--- /dev/null
+// Copyright (c) 2013-2022 Bruyère Jean-Philippe jp_bruyere@hotmail.com
+//
+// This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
+
+using System;
+using System.Linq;
+
+using System.ComponentModel;
+using Glfw;
+
+using Crow.Text;
+using Drawing2D;
+
+namespace Crow
+{
+ /// <summary>
+ /// Simple label widget possibly multiline but without tabulation handling.
+ /// </summary>
+ public class Label2 : ScrollingObject, IEditableTextWidget
+ {
+ #region CTOR
+ protected Label2 () {
+ initCommands ();
+ }
+ public Label2(Interface iface, string style = null) : base (iface, style) { }
+ #endregion
+ protected override void onInitialized(object sender, EventArgs e)
+ {
+
+ base.onInitialized(sender, e);
+ }
+
+ TextBuffer buffer = new TextBuffer("");
+ protected bool disableTextChangedEvent;
+
+ public Command CMDCut, CMDCopy, CMDPaste;
+ void initCommands () {
+ CMDCut = new ActionCommand ("Cut", Cut, "#icons.scissors.svg", false);
+ CMDCopy = new ActionCommand ("Copy", Copy, "#icons.copy-file.svg", false);
+ CMDPaste = new ActionCommand ("Paste", Paste, "#icons.paste-on-document.svg", true);
+
+ ContextCommands = new CommandGroup (CMDCut, CMDCopy, CMDPaste);
+ }
+
+ public event EventHandler<TextChangeEventArgs> TextChanged;
+ public event EventHandler<TextSelectionChangeEventArgs> SelectionChanged;
+ public virtual void OnTextChanged(object sender, TextChangeEventArgs e)
+ {
+ TextChanged.Raise (this, e);
+ }
+ public virtual void OnSelectionChanged(Object sender, TextSelectionChangeEventArgs e)
+ {
+ SelectionChanged.Raise (this, e);
+ }
+
+ #region Label
+ [DefaultValue("label")]
+ public string Text
+ {
+ get => buffer.Span.ToString();
+ set
+ {
+ if (buffer.ReadOnlySpan.SequenceEqual (value.AsSpan ()))
+ return;
+
+ update(new TextChange (0, buffer.Length, value));
+ NotifyValueChanged ("Text", Text);
+ }
+ }
+ double targetColumn = -1;//handle line changes with long->short->long line length sequence.
+
+ protected CharLocation? hoverLoc = null;
+ protected CharLocation? currentLoc = null;
+ protected CharLocation? selectionStart = null; //selection start (row,column)
+
+ protected virtual CharLocation? CurrentLoc {
+ get => currentLoc;
+ set {
+ if (currentLoc == value)
+ return;
+ currentLoc = value;
+ NotifyValueChanged ("CurrentLine", CurrentLine);
+ NotifyValueChanged ("CurrentColumn", CurrentColumn);
+ NotifyValueChanged ("TabulatedColumn", TabulatedColumn);
+
+ CMDCopy.CanExecute = CMDCut.CanExecute = !SelectionIsEmpty;
+ }
+ }
+ public int CurrentLine {
+ get => currentLoc.HasValue ? currentLoc.Value.Line : 0;
+ set {
+ if (currentLoc?.Line == value)
+ return;
+ currentLoc = new CharLocation (value, currentLoc.Value.Column, currentLoc.Value.VisualCharXPosition);
+ NotifyValueChanged ("CurrentLine", CurrentLine);
+
+ CMDCopy.CanExecute = CMDCut.CanExecute = !SelectionIsEmpty;
+ }
+ }
+ public int CurrentColumn {
+ get => currentLoc.HasValue ? currentLoc.Value.Column < 0 ? 0 : currentLoc.Value.Column : 0;
+ set {
+ if (CurrentColumn == value)
+ return;
+ currentLoc = new CharLocation (currentLoc.Value.Line, value);
+ NotifyValueChanged ("CurrentColumn", CurrentColumn);
+
+ CMDCopy.CanExecute = CMDCut.CanExecute = !SelectionIsEmpty;
+ }
+ }
+ public int TabulatedColumn {
+ get => currentLoc.HasValue ? currentLoc.Value.TabulatedColumn < 0 ? 0 : currentLoc.Value.TabulatedColumn : 0;
+ }
+
+ /// <summary>
+ /// Set current cursor position in label.
+ /// </summary>
+ /// <param name="position">Absolute character position in text.</param>
+ public void SetCursorPosition (int position) {
+ CharLocation loc = buffer.GetLocation (position);
+ loc.Column = Math.Min (loc.Column, buffer.GetLine (loc.Line).Length);
+ CurrentLoc = loc;
+ }
+
+ Color selForeground, selBackground;
+
+ protected bool textMeasureIsUpToDate = false;
+ //protected object linesMutex = new object ();
+
+ protected Size cachedTextSize = default (Size);
+ protected FontExtents fe;
+ protected TextExtents te;
+ protected int tabSize;
+ TextAlignment _textAlignment;
+
+ /// <summary>
+ /// Background color for selected text inside this label.
