autohidestripvs2003.cs

Fireball.CodeEditor is an source code editor control derived from the best compona SyntaxBox Control

			CalculateTabs(DockState.DockBottomAutoHide);
			CalculateTabs(DockState.DockLeftAutoHide);
			CalculateTabs(DockState.DockRightAutoHide);
		}

		private void CalculateTabs(DockState dockState)
		{
			Rectangle rectTabStrip = GetLogicalTabStripRectangle(dockState);

			int imageHeight = rectTabStrip.Height - ImageGapTop - ImageGapBottom;
			int imageWidth = ImageWidth;
			if (imageHeight > ImageHeight)
				imageWidth = ImageWidth * (imageHeight/ImageHeight);

			using (Graphics g = CreateGraphics())
			{
				int x = TabGapLeft + rectTabStrip.X;
				foreach (AutoHidePane pane in GetPanes(dockState))
				{
					int maxWidth = 0;
					foreach (AutoHideTabVS2003 tab in pane.Tabs)
					{
						int width = imageWidth + ImageGapLeft + ImageGapRight +
							(int)g.MeasureString(tab.Content.DockHandler.TabText, Font).Width + 1 +
							TextGapLeft + TextGapRight;
						if (width > maxWidth)
							maxWidth = width;
					}

					foreach (AutoHideTabVS2003 tab in pane.Tabs)
					{
						tab.TabX = x;
						if (tab.Content == pane.DockPane.ActiveContent)
							tab.TabWidth = maxWidth;
						else
							tab.TabWidth = imageWidth + ImageGapLeft + ImageGapRight;
						x += tab.TabWidth;
					}
					x += TabGapBetween;
				}
			}
		}

		private void DrawTab(Graphics g, AutoHideTabVS2003 tab)
		{
			Rectangle rectTab = GetTabRectangle(tab);
			if (rectTab.IsEmpty)
				return;

			DockState dockState = tab.Content.DockHandler.DockState;
			IDockableWindow content = tab.Content;
			
			OnBeginDrawTab(tab);

			Brush brushTabBackGround = BrushTabBackground;
			Pen penTabBorder = PenTabBorder;
			Brush brushTabText = BrushTabText;

			g.FillRectangle(brushTabBackGround, rectTab);

			g.DrawLine(penTabBorder, rectTab.Left, rectTab.Top, rectTab.Left, rectTab.Bottom);
			g.DrawLine(penTabBorder, rectTab.Right, rectTab.Top, rectTab.Right, rectTab.Bottom);
			if (dockState == DockState.DockTopAutoHide || dockState == DockState.DockRightAutoHide)
				g.DrawLine(penTabBorder, rectTab.Left, rectTab.Bottom, rectTab.Right, rectTab.Bottom);
			else
				g.DrawLine(penTabBorder, rectTab.Left, rectTab.Top, rectTab.Right, rectTab.Top);

			// Set no rotate for drawing icon and text
			Matrix matrixRotate = g.Transform;
			g.Transform = MatrixIdentity;

			// Draw the icon
			Rectangle rectImage = rectTab;
			rectImage.X += ImageGapLeft;
			rectImage.Y += ImageGapTop;
			int imageHeight = rectTab.Height - ImageGapTop - ImageGapBottom;
			int imageWidth = ImageWidth;
			if (imageHeight > ImageHeight)
				imageWidth = ImageWidth * (imageHeight/ImageHeight);
			rectImage.Height = imageHeight;
			rectImage.Width = imageWidth;
			rectImage = GetTransformedRectangle(dockState, rectImage);
			g.DrawIcon(((Form)content).Icon, rectImage);

			// Draw the text
			if (content == content.DockHandler.Pane.ActiveContent)
			{
				Rectangle rectText = rectTab;
				rectText.X += ImageGapLeft + imageWidth + ImageGapRight + TextGapLeft;
				rectText.Width -= ImageGapLeft + imageWidth + ImageGapRight + TextGapLeft;
				rectText = GetTransformedRectangle(dockState, rectText);
				if (dockState == DockState.DockLeftAutoHide || dockState == DockState.DockRightAutoHide)
					g.DrawString(content.DockHandler.TabText, Font, brushTabText, rectText, StringFormatTabVertical);
				else
					g.DrawString(content.DockHandler.TabText, Font, brushTabText, rectText, StringFormatTabHorizontal);
			}

			// Set rotate back
			g.Transform = matrixRotate;

