Improved F# interactive pad.

Add InitiallyFocusedControl to pads.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@5498 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/BackendBindings/Boo/BooBinding/Project/Src/InteractiveInterpreter.cs

@@ -95,7 +95,7 @@ namespace Grunwald.BooBinding
 				if (processing)
 					AppendLine(text.ToString());
 				else
-					InsertLineBeforePrompt(text.ToString());
+					InsertBeforePrompt(text.ToString() + Environment.NewLine);
 			}
 		}
 		

src/AddIns/BackendBindings/FSharpBinding/FSharpBinding.addin

@@ -101,7 +101,8 @@
 		     category = "Main"
 		     title    = "F# Interactive"
 		     icon     = "F#.ProjectIcon"
-		     class    = "FSharpBinding.FSharpInteractive"/>
+		     class    = "FSharpBinding.FSharpInteractive"
+		     defaultPosition = "Bottom, Hidden" />
 	</Path>
 
 	<Path name = "/SharpDevelop/ViewContent/DefaultTextEditor/ContextMenu">

src/AddIns/BackendBindings/FSharpBinding/FSharpInteractive.cs

@@ -5,54 +5,37 @@
 //     <version>$Revision$</version>
 // </file>
 
-using ICSharpCode.SharpDevelop.Editor;
 using System;
 using System.Collections.Generic;
 using System.Configuration;
 using System.Diagnostics;
 using System.IO;
 using System.Linq;
+using System.Text;
 using System.Windows.Forms;
+
 using ICSharpCode.Core;
 using ICSharpCode.SharpDevelop;
+using ICSharpCode.SharpDevelop.Editor;
 using ICSharpCode.SharpDevelop.Gui;
 
 namespace FSharpBinding
 {
-	public class FSharpInteractive : AbstractPadContent
+	public class FSharpInteractive : AbstractConsolePad
 	{
 		Queue<string> outputQueue = new Queue<string>();
 		internal readonly Process fsiProcess = new Process();
-		Panel panel = new Panel();
-		TextBox input, output;
 		internal readonly bool foundCompiler;
 		
 		public FSharpInteractive()
 		{
-			input = new TextBox {
-				Anchor = AnchorStyles.Left | AnchorStyles.Top | AnchorStyles.Right,
-				Width = panel.Width
-			};
-			output = new TextBox {
-				Multiline = true,
-				Top = input.Height,
-				Height = panel.Height - input.Height,
-				Width = panel.Width,
-				ReadOnly = true,
-				ScrollBars = ScrollBars.Both,
-				WordWrap = false,
-				Anchor = AnchorStyles.Left | AnchorStyles.Top | AnchorStyles.Right | AnchorStyles.Bottom
-			};
-			panel.Controls.Add(input);
-			panel.Controls.Add(output);
-			
 			if (Array.Exists(ConfigurationManager.AppSettings.AllKeys, x => x == "alt_fs_bin_path")) {
 				string path = Path.Combine(ConfigurationManager.AppSettings["alt_fs_bin_path"], "fsi.exe");
 				if (File.Exists(path)) {
 					fsiProcess.StartInfo.FileName = path;
 					foundCompiler = true;
 				} else {
-					output.Text = "you are trying to use the app setting alt_fs_bin_path, but fsi.exe is not localed in the given directory";
+					AppendLine("you are trying to use the app setting alt_fs_bin_path, but fsi.exe is not localed in the given directory");
 					foundCompiler = false;
 				}
 			} else {
@@ -68,37 +51,26 @@ namespace FSharpBinding
 					foundCompiler = true;
 				} else {
 					string programFiles = Environment.GetFolderPath(Environment.SpecialFolder.ProgramFiles);
-					var possibleFiles = from fsdir in Directory.GetDirectories(programFiles, "FSharp*")
-						//LoggingService.Debug("Trying to find fsi in '" + fsdir + "'");
-						let fileInfo = new FileInfo(Path.Combine(fsdir, "bin\\fsi.exe"))
-						where fileInfo.Exists
-						orderby fileInfo.CreationTime
-						select fileInfo;
-					FileInfo file = possibleFiles.FirstOrDefault();
-					if (file != null) {
-						fsiProcess.StartInfo.FileName = file.FullName;
+					path = Path.Combine(programFiles, @"Microsoft F#\v4.0\Fsi.exe");
+					if (File.Exists(path)) {
+						fsiProcess.StartInfo.FileName = path;
 						foundCompiler = true;
 					} else {
-						output.Text = "Can not find the fsi.exe, ensure a version of the F# compiler is installed." + Environment.NewLine +
-							"Please see http://research.microsoft.com/fsharp for details of how to install the compiler";
+						AppendLine("Can not find the fsi.exe, ensure a version of the F# compiler is installed." + Environment.NewLine +
+						           "Please see http://research.microsoft.com/fsharp for details of how to install the compiler");
 						foundCompiler = false;
 					}
 				}
 			}
 			