+ /// </summary>
+ [DefaultValue ("LightSteelBlue")]
+ public virtual Color SelectionBackground {
+ get { return selBackground; }
+ set {
+ if (selBackground == value)
+ return;
+ selBackground = value;
+ NotifyValueChangedAuto (selBackground);
+ RegisterForRedraw ();
+ }
+ }
+ /// <summary>
+ /// Selected text color inside this label.
+ /// </summary>
+ [DefaultValue("White")]
+ public virtual Color SelectionForeground {
+ get { return selForeground; }
+ set {
+ if (selForeground == value)
+ return;
+ selForeground = value;
+ NotifyValueChangedAuto (selForeground);
+ RegisterForRedraw ();
+ }
+ }
+ [DefaultValue(4)]
+ public int TabSize {
+ get => tabSize;
+ set {
+ if (tabSize == value)
+ return;
+ tabSize = value;
+ NotifyValueChanged("TabSize",tabSize);
+ }
+ }
+ [DefaultValue(TextAlignment.Left)]
+ public TextAlignment TextAlignment
+ {
+ get { return _textAlignment; }
+ set {
+ if (value == _textAlignment)
+ return;
+ _textAlignment = value;
+
+ CurrentLoc?.ResetVisualX ();
+ SelectionStart?.ResetVisualX ();
+
+ RegisterForRedraw ();
+ NotifyValueChangedAuto (_textAlignment);
+ }
+ }
+ protected double lineHeight => fe.Ascent + fe.Descent;
+
+ protected virtual int getAbsoluteLineIndexFromVisualLineMove (int startLine, int visualLineDiff)
+ => Math.Min (Math.Max (0, startLine + visualLineDiff), visualLineCount - 1);
+ /// <summary>
+ /// Moves cursor one char to the left.
+ /// </summary>
+ /// <returns><c>true</c> if move succeed</returns>
+ public bool MoveLeft(){
+ targetColumn = -1;
+ CharLocation loc = CurrentLoc.Value;
+ if (loc.Column == 0) {
+ if (loc.Line == 0)
+ return false;
+ int newLine = getAbsoluteLineIndexFromVisualLineMove (loc.Line, -1);
+ loc = new CharLocation (newLine, buffer.GetLine (newLine).Length);
+ }else
+ loc = new CharLocation (loc.Line, loc.Column - 1);
+ updateLocation(ref loc);
+ CurrentLoc = loc;
+ return true;
+ }
+ public bool MoveRight () {
+ targetColumn = -1;
+ CharLocation loc = CurrentLoc.Value;
+ if (loc.Column == buffer.GetLine (loc.Line).Length) {
+ if (loc.Line == buffer.LinesCount - 1)
+ return false;
+ loc = new CharLocation (
+ getAbsoluteLineIndexFromVisualLineMove (loc.Line, 1), 0);
+ } else
+ loc = new CharLocation (loc.Line, loc.Column + 1);
+ updateLocation(ref loc);
+ CurrentLoc = loc;
+ return true;
+ }
+ public bool LineMove (int lineDiff) {
+ if (!CurrentLoc.HasValue)
+ return false;
+
+ CharLocation loc = CurrentLoc.Value;
+ int newLine = getAbsoluteLineIndexFromVisualLineMove (loc.Line, lineDiff);
+ if (newLine == loc.Line)
+ return false;
+
+ using (IContext gr = IFace.Backend.CreateContext (IFace.MainSurface)) {
+ gr.SelectFontFace (Font.Name, Font.Slant, Font.Wheight);
+ gr.SetFontSize (Font.Size);
+ CharLocation newLoc;
+ double targetX;
+ if (targetColumn > 0) {
+ targetX = targetColumn;
+ } else {
+ if (!loc.HasVisualX)
+ updateLocation(gr, ref loc);
+ targetX = loc.VisualCharXPosition;
+ }
+
+ newLoc = new CharLocation(newLine, -1, targetX);
+ updateLocation(ref newLoc);
+
+ if (newLoc.VisualCharXPosition < targetX) {
+ if (targetColumn < 0)
+ targetColumn = loc.VisualCharXPosition;
+ } else {
+ targetColumn = -1;
+ }
+
+ CurrentLoc = newLoc;
+ }
+
+ /*if (loc.Column > document.GetLine (newLine).Length) {
+ if (targetColumn < 0)
+ targetColumn = loc.Column;
+ CurrentLoc = new CharLocation (newLine, document.GetLine (newLine).Length);
+ } else if (targetColumn < 0)
+ CurrentLoc = new CharLocation (newLine, loc.Column);
+ else if (targetColumn > document.GetLine (newLine).Length)
+ CurrentLoc = new CharLocation (newLine, document.GetLine (newLine).Length);
+ else
+ CurrentLoc = new CharLocation (newLine, targetColumn);*/
+
+ return true;
+ }
+
+ /// <summary>
+ /// Current Selected text span. May be used to set current position, or current selection.
