void CopyData(TextEditorData data, Selection selection)
{
if (!selection.IsEmpty && data != null && data.Document != null)
{
this.docStyle = data.ColorStyle;
this.options = data.Options;
copyData = null;
switch (selection.SelectionMode)
{
case SelectionMode.Normal:
isBlockMode = false;
var segment = selection.GetSelectionRange(data);
copiedColoredChunks = ColoredSegment.GetChunks(data, segment);
var pasteHandler = data.TextPasteHandler;
if (pasteHandler != null)
{
try
{
copyData = pasteHandler.GetCopyData(segment);
}
catch (Exception e)
{
Console.WriteLine("Exception while getting copy data:" + e);
}
}
break;
case SelectionMode.Block:
isBlockMode = true;
DocumentLocation visStart = data.LogicalToVisualLocation(selection.Anchor);
DocumentLocation visEnd = data.LogicalToVisualLocation(selection.Lead);
int startCol = System.Math.Min(visStart.Column, visEnd.Column);
int endCol = System.Math.Max(visStart.Column, visEnd.Column);
copiedColoredChunks = new List <List <ColoredSegment> >();
for (int lineNr = selection.MinLine; lineNr <= selection.MaxLine; lineNr++)
{
DocumentLine curLine = data.Document.GetLine(lineNr);
int col1 = curLine.GetLogicalColumn(data, startCol) - 1;
int col2 = System.Math.Min(curLine.GetLogicalColumn(data, endCol) - 1, curLine.Length);
if (col1 < col2)
{
copiedColoredChunks.Add(ColoredSegment.GetChunks(data, new TextSegment(curLine.Offset + col1, col2 - col1)).First());
}
else
{
copiedColoredChunks.Add(new List <ColoredSegment>());
}
}
break;
}
}
else
{
copiedColoredChunks = null;
}
}
int DrawLinePortion(Context cr, ChunkStyle style, TextLayout layout, DocumentLine line, int visualOffset, int logicalLength)
{
int logicalColumn = line.GetLogicalColumn(editor, visualOffset);
int logicalEndColumn = logicalColumn + logicalLength;
int visualEndOffset = line.GetVisualColumn(editor, logicalEndColumn);
int visualLength = visualEndOffset - visualOffset;
int indexOffset = visualOffset - 1;
layout.SetFontStyle(style.FontStyle, indexOffset, visualLength);
layout.SetFontWeight(style.FontWeight, indexOffset, visualLength);
if (style.Underline)
layout.SetUnderline(indexOffset, visualLength);
layout.SetForeground(style.Foreground, indexOffset, visualLength);
return visualEndOffset;
}
public LayoutWrapper CreateLinePartLayout (ISyntaxMode mode, DocumentLine line, int logicalRulerColumn, int offset, int length, int selectionStart, int selectionEnd)
{
bool containsPreedit = textEditor.ContainsPreedit (offset, length);
LayoutDescriptor descriptor;
if (!containsPreedit && layoutDict.TryGetValue (line, out descriptor)) {
bool isInvalid;
if (descriptor.Equals (line, offset, length, selectionStart, selectionEnd, out isInvalid) && descriptor.Layout != null) {
return descriptor.Layout;
}
descriptor.Dispose ();
layoutDict.Remove (line);
}
var wrapper = new LayoutWrapper (PangoUtil.CreateLayout (textEditor));
wrapper.IsUncached = containsPreedit;
if (logicalRulerColumn < 0)
logicalRulerColumn = line.GetLogicalColumn (textEditor.GetTextEditorData (), textEditor.Options.RulerColumn);
var atts = new FastPangoAttrList ();
wrapper.Layout.Alignment = Pango.Alignment.Left;
wrapper.Layout.FontDescription = textEditor.Options.Font;
wrapper.Layout.Tabs = tabArray;
if (textEditor.Options.WrapLines) {
wrapper.Layout.Wrap = Pango.WrapMode.WordChar;
wrapper.Layout.Width = (int)((textEditor.Allocation.Width - XOffset - TextStartPosition) * Pango.Scale.PangoScale);
}
StringBuilder textBuilder = new StringBuilder ();
var chunks = GetCachedChunks (mode, Document, textEditor.ColorStyle, line, offset, length);
wrapper.Chunks = chunks;
foreach (var chunk in chunks) {
try {
textBuilder.Append (Document.GetTextAt (chunk));
} catch {
Console.WriteLine (chunk);
}
}
int lineOffset = line.Offset;
string lineText = textBuilder.ToString ();
uint preeditLength = 0;
if (containsPreedit) {
if (textEditor.GetTextEditorData ().IsCaretInVirtualLocation) {
lineText = textEditor.GetTextEditorData ().GetIndentationString (textEditor.Caret.Location) + textEditor.preeditString;
} else {
lineText = lineText.Insert (textEditor.preeditOffset - offset, textEditor.preeditString);
}
preeditLength = (uint)textEditor.preeditString.Length;
}
char[] lineChars = lineText.ToCharArray ();
//int startOffset = offset, endOffset = offset + length;
uint curIndex = 0, byteIndex = 0;
uint curChunkIndex = 0, byteChunkIndex = 0;
uint oldEndIndex = 0;
foreach (Chunk chunk in chunks) {
ChunkStyle chunkStyle = chunk != null ? textEditor.ColorStyle.GetChunkStyle (chunk) : null;
foreach (TextLineMarker marker in line.Markers)
chunkStyle = marker.GetStyle (chunkStyle);
if (chunkStyle != null) {
//startOffset = chunk.Offset;
//endOffset = chunk.EndOffset;
uint startIndex = (uint)(oldEndIndex);
uint endIndex = (uint)(startIndex + chunk.Length);
oldEndIndex = endIndex;
var markers = Document.GetTextSegmentMarkersAt (line).Where (m => m.IsVisible).ToArray ();
HandleSelection (lineOffset, logicalRulerColumn, selectionStart, selectionEnd, chunk.Offset, chunk.EndOffset, delegate(int start, int end) {
if (containsPreedit) {
if (textEditor.preeditOffset < start)
start += (int)preeditLength;
if (textEditor.preeditOffset < end)
end += (int)preeditLength;
}
var si = TranslateToUTF8Index (lineChars, (uint)(startIndex + start - chunk.Offset), ref curIndex, ref byteIndex);
var ei = TranslateToUTF8Index (lineChars, (uint)(startIndex + end - chunk.Offset), ref curIndex, ref byteIndex);
var color = ColorStyle.GetForeground (chunkStyle);
foreach (var marker in markers) {
var chunkMarker = marker as IChunkMarker;
if (chunkMarker == null)
continue;
chunkMarker.ChangeForeColor (textEditor, chunk, ref color);
}
atts.AddForegroundAttribute ((HslColor)color, si, ei);
if (!chunkStyle.TransparentBackground && GetPixel (ColorStyle.PlainText.Background) != GetPixel (chunkStyle.Background)) {
wrapper.AddBackground (chunkStyle.Background, (int)si, (int)ei);
} else if (chunk.SpanStack != null && ColorStyle != null) {
foreach (var span in chunk.SpanStack) {
if (span == null || string.IsNullOrEmpty (span.Color))
continue;
var spanStyle = ColorStyle.GetChunkStyle (span.Color);
if (spanStyle != null && !spanStyle.TransparentBackground && GetPixel (ColorStyle.PlainText.Background) != GetPixel (spanStyle.Background)) {
wrapper.AddBackground (spanStyle.Background, (int)si, (int)ei);
break;
}
}
}
}, delegate(int start, int end) {
if (containsPreedit) {
if (textEditor.preeditOffset < start)
start += (int)preeditLength;
if (textEditor.preeditOffset < end)
end += (int)preeditLength;
}
var si = TranslateToUTF8Index (lineChars, (uint)(startIndex + start - chunk.Offset), ref curIndex, ref byteIndex);
var ei = TranslateToUTF8Index (lineChars, (uint)(startIndex + end - chunk.Offset), ref curIndex, ref byteIndex);
var color = !SelectionColor.TransparentForeground ? SelectionColor.Foreground : ColorStyle.GetForeground (chunkStyle);
