Allow controls with --no-window

Without a window, mouse and keyboard events may not be received, but
the control channel is still necessary for other features:

 * --turn-screen-off
 * --stay-awake
 * --show-touches
 * --power-off-on-close
 * --start-app

Fixes #5803 <#5803>
PR #5804 <#5804>

Signed-off-by: Romain Vimont <rom@rom1v.com>

Author: samlii

app/scrcpy.1

@@ -389,7 +389,7 @@ Disable video playback on the computer.
 
 .TP
 .B \-\-no\-window
-Disable scrcpy window. Implies --no-video-playback and --no-control.
+Disable scrcpy window. Implies --no-video-playback.
 
 .TP
 .BI "\-\-orientation " value

app/src/cli.c

@@ -689,8 +689,7 @@ static const struct sc_option options[] = {
     {
         .longopt_id = OPT_NO_WINDOW,
         .longopt = "no-window",
-        .text = "Disable scrcpy window. Implies --no-video-playback and "
-                "--no-control.",
+        .text = "Disable scrcpy window. Implies --no-video-playback.",
     },
     {
         .longopt_id = OPT_ORIENTATION,
@@ -2761,9 +2760,10 @@ parse_args_with_getopt(struct scrcpy_cli_args *args, int argc, char *argv[],
 #endif
 
     if (!opts->window) {
-        // Without window, there cannot be any video playback or control
+        // Without window, there cannot be any video playback
         opts->video_playback = false;
-        opts->control = false;
+        // Controls are still possible, allowing for options like
+        // --turn-screen-off
     }
 
     if (!opts->video) {