+ /// </summary>
+ public TextSpan Selection {
+ set {
+ if (value.IsEmpty)
+ SelectionStart = null;
+ else
+ SelectionStart = buffer.GetLocation (value.Start);
+ CurrentLoc = buffer.GetLocation (value.End);
+ }
+ get {
+ if (CurrentLoc == null)
+ return default;
+ CharLocation selStart = CurrentLoc.Value, selEnd = CurrentLoc.Value;
+ if (selectionStart.HasValue) {
+ if (CurrentLoc.Value.Line < selectionStart.Value.Line) {
+ selStart = CurrentLoc.Value;
+ selEnd = selectionStart.Value;
+ } else if (CurrentLoc.Value.Line > selectionStart.Value.Line) {
+ selStart = selectionStart.Value;
+ selEnd = CurrentLoc.Value;
+ } else if (CurrentLoc.Value.Column < selectionStart.Value.Column) {
+ selStart = CurrentLoc.Value;
+ selEnd = selectionStart.Value;
+ } else {
+ selStart = selectionStart.Value;
+ selEnd = CurrentLoc.Value;
+ }
+ }
+ return new TextSpan (buffer.GetAbsolutePosition (selStart), buffer.GetAbsolutePosition (selEnd));
+ }
+ }
+ public string SelectedText {
+ get {
+ TextSpan selection = Selection;
+ return selection.IsEmpty ? "" : buffer.GetText (selection).ToString ();
+ }
+ }
+ public bool SelectionIsEmpty => selectionStart.HasValue ? Selection.IsEmpty : true;
+ public CharLocation? SelectionStart {
+ get => selectionStart;
+ set {
+ if (selectionStart == value)
+ return;
+ selectionStart = value;
+ if (SelectionChanged != null)
+ OnSelectionChanged (this, new TextSelectionChangeEventArgs (Selection));
+ }
+ }
+ /// <summary>
+ /// on screen visible line bounded by the client rectangle
+ /// </summary>
+ protected int visibleLines => (int)Math.Ceiling(ClientRectangle.Height / lineHeight);
+ /// <summary>
+ /// total line count
+ /// </summary>
+ protected virtual int visualLineCount => buffer.LinesCount;
+
+ protected virtual void measureTextBounds (IContext gr) {
+ fe = gr.FontExtents;
+ te = new TextExtents ();
+
+ try {
+
+ cachedTextSize.Height = (int)Math.Ceiling (lineHeight * Math.Max (1, visualLineCount));
+
+ TextExtents tmp = default;
+ int longestLine = 0;
+ for (int i = 0; i < buffer.LinesCount; i++) {
+ TextLine l = buffer.GetLine (i);
+ if (l.LengthInPixel < 0) {
+ if (l.Length == 0)
+ l.LengthInPixel = 0;// (int)Math.Ceiling (fe.MaxXAdvance);
+ else {
+ gr.TextExtents (buffer.GetText (l), Interface.TAB_SIZE, out tmp);
+ l.LengthInPixel = (int)Math.Ceiling (tmp.XAdvance);
+ buffer.SetLine(i, l);
+ }
+ }
+ if (l.LengthInPixel > buffer.GetLine (longestLine).LengthInPixel)
+ longestLine = i;
+ }
+ cachedTextSize.Width = buffer.GetLine (longestLine).LengthInPixel;
+ textMeasureIsUpToDate = true;
+
+ updateMaxScrolls (LayoutingType.Height);
+ updateMaxScrolls (LayoutingType.Width);
+ } finally {
+
+ }
+ }
+ protected virtual void drawContent (IContext gr) {
+ Rectangle cb = ClientRectangle;
+ fe = gr.FontExtents;
+ double lineHeight = fe.Ascent + fe.Descent;
+
+ CharLocation selStart = default, selEnd = default;
+ bool selectionNotEmpty = false;
+
+ gr.Translate (-ScrollX, 0);
+
+ //document.EnterReadLock();
+
+ try {
+ //if (HasFocus) {
+ if (currentLoc?.Column < 0) {
+ updateLocation (gr, ref currentLoc);
+ } else
+ updateLocation (gr, ref currentLoc);
+ if (selectionStart.HasValue) {
+ updateLocation (gr, ref selectionStart);
+ if (CurrentLoc.Value != selectionStart.Value)
+ selectionNotEmpty = true;
+ }
+ if (selectionNotEmpty) {
+ if (CurrentLoc.Value.Line < selectionStart.Value.Line) {
+ selStart = CurrentLoc.Value;
+ selEnd = selectionStart.Value;
+ } else if (CurrentLoc.Value.Line > selectionStart.Value.Line) {
+ selStart = selectionStart.Value;
+ selEnd = CurrentLoc.Value;
+ } else if (CurrentLoc.Value.Column < selectionStart.Value.Column) {
+ selStart = CurrentLoc.Value;
+ selEnd = selectionStart.Value;
+ } else {
+ selStart = selectionStart.Value;
+ selEnd = CurrentLoc.Value;
+ }
+ }
+ //}
