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;

namespace MultitabBrowser
{
	public partial class Form1 : Form
	{
		[DllImport("user32.dll",CharSet=CharSet.Auto, CallingConvention=CallingConvention.StdCall)]
	   public static extern void mouse_event(uint dwFlags, int dx, int dy, uint cButtons, uint dwExtraInfo);

		private const int MOUSEEVENTF_MOVE = 0x01;
	   private const int MOUSEEVENTF_LEFTDOWN = 0x02;
	   private const int MOUSEEVENTF_LEFTUP = 0x04;
	   private const int MOUSEEVENTF_RIGHTDOWN = 0x08;
	   private const int MOUSEEVENTF_RIGHTUP = 0x10;



		public Form1()
		{
			InitializeComponent();
		}

		public void DoMouseClick(int iX, int iY)
		{
			//Call the imported function with the cursor's current position
			mouse_event(MOUSEEVENTF_MOVE, -10000, -10000, 0, 0);
			mouse_event(MOUSEEVENTF_MOVE, iX, iY, 0, 0);
			mouse_event(MOUSEEVENTF_LEFTDOWN | MOUSEEVENTF_LEFTUP, iX, iY, 0, 0);
			
		}

		private void CheckKeyDown(PreviewKeyDownEventArgs e, int iViewIdx)
		{
			Console.WriteLine(iViewIdx);

			if((e.Modifiers & Keys.Control) == Keys.Control)
			{
				if(e.KeyCode == Keys.D1)
					webBrowser1.Refresh();
				else if(e.KeyCode == Keys.D2)
					webBrowser2.Refresh();
				else if(e.KeyCode == Keys.D3)
					webBrowser3.Refresh();
				else if(e.KeyCode == Keys.D4)
					webBrowser4.Refresh();

				System.Windows.Forms.WebBrowser[] aWebView = {
																			 webBrowser1,
																			 webBrowser2,
																			 webBrowser3,
																			 webBrowser4 };

				if(e.KeyCode == Keys.U || e.KeyCode == Keys.H)
					iViewIdx = 0;
				else if(e.KeyCode == Keys.I || e.KeyCode == Keys.J)
					iViewIdx = 1;
				else if(e.KeyCode == Keys.O || e.KeyCode == Keys.K)
					iViewIdx = 2;
				else if(e.KeyCode == Keys.P || e.KeyCode == Keys.L)
					iViewIdx = 3;

				int iBaseX = this.Left;
				int iBaseY = this.Top;
				for(int i=0; i<iViewIdx; i++)
					iBaseX += (aWebView[iViewIdx].Parent.Width+5);

				if((e.Modifiers & Keys.Shift) == Keys.Shift)
				{
					if(e.KeyCode == Keys.U)
						DoMouseClick(iBaseX+aWebView[0].Left+aWebView[0].Width-50, iBaseY+aWebView[0].Top+40);
					else if(e.KeyCode == Keys.I)
						DoMouseClick(iBaseX+aWebView[1].Left+aWebView[1].Width-50, iBaseY+aWebView[1].Top+40);
					else if(e.KeyCode == Keys.O)
						DoMouseClick(iBaseX+aWebView[2].Left+aWebView[2].Width-50, iBaseY+aWebView[2].Top+40);
					else if(e.KeyCode == Keys.P)
						DoMouseClick(iBaseX+aWebView[3].Left+aWebView[3].Width-50, iBaseY+aWebView[3].Top+40);

					if(e.KeyCode == Keys.H)
						DoMouseClick(iBaseX+aWebView[0].Left+aWebView[0].Width/2, iBaseY+aWebView[0].Top+aWebView[iViewIdx].Height+10);
					else if(e.KeyCode == Keys.J)
						DoMouseClick(iBaseX+aWebView[1].Left+aWebView[1].Width/2, iBaseY+aWebView[1].Top+aWebView[iViewIdx].Height+10);
					else if(e.KeyCode == Keys.K)
						DoMouseClick(iBaseX+aWebView[2].Left+aWebView[2].Width/2, iBaseY+aWebView[2].Top+aWebView[iViewIdx].Height+10);
					else if(e.KeyCode == Keys.L)
						DoMouseClick(iBaseX+aWebView[3].Left+aWebView[3].Width/2, iBaseY+aWebView[3].Top+aWebView[iViewIdx].Height+10);
				}
			}
		}

		private void webBrowser1_PreviewKeyDown(object sender, PreviewKeyDownEventArgs e)
		{
			CheckKeyDown(e, 0);
		}

		private void webBrowser2_PreviewKeyDown(object sender, PreviewKeyDownEventArgs e)
		{
			CheckKeyDown(e, 1);
		}

		private void webBrowser3_PreviewKeyDown(object sender, PreviewKeyDownEventArgs e)
		{
			CheckKeyDown(e, 2);
		}

		private void webBrowser4_PreviewKeyDown(object sender, PreviewKeyDownEventArgs e)
		{
			CheckKeyDown(e, 3);
		}
	}
}