From fd7166b7b32225cdd3a9ba9d248fd1d6de8bf62f Mon Sep 17 00:00:00 2001
From: Yuqian Yang <crupest@crupest.life>
Date: Tue, 9 Sep 2025 23:24:52 +0800
Subject: xcb window focus event.

---
 include/cru/platform/gui/xcb/Window.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'include')

diff --git a/include/cru/platform/gui/xcb/Window.h b/include/cru/platform/gui/xcb/Window.h
index 9c6b4f43..3f21131c 100644
--- a/include/cru/platform/gui/xcb/Window.h
+++ b/include/cru/platform/gui/xcb/Window.h
@@ -67,7 +67,7 @@ class XcbWindow : public XcbResource, public virtual INativeWindow {
 
   virtual IEvent<WindowVisibilityType>* VisibilityChangeEvent() = 0;
   virtual IEvent<Size>* ResizeEvent() = 0;
-  virtual IEvent<FocusChangeType>* FocusEvent() = 0;
+  IEvent<FocusChangeType>* FocusEvent() override;
 
   IEvent<MouseEnterLeaveType>* MouseEnterLeaveEvent() override;
   IEvent<Point>* MouseMoveEvent() override;
@@ -91,6 +91,7 @@ class XcbWindow : public XcbResource, public virtual INativeWindow {
   XcbUiApplication* application_;
   std::optional<xcb_window_t> xcb_window_;
 
+  Event<FocusChangeType> focus_event_;
   Event<MouseEnterLeaveType> mouse_enter_leave_event_;
   Event<Point> mouse_move_event_;
   Event<NativeMouseButtonEventArgs> mouse_down_event_;
-- 
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