From f502391ceb2fc7fd441718d2152ef14e2ec24973 Mon Sep 17 00:00:00 2001
From: Yuqian Yang <crupest@crupest.life>
Date: Sun, 5 Oct 2025 16:39:31 +0800
Subject: Use xkb.

---
 include/cru/platform/gui/xcb/InputMethod.h   |  5 ++++-
 include/cru/platform/gui/xcb/Keyboard.h      | 28 +++++++++++++++++++++++-----
 include/cru/platform/gui/xcb/UiApplication.h |  3 +++
 3 files changed, 30 insertions(+), 6 deletions(-)

(limited to 'include/cru')

diff --git a/include/cru/platform/gui/xcb/InputMethod.h b/include/cru/platform/gui/xcb/InputMethod.h
index a325c1da..0c928b24 100644
--- a/include/cru/platform/gui/xcb/InputMethod.h
+++ b/include/cru/platform/gui/xcb/InputMethod.h
@@ -1,8 +1,8 @@
 #pragma once
 
+#include <cru/base/Base.h>
 #include "../InputMethod.h"
 #include "Base.h"
-#include <cru/base/Base.h>
 
 #include <xcb-imdkit/imclient.h>
 #include <xcb/xcb.h>
@@ -28,10 +28,13 @@ class XcbXimInputMethodManager : public XcbResource {
   void DispatchComposition(xcb_xim_t* im, xcb_xic_t ic, CompositionText text);
 
   bool HandleXEvent(xcb_generic_event_t* event);
+  void SetXimServerUnprocessedXEventCallback(
+      std::function<void(xcb_key_press_event_t* event)> callback);
 
  private:
   XcbUiApplication* application_;
   xcb_xim_t* im_;
+  std::function<void(xcb_key_press_event_t* event)> forward_event_callback_;
 };
 
 class XcbXimInputMethodContext : public XcbResource,
diff --git a/include/cru/platform/gui/xcb/Keyboard.h b/include/cru/platform/gui/xcb/Keyboard.h
index a3e66e2b..e1fc7fec 100644
--- a/include/cru/platform/gui/xcb/Keyboard.h
+++ b/include/cru/platform/gui/xcb/Keyboard.h
@@ -3,15 +3,33 @@
 #include <cru/platform/gui/Keyboard.h>
 
 #include <xcb/xcb.h>
+#include <xkbcommon/xkbcommon.h>
 #include <unordered_map>
 
 namespace cru::platform::gui::xcb {
 struct XcbUiApplication;
 
-KeyCode XorgKeysymToKeyCode(xcb_keysym_t keysym);
-std::vector<xcb_keysym_t> XorgKeycodeToKeysyms(XcbUiApplication* application, xcb_keycode_t keycode);
-KeyCode XorgKeycodeToCruKeyCode(XcbUiApplication* application, xcb_keycode_t keycode);
-std::string XorgKeysymToUtf8(xcb_keysym_t keysym, bool upper = false);
-std::unordered_map<KeyCode, bool> GetKeyboardState(XcbUiApplication* application);
+KeyCode XorgKeysymToCruKeyCode(xcb_keysym_t keysym);
+std::vector<xcb_keysym_t> XorgKeycodeToKeysyms(XcbUiApplication* application,
+                                               xcb_keycode_t keycode);
+KeyCode XorgKeycodeToCruKeyCode(XcbUiApplication* application,
+                                xcb_keycode_t keycode);
+std::unordered_map<KeyCode, bool> GetKeyboardState(
+    XcbUiApplication* application);
 KeyModifier GetCurrentKeyModifiers(XcbUiApplication* application);
+
+class XcbKeyboardManager {
+ public:
+  explicit XcbKeyboardManager(XcbUiApplication* application);
+  ~XcbKeyboardManager();
+
+  std::string KeysymToUtf8(xcb_keysym_t keysym);
+  std::string KeycodeToUtf8(xcb_keycode_t keycode);
+
+ private:
+  XcbUiApplication* application_;
+  xkb_context* xkb_context_;
+  xkb_keymap* xkb_keymap_;
+  xkb_state* xkb_state_;
+};
 }  // namespace cru::platform::gui::xcb
diff --git a/include/cru/platform/gui/xcb/UiApplication.h b/include/cru/platform/gui/xcb/UiApplication.h
index d6971099..72dd542a 100644
--- a/include/cru/platform/gui/xcb/UiApplication.h
+++ b/include/cru/platform/gui/xcb/UiApplication.h
@@ -14,6 +14,7 @@ namespace cru::platform::gui::xcb {
 class XcbWindow;
 class XcbCursorManager;
 class XcbXimInputMethodManager;
+class XcbKeyboardManager;
 
 class XcbUiApplication : public XcbResource, public virtual IUiApplication {
   friend XcbWindow;
@@ -51,6 +52,7 @@ class XcbUiApplication : public XcbResource, public virtual IUiApplication {
 #undef CRU_XCB_UI_APPLICATION_DEFINE_XCB_ATOM
 
   XcbXimInputMethodManager* GetXcbXimInputMethodManager();
+  XcbKeyboardManager* GetXcbKeyboardManager();
 
  public:
   int Run() override;
@@ -104,5 +106,6 @@ class XcbUiApplication : public XcbResource, public virtual IUiApplication {
 
   XcbCursorManager* cursor_manager_;
   XcbXimInputMethodManager* input_method_manager_;
+  XcbKeyboardManager* keyboard_manager_;
 };
 }  // namespace cru::platform::gui::xcb
-- 
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