From 20fc1e5595e4f498d297c09934dbfcc005982f54 Mon Sep 17 00:00:00 2001
From: Yuqian Yang <crupest@crupest.life>
Date: Tue, 9 Sep 2025 20:15:44 +0800
Subject: Implement mouse button events.

---
 include/cru/platform/gui/xcb/Keyboard.h | 8 ++++++++
 include/cru/platform/gui/xcb/Window.h   | 9 ++++++---
 2 files changed, 14 insertions(+), 3 deletions(-)
 create mode 100644 include/cru/platform/gui/xcb/Keyboard.h

(limited to 'include/cru/platform/gui/xcb')

diff --git a/include/cru/platform/gui/xcb/Keyboard.h b/include/cru/platform/gui/xcb/Keyboard.h
new file mode 100644
index 00000000..8d25ff7f
--- /dev/null
+++ b/include/cru/platform/gui/xcb/Keyboard.h
@@ -0,0 +1,8 @@
+#pragma once
+
+#include <cru/platform/gui/Keyboard.h>
+
+namespace cru::platform::gui::xcb {
+struct XcbUiApplication;
+KeyModifier GetCurrentKeyModifiers(XcbUiApplication* application);
+}  // namespace cru::platform::gui::xcb
diff --git a/include/cru/platform/gui/xcb/Window.h b/include/cru/platform/gui/xcb/Window.h
index 1676dced..016b5717 100644
--- a/include/cru/platform/gui/xcb/Window.h
+++ b/include/cru/platform/gui/xcb/Window.h
@@ -71,9 +71,9 @@ class XcbWindow : public XcbResource, public virtual INativeWindow {
 
   IEvent<MouseEnterLeaveType>* MouseEnterLeaveEvent() override;
   IEvent<Point>* MouseMoveEvent() override;
-  virtual IEvent<NativeMouseButtonEventArgs>* MouseDownEvent() = 0;
-  virtual IEvent<NativeMouseButtonEventArgs>* MouseUpEvent() = 0;
-  virtual IEvent<NativeMouseWheelEventArgs>* MouseWheelEvent() = 0;
+  IEvent<NativeMouseButtonEventArgs>* MouseDownEvent() override;
+  IEvent<NativeMouseButtonEventArgs>* MouseUpEvent() override;
+  IEvent<NativeMouseWheelEventArgs>* MouseWheelEvent() override;
   virtual IEvent<NativeKeyEventArgs>* KeyDownEvent() = 0;
   virtual IEvent<NativeKeyEventArgs>* KeyUpEvent() = 0;
 
@@ -93,5 +93,8 @@ class XcbWindow : public XcbResource, public virtual INativeWindow {
 
   Event<MouseEnterLeaveType> mouse_enter_leave_event_;
   Event<Point> mouse_move_event_;
+  Event<NativeMouseButtonEventArgs> mouse_down_event_;
+  Event<NativeMouseButtonEventArgs> mouse_up_event_;
+  Event<NativeMouseWheelEventArgs> mouse_wheel_event_;
 };
 }  // namespace cru::platform::gui::xcb
-- 
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