 			if (foundCompiler) {
-				input.KeyUp += delegate(object sender, KeyEventArgs e) {
-					if (e.KeyData == Keys.Return) {
-						fsiProcess.StandardInput.WriteLine(input.Text);
-						input.Text = "";
-					}
-				};
 				//fsiProcess.StartInfo.Arguments <- "--fsi-server sharpdevelopfsi";
 				fsiProcess.StartInfo.UseShellExecute = false;
 				fsiProcess.StartInfo.CreateNoWindow = true;
 				fsiProcess.StartInfo.RedirectStandardError = true;
 				fsiProcess.StartInfo.RedirectStandardInput = true;
 				fsiProcess.StartInfo.RedirectStandardOutput = true;
+				fsiProcess.EnableRaisingEvents = true;
 				fsiProcess.ErrorDataReceived += delegate(object sender, DataReceivedEventArgs e) {
 					lock (outputQueue) {
 						outputQueue.Enqueue(e.Data);
@@ -117,31 +89,52 @@ namespace FSharpBinding
 						outputQueue.Enqueue("restarting ...");
 					}
 					WorkbenchSingleton.SafeThreadAsyncCall(ReadAll);
-					fsiProcess.Start();
-				};
-				fsiProcess.Start();
-				fsiProcess.BeginErrorReadLine();
-				fsiProcess.BeginOutputReadLine();
-			} else {
-				input.KeyUp += delegate(object sender, KeyEventArgs e) {
-					if (e.KeyData == Keys.Return) {
-						output.AppendText(Environment.NewLine + "F# not installed - could not execute command");
-						input.Text = "";
-					}
+					WorkbenchSingleton.SafeThreadAsyncCall(StartFSharp);
 				};
+				StartFSharp();
 			}
 		}
 		
+		void StartFSharp()
+		{
+			fsiProcess.Start();
+			fsiProcess.BeginErrorReadLine();
+			fsiProcess.BeginOutputReadLine();
+		}
+		
+		int expectedPrompts;
+		
 		void ReadAll()
 		{
+			StringBuilder b = new StringBuilder();
 			lock (outputQueue) {
 				while (outputQueue.Count > 0)
-					output.AppendText(outputQueue.Dequeue() + Environment.NewLine);
+					b.AppendLine(outputQueue.Dequeue());
+			}
+			int offset = 0;
+			// ignore prompts inserted by fsi.exe (we only see them too late as we're reading line per line)
+			for (int i = 0; i < expectedPrompts; i++) {
+				if (offset + 1 < b.Length && b[offset] == '>' && b[offset + 1] == ' ')
+					offset += 2;
+				else
+					break;
 			}
+			expectedPrompts = 0;
+			InsertBeforePrompt(b.ToString(offset, b.Length - offset));
 		}
 		
