// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Copyright (c) 2004 Novell, Inc.
//
// Authors:
//	Jordi Mas i Hernandez, jordi@ximian.com
//	Peter Bartok, pbartok@novell.com
//
//
//
// $Revision: 1.1 $
// $Modtime: $
// $Log: ThemeWin32Classic.cs,v $
// Revision 1.1  2004/07/26 17:42:03  jordi
// Theme support
//
//

using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;

namespace System.Windows.Forms
{
	internal class ThemeWin32Classic : ITheme
	{
		// TODO: Use System.Colors instead when possible
		static private Color light = Color.FromArgb (255, 255, 255, 255);
		static private Color disabled = Color.FromArgb (255, 172, 168, 153);
		static private Color dark = Color.FromArgb (255, 113, 111, 100);
		static private Color main = Color.FromArgb (255, 236, 233, 216);
		static private Color focus = Color.Black;
		static private SolidBrush br_light = new SolidBrush (light);
		static private SolidBrush br_main = new SolidBrush (main);
		static private SolidBrush br_dark = new SolidBrush (dark);
		static private Pen pen_light = new Pen (light);
		static private Pen pen_dark = new Pen (dark);
		static private Pen pen_ticks = new Pen (Color.Black);
		static private Pen pen_disabled = new Pen (disabled);
		static private SolidBrush br_arrow = new SolidBrush (Color.Black);
		static private SolidBrush br_disabled = new SolidBrush (disabled);
		static private HatchBrush br_focus = new HatchBrush (HatchStyle.Percent50, main, focus);
		static private Color shadow = Color.FromArgb (255, 172, 168, 153);

		/* ScrollBar control */
		static private Color lighttop = Color.FromArgb (255, 241, 239, 226);
		static private SolidBrush br_shadow = new SolidBrush (shadow);
		static private SolidBrush br_bar = new SolidBrush (Color.FromArgb (255, 49, 106, 197));
		static private Pen pen_shadow = new Pen (shadow);
		static private HatchBrush br_backgr = new HatchBrush (HatchStyle.Percent50, light, main);
		static private SolidBrush br_lighttop = new SolidBrush (lighttop);
		static private Pen pen_arrow = new Pen (Color.Black);


		private enum DrawFrameControlStates
		{
			ButtonCheck		= 0x0000,
			ButtonRadioImage	= 0x0001,
			ButtonRadioMask		= 0x0002,
			ButtonRadio		= 0x0004,
			Button3State		= 0x0008,
			ButtonPush		= 0x0010,

			CaptionClose		= 0x0000,
			CaptionMin		= 0x0001,
			CaptionMax		= 0x0002,
			CaptionRestore		= 0x0004,
			CaptionHelp		= 0x0008,

			MenuArrow		= 0x0000,
			MenuCheck		= 0x0001,
			MenuBullet		= 0x0002,
			MenuArrowRight		= 0x0004,

			ScrollUp		= 0x0000,
			ScrollDown		= 0x0001,
			ScrollLeft		= 0x0002,
			ScrollRight		= 0x0003,
			ScrollComboBox		= 0x0005,
			ScrollSizeGrip		= 0x0008,
			ScrollSizeGripRight	= 0x0010,

			Inactive		= 0x0100,
			Pushed			= 0x0200,
			Checked			= 0x0400,
			Transparent		= 0x0800,
			Hot			= 0x1000,
			AdjustRect		= 0x2000,
			Flat			= 0x4000,
			Mono			= 0x8000

		}

		private enum DrawFrameControlTypes
		{
			Caption	= 1,
			Menu	= 2,
			Scroll	= 3,
			Button	= 4
		}

		/*
			Methods that mimic ControlPaint signature and draw basic objects
		*/

		public void DrawBorder (Graphics graphics, Rectangle bounds, Color leftColor, int leftWidth,
			ButtonBorderStyle leftStyle, Color topColor, int topWidth, ButtonBorderStyle topStyle,
			Color rightColor, int rightWidth, ButtonBorderStyle rightStyle, Color bottomColor,
			int bottomWidth, ButtonBorderStyle bottomStyle)
		{
			DrawBorderInternal(graphics, bounds.Left, bounds.Top, bounds.Left, bounds.Bottom-1, leftWidth, leftColor, leftStyle, Border3DSide.Left);
			DrawBorderInternal(graphics, bounds.Left, bounds.Top, bounds.Right-1, bounds.Top, topWidth, topColor, topStyle, Border3DSide.Top);
			DrawBorderInternal(graphics, bounds.Right-1, bounds.Top, bounds.Right-1, bounds.Bottom-1, rightWidth, rightColor, rightStyle, Border3DSide.Right);
			DrawBorderInternal(graphics, bounds.Left, bounds.Bottom-1, bounds.Right-1, bounds.Bottom-1, bottomWidth, bottomColor, bottomStyle, Border3DSide.Bottom);
		}

		public void DrawBorder3D (Graphics graphics, Rectangle rectangle, Border3DStyle style, Border3DSide sides)
		{
			Pen			penTopLeft;
			Pen			penTopLeftInner;
			Pen			penBottomRight;
			Pen			penBottomRightInner;
			Rectangle	rect= new Rectangle(rectangle.X, rectangle.Y, rectangle.Width, rectangle.Height);
			bool			doInner = false;

			if ((style & Border3DStyle.Adjust)!=0) {
				rect.Y-=2;
				rect.X-=2;
				rect.Width+=4;
				rect.Height+=4;
			}

			/* default to flat */
			penTopLeft=SystemPens.ControlDark;
			penTopLeftInner=SystemPens.ControlDark;
			penBottomRight=SystemPens.ControlDark;
			penBottomRightInner=SystemPens.ControlDark;

			if ((style & Border3DStyle.RaisedOuter)!=0) {
				penTopLeft=SystemPens.ControlLightLight;
				penBottomRight=SystemPens.ControlDarkDark;
				if ((style & (Border3DStyle.RaisedInner | Border3DStyle.SunkenInner))!=0) {
					doInner=true;
				}
			} else if ((style & Border3DStyle.SunkenOuter)!=0) {
				penTopLeft=SystemPens.ControlDarkDark;
				penBottomRight=SystemPens.ControlLightLight;
				if ((style & (Border3DStyle.RaisedInner | Border3DStyle.SunkenInner))!=0) {
					doInner=true;
				}
			}

			if ((style & Border3DStyle.RaisedInner)!=0) {
				if (doInner) {
					penTopLeftInner=SystemPens.ControlLight;
					penBottomRightInner=SystemPens.ControlDark;
				} else {
					penTopLeft=SystemPens.ControlLightLight;
					penBottomRight=SystemPens.ControlDarkDark;
				}
			} else if ((style & Border3DStyle.SunkenInner)!=0) {
				if (doInner) {
					penTopLeftInner=SystemPens.ControlDark;
					penBottomRightInner=SystemPens.ControlLight;
				} else {
					penTopLeft=SystemPens.ControlDarkDark;
					penBottomRight=SystemPens.ControlLightLight;
				}
			}

			if ((sides & Border3DSide.Middle)!=0) {
				graphics.FillRectangle(SystemBrushes.Control, rect);
			}

			if ((sides & Border3DSide.Left)!=0) {
				graphics.DrawLine(penTopLeft, rect.Left, rect.Bottom-1, rect.Left, rect.Top);
				if (doInner) {
					graphics.DrawLine(penTopLeftInner, rect.Left+1, rect.Bottom-1, rect.Left+1, rect.Top);
				}
			}

			if ((sides & Border3DSide.Top)!=0) {
				graphics.DrawLine(penTopLeft, rect.Left, rect.Top, rect.Right-1, rect.Top);

				if (doInner) {
					if ((sides & Border3DSide.Left)!=0) {
						graphics.DrawLine(penTopLeftInner, rect.Left+1, rect.Top+1, rect.Right-1, rect.Top+1);
					} else {
						graphics.DrawLine(penTopLeftInner, rect.Left, rect.Top+1, rect.Right-1, rect.Top+1);
					}
				}
			}

			if ((sides & Border3DSide.Right)!=0) {
				graphics.DrawLine(penBottomRight, rect.Right-1, rect.Top, rect.Right-1, rect.Bottom-1);

				if (doInner) {
					if ((sides & Border3DSide.Top)!=0) {
						graphics.DrawLine(penBottomRightInner, rect.Right-2, rect.Top+1, rect.Right-2, rect.Bottom-1);
					} else {
						graphics.DrawLine(penBottomRightInner, rect.Right-2, rect.Top, rect.Right-2, rect.Bottom-1);
					}
				}
			}

			if ((sides & Border3DSide.Bottom)!=0) {
				int	left=rect.Left;

				if ((sides & Border3DSide.Left)!=0) {
					left+=1;
				}

				graphics.DrawLine(penBottomRight, rect.Left, rect.Bottom-1, rect.Right-1, rect.Bottom-1);

				if (doInner) {
					if ((sides & Border3DSide.Right)!=0) {
						graphics.DrawLine(penBottomRightInner, left, rect.Bottom-2, rect.Right-2, rect.Bottom-2);
					} else {
						graphics.DrawLine(penBottomRightInner, left, rect.Bottom-2, rect.Right-1, rect.Bottom-2);
					}
				}
			}