+
+ if (buffer.Length > 0) {
+ int skippedLines = (int)Math.Floor(ScrollY / lineHeight);
+ int curLine = skippedLines;
+ double y = -(ScrollY % lineHeight);
+
+ Foreground?.SetAsSource (IFace, gr);
+
+ TextExtents extents;
+ Span<byte> bytes = stackalloc byte[128];
+
+ while (curLine < buffer.LinesCount && curLine - skippedLines < visibleLines) {
+
+ int encodedBytes = -1;
+ TextLine l = buffer.GetLine (curLine);
+ if (l.Length > 0) {
+ int size = l.Length * 4 + 1;
+ if (bytes.Length < size)
+ bytes = new byte[size];
+
+ encodedBytes = buffer.GetText (l).ToUtf8 (bytes);
+ bytes[encodedBytes++] = 0;
+
+ if (l.LengthInPixel < 0) {
+ gr.TextExtents (bytes.Slice (0, encodedBytes), out extents);
+ l.LengthInPixel = (int)extents.XAdvance;
+ buffer.SetLine(curLine, l);
+ }
+ }
+
+ RectangleD lineRect = new RectangleD (
+ (int)cb.X,
+ y + cb.Top, l.LengthInPixel, lineHeight);
+
+ if (encodedBytes > 0) {
+ gr.MoveTo (lineRect.X, lineRect.Y + fe.Ascent);
+ gr.ShowText (bytes.Slice (0, encodedBytes));
+ }
+ /********** DEBUG TextLineCollection *************
+ gr.SetSource (Colors.Red);
+ gr.SetFontSize (9);
+ gr.MoveTo (700, lineRect.Y + fe.Ascent);
+ gr.ShowText ($"({lines[i].Start}, {lines[i].End}, {lines[i].EndIncludingLineBreak})");
+ gr.SetFontSize (Font.Size);
+ Foreground.SetAsSource (IFace, gr);
+ ********** DEBUG TextLineCollection *************/
+
+ if (selectionNotEmpty) {
+ RectangleD selRect = lineRect;
+
+ if (curLine >= selStart.Line && curLine <= selEnd.Line) {
+ if (selStart.Line == selEnd.Line) {
+ selRect.X = selStart.VisualCharXPosition + cb.X;
+ selRect.Width = selEnd.VisualCharXPosition - selStart.VisualCharXPosition;
+ } else if (curLine == selStart.Line) {
+ double newX = selStart.VisualCharXPosition + cb.X;
+ selRect.Width -= (newX - selRect.X) - 10.0;
+ selRect.X = newX;
+ } else if (curLine == selEnd.Line) {
+ selRect.Width = selEnd.VisualCharXPosition - selRect.X + cb.X;
+ } else
+ selRect.Width += 10.0;
+ } else {
+ y += lineHeight;
+ curLine++;
+ continue;
+ }
+
+ gr.SetSource (selBackground);
+ gr.Rectangle (selRect);
+ if (encodedBytes < 0)
+ gr.Fill ();
+ else {
+ gr.FillPreserve ();
+ gr.Save ();
+ gr.Clip ();
+ gr.SetSource (SelectionForeground);
+ gr.MoveTo (lineRect.X, lineRect.Y + fe.Ascent);
+ gr.ShowText (bytes.Slice (0, encodedBytes));
+ gr.Restore ();
+ }
+ Foreground.SetAsSource (IFace, gr);
+ }
+
+ y += lineHeight;
+ curLine++;
+ }
+ }
+ } finally {
+ //document.ExitReadLock ();
+ }
+
+ gr.Translate (ScrollX, 0);
+ }
+ protected int getLineIndexFromMousePosition (Point mouseLocalPos) =>
+ (int)Math.Min (Math.Max (0, Math.Floor ((mouseLocalPos.Y + ScrollY)/ lineHeight)), visualLineCount - 1);
+ protected int getVisualLineIndex (Point mouseLocalPos) =>
+ (int)Math.Min (Math.Max (0, Math.Floor (mouseLocalPos.Y / lineHeight)), visibleLines - 1);
+ protected virtual int visualCurrentLine => CurrentLoc.HasValue ? CurrentLoc.Value.Line : 0;
+
+ protected virtual void updateHoverLocation (Point mouseLocalPos) {
+ int hoverLine = getLineIndexFromMousePosition (mouseLocalPos);
+ NotifyValueChanged("MouseY", mouseLocalPos.Y + ScrollY);
+ NotifyValueChanged("ScrollY", ScrollY);
+ NotifyValueChanged("VisibleLines", visibleLines);
+ NotifyValueChanged("HoverLine", hoverLine);
+ CharLocation newLoc = new CharLocation (hoverLine, -1, mouseLocalPos.X + ScrollX);
+ updateLocation (ref newLoc);
+ hoverLoc = newLoc;
+ }
+ RectangleD? textCursor = null;
+
+ public virtual bool DrawCursor (IContext ctx, out Rectangle rect) {
+ if (CurrentLoc == null) {
+ rect = default;
+ return false;
+ }
+ CharLocation loc = currentLoc.Value;
+
+ if (!loc.HasVisualX) {
+ ctx.SelectFontFace (Font.Name, Font.Slant, Font.Wheight);
+ ctx.SetFontSize (Font.Size);
+
+ if (currentLoc?.Column < 0) {
+ updateLocation (ctx, ref loc);
