Gesture mouse in C#

Form1.cs

using Leap;

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

using System.Runtime.InteropServices;
using System.Threading;


namespace gesture_mouse
{
    public partial class Form1 : Form
    {
        SampleListener listener = new SampleListener();
        Controller controller = new Controller();
        
        public Form1()
        {
            InitializeComponent();
            listener.FrameReady += listener_FrameReady;
            controller.EnableGesture(Gesture.GestureType.TYPESCREENTAP);
            controller.EnableGesture(Gesture.GestureType.TYPESWIPE);
            controller.EnableGesture(Gesture.GestureType.TYPECIRCLE);
        }
        protected override void OnFormClosed(FormClosedEventArgs e)
        {
            base.OnFormClosed(e);
            controller.RemoveListener(listener);
            controller.Dispose();
        }
        float x = 0;
        float y = 0;
        float k = 0.125f;
        float tracking = 0;
        float trackSpeed = 4;
        bool right_down = false;
        bool left_down = false;

        void listener_FrameReady(Controller controller)
        {
            Frame frame = controller.Frame();

            if (frame.Pointables.Count > 0)
            {
                Pointable p = frame.Pointables[0];
                Leap.Screen s = controller.CalibratedScreens.ClosestScreenHit(p);
                Hand hand = frame.Hands[0];
                FingerList fingers = hand.Fingers;
                // Check if the hand has any fingers


                Vector v = Vector.Zero;
                if (frame.Pointables.Count == 0)
                {
                    if (right_down == true)
                    {
                        right_down = false;
                        tracking = 0;
                        MouseHelper.MouseEvent(MouseHelper.MouseEventFlags.RightUp);

                    }
                    if (left_down == true)
                    {
                        left_down = false;
                        tracking = 0;
                        MouseHelper.MouseEvent(MouseHelper.MouseEventFlags.LeftUp);

                    }

                }
                if (frame.Pointables.Count == 1)
                {
                    
                    int numGestures = frame.Gestures().Count();
                    if (numGestures > 0)
                    {
                        for (int i = 0; i < numGestures; i++)
                        {
                            if (frame.Gestures()[i].Type == Leap.Gesture.GestureType.TYPESCREENTAP)
                            {
                                ScreenTapGesture tap = new ScreenTapGesture(frame.Gestures()[i]);
                            }
                            else if (frame.Gestures()[i].Type == Leap.Gesture.GestureType.TYPESWIPE)
                            {
                                SwipeGesture swipe = new SwipeGesture(frame.Gestures()[i]);
                                MouseHelper.MouseEvent(MouseHelper.MouseEventFlags.Wheel, (long)(swipe.Direction.y * swipe.Speed));
                            }
                            else if (frame.Gestures()[i].Type == Leap.Gesture.GestureType.TYPECIRCLE)
                            {
                                CircleGesture circle = new CircleGesture(frame.Gestures()[i]);
                                float progress = circle.Progress;

                            }
                        }
                    }
                    else
                    {

                        x += (((float)0.5 + frame.Pointables[0].TipPosition.Normalized.x) * s.WidthPixels / (float)1.0 - x) * k;
                        y += (((300 - frame.Pointables[0].TipPosition.y) * s.HeightPixels / 150) - y) * k;
                        debugbox1.Text = x.ToString() + " --- " + frame.Pointables[0].TipPosition.y.ToString();
                        MouseHelper.SetCursorPosition((int)x, (int)y);
                    }
                }
                if (frame.Pointables.Count == 2)
                {
                    if (frame.Gestures().Count() == 0)
                    {
                        v = fingers[0].TipPosition;
                            double dist = Math.Sqrt(Math.Pow(v.x - fingers[1].TipPosition.x, 2) + Math.Pow(v.y - fingers[1].TipPosition.y, 2));
                            if (dist > 31 || dist < 7)
                            {
                                if (left_down == true)
                                {
                                    MouseHelper.MouseEvent(MouseHelper.MouseEventFlags.LeftUp);
                                    left_down = false;
                                }
                                tracking = 0;
                            }
                            else
                            {
                                tracking += trackSpeed;
                                if (left_down == false)
                                {
                                    MouseHelper.MouseEvent(MouseHelper.MouseEventFlags.LeftDown);
                                    left_down = true;
                                }

                            }

                            float px = (v.Normalized.x + fingers[1].TipPosition.Normalized.x) / 2;
                            float py = (v.y + fingers[1].TipPosition.y) / 2;

                            x = ((float)0.5 + px) * s.WidthPixels / (float)1.0;
                            y = ((300 - py) * s.HeightPixels / 150);
                            if (tracking > 100 || tracking <= 0) MouseHelper.SetCursorPosition((int)x, (int)y);
                    }
                    else
                    {
                        
