mirror of
https://github.com/sal063/AC6_recomp
synced 2026-08-31 09:50:44 -04:00
salh
97 lines
3.2 KiB
C++
97 lines
3.2 KiB
C++
// Native UI runtime - GTK window abstraction
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// Part of the AC6 Recompilation native presenter/window layer
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#pragma once
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#include <memory>
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#include <string>
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#include <rex/platform.h>
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#include <rex/ui/menu_item.h>
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#include <native/ui/window.h>
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#include <gdk/gdk.h>
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#include <gtk/gtk.h>
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#include <xcb/xcb.h>
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namespace rex {
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namespace ui {
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class GTKWindow : public Window {
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using super = Window;
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public:
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GTKWindow(WindowedAppContext& app_context, const std::string_view title,
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uint32_t desired_logical_width, uint32_t desired_logical_height);
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~GTKWindow() override;
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// Will be null if the window hasn't been successfully opened yet, or has been
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// closed.
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GtkWidget* window() const { return window_; }
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protected:
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bool OpenImpl() override;
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void RequestCloseImpl() override;
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void ApplyNewFullscreen() override;
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void ApplyNewTitle() override;
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void ApplyNewMainMenu(MenuItem* old_main_menu) override;
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// Mouse capture seems to happen implicitly compared to Windows.
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void FocusImpl() override;
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std::unique_ptr<Surface> CreateSurfaceImpl(Surface::TypeFlags allowed_types) override;
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void RequestPaintImpl() override;
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private:
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void HandleSizeUpdate(WindowDestructionReceiver& destruction_receiver);
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// For updating multiple factors that may influence the window size at once,
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// without handling the configure event multiple times (that may not only
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// result in wasted handling, but also in the state potentially changed to an
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// inconsistent one in the middle of a size update by the listeners).
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void BeginBatchedSizeUpdate();
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void EndBatchedSizeUpdate(WindowDestructionReceiver& destruction_receiver);
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// Handling events related to the whole window.
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bool HandleMouse(GdkEvent* event, WindowDestructionReceiver& destruction_receiver);
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bool HandleKeyboard(GdkEventKey* event, WindowDestructionReceiver& destruction_receiver);
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gboolean WindowEventHandler(GdkEvent* event);
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static gboolean WindowEventHandlerThunk(GtkWidget* widget, GdkEvent* event, gpointer user_data);
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// Handling events related specifically to the drawing (client) area.
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gboolean DrawingAreaEventHandler(GdkEvent* event);
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static gboolean DrawingAreaEventHandlerThunk(GtkWidget* widget, GdkEvent* event,
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gpointer user_data);
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static gboolean DrawHandler(GtkWidget* widget, cairo_t* cr, gpointer data);
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// Non-owning (initially floating) references to the widgets.
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GtkWidget* window_ = nullptr;
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GtkWidget* box_ = nullptr;
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GtkWidget* drawing_area_ = nullptr;
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uint32_t batched_size_update_depth_ = 0;
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bool batched_size_update_contained_configure_ = false;
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bool batched_size_update_contained_draw_ = false;
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};
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class GTKMenuItem : public MenuItem {
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public:
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GTKMenuItem(Type type, const std::string& text, const std::string& hotkey,
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std::function<void()> callback);
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~GTKMenuItem() override;
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GtkWidget* handle() const { return menu_; }
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protected:
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void OnChildAdded(MenuItem* child_item) override;
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void OnChildRemoved(MenuItem* child_item) override;
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private:
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static void ActivateHandler(GtkWidget* menu_item, gpointer user_data);
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// An owning reference because a menu may be transferred between windows.
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GtkWidget* menu_ = nullptr;
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};
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} // namespace ui
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} // namespace rex
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