using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace Menu_Drawing_Manual
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{

		int dFunction = 0;
		Color dColor = Color.Black;

		MenuItem menuFunction, menuRectangle, menuEllipse; //drawing function submenu items
		MenuItem menuColor, menuRed, menuGreen, menuBlue; //drawing color submenu items
		MenuItem menuClear, menuQuit; //clear and quit menu items

		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			//
			// TODO: Add any constructor code after InitializeComponent call
			//

			//Drawing Function
			menuRectangle = new MenuItem("&Rectangle (Ctrl-R)", new EventHandler(MenuFunctionRectangleOnClick), Shortcut.CtrlR);
			MenuItem menuSep = new MenuItem("-"); // a line separator
			menuEllipse = new MenuItem("&Ellipse (Ctrl-E)", new EventHandler(MenuFunctionEllipseOnClick), Shortcut.CtrlE);
			menuFunction = new MenuItem("Drawing &Function", new MenuItem[] {menuRectangle, menuSep, menuEllipse});

			//Drawing Color
			menuRed = new MenuItem("R&ed (Ctrl-D", new EventHandler(MenuColorRedOnClick), Shortcut.CtrlD);
			menuGreen = new MenuItem("&Green (Ctrl-G)", new EventHandler(MenuColorGreenOnClick), Shortcut.CtrlG);
			menuBlue = new MenuItem("&Blue (Ctrl-B)", new EventHandler(MenuColorBlueOnClick), Shortcut.CtrlB);
			menuColor = new MenuItem("Drawing &Color", new MenuItem[] {menuRed, menuGreen, menuBlue});

			//Clear
			menuClear = new MenuItem("Clear &Screen (Ctrl-S)", new EventHandler(MenuClearOnClick), Shortcut.CtrlS);

			//Quit
			menuQuit = new MenuItem("&Quit (Ctrl-Q)", new EventHandler(MenuQuitOnClick), Shortcut.CtrlQ);

			//Main Menu
			this.Menu = new MainMenu(new MenuItem[] {menuFunction, menuColor, menuClear, menuQuit});

		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (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()
		{
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(480, 309);
			this.Name = "Form1";
			this.Text = "Manual Menu";
			this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);

		}
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

		void MenuFunctionRectangleOnClick(object obj, EventArgs e)
		{
			dFunction = 1;
			menuRectangle.Checked = true;
			menuEllipse.Checked = false;
			Invalidate();
		}

		void MenuFunctionEllipseOnClick(object obj, EventArgs e)
		{
			dFunction = 2;
			menuEllipse.Checked = true;
			menuRectangle.Checked = false;
			Invalidate();
		}

		void MenuColorRedOnClick(object obj, EventArgs e)
		{
			dColor = Color.Red;
			menuRed.Checked = true;
			menuBlue.Checked = false;
			menuGreen.Checked = false;
			Invalidate();
		}

		void MenuColorGreenOnClick(object obj, EventArgs e)
		{
			dColor = Color.Green;
			menuRed.Checked = false;
			menuBlue.Checked = false;
			menuGreen.Checked = true;
			Invalidate();
		}

		void MenuColorBlueOnClick(object obj, EventArgs e)
		{
			dColor = Color.Blue;
			menuRed.Checked = false;
			menuBlue.Checked = true;
			menuGreen.Checked = false;
			Invalidate();
		}

		void MenuClearOnClick(object obj, EventArgs e)
		{
			dFunction = 0;
			Invalidate();
		}

		void MenuQuitOnClick(object obj, EventArgs e)
		{
			Close();
		}

		private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
		{
			Graphics g = e.Graphics;
			Brush b = new SolidBrush(dColor);
			if (dFunction == 1)
				g.FillRectangle(b, 10,10,100,100);
			if (dFunction == 2)
				g.FillEllipse(b, 100,100,100,100);		
		}

	}
}