                            for (int i = 0; i < frame.Gestures().Count(); i++)
                            {
                                if (frame.Gestures()[i].Type == Leap.Gesture.GestureType.TYPESCREENTAP)
                                {
                                    ScreenTapGesture tap = new ScreenTapGesture(frame.Gestures()[i]);
                                }
                                else if (frame.Gestures()[i].Type == Leap.Gesture.GestureType.TYPESWIPE)
                                {
                                    SwipeGesture swipe = new SwipeGesture(frame.Gestures()[i]);
                                    MouseHelper.MouseEvent(MouseHelper.MouseEventFlags.Wheel, (long)(swipe.Direction.y * swipe.Speed));
                                }
                                else if (frame.Gestures()[i].Type == Leap.Gesture.GestureType.TYPECIRCLE)
                                {
                                    CircleGesture circle = new CircleGesture(frame.Gestures()[i]);
                                    float progress = circle.Progress;

                                }
                            }
                        }
                }

                    // ------------------------------------- >2 pointables ----------------------
                    if (frame.Pointables.Count > 2)
                    {

                        if (frame.Gestures().Count() > 0)
                        {
                            //debugbox1.Text = "Gesture" + frame.Gestures()[0].ToString();
                            int numGestures = frame.Gestures().Count();
                            if (numGestures > 0)
                            {
                                for (int i = 0; i < numGestures; i++)
                                {
                                    if (frame.Gestures()[i].Type == Leap.Gesture.GestureType.TYPESCREENTAP)
                                    {
                                        ScreenTapGesture tap = new ScreenTapGesture(frame.Gestures()[i]);
                                    }
                                    else if (frame.Gestures()[i].Type == Leap.Gesture.GestureType.TYPESWIPE)
                                    {
                                        SwipeGesture swipe = new SwipeGesture(frame.Gestures()[i]);
                                        MouseHelper.MouseEvent(MouseHelper.MouseEventFlags.Wheel, (long)(swipe.Direction.y * swipe.Speed));
                                    }
                                    else if (frame.Gestures()[i].Type == Leap.Gesture.GestureType.TYPECIRCLE)
                                    {
                                        CircleGesture circle = new CircleGesture(frame.Gestures()[i]);
                                        float progress = circle.Progress;

                                    }
                                }
                            }
                        }
                    }                    
                }
             checkBox1.Checked = left_down;
             checkBox2.Checked = right_down;
            
        }

       

        private void button1_Click(object sender, EventArgs e)
        {
            controller.AddListener(listener);
        }

        private void button2_Click(object sender, EventArgs e)
        {
            controller.RemoveListener(listener);
        }
       

        private void toolStripMenuItem1_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }

        

    }
    class SampleListener : Listener
    {
        public override void OnInit(Controller controller)
        { }

        public override void OnConnect(Controller controller)
        { }

        public override void OnDisconnect(Controller controller)
        { }
        public override void OnExit(Controller controller)
        { }

        public delegate void FrameHandler(Controller controller);
        public event FrameHandler FrameReady;

        public override void OnFrame(Controller controller)
        {
            if (FrameReady != null)
            {
                FrameReady(controller);
            }
        }
    }

    class MouseHelper
    {
        [StructLayout(LayoutKind.Sequential)]
        public struct MousePoint
        {
            public int X;
            public int Y;

            public MousePoint(int x, int y)
            {
                X = x;
                Y = y;
            }

        }

        [Flags]
        public enum MouseEventFlags
        {
            LeftDown = 0x00000002,
            LeftUp = 0x00000004,
            MiddleDown = 0x00000020,
            MiddleUp = 0x00000040,
            Move = 0x00000001,
            Absolute = 0x00008000,
            RightDown = 0x00000008,
            RightUp = 0x00000010,
            Wheel = 0x00000800,
            XDown = 0x00000080,
            XUp = 0x00000100
        }

        [DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
        public static extern void mouse_event(long dwFlags, long dx, long dy, long cButtons, long dwExtraInfo);

       
        [DllImport("user32.dll", EntryPoint = "SetCursorPos")]
        [return: MarshalAs(UnmanagedType.Bool)]
        private static extern bool SetCursorPos(int X, int Y);

        [DllImport("user32.dll")]
        [return: MarshalAs(UnmanagedType.Bool)]
        private static extern bool GetCursorPos(out MousePoint lpMousePoint);

        public static void SetCursorPosition(int X, int Y)
        {
            SetCursorPos(X, Y);
        }

        public static void SetCursorPosition(MousePoint point)
        {
            SetCursorPos(point.X, point.Y);
        }

        public static MousePoint GetCursorPosition()
        {
            MousePoint currentMousePoint;
            var gotPoint = GetCursorPos(out currentMousePoint);
            if (!gotPoint) { currentMousePoint = new MousePoint(0, 0); }
            return currentMousePoint;
        }

        public static void MouseEvent(MouseEventFlags value)
        {
            MouseEvent(value, 0);
        }

        public static void MouseEvent(MouseEventFlags value, long data)
        {
            MousePoint position = GetCursorPosition();

            mouse_event((int)value, position.X, position.Y, data, 0);
        }
        public static void MouseEvent(int x, int y, MouseEventFlags value, long data)
        {
            MousePoint position = GetCursorPosition();

            mouse_event((int)value, x, y, data, 0);
        }
    }
}

Form1.Designer.cs

namespace gesture_mouse
{
    partial class Form1
    {
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.IContainer components = null;

