From a2c2089c8d97b4910d4287c14c82e20d33366c24 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Sat, 29 Jan 2022 21:25:15 +0800
Subject: ...

---
 include/cru/win/gui/Window.hpp | 2 ++
 src/win/gui/Window.cpp         | 8 ++++++++
 2 files changed, 10 insertions(+)

diff --git a/include/cru/win/gui/Window.hpp b/include/cru/win/gui/Window.hpp
index d0ea5b41..75530596 100644
--- a/include/cru/win/gui/Window.hpp
+++ b/include/cru/win/gui/Window.hpp
@@ -62,6 +62,8 @@ class CRU_WIN_GUI_API WinNativeWindow : public WinNativeResource,
 
   void SetCursor(std::shared_ptr<ICursor> cursor) override;
 
+  void SetToForeground() override;
+
   IEvent<std::nullptr_t>* CreateEvent() override { return &create_event_; }
   IEvent<std::nullptr_t>* DestroyEvent() override { return &destroy_event_; }
   IEvent<std::nullptr_t>* PaintEvent() override { return &paint_event_; }
diff --git a/src/win/gui/Window.cpp b/src/win/gui/Window.cpp
index 2bd29476..f30b4e59 100644
--- a/src/win/gui/Window.cpp
+++ b/src/win/gui/Window.cpp
@@ -281,6 +281,14 @@ void WinNativeWindow::SetCursor(std::shared_ptr<ICursor> cursor) {
   }
 }
 
+void WinNativeWindow::SetToForeground() {
+  if (hwnd_) {
+    if (!::SetForegroundWindow(hwnd_))
+      throw Win32Error(::GetLastError(),
+                       u"Failed to set window to foreground.");
+  }
+}
+
 IInputMethodContext* WinNativeWindow::GetInputMethodContext() {
   return static_cast<IInputMethodContext*>(input_method_context_.get());
 }
-- 
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