		}


		public void DrawButton (Graphics graphics, Rectangle rectangle, ButtonState state)
		{
			DrawFrameControlStates	dfcs=DrawFrameControlStates.ButtonPush;

			if ((state & ButtonState.Pushed)!=0) {
				dfcs |= DrawFrameControlStates.Pushed;
			}

			if ((state & ButtonState.Checked)!=0) {
				dfcs |= DrawFrameControlStates.Checked;
			}

			if ((state & ButtonState.Flat)!=0) {
				dfcs |= DrawFrameControlStates.Flat;
			}

			if ((state & ButtonState.Inactive)!=0) {
				dfcs |= DrawFrameControlStates.Inactive;
			}
			DrawFrameControl(graphics, rectangle, DrawFrameControlTypes.Button, dfcs);
		}


		public void DrawCaptionButton (Graphics graphics, Rectangle rectangle, CaptionButton button, ButtonState state)
		{
			Rectangle	captionRect;
			int			lineWidth;

			DrawButton(graphics, rectangle, state);

			if (rectangle.Width<rectangle.Height) {
				captionRect=new Rectangle(rectangle.X+1, rectangle.Y+rectangle.Height/2-rectangle.Width/2+1, rectangle.Width-4, rectangle.Width-4);
			} else {
				captionRect=new Rectangle(rectangle.X+rectangle.Width/2-rectangle.Height/2+1, rectangle.Y+1, rectangle.Height-4, rectangle.Height-4);
			}

			if ((state & ButtonState.Pushed)!=0) {
				captionRect=new Rectangle(rectangle.X+2, rectangle.Y+2, rectangle.Width-3, rectangle.Height-3);
			}

			/* Make sure we've got at least a line width of 1 */
			lineWidth=Math.Max(1, captionRect.Width/7);

			switch(button) {
				case CaptionButton.Close: {
					Pen	pen;

					if ((state & ButtonState.Inactive)!=0) {
						pen=new Pen(SystemColors.ControlLightLight, lineWidth);
						DrawCaptionHelper(graphics, SystemColors.ControlLightLight, pen, lineWidth, 1, captionRect, button);
						pen.Dispose();

						pen=new Pen(SystemColors.ControlDark, lineWidth);
						DrawCaptionHelper(graphics, SystemColors.ControlDark, pen, lineWidth, 0, captionRect, button);
						pen.Dispose();
						return;
					} else {
						pen=new Pen(SystemColors.ControlText, lineWidth);
						DrawCaptionHelper(graphics, SystemColors.ControlText, pen, lineWidth, 0, captionRect, button);
						pen.Dispose();
						return;
					}
				}

				case CaptionButton.Help:
				case CaptionButton.Maximize:
				case CaptionButton.Minimize:
				case CaptionButton.Restore: {
					if ((state & ButtonState.Inactive)!=0) {
						DrawCaptionHelper(graphics, SystemColors.ControlLightLight, SystemPens.ControlLightLight, lineWidth, 1, captionRect, button);

						DrawCaptionHelper(graphics, SystemColors.ControlDark, SystemPens.ControlDark, lineWidth, 0, captionRect, button);
						return;
					} else {
						DrawCaptionHelper(graphics, SystemColors.ControlText, SystemPens.ControlText, lineWidth, 0, captionRect, button);
						return;
					}
				}
			}
		}


		public void DrawCheckBox (Graphics graphics, Rectangle rectangle, ButtonState state)
		{
			DrawFrameControlStates	dfcs=DrawFrameControlStates.ButtonCheck;

			if ((state & ButtonState.Pushed)!=0) {
				dfcs |= DrawFrameControlStates.Pushed;
			}

			if ((state & ButtonState.Checked)!=0) {
				dfcs |= DrawFrameControlStates.Checked;
			}

			if ((state & ButtonState.Flat)!=0) {
				dfcs |= DrawFrameControlStates.Flat;
			}

			if ((state & ButtonState.Inactive)!=0) {
				dfcs |= DrawFrameControlStates.Inactive;
			}

			DrawFrameControl(graphics, rectangle, DrawFrameControlTypes.Button, dfcs);

		}

		public void DrawComboButton (Graphics graphics, Rectangle rectangle, ButtonState state)
		{
			Point[]			arrow = new Point[3];
			Point				P1;
			Point				P2;
			Point				P3;
			int				centerX;
			int				centerY;
			int				shiftX;
			int				shiftY;
			Rectangle		rect;

			if ((state & ButtonState.Checked)!=0) {
				HatchBrush	hatchBrush=new HatchBrush(HatchStyle.Percent50, SystemColors.ControlLight, SystemColors.ControlLightLight);
				graphics.FillRectangle(hatchBrush,rectangle);
				hatchBrush.Dispose();
			}

			if ((state & ButtonState.Flat)!=0) {
				ControlPaint.DrawBorder(graphics, rectangle, SystemColors.ControlDark, ButtonBorderStyle.Solid);
			} else {
				if ((state & (ButtonState.Pushed | ButtonState.Checked))!=0) {
					DrawBorder3D(graphics, rectangle, Border3DStyle.Sunken, Border3DSide.Left | Border3DSide.Top | Border3DSide.Right | Border3DSide.Bottom);
				} else {
					DrawBorder3D(graphics, rectangle, Border3DStyle.Raised, Border3DSide.Left | Border3DSide.Top | Border3DSide.Right | Border3DSide.Bottom);
				}
			}

			rect=new Rectangle(rectangle.X+rectangle.Width/4, rectangle.Y+rectangle.Height/4, rectangle.Width/2, rectangle.Height/2);
			centerX=rect.Left+rect.Width/2;
			centerY=rect.Top+rect.Height/2;
			shiftX=Math.Max(1, rect.Width/8);
			shiftY=Math.Max(1, rect.Height/8);

			if ((state & ButtonState.Pushed)!=0) {
				shiftX++;
				shiftY++;
			}

			rect.Y-=shiftY;
			centerY-=shiftY;
			P1=new Point(rect.Left, centerY);
			P2=new Point(rect.Right, centerY);
			P3=new Point(centerX, rect.Bottom);

			arrow[0]=P1;
			arrow[1]=P2;
			arrow[2]=P3;

			/* Draw the arrow */
			if ((state & ButtonState.Inactive)!=0) {
				graphics.FillPolygon(SystemBrushes.ControlLightLight, arrow, FillMode.Winding);

				/* Move away from the shadow */
				P1.X-=1;		P1.Y-=1;
				P2.X-=1;		P2.Y-=1;
				P3.X-=1;		P3.Y-=1;

				arrow[0]=P1;
				arrow[1]=P2;
				arrow[2]=P3;


				graphics.FillPolygon(SystemBrushes.ControlDark, arrow, FillMode.Winding);
			} else {
				graphics.FillPolygon(SystemBrushes.ControlText, arrow, FillMode.Winding);
			}
		}


		public void DrawContainerGrabHandle (Graphics graphics, Rectangle bounds)
		{
			SolidBrush	sb		= new SolidBrush(Color.White);
			Pen			pen	= new Pen(Color.Black, 1);
			Rectangle	rect	= new Rectangle(bounds.X, bounds.Y, bounds.Width-1, bounds.Height-1);	// Dunno why, but MS does it that way, too
			int			X;
			int			Y;

			graphics.FillRectangle(sb, rect);
			graphics.DrawRectangle(pen, rect);

			X=rect.X+rect.Width/2;
			Y=rect.Y+rect.Height/2;

			/* Draw the cross */
			graphics.DrawLine(pen, X, rect.Y+2, X, rect.Bottom-2);
			graphics.DrawLine(pen, rect.X+2, Y, rect.Right-2, Y);

			/* Draw 'arrows' for vertical lines */
			graphics.DrawLine(pen, X-1, rect.Y+3, X+1, rect.Y+3);
			graphics.DrawLine(pen, X-1, rect.Bottom-3, X+1, rect.Bottom-3);

			/* Draw 'arrows' for horizontal lines */
			graphics.DrawLine(pen, rect.X+3, Y-1, rect.X+3, Y+1);
			graphics.DrawLine(pen, rect.Right-3, Y-1, rect.Right-3, Y+1);

		}


		public void DrawFocusRectangle (Graphics graphics, Rectangle rectangle, Color foreColor, Color backColor)
		{
			//Color			colorForeInverted;
			Color			colorBackInverted;
			Pen			pen;