foreach (var marker in markers) {
var chunkMarker = marker as IChunkMarker;
if (chunkMarker == null)
continue;
chunkMarker.ChangeForeColor (textEditor, chunk, ref color);
}
atts.AddForegroundAttribute ((HslColor)color, si, ei);
if (!wrapper.StartSet)
wrapper.SelectionStartIndex = (int)si;
wrapper.SelectionEndIndex = (int)ei;
});
var translatedStartIndex = TranslateToUTF8Index (lineChars, (uint)startIndex, ref curChunkIndex, ref byteChunkIndex);
var translatedEndIndex = TranslateToUTF8Index (lineChars, (uint)endIndex, ref curChunkIndex, ref byteChunkIndex);
if (chunkStyle.FontWeight != Xwt.Drawing.FontWeight.Normal)
atts.AddWeightAttribute ((Pango.Weight)chunkStyle.FontWeight, translatedStartIndex, translatedEndIndex);
if (chunkStyle.FontStyle != Xwt.Drawing.FontStyle.Normal)
atts.AddStyleAttribute ((Pango.Style)chunkStyle.FontStyle, translatedStartIndex, translatedEndIndex);
if (chunkStyle.Underline)
atts.AddUnderlineAttribute (Pango.Underline.Single, translatedStartIndex, translatedEndIndex);
}
}
if (containsPreedit) {
var si = TranslateToUTF8Index (lineChars, (uint)(textEditor.preeditOffset - offset), ref curIndex, ref byteIndex);
var ei = TranslateToUTF8Index (lineChars, (uint)(textEditor.preeditOffset - offset + preeditLength), ref curIndex, ref byteIndex);
if (textEditor.GetTextEditorData ().IsCaretInVirtualLocation) {
uint len = (uint)textEditor.GetTextEditorData ().GetIndentationString (textEditor.Caret.Location).Length;
si += len;
ei += len;
}
atts.AddForegroundAttribute ((HslColor)ColorStyle.PlainText.Foreground, si, ei);
var hasBackground = wrapper.BackgroundColors.Any (bg => bg.FromIdx <= si && bg.ToIdx >= ei);
if (hasBackground)
atts.AddBackgroundAttribute ((HslColor)ColorStyle.PlainText.Background, si, ei);
atts.InsertOffsetList (textEditor.preeditAttrs, si, ei);
}
wrapper.LineChars = lineChars;
wrapper.Layout.SetText (lineText);
wrapper.IndentSize = 0;
for (int i = 0; i < lineChars.Length; i++) {
char ch = lineChars [i];
if (ch == ' ') {
wrapper.IndentSize ++;
} else if (ch == '\t') {
wrapper.IndentSize = GetNextTabstop (textEditor.GetTextEditorData (), wrapper.IndentSize);
} else {
break;
}
}
var nextLine = line.NextLine;
wrapper.EolSpanStack = nextLine != null ? nextLine.StartSpan : null;
atts.AssignTo (wrapper.Layout);
atts.Dispose ();
int w, h;
wrapper.Layout.GetSize (out w, out h);
wrapper.PangoWidth = w;
selectionStart = System.Math.Max (line.Offset - 1, selectionStart);
selectionEnd = System.Math.Min (line.EndOffsetIncludingDelimiter + 1, selectionEnd);
descriptor = new LayoutDescriptor (line, offset, length, wrapper, selectionStart, selectionEnd);
if (!containsPreedit)
layoutDict [line] = descriptor;
//textEditor.GetTextEditorData ().HeightTree.SetLineHeight (line.LineNumber, System.Math.Max (LineHeight, System.Math.Floor (h / Pango.Scale.PangoScale)));
return wrapper;
}
void GetSelectionOffsets (DocumentLine line, out int selectionStart, out int selectionEnd)
{
selectionStart = -1;
selectionEnd = -1;
if (textEditor.IsSomethingSelected) {
TextSegment segment = textEditor.SelectionRange;
selectionStart = segment.Offset;
selectionEnd = segment.EndOffset;
if (textEditor.SelectionMode == SelectionMode.Block) {
DocumentLocation start = textEditor.MainSelection.Anchor;
DocumentLocation end = textEditor.MainSelection.Lead;
DocumentLocation visStart = textEditor.LogicalToVisualLocation (start);
DocumentLocation visEnd = textEditor.LogicalToVisualLocation (end);
int lineOffset = line.Offset;
int lineNumber = line.LineNumber;
if (textEditor.MainSelection.MinLine <= lineNumber && lineNumber <= textEditor.MainSelection.MaxLine) {
selectionStart = lineOffset + line.GetLogicalColumn (this.textEditor.GetTextEditorData (), System.Math.Min (visStart.Column, visEnd.Column)) - 1;
selectionEnd = lineOffset + line.GetLogicalColumn (this.textEditor.GetTextEditorData (), System.Math.Max (visStart.Column, visEnd.Column)) - 1;
}
}
}
}
public double ColumnToX (DocumentLine line, int column)
{
column--;
// calculate virtual indentation
if (column > 0 && line.Length == 0 && textEditor.GetTextEditorData ().HasIndentationTracker) {
using (var l = PangoUtil.CreateLayout (textEditor, textEditor.GetTextEditorData ().IndentationTracker.GetIndentationString (line.Offset))) {
l.Alignment = Pango.Alignment.Left;
l.FontDescription = textEditor.Options.Font;
l.Tabs = tabArray;
Pango.Rectangle ink_rect, logical_rect;
l.GetExtents (out ink_rect, out logical_rect);
return (logical_rect.Width + Pango.Scale.PangoScale - 1) / Pango.Scale.PangoScale;
}
}
if (line == null || line.Length == 0 || column < 0)
return 0;
int logicalRulerColumn = line.GetLogicalColumn (textEditor.GetTextEditorData (), textEditor.Options.RulerColumn);
int lineOffset = line.Offset;
StringBuilder textBuilder = new StringBuilder ();
ISyntaxMode mode = Document.SyntaxMode != null && textEditor.Options.EnableSyntaxHighlighting ? Document.SyntaxMode : new SyntaxMode (Document);
var startChunk = GetCachedChunks (mode, Document, textEditor.ColorStyle, line, lineOffset, line.Length);
foreach (Chunk chunk in startChunk) {
try {
textBuilder.Append (Document.GetTextAt (chunk));
} catch (Exception e) {
Console.WriteLine (e);
return 0;
}
}
string lineText = textBuilder.ToString ();
char[] lineChars = lineText.ToCharArray ();
bool containsPreedit = textEditor.ContainsPreedit (lineOffset, line.Length);
uint preeditLength = 0;
if (containsPreedit) {
lineText = lineText.Insert (textEditor.preeditOffset - lineOffset, textEditor.preeditString);
preeditLength = (uint)textEditor.preeditString.Length;
}
if (column < lineText.Length)
lineText = lineText.Substring (0, column);
var layout = PangoUtil.CreateLayout (textEditor, lineText);
layout.Alignment = Pango.Alignment.Left;
layout.FontDescription = textEditor.Options.Font;
layout.Tabs = tabArray;
int startOffset = lineOffset, endOffset = lineOffset + line.Length;
uint curIndex = 0, byteIndex = 0;
uint curChunkIndex = 0, byteChunkIndex = 0;
List<Pango.Attribute> attributes = new List<Pango.Attribute> ();
uint oldEndIndex = 0;
Cairo.Color curFgColor = textEditor.ColorStyle.PlainText.Foreground;
Cairo.Color curBgColor = textEditor.ColorStyle.PlainText.Background;
var curWeight = Xwt.Drawing.FontWeight.Normal;
var curStyle = Xwt.Drawing.FontStyle.Normal;
foreach (Chunk chunk in startChunk) {
ChunkStyle chunkStyle = chunk != null ? textEditor.ColorStyle.GetChunkStyle (chunk) : null;
foreach (TextLineMarker marker in line.Markers)
chunkStyle = marker.GetStyle (chunkStyle);
if (chunkStyle != null) {
startOffset = chunk.Offset;
endOffset = chunk.EndOffset;
uint startIndex = (uint)(oldEndIndex);
uint endIndex = (uint)(startIndex + chunk.Length);
oldEndIndex = endIndex;
if (containsPreedit) {
if (textEditor.preeditOffset < startOffset)
startIndex += preeditLength;
if (textEditor.preeditOffset < endOffset)
endIndex += preeditLength;
}
