protected override LayoutWrapper RenderLine (long line)
{
var layout = new TextLayout (Editor);
layout.Font = Editor.Options.Font;
StringBuilder sb = new StringBuilder ();
long startOffset = line * Editor.BytesInRow;
long endOffset = System.Math.Min (startOffset + Editor.BytesInRow, Data.Length);
byte[] lineBytes = Data.GetBytes (startOffset, (int)(endOffset - startOffset));
for (int i = 0; i < lineBytes.Length; i++) {
byte b = lineBytes[i];
char ch = (char)b;
if (b < 128 && (Char.IsLetterOrDigit (ch) || Char.IsPunctuation (ch))) {
sb.Append (ch);
} else {
sb.Append (".");
}
}
layout.Text = sb.ToString ();
Margin.LayoutWrapper result = new LayoutWrapper (layout);
if (Data.IsSomethingSelected) {
ISegment selection = Data.MainSelection.Segment;
HandleSelection (selection.Offset, selection.EndOffset, startOffset, endOffset, null, delegate(long start, long end) {
result.Layout.SetForeground (Style.Selection, (int)(start - startOffset), (int)(end - start));
result.Layout.SetBackground (Style.SelectionBg, (int)(start - startOffset), (int)(end - start));
});
}
return result;
}
internal protected override void Draw(Context ctx, Rectangle area, long line, double x, double y)
{
ctx.Rectangle(x, y, Width, Editor.LineHeight);
ctx.SetColor(Style.HexDigitBg);
ctx.Fill();
LayoutWrapper layout = GetLayout(line);
if (!Data.IsSomethingSelected && !Caret.InTextEditor && line == Data.Caret.Line)
{
var column = (int)(Caret.Offset % BytesInRow);
if (Editor.Options.StringRepresentationType == StringRepresentationTypes.UTF16)
{
column /= 2;
}
var xOffset = charWidth * column;
ctx.Rectangle(x + xOffset, y, charWidth, Editor.LineHeight);
ctx.SetColor(Style.HighlightOffset);
ctx.Fill();
}
ctx.SetColor(Style.HexDigit);
ctx.DrawTextLayout(layout.Layout, x, y);
if (layout.IsUncached)
{
layout.Dispose();
}
}
protected override LayoutWrapper RenderLine(long line)
{
var layout = new TextLayout(Editor);
layout.Font = Editor.Options.Font;
// layout.Tabs = tabArray;
StringBuilder sb = new StringBuilder();
long startOffset = line * Editor.BytesInRow;
long endOffset = System.Math.Min(startOffset + Editor.BytesInRow, Data.Length);
byte[] lineBytes = Data.GetBytes(startOffset, (int)(endOffset - startOffset));
for (int i = 0; i < lineBytes.Length; i++)
{
sb.Append(string.Format("{0:X2}", lineBytes[i]));
if ((i + 1) % Editor.Options.GroupBytes == 0)
{
sb.Append(" "); // \t
}
}
layout.Text = sb.ToString();
Margin.LayoutWrapper result = new LayoutWrapper(layout);
if (Data.IsSomethingSelected)
{
ISegment selection = Data.MainSelection.Segment;
HandleSelection(selection.Offset, selection.EndOffset, startOffset, endOffset, null, delegate(long start, long end) {
result.Layout.SetForeground(Style.Selection, (int)(start - startOffset) * 3, (int)(end - start) * 3 - 1);
result.Layout.SetBackground(Style.SelectionBg, (int)(start - startOffset) * 3, (int)(end - start) * 3 - 1);
});
}
return(result);
}
protected override LayoutWrapper RenderLine(long line)
{
var layout = new TextLayout(Editor);
layout.Font = Editor.Options.Font;
StringBuilder sb = new StringBuilder();
long startOffset = line * Editor.BytesInRow;
long endOffset = System.Math.Min(startOffset + Editor.BytesInRow, Data.Length);
byte[] lineBytes = Data.GetBytes(startOffset, (int)(endOffset - startOffset));
switch (Editor.Options.StringRepresentationType)
{
case StringRepresentationTypes.ASCII:
for (int i = 0; i < lineBytes.Length; i++)
{
byte b = lineBytes [i];
char ch = (char)b;
if (!char.IsControl(ch))
{
sb.Append(ch);
}
else
{
sb.Append(".");
}
}
break;
case StringRepresentationTypes.UTF16:
for (int i = 0; i < lineBytes.Length - 1; i += 2)
{
char ch = Encoding.Unicode.GetChars(lineBytes, i, 2) [0];
if (char.IsLetterOrDigit(ch) || char.IsWhiteSpace(ch) || char.IsSymbol(ch) || char.IsPunctuation(ch))
{
sb.Append(ch);
}
else
{
sb.Append(".");
}
}
break;
default:
throw new NotImplementedException(Editor.Options.StringRepresentationType.ToString());
}
layout.Text = sb.ToString();
Margin.LayoutWrapper result = new LayoutWrapper(layout);
if (Data.IsSomethingSelected)
{
ISegment selection = Data.MainSelection.Segment;
HandleSelection(selection.Offset, selection.EndOffset, startOffset, endOffset, null, delegate(long start, long end) {
result.Layout.SetForeground(Style.Selection, (int)(start - startOffset) / 2, (int)(end - start) / 2);
result.Layout.SetBackground(Style.SelectionBg, (int)(start - startOffset) / 2, (int)(end - start) / 2);