			//colorForeInverted=Color.FromArgb(Math.Abs(foreColor.R-255), Math.Abs(foreColor.G-255), Math.Abs(foreColor.B-255));
			//pen=new Pen(colorForeInverted, 1);
			// MS seems to always use black
			pen=new Pen(Color.Black, 1);
			graphics.DrawRectangle(pen, rectangle);
			pen.Dispose();

			colorBackInverted=Color.FromArgb(Math.Abs(backColor.R-255), Math.Abs(backColor.G-255), Math.Abs(backColor.B-255));
			pen=new Pen(colorBackInverted, 1);
			pen.DashStyle=DashStyle.Dot;
			graphics.DrawRectangle(pen, rectangle);
			pen.Dispose();
		}


		public void DrawGrabHandle (Graphics graphics, Rectangle rectangle, bool primary, bool enabled)
		{
			SolidBrush	sb;
			Pen			pen;

			if (primary==true) {
				pen=new Pen(Color.Black, 1);
				if (enabled==true) {
					sb=new SolidBrush(Color.White);
				} else {
					sb=new SolidBrush(SystemColors.Control);
				}
			} else {
				pen=new Pen(Color.White, 1);
				if (enabled==true) {
					sb=new SolidBrush(Color.Black);
				} else {
					sb=new SolidBrush(SystemColors.Control);
				}
			}
			graphics.FillRectangle(sb, rectangle);
			graphics.DrawRectangle(pen, rectangle);
			sb.Dispose();
			pen.Dispose();
		}


		public void DrawGrid (Graphics graphics, Rectangle area, Size pixelsBetweenDots, Color backColor)
		{
			Color	foreColor;
			int	h;
			int	b;
			int	s;

			ControlPaint.Color2HBS(backColor, out h, out b, out s);

			if (b>127) {
				foreColor=Color.Black;
			} else {
				foreColor=Color.White;
			}

#if false
			/* Commented out until I take the time and figure out
				which HatchStyle will match requirements. The code below
				is only correct for Percent50.
			*/
			if (pixelsBetweenDots.Width==pixelsBetweenDots.Height) {
				HatchBrush	brush=null;

				switch(pixelsBetweenDots.Width) {
					case 2: brush=new HatchBrush(HatchStyle.Percent50, foreColor, backColor); break;
					case 4: brush=new HatchBrush(HatchStyle.Percent25, foreColor, backColor); break;
					case 5: brush=new HatchBrush(HatchStyle.Percent20, foreColor, backColor); break;
					default: {
						/* Have to do it the slow way */
						break;
					}
				}
				if (brush!=null) {
					graphics.FillRectangle(brush, area);
					pen.Dispose();
					brush.Dispose();
					return;
				}
			}
#endif
			/* Slow method */

			Bitmap bitmap = new Bitmap(area.Width, area.Height, graphics);

			for (int x=0; x<area.Width; x+=pixelsBetweenDots.Width) {
				for (int y=0; y<area.Height; y+=pixelsBetweenDots.Height) {
					bitmap.SetPixel(x, y, foreColor);
				}
			}
			graphics.DrawImage(bitmap, area.X, area.Y, area.Width, area.Height);
			bitmap.Dispose();
		}

		public void DrawImageDisabled (Graphics graphics, Image image, int x, int y, Color background)
		{
			/*
				Microsoft seems to ignore the background and simply make
				the image grayscale. At least when having > 256 colors on
				the display.
			*/

			ImageAttributes	imageAttributes=new ImageAttributes();
			ColorMatrix			colorMatrix=new ColorMatrix(new float[][] {
// This table would create a perfect grayscale image, based on luminance
//				new float[]{0.3f,0.3f,0.3f,0,0},
//				new float[]{0.59f,0.59f,0.59f,0,0},
//				new float[]{0.11f,0.11f,0.11f,0,0},
//				new float[]{0,0,0,1,0,0},
//				new float[]{0,0,0,0,1,0},
//				new float[]{0,0,0,0,0,1}

// This table generates a image that is grayscaled and then
// brightened up. Seems to match MS close enough.
				new float[]{0.2f,0.2f,0.2f,0,0},
				new float[]{0.41f,0.41f,0.41f,0,0},
				new float[]{0.11f,0.11f,0.11f,0,0},
				new float[]{0.15f,0.15f,0.15f,1,0,0},
				new float[]{0.15f,0.15f,0.15f,0,1,0},
				new float[]{0.15f,0.15f,0.15f,0,0,1}
			});

			imageAttributes.SetColorMatrix(colorMatrix);
			graphics.DrawImage(image, new Rectangle(x, y, image.Width, image.Height), 0, 0, image.Width, image.Height, GraphicsUnit.Pixel, imageAttributes);
			imageAttributes.Dispose();
		}


		public void DrawLockedFrame (Graphics graphics, Rectangle rectangle, bool primary)
		{
			Pen	penBorder;
			Pen	penInside;

			if (primary) {
				penBorder=new Pen(Color.White, 2);
				penInside=new Pen(Color.Black, 1);
			} else {
				penBorder=new Pen(Color.Black, 2);
				penInside=new Pen(Color.White, 1);
			}
			penBorder.Alignment=PenAlignment.Inset;
			penInside.Alignment=PenAlignment.Inset;

			graphics.DrawRectangle(penBorder, rectangle);
			graphics.DrawRectangle(penInside, rectangle.X+2, rectangle.Y+2, rectangle.Width-5, rectangle.Height-5);
			penBorder.Dispose();
			penInside.Dispose();
		}


		public void DrawMenuGlyph (Graphics graphics, Rectangle rectangle, MenuGlyph glyph)
		{
			Rectangle	rect;
			int			lineWidth;

			// MS seems to draw the background white
			graphics.FillRectangle(new SolidBrush(Color.White), rectangle);

			switch(glyph) {
				case MenuGlyph.Arrow: {
					Point[]			arrow = new Point[3];
					Point				P1;
					Point				P2;
					Point				P3;
					int				centerX;
					int				centerY;
					int				shiftX;
					int				shiftY;

					rect=new Rectangle(rectangle.X+rectangle.Width/4, rectangle.Y+rectangle.Height/4, rectangle.Width/2, rectangle.Height/2);
					centerX=rect.Left+rect.Width/2;
					centerY=rect.Top+rect.Height/2;
					shiftX=Math.Max(1, rect.Width/8);
					shiftY=Math.Max(1, rect.Height/8);

					rect.X-=shiftX;
					centerX-=shiftX;

					P1=new Point(centerX, rect.Top-1);
					P2=new Point(centerX, rect.Bottom);
					P3=new Point(rect.Right, centerY);

					arrow[0]=P1;
					arrow[1]=P2;
					arrow[2]=P3;

					graphics.FillPolygon(SystemBrushes.ControlText, arrow, FillMode.Winding);

					return;
				}

				case MenuGlyph.Bullet: {
					SolidBrush	sb;

					lineWidth=Math.Max(2, rectangle.Width/3);
					rect=new Rectangle(rectangle.X+lineWidth, rectangle.Y+lineWidth, rectangle.Width-lineWidth*2, rectangle.Height-lineWidth*2);

					sb=new SolidBrush(SystemColors.MenuText);
					graphics.FillEllipse(sb, rect);
					sb.Dispose();
					return;
				}

				case MenuGlyph.Checkmark: {
					int			Scale;

					lineWidth=Math.Max(2, rectangle.Width/6);
					Scale=Math.Max(1, rectangle.Width/12);

					rect=new Rectangle(rectangle.X+lineWidth, rectangle.Y+lineWidth, rectangle.Width-lineWidth*2, rectangle.Height-lineWidth*2);

					for (int i=0; i<lineWidth; i++) {
						graphics.DrawLine(SystemPens.MenuText, rect.Left+lineWidth/2, rect.Top+lineWidth+i, rect.Left+lineWidth/2+2*Scale, rect.Top+lineWidth+2*Scale+i);
						graphics.DrawLine(SystemPens.MenuText, rect.Left+lineWidth/2+2*Scale, rect.Top+lineWidth+2*Scale+i, rect.Left+lineWidth/2+6*Scale, rect.Top+lineWidth-2*Scale+i);
					}
					return;
				}
			}

		}

		public void DrawRadioButton (Graphics graphics, Rectangle rectangle, ButtonState state)
		{
			DrawFrameControlStates	dfcs=DrawFrameControlStates.ButtonRadio;

			if ((state & ButtonState.Pushed)!=0) {
				dfcs |= DrawFrameControlStates.Pushed;
			}

			if ((state & ButtonState.Checked)!=0) {
				dfcs |= DrawFrameControlStates.Checked;
			}

			if ((state & ButtonState.Flat)!=0) {
				dfcs |= DrawFrameControlStates.Flat;
			}

			if ((state & ButtonState.Inactive)!=0) {
				dfcs |= DrawFrameControlStates.Inactive;
			}
			DrawFrameControl(graphics, rectangle, DrawFrameControlTypes.Button, dfcs);