HandleSelection (lineOffset, logicalRulerColumn, - 1, -1, chunk.Offset, chunk.EndOffset, delegate(int start, int end) {
var color = textEditor.ColorStyle.GetForeground (chunkStyle);
var si = TranslateToUTF8Index (lineChars, (uint)(startIndex + start - chunk.Offset), ref curIndex, ref byteIndex);
var ei = TranslateToUTF8Index (lineChars, (uint)(startIndex + end - chunk.Offset), ref curIndex, ref byteIndex);
if (!color.Equals (curFgColor)) {
curFgColor = color;
var foreGround = new Pango.AttrForeground (
(ushort)(color.R * ushort.MaxValue),
(ushort)(color.G * ushort.MaxValue),
(ushort)(color.B * ushort.MaxValue));
foreGround.StartIndex = si;
foreGround.EndIndex = ei;
attributes.Add (foreGround);
}
if (!chunkStyle.TransparentBackground) {
color = chunkStyle.Background;
if (!color.Equals (curBgColor)) {
var background = new Pango.AttrBackground (
(ushort)(color.R * ushort.MaxValue),
(ushort)(color.G * ushort.MaxValue),
(ushort)(color.B * ushort.MaxValue));
background.StartIndex = si;
background.EndIndex = ei;
attributes.Add (background);
}
}
}, delegate(int start, int end) {
Pango.AttrForeground selectedForeground;
if (!SelectionColor.TransparentForeground) {
var color = SelectionColor.Foreground;
if (color.Equals (curFgColor))
return;
curFgColor = color;
selectedForeground = new Pango.AttrForeground (
(ushort)(color.R * ushort.MaxValue),
(ushort)(color.G * ushort.MaxValue),
(ushort)(color.B * ushort.MaxValue));
} else {
var color = ColorStyle.GetForeground (chunkStyle);
if (color.Equals (curFgColor))
return;
curFgColor = color;
selectedForeground = new Pango.AttrForeground (
(ushort)(color.R * ushort.MaxValue),
(ushort)(color.G * ushort.MaxValue),
(ushort)(color.B * ushort.MaxValue));
}
selectedForeground.StartIndex = TranslateToUTF8Index (lineChars, (uint)(startIndex + start - chunk.Offset), ref curIndex, ref byteIndex);
selectedForeground.EndIndex = TranslateToUTF8Index (lineChars, (uint)(startIndex + end - chunk.Offset), ref curIndex, ref byteIndex);
attributes.Add (selectedForeground);
});
var translatedStartIndex = TranslateToUTF8Index (lineChars, (uint)startIndex, ref curChunkIndex, ref byteChunkIndex);
var translatedEndIndex = TranslateToUTF8Index (lineChars, (uint)endIndex, ref curChunkIndex, ref byteChunkIndex);
if (chunkStyle.FontWeight != curWeight) {
curWeight = chunkStyle.FontWeight;
var attrWeight = new Pango.AttrWeight ((Pango.Weight)chunkStyle.FontWeight);
attrWeight.StartIndex = translatedStartIndex;
attrWeight.EndIndex = translatedEndIndex;
attributes.Add (attrWeight);
}
if (chunkStyle.FontStyle != curStyle) {
curStyle = chunkStyle.FontStyle;
Pango.AttrStyle attrStyle = new Pango.AttrStyle ((Pango.Style)chunkStyle.FontStyle);
attrStyle.StartIndex = translatedStartIndex;
attrStyle.EndIndex = translatedEndIndex;
attributes.Add (attrStyle);
}
if (chunkStyle.Underline) {
var attrUnderline = new Pango.AttrUnderline (Pango.Underline.Single);
attrUnderline.StartIndex = translatedStartIndex;
attrUnderline.EndIndex = translatedEndIndex;
attributes.Add (attrUnderline);
}
}
}
Pango.AttrList attributeList = new Pango.AttrList ();
attributes.ForEach (attr => attributeList.Insert (attr));
layout.Attributes = attributeList;
Pango.Rectangle inkrect, logicalrect;
layout.GetExtents (out inkrect, out logicalrect);
attributes.ForEach (attr => attr.Dispose ());
attributeList.Dispose ();
layout.Dispose ();
return (logicalrect.Width + Pango.Scale.PangoScale - 1) / Pango.Scale.PangoScale;
}
public DocumentLocation PointToLocation (double xp, double yp, bool endAtEol = false)
{
lineNumber = System.Math.Min (margin.YToLine (yp + margin.textEditor.VAdjustment.Value), margin.Document.LineCount);
line = lineNumber <= margin.Document.LineCount ? margin.Document.GetLine (lineNumber) : null;
if (line == null)
return DocumentLocation.Empty;
int offset = line.Offset;
xp -= margin.TextStartPosition;
xp += margin.textEditor.HAdjustment.Value;
xp *= Pango.Scale.PangoScale;
if (xp < 0)
return new DocumentLocation (lineNumber, DocumentLocation.MinColumn);
int column = DocumentLocation.MinColumn;
ISyntaxMode mode = margin.Document.SyntaxMode != null && margin.textEditor.Options.EnableSyntaxHighlighting ? margin.Document.SyntaxMode : new SyntaxMode (margin.Document);
IEnumerable<FoldSegment> foldings = margin.Document.GetStartFoldings (line);
bool done = false;
Pango.Layout measueLayout = null;
try {
restart:
int logicalRulerColumn = line.GetLogicalColumn (margin.textEditor.GetTextEditorData (), margin.textEditor.Options.RulerColumn);
foreach (FoldSegment folding in foldings.Where(f => f.IsFolded)) {
int foldOffset = folding.StartLine.Offset + folding.Column - 1;
if (foldOffset < offset)
continue;
layoutWrapper = margin.CreateLinePartLayout (mode, line, logicalRulerColumn, line.Offset, foldOffset - offset, -1, -1);
done |= ConsumeLayout ((int)(xp - xPos), 0);
if (done)
break;
int height, width;
layoutWrapper.Layout.GetPixelSize (out width, out height);
xPos += width * (int)Pango.Scale.PangoScale;
if (measueLayout == null) {
measueLayout = PangoUtil.CreateLayout (margin.textEditor, folding.Description);
measueLayout.FontDescription = margin.textEditor.Options.Font;
}
int delta;
measueLayout.GetPixelSize (out delta, out height);
delta *= (int)Pango.Scale.PangoScale;
xPos += delta;
if (xPos - delta / 2 >= xp) {
index = foldOffset - offset;
done = true;
break;
}
offset = folding.EndLine.Offset + folding.EndColumn - 1;
DocumentLocation foldingEndLocation = margin.Document.OffsetToLocation (offset);
lineNumber = foldingEndLocation.Line;
column = foldingEndLocation.Column;
if (xPos >= xp) {
index = 0;
done = true;
break;
}
if (folding.EndLine != line) {
line = folding.EndLine;
foldings = margin.Document.GetStartFoldings (line);
goto restart;
}
}
if (!done) {
layoutWrapper = margin.CreateLinePartLayout (mode, line, logicalRulerColumn, offset, line.Offset + line.Length - offset, -1, -1);
if (!ConsumeLayout ((int)(xp - xPos), 0)) {
if (endAtEol)
return DocumentLocation.Empty;
}
}
} finally {
if (measueLayout != null)
measueLayout.Dispose ();
}
return new DocumentLocation (lineNumber, column + index);
}
protected internal override void Draw (Cairo.Context cr, Cairo.Rectangle area, DocumentLine line, int lineNr, double x, double y, double _lineHeight)
{
// double xStart = System.Math.Max (area.X, XOffset);
// xStart = System.Math.Max (0, xStart);
var correctedXOffset = System.Math.Floor (XOffset) - 1;
var lineArea = new Cairo.Rectangle (correctedXOffset, y, textEditor.Allocation.Width - correctedXOffset, _lineHeight);
int width, height;
double pangoPosition = (x - textEditor.HAdjustment.Value + TextStartPosition) * Pango.Scale.PangoScale;
defaultBgColor = Document.ReadOnly ? ColorStyle.BackgroundReadOnly.Color : ColorStyle.PlainText.Background;
// Draw the default back color for the whole line. Colors other than the default
// background will be drawn when rendering the text chunks.