+ //update is locked, should not notify while updating graphics
+ //NotifyValueChanged ("CurrentColumn", CurrentColumn);
+ } else
+ updateLocation (ctx, ref loc);
+
+ textCursor = null;
+ }
+ currentLoc = loc;
+
+ textCursor = computeTextCursor (new RectangleD (loc.VisualCharXPosition, lineHeight * visualCurrentLine, 1.0, lineHeight));
+
+ if (textCursor == null) {
+ rect = default;
+ return false;
+ }
+
+ Rectangle c = ContextCoordinates (textCursor.Value + Slot.Position + ClientRectangle.Position);
+ Foreground.SetAsSource (IFace, ctx, c);
+ ctx.LineWidth = 1.0;
+ ctx.MoveTo (0.5 + c.X, c.Y);
+ ctx.LineTo (0.5 + c.X, c.Bottom);
+ ctx.Stroke ();
+ rect = c;
+ return true;
+ }
+ protected void updateLocation(ref CharLocation loc) {
+ if (loc.HasVisualX)
+ return;
+ using (IContext gr = IFace.Backend.CreateContext (IFace.MainSurface)) {
+ gr.SelectFontFace (Font.Name, Font.Slant, Font.Wheight);
+ gr.SetFontSize (Font.Size);
+ updateLocation(gr, ref loc);
+ }
+ }
+ [Obsolete("use override without clientWidth parameter")]
+ protected void updateLocation (IContext gr, int clientWidth, ref CharLocation? location) {
+ if (location == null)
+ return;
+ CharLocation loc = location.Value;
+ updateLocation(gr, ref loc);
+ location = loc;
+ }
+ protected void updateLocation (IContext gr, ref CharLocation? location) {
+ if (location == null)
+ return;
+ CharLocation loc = location.Value;
+ updateLocation(gr, ref loc);
+ location = loc;
+ }
+ protected void updateLocation (IContext gr, ref CharLocation loc) {
+ if (loc.HasVisualX)
+ return;
+
+ ReadOnlySpan<char> curLine = buffer.GetText(buffer.GetLine (loc.Line));
+ if (loc.Column >= 0) {
+ //int encodedBytes = Crow.Text.Encoding2.ToUtf8 (curLine.Slice (0, loc.Column), bytes);
+#if DEBUG
+ if (loc.Column > curLine.Length) {
+ System.Diagnostics.Debug.WriteLine ($"loc.Column: {loc.Column} curLine.Length:{curLine.Length}");
+ loc.Column = curLine.Length;
+ }
+#endif
+ ReadOnlySpan<char> buff = curLine.Slice (0, loc.Column);
+ loc.TabulatedColumn = buff.Count('\t') * (tabSize-1) + buff.Length;
+ loc.VisualCharXPosition = gr.TextExtents (buff).XAdvance;
+ } else {
+ TextExtents te;
+ Span<byte> bytes = stackalloc byte[5];//utf8 single char buffer + '\0'
+ int totChar = 0;
+ double cPos = 0;
+
+ for (int i = 0; i < curLine.Length; i++) {
+ int encodedBytes = curLine.Slice (i, 1).ToUtf8 (bytes, ref totChar, tabSize);
+ bytes[encodedBytes] = 0;
+
+ gr.TextExtents (bytes, out te);
+ double halfWidth = te.XAdvance / 2;
+
+ if (loc.VisualCharXPosition <= cPos + halfWidth) {
+ loc.Column = i;
+ loc.VisualCharXPosition = cPos;
+ loc.TabulatedColumn = totChar;
+ return;
+ }
+
+ cPos += te.XAdvance;
+ }
+ loc.Column = curLine.Length;
+ loc.VisualCharXPosition = cPos;
+ loc.TabulatedColumn = totChar;
+ }
+ }
+ /*protected void updateLocation (IContext gr, int clientWidth, ref CharLocation? location) {
+ if (location == null)
+ return;
+ CharLocation loc = location.Value;
+ //Console.WriteLine ($"updateLocation: {loc} text:{_text.Length}");
+ if (loc.HasVisualX)
+ return;
+ if (loc.Column == 0) {
+ loc.VisualCharXPosition = 0;
+ } else {
+
+ TextLine ls = document.GetLine (loc.Line);
+ ReadOnlySpan<char> curLine = document.GetText (ls);
+ double cPos = 0;
+
+ if (loc.Column >= 0) {
+ //int encodedBytes = Crow.Text.Encoding2.ToUtf8 (curLine.Slice (0, loc.Column), bytes);
+ #if DEBUG
+ if (loc.Column > curLine.Length) {
+ System.Diagnostics.Debug.WriteLine ($"loc.Column: {loc.Column} curLine.Length:{curLine.Length}");
+ loc.Column = curLine.Length;
+ }
+ #endif
+ Span<byte> bytes = stackalloc byte[loc.Column*4+10];
+ int encodedBytes = curLine.Slice (0,loc.Column).ToUtf8 (bytes, 4);
+ bytes[encodedBytes++] = 0;
+ gr.TextExtents (bytes, out TextExtents te);
+ loc.VisualCharXPosition = te.XAdvance;