		}


		public void DrawReversibleFrame (Rectangle rectangle, Color backColor, FrameStyle style)
		{

		}


		public void DrawReversibleLine (Point start, Point end, Color backColor)
		{

		}


		/* Scroll button: regular button + direction arrow */
		public void DrawScrollButton (Graphics dc, Rectangle area, ScrollButton type, ButtonState state)
		{
			bool enabled = (state == ButtonState.Inactive) ? false: true;
			DrawScroolButtonPrimitive (dc, area, state);

			/* Paint arrows */
			switch (type) {
			case ScrollButton.Up:
			{
				int x = area.X +  (area.Width / 2) - 4;
				int y = area.Y + 9;

				for (int i = 0; i < 3; i++)
					if (enabled)
						dc.DrawLine (pen_arrow, x + i, y - i, x + i + 6 - 2*i, y - i);
					else
						dc.DrawLine (pen_disabled, x + i, y - i, x + i + 6 - 2*i, y - i);

				if (enabled)
					dc.FillRectangle (br_arrow, x + 3, area.Y + 6, 1, 1);
				else
					dc.FillRectangle (br_disabled, x + 3, area.Y + 6, 1, 1);

				break;
			}
			case ScrollButton.Down:
			{
				int x = area.X +  (area.Width / 2) - 4;
				int y = area.Y + 5;

				for (int i = 4; i != 0; i--)
					if (enabled)
						dc.DrawLine (pen_arrow, x + i, y + i, x + i + 8 - 2*i, y + i);
					else
						dc.DrawLine (pen_disabled, x + i, y + i, x + i + 8 - 2*i, y + i);

				if (enabled)
					dc.FillRectangle (br_arrow, x + 4, y + 4, 1, 1);
				else
					dc.FillRectangle (br_disabled, x + 4, y + 4, 1, 1);

				break;
			}

			case ScrollButton.Left:
			{
				int y = area.Y +  (area.Height / 2) - 4;
				int x = area.X + 9;

				for (int i = 0; i < 3; i++)
					if (enabled)
						dc.DrawLine (pen_arrow, x - i, y + i, x - i, y + i + 6 - 2*i);
					else
						dc.DrawLine (pen_disabled, x - i, y + i, x - i, y + i + 6 - 2*i);

				if (enabled)
					dc.FillRectangle (br_arrow, x - 3, y + 3, 1, 1);
				else
					dc.FillRectangle (br_disabled, x - 3, y + 3, 1, 1);

				break;
			}

			case ScrollButton.Right:
			{
				int y = area.Y +  (area.Height / 2) - 4;
				int x = area.X + 5;

				for (int i = 4; i != 0; i--)
					if (enabled)
						dc.DrawLine (pen_arrow, x + i, y + i, x + i, y + i + 8 - 2*i);
					else
						dc.DrawLine (pen_disabled, x + i, y + i, x + i, y + i + 8 - 2*i);

				if (enabled)
					dc.FillRectangle (br_arrow, x + 4, y + 4, 1, 1);
				else
					dc.FillRectangle (br_disabled, x + 3, y + 3, 1, 1);

				break;
			}

			default:
				break;

			}
		}


		public void DrawSelectionFrame (Graphics graphics, bool active, Rectangle outsideRect, Rectangle insideRect,
			Color backColor)
		{

		}


		public void DrawSizeGrip (Graphics graphics, Color backColor, Rectangle bounds)
		{

		}


		public void DrawStringDisabled (Graphics graphics, string s, Font font, Color color, RectangleF layoutRectangle,
			StringFormat format)
		{
			SolidBrush	brush;

			brush=new SolidBrush(ControlPaint.Light(color, 25));

			layoutRectangle.Offset(1.0f, 1.0f);
			graphics.DrawString(s, font, brush, layoutRectangle, format);

			brush.Color=ControlPaint.Dark(color, 35);
			layoutRectangle.Offset(-1.0f, -1.0f);
			graphics.DrawString(s, font, brush, layoutRectangle, format);

			brush.Dispose();
		}

		/*
			Methods that draw complex controls
		*/

		public void DrawScrollBar (Graphics dc, Rectangle area, Rectangle thumb_pos,
			ref Rectangle first_arrow_area, ref Rectangle second_arrow_area,
			ButtonState first_arrow, ButtonState second_arrow,
			ref int scrollbutton_width, ref int scrollbutton_height,
			bool enabled, bool vertical)
		{

			if (vertical) {
				scrollbutton_width = area.Width;

				first_arrow_area.X = first_arrow_area. Y = 0;
				first_arrow_area.Width = scrollbutton_width;
				first_arrow_area.Height = scrollbutton_height;

				second_arrow_area.X = 0;
				second_arrow_area.Y = area.Height - scrollbutton_height;
				second_arrow_area.Width = scrollbutton_width;
				second_arrow_area.Height = scrollbutton_height;

				/* Buttons */
				DrawScrollButton (dc, first_arrow_area, ScrollButton.Up, first_arrow);
				DrawScrollButton (dc, second_arrow_area, ScrollButton.Down, second_arrow);

				/* Background */
				dc.FillRectangle (br_backgr, 0,  scrollbutton_height, area.Width,
					area.Height - (scrollbutton_height * 2));

			}
			else {

				scrollbutton_height = area.Height;
				first_arrow_area.X = first_arrow_area. Y = 0;
				first_arrow_area.Width = scrollbutton_width;
				first_arrow_area.Height = scrollbutton_height;

				second_arrow_area.Y = 0;
				second_arrow_area.X = area.Width - scrollbutton_width;
				second_arrow_area.Width = scrollbutton_width;
				second_arrow_area.Height = scrollbutton_height;


				/* Buttons */
				DrawScrollButton (dc, first_arrow_area, ScrollButton.Left, first_arrow );
				DrawScrollButton (dc, second_arrow_area, ScrollButton.Right, second_arrow);

				/* Background */
				dc.FillRectangle (br_backgr, scrollbutton_width, 0, area.Width - (scrollbutton_width * 2),
				 	area.Height);
			}

			/* Thumbail */
			if (enabled)
				DrawScroolButtonPrimitive (dc, thumb_pos, ButtonState.Normal);

		}

		/*
			DrawTrackBar
		*/

		/* Vertical trackbar */
		internal void DrawTrackBar_Vertical (Graphics dc, Rectangle area, ref Rectangle thumb_pos,
			 ref Rectangle thumb_area, TickStyle style, int ticks, bool focused)
		{

			/* Background */
			dc.FillRectangle (br_main, area);

			if (focused)  {
				dc.FillRectangle (br_focus, area.X, area.Y, area.Width - 1, 1);
				dc.FillRectangle (br_focus, area.X, area.Y + area.Height - 1, area.Width - 1, 1);
				dc.FillRectangle (br_focus, area.X, area.Y, 1, area.Height - 1);
				dc.FillRectangle (br_focus, area.X + area.Width - 1, area.Y, 1, area.Height - 1);
			}

			int space_from_top = 8;
			int space_from_bottom = 7;
			int y = area.Y + space_from_top;
			y += space_from_bottom;
			int x = area.X;

			switch (style) {
			case TickStyle.BottomRight:
			case TickStyle.None:
				x += 10;
				break;
			case TickStyle.TopLeft:
				x += (area.Width / 2);
				break;
			case TickStyle.Both:
				x += 18;
				break;
			default:
				break;
			}


			thumb_area.X = area.X + 2;
			thumb_area.Y = area.Y + space_from_top;
			thumb_area.Height = area.Height - space_from_top - space_from_bottom;
			thumb_area.Width = 4;

			/* Draw channel */

			dc.FillRectangle (br_disabled, x, y,
				1, area.Height - (y - area.Y) - space_from_bottom);

			dc.FillRectangle (br_dark, x + 1, y,
				1, area.Height - (y - area.Y) - space_from_bottom);

			dc.FillRectangle (br_light, x + 3, y,
				1, area.Height - (y - area.Y) - space_from_bottom);