if (BackgroundRenderer == null)
DrawRectangleWithRuler (cr, x, lineArea, defaultBgColor, true);
bool isSelectionDrawn = false;
// Check if line is beyond the document length
if (line == null) {
var marker = Document.GetExtendingTextMarker (lineNr);
if (marker != null)
marker.Draw (textEditor, cr, lineNr, lineArea);
return;
}
IEnumerable<FoldSegment> foldings = Document.GetStartFoldings (line);
int offset = line.Offset;
int caretOffset = Caret.Offset;
bool isEolFolded = false;
restart:
int logicalRulerColumn = line.GetLogicalColumn (textEditor.GetTextEditorData (), textEditor.Options.RulerColumn);
if ((HighlightCaretLine || textEditor.Options.HighlightCaretLine) && Caret.Line == lineNr)
DrawCaretLineMarker (cr, x, y, TextStartPosition, _lineHeight);
foreach (FoldSegment folding in foldings) {
int foldOffset = folding.StartLine.Offset + folding.Column - 1;
if (foldOffset < offset)
continue;
if (folding.IsFolded) {
DrawLinePart (cr, line, lineNr, logicalRulerColumn, offset, foldOffset - offset, ref pangoPosition, ref isSelectionDrawn, y, area.X + area.Width, _lineHeight);
offset = folding.EndLine.Offset + folding.EndColumn - 1;
markerLayout.SetText (folding.Description);
markerLayout.GetSize (out width, out height);
bool isFoldingSelected = !this.HideSelection && textEditor.IsSomethingSelected && textEditor.SelectionRange.Contains (folding.Segment);
double pixelX = 0.5 + System.Math.Floor (pangoPosition / Pango.Scale.PangoScale);
double foldXMargin = foldMarkerXMargin * textEditor.Options.Zoom;
double pixelWidth = System.Math.Floor ((pangoPosition + width) / Pango.Scale.PangoScale - pixelX + foldXMargin * 2);
var foldingRectangle = new Cairo.Rectangle (
pixelX,
y,
pixelWidth,
this.LineHeight);
if (BackgroundRenderer == null && isFoldingSelected) {
cr.Color = SelectionColor.Background;
cr.Rectangle (foldingRectangle);
cr.Fill ();
}
if (isFoldingSelected && SelectionColor.TransparentForeground) {
cr.Color = ColorStyle.CollapsedText.Foreground;
} else {
cr.Color = isFoldingSelected ? SelectionColor.Foreground : ColorStyle.CollapsedText.Foreground;
}
var boundingRectangleHeight = foldingRectangle.Height - 1;
var boundingRectangleY = System.Math.Floor (foldingRectangle.Y + (foldingRectangle.Height - boundingRectangleHeight) / 2);
RoundedRectangle (cr,
System.Math.Floor (foldingRectangle.X) + 0.5,
boundingRectangleY + 0.5,
System.Math.Floor (foldingRectangle.Width - cr.LineWidth),
System.Math.Floor (boundingRectangleHeight - cr.LineWidth),
LineHeight / 8, CairoCorners.All, false);
cr.Stroke ();
cr.Save ();
cr.Translate (
pangoPosition / Pango.Scale.PangoScale + foldXMargin,
System.Math.Floor (boundingRectangleY + (boundingRectangleHeight - System.Math.Floor (height / Pango.Scale.PangoScale)) / 2));
cr.ShowLayout (markerLayout);
cr.Restore ();
if (caretOffset == foldOffset && !string.IsNullOrEmpty (folding.Description)) {
var cx = (int)(pangoPosition / Pango.Scale.PangoScale);
SetVisibleCaretPosition (cx, y, cx, y);
}
pangoPosition += foldingRectangle.Width * Pango.Scale.PangoScale;
if (caretOffset == foldOffset + folding.Length && !string.IsNullOrEmpty (folding.Description)) {
var cx = (int)(pangoPosition / Pango.Scale.PangoScale);
SetVisibleCaretPosition (cx, y, cx, y);
}
if (folding.EndLine != line) {
line = folding.EndLine;
lineNr = line.LineNumber;
foldings = Document.GetStartFoldings (line);
isEolFolded = line.Length <= folding.EndColumn;
goto restart;
}
isEolFolded = line.Length <= folding.EndColumn;
}
}
// Draw remaining line - must be called for empty line parts as well because the caret may be at this positon
// and the caret position is calculated in DrawLinePart.
