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ICSharpCode.TextEditor/Project/Src/Util/TipSection.cs

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+// <file>
+//     <copyright see="prj:///doc/copyright.txt"/>
+//     <license see="prj:///doc/license.txt"/>
+//     <owner name="none" email=""/>
+//     <version>$Revision$</version>
+// </file>
+
+using System;
+using System.Diagnostics;
+using System.Drawing;
+
+namespace ICSharpCode.TextEditor.Util
+{
+	abstract class TipSection
+	{
+		SizeF    tipAllocatedSize;
+		Graphics tipGraphics;
+		SizeF    tipMaxSize;
+		SizeF    tipRequiredSize;
+		
+		protected TipSection(Graphics graphics)
+		{
+			tipGraphics = graphics;
+		}
+		
+		public abstract void Draw(PointF location);
+		
+		public SizeF GetRequiredSize()
+		{
+			return tipRequiredSize;
+		}
+		
+		public void SetAllocatedSize(SizeF allocatedSize)
+		{
+			Debug.Assert(allocatedSize.Width >= tipRequiredSize.Width &&
+			             allocatedSize.Height >= tipRequiredSize.Height);
+			
+			tipAllocatedSize = allocatedSize; OnAllocatedSizeChanged();
+		}
+		
+		public void SetMaximumSize(SizeF maximumSize)
+		{
+			tipMaxSize = maximumSize; OnMaximumSizeChanged();
+		}
+		
+		protected virtual void OnAllocatedSizeChanged()
+		{
+			
+		}
+		
+		protected virtual void OnMaximumSizeChanged()
+		{
+			
+		}
+		
+		protected void SetRequiredSize(SizeF requiredSize)
+		{
+			requiredSize.Width  = Math.Max(0, requiredSize.Width);
+			requiredSize.Height = Math.Max(0, requiredSize.Height);
+			requiredSize.Width  = Math.Min(tipMaxSize.Width, requiredSize.Width);
+			requiredSize.Height = Math.Min(tipMaxSize.Height, requiredSize.Height);
+			
+			tipRequiredSize = requiredSize;
+		}
+		
+		protected Graphics Graphics	{
+			get {
+				return tipGraphics;
+			}
+		}
+		
+		protected SizeF AllocatedSize {
+			get {
+				return tipAllocatedSize;
+			}
+		}
+		
+		protected SizeF MaximumSize {
+			get {
+				return tipMaxSize;
+			}
+		}
+	}
+}