Files
Xenia-Canary/src/xenia/ui/window_gtk.h
2025-01-19 19:28:28 +01:00

114 lines
3.9 KiB
C++

/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2022 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 <gdk/gdk.h>
#include <gtk/gtk.h>
#include <xcb/xcb.h>
#include "xenia/base/platform_linux.h"
#include "xenia/ui/menu_item.h"
#include "xenia/ui/window.h"
namespace xe {
namespace ui {
class GTKWindow : public Window {
using super = Window;
public:
GTKWindow(WindowedAppContext& app_context, const std::string_view title,
uint32_t desired_logical_width, uint32_t desired_logical_height);
~GTKWindow() override;
// Will be null if the window hasn't been successfully opened yet, or has been
// closed.
GtkWidget* window() const { return window_; }
protected:
bool OpenImpl() override;
void RequestCloseImpl() override;
void ApplyNewFullscreen() override;
void ApplyNewTitle() override;
void ApplyNewMainMenu(MenuItem* old_main_menu) override;
// Mouse capture seems to happen implicitly compared to Windows.
void FocusImpl() override;
std::unique_ptr<Surface> CreateSurfaceImpl(
Surface::TypeFlags allowed_types) override;
void RequestPaintImpl() override;
private:
void HandleSizeUpdate(WindowDestructionReceiver& destruction_receiver);
// For updating multiple factors that may influence the window size at once,
// without handling the configure event multiple times (that may not only
// result in wasted handling, but also in the state potentially changed to an
// inconsistent one in the middle of a size update by the listeners).
void BeginBatchedSizeUpdate();
void EndBatchedSizeUpdate(WindowDestructionReceiver& destruction_receiver);
// Translates a gtk virtual key to xenia ui::VirtualKey
static VirtualKey TranslateVirtualKey(guint keyval);
// Handling events related to the whole window.
bool HandleMouse(GdkEvent* event,
WindowDestructionReceiver& destruction_receiver);
bool HandleKeyboard(GdkEventKey* event,
WindowDestructionReceiver& destruction_receiver);
gboolean WindowEventHandler(GdkEvent* event);
static gboolean WindowEventHandlerThunk(GtkWidget* widget, GdkEvent* event,
gpointer user_data);
// Handling events related specifically to the drawing (client) area.
gboolean DrawingAreaEventHandler(GdkEvent* event);
static gboolean DrawingAreaEventHandlerThunk(GtkWidget* widget,
GdkEvent* event,
gpointer user_data);
static gboolean DrawHandler(GtkWidget* widget, cairo_t* cr, gpointer data);
// Non-owning (initially floating) references to the widgets.
GtkWidget* window_ = nullptr;
GtkWidget* box_ = nullptr;
GtkWidget* drawing_area_ = nullptr;
uint32_t batched_size_update_depth_ = 0;
bool batched_size_update_contained_configure_ = false;
bool batched_size_update_contained_draw_ = false;
};
class GTKMenuItem : public MenuItem {
public:
GTKMenuItem(Type type, const std::string& text, const std::string& hotkey,
std::function<void()> callback);
~GTKMenuItem() override;
GtkWidget* handle() const { return menu_; }
protected:
void OnChildAdded(MenuItem* child_item) override;
void OnChildRemoved(MenuItem* child_item) override;
private:
static void ActivateHandler(GtkWidget* menu_item, gpointer user_data);
// An owning reference because a menu may be transferred between windows.
GtkWidget* menu_ = nullptr;
};
} // namespace ui
} // namespace xe
#endif // XENIA_UI_WINDOW_WIN_H_