if (line.EndOffsetIncludingDelimiter - offset >= 0) {
DrawLinePart (cr, line, lineNr, logicalRulerColumn, offset, line.Offset + line.Length - offset, ref pangoPosition, ref isSelectionDrawn, y, area.X + area.Width, _lineHeight);
}
bool isEolSelected = !this.HideSelection && textEditor.IsSomethingSelected && textEditor.SelectionMode == SelectionMode.Normal && textEditor.SelectionRange.Contains (line.Offset + line.Length);
var lx = (int)(pangoPosition / Pango.Scale.PangoScale);
lineArea = new Cairo.Rectangle (lx,
lineArea.Y,
textEditor.Allocation.Width - lx,
lineArea.Height);
if (textEditor.SelectionMode == SelectionMode.Block && textEditor.IsSomethingSelected && textEditor.SelectionRange.Contains (line.Offset + line.Length)) {
DocumentLocation start = textEditor.MainSelection.Anchor;
DocumentLocation end = textEditor.MainSelection.Lead;
DocumentLocation visStart = textEditor.LogicalToVisualLocation (start);
DocumentLocation visEnd = textEditor.LogicalToVisualLocation (end);
double x1 = this.ColumnToX (line, visStart.Column);
double x2 = this.ColumnToX (line, visEnd.Column);
if (x1 > x2) {
var tmp = x1;
x1 = x2;
x2 = tmp;
}
x1 += correctedXOffset - textEditor.HAdjustment.Value;
x2 += correctedXOffset - textEditor.HAdjustment.Value;
if (x2 > lineArea.X && BackgroundRenderer == null) {
if (x1 - lineArea.X > 0) {
DrawRectangleWithRuler (cr, x, new Cairo.Rectangle (lineArea.X, lineArea.Y, x1 - lineArea.X, lineArea.Height), defaultBgColor, false);
lineArea = new Cairo.Rectangle (x1, lineArea.Y, lineArea.Width, lineArea.Height);
}
DrawRectangleWithRuler (cr, x, new Cairo.Rectangle (lineArea.X, lineArea.Y, x2 - lineArea.X, lineArea.Height), this.SelectionColor.Background, false);
lineArea = new Cairo.Rectangle (x2, lineArea.Y, textEditor.Allocation.Width - lineArea.X, lineArea.Height);
}
}
if (!isSelectionDrawn && BackgroundRenderer == null) {
if (isEolSelected) {
// prevent "gaps" in the selection drawing ('fuzzy' lines problem)
var eolStartX = System.Math.Floor (pangoPosition / Pango.Scale.PangoScale);
lineArea = new Cairo.Rectangle (
eolStartX,
lineArea.Y,
textEditor.Allocation.Width - eolStartX,
lineArea.Height);
DrawRectangleWithRuler (cr, x, lineArea, this.SelectionColor.Background, false);
if (line.Length == 0)
DrawIndent (cr, GetLayout (line), line, lx, y);
} else if (!(HighlightCaretLine || textEditor.Options.HighlightCaretLine) || Caret.Line != lineNr) {
LayoutWrapper wrapper = GetLayout (line);
if (wrapper.EolSpanStack != null) {
foreach (var span in wrapper.EolSpanStack) {
var spanStyle = textEditor.ColorStyle.GetChunkStyle (span.Color);
if (spanStyle == null)
continue;
if (!spanStyle.TransparentBackground && GetPixel (ColorStyle.PlainText.Background) != GetPixel (spanStyle.Background)) {
DrawRectangleWithRuler (cr, x, lineArea, spanStyle.Background, false);
break;
}
}
}
} else {
double xPos = pangoPosition / Pango.Scale.PangoScale;
DrawCaretLineMarker (cr, xPos, y, lineArea.X + lineArea.Width - xPos, _lineHeight);
}
}
if (textEditor.Options.ShowWhitespaces != ShowWhitespaces.Never) {
if (!isEolFolded && isEolSelected || textEditor.Options.ShowWhitespaces == ShowWhitespaces.Always)
if (!(BackgroundRenderer != null && textEditor.Options.ShowWhitespaces == ShowWhitespaces.Selection))
DrawEolMarker (cr, line, isEolSelected, pangoPosition / Pango.Scale.PangoScale, y);
}
var extendingMarker = Document.GetExtendingTextMarker (lineNr);
if (extendingMarker != null)
extendingMarker.Draw (textEditor, cr, lineNr, lineArea);
if (BackgroundRenderer == null) {
var metrics = new EndOfLineMetrics {
LineSegment = line,
TextRenderEndPosition = TextStartPosition + pangoPosition / Pango.Scale.PangoScale,
LineHeight = _lineHeight
};
foreach (var marker in line.Markers) {
marker.DrawAfterEol (textEditor, cr, y, metrics);
}
}
lastLineRenderWidth = pangoPosition / Pango.Scale.PangoScale;
if (textEditor.HAdjustment.Value > 0) {
cr.LineWidth = textEditor.Options.Zoom;
for (int i = 0; i < verticalShadowAlphaTable.Length; i++) {
cr.Color = new Cairo.Color (0, 0, 0, 1 - verticalShadowAlphaTable[i]);
cr.MoveTo (x + i * cr.LineWidth + 0.5, y);
cr.LineTo (x + i * cr.LineWidth + 0.5, y + 1 + _lineHeight);
cr.Stroke ();
}
}
}
void CopyData(TextEditorData data, Selection selection)
{
copiedDocument = null;
monoDocument = null;
if (selection != null && data != null && data.Document != null)
{
copiedDocument = new TextDocument();
monoDocument = new TextDocument();
this.docStyle = data.ColorStyle;
this.options = data.Options;
this.mode = SyntaxModeService.GetSyntaxMode(monoDocument, data.MimeType);
switch (selection.SelectionMode)
{
case SelectionMode.Normal:
isBlockMode = false;
var segment = selection.GetSelectionRange(data);
var text = data.GetTextAt(segment);
copiedDocument.Text = text;
monoDocument.Text = text;
var line = data.Document.GetLineByOffset(segment.Offset);
var spanStack = line.StartSpan.Clone();
SyntaxModeService.ScanSpans(data.Document, this.mode as SyntaxMode, this.mode as SyntaxMode, spanStack, line.Offset, segment.Offset);
this.copiedDocument.GetLine(DocumentLocation.MinLine).StartSpan = spanStack;
break;
case SelectionMode.Block:
isBlockMode = true;
DocumentLocation visStart = data.LogicalToVisualLocation(selection.Anchor);
DocumentLocation visEnd = data.LogicalToVisualLocation(selection.Lead);
int startCol = System.Math.Min(visStart.Column, visEnd.Column);
int endCol = System.Math.Max(visStart.Column, visEnd.Column);
for (int lineNr = selection.MinLine; lineNr <= selection.MaxLine; lineNr++)
{
DocumentLine curLine = data.Document.GetLine(lineNr);
int col1 = curLine.GetLogicalColumn(data, startCol) - 1;
int col2 = System.Math.Min(curLine.GetLogicalColumn(data, endCol) - 1, curLine.Length);
if (col1 < col2)
{
copiedDocument.Insert(copiedDocument.TextLength, data.Document.GetTextAt(curLine.Offset + col1, col2 - col1));
monoDocument.Insert(monoDocument.TextLength, data.Document.GetTextAt(curLine.Offset + col1, col2 - col1));
}
if (lineNr < selection.MaxLine)
{
// Clipboard line end needs to be system dependend and not the document one.
copiedDocument.Insert(copiedDocument.TextLength, Environment.NewLine);
// \r in mono document stands for block selection line end.
