[TextEditor] Added command for focussing & centering.

Centering the caret is now at 33% no longer at 50%

(cherry picked from commit 93b5af7c4c2b940f0f071eb1641131a8035ba125)

3 files changed, 22 insertions, 2 deletions

diff --git a/main/src/core/Mono.Texteditor/Mono.TextEditor/Gui/TextArea.cs b/main/src/core/Mono.Texteditor/Mono.TextEditor/Gui/TextArea.cs
index b13c87e7ef..ef32ab7282 100644
--- a/main/src/core/Mono.Texteditor/Mono.TextEditor/Gui/TextArea.cs
+++ b/main/src/core/Mono.Texteditor/Mono.TextEditor/Gui/TextArea.cs
@@ -1543,7 +1543,7 @@ namespace Mono.TextEditor
 
 				//	int yMargin = 1 * this.LineHeight;
 				double caretPosition = editor.TextArea.LineToY (p.Line);
-				caretPosition -= editor.TextArea.textEditorData.VAdjustment.PageSize / 2;
+				caretPosition -= editor.TextArea.textEditorData.VAdjustment.PageSize / 3;
 
 				// Make sure the caret position is inside the bounds. This avoids an unnecessary bump of the scrollview.
 				// The adjustment does this check, but does it after assigning the value, so the value may be out of bounds for a while.
diff --git a/main/src/core/MonoDevelop.Ide/ExtensionModel/Commands.addin.xml b/main/src/core/MonoDevelop.Ide/ExtensionModel/Commands.addin.xml
index 0652e3002a..26fc8bfdb8 100644
--- a/main/src/core/MonoDevelop.Ide/ExtensionModel/Commands.addin.xml
+++ b/main/src/core/MonoDevelop.Ide/ExtensionModel/Commands.addin.xml
@@ -668,6 +668,11 @@
 			_label = "_Cursor Position"
 			shortcut = "Alt|C"
 			_description = "Go to Cursor Position" />
+	<Command id = "MonoDevelop.Ide.Commands.ViewCommands.CenterAndFocusCurrentDocument"
+			defaultHandler = "MonoDevelop.Ide.Commands.CenterAndFocusCurrentDocumentHandler"
+			_label = "Center and F_ocus Document"
+			shortcut = "Alt|Shift|C"
+			_description = "Focus and center current document" />
 	<Command id = "MonoDevelop.Ide.Commands.ViewCommands.ShowWelcomePage"
 			defaultHandler = "MonoDevelop.Ide.WelcomePage.ShowWelcomePageHandler"
 			_label = "Welcome Page"
diff --git a/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Commands/ViewCommands.cs b/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Commands/ViewCommands.cs
index 86c3e97c9e..8644f78a30 100644
--- a/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Commands/ViewCommands.cs
+++ b/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Commands/ViewCommands.cs
@@ -58,6 +58,7 @@ namespace MonoDevelop.Ide.Commands
 		ZoomOut,
 		ZoomReset,
 		FocusCurrentDocument,
+		CenterAndFocusCurrentDocument,
 		ShowWelcomePage
 	}
 
@@ -409,7 +410,7 @@ namespace MonoDevelop.Ide.Commands
 			window.MoveToPreviousNotebook ();
 		}
 	}
-	
+
 	public class FocusCurrentDocumentHandler : CommandHandler
 	{
 		protected override void Update (CommandInfo info)
@@ -424,4 +425,18 @@ namespace MonoDevelop.Ide.Commands
 		}
 
 	}
+
+	public class CenterAndFocusCurrentDocumentHandler : CommandHandler
+	{
+		protected override void Update (CommandInfo info)
+		{
+			info.Enabled = IdeApp.Workbench.ActiveDocument != null && IdeApp.Workbench.ActiveDocument.Editor != null;
+		}
+
+		protected override void Run ()
+		{
+			IdeApp.Workbench.ActiveDocument.Editor.CenterToCaret ();
+			IdeApp.Workbench.ActiveDocument.Editor.StartCaretPulseAnimation ();
+		}
+	}
 }