+ } else {
+ TextExtents te;
+ Span<byte> bytes = stackalloc byte[5];//utf8 single char buffer + '\0'
+
+ for (int i = 0; i < ls.Length; i++) {
+ int encodedBytes = curLine.Slice (i, 1).ToUtf8 (bytes);
+ bytes[encodedBytes] = 0;
+
+ gr.TextExtents (bytes, out te);
+ double halfWidth = te.XAdvance / 2;
+
+ if (loc.VisualCharXPosition <= cPos + halfWidth) {
+ loc.Column = i;
+ loc.VisualCharXPosition = cPos;
+ location = loc;
+ return;
+ }
+
+ cPos += te.XAdvance;
+ }
+ loc.Column = ls.Length;
+ loc.VisualCharXPosition = cPos;
+ }
+ }
+ location = loc;
+ }*/
+
+ protected void checkShift (KeyEventArgs e) {
+ if (e.Modifiers.HasFlag (Modifier.Shift)) {
+ if (!selectionStart.HasValue)
+ SelectionStart = CurrentLoc;
+ } else
+ SelectionStart = null;
+ }
+
+ #region GraphicObject overrides
+ public override void OnLayoutChanges (LayoutingType layoutType) {
+ base.OnLayoutChanges (layoutType);
+ updateMaxScrolls (layoutType);
+ }
+ /*public override bool UpdateLayout (LayoutingType layoutType) {
+ if ((LayoutingType.Sizing | layoutType) != LayoutingType.None) {
+ if (!System.Threading.Monitor.TryEnter (linesMutex))
+ return false;
+ }
+ try {
+ bool result = base.UpdateLayout (layoutType);
+ return result;
+ } finally {
+ System.Threading.Monitor.Exit (linesMutex);
+ }
+ }*/
+ public override int measureRawSize(LayoutingType lt)
+ {
+ DbgLogger.StartEvent(DbgEvtType.GOMeasure, this, lt);
+ try {
+ if (!textMeasureIsUpToDate) {
+ using (IContext gr = IFace.Backend.CreateContext (IFace.MainSurface)) {
+ gr.SelectFontFace (Font.Name, Font.Slant, Font.Wheight);
+ gr.SetFontSize (Font.Size);
+ measureTextBounds (gr);
+ }
+ }
+ return Margin * 2 + (lt == LayoutingType.Height ? cachedTextSize.Height : cachedTextSize.Width);
+ } finally {
+ DbgLogger.EndEvent(DbgEvtType.GOMeasure);
+ }
+ }
+ protected override void onDraw (IContext gr)
+ {
+ base.onDraw (gr);
+
+ gr.SelectFontFace (Font.Name, Font.Slant, Font.Wheight);
+ gr.SetFontSize (Font.Size);
+
+ if (!textMeasureIsUpToDate) {
+ measureTextBounds (gr);
+ }
+
+ if (ClipToClientRect) {
+ gr.Save ();
+ CairoHelpers.CairoRectangle (gr, ClientRectangle, CornerRadius);
+ gr.Clip ();
+ }
+
+ drawContent (gr);
+
+ if (ClipToClientRect)
+ gr.Restore ();
+ }
+ public override bool Paint(IContext ctx)
+ {
+ bool painted = base.Paint(ctx);
+ if (HasFocus && painted && IFace.drawTextCursor) {
+ DrawCursor(ctx, out Rectangle r);
+ }
+ return painted;
+ }
+ #endregion
+
+ #region Mouse handling
+ protected override void onFocused (object sender, EventArgs e)
+ {
+ base.onFocused (sender, e);
+
+ if (CurrentLoc == null)
+ CurrentLoc = new CharLocation (0, 0);
+
+ RegisterForRedraw ();
+ }
+ public override void onMouseEnter (object sender, MouseMoveEventArgs e) {
+ base.onMouseEnter (sender, e);
+ if (!Focusable)
+ return;
+ IFace.MouseCursor = MouseCursor.ibeam;
+ }
+ public override void onMouseMove (object sender, MouseMoveEventArgs e)
+ {
+ base.onMouseMove (sender, e);
+ mouseMove (e);
+ }
+ public override void onMouseWheel(object sender, MouseWheelEventArgs e)
+ {
+ base.onMouseWheel(sender, e);
+ mouseMove (e);
+ }
+ protected virtual void mouseMove (MouseEventArgs e) {
+ updateHoverLocation (ScreenPointToLocal (e.Position));
+
+ if (HasFocus && IFace.IsDown (MouseButton.Left)) {
+ CurrentLoc = hoverLoc;
+ autoAdjustScroll = true;
+ IFace.forceTextCursor();
+ RegisterForRedraw ();
+ }
+ }
+ public override void onMouseDown (object sender, MouseButtonEventArgs e)
+ {
+ if (!e.Handled && e.Button == Glfw.MouseButton.Left) {
+ targetColumn = -1;
+ if (HasFocus) {
+ if (!IFace.Shift)
+ SelectionStart = hoverLoc;
+ else if (!selectionStart.HasValue)
+ SelectionStart = CurrentLoc;
+ CurrentLoc = hoverLoc;
+ IFace.forceTextCursor();
+ RegisterForRedraw ();
+ e.Handled = true;