monoDocument.Insert(monoDocument.TextLength, "\r");
}
}
line = data.Document.GetLine(selection.MinLine);
spanStack = line.StartSpan.Clone();
SyntaxModeService.ScanSpans(data.Document, this.mode as SyntaxMode, this.mode as SyntaxMode, spanStack, line.Offset, line.Offset + startCol);
this.copiedDocument.GetLine(DocumentLocation.MinLine).StartSpan = spanStack;
break;
}
}
else
{
copiedDocument = null;
}
}
public LayoutWrapper CreateLinePartLayout (ISyntaxMode mode, DocumentLine line, int logicalRulerColumn, int offset, int length, int selectionStart, int selectionEnd)
{
bool containsPreedit = textEditor.ContainsPreedit (offset, length);
LayoutDescriptor descriptor;
if (!containsPreedit && layoutDict.TryGetValue (line, out descriptor)) {
bool isInvalid;
if (descriptor.Equals (line, offset, length, selectionStart, selectionEnd, out isInvalid) && descriptor.Layout != null) {
return descriptor.Layout;
}
descriptor.Dispose ();
layoutDict.Remove (line);
}
var wrapper = new LayoutWrapper (PangoUtil.CreateLayout (textEditor));
wrapper.IsUncached = containsPreedit;
if (logicalRulerColumn < 0)
logicalRulerColumn = line.GetLogicalColumn (textEditor.GetTextEditorData (), textEditor.Options.RulerColumn);
var atts = new FastPangoAttrList ();
wrapper.Layout.Alignment = Pango.Alignment.Left;
wrapper.Layout.FontDescription = textEditor.Options.Font;
wrapper.Layout.Tabs = tabArray;
StringBuilder textBuilder = new StringBuilder ();
var chunks = GetCachedChunks (mode, Document, textEditor.ColorStyle, line, offset, length);
foreach (var chunk in chunks) {
try {
textBuilder.Append (Document.GetTextAt (chunk));
} catch {
Console.WriteLine (chunk);
}
}
int lineOffset = line.Offset;
string lineText = textBuilder.ToString ();
uint preeditLength = 0;
if (containsPreedit) {
lineText = lineText.Insert (textEditor.preeditOffset - offset, textEditor.preeditString);
preeditLength = (uint)textEditor.preeditString.Length;
}
char[] lineChars = lineText.ToCharArray ();
//int startOffset = offset, endOffset = offset + length;
uint curIndex = 0, byteIndex = 0;
uint curChunkIndex = 0, byteChunkIndex = 0;
uint oldEndIndex = 0;
foreach (Chunk chunk in chunks) {
ChunkStyle chunkStyle = chunk != null ? textEditor.ColorStyle.GetChunkStyle (chunk) : null;
foreach (TextMarker marker in line.Markers)
chunkStyle = marker.GetStyle (chunkStyle);
if (chunkStyle != null) {
//startOffset = chunk.Offset;
//endOffset = chunk.EndOffset;
uint startIndex = (uint)(oldEndIndex);
uint endIndex = (uint)(startIndex + chunk.Length);
oldEndIndex = endIndex;
HandleSelection (lineOffset, logicalRulerColumn, selectionStart, selectionEnd, chunk.Offset, chunk.EndOffset, delegate(int start, int end) {
if (containsPreedit) {
if (textEditor.preeditOffset < start)
start += (int)preeditLength;
if (textEditor.preeditOffset < end)
end += (int)preeditLength;
}
var si = TranslateToUTF8Index (lineChars, (uint)(startIndex + start - chunk.Offset), ref curIndex, ref byteIndex);
var ei = TranslateToUTF8Index (lineChars, (uint)(startIndex + end - chunk.Offset), ref curIndex, ref byteIndex);
atts.AddForegroundAttribute (chunkStyle.Color, si, ei);
if (!chunkStyle.TransparentBackround && GetPixel (ColorStyle.Default.BackgroundColor) != GetPixel (chunkStyle.BackgroundColor)) {
wrapper.AddBackground (chunkStyle.CairoBackgroundColor, (int)si, (int)ei);
} else if (chunk.SpanStack != null && ColorStyle != null) {
foreach (var span in chunk.SpanStack) {
if (span == null)
continue;
var spanStyle = ColorStyle.GetChunkStyle (span.Color);
if (!spanStyle.TransparentBackround && GetPixel (ColorStyle.Default.BackgroundColor) != GetPixel (spanStyle.BackgroundColor)) {
wrapper.AddBackground (spanStyle.CairoBackgroundColor, (int)si, (int)ei);
break;
}
}
}
}, delegate(int start, int end) {
if (containsPreedit) {
if (textEditor.preeditOffset < start)
start += (int)preeditLength;
if (textEditor.preeditOffset < end)
end += (int)preeditLength;
}
var si = TranslateToUTF8Index (lineChars, (uint)(startIndex + start - chunk.Offset), ref curIndex, ref byteIndex);
var ei = TranslateToUTF8Index (lineChars, (uint)(startIndex + end - chunk.Offset), ref curIndex, ref byteIndex);
atts.AddForegroundAttribute (SelectionColor.Color, si, ei);
if (!wrapper.StartSet)
wrapper.SelectionStartIndex = (int)si;
wrapper.SelectionEndIndex = (int)ei;
});
var translatedStartIndex = TranslateToUTF8Index (lineChars, (uint)startIndex, ref curChunkIndex, ref byteChunkIndex);
var translatedEndIndex = TranslateToUTF8Index (lineChars, (uint)endIndex, ref curChunkIndex, ref byteChunkIndex);
if (chunkStyle.Bold)
atts.AddWeightAttribute (Pango.Weight.Bold, translatedStartIndex, translatedEndIndex);
if (chunkStyle.Italic)
atts.AddStyleAttribute (Pango.Style.Italic, translatedStartIndex, translatedEndIndex);
if (chunkStyle.Underline)
atts.AddUnderlineAttribute (Pango.Underline.Single, translatedStartIndex, translatedEndIndex);
}
}
if (containsPreedit) {
var si = TranslateToUTF8Index (lineChars, (uint)(textEditor.preeditOffset - offset), ref curIndex, ref byteIndex);
var ei = TranslateToUTF8Index (lineChars, (uint)(textEditor.preeditOffset - offset + preeditLength), ref curIndex, ref byteIndex);
atts.Splice (textEditor.preeditAttrs, (int)si, (int)(ei - si));
}
wrapper.LineChars = lineChars;
wrapper.Layout.SetText (lineText);
var nextLine = line.NextLine;
wrapper.EolSpanStack = nextLine != null ? nextLine.StartSpan : null;
atts.AssignTo (wrapper.Layout);
atts.Dispose ();
int w, h;
wrapper.Layout.GetSize (out w, out h);
wrapper.PangoWidth = w;
selectionStart = System.Math.Max (line.Offset - 1, selectionStart);
selectionEnd = System.Math.Min (line.EndOffsetIncludingDelimiter + 1, selectionEnd);
descriptor = new LayoutDescriptor (line, offset, length, wrapper, selectionStart, selectionEnd);
if (!containsPreedit)
layoutDict [line] = descriptor;
return wrapper;
}
public double ColumnToX (DocumentLine line, int column)
{
column--;
if (line == null || line.Length == 0 || column < 0)
return 0;
int logicalRulerColumn = line.GetLogicalColumn (textEditor.GetTextEditorData (), textEditor.Options.RulerColumn);
int lineOffset = line.Offset;
StringBuilder textBuilder = new StringBuilder ();
ISyntaxMode mode = Document.SyntaxMode != null && textEditor.Options.EnableSyntaxHighlighting ? Document.SyntaxMode : new SyntaxMode (Document);
var startChunk = GetCachedChunks (mode, Document, textEditor.ColorStyle, line, lineOffset, line.Length);
foreach (Chunk chunk in startChunk) {
try {
textBuilder.Append (Document.GetTextAt (chunk));
} catch (Exception e) {
Console.WriteLine (e);
return 0;
}
}
string lineText = textBuilder.ToString ();
char[] lineChars = lineText.ToCharArray ();
bool containsPreedit = textEditor.ContainsPreedit (lineOffset, line.Length);
uint preeditLength = 0;
if (containsPreedit) {
lineText = lineText.Insert (textEditor.preeditOffset - lineOffset, textEditor.preeditString);
preeditLength = (uint)textEditor.preeditString.Length;
}
if (column < lineText.Length)
lineText = lineText.Substring (0, column);
var layout = PangoUtil.CreateLayout (textEditor, lineText);
layout.Alignment = Pango.Alignment.Left;
layout.FontDescription = textEditor.Options.Font;
