Implement full mouse support

src/input_common/mouse/mouse_input.h

@@ -0,0 +1,99 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <algorithm>
+#include <functional>
+#include <mutex>
+#include <thread>
+#include <unordered_map>
+#include "common/common_types.h"
+#include "common/threadsafe_queue.h"
+#include "core/frontend/input.h"
+#include "input_common/main.h"
+#include "input_common/motion_input.h"
+
+namespace MouseInput {
+
+enum class MouseButton {
+    Left,
+    Wheel,
+    Right,
+    Foward,
+    Backward,
+    Undefined,
+};
+
+struct MouseStatus {
+    MouseButton button{MouseButton::Undefined};
+};
+
+struct MouseData {
+    bool pressed{};
+    std::array<int, 2> axis{};
+    Input::MotionStatus motion{};
+    Input::TouchStatus touch{};
+};
+
+class Mouse {
+public:
+    Mouse();
+    ~Mouse();
+
+    /// Used for polling
+    void BeginConfiguration();
+    void EndConfiguration();
+
+    /**
+     * Signals that a button is pressed.
+     * @param x the x-coordinate of the cursor
+     * @param y the y-coordinate of the cursor
+     * @param button the button pressed
+     */
+    void PressButton(int x, int y, int button_);
+
+    /**
+     * Signals that mouse has moved.
+     * @param x the x-coordinate of the cursor
+     * @param y the y-coordinate of the cursor
+     */
+    void MouseMove(int x, int y);
+
+    /**
+     * Signals that a motion sensor tilt has ended.
+     */
+    void ReleaseButton(int button_);
+
+    [[nodiscard]] Common::SPSCQueue<MouseStatus>& GetMouseQueue();
+    [[nodiscard]] const Common::SPSCQueue<MouseStatus>& GetMouseQueue() const;
+
+    [[nodiscard]] MouseData& GetMouseState(std::size_t button);
+    [[nodiscard]] const MouseData& GetMouseState(std::size_t button) const;
+
+private:
+    void UpdateThread();
+    void UpdateYuzuSettings();
+
+    struct MouseInfo {
+        InputCommon::MotionInput motion{0.0f, 0.0f, 0.0f};
+        Common::Vec2<int> mouse_origin;
+        Common::Vec2<int> last_mouse_position;
+        bool is_tilting = false;
+        float sensitivity{0.120f};
+
+        float tilt_speed = 0;
+        Common::Vec2<float> tilt_direction;
+        MouseData data;
+    };
+
+    u16 buttons{};
+    std::thread update_thread;
+    MouseButton last_button{MouseButton::Undefined};
+    std::array<MouseInfo, 5> mouse_info;
+    Common::SPSCQueue<MouseStatus> mouse_queue;
+    bool configuring{false};
+    bool update_thread_running{true};
+};
+} // namespace MouseInput