			/* Draw thumb fixed 10x22 size */
			thumb_pos.Width = 10;
			thumb_pos.Height = 22;

			switch (style) {
			case TickStyle.BottomRight:
			case TickStyle.None:
			{
				//Console.WriteLine ("TickStyle.BottomRight");
				thumb_pos.X = area.X + 2;
				dc.DrawLine (pen_light, thumb_pos.X, thumb_pos.Y + 10, thumb_pos.X, thumb_pos.Y);
				dc.DrawLine (pen_light, thumb_pos.X, thumb_pos.Y, thumb_pos.X +16, thumb_pos.Y);
				dc.DrawLine (pen_light, thumb_pos.X  + 16, thumb_pos.Y, thumb_pos.X + 16 + 4, thumb_pos.Y + 4);

				dc.DrawLine (pen_disabled, thumb_pos.X + 1, thumb_pos.Y + 9, thumb_pos.X +16, thumb_pos.Y  + 9);
				dc.DrawLine (pen_disabled, thumb_pos.X + 16, thumb_pos.Y  + 9, thumb_pos.X +16 + 4, thumb_pos.Y +9 - 4);

				dc.DrawLine (pen_dark, thumb_pos.X, thumb_pos.Y  + 10 , thumb_pos.X  +16, thumb_pos.Y+10);
				dc.DrawLine (pen_dark, thumb_pos.X + 16, thumb_pos.Y + 10, thumb_pos.X +16 + 5, thumb_pos.Y +10 - 5);

				dc.FillRectangle (br_main, thumb_pos.X + 1, thumb_pos.Y + 1, 14, 8);

				break;
			}
			case TickStyle.TopLeft:
			{
				thumb_pos.X = x - 10;

				dc.DrawLine (pen_light, thumb_pos.X + 4, thumb_pos.Y, thumb_pos.X  + 4 + 16, thumb_pos.Y);
				dc.DrawLine (pen_light, thumb_pos.X + 4, thumb_pos.Y, thumb_pos.X, thumb_pos.Y + 4);

				dc.DrawLine (pen_disabled, thumb_pos.X + 4, thumb_pos.Y  + 9, thumb_pos.X + 4 + 16, thumb_pos.Y + 9);
				dc.DrawLine (pen_disabled, thumb_pos.X + 4, thumb_pos.Y + 9, thumb_pos.X, thumb_pos.Y + 5);
				dc.DrawLine (pen_disabled, thumb_pos.X + 19, thumb_pos.Y + 9, thumb_pos.X + 19 , thumb_pos.Y + 9);

				dc.DrawLine (pen_dark, thumb_pos.X + 4, thumb_pos.Y + 10, thumb_pos.X + 4 + 16, thumb_pos.Y + 10);
				dc.DrawLine (pen_dark, thumb_pos.X + 4, thumb_pos.Y + 10, thumb_pos.X -1, thumb_pos.Y  + 5);
				dc.DrawLine (pen_dark, thumb_pos.X + 20, thumb_pos.Y, thumb_pos.X  + 20, thumb_pos.Y + 10);

				dc.FillRectangle (br_main, thumb_pos.X + 5, thumb_pos.Y + 1, 14, 8);
				break;
			}

			case TickStyle.Both:
			{
				thumb_pos.X = area.X + 10;
				dc.DrawLine (pen_light, thumb_pos.X, thumb_pos.Y, thumb_pos.X , thumb_pos.Y + 9);
				dc.DrawLine (pen_light, thumb_pos.X, thumb_pos.Y, thumb_pos.X + 20, thumb_pos.Y);

				dc.DrawLine (pen_disabled, thumb_pos.X + 1, thumb_pos.Y  + 9, thumb_pos.X  + 20, thumb_pos.Y + 9);
				dc.DrawLine (pen_disabled, thumb_pos.X  + 20, thumb_pos.Y + 1, thumb_pos.X  + 20, thumb_pos.Y + 8);

				dc.DrawLine (pen_dark, thumb_pos.X, thumb_pos.Y + 10, thumb_pos.X  + 21, thumb_pos.Y + 10);
				dc.DrawLine (pen_dark, thumb_pos.X + 21, thumb_pos.Y, thumb_pos.X + 21, thumb_pos.Y + 9);

				dc.FillRectangle (br_main, thumb_pos.X + 1, thumb_pos.Y + 1, 19, 8);

				break;
			}
			default:
				break;
			}

			/* Draw ticks*/
			if ((style & TickStyle.BottomRight) == TickStyle.BottomRight ||
				((style & TickStyle.Both) == TickStyle.Both)) {

				float pixel_len = thumb_area.Height - 10;
				float ticks_to_draw = pixel_len / ticks;

				if (ticks_to_draw < 0)
					ticks_to_draw = 1;

				for (int inc = 0; inc < pixel_len; inc += (int) ticks_to_draw){
					if (inc == 0 || (inc + (int) ticks_to_draw) >= pixel_len)
						dc.DrawLine (pen_ticks,  thumb_pos.X + 23, thumb_area.Y + space_from_bottom - 2 + inc,
							thumb_pos.X + 26, thumb_area.Y + space_from_bottom - 2 + inc);
					else
						dc.DrawLine (pen_ticks,  thumb_pos.X + 23, thumb_area.Y + space_from_bottom - 2 + inc,
							thumb_pos.X + 25, thumb_area.Y + space_from_bottom - 2 + inc);

				}
			}

			if ((style & TickStyle.TopLeft) == TickStyle.TopLeft ||
				((style & TickStyle.Both) == TickStyle.Both)) {

				float pixel_len = thumb_area.Height - 10;
				float ticks_to_draw = pixel_len / ticks;

				if (ticks_to_draw < 0)
					ticks_to_draw = 1;

				for (int inc = 0; inc < pixel_len; inc += (int) ticks_to_draw)
					if (inc == 0 || (inc + (int) ticks_to_draw) >= pixel_len)
						dc.DrawLine (pen_ticks, area.X + 4, thumb_area.Y + 5 + inc,  area.X + 8,  thumb_area.Y + 5 + inc);
					else
						dc.DrawLine (pen_ticks, area.X + 5, thumb_area.Y + 5 + inc,  area.X + 8,  thumb_area.Y + 5 + inc);
			}

		}

		/* Horizontal trackbar */
		static internal void DrawTrackBar_Horitonzal (Graphics dc, Rectangle area, ref Rectangle thumb_pos,
			 ref Rectangle thumb_area, TickStyle style, int ticks, bool focused)
		{
			/* Background */
			dc.FillRectangle (br_main, area);

			if (focused)  {
				dc.FillRectangle (br_focus, area.X, area.Y, area.Width - 1, 1);
				dc.FillRectangle (br_focus, area.X, area.Y + area.Height - 1, area.Width - 1, 1);
				dc.FillRectangle (br_focus, area.X, area.Y, 1, area.Height - 1);
				dc.FillRectangle (br_focus, area.X + area.Width - 1, area.Y, 1, area.Height - 1);
			}

			int space_from_right = 8;
			int space_from_left = 7;
			int x = space_from_left;
			int y = area.Y;

			switch (style) {
			case TickStyle.BottomRight:
			case TickStyle.None:
				y += (area.Height / 4);
				break;
			case TickStyle.TopLeft:
				y += (area.Height / 2);
				break;
			case TickStyle.Both:
				y += 18;
				break;
			default:
				break;
			}

			thumb_area.X = area.X + space_from_left;
			thumb_area.Y = area.Y + 2;
			thumb_area.Width = area.Width - space_from_right - space_from_left;
			thumb_area.Height = 4;

			/* Draw channel */
			dc.FillRectangle (br_disabled, x, y,
				area.Width - (x - area.X) - space_from_right, 1);

			dc.FillRectangle (br_dark, x, y + 1,
				area.Width - (x - area.X) - space_from_right, 1);

			dc.FillRectangle (br_light, x, y + 3,
				area.Width - (x - area.X) - space_from_right, 1);


			/* Draw thumb fixed 10x22 size */
			thumb_pos.Width = 10;
			thumb_pos.Height = 22;

			switch (style) {
			case TickStyle.BottomRight:
			case TickStyle.None:
			{
				thumb_pos.Y = area.Y + 2;
				dc.DrawLine (pen_light, thumb_pos.X, thumb_pos.Y, thumb_pos.X + 10, thumb_pos.Y);
				dc.DrawLine (pen_light, thumb_pos.X, thumb_pos.Y, thumb_pos.X, thumb_pos.Y + 16);
				dc.DrawLine (pen_light, thumb_pos.X, thumb_pos.Y + 16, thumb_pos.X + 4, thumb_pos.Y + 16 + 4);

				dc.DrawLine (pen_disabled, thumb_pos.X + 9, thumb_pos.Y, thumb_pos.X +9, thumb_pos.Y +16);
				dc.DrawLine (pen_disabled, thumb_pos.X + 9, thumb_pos.Y + 16, thumb_pos.X +9 - 4, thumb_pos.Y +16 + 4);

				dc.DrawLine (pen_dark, thumb_pos.X + 10, thumb_pos.Y, thumb_pos.X +10, thumb_pos.Y +16);
				dc.DrawLine (pen_dark, thumb_pos.X + 10, thumb_pos.Y + 16, thumb_pos.X +10 - 5, thumb_pos.Y +16 + 5);

				dc.FillRectangle (br_main, thumb_pos.X + 1, thumb_pos.Y + 1, 9, 16);