layout.Tabs = tabArray;
int startOffset = lineOffset, endOffset = lineOffset + line.Length;
uint curIndex = 0, byteIndex = 0;
uint curChunkIndex = 0, byteChunkIndex = 0;
List<Pango.Attribute> attributes = new List<Pango.Attribute> ();
uint oldEndIndex = 0;
foreach (Chunk chunk in startChunk) {
ChunkStyle chunkStyle = chunk != null ? textEditor.ColorStyle.GetChunkStyle (chunk) : null;
foreach (TextMarker marker in line.Markers)
chunkStyle = marker.GetStyle (chunkStyle);
if (chunkStyle != null) {
startOffset = chunk.Offset;
endOffset = chunk.EndOffset;
uint startIndex = (uint)(oldEndIndex);
uint endIndex = (uint)(startIndex + chunk.Length);
oldEndIndex = endIndex;
if (containsPreedit) {
if (textEditor.preeditOffset < startOffset)
startIndex += preeditLength;
if (textEditor.preeditOffset < endOffset)
endIndex += preeditLength;
}
HandleSelection (lineOffset, logicalRulerColumn, - 1, -1, chunk.Offset, chunk.EndOffset, delegate(int start, int end) {
Pango.AttrForeground foreGround = new Pango.AttrForeground (chunkStyle.Color.Red, chunkStyle.Color.Green, chunkStyle.Color.Blue);
foreGround.StartIndex = TranslateToUTF8Index (lineChars, (uint)(startIndex + start - chunk.Offset), ref curIndex, ref byteIndex);
foreGround.EndIndex = TranslateToUTF8Index (lineChars, (uint)(startIndex + end - chunk.Offset), ref curIndex, ref byteIndex);
attributes.Add (foreGround);
if (!chunkStyle.TransparentBackround) {
var background = new Pango.AttrBackground (chunkStyle.BackgroundColor.Red, chunkStyle.BackgroundColor.Green, chunkStyle.BackgroundColor.Blue);
background.StartIndex = foreGround.StartIndex;
background.EndIndex = foreGround.EndIndex;
attributes.Add (background);
}
}, delegate(int start, int end) {
Pango.AttrForeground selectedForeground = new Pango.AttrForeground (SelectionColor.Color.Red, SelectionColor.Color.Green, SelectionColor.Color.Blue);
selectedForeground.StartIndex = TranslateToUTF8Index (lineChars, (uint)(startIndex + start - chunk.Offset), ref curIndex, ref byteIndex);
selectedForeground.EndIndex = TranslateToUTF8Index (lineChars, (uint)(startIndex + end - chunk.Offset), ref curIndex, ref byteIndex);
attributes.Add (selectedForeground);
});
var translatedStartIndex = TranslateToUTF8Index (lineChars, (uint)startIndex, ref curChunkIndex, ref byteChunkIndex);
var translatedEndIndex = TranslateToUTF8Index (lineChars, (uint)endIndex, ref curChunkIndex, ref byteChunkIndex);
if (chunkStyle.Bold) {
Pango.AttrWeight attrWeight = new Pango.AttrWeight (Pango.Weight.Bold);
attrWeight.StartIndex = translatedStartIndex;
attrWeight.EndIndex = translatedEndIndex;
attributes.Add (attrWeight);
}
if (chunkStyle.Italic) {
Pango.AttrStyle attrStyle = new Pango.AttrStyle (Pango.Style.Italic);
attrStyle.StartIndex = translatedStartIndex;
attrStyle.EndIndex = translatedEndIndex;
attributes.Add (attrStyle);
}
if (chunkStyle.Underline) {
Pango.AttrUnderline attrUnderline = new Pango.AttrUnderline (Pango.Underline.Single);
attrUnderline.StartIndex = translatedStartIndex;
attrUnderline.EndIndex = translatedEndIndex;
attributes.Add (attrUnderline);
}
}
}
Pango.AttrList attributeList = new Pango.AttrList ();
attributes.ForEach (attr => attributeList.Insert (attr));
layout.Attributes = attributeList;
Pango.Rectangle ink_rect, logical_rect;
layout.GetExtents (out ink_rect, out logical_rect);
attributes.ForEach (attr => attr.Dispose ());
attributeList.Dispose ();
layout.Dispose ();
return (logical_rect.Width + Pango.Scale.PangoScale - 1) / Pango.Scale.PangoScale;
}
protected internal override void Draw (Cairo.Context cr, Cairo.Rectangle area, DocumentLine line, int lineNr, double x, double y, double _lineHeight)
{
// double xStart = System.Math.Max (area.X, XOffset);
// xStart = System.Math.Max (0, xStart);
var lineArea = new Cairo.Rectangle (XOffset - 1, y, textEditor.Allocation.Width - XOffset + 1, _lineHeight);
int width, height;
double pangoPosition = (x - textEditor.HAdjustment.Value + TextStartPosition) * Pango.Scale.PangoScale;
defaultBgColor = Document.ReadOnly ? ColorStyle.ReadOnlyTextBg : ColorStyle.Default.CairoBackgroundColor;
// Draw the default back color for the whole line. Colors other than the default
// background will be drawn when rendering the text chunks.
DrawRectangleWithRuler (cr, x, lineArea, defaultBgColor, true);
bool isSelectionDrawn = false;
if (BackgroundRenderer != null)
BackgroundRenderer.Draw (cr, area, line, x, y, _lineHeight);
// Check if line is beyond the document length
if (line == null) {
if (textEditor.Options.ShowInvalidLines)
DrawInvalidLineMarker (cr, pangoPosition / Pango.Scale.PangoScale, y);
var marker = Document.GetExtendingTextMarker (lineNr);
if (marker != null)
marker.Draw (textEditor, cr, lineNr, lineArea);
return;
}
IEnumerable<FoldSegment> foldings = Document.GetStartFoldings (line);
int offset = line.Offset;
int caretOffset = Caret.Offset;
bool isEolFolded = false;
restart:
int logicalRulerColumn = line.GetLogicalColumn (textEditor.GetTextEditorData (), textEditor.Options.RulerColumn);
foreach (FoldSegment folding in foldings) {
int foldOffset = folding.StartLine.Offset + folding.Column - 1;
if (foldOffset < offset)
continue;
if (folding.IsFolded) {
DrawLinePart (cr, line, lineNr, logicalRulerColumn, offset, foldOffset - offset, ref pangoPosition, ref isSelectionDrawn, y, area.X + area.Width);
offset = folding.EndLine.Offset + folding.EndColumn;
markerLayout.SetText (folding.Description);
markerLayout.GetSize (out width, out height);
bool isFoldingSelected = !this.HideSelection && textEditor.IsSomethingSelected && textEditor.SelectionRange.Contains (folding.Segment);
double pixelX = pangoPosition / Pango.Scale.PangoScale;
double pixelWidth = (pangoPosition + width) / Pango.Scale.PangoScale - pixelX;
var foldingRectangle = new Cairo.Rectangle (pixelX + 0.5, y + 0.5, pixelWidth - cr.LineWidth, this.LineHeight - cr.LineWidth);
if (BackgroundRenderer == null) {
cr.Color = isFoldingSelected ? SelectionColor.CairoBackgroundColor : defaultBgColor;
cr.Rectangle (foldingRectangle);
cr.Fill ();
}
cr.Color = isFoldingSelected ? SelectionColor.CairoColor : ColorStyle.FoldLine.CairoColor;
cr.Rectangle (foldingRectangle);
cr.Stroke ();
cr.Save ();
cr.Translate (pangoPosition / Pango.Scale.PangoScale, y);
cr.Color = isFoldingSelected ? SelectionColor.CairoColor : ColorStyle.FoldLine.CairoColor;
cr.ShowLayout (markerLayout);
cr.Restore ();
if (caretOffset == foldOffset && !string.IsNullOrEmpty (folding.Description))
SetVisibleCaretPosition ((int)(pangoPosition / Pango.Scale.PangoScale), y);
pangoPosition += width;
if (caretOffset == foldOffset + folding.Length && !string.IsNullOrEmpty (folding.Description))
SetVisibleCaretPosition ((int)(pangoPosition / Pango.Scale.PangoScale), y);
if (folding.EndLine != line) {
line = folding.EndLine;
lineNr = line.LineNumber;
foldings = Document.GetStartFoldings (line);
isEolFolded = line.Length <= folding.EndColumn;
goto restart;
}
isEolFolded = line.Length <= folding.EndColumn;
}
}
// Draw remaining line - must be called for empty line parts as well because the caret may be at this positon
// and the caret position is calculated in DrawLinePart.
