input_common: Rewrite mouse

src/input_common/drivers/mouse.h

@@ -0,0 +1,77 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#pragma once
+
+#include <stop_token>
+#include <thread>
+
+#include "common/vector_math.h"
+#include "input_common/input_engine.h"
+
+namespace InputCommon {
+
+enum class MouseButton {
+    Left,
+    Right,
+    Wheel,
+    Backward,
+    Forward,
+    Task,
+    Extra,
+    Undefined,
+};
+
+/**
+ * A button device factory representing a keyboard. It receives keyboard events and forward them
+ * to all button devices it created.
+ */
+class Mouse final : public InputCommon::InputEngine {
+public:
+    explicit Mouse(const std::string input_engine_);
+
+    /**
+     * Signals that mouse has moved.
+     * @param x the x-coordinate of the cursor
+     * @param y the y-coordinate of the cursor
+     * @param center_x the x-coordinate of the middle of the screen
+     * @param center_y the y-coordinate of the middle of the screen
+     */
+    void MouseMove(int x, int y, f32 touch_x, f32 touch_y, int center_x, int center_y);
+
+    /**
+     * Sets the status of all buttons bound with the key to pressed
+     * @param key_code the code of the key to press
+     */
+    void PressButton(int x, int y, f32 touch_x, f32 touch_y, MouseButton button);
+
+    /**
+     * Sets the status of all buttons bound with the key to released
+     * @param key_code the code of the key to release
+     */
+    void ReleaseButton(MouseButton button);
+
+    void ReleaseAllButtons();
+
+    std::vector<Common::ParamPackage> GetInputDevices() const override;
+    std::string GetUIName(const Common::ParamPackage& params) const override;
+
+private:
+    void UpdateThread(std::stop_token stop_token);
+    void StopPanning();
+
+    const PadIdentifier identifier = {
+        .guid = Common::UUID{""},
+        .port = 0,
+        .pad = 0,
+    };
+    Common::Vec2<int> mouse_origin;
+    Common::Vec2<int> last_mouse_position;
+    Common::Vec2<float> last_mouse_change;
+    bool button_pressed;
+    int mouse_panning_timout{};
+    std::jthread update_thread;
+};
+
+} // namespace InputCommon