From b33e9ca3a7c1ff837a0fe63e7286ef27b20d27f9 Mon Sep 17 00:00:00 2001
From: Romain Vimont <rom@rom1v.com>
Date: Sat, 1 Jan 2022 17:56:46 +0100
Subject: [PATCH] hidmousecli

---
 app/src/cli.c     | 20 ++++++++++++++++++++
 app/src/options.h |  6 ++++++
 2 files changed, 26 insertions(+)

diff --git a/app/src/cli.c b/app/src/cli.c
index fc86015a..3bf03587 100644
--- a/app/src/cli.c
+++ b/app/src/cli.c
@@ -214,6 +214,17 @@ static const struct sc_option options[] = {
         .text = "Limit the frame rate of screen capture (officially supported "
                 "since Android 10, but may work on earlier versions).",
     },
+    {
+        .shortopt = 'M',
+        .longopt = "hid-mouse",
+        .text = "Simulate a physical mouse by using HID over AOAv2.\n"
+                "In this mode, the computer mouse is captured to control the "
+                "device directly (relative mouse mode).\n"
+                "LAlt, LSuper or RSuper toggle the capture mode, to give "
+                "control of the mouse back to the computer.\n"
+                "It may only work over USB, and is currently only supported "
+                "on Linux.\n",
+    },
     {
         .shortopt = 'm',
         .longopt = "max-size",
@@ -1315,6 +1326,15 @@ parse_args_with_getopt(struct scrcpy_cli_args *args, int argc, char *argv[],
                     return false;
                 }
                 break;
+            case 'M':
+#ifdef HAVE_AOA_HID
+                opts->mouse_input_mode = SC_MOUSE_INPUT_MODE_HID;
+#else
+                LOGE("HID over AOA (-M/--hid-mouse) is not supported on this"
+                     "platform. It is only available on Linux.");
+                return false;
+#endif
+                break;
             case OPT_LOCK_VIDEO_ORIENTATION:
                 if (!parse_lock_video_orientation(optarg,
                         &opts->lock_video_orientation)) {
diff --git a/app/src/options.h b/app/src/options.h
index 533f4a3b..b2c69664 100644
--- a/app/src/options.h
+++ b/app/src/options.h
@@ -38,6 +38,11 @@ enum sc_keyboard_input_mode {
     SC_KEYBOARD_INPUT_MODE_HID,
 };
 
+enum sc_mouse_input_mode {
+    SC_MOUSE_INPUT_MODE_INJECT,
+    SC_MOUSE_INPUT_MODE_HID,
+};
+
 enum sc_key_inject_mode {
     // Inject special keys, letters and space as key events.
     // Inject numbers and punctuation as text events.
@@ -90,6 +95,7 @@ struct scrcpy_options {
     enum sc_log_level log_level;
     enum sc_record_format record_format;
     enum sc_keyboard_input_mode keyboard_input_mode;
+    enum sc_mouse_input_mode mouse_input_mode;
     struct sc_port_range port_range;
     uint32_t tunnel_host;
     uint16_t tunnel_port;