From 89aa10de245e90156e242ea28112985578741488 Mon Sep 17 00:00:00 2001
From: nanahi <130121847+na-na-hi@users.noreply.github.com>
Date: Sat, 27 Apr 2024 02:39:52 -0400
Subject: [PATCH] input: add MP_TOUCH_RELEASE_ALL

Release all touch points. Used by some VOs like Wayland touch cancel
event.
---
 input/input.c    | 5 +++++
 input/keycodes.h | 2 ++
 2 files changed, 7 insertions(+)

diff --git a/input/input.c b/input/input.c
index 92e2a6d5b9..9890a0252b 100644
--- a/input/input.c
+++ b/input/input.c
@@ -735,6 +735,11 @@ static void feed_key(struct input_ctx *ictx, int code, double scale,
         release_down_cmd(ictx, false);
         return;
     }
+    if (code == MP_TOUCH_RELEASE_ALL) {
+        MP_TRACE(ictx, "release all touch\n");
+        ictx->num_touch_points = 0;
+        return;
+    }
     if (!opts->enable_mouse_movements && MP_KEY_IS_MOUSE(unmod) && !force_mouse)
         return;
     if (unmod == MP_KEY_MOUSE_LEAVE || unmod == MP_KEY_MOUSE_ENTER) {
diff --git a/input/keycodes.h b/input/keycodes.h
index 1a21a3c89f..2e63df344f 100644
--- a/input/keycodes.h
+++ b/input/keycodes.h
@@ -216,6 +216,8 @@
 #define MP_KEY_ANY_UNICODE      (MP_KEY_INTERN+5)
 // For mp_input_put_key(): release all keys that are down.
 #define MP_INPUT_RELEASE_ALL    (MP_KEY_INTERN+6)
+// For mp_input_put_key(): release all touch points.
+#define MP_TOUCH_RELEASE_ALL    (MP_KEY_INTERN+7)
 
 // Emit a command even on key-up (normally key-up is ignored). This means by
 // default they binding will be triggered on key-up instead of key-down.