first commit

2026-01-07 11:33:05 +08:00
commit fc54ffd43b
215 changed files with 31856 additions and 0 deletions
--- a/ICSharpCode.TextEditor/Project/Src/Actions/HomeEndActions.cs
+++ b/ICSharpCode.TextEditor/Project/Src/Actions/HomeEndActions.cs
@@ -0,0 +1,114 @@
+// <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.Collections.Generic;
+using System.Drawing;
+
+using ICSharpCode.TextEditor.Document;
+
+namespace ICSharpCode.TextEditor.Actions
+{
+	public class Home : AbstractEditAction
+	{
+		public override void Execute(TextArea textArea)
+		{
+			LineSegment curLine;
+			TextLocation       newPos = textArea.Caret.Position;
+			bool        jumpedIntoFolding = false;
+			do {
+				curLine = textArea.Document.GetLineSegment(newPos.Y);
+				
+				if (TextUtilities.IsEmptyLine(textArea.Document, newPos.Y)) {
+					if (newPos.X != 0) {
+						newPos.X = 0;
+					} else  {
+						newPos.X = curLine.Length;
+					}
+				} else {
+					int firstCharOffset = TextUtilities.GetFirstNonWSChar(textArea.Document, curLine.Offset);
+					int firstCharColumn = firstCharOffset - curLine.Offset;
+					
+					if (newPos.X == firstCharColumn) {
+						newPos.X = 0;
+					} else {
+						newPos.X = firstCharColumn;
+					}
+				}
+				List<FoldMarker> foldings = textArea.Document.FoldingManager.GetFoldingsFromPosition(newPos.Y, newPos.X);
+				jumpedIntoFolding = false;
+				foreach (FoldMarker foldMarker in foldings) {
+					if (foldMarker.IsFolded) {
+						newPos = new TextLocation(foldMarker.StartColumn, foldMarker.StartLine);
+						jumpedIntoFolding = true;
+						break;
+					}
+				}
+				
+			} while (jumpedIntoFolding);
+			
+			if (newPos != textArea.Caret.Position) {
+				textArea.Caret.Position = newPos;
+				textArea.SetDesiredColumn();
+			}
+		}
+	}
+	
+	public class End : AbstractEditAction
+	{
+		public override void Execute(TextArea textArea)
+		{
+			LineSegment curLine;
+			TextLocation newPos = textArea.Caret.Position;
+			bool jumpedIntoFolding = false;
+			do {
+				curLine  = textArea.Document.GetLineSegment(newPos.Y);
+				newPos.X = curLine.Length;
+				
+				List<FoldMarker> foldings = textArea.Document.FoldingManager.GetFoldingsFromPosition(newPos.Y, newPos.X);
+				jumpedIntoFolding = false;
+				foreach (FoldMarker foldMarker in foldings) {
+					if (foldMarker.IsFolded) {
+						newPos = new TextLocation(foldMarker.EndColumn, foldMarker.EndLine);
+						jumpedIntoFolding = true;
+						break;
+					}
+				}
+			} while (jumpedIntoFolding);
+			
+			if (newPos != textArea.Caret.Position) {
+				textArea.Caret.Position = newPos;
+				textArea.SetDesiredColumn();
+			}
+		}
+	}
+	
+	
+	public class MoveToStart : AbstractEditAction
+	{
+		public override void Execute(TextArea textArea)
+		{
+			if (textArea.Caret.Line != 0 || textArea.Caret.Column != 0) {
+				textArea.Caret.Position = new TextLocation(0, 0);
+				textArea.SetDesiredColumn();
+			}
+		}
+	}
+	
+	
+	public class MoveToEnd : AbstractEditAction
+	{
+		public override void Execute(TextArea textArea)
+		{
+			TextLocation endPos = textArea.Document.OffsetToPosition(textArea.Document.TextLength);
+			if (textArea.Caret.Position != endPos) {
+				textArea.Caret.Position = endPos;
+				textArea.SetDesiredColumn();
+			}
+		}
+	}
+}