-		public override object Control {
-			get { return panel; }
+		protected override string Prompt {
+			get { return "> "; }
+		}
+		
+		protected override bool AcceptCommand(string command)
+		{
+			if (command.TrimEnd().EndsWith(";;", StringComparison.Ordinal)) {
+				expectedPrompts++;
+				fsiProcess.StandardInput.WriteLine(command);
+				return true;
+			}
+			return false;
 		}
 	}
 	

src/AddIns/Misc/StartPage/Project/Src/RecentProjectsControl.xaml

@@ -7,6 +7,7 @@
 			Name="lastProjectsListView"
 			SelectionMode="Single"
 			core:SortableGridViewColumn.SortMode="Automatic"
+			Margin="0,0,0,20"
 			MouseDoubleClick="lastProjectsDoubleClick"
 			KeyDown="lastProjectsKeyDown">
 			<ListView.Resources>
@@ -38,8 +39,7 @@
 			</ListView.View>
 		</ListView>
 		<StackPanel
-			Orientation="Horizontal"
-			Margin="0,20,0,0">
+			Orientation="Horizontal">
 			<Button
 				Content="{core:Localize StartPage.StartMenu.OpenCombineButton}"
 				Click="openSolutionClick" />

src/AddIns/Misc/StartPage/Project/Src/RecentProjectsControl.xaml.cs

@@ -54,6 +54,7 @@ namespace ICSharpCode.StartPage
 				}
 			}
 			lastProjectsListView.ItemsSource = items;
+			lastProjectsListView.Visibility = items.Count > 0 ? Visibility.Visible : Visibility.Collapsed;
 		}
 		
 		class RecentOpenItem

src/AddIns/Misc/StartPage/Project/Src/StartPageControl.xaml

@@ -5,7 +5,7 @@
 	<ScrollViewer
 		VerticalScrollBarVisibility="Visible"
 		HorizontalScrollBarVisibility="Disabled">
-		<Grid>
+		<Grid MinWidth="200"> <!-- use minimum width to avoid the text wrapping from getting ridiculous -->
 			<Grid.RowDefinitions>
 				<RowDefinition
 					Height="72" />

src/Main/Base/Project/Src/Gui/AbstractPadContent.cs

@@ -12,10 +12,18 @@ namespace ICSharpCode.SharpDevelop.Gui
 {
 	public abstract class AbstractPadContent : IPadContent
 	{
+		/// <inheritdoc/>
 		public abstract object Control {
 			get;
 		}
 		
+		/// <inheritdoc/>
+		public virtual object InitiallyFocusedControl {
+			get {
+				return null;
+			}
+		}
+		
 		public virtual void Dispose()
 		{
 		}

src/Main/Base/Project/Src/Gui/AbstractViewContent.cs

@@ -53,7 +53,7 @@ namespace ICSharpCode.SharpDevelop.Gui
 		}
 		
 		public virtual object InitiallyFocusedControl {
-			get { return this.Control; }
+			get { return null; }
 		}
 		
 		IWorkbenchWindow workbenchWindow;

src/Main/Base/Project/Src/Gui/IPadContent.cs

@@ -23,5 +23,12 @@ namespace ICSharpCode.SharpDevelop.Gui
 		object Control {
 			get;
 		}
+		
+		/// <summary>
+		/// Gets the control which has focus initially.
+		/// </summary>
+		object InitiallyFocusedControl {
+			get;
+		}
 	}
 }

src/Main/Base/Project/Src/Gui/Pads/AbstractConsolePad.cs

@@ -71,6 +71,10 @@ namespace ICSharpCode.SharpDevelop.Gui
 			get { return panel; }
 		}
 		
