		{ 0, 0, NULL, 0 }
@@ -138,6 +139,9 @@ main (int argc, char **argv)
 		case 'd':
 			display = optarg;
 			break;
+		case 'a':
+			config = "xrandr --auto";
+			break;
 		case 's':
 			start = 1;
 			break;
diff --git a/x-on-resize.man b/x-on-resize.man
index d045928..18a06d4 100644
--- a/x-on-resize.man
+++ b/x-on-resize.man
@@ -49,6 +49,10 @@ available outputs has changed. If not provided, x-on-resize prints
 This option selects the external script to run when the size
 of the root window has changed. If not provided, x-on-resize prints
 "resize" on stdout.
+.IP "\-a, \-\-auto"
+This is the same as \-\-config "xrandr --auto", which sets
+the system to a reasonable configuration each time the connected set
+of outputs changes.
 .IP "\-s, \-\-start"
 This directs x-on-resize to run any defined scripts at startup time in
 addition to when the specified conditions occur.