/*
 * Copyright 2008-2011, Clemens Zeidler <haiku@clemens-zeidler.de>
 * Copyright 2022-2025, Haiku, Inc. All rights reserved.
 * Distributed under the terms of the MIT License.
 */
#ifndef MOVEMENT_MAKER_H
#define MOVEMENT_MAKER_H

#include <OS.h>

#include <keyboard_mouse_driver.h>
#include <touchpad_settings.h>


class MovementMaker {
public:
                        void                            SetSpecs(const touchpad_specs& specs);
                        void                            SetSettings(const touchpad_settings& settings);

                        float                           xDelta;
                        float                           yDelta;

                        float                           scrolling_x;
                        float                           scrolling_y;
        
protected:
                        void                            StartNewMovment();
                        void                            GetMovement(uint32 posX, uint32 posY);
                        void                            GetScrolling(uint32 posX, uint32 posY, bool reverse);

                        touchpad_specs          fSpecs;
                        touchpad_settings       fSettings;

                        int8                            fSpeed;
                        int16                           fAreaWidth;
                        int16                           fAreaHeight;

private:
                        void                            _GetRawMovement(uint32 posX, uint32 posY);
                        void                            _ComputeAcceleration(int8 accel_factor);

                        
                        bool                            fMovementMakerStarted;

protected:
                        uint32                          fPreviousX;
                        uint32                          fPreviousY;

private:
                        float                           fDeltaSumX;
                        float                           fDeltaSumY;

                        int8                            fSmallMovement;
};


enum button_ids
{
        kNoButton = 0x00,
        kLeftButton = 0x01,
        kRightButton = 0x02,
        kMiddleButton = 0x04
};


class TouchpadMovement : public MovementMaker {
public:
                                                                TouchpadMovement();
        virtual                                         ~TouchpadMovement();

                        status_t                        EventToMovement(const touchpad_movement *event,
                                                                        mouse_movement *movement, bigtime_t &repeatTimeout);

                        bigtime_t                       click_speed;
private:
                        void                            _UpdateButtons(mouse_movement *movement);
                        bool                            _EdgeMotion(const touchpad_movement *event,
                                                                        mouse_movement *movement, bool validStart);
        inline  bool                            _ClickFingerButtonEmulator(touchpad_movement *event);
        inline  void                            _SoftwareButtonAreas(touchpad_movement *event);
        inline  void                            _NoTouchToMovement(const touchpad_movement *event,
                                                                        mouse_movement *movement);
        inline  void                            _MoveToMovement(const touchpad_movement *event,
                                                                        mouse_movement *movement);
        inline  bool                            _CheckScrollingToMovement(const touchpad_movement *event,
                                                                        mouse_movement *movement);


                        bool                            fMovementStarted;
                        bool                            fScrollingStarted;
                        bool                            fTapStarted;
                        bigtime_t                       fTapTime;
                        int32                           fTapDeltaX;
                        int32                           fTapDeltaY;
                        int32                           fTapClicks;
                        bool                            fTapdragStarted;

                        bool                            fValidEdgeMotion;
                        bigtime_t                       fLastEdgeMotion;
                        float                           fRestEdgeMotion;

                        bool                            fDoubleClick;

                        bigtime_t                       fClickLastTime;
                        int32                           fClickCount;
                        uint32                          fButtonsState;
};


#endif