+		public override object InitiallyFocusedControl {
+			get { return console.editor; }
+		}
+		
 		string GetText()
 		{
 			return this.TextEditor.Document.Text;
@@ -130,6 +134,8 @@ namespace ICSharpCode.SharpDevelop.Gui
 					}
 					return false;
 				case Key.Down:
+					if (console.CommandText.Contains("\n"))
+						return false;
 					this.historyPointer = Math.Min(this.historyPointer + 1, this.history.Count);
 					if (this.historyPointer == this.history.Count)
 						console.CommandText = "";
@@ -138,6 +144,8 @@ namespace ICSharpCode.SharpDevelop.Gui
 					console.editor.ScrollToEnd();
 					return true;
 				case Key.Up:
+					if (console.CommandText.Contains("\n"))
+						return false;
 					this.historyPointer = Math.Max(this.historyPointer - 1, 0);
 					if (this.historyPointer == this.history.Count)
 						console.CommandText = "";
@@ -148,19 +156,24 @@ namespace ICSharpCode.SharpDevelop.Gui
 				case Key.Return:
 					if (Keyboard.Modifiers == ModifierKeys.Shift)
 						return false;
+					int caretOffset = this.console.TextEditor.Caret.Offset;
 					string commandText = console.CommandText;
-					this.console.TextEditor.Document.Insert(this.console.TextEditor.Document.TextLength, "\n");
+					cleared = false;
 					if (AcceptCommand(commandText)) {
-						if (!cleared)
+						if (!cleared) {
+							console.TextEditor.Document.Insert(console.TextEditor.Document.TextLength, Environment.NewLine);
 							AppendPrompt();
-						else
+							console.TextEditor.Select(console.TextEditor.Document.TextLength, 0);
+						} else {
 							console.CommandText = "";
+						}
 						cleared = false;
 						this.history.Add(commandText);
 						this.historyPointer = this.history.Count;
+						console.editor.ScrollToEnd();
+						return true;
 					}
-					console.editor.ScrollToEnd();
-					return true;
+					return false;
 				default:
 					return false;
 			}
@@ -224,11 +237,13 @@ namespace ICSharpCode.SharpDevelop.Gui
 			console.Append(text);
 		}
 		
-		protected void InsertLineBeforePrompt(string text)
+		protected void InsertBeforePrompt(string text)
 		{
-			text += Environment.NewLine;
-			this.console.editor.Document.Insert(this.console.readOnlyRegion.EndOffset - Prompt.Length, text);
-			this.console.SetReadonly(this.console.readOnlyRegion.EndOffset + text.Length);
+			int endOffset = this.console.readOnlyRegion.EndOffset;
+			bool needScrollDown = this.console.editor.CaretOffset >= endOffset;
+			this.console.editor.Document.Insert(endOffset - Prompt.Length, text);
+			this.console.editor.ScrollToEnd();
+			this.console.SetReadonly(endOffset + text.Length);
 		}
 		
 		protected virtual void Clear()

src/Main/Base/Project/Src/Gui/Pads/FileScout.cs

@@ -331,6 +331,12 @@ namespace ICSharpCode.SharpDevelop.Gui
 			}
 		}
 		
+		public object InitiallyFocusedControl {
+			get {
+				return null;
+			}
+		}
+		
 		Splitter      splitter1     = new Splitter();
 		
 		FileList   filelister = new FileList();

src/Main/Base/Project/Src/Gui/Workbench/Layouts/AvalonPadContent.cs

@@ -46,6 +46,9 @@ namespace ICSharpCode.SharpDevelop.Gui
 		protected override void FocusContent()
 		{
 			IInputElement activeChild = CustomFocusManager.GetFocusedChild(this);
+			if (activeChild == null && padInstance != null) {
+				activeChild = padInstance.InitiallyFocusedControl as IInputElement;
+			}
 			if (activeChild != null) {
 				LoggingService.Debug("Will move focus to: " + activeChild);
 				Dispatcher.BeginInvoke(DispatcherPriority.Background,
@@ -82,8 +85,17 @@ namespace ICSharpCode.SharpDevelop.Gui
 				placeholder.IsVisibleChanged -= AvalonPadContent_IsVisibleChanged;
 				padInstance = descriptor.PadContent;
 				if (padInstance != null) {
+					bool isFocused = this.IsKeyboardFocused;
 					this.SetContent(padInstance.Control, padInstance);
 					placeholder = null;
+					
+					if (isFocused) {
+						IInputElement initialFocus = padInstance.InitiallyFocusedControl as IInputElement;
+						if (initialFocus != null) {
+							Dispatcher.BeginInvoke(DispatcherPriority.Background,
+							                       new Action(delegate { Keyboard.Focus(initialFocus); }));
+						}
+					}
 				}
 			}
 		}