				break;
			}
			case TickStyle.TopLeft:
			{
				thumb_pos.Y = y - 10;

				dc.DrawLine (pen_light, thumb_pos.X, thumb_pos.Y + 4, thumb_pos.X, thumb_pos.Y + 4 + 16);
				dc.DrawLine (pen_light, thumb_pos.X, thumb_pos.Y + 4, thumb_pos.X + 4, thumb_pos.Y);

				dc.DrawLine (pen_disabled, thumb_pos.X + 9, thumb_pos.Y + 4, thumb_pos.X + 9, thumb_pos.Y + 4 + 16);
				dc.DrawLine (pen_disabled, thumb_pos.X + 9, thumb_pos.Y + 4, thumb_pos.X + 5, thumb_pos.Y);
				dc.DrawLine (pen_disabled, thumb_pos.X + 9, thumb_pos.Y + 19, thumb_pos.X + 1 , thumb_pos.Y +19);

				dc.DrawLine (pen_dark, thumb_pos.X + 10, thumb_pos.Y + 4, thumb_pos.X + 10, thumb_pos.Y + 4 + 16);
				dc.DrawLine (pen_dark, thumb_pos.X + 10, thumb_pos.Y + 4, thumb_pos.X + 5, thumb_pos.Y -1);
				dc.DrawLine (pen_dark, thumb_pos.X, thumb_pos.Y + 20, thumb_pos.X + 10, thumb_pos.Y + 20);

				dc.FillRectangle (br_main, thumb_pos.X + 1, thumb_pos.Y + 5, 8, 14);

				break;
			}

			case TickStyle.Both:
			{
				thumb_pos.Y = area.Y + 10;
				dc.DrawLine (pen_light, thumb_pos.X, thumb_pos.Y, thumb_pos.X + 9, thumb_pos.Y);
				dc.DrawLine (pen_light, thumb_pos.X, thumb_pos.Y, thumb_pos.X, thumb_pos.Y + 20);

				dc.DrawLine (pen_disabled, thumb_pos.X + 9, thumb_pos.Y + 1, thumb_pos.X + 9, thumb_pos.Y + 20);
				dc.DrawLine (pen_disabled, thumb_pos.X + 1, thumb_pos.Y + 20, thumb_pos.X + 8, thumb_pos.Y + 20);

				dc.DrawLine (pen_dark, thumb_pos.X + 10, thumb_pos.Y, thumb_pos.X +10, thumb_pos.Y + 21);
				dc.DrawLine (pen_dark, thumb_pos.X, thumb_pos.Y + 21, thumb_pos.X + 9, thumb_pos.Y + 21);

				dc.FillRectangle (br_main, thumb_pos.X + 1, thumb_pos.Y + 1, 8, 19);

				break;
			}

			default:
				break;
			}

			/* Draw ticks*/
			if ((style & TickStyle.BottomRight) == TickStyle.BottomRight ||
				((style & TickStyle.Both) == TickStyle.Both)) {

				float pixel_len = thumb_area.Width - 10;
				float ticks_to_draw = pixel_len / ticks;

				if (ticks_to_draw < 0)
					ticks_to_draw = 1;

				for (int inc = 0; inc < pixel_len; inc += (int) ticks_to_draw)
					if (inc == 0 || (inc + (int) ticks_to_draw) >= pixel_len)
						dc.DrawLine (pen_ticks, thumb_area.X + space_from_left - 2 + inc, thumb_pos.Y + 25, thumb_area.X + space_from_left - 2 + inc, thumb_pos.Y + 28);
					else
						dc.DrawLine (pen_ticks, thumb_area.X + space_from_left - 2 + inc, thumb_pos.Y + 25, thumb_area.X + space_from_left - 2 + inc, thumb_pos.Y + 27);

			}

			if ((style & TickStyle.TopLeft) == TickStyle.TopLeft ||
				((style & TickStyle.Both) == TickStyle.Both)) {

				float pixel_len = thumb_area.Width - 10;
				float ticks_to_draw = pixel_len / ticks;

				if (ticks_to_draw < 0)
					ticks_to_draw = 1;

				for (int inc = 0; inc < pixel_len; inc += (int) ticks_to_draw)
					if (inc == 0 || (inc + (int) ticks_to_draw) >= pixel_len)
						dc.DrawLine (pen_ticks, thumb_area.X + 5 + inc, area.Y + 5, thumb_area.X + 5 + inc, area.Y + 9);
					else
						dc.DrawLine (pen_ticks, thumb_area.X + 5 + inc, area.Y + 6, thumb_area.X + 5 + inc, area.Y + 8);
			}
		}


		public void DrawTrackBar (Graphics dc, Rectangle area, ref Rectangle thumb_pos,
			 ref Rectangle thumb_area, TickStyle style, int ticks, Orientation orientation, bool focused)
		{
			if (orientation == Orientation.Vertical)
				DrawTrackBar_Vertical (dc, area, ref thumb_pos, ref thumb_area,
					style, ticks, focused);
			else
				DrawTrackBar_Horitonzal (dc, area, ref thumb_pos, ref thumb_area,
					style, ticks, focused);
		}


		public void DrawProgressBar (Graphics dc, Rectangle area,  Rectangle client_area,
			int barpos_pixels, int block_width)

		{
			int space_betweenblocks = 2;
			int increment = block_width + space_betweenblocks;
			int x = client_area.X;

			/* Background*/
			dc.FillRectangle (br_main, area);

			/* Draw background*/

			while ((x - client_area.X) < barpos_pixels) {
				dc.FillRectangle (br_bar, x, client_area.Y, block_width, client_area.Height);
				x  = x + increment;
			}

			/* Draw border */
			dc.FillRectangle (br_shadow, area.X, area.Y, area.Width, 1);
			dc.FillRectangle (br_shadow, area.X, area.Y, 1, area.Height);
			dc.FillRectangle (br_light, area.X, area.Y + area.Height - 1, area.Width, 1);
			dc.FillRectangle (br_light, area.X + area.Width - 1, area.Y, 1, area.Height);

		}


		/*
			Private methods
		*/

		private static void DrawBorderInternal(Graphics graphics, int startX, int startY, int endX, int endY,
			int width, Color color, ButtonBorderStyle style, Border3DSide side) {

			Pen	pen=new Pen(color, 1);

			switch(style) {
				case ButtonBorderStyle.Solid: {
					pen.DashStyle=DashStyle.Solid;
					break;
				}

				case ButtonBorderStyle.Dashed: {
					pen.DashStyle=DashStyle.Dash;
					break;
				}

				case ButtonBorderStyle.Dotted: {
					pen.DashStyle=DashStyle.Dot;
					break;
				}

				case ButtonBorderStyle.Inset: {
					pen.DashStyle=DashStyle.Solid;
					break;
				}

				case ButtonBorderStyle.Outset: {
					pen.DashStyle=DashStyle.Solid;
					break;
				}

				default:
				case ButtonBorderStyle.None: {
					pen.Dispose();
					return;
				}
			}


			switch(style) {
				case ButtonBorderStyle.Outset: {
					Color		colorGrade;
					int		hue, brightness, saturation;
					int		brightnessSteps;
					int		brightnessDownSteps;

					ControlPaint.Color2HBS(color, out hue, out brightness, out saturation);

					brightnessDownSteps=brightness/width;
					if (brightness>127) {
						brightnessSteps=Math.Max(6, (160-brightness)/width);
					} else {
						brightnessSteps=(127-brightness)/width;
					}

					for (int i=0; i<width; i++) {
						switch(side) {
							case Border3DSide.Left:	{
								pen.Dispose();
								colorGrade=ControlPaint.HBS2Color(hue, Math.Min(255, brightness+brightnessSteps*(width-i)), saturation);
								pen=new Pen(colorGrade, 1);
								graphics.DrawLine(pen, startX+i, startY+i, endX+i, endY-i);
								break;
							}

							case Border3DSide.Right: {
								pen.Dispose();
								colorGrade=ControlPaint.HBS2Color(hue, Math.Max(0, brightness-brightnessDownSteps*(width-i)), saturation);
								pen=new Pen(colorGrade, 1);
								graphics.DrawLine(pen, startX-i, startY+i, endX-i, endY-i);
								break;
							}

							case Border3DSide.Top: {
								pen.Dispose();
								colorGrade=ControlPaint.HBS2Color(hue, Math.Min(255, brightness+brightnessSteps*(width-i)), saturation);
								pen=new Pen(colorGrade, 1);
								graphics.DrawLine(pen, startX+i, startY+i, endX-i, endY+i);
								break;
							}

							case Border3DSide.Bottom: {
								pen.Dispose();
								colorGrade=ControlPaint.HBS2Color(hue, Math.Max(0, brightness-brightnessDownSteps*(width-i)), saturation);
								pen=new Pen(colorGrade, 1);
								graphics.DrawLine(pen, startX+i, startY-i, endX-i, endY-i);
								break;
							}
						}
					}
					break;
				}

				case ButtonBorderStyle.Inset: {
					Color		colorGrade;
					int		hue, brightness, saturation;
					int		brightnessSteps;
					int		brightnessDownSteps;

