tools: add --replay-after and --once to libinput replay

For the cases where it's not possible to hit enter to start the replay
because e.g. we cannot change focus, etc.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

tools/libinput-replay.man

@@ -15,6 +15,13 @@ simultaneously.
 .TP 8
 .B \-\-help
 Print help
+.TP 8
+.B \-\-once
+Only replay the recording once, then exit.
+.TP 8
+.B \-\-replay-after=s
+Replay the recording after waiting for s seconds. This replaces the default
+interactive prompt to start the replay.
 .SH NOTES
 .PP
 This tool replays events from a recording through the the kernel and is

tools/libinput-replay.py

@@ -269,6 +269,9 @@ def loop(args, recording):
         return
 
     while True:
+        if args.replay_after >= 0:
+            time.sleep(args.replay_after)
+        else:
             input("Hit enter to start replaying")
 
         processes = []
@@ -284,6 +287,9 @@ def loop(args, recording):
 
         del processes
 
+        if args.once:
+            break
+
 
 def create_device_quirk(device):
     try:
@@ -363,6 +369,18 @@ def main():
         type=str,
         help="Path to device recording",
     )
+    parser.add_argument(
+        "--replay-after",
+        type=int,
+        default=-1,
+        help="Automatically replay once after N seconds",
+    )
+    parser.add_argument(
+        "--once",
+        action="store_true",
+        default=False,
+        help="Stop and exit after one replay",
+    )
     parser.add_argument("--verbose", action="store_true")
     args = parser.parse_args()