WindowServer: Replace character with code point

Replace u8 data type width u32. Remove character property from event and add code_point property for represent UTF-8 character.

Services/WindowServer/Event.h

@@ -76,10 +76,10 @@ enum class MouseButton : u8 {
 
 class KeyEvent final : public Event {
 public:
-    KeyEvent(Type type, int key, char character, u8 modifiers, u32 scancode)
+    KeyEvent(Type type, int key, u32 code_point, u8 modifiers, u32 scancode)
         : Event(type)
         , m_key(key)
-        , m_character(character)
+        , m_code_point(code_point)
         , m_modifiers(modifiers)
         , m_scancode(scancode)
     {
@@ -91,14 +91,14 @@ public:
     bool shift() const { return m_modifiers & Mod_Shift; }
     bool logo() const { return m_modifiers & Mod_Logo; }
     u8 modifiers() const { return m_modifiers; }
-    char character() const { return m_character; }
+    u32 code_point() const { return m_code_point; }
     u32 scancode() const { return m_scancode; }
 
 private:
     friend class EventLoop;
     friend class Screen;
     int m_key { 0 };
-    char m_character { 0 };
+    u32 m_code_point { 0 };
     u8 m_modifiers { 0 };
     u32 m_scancode { 0 };
 };

Services/WindowServer/MenuManager.cpp

@@ -146,7 +146,7 @@ void MenuManager::event(Core::Event& event)
         if (m_current_menu && event.type() == Event::KeyDown
             && ((key_event.key() >= Key_A && key_event.key() <= Key_Z)
                 || (key_event.key() >= Key_0 && key_event.key() <= Key_9))) {
-            m_current_search.append(key_event.character());
+            m_current_search.append_codepoint(key_event.code_point());
             m_search_timer->restart(s_search_timeout);
             for (int i = 0; i < m_current_menu->item_count(); ++i) {
                 auto text = m_current_menu->item(i).text();

Services/WindowServer/Screen.cpp

@@ -164,7 +164,7 @@ void Screen::on_receive_mouse_data(const MousePacket& packet)
 void Screen::on_receive_keyboard_data(::KeyEvent kernel_event)
 {
     m_modifiers = kernel_event.modifiers();
-    auto message = make<KeyEvent>(kernel_event.is_press() ? Event::KeyDown : Event::KeyUp, kernel_event.key, kernel_event.character, kernel_event.modifiers(), kernel_event.scancode);
+    auto message = make<KeyEvent>(kernel_event.is_press() ? Event::KeyDown : Event::KeyUp, kernel_event.key, kernel_event.code_point, kernel_event.modifiers(), kernel_event.scancode);
     Core::EventLoop::current().post_event(WindowManager::the(), move(message));
 }
 

Services/WindowServer/Window.cpp

@@ -302,7 +302,7 @@ void Window::event(Core::Event& event)
     case Event::KeyDown:
         m_client->post_message(
             Messages::WindowClient::KeyDown(m_window_id,
-                (u8) static_cast<const KeyEvent&>(event).character(),
+                (u32) static_cast<const KeyEvent&>(event).code_point(),
                 (u32) static_cast<const KeyEvent&>(event).key(),
                 static_cast<const KeyEvent&>(event).modifiers(),
                 (u32) static_cast<const KeyEvent&>(event).scancode()));
@@ -310,7 +310,7 @@ void Window::event(Core::Event& event)
     case Event::KeyUp:
         m_client->post_message(
             Messages::WindowClient::KeyUp(m_window_id,
-                (u8) static_cast<const KeyEvent&>(event).character(),
+                (u32) static_cast<const KeyEvent&>(event).code_point(),
                 (u32) static_cast<const KeyEvent&>(event).key(),
                 static_cast<const KeyEvent&>(event).modifiers(),
                 (u32) static_cast<const KeyEvent&>(event).scancode()));

Services/WindowServer/WindowClient.ipc

@@ -8,8 +8,8 @@ endpoint WindowClient = 4
     MouseWheel(i32 window_id, Gfx::IntPoint mouse_position, u32 button, u32 buttons, u32 modifiers, i32 wheel_delta) =|
     WindowEntered(i32 window_id) =|
     WindowLeft(i32 window_id) =|
-    KeyDown(i32 window_id, u8 character, u32 key, u32 modifiers, u32 scancode) =|
-    KeyUp(i32 window_id, u8 character, u32 key, u32 modifiers, u32 scancode) =|
+    KeyDown(i32 window_id, u32 code_point, u32 key, u32 modifiers, u32 scancode) =|
+    KeyUp(i32 window_id, u32 code_point, u32 key, u32 modifiers, u32 scancode) =|
     WindowActivated(i32 window_id) =|
     WindowDeactivated(i32 window_id) =|
     WindowStateChanged(i32 window_id, bool minimized, bool occluded) =|