first commit

ICSharpCode.TextEditor/Project/Src/Gui/CompletionWindow/DeclarationViewWindow.cs

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+// <file>
+//     <copyright see="prj:///doc/copyright.txt"/>
+//     <license see="prj:///doc/license.txt"/>
+//     <owner name="Mike Krüger" email="mike@icsharpcode.net"/>
+//     <version>$Revision$</version>
+// </file>
+
+using System;
+using System.Drawing;
+using System.Windows.Forms;
+
+using ICSharpCode.TextEditor.Util;
+
+namespace ICSharpCode.TextEditor.Gui.CompletionWindow
+{
+	public interface IDeclarationViewWindow
+	{
+		string Description {
+			get;
+			set;
+		}
+		void ShowDeclarationViewWindow();
+		void CloseDeclarationViewWindow();
+	}
+	
+	public class DeclarationViewWindow : Form, IDeclarationViewWindow
+	{
+		string description = string.Empty;
+		bool fixedWidth;
+		
+		public string Description {
+			get {
+				return description;
+			}
+			set {
+				description = value;
+				if (value == null && Visible) {
+					Visible = false;
+				} else if (value != null) {
+					if (!Visible) ShowDeclarationViewWindow();
+					Refresh();
+				}
+			}
+		}
+		
+		public bool FixedWidth {
+			get {
+				return fixedWidth;
+			}
+			set {
+				fixedWidth = value;
+			}
+		}
+		
+		public int GetRequiredLeftHandSideWidth(Point p) {
+			if (description != null && description.Length > 0) {
+				using (Graphics g = CreateGraphics()) {
+					Size s = TipPainterTools.GetLeftHandSideDrawingSizeHelpTipFromCombinedDescription(this, g, Font, null, description, p);
+					return s.Width;
+				}
+			}
+			return 0;
+		}
+		
+		public bool HideOnClick;
+		
+		public DeclarationViewWindow(Form parent)
+		{
+			SetStyle(ControlStyles.Selectable, false);
+			StartPosition   = FormStartPosition.Manual;
+			FormBorderStyle = FormBorderStyle.None;
+			Owner           = parent;
+			ShowInTaskbar   = false;
+			Size            = new Size(0, 0);
+			base.CreateHandle();
+		}
+		
+		protected override CreateParams CreateParams {
+			get {
+				CreateParams p = base.CreateParams;
+				AbstractCompletionWindow.AddShadowToWindow(p);
+				return p;
+			}
+		}
+		
+		protected override bool ShowWithoutActivation {
+			get {
+				return true;
+			}
+		}
+		
+		protected override void OnClick(EventArgs e)
+		{
+			base.OnClick(e);
+			if (HideOnClick) Hide();
+		}
+		
+		public void ShowDeclarationViewWindow()
+		{
+			Show();
+		}
+		
+		public void CloseDeclarationViewWindow()
+		{
+			Close();
+			Dispose();
+		}
+		
+		protected override void OnPaint(PaintEventArgs pe)
+		{
+			if (description != null && description.Length > 0) {
+				if (fixedWidth) {
+					TipPainterTools.DrawFixedWidthHelpTipFromCombinedDescription(this, pe.Graphics, Font, null, description);
+				} else {
+					TipPainterTools.DrawHelpTipFromCombinedDescription(this, pe.Graphics, Font, null, description);
+				}
+			}
+		}
+		
+		protected override void OnPaintBackground(PaintEventArgs pe)
+		{
+			pe.Graphics.FillRectangle(SystemBrushes.Info, pe.ClipRectangle);
+		}
+	}
+}