C#

#region Using Directives<br />
<br />
using System;<br />
using System.Drawing;<br />
using System.ComponentModel;<br />
using System.Drawing.Drawing2D;<br />
using System.Windows.Forms;<br />
<br />
#endregion<br />
<br />
namespace Controls<br />
{<br />
	public class GradientToolBar : System.Windows.Forms.ToolBar<br />
	{<br />
		#region autostuff<br />
<br />
		private System.ComponentModel.Container components = null;<br />
		private Color gradientColorA = SystemColors.Control;<br />
		private Color gradientColorB = Color.Green;//.LightGray;<br />
		private LinearGradientMode gradientMode = LinearGradientMode.Vertical;<br />
<br />
		#region Component Designer generated code<br />
		private void InitializeComponent()<br />
		{<br />
			components = new System.ComponentModel.Container();<br />
		}<br />
		#endregion<br />
<br />
		protected override void Dispose( bool disposing )<br />
		{<br />
			if( disposing )<br />
			{<br />
				if(components != null)<br />
				{<br />
					components.Dispose();<br />
				}<br />
			}<br />
			base.Dispose( disposing );<br />
		}<br />
<br />
		#endregion<br />
<br />
		#region properties<br />
<br />
		public Color ColorA<br />
		{<br />
			get { return gradientColorA; }<br />
			set { gradientColorA = value; }<br />
		}<br />
<br />
		public Color ColorB<br />
		{<br />
			get { return gradientColorB; }<br />
			set { gradientColorB = value; }<br />
		}<br />
<br />
		public LinearGradientMode GradientDrawMode<br />
		{<br />
			get { return gradientMode; }<br />
			set { gradientMode = value; }<br />
		}<br />
<br />
		#endregion<br />
<br />
		#region variables<br />
<br />
		private bool mouse_down;<br />
		private int last_selected_button;<br />
<br />
		#endregion<br />
<br />
		#region initializer<br />
		/// <summary><br />
		/// A Gradient ToolBar<br />
		/// </summary><br />
		public GradientToolBar()<br />
		{<br />
			InitializeComponent();<br />
<br />
			//Activate DoubleBuffering to reduce flicker<br />
			SetStyle(ControlStyles.UserPaint, true);<br />
			SetStyle(ControlStyles.AllPaintingInWmPaint, true);<br />
			SetStyle(ControlStyles.DoubleBuffer, true);<br />
<br />
			//not sure if this is better then SetStyle(ControlStyles.UserPaint, true);<br />
			//this.SetStyle(System.Windows.Forms.ControlStyles.UserPaint, true);<br />
<br />
			this.last_selected_button = -1;<br />
			this.mouse_down = false;<br />
		}<br />
<br />
		#endregion<br />
<br />
		#region overrides<br />
		/// <summary><br />
		/// Draws the control<br />
		/// </summary><br />
		/// <param name="e"></param><br />
		protected override void OnPaint(PaintEventArgs e)<br />
		{<br />
			//draw background of toolbar<br />
			DrawGradientOnARectangle(e.Graphics, new Rectangle(0, 0, this.Width, this.Height), this.gradientColorA, this.gradientColorB, this.gradientMode);<br />
<br />
			for(int i = 0; i < this.Buttons.Count; i++)<br />
			{<br />
				//draw pushed appearence on a buttons if pushed<br />
				if(this.Buttons[i].Pushed || this.Buttons[i].PartialPush)<br />
					DrawGradientOnARectangle(e.Graphics, this.Buttons[i].Rectangle, Color.Red, Color.Blue, this.gradientMode);<br />
<br />
				//draw border around a button<br />
				DrawBorderOfARectangle(e.Graphics,this.Buttons[i].Rectangle);	<br />
<br />
				//draw buttons image if they exist...may need to do more i didnt test this<br />
				if(this.ImageList != null)<br />
					DrawImageInRectangle(e.Graphics,this.Buttons[i].Rectangle,this.ImageList.Images[this.Buttons[i].ImageIndex]);<br />
<br />
				//draw text<br />
				DrawTextInRectangle(e.Graphics,this.Buttons[i].Rectangle,this.Buttons[i].Text);<br />
			}<br />
		}<br />
<br />
		/// <summary><br />
		/// OnPaintBackground<br />
		/// </summary><br />
		/// <param name="pevent"></param><br />
		protected override void OnPaintBackground(PaintEventArgs pevent)<br />
		{<br />
			//we dont need base.OnPaintBackground (pevent); being called cause we're doing all the painting<br />
		}<br />
<br />
		/// <summary><br />
		/// OnResize, so refresh control<br />
		/// </summary><br />
		/// <param name="e"></param><br />
		protected override void OnResize(System.EventArgs e)<br />
		{<br />
			this.Refresh();<br />
			base.OnResize (e);<br />
		}<br />
<br />
		/// <summary><br />
		/// MouseDown, so find if the mouse hit any buttons and if so apply pressure to them<br />
		/// </summary><br />
		/// <param name="e"></param><br />
		protected override void OnMouseDown(MouseEventArgs e)<br />
		{	<br />
			this.mouse_down = true;<br />
			PushThisButton(e.X,e.Y);<br />
			base.OnMouseDown (e);<br />
		}<br />
<br />
		/// <summary><br />
		/// MouseUp, so de-select all buttons<br />
		/// </summary><br />
		/// <param name="e"></param><br />
		protected override void OnMouseUp(MouseEventArgs e)<br />
		{<br />
			this.mouse_down = false;<br />
			UnPushAllButtons();<br />
			base.OnMouseUp (e);<br />
		}<br />
<br />
		/// <summary><br />
		/// MouseMove, so if mouse left the control while depressed...de-select all buttons<br />
		/// </summary><br />