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }

        #region Windows Form Designer generated code

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            this.components = new System.ComponentModel.Container();
            System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(Form1));
            this.checkBox1 = new System.Windows.Forms.CheckBox();
            this.checkBox2 = new System.Windows.Forms.CheckBox();
            this.gesture_mouse = new System.Windows.Forms.NotifyIcon(this.components);
            this.debugbox1 = new System.Windows.Forms.TextBox();
            this.speed = new System.Windows.Forms.TextBox();
            this.button1 = new System.Windows.Forms.Button();
            this.button2 = new System.Windows.Forms.Button();
            this.SuspendLayout();
            // 
            // checkBox1
            // 
            this.checkBox1.AutoSize = true;
            this.checkBox1.Location = new System.Drawing.Point(71, 13);
            this.checkBox1.Name = "checkBox1";
            this.checkBox1.Size = new System.Drawing.Size(98, 21);
            this.checkBox1.TabIndex = 0;
            this.checkBox1.Text = "checkBox1";
            this.checkBox1.UseVisualStyleBackColor = true;
            // 
            // checkBox2
            // 
            this.checkBox2.AutoSize = true;
            this.checkBox2.Location = new System.Drawing.Point(213, 12);
            this.checkBox2.Name = "checkBox2";
            this.checkBox2.Size = new System.Drawing.Size(98, 21);
            this.checkBox2.TabIndex = 1;
            this.checkBox2.Text = "checkBox2";
            this.checkBox2.UseVisualStyleBackColor = true;
            // 
            // gesture_mouse
            // 
            this.gesture_mouse.BalloonTipIcon = System.Windows.Forms.ToolTipIcon.Info;
            this.gesture_mouse.BalloonTipText = "Gesture_mouse";
            this.gesture_mouse.Icon = ((System.Drawing.Icon)(resources.GetObject("gesture_mouse.Icon")));
            this.gesture_mouse.Text = "Gesture_mouse";
            this.gesture_mouse.Visible = true;
            this.gesture_mouse.MouseDoubleClick += new System.Windows.Forms.MouseEventHandler(this.gesture_mouse_MouseDoubleClick);
            // 
            // debugbox1
            // 
            this.debugbox1.ImeMode = System.Windows.Forms.ImeMode.Disable;
            this.debugbox1.Location = new System.Drawing.Point(71, 41);
            this.debugbox1.Name = "debugbox1";
            this.debugbox1.Size = new System.Drawing.Size(240, 22);
            this.debugbox1.TabIndex = 2;
            // 
            // speed
            // 
            this.speed.Location = new System.Drawing.Point(71, 70);
            this.speed.Name = "speed";
            this.speed.Size = new System.Drawing.Size(240, 22);
            this.speed.TabIndex = 3;
            this.speed.TextChanged += new System.EventHandler(this.speed_TextChanged);
            // 
            // button1
            // 
            this.button1.Location = new System.Drawing.Point(383, 35);
            this.button1.Name = "button1";
            this.button1.Size = new System.Drawing.Size(75, 23);
            this.button1.TabIndex = 4;
            this.button1.Text = "Start";
            this.button1.UseVisualStyleBackColor = true;
            this.button1.Click += new System.EventHandler(this.button1_Click);
            // 
            // button2
            // 
            this.button2.Location = new System.Drawing.Point(383, 69);
            this.button2.Name = "button2";
            this.button2.Size = new System.Drawing.Size(75, 23);
            this.button2.TabIndex = 5;
            this.button2.Text = "Stop";
            this.button2.UseVisualStyleBackColor = true;
            this.button2.Click += new System.EventHandler(this.button2_Click);
            // 
            // Form1
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 16F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(489, 154);
            this.Controls.Add(this.button2);
            this.Controls.Add(this.button1);
            this.Controls.Add(this.speed);
            this.Controls.Add(this.debugbox1);
            this.Controls.Add(this.checkBox2);
            this.Controls.Add(this.checkBox1);
            this.Name = "Form1";
            this.Text = "Gesture Mouse";
            this.ResumeLayout(false);
            this.PerformLayout();

        }

        #endregion

        private System.Windows.Forms.CheckBox checkBox1;
        private System.Windows.Forms.CheckBox checkBox2;
        private System.Windows.Forms.NotifyIcon gesture_mouse;
        private System.Windows.Forms.TextBox debugbox1;
        private System.Windows.Forms.TextBox speed;
        private System.Windows.Forms.Button button1;
        private System.Windows.Forms.Button button2;
    }
}