					ControlPaint.Color2HBS(color, out hue, out brightness, out saturation);

					brightnessDownSteps=brightness/width;
					if (brightness>127) {
						brightnessSteps=Math.Max(6, (160-brightness)/width);
					} else {
						brightnessSteps=(127-brightness)/width;
					}

					for (int i=0; i<width; i++) {
						switch(side) {
							case Border3DSide.Left:	{
								pen.Dispose();
								colorGrade=ControlPaint.HBS2Color(hue, Math.Max(0, brightness-brightnessDownSteps*(width-i)), saturation);
								pen=new Pen(colorGrade, 1);
								graphics.DrawLine(pen, startX+i, startY+i, endX+i, endY-i);
								break;
							}

							case Border3DSide.Right: {
								pen.Dispose();
								colorGrade=ControlPaint.HBS2Color(hue, Math.Min(255, brightness+brightnessSteps*(width-i)), saturation);
								pen=new Pen(colorGrade, 1);
								graphics.DrawLine(pen, startX-i, startY+i, endX-i, endY-i);
								break;
							}

							case Border3DSide.Top: {
								pen.Dispose();
								colorGrade=ControlPaint.HBS2Color(hue, Math.Max(0, brightness-brightnessDownSteps*(width-i)), saturation);
								pen=new Pen(colorGrade, 1);
								graphics.DrawLine(pen, startX+i, startY+i, endX-i, endY+i);
								break;
							}

							case Border3DSide.Bottom: {
								pen.Dispose();
								colorGrade=ControlPaint.HBS2Color(hue, Math.Min(255, brightness+brightnessSteps*(width-i)), saturation);
								pen=new Pen(colorGrade, 1);
								graphics.DrawLine(pen, startX+i, startY-i, endX-i, endY-i);
								break;
							}
						}
					}
					break;
				}

				/*
					I decided to have the for-loop duplicated for speed reasons;
					that way we only have to switch once (as opposed to have the
					for-loop around the switch)
				*/
				default: {
					switch(side) {
						case Border3DSide.Left:	{
							for (int i=0; i<width; i++) {
								graphics.DrawLine(pen, startX+i, startY+i, endX+i, endY-i);
							}
							break;
						}

						case Border3DSide.Right: {
							for (int i=0; i<width; i++) {
								graphics.DrawLine(pen, startX-i, startY+i, endX-i, endY-i);
							}
							break;
						}

						case Border3DSide.Top: {
							for (int i=0; i<width; i++) {
								graphics.DrawLine(pen, startX+i, startY+i, endX-i, endY+i);
							}
							break;
						}

						case Border3DSide.Bottom: {
							for (int i=0; i<width; i++) {
								graphics.DrawLine(pen, startX+i, startY-i, endX-i, endY-i);
							}
							break;
						}
					}
					break;
				}
			}
			pen.Dispose();
		}

		/*
			This function actually draws the various caption elements.
			This way we can scale them nicely, no matter what size, and they
			still look like MS's scaled caption buttons. (as opposed to scaling a bitmap)
		*/

		private static void DrawCaptionHelper(Graphics graphics, Color color, Pen pen, int lineWidth, int shift, Rectangle captionRect, CaptionButton button) {
			switch(button) {
				case CaptionButton.Close: {
					pen.StartCap=LineCap.Triangle;
					pen.EndCap=LineCap.Triangle;
					if (lineWidth<2) {
						graphics.DrawLine(pen, captionRect.Left+2*lineWidth+1+shift, captionRect.Top+2*lineWidth+shift, captionRect.Right-2*lineWidth+1+shift, captionRect.Bottom-2*lineWidth+shift);
						graphics.DrawLine(pen, captionRect.Right-2*lineWidth+1+shift, captionRect.Top+2*lineWidth+shift, captionRect.Left+2*lineWidth+1+shift, captionRect.Bottom-2*lineWidth+shift);
					}

					graphics.DrawLine(pen, captionRect.Left+2*lineWidth+shift, captionRect.Top+2*lineWidth+shift, captionRect.Right-2*lineWidth+shift, captionRect.Bottom-2*lineWidth+shift);
					graphics.DrawLine(pen, captionRect.Right-2*lineWidth+shift, captionRect.Top+2*lineWidth+shift, captionRect.Left+2*lineWidth+shift, captionRect.Bottom-2*lineWidth+shift);
					return;
				}

				case CaptionButton.Help: {
					StringFormat	sf = new StringFormat();
					SolidBrush		sb = new SolidBrush(color);
					Font				font = new Font("Microsoft Sans Serif", captionRect.Height, FontStyle.Bold, GraphicsUnit.Pixel);

					sf.Alignment=StringAlignment.Center;
					sf.LineAlignment=StringAlignment.Center;


					graphics.DrawString("?", font, sb, captionRect.X+captionRect.Width/2+shift, captionRect.Y+captionRect.Height/2+shift+lineWidth/2, sf);

					sf.Dispose();
					sb.Dispose();
					font.Dispose();

					return;
				}

				case CaptionButton.Maximize: {
					/* Top 'caption bar' line */
					for (int i=0; i<Math.Max(2, lineWidth); i++) {
						graphics.DrawLine(pen, captionRect.Left+lineWidth+shift, captionRect.Top+2*lineWidth+shift+i, captionRect.Right-lineWidth-lineWidth/2+shift, captionRect.Top+2*lineWidth+shift+i);
					}

					/* Left side line */
					for (int i=0; i<Math.Max(1, lineWidth/2); i++) {
						graphics.DrawLine(pen, captionRect.Left+lineWidth+shift+i, captionRect.Top+2*lineWidth+shift, captionRect.Left+lineWidth+shift+i, captionRect.Bottom-lineWidth+shift);
					}

					/* Right side line */
					for (int i=0; i<Math.Max(1, lineWidth/2); i++) {
						graphics.DrawLine(pen, captionRect.Right-lineWidth-lineWidth/2+shift+i, captionRect.Top+2*lineWidth+shift, captionRect.Right-lineWidth-lineWidth/2+shift+i, captionRect.Bottom-lineWidth+shift);
					}

					/* Bottom line */
					for (int i=0; i<Math.Max(1, lineWidth/2); i++) {
						graphics.DrawLine(pen, captionRect.Left+lineWidth+shift, captionRect.Bottom-lineWidth+shift-i, captionRect.Right-lineWidth-lineWidth/2+shift, captionRect.Bottom-lineWidth+shift-i);
					}
					return;
				}

				case CaptionButton.Minimize: {
					/* Bottom line */
					for (int i=0; i<Math.Max(2, lineWidth); i++) {
						graphics.DrawLine(pen, captionRect.Left+lineWidth+shift, captionRect.Bottom-lineWidth+shift-i, captionRect.Right-3*lineWidth+shift, captionRect.Bottom-lineWidth+shift-i);
					}
					return;
				}

				case CaptionButton.Restore: {
					/** First 'window' **/
					/* Top 'caption bar' line */
					for (int i=0; i<Math.Max(2, lineWidth); i++) {
						graphics.DrawLine(pen, captionRect.Left+3*lineWidth+shift, captionRect.Top+2*lineWidth+shift-i, captionRect.Right-lineWidth-lineWidth/2+shift, captionRect.Top+2*lineWidth+shift-i);
					}

					/* Left side line */
					for (int i=0; i<Math.Max(1, lineWidth/2); i++) {
						graphics.DrawLine(pen, captionRect.Left+3*lineWidth+shift+i, captionRect.Top+2*lineWidth+shift, captionRect.Left+3*lineWidth+shift+i, captionRect.Top+4*lineWidth+shift);
					}

					/* Right side line */
					for (int i=0; i<Math.Max(1, lineWidth/2); i++) {
						graphics.DrawLine(pen, captionRect.Right-lineWidth-lineWidth/2+shift-i, captionRect.Top+2*lineWidth+shift, captionRect.Right-lineWidth-lineWidth/2+shift-i, captionRect.Top+5*lineWidth-lineWidth/2+shift);
					}

					/* Bottom line */
					for (int i=0; i<Math.Max(1, lineWidth/2); i++) {
						graphics.DrawLine(pen, captionRect.Right-3*lineWidth-lineWidth/2+shift, captionRect.Top+5*lineWidth-lineWidth/2+shift+1+i, captionRect.Right-lineWidth-lineWidth/2+shift, captionRect.Top+5*lineWidth-lineWidth/2+shift+1+i);
					}

