Add per game configuration options (#6187)

* common: Move settings to common from core.

- Removes a dependency on core and input_common from common.

* code: Wrap settings values

* Port from yuzu to allow per game settings

* citra_qt: Initial per-game settings dialog

* citra_qt: Use new API for read/save of config values

* citra_qt: Per game audio settings

* citra_qt: Per game graphics settings

* citra_qt: Per game system settings

* citra_qt: Per game general settings

* citra_qt: Document and run clang format

* citra_qt: Make icon smaller and centered

* citra_qt: Remove version number

* Not sure how to extract that, can always add it back later

* citra_qt: Wrap UISettings

* citra_qt: Fix unthottled fps setting

* citra_qt: Remove margin in emulation tab

* citra_qt: Implement some suggestions

* Bring back speed switch hotkey

* Allow configuration when game is running

* Rename/adjust UI stuff

* citra_qt: Fix build with separate windows

* citra_qt: Address feedback

* citra_qt: Log per-game settings before launching games

* citra_qt: Add shader cache options

* Also fix android build

* citra_qt: Add DLC menu option

* citra_qt: Run clang-format

* citra_qt: Adjust for time offset

* citra_qt: Implement suggestions

* Run clang-format

Co-authored-by: bunnei <bunneidev@gmail.com>

src/citra_qt/configuration/configure_per_game.h

@@ -0,0 +1,66 @@
+// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <memory>
+#include <string>
+#include <QDialog>
+#include <QList>
+#include "citra_qt/configuration/config.h"
+
+namespace Core {
+class System;
+}
+
+class ConfigureAudio;
+class ConfigureGeneral;
+class ConfigureGraphics;
+class ConfigureSystem;
+
+class QGraphicsScene;
+class QStandardItem;
+class QStandardItemModel;
+class QTreeView;
+class QVBoxLayout;
+
+namespace Ui {
+class ConfigurePerGame;
+}
+
+class ConfigurePerGame : public QDialog {
+    Q_OBJECT
+
+public:
+    // Cannot use std::filesystem::path due to https://bugreports.qt.io/browse/QTBUG-73263
+    explicit ConfigurePerGame(QWidget* parent, u64 title_id_, const QString& file_name,
+                              Core::System& system_);
+    ~ConfigurePerGame() override;
+
+    /// Loads all button configurations to settings file
+    void LoadConfiguration();
+
+    /// Save all button configurations to settings file
+    void ApplyConfiguration();
+
+private:
+    void changeEvent(QEvent* event) override;
+    void RetranslateUI();
+
+    void HandleApplyButtonClicked();
+
+    std::unique_ptr<Ui::ConfigurePerGame> ui;
+    std::string filename;
+    u64 title_id;
+
+    QGraphicsScene* scene;
+
+    std::unique_ptr<Config> game_config;
+
+    Core::System& system;
+
+    std::unique_ptr<ConfigureAudio> audio_tab;
+    std::unique_ptr<ConfigureGeneral> general_tab;
+    std::unique_ptr<ConfigureGraphics> graphics_tab;
+    std::unique_ptr<ConfigureSystem> system_tab;
+};