Add UWP frontend

2021-07-04 19:15:06 +10:00
parent b0adcb5ea6
commit 9affb035f8
64 changed files with 1988 additions and 0 deletions
--- a/src/duckstation-uwp/uwp_host_interface.h
+++ b/src/duckstation-uwp/uwp_host_interface.h
@ -0,0 +1,117 @@
+#pragma once
+#include "common/event.h"
+#include "common/window_info.h"
+#include "common/windows_headers.h"
+#include "core/host_display.h"
+#include "core/host_interface.h"
+#include "frontend-common/common_host_interface.h"
+#include <Unknwn.h>
+#include <array>
+#include <deque>
+#include <functional>
+#include <map>
+#include <memory>
+#include <mutex>
+#include <string>
+#include <thread>
+
+#include <winrt/Windows.ApplicationModel.Core.h>
+#include <winrt/Windows.Devices.Input.h>
+#include <winrt/Windows.Foundation.Collections.h>
+#include <winrt/Windows.Foundation.h>
+#include <winrt/Windows.UI.Composition.h>
+#include <winrt/Windows.UI.Core.h>
+#include <winrt/Windows.UI.Input.h>
+#include <winrt/Windows.UI.ViewManagement.Core.h>
+#include <winrt/Windows.UI.ViewManagement.h>
+#include <winrt/base.h>
+
+class INISettingsInterface;
+
+class UWPHostInterface
+  : public CommonHostInterface,
+    public winrt::implements<UWPHostInterface, winrt::Windows::ApplicationModel::Core::IFrameworkViewSource,
+                             winrt::Windows::ApplicationModel::Core::IFrameworkView>
+{
+public:
+  UWPHostInterface();
+  ~UWPHostInterface();
+
+  const char* GetFrontendName() const override;
+  bool Initialize() override;
+  void Shutdown() override;
+
+  void ReportMessage(const char* message) override;
+  void ReportError(const char* message) override;
+  bool ConfirmMessage(const char* message) override;
+
+  void RunLater(std::function<void()> callback) override;
+
+  bool IsFullscreen() const override;
+  bool SetFullscreen(bool enabled) override;
+
+  winrt::Windows::ApplicationModel::Core::IFrameworkView CreateView();
+  void Initialize(const winrt::Windows::ApplicationModel::Core::CoreApplicationView&);
+  void Load(const winrt::hstring&);
+  void Uninitialize();
+  void Run();
+  void SetWindow(const winrt::Windows::UI::Core::CoreWindow& window);
+
+protected:
+  enum : u32
+  {
+    DEFAULT_WINDOW_WIDTH = 1280,
+    DEFAULT_WINDOW_HEIGHT = 720
+  };
+
+  ALWAYS_INLINE bool IsEmulationThreadRunning() const { return m_emulation_thread.joinable(); }
+
+  void SetDefaultSettings(SettingsInterface& si) override;
+
+  bool AcquireHostDisplay() override;
+  void ReleaseHostDisplay() override;
+
+  void PollAndUpdate() override;
+  void RequestExit() override;
+
+  bool CreateDisplay(bool fullscreen);
+  void DestroyDisplay();
+  void RunCallbacks();
+  void EmulationThreadEntryPoint();
+
+  bool SetDirectories();
+  void OnSuspending(const IInspectable&, const winrt::Windows::ApplicationModel::SuspendingEventArgs& args);
+  void OnResuming(const IInspectable&, const IInspectable&);
+  void OnClosed(const IInspectable&, const winrt::Windows::UI::Core::CoreWindowEventArgs& args);
+  void OnSizeChanged(const IInspectable&, const winrt::Windows::UI::Core::WindowSizeChangedEventArgs& args);
+  void OnKeyDown(const IInspectable&, const winrt::Windows::UI::Core::KeyEventArgs& args);
+  void OnKeyUp(const IInspectable&, const winrt::Windows::UI::Core::KeyEventArgs& args);
+  void OnCharacterReceived(const IInspectable&, const winrt::Windows::UI::Core::CharacterReceivedEventArgs& args);
+  void OnPointerPressed(const IInspectable&, const winrt::Windows::UI::Core::PointerEventArgs& args);
+  void OnPointerReleased(const IInspectable&, const winrt::Windows::UI::Core::PointerEventArgs& args);
+  void OnPointerMoved(const IInspectable&, const winrt::Windows::UI::Core::PointerEventArgs& args);
+  void OnPointerWheelChanged(const IInspectable&, const winrt::Windows::UI::Core::PointerEventArgs& args);
+  void UpdateMouseButtonState(const winrt::Windows::UI::Input::PointerPoint& point);
+
+  std::optional<HostKeyCode> GetHostKeyCode(const std::string_view key_code) const override;
+  const char* GetKeyCodeName(int key_code);
+  void SetImGuiKeyMap();
+
+  void SetDefaultSettingsForXbox(SettingsInterface& si);
+
+  std::deque<std::function<void()>> m_queued_callbacks;
+  std::mutex m_queued_callbacks_lock;
+
+  winrt::Windows::UI::Core::CoreWindow m_window{nullptr};
+  winrt::Windows::UI::Core::CoreDispatcher m_dispatcher{nullptr};
+  winrt::Windows::UI::ViewManagement::ApplicationView m_appview{nullptr};
+
+  std::thread m_emulation_thread;
+  std::atomic_bool m_shutdown_flag{false};
+
+  bool m_text_input_requested = false;
+
+  Common::Event m_suspend_sync_event;
+  std::atomic_bool m_was_running_on_suspend{false};
+  std::atomic_bool m_was_running_on_background{false};
+};