citra-qt: Move config dialog code to its own directory

src/citra_qt/configuration/configure_input.h

@@ -0,0 +1,69 @@
+// Copyright 2016 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <functional>
+#include <memory>
+#include <string>
+#include <QKeyEvent>
+#include <QWidget>
+#include <boost/optional.hpp>
+#include "common/param_package.h"
+#include "core/settings.h"
+#include "ui_configure_input.h"
+
+class QPushButton;
+class QString;
+class QTimer;
+
+namespace Ui {
+class ConfigureInput;
+}
+
+class ConfigureInput : public QWidget {
+    Q_OBJECT
+
+public:
+    explicit ConfigureInput(QWidget* parent = nullptr);
+
+    /// Save all button configurations to settings file
+    void applyConfiguration();
+
+private:
+    std::unique_ptr<Ui::ConfigureInput> ui;
+
+    std::unique_ptr<QTimer> timer;
+
+    /// This will be the the setting function when an input is awaiting configuration.
+    boost::optional<std::function<void(int)>> key_setter;
+
+    std::array<Common::ParamPackage, Settings::NativeButton::NumButtons> buttons_param;
+    std::array<Common::ParamPackage, Settings::NativeAnalog::NumAnalogs> analogs_param;
+
+    static constexpr int ANALOG_SUB_BUTTONS_NUM = 5;
+
+    /// Each button input is represented by a QPushButton.
+    std::array<QPushButton*, Settings::NativeButton::NumButtons> button_map;
+
+    /// Each analog input is represented by five QPushButtons which represents up, down, left, right
+    /// and modifier
+    std::array<std::array<QPushButton*, ANALOG_SUB_BUTTONS_NUM>, Settings::NativeAnalog::NumAnalogs>
+        analog_map;
+
+    static const std::array<std::string, ANALOG_SUB_BUTTONS_NUM> analog_sub_buttons;
+
+    /// Load configuration settings.
+    void loadConfiguration();
+    /// Restore all buttons to their default values.
+    void restoreDefaults();
+    /// Update UI to reflect current configuration.
+    void updateButtonLabels();
+
+    /// Called when the button was pressed.
+    void handleClick(QPushButton* button, std::function<void(int)> new_key_setter);
+    /// Handle key press events.
+    void keyPressEvent(QKeyEvent* event) override;
+};