From c059ec65acad357e94b891ee9f5e27f4aeeeedcb Mon Sep 17 00:00:00 2001
From: Kawe Mazidjatari <48657826+Mauler125@users.noreply.github.com>
Date: Mon, 31 Jul 2023 23:43:00 +0200
Subject: [PATCH] Add 'ForceForegroundWindow' windows utility

Forces the window handle to be on top.
---
 r5dev/windows/window.cpp | 30 ++++++++++++++++++++++++++++++
 r5dev/windows/window.h   |  3 +++
 2 files changed, 33 insertions(+)
 create mode 100644 r5dev/windows/window.cpp
 create mode 100644 r5dev/windows/window.h

diff --git a/r5dev/windows/window.cpp b/r5dev/windows/window.cpp
new file mode 100644
index 00000000..ca4fb4b7
--- /dev/null
+++ b/r5dev/windows/window.cpp
@@ -0,0 +1,30 @@
+//=============================================================================//
+//
+// Purpose: Windows window procedure utilities
+//
+//=============================================================================//
+#include "window.h"
+
+//-----------------------------------------------------------------------------
+// Purpose: forces the window handle to the front
+// Input  : hwnd - 
+// Output : non-zero on success, null otherwise
+//-----------------------------------------------------------------------------
+BOOL ForceForegroundWindow(HWND hwnd)
+{
+    BOOL ret = TRUE;
+
+    DWORD windowThreadProcessId = GetWindowThreadProcessId(GetForegroundWindow(), LPDWORD(0));
+    DWORD currentThreadId = GetCurrentThreadId();
+
+    if (!AttachThreadInput(windowThreadProcessId, currentThreadId, true))
+        ret = FALSE;
+    if (!BringWindowToTop(hwnd))
+        ret = FALSE;
+    if (!ShowWindow(hwnd, SW_SHOW))
+        ret = FALSE;
+    if (!AttachThreadInput(windowThreadProcessId, currentThreadId, false))
+        ret = FALSE;
+
+    return ret;
+}
diff --git a/r5dev/windows/window.h b/r5dev/windows/window.h
new file mode 100644
index 00000000..5d48d736
--- /dev/null
+++ b/r5dev/windows/window.h
@@ -0,0 +1,3 @@
+#pragma once
+
+BOOL ForceForegroundWindow(HWND hwnd);