From 6659bd63620e03245dfcc5a6129c95d242a4acbd Mon Sep 17 00:00:00 2001
From: Seungha Yang <seungha@centricular.com>
Date: Fri, 19 Apr 2024 21:17:17 +0900
Subject: [PATCH] d3d12videosink: Handle external HWND's mouse/keyboard events

OS will not propagate the event to child HWND if it's handled by
the parent. Thus, navigation event should be handled by parent HWND's
event handler.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6692>
---
 .../gst-plugins-bad/sys/d3d12/gstd3d12window.cpp  | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/subprojects/gst-plugins-bad/sys/d3d12/gstd3d12window.cpp b/subprojects/gst-plugins-bad/sys/d3d12/gstd3d12window.cpp
index afe0b46278..78bfb21099 100644
--- a/subprojects/gst-plugins-bad/sys/d3d12/gstd3d12window.cpp
+++ b/subprojects/gst-plugins-bad/sys/d3d12/gstd3d12window.cpp
@@ -872,6 +872,21 @@ sub_class_proc (HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
       priv->hwnd_cond.notify_all ();
       break;
     }
+    case WM_KEYDOWN:
+    case WM_KEYUP:
+      if (priv->enable_navigation)
+        gst_d3d12_window_on_key_event (self, msg, wparam, lparam);
+      break;
+    case WM_LBUTTONDOWN:
+    case WM_LBUTTONUP:
+    case WM_RBUTTONDOWN:
+    case WM_RBUTTONUP:
+    case WM_MBUTTONDOWN:
+    case WM_MBUTTONUP:
+    case WM_MOUSEMOVE:
+      if (priv->enable_navigation)
+        gst_d3d12_window_on_mouse_event (self, msg, wparam, lparam);
+      break;
     default:
       break;
   }