Duckstation/src/duckstation-sdl/sdl_host_interface.h
2020-08-22 16:50:19 +10:00

108 lines
3.1 KiB
C++

#pragma once
#include "common/gl/program.h"
#include "common/gl/texture.h"
#include "core/host_display.h"
#include "core/host_interface.h"
#include "frontend-common/common_host_interface.h"
#include <SDL.h>
#include <array>
#include <deque>
#include <map>
#include <memory>
#include <mutex>
#include <string>
class AudioStream;
class INISettingsInterface;
class SDLHostInterface final : public CommonHostInterface
{
public:
SDLHostInterface();
~SDLHostInterface();
static std::unique_ptr<SDLHostInterface> Create();
const char* GetFrontendName() const override;
void ReportError(const char* message) override;
void ReportMessage(const char* message) override;
bool ConfirmMessage(const char* message) override;
bool Initialize() override;
void Shutdown() override;
std::string GetStringSettingValue(const char* section, const char* key, const char* default_value = "") override;
bool GetBoolSettingValue(const char* section, const char* key, bool default_value = false) override;
int GetIntSettingValue(const char* section, const char* key, int default_value = 0) override;
float GetFloatSettingValue(const char* section, const char* key, float default_value = 0.0f) override;
void Run();
protected:
void LoadSettings() override;
bool AcquireHostDisplay() override;
void ReleaseHostDisplay() override;
std::unique_ptr<AudioStream> CreateAudioStream(AudioBackend backend) override;
void OnSystemCreated() override;
void OnSystemPaused(bool paused) override;
void OnSystemDestroyed() override;
void OnRunningGameChanged() override;
void RequestExit() override;
void PollAndUpdate() override;
std::optional<HostKeyCode> GetHostKeyCode(const std::string_view key_code) const override;
void UpdateInputMap() override;
private:
bool CreateSDLWindow();
void DestroySDLWindow();
bool CreateDisplay();
void DestroyDisplay();
void CreateImGuiContext();
void UpdateFramebufferScale();
/// Executes a callback later, after the UI has finished rendering. Needed to boot while rendering ImGui.
void RunLater(std::function<void()> callback);
void SaveAndUpdateSettings();
bool IsFullscreen() const override;
bool SetFullscreen(bool enabled) override;
// We only pass mouse input through if it's grabbed
void DrawImGuiWindows() override;
void DoStartDisc();
void DoChangeDisc();
void DoDumpRAM();
void HandleSDLEvent(const SDL_Event* event);
void ProcessEvents();
void DrawMainMenuBar();
void DrawQuickSettingsMenu();
void DrawDebugMenu();
void DrawPoweredOffWindow();
void DrawSettingsWindow();
void DrawAboutWindow();
bool DrawFileChooser(const char* label, std::string* path, const char* filter = nullptr);
void ClearImGuiFocus();
SDL_Window* m_window = nullptr;
std::unique_ptr<HostDisplayTexture> m_app_icon_texture;
std::unique_ptr<INISettingsInterface> m_settings_interface;
u32 m_run_later_event_id = 0;
bool m_fullscreen = false;
bool m_quit_request = false;
bool m_settings_window_open = false;
bool m_about_window_open = false;
// this copy of the settings is modified by imgui
Settings m_settings_copy;
};