		/// <param name="e"></param><br />
		protected override void OnMouseMove(MouseEventArgs e)<br />
		{<br />
			if(this.Buttons == null || !this.mouse_down || this.last_selected_button == -1)<br />
				return;<br />
<br />
			if(e.Y >= this.Buttons[this.last_selected_button].Rectangle.Top && e.Y <= this.Buttons[this.last_selected_button].Rectangle.Bottom)<br />
			{<br />
				if(e.X <= this.Buttons[this.last_selected_button].Rectangle.Right && e.X >= this.Buttons[this.last_selected_button].Rectangle.Left)<br />
					this.Buttons[this.last_selected_button].Pushed = true;<br />
			}<br />
<br />
			else<br />
				UnPushAllButtons();<br />
<br />
			base.OnMouseMove (e);<br />
		}<br />
<br />
		#endregion<br />
<br />
		#region functions<br />
		// pressing "///" after writing a function makes this auto generated summary blocks...and when you call the function somewhere, what you typed in the summary appears in that little tooltip... if you didnt know...cool thing :P<br />
<br />
		/// <summary><br />
		/// Un-depresses all buttons. Will stop looking for pressed buttons after finds one.<br />
		/// I don't think you can have more then one pressed at any given time.<br />
		/// </summary><br />
		private void UnPushAllButtons()<br />
		{<br />
			for(int i = 0; i < this.Buttons.Count; i++)<br />
			{<br />
				if(this.Buttons[i].Pushed || this.Buttons[i].PartialPush)<br />
				{<br />
					this.Buttons[i].Pushed = false;<br />
					this.Buttons[i].PartialPush = false;<br />
					break; //leave for loop cause only one can be pushed at any time right?<br />
				}<br />
			}<br />
		}<br />
<br />
		/// <summary><br />
		/// Checks all buttons locations to see which the mouse has targeted<br />
		/// </summary><br />
		/// <param name="X">x location of mouse in control</param><br />
		/// <param name="Y">y location of mouse in control</param><br />
		private void PushThisButton(int X, int Y)<br />
		{<br />
			for(int i = 0; i < this.Buttons.Count; i++)<br />
			{<br />
				if(Y >= this.Buttons[i].Rectangle.Top && Y <= this.Buttons[i].Rectangle.Bottom)<br />
				{<br />
					if(X <= this.Buttons[i].Rectangle.Right && X >= this.Buttons[i].Rectangle.Left)<br />
					{<br />
						this.Buttons[i].Pushed = true;<br />
						this.last_selected_button = i;<br />
						break; //leave for loop cause only one can be pushed at any time right?<br />
					}<br />
				}<br />
			}<br />
		}<br />
<br />
		/// <summary><br />
		/// Draws the outline of a rectangle<br />
		/// </summary><br />
		/// <param name="g">e.Graphics</param><br />
		/// <param name="rect">rectangle to get outline from</param><br />
		private void DrawBorderOfARectangle(Graphics g, Rectangle rect)<br />
		{<br />
			using(SolidBrush sb = new SolidBrush(Color.Blue))<br />
			{<br />
				using(Pen p = new Pen(sb,1))<br />
				{<br />
					g.DrawRectangle(p,rect);	<br />
				}<br />
			}<br />
		}<br />
<br />
		/// <summary><br />
		/// Draws a image centered inside a rectangle<br />
		/// </summary><br />
		/// <param name="g">e.Graphics</param><br />
		/// <param name="rect">rectangle to center image in</param><br />
		/// <param name="pic">image to draw</param><br />
		private void DrawImageInRectangle(Graphics g, Rectangle rect, Image pic)<br />
		{<br />
			PointF top_left_point_of_centered_spot_for_image = new PointF((rect.Width - pic.Width)/2F,(rect.Height - pic.Height)/2F);<br />
			g.DrawImage(pic,top_left_point_of_centered_spot_for_image);<br />
		}<br />
<br />
		/// <summary><br />
		/// Draws text at the center bottom of a rectangle<br />
		/// </summary><br />
		/// <param name="g">e.Graphics</param><br />
		/// <param name="rect">rectangle to center image in</param><br />
		/// <param name="text">message to write</param><br />
		private void DrawTextInRectangle(Graphics g, Rectangle rect, string text)<br />
		{<br />
			if(text == "")<br />
				return;<br />
<br />
			SizeF word_size = g.MeasureString(text, this.Font, 32768, StringFormat.GenericTypographic);<br />
			<br />
			PointF top_left_point_of_centered_at_bottom_text = new PointF(rect.Left + (rect.Width - word_size.Width)/2F, rect.Bottom - (rect.Width - word_size.Height));<br />
<br />
			using(SolidBrush sb = new SolidBrush(Color.Orange))<br />
			{<br />
				g.DrawString(text, this.Font, sb, top_left_point_of_centered_at_bottom_text,StringFormat.GenericTypographic);<br />
			}<br />
		}<br />
<br />
		/// <summary><br />
		/// Draws a gradient coloring onto a rectangle<br />
		/// </summary><br />
		/// <param name="g">e.Graphics</param><br />
		/// <param name="rect">rectangle to draw on</param><br />
		/// <param name="GradientA"></param><br />
		/// <param name="GradientB"></param><br />
		/// <param name="GradientMode"></param><br />
		private void DrawGradientOnARectangle(Graphics g, Rectangle rect, Color GradientA, Color GradientB, LinearGradientMode GradientMode)<br />
		{<br />
			using(LinearGradientBrush lgb = new LinearGradientBrush(rect,GradientA,GradientB,GradientMode))<br />
			{<br />
				g.FillRectangle(lgb, rect);<br />
			}<br />
		}<br />
<br />
		#endregion<br />
	}<br />
}