+ }
+ }
+ base.onMouseDown (sender, e);
+
+ //done at the end to set 'hasFocus' value after testing it
+ }
+ public override void onMouseUp (object sender, MouseButtonEventArgs e)
+ {
+ base.onMouseUp (sender, e);
+ if (e.Button != MouseButton.Left || !HasFocus || !selectionStart.HasValue)
+ return;
+ if (selectionStart.Value == CurrentLoc.Value)
+ SelectionStart = null;
+ }
+ public override void onMouseDoubleClick (object sender, MouseButtonEventArgs e)
+ {
+ base.onMouseDoubleClick (sender, e);
+ if (e.Button != MouseButton.Left || !HasFocus)
+ return;
+
+ SelectionStart = buffer.GetWordStart (CurrentLoc.Value);
+ CurrentLoc = buffer.GetWordEnd (CurrentLoc.Value);
+ RegisterForRedraw ();
+ }
+ #endregion
+
+ #region Keyboard handling
+ public override void onKeyPress (object sender, KeyPressEventArgs e) {
+ base.onKeyPress (sender, e);
+
+ if (!e.Handled) {
+ TextSpan selection = Selection;
+ update (new TextChange (selection.Start, selection.Length, e.KeyChar.ToString ()));
+
+ e.Handled = true;
+ }
+ /*Insert (e.KeyChar.ToString());
+
+ SelRelease = -1;
+ SelBegin = new Point(CurrentColumn, SelBegin.Y);
+
+ RegisterForGraphicUpdate();*/
+ }
+ public override void onKeyDown (object sender, KeyEventArgs e) {
+ Key key = e.Key;
+ TextSpan selection = Selection;
+
+ /*document.EnterReadLock();
+ try {*/
+ switch (key) {
+ case Key.Backspace:
+ if (selection.IsEmpty) {
+ if (selection.Start == 0)
+ return;
+ if (CurrentLoc.Value.Column == 0) {
+ int lbLength = buffer.GetLine (CurrentLoc.Value.Line - 1).LineBreakLength;
+ update (new TextChange (selection.Start - lbLength, lbLength, ""));
+ }else
+ update (new TextChange (selection.Start - 1, 1, ""));
+ } else
+ update (new TextChange (selection.Start, selection.Length, ""));
+ break;
+ case Key.Delete:
+ if (selection.IsEmpty) {
+ if (selection.Start == buffer.Length)
+ return;
+ if (CurrentLoc.Value.Column >= buffer.GetLine (CurrentLoc.Value.Line).Length)
+ update (new TextChange (selection.Start, buffer.GetLine (CurrentLoc.Value.Line).LineBreakLength, ""));
+ else
+ update (new TextChange (selection.Start, 1, ""));
+ } else {
+ if (e.Modifiers == Modifier.Shift)
+ IFace.Clipboard = SelectedText;
+ update (new TextChange (selection.Start, selection.Length, ""));
+ }
+ break;
+ case Key.Insert:
+ if (e.Modifiers.HasFlag (Modifier.Shift))
+ Paste ();
+ else if (e.Modifiers.HasFlag (Modifier.Control))
+ Copy ();
+ break;
+ case Key.KeypadEnter:
+ case Key.Enter:
+ update (new TextChange (selection.Start, selection.Length, buffer.GetLineBreak ()));
+ break;
+ case Key.Escape:
+ SelectionStart = null;
+ CurrentLoc = buffer.GetLocation (selection.Start);
+ RegisterForRedraw ();
+ break;
+ case Key.Tab:
+ update (new TextChange (selection.Start, selection.Length, "\t"));
+ break;
+ case Key.PageUp:
+ checkShift (e);
+ LineMove (-visibleLines);
+ RegisterForRedraw ();
+ break;
+ case Key.PageDown:
+ checkShift (e);
+ LineMove (visibleLines);
+ RegisterForRedraw ();
+ break;
+ case Key.Home:
+ targetColumn = -1;
+ checkShift (e);
+ if (e.Modifiers.HasFlag (Modifier.Control))
+ CurrentLoc = new CharLocation (0, 0);
+ else
+ CurrentLoc = new CharLocation (CurrentLoc.Value.Line, 0);
+ RegisterForRedraw ();
+ break;
+ case Key.End:
+ checkShift (e);
+ int l = e.Modifiers.HasFlag (Modifier.Control) ? buffer.LinesCount - 1 : CurrentLoc.Value.Line;
+ CurrentLoc = new CharLocation (l, buffer.GetLine (l).Length);
+ RegisterForRedraw ();
+ break;
+ case Key.Left:
+ checkShift (e);
+ if (e.Modifiers.HasFlag (Modifier.Control))
+ CurrentLoc = buffer.GetWordStart (CurrentLoc.Value);
+ else
+ MoveLeft ();
+ RegisterForRedraw ();
+ break;
+ case Key.Right:
+ checkShift (e);
+ if (e.Modifiers.HasFlag (Modifier.Control))
+ CurrentLoc = buffer.GetWordEnd (CurrentLoc.Value);
+ else
+ MoveRight ();
