xenia: ui: Add GTK implemention of UI

src/xenia/ui/window_gtk.h

@@ -0,0 +1,103 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2016 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#ifndef XENIA_UI_WINDOW_GTK_H_
+#define XENIA_UI_WINDOW_GTK_H_
+
+#include <memory>
+#include <string>
+
+#include "xenia/ui/menu_item.h"
+#include "xenia/ui/window.h"
+#include "xenia/base/platform_linux.h"
+
+namespace xe {
+namespace ui {
+
+class GTKWindow : public Window {
+  using super = Window;
+
+ public:
+  GTKWindow(Loop* loop, const std::wstring& title);
+  ~GTKWindow() override;
+
+  NativePlatformHandle native_platform_handle() const override {return nullptr;}
+  NativeWindowHandle native_handle() const override { return window_;}
+
+
+  bool set_title(const std::wstring& title) override;
+
+  bool SetIcon(const void* buffer, size_t size) override;
+
+  bool is_fullscreen() const override;
+  void ToggleFullscreen(bool fullscreen) override;
+
+  bool is_bordered() const override;
+  void set_bordered(bool enabled) override;
+
+  void set_cursor_visible(bool value) override;
+  void set_focus(bool value) override;
+
+  void Resize(int32_t width, int32_t height) override;
+  void Resize(int32_t left, int32_t top, int32_t right,
+              int32_t bottom) override;
+
+  bool Initialize() override;
+  void Invalidate() override;
+  void Close() override;
+
+ protected:
+  bool OnCreate() override;
+  void OnMainMenuChange() override;
+  void OnDestroy() override;
+  void OnClose() override;
+
+  void OnResize(UIEvent* e) override;
+
+
+ private:
+  void Create();
+  GtkWidget* window_;
+
+  friend void gtk_event_handler_(GtkWidget*, GdkEvent*, gpointer);
+  bool HandleMouse(GdkEventAny* event);
+  bool HandleKeyboard(GdkEventKey* event);
+  bool HandleWindowResize(GdkEventConfigure* event);
+  bool HandleWindowFocus(GdkEventFocus* event);
+  bool HandleWindowVisibility(GdkEventVisibility* event);
+  bool HandleWindowOwnerChange(GdkEventOwnerChange* event);
+
+  bool closing_ = false;
+  bool fullscreen_ = false;
+
+};
+
+class GTKMenuItem : public MenuItem {
+ public:
+  GTKMenuItem(Type type, const std::wstring& text, const std::wstring& hotkey,
+                std::function<void()> callback);
+  ~GTKMenuItem() override;
+
+  GtkWidget* handle() {return menu_;}
+  using MenuItem::OnSelected;
+
+ protected:
+  void OnChildAdded(MenuItem* child_item) override;
+  void OnChildRemoved(MenuItem* child_item) override;
+  GTKMenuItem* parent_ = nullptr;
+  GTKMenuItem* child_ = nullptr;
+
+ private:
+  GtkWidget* menu_ = nullptr;
+};
+
+}  // namespace ui
+}  // namespace xe
+
+#endif  // XENIA_UI_WINDOW_WIN_H_