C# TextEditor.CenterToCaret方法代码示例

		public ComparisonWidget (VersionControlDocumentInfo info)
		{
			this.info = info;
			vAdjustment = new Adjustment (0, 0, 0, 0, 0, 0);
			vAdjustment.Changed += HandleAdjustmentChanged;
			leftVAdjustment = new Adjustment (0, 0, 0, 0, 0, 0);
			Connect (leftVAdjustment, vAdjustment);
			
			rightVAdjustment =  new Adjustment (0, 0, 0, 0, 0, 0);
			Connect (rightVAdjustment, vAdjustment);
			
			vScrollBar = new VScrollbar (vAdjustment);
			AddChild (vScrollBar);
			vScrollBar.Hide ();
			
			hAdjustment = new Adjustment (0, 0, 0, 0, 0, 0);
			hAdjustment.Changed += HandleAdjustmentChanged;
			leftHAdjustment = new Adjustment (0, 0, 0, 0, 0, 0);
			Connect (leftHAdjustment, hAdjustment);
			
			rightHAdjustment =  new Adjustment (0, 0, 0, 0, 0, 0);
			Connect (rightHAdjustment, hAdjustment);
			
			leftHScrollBar = new HScrollbar (hAdjustment);
			AddChild (leftHScrollBar);
			
			rightHScrollBar = new HScrollbar (hAdjustment);
			AddChild (rightHScrollBar);
			
			originalEditor = new TextEditor ();
			originalEditor.Caret.PositionChanged += CaretPositionChanged;
			originalEditor.FocusInEvent += EditorFocusIn;
			AddChild (originalEditor);
			originalEditor.SetScrollAdjustments (leftHAdjustment, leftVAdjustment);
			
			originalComboBox = new DropDownBox ();
			originalComboBox.WindowRequestFunc = CreateComboBoxSelector;
			originalComboBox.Text = "Local";
			originalComboBox.Tag = originalEditor;
			AddChild (originalComboBox);
			
			diffEditor = new TextEditor ();
			diffEditor.Caret.PositionChanged += CaretPositionChanged;
			diffEditor.FocusInEvent += EditorFocusIn;
			
			AddChild (diffEditor);
			diffEditor.Document.ReadOnly = true;
			diffEditor.SetScrollAdjustments (leftHAdjustment, leftVAdjustment);
			this.vAdjustment.ValueChanged += delegate {
				middleArea.QueueDraw ();
			};
			
			diffComboBox = new DropDownBox ();
			diffComboBox.WindowRequestFunc = CreateComboBoxSelector;
			diffComboBox.Text = "Base";
			diffComboBox.Tag = diffEditor;
			AddChild (diffComboBox);
			
			
			overview = new OverviewRenderer (this);
			AddChild (overview);
			
			middleArea = new MiddleArea (this);
			AddChild (middleArea);
			
			prev = new Button ();
			prev.Add (new Arrow (ArrowType.Up, ShadowType.None));
			AddChild (prev);
			prev.ShowAll ();
			prev.Clicked += delegate {
				if (this.Diff == null)
					return;
				originalEditor.GrabFocus ();
				
				int line = originalEditor.Caret.Line;
				int max  = -1, searched = -1;
				foreach (Diff.Hunk hunk in this.Diff) {
					if (hunk.Same)
						continue;
					max = System.Math.Max (hunk.Right.Start, max);
					if (hunk.Right.Start < line)
						searched = System.Math.Max (hunk.Right.Start, searched);
				}
				if (max >= 0) {
					originalEditor.Caret.Line = searched < 0 ? max : searched;
					originalEditor.CenterToCaret ();
				}
			};
			
			next = new Button ();
			next.BorderWidth = 0;
			next.Add (new Arrow (ArrowType.Down, ShadowType.None));
			next.Clicked += delegate {
				if (this.Diff == null)
					return;
				originalEditor.GrabFocus ();
				
				int line = originalEditor.Caret.Line;
				int min  = Int32.MaxValue, searched = Int32.MaxValue;
				foreach (Diff.Hunk hunk in this.Diff) {
//.........这里部分代码省略.........

		public static SearchResult FindPrevious (TextEditor textEditor)
		{
			SearchResult result = textEditor.FindPrevious (true);

			textEditor.CenterToCaret ();
			if (result == null) {
				IdeApp.Workbench.StatusBar.ShowError (GettextCatalog.GetString ("Search pattern not found"));
			} else if (result.SearchWrapped) {
				IdeApp.Workbench.StatusBar.ShowMessage (
					Stock.Find,
					GettextCatalog.GetString ("Reached top, continued from bottom")
				);
			} else {
				IdeApp.Workbench.StatusBar.ShowReady ();
			}
			return result;
		}

		public static SearchResult FindNext (TextEditor textEditor)
		{
			textEditor.SearchPattern = SearchAndReplaceOptions.SearchPattern;
			SearchResult result = textEditor.FindNext (true);
			if (result == null)
				return null;
			textEditor.CenterToCaret ();

			if (result == null) {
				IdeApp.Workbench.StatusBar.ShowError (GettextCatalog.GetString ("Search pattern not found"));
			} else if (result.SearchWrapped) {
				IdeApp.Workbench.StatusBar.ShowMessage (
					Stock.Find,
					GettextCatalog.GetString ("Reached bottom, continued from top")
				);
			} else {
				IdeApp.Workbench.StatusBar.ShowReady ();
			}
			return result;
		}