+ RegisterForRedraw ();
+ break;
+ case Key.Up:
+ checkShift (e);
+ LineMove (-1);
+ RegisterForRedraw ();
+ break;
+ case Key.Down:
+ checkShift (e);
+ LineMove (1);
+ RegisterForRedraw ();
+ break;
+ case Key.A:
+ if (e.Modifiers.HasFlag (Modifier.Control)) {
+ SelectionStart = new CharLocation (0, 0);
+ CurrentLoc = buffer.EndLocation;
+ }
+ break;
+ default:
+ base.onKeyDown (sender, e);
+ return;
+ }
+ autoAdjustScroll = true;
+ IFace.forceTextCursor();
+ e.Handled = true;
+ /*} finally {
+ document.ExitReadLock ();
+ }*/
+ }
+ #endregion
+ #endregion
+
+
+ #region textBox
+ protected bool autoAdjustScroll = false;//if scrollXY is changed directly, dont try adjust scroll to cursor
+ protected virtual RectangleD? computeTextCursor (Rectangle cursor) {
+ Rectangle cb = ClientRectangle;
+ cursor -= new Point (ScrollX, ScrollY);
+
+ if (autoAdjustScroll) {
+ autoAdjustScroll = false;
+ int goodMsrs = 0;
+ if (cursor.Left < 0)
+ ScrollX += cursor.Left;
+ else if (cursor.X > cb.Width)
+ ScrollX += cursor.X - cb.Width + 5;
+ else
+ goodMsrs++;
+
+ if (cursor.Y < 0)
+ ScrollY += cursor.Y;
+ else if (cursor.Bottom > cb.Height)
+ ScrollY += cursor.Bottom - cb.Height;
+ else
+ goodMsrs++;
+
+ if (goodMsrs < 2)
+ return null;
+ } else if (cursor.Right < 0 || cursor.X > cb.Width || cursor.Y < 0 || cursor.Bottom > cb.Height)
+ return null;
+
+ return cursor;
+ }
+
+ protected virtual void updateMaxScrolls (LayoutingType layout) {
+ Rectangle cb = ClientRectangle;
+ if (layout == LayoutingType.Width) {
+ MaxScrollX = cachedTextSize.Width - cb.Width;
+ NotifyValueChanged ("PageWidth", ClientRectangle.Width);
+ if (cachedTextSize.Width > 0)
+ NotifyValueChanged ("ChildWidthRatio", Math.Min (1.0, (double)cb.Width / cachedTextSize.Width));
+ } else if (layout == LayoutingType.Height) {
+ MaxScrollY = cachedTextSize.Height - cb.Height;
+ NotifyValueChanged ("PageHeight", ClientRectangle.Height);
+ if (cachedTextSize.Height > 0)
+ NotifyValueChanged ("ChildHeightRatio", Math.Min (1.0, (double)cb.Height / cachedTextSize.Height));
+ }
+ }
+ public virtual void Cut () {
+ TextSpan selection = Selection;
+ if (selection.IsEmpty)
+ return;
+ IFace.Clipboard = SelectedText;
+ update (new TextChange (selection.Start, selection.Length, ""));
+ }
+ public virtual void Copy () {
+ TextSpan selection = Selection;
+ if (selection.IsEmpty)
+ return;
+ IFace.Clipboard = SelectedText;
+ }
+ public virtual void Paste () {
+ TextSpan selection = Selection;
+ update (new TextChange (selection.Start, selection.Length, IFace.Clipboard));
+ }
+
+ protected virtual void update (TextChange change) {
+ buffer.Update(change);
+ if (!disableTextChangedEvent)
+ OnTextChanged (this, new TextChangeEventArgs (change));
+ if (HasFocus) {
+ SelectionStart = null;
+ CharLocation newLoc = change.ChangedText == null ?
+ buffer.GetLocation (change.Start) : buffer.GetLocation (change.Start + change.ChangedText.Length);
+ updateLocation(ref newLoc);//ensure tabulated column is uptodate on each changes
+ CurrentLoc = newLoc;
+ }
+ textMeasureIsUpToDate = false;
+ IFace.forceTextCursor();
+ autoAdjustScroll = true;
+
+ RegisterForGraphicUpdate ();
+ }
+
+ #endregion
+ }
+}
--- /dev/null
+<?xml version="1.0"?>
+<Wrapper>
+ <Label2 Text="{MultilineText}" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="{MultilineText}" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="{MultilineText}" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="{MultilineText}" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
+ <Label2 Text="this is a test labeel" Background="Blue" Foreground="WhiteSmoke" Margin="10" Width="Fit" Height="Fit" Focusable="true"/>
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+</Wrapper>
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