			OnEndDrawTab(tab);
		}

		private Rectangle GetLogicalTabStripRectangle(DockState dockState)
		{
			return GetLogicalTabStripRectangle(dockState, false);
		}

		private Rectangle GetLogicalTabStripRectangle(DockState dockState, bool transformed)
		{
			if (!DockHelper.IsDockStateAutoHide(dockState))
				return Rectangle.Empty;

			int leftPanes = GetPanes(DockState.DockLeftAutoHide).Count;
			int rightPanes = GetPanes(DockState.DockRightAutoHide).Count;
			int topPanes = GetPanes(DockState.DockTopAutoHide).Count;
			int bottomPanes = GetPanes(DockState.DockBottomAutoHide).Count;

			int x, y, width, height;

			height = MeasureHeight();
			if (dockState == DockState.DockLeftAutoHide && leftPanes > 0)
			{
				x = 0;
				y = (topPanes == 0) ? 0 : height;
				width = Height - (topPanes == 0 ? 0 : height) - (bottomPanes == 0 ? 0 :height);
			}
			else if (dockState == DockState.DockRightAutoHide && rightPanes > 0)
			{
				x = Width - height;
				if (leftPanes != 0 && x < height)
					x = height;
				y = (topPanes == 0) ? 0 : height;
				width = Height - (topPanes == 0 ? 0 : height) - (bottomPanes == 0 ? 0 :height);
			}
			else if (dockState == DockState.DockTopAutoHide && topPanes > 0)
			{
				x = leftPanes == 0 ? 0 : height;
				y = 0;
				width = Width - (leftPanes == 0 ? 0 : height) - (rightPanes == 0 ? 0 : height);
			}
			else if (dockState == DockState.DockBottomAutoHide && bottomPanes > 0)
			{
				x = leftPanes == 0 ? 0 : height;
				y = Height - height;
				if (topPanes != 0 && y < height)
					y = height;
				width = Width - (leftPanes == 0 ? 0 : height) - (rightPanes == 0 ? 0 : height);
			}
			else
				return Rectangle.Empty;

			if (!transformed)
				return new Rectangle(x, y, width, height);
			else
				return GetTransformedRectangle(dockState, new Rectangle(x, y, width, height));
		}

		private Rectangle GetTabRectangle(AutoHideTabVS2003 tab)
		{
			return GetTabRectangle(tab, false);
		}

		private Rectangle GetTabRectangle(AutoHideTabVS2003 tab, bool transformed)
		{
			DockState dockState = tab.Content.DockHandler.DockState;
			Rectangle rectTabStrip = GetLogicalTabStripRectangle(dockState);

			if (rectTabStrip.IsEmpty)
				return Rectangle.Empty;

			int x = tab.TabX;
			int y = rectTabStrip.Y + 
				(dockState == DockState.DockTopAutoHide || dockState == DockState.DockRightAutoHide ?
				0 : TabGapTop);
			int width = tab.TabWidth;
			int height = rectTabStrip.Height - TabGapTop;

			if (!transformed)
				return new Rectangle(x, y, width, height);
			else
				return GetTransformedRectangle(dockState, new Rectangle(x, y, width, height));
		}

		private Rectangle GetTransformedRectangle(DockState dockState, Rectangle rect)
		{
			if (dockState != DockState.DockLeftAutoHide && dockState != DockState.DockRightAutoHide)
				return rect;

			PointF[] pts = new PointF[1];
			// the center of the rectangle
			pts[0].X = (float)rect.X + (float)rect.Width / 2;
			pts[0].Y = (float)rect.Y + (float)rect.Height / 2;
			Rectangle rectTabStrip = GetLogicalTabStripRectangle(dockState);
			Matrix matrix = new Matrix();
			matrix.RotateAt(90, new PointF((float)rectTabStrip.X + (float)rectTabStrip.Height / 2,
				(float)rectTabStrip.Y + (float)rectTabStrip.Height / 2));
			matrix.TransformPoints(pts);

			return new Rectangle((int)(pts[0].X - (float)rect.Height / 2 + .5F),
				(int)(pts[0].Y - (float)rect.Width / 2 + .5F),
				rect.Height, rect.Width);
		}

		/// <exclude />
		protected override IDockableWindow GetHitTest(Point ptMouse)
		{
			foreach(DockState state in DockStates)
			{
				Rectangle rectTabStrip = GetLogicalTabStripRectangle(state, true);
				if (!rectTabStrip.Contains(ptMouse))
					continue;

				foreach(AutoHidePane pane in GetPanes(state))
				{
					foreach(AutoHideTabVS2003 tab in pane.Tabs)
					{
						Rectangle rectTab = GetTabRectangle(tab, true);
						rectTab.Intersect(rectTabStrip);
						if (rectTab.Contains(ptMouse))
							return tab.Content;
					}
				}
			}
			
			return null;
		}

		/// <exclude/>
		protected internal override int MeasureHeight()
		{
			return Math.Max(ImageGapBottom +
				ImageGapTop + ImageHeight,
				Font.Height) + TabGapTop;
		}

		/// <exclude/>
		protected override void OnRefreshChanges()
		{
			CalculateTabs();
			Invalidate();
		}

		/// <include file='CodeDoc/AutoHideStripVS2003.xml' path='//CodeDoc/Class[@name="AutoHideStripVS2003"]/Method[@name="OnBeginDrawTab(AutoHideTab)"]/*'/>
		protected virtual void OnBeginDrawTab(AutoHideTab tab)
		{
		}

		/// <include file='CodeDoc/AutoHideStripVS2003.xml' path='//CodeDoc/Class[@name="AutoHideStripVS2003"]/Method[@name="OnEndDrawTab(AutoHideTab)"]/*'/>
		protected virtual void OnEndDrawTab(AutoHideTab tab)
		{
		}
	}
}