					/** Second 'window' **/
					/* Top 'caption bar' line */
					for (int i=0; i<Math.Max(2, lineWidth); i++) {
						graphics.DrawLine(pen, captionRect.Left+lineWidth+shift, captionRect.Top+4*lineWidth+shift+1-i, captionRect.Right-3*lineWidth-lineWidth/2+shift, captionRect.Top+4*lineWidth+shift+1-i);
					}

					/* Left side line */
					for (int i=0; i<Math.Max(1, lineWidth/2); i++) {
						graphics.DrawLine(pen, captionRect.Left+lineWidth+shift+i, captionRect.Top+4*lineWidth+shift+1, captionRect.Left+lineWidth+shift+i, captionRect.Bottom-lineWidth+shift);
					}

					/* Right side line */
					for (int i=0; i<Math.Max(1, lineWidth/2); i++) {
						graphics.DrawLine(pen, captionRect.Right-3*lineWidth-lineWidth/2+shift-i, captionRect.Top+4*lineWidth+shift+1, captionRect.Right-3*lineWidth-lineWidth/2+shift-i, captionRect.Bottom-lineWidth+shift);
					}

					/* Bottom line */
					for (int i=0; i<Math.Max(1, lineWidth/2); i++) {
						graphics.DrawLine(pen, captionRect.Left+lineWidth+shift, captionRect.Bottom-lineWidth+shift-i, captionRect.Right-3*lineWidth-lineWidth/2+shift, captionRect.Bottom-lineWidth+shift-i);
					}

					return;
				}

			}
		}

		[MonoTODO("Finish drawing code for Caption, Menu and Scroll")]
		private void DrawFrameControl(Graphics graphics, Rectangle rectangle, DrawFrameControlTypes Type, DrawFrameControlStates State) {
			switch(Type) {
				case DrawFrameControlTypes.Button: {
					if ((State & DrawFrameControlStates.ButtonPush)!=0) {
						/* Goes first, affects the background */
						if ((State & DrawFrameControlStates.Checked)!=0) {
							HatchBrush	hatchBrush=new HatchBrush(HatchStyle.Percent50, SystemColors.ControlLight, SystemColors.ControlLightLight);
							graphics.FillRectangle(hatchBrush,rectangle);
							hatchBrush.Dispose();
						}

						if ((State & DrawFrameControlStates.Pushed)!=0) {
							DrawBorder3D(graphics, rectangle, Border3DStyle.Sunken, Border3DSide.Left | Border3DSide.Top | Border3DSide.Right | Border3DSide.Bottom);
						} else if ((State & DrawFrameControlStates.Flat)!=0) {
							ControlPaint.DrawBorder(graphics, rectangle, SystemColors.ControlDark, ButtonBorderStyle.Solid);
						} else if ((State & DrawFrameControlStates.Inactive)!=0) {
							/* Same as normal, it would seem */
							DrawBorder3D(graphics, rectangle, Border3DStyle.Raised, Border3DSide.Left | Border3DSide.Top | Border3DSide.Right | Border3DSide.Bottom);
						} else {
							DrawBorder3D(graphics, rectangle, Border3DStyle.Raised, Border3DSide.Left | Border3DSide.Top | Border3DSide.Right | Border3DSide.Bottom);
						}
					} else if ((State & DrawFrameControlStates.ButtonRadio)!=0) {
						Pen			penFatDark	= new Pen(SystemColors.ControlDarkDark, 2);
						Pen			penFatLight	= new Pen(SystemColors.ControlLight, 2);
						int			lineWidth;

						graphics.DrawArc(penFatDark, rectangle.X+1, rectangle.Y+1, rectangle.Width-2, rectangle.Height-2, 135, 180);
						graphics.DrawArc(penFatLight, rectangle.X+1, rectangle.Y+1, rectangle.Width-2, rectangle.Height-2, 315, 180);

						graphics.DrawArc(SystemPens.ControlDark, rectangle, 135, 180);
						graphics.DrawArc(SystemPens.ControlLightLight, rectangle, 315, 180);

						lineWidth=Math.Max(1, Math.Min(rectangle.Width, rectangle.Height)/3);

						if ((State & DrawFrameControlStates.Checked)!=0) {
							SolidBrush	buttonBrush;

							if ((State & DrawFrameControlStates.Inactive)!=0) {
								buttonBrush=(SolidBrush)SystemBrushes.ControlDark;
							} else {
								buttonBrush=(SolidBrush)SystemBrushes.ControlText;
							}
							graphics.FillPie(buttonBrush, rectangle.X+lineWidth, rectangle.Y+lineWidth, rectangle.Width-lineWidth*2, rectangle.Height-lineWidth*2, 0, 359);
						}
						penFatDark.Dispose();
						penFatLight.Dispose();
					} else if ((State & DrawFrameControlStates.ButtonRadioImage)!=0) {
						throw new NotImplementedException () ;
					} else if ((State & DrawFrameControlStates.ButtonRadioMask)!=0) {
						throw new NotImplementedException ();
					} else {	/* Must be Checkbox */
						Pen			pen;
						int			lineWidth;
						Rectangle	rect;
						int			Scale;

						/* FIXME: I'm sure there's an easier way to calculate all this, but it should do for now */

						/* Goes first, affects the background */
						if ((State & DrawFrameControlStates.Pushed)!=0) {
							HatchBrush	hatchBrush=new HatchBrush(HatchStyle.Percent50, SystemColors.ControlLight, SystemColors.ControlLightLight);
							graphics.FillRectangle(hatchBrush,rectangle);
							hatchBrush.Dispose();
						}

						/* Draw the sunken frame */
						if ((State & DrawFrameControlStates.Flat)!=0) {
							ControlPaint.DrawBorder(graphics, rectangle, SystemColors.ControlDark, ButtonBorderStyle.Solid);
						} else {
							DrawBorder3D(graphics, rectangle, Border3DStyle.Sunken, Border3DSide.Left | Border3DSide.Top | Border3DSide.Right | Border3DSide.Bottom);
						}

						/* Make sure we've got at least a line width of 1 */
						lineWidth=Math.Max(3, rectangle.Width/6);
						Scale=Math.Max(1, rectangle.Width/12);

						rect=new Rectangle(rectangle.X+lineWidth, rectangle.Y+lineWidth, rectangle.Width-lineWidth*2, rectangle.Height-lineWidth*2);
						if ((State & DrawFrameControlStates.Inactive)!=0) {
							pen=SystemPens.ControlDark;
						} else {
							pen=SystemPens.ControlText;
						}

						if ((State & DrawFrameControlStates.Checked)!=0) {
							/* Need to draw a check-mark */
							for (int i=0; i<lineWidth; i++) {
								graphics.DrawLine(pen, rect.Left+lineWidth/2, rect.Top+lineWidth+i, rect.Left+lineWidth/2+2*Scale, rect.Top+lineWidth+2*Scale+i);
								graphics.DrawLine(pen, rect.Left+lineWidth/2+2*Scale, rect.Top+lineWidth+2*Scale+i, rect.Left+lineWidth/2+6*Scale, rect.Top+lineWidth-2*Scale+i);
							}

						}
					}
					return;
				}

				case DrawFrameControlTypes.Caption: {
					// FIXME:
					break;
				}

				case DrawFrameControlTypes.Menu: {
					// FIXME:
					break;
				}

				case DrawFrameControlTypes.Scroll: {
					// FIXME:
					break;
				}
			}
		}

		/* Generic button */
		static public void DrawScroolButtonPrimitive (Graphics dc, Rectangle area, ButtonState state)
		{
			if ((state & ButtonState.Pushed) == ButtonState.Pushed) {

				dc.FillRectangle (br_main, area.X + 1,
					area.Y + 1, area.Width - 2 , area.Height - 2);

				dc.DrawRectangle (pen_shadow, area.X,
					area.Y, area.Width, area.Height);
			}

			if (state == ButtonState.Normal) {

				dc.FillRectangle (br_lighttop, area.X, area.Y, area.Width, 1);
				dc.FillRectangle (br_light, area.X, area.Y + 1, area.Width - 1, 1);
				dc.FillRectangle (br_light, area.X, area.Y + 2, 1,
					area.Height - 2 - 1);

				dc.FillRectangle (br_shadow, area.X, area.Y + area.Height - 1,
					area.Width - 1, 1);

				dc.FillRectangle (br_dark, area.X, area.Y + area.Height,
					area.Width, 1);

				dc.FillRectangle (br_shadow, area.X + area.Width - 1,
					area.Y + 1, 1, area.Height);

				dc.FillRectangle (br_dark, area.X + area.Width,
					area.Y, 1, area.Height);

				dc.FillRectangle (br_main, area.X + 1,
					area.Y + 2, area.Width - 2, area.Height - 3);
			}
		}

	} //class
}