if (line.EndOffsetIncludingDelimiter - offset >= 0)
DrawLinePart (cr, line, lineNr, logicalRulerColumn, offset, line.Offset + line.Length - offset, ref pangoPosition, ref isSelectionDrawn, y, area.X + area.Width);
bool isEolSelected = !this.HideSelection && textEditor.IsSomethingSelected && textEditor.SelectionMode == SelectionMode.Normal && textEditor.SelectionRange.Contains (line.Offset + line.Length);
lineArea = new Cairo.Rectangle (pangoPosition / Pango.Scale.PangoScale,
lineArea.Y,
textEditor.Allocation.Width - pangoPosition / Pango.Scale.PangoScale,
lineArea.Height);
if (textEditor.SelectionMode == SelectionMode.Block && textEditor.IsSomethingSelected && textEditor.SelectionRange.Contains (line.Offset + line.Length)) {
DocumentLocation start = textEditor.MainSelection.Anchor;
DocumentLocation end = textEditor.MainSelection.Lead;
DocumentLocation visStart = textEditor.LogicalToVisualLocation (start);
DocumentLocation visEnd = textEditor.LogicalToVisualLocation (end);
double x1 = this.ColumnToX (line, visStart.Column);
double x2 = this.ColumnToX (line, visEnd.Column);
if (x1 > x2) {
var tmp = x1;
x1 = x2;
x2 = tmp;
}
x1 += XOffset - textEditor.HAdjustment.Value;
x2 += XOffset - textEditor.HAdjustment.Value;
if (x2 > lineArea.X) {
if (x1 - lineArea.X > 0) {
DrawRectangleWithRuler (cr, x, new Cairo.Rectangle (lineArea.X, lineArea.Y, x1 - lineArea.X, lineArea.Height), defaultBgColor, false);
lineArea = new Cairo.Rectangle (x1, lineArea.Y, lineArea.Width, lineArea.Height);
}
DrawRectangleWithRuler (cr, x, new Cairo.Rectangle (lineArea.X, lineArea.Y, x2 - lineArea.X, lineArea.Height), this.SelectionColor.CairoBackgroundColor, false);
lineArea = new Cairo.Rectangle (x2, lineArea.Y, textEditor.Allocation.Width - lineArea.X, lineArea.Height);
}
}
if (!isSelectionDrawn) {
if (isEolSelected) {
if (!Platform.IsMac) {
// prevent "gaps" in the selection drawing ('fuzzy' lines problem)
lineArea = new Cairo.Rectangle (pangoPosition / Pango.Scale.PangoScale,
lineArea.Y,
textEditor.Allocation.Width - pangoPosition / Pango.Scale.PangoScale + 1,
lineArea.Height);
} else {
// prevent "gaps" in the selection drawing ('fuzzy' lines problem)
lineArea = new Cairo.Rectangle (System.Math.Max (pangoPosition / Pango.Scale.PangoScale - 1, XOffset + TextStartPosition),
lineArea.Y,
textEditor.Allocation.Width - pangoPosition / Pango.Scale.PangoScale + 1,
lineArea.Height);
}
DrawRectangleWithRuler (cr, x, lineArea, this.SelectionColor.CairoBackgroundColor, false);
} else if (!(HighlightCaretLine || textEditor.Options.HighlightCaretLine) || Caret.Line != lineNr) {
LayoutWrapper wrapper = GetLayout (line);
if (wrapper.EolSpanStack != null) {
foreach (var span in wrapper.EolSpanStack) {
var spanStyle = textEditor.ColorStyle.GetChunkStyle (span.Color);
if (!spanStyle.TransparentBackround && GetPixel (ColorStyle.Default.BackgroundColor) != GetPixel (spanStyle.BackgroundColor)) {
DrawRectangleWithRuler (cr, x, lineArea, spanStyle.CairoBackgroundColor, false);
break;
}
}
}
} else {
double xPos = pangoPosition / Pango.Scale.PangoScale;
DrawCaretLineMarker (cr, xPos, y, lineArea.X + lineArea.Width - xPos);
}
}
if (!isEolFolded && textEditor.Options.ShowEolMarkers)
DrawEolMarker (cr, line, isEolSelected, pangoPosition / Pango.Scale.PangoScale, y);
var extendingMarker = Document.GetExtendingTextMarker (lineNr);
if (extendingMarker != null)
extendingMarker.Draw (textEditor, cr, lineNr, lineArea);
lastLineRenderWidth = pangoPosition / Pango.Scale.PangoScale;
}
protected void InsertCharacter(uint unicodeKey)
{
if (!textEditorData.CanEdit(Data.Caret.Line))
{
return;
}
HideMouseCursor();
using (var undo = Document.OpenUndoGroup()) {
if (textEditorData.IsSomethingSelected && textEditorData.Options.EnableSelectionWrappingKeys && IsSpecialKeyForSelection(unicodeKey))
{
textEditorData.SelectionSurroundingProvider.HandleSpecialSelectionKey(textEditorData, unicodeKey);
return;
}
textEditorData.DeleteSelectedText(
textEditorData.IsSomethingSelected ? textEditorData.MainSelection.SelectionMode != SelectionMode.Block : true);
// Needs to be called after delete text, delete text handles virtual caret postitions itself,
// but afterwards the virtual position may need to be restored.
textEditorData.EnsureCaretIsNotVirtual();
char ch = (char)unicodeKey;
if (!char.IsControl(ch) && textEditorData.CanEdit(Caret.Line))
{
DocumentLine line = Document.GetLine(Caret.Line);
if (Caret.IsInInsertMode || Caret.Column >= line.Length + 1)
{
string text = ch.ToString();
if (textEditorData.IsSomethingSelected && textEditorData.MainSelection.SelectionMode == SelectionMode.Block)
{
var visualInsertLocation = textEditorData.LogicalToVisualLocation(Caret.Location);
var selection = textEditorData.MainSelection;
Caret.PreserveSelection = true;
for (int lineNumber = selection.MinLine; lineNumber <= selection.MaxLine; lineNumber++)
{
DocumentLine lineSegment = textEditorData.GetLine(lineNumber);
int insertOffset = lineSegment.GetLogicalColumn(textEditorData, visualInsertLocation.Column) - 1;
string textToInsert;
if (lineSegment.Length < insertOffset)
{
int visualLastColumn = lineSegment.GetVisualColumn(textEditorData, lineSegment.Length + 1);
int charsToInsert = visualInsertLocation.Column - visualLastColumn;
int spaceCount = charsToInsert % editor.Options.TabSize;
textToInsert = new string ('\t', (charsToInsert - spaceCount) / editor.Options.TabSize) +
new string (' ', spaceCount) + text;
insertOffset = lineSegment.Length;
}
else
{
textToInsert = text;
}
textEditorData.Insert(lineSegment.Offset + insertOffset, textToInsert);
}
var visualColumn = textEditorData.GetLine(Caret.Location.Line).GetVisualColumn(textEditorData, Caret.Column);
textEditorData.MainSelection = new Selection(
new DocumentLocation(selection.Anchor.Line, textEditorData.GetLine(selection.Anchor.Line).GetLogicalColumn(textEditorData, visualColumn)),
new DocumentLocation(selection.Lead.Line, textEditorData.GetLine(selection.Lead.Line).GetLogicalColumn(textEditorData, visualColumn)),
SelectionMode.Block
);
Document.CommitMultipleLineUpdate(textEditorData.MainSelection.MinLine, textEditorData.MainSelection.MaxLine);
}
else
{
textEditorData.Insert(Caret.Offset, text);
}
}
else
{
textEditorData.Replace(Caret.Offset, 1, ch.ToString());
}
// That causes unnecessary redraws:
// bool autoScroll = Caret.AutoScrollToCaret;
// Caret.Column++;
if (Caret.PreserveSelection)
{
Caret.PreserveSelection = false;
}
// Caret.AutoScrollToCaret = autoScroll;
// if (autoScroll)
// Editor.ScrollToCaret ();
// Document.RequestUpdate (new LineUpdate (Caret.Line));
// Document.CommitDocumentUpdate ();
}
}
Document.OptimizeTypedUndo();
}
public int XToColumn(DocumentLine line, double x)
{
int visualColumn = (int)(x / CharWidth) + 1;
return line.GetLogicalColumn(editor, visualColumn);
}