});
}
return(result);
}
protected override LayoutWrapper RenderLine(long line)
{
Pango.Layout layout = new Pango.Layout(Editor.PangoContext);
layout.FontDescription = Editor.Options.Font;
StringBuilder sb = new StringBuilder();
long startOffset = line * Editor.BytesInRow;
long endOffset = System.Math.Min(startOffset + Editor.BytesInRow, Data.Length);
byte[] lineBytes = Data.GetBytes(startOffset, (int)(endOffset - startOffset));
for (int i = 0; i < lineBytes.Length; i++)
{
byte b = lineBytes[i];
char ch = (char)b;
if (b < 128 && (Char.IsLetterOrDigit(ch) || Char.IsPunctuation(ch)))
{
sb.Append(ch);
}
else
{
sb.Append(".");
}
}
layout.SetText(sb.ToString());
char[] lineChars = layout.Text.ToCharArray();
Margin.LayoutWrapper result = new LayoutWrapper(layout);
uint curIndex = 0, byteIndex = 0;
if (Data.IsSomethingSelected)
{
ISegment selection = Data.MainSelection.Segment;
HandleSelection(selection.Offset, selection.EndOffset, startOffset, endOffset, null, delegate(long start, long end)
{
Pango.AttrForeground selectedForeground = new Pango.AttrForeground(Style.Selection.Red,
Style.Selection.Green,
Style.Selection.Blue);
selectedForeground.StartIndex = TranslateToUTF8Index(lineChars, (uint)(start - startOffset), ref curIndex, ref byteIndex);
selectedForeground.EndIndex = TranslateToUTF8Index(lineChars, (uint)(end - startOffset), ref curIndex, ref byteIndex);
result.Add(selectedForeground);
Pango.AttrBackground attrBackground = new Pango.AttrBackground(Style.SelectionBg.Red,
Style.SelectionBg.Green,
Style.SelectionBg.Blue);
attrBackground.StartIndex = selectedForeground.StartIndex;
attrBackground.EndIndex = selectedForeground.EndIndex;
result.Add(attrBackground);
});
}
result.SetAttributes();
return(result);
}
internal protected override void Draw(Gdk.Drawable drawable, Gdk.Rectangle area, long line, int x, int y)
{
drawable.DrawRectangle(GetGC(Style.HexOffsetBg), true, x, y, Width, Editor.LineHeight);
LayoutWrapper layout = GetLayout(line);
int w, h;
layout.Layout.GetPixelSize(out w, out h);
drawable.DrawLayout(GetGC(line != Caret.Line ? Style.HexOffset : Style.HexOffsetHighlighted), x + Width - w - 4, y, layout.Layout);
if (layout.IsUncached)
{
layout.Dispose();
}
}
internal protected override void Draw(Gdk.Drawable drawable, Gdk.Rectangle area, long line, int x, int y)
{
drawable.DrawRectangle(bgGC, true, x, y, Width, Editor.LineHeight);
LayoutWrapper layout = GetLayout(line);
if (!Data.IsSomethingSelected && Caret.InTextEditor && line == Data.Caret.Line)
{
drawable.DrawRectangle(GetGC(Style.HighlightOffset), true, CalculateCaretXPos(false), y, byteWidth, Editor.LineHeight);
}
drawable.DrawLayout(fgGC, x, y, layout.Layout);
if (layout.IsUncached)
{
layout.Dispose();
}
}
protected override LayoutWrapper RenderLine(long line)
{
Pango.Layout layout = new Pango.Layout(Editor.PangoContext);
layout.FontDescription = Editor.Options.Font;
layout.Tabs = tabArray;
StringBuilder sb = new StringBuilder();
long startOffset = line * Editor.BytesInRow;
long endOffset = System.Math.Min(startOffset + Editor.BytesInRow, Data.Length);
byte[] lineBytes = Data.GetBytes(startOffset, (int)(endOffset - startOffset));
for (int i = 0; i < lineBytes.Length; i++)
{
sb.Append(string.Format("{0:X2}", lineBytes[i]));
if (i % Editor.Options.GroupBytes == 0)
{
sb.Append("\t");
}
}
layout.SetText(sb.ToString());
char[] lineChars = sb.ToString().ToCharArray();
Margin.LayoutWrapper result = new LayoutWrapper(layout);
uint curIndex = 0, byteIndex = 0;
if (Data.IsSomethingSelected)
{
ISegment selection = Data.MainSelection.Segment;
HandleSelection(selection.Offset, selection.EndOffset, startOffset, endOffset, null, delegate(long start, long end)
{
Pango.AttrForeground selectedForeground = new Pango.AttrForeground(Style.Selection.Red,
Style.Selection.Green,
Style.Selection.Blue);
selectedForeground.StartIndex = TranslateToUTF8Index(lineChars, TranslateColumn(start - startOffset), ref curIndex, ref byteIndex);
selectedForeground.EndIndex = TranslateToUTF8Index(lineChars, TranslateColumn(end - startOffset) - 1, ref curIndex, ref byteIndex);
result.Add(selectedForeground);
Pango.AttrBackground attrBackground = new Pango.AttrBackground(Style.SelectionBg.Red,
Style.SelectionBg.Green,
Style.SelectionBg.Blue);
attrBackground.StartIndex = selectedForeground.StartIndex;
attrBackground.EndIndex = selectedForeground.EndIndex;
result.Add(attrBackground);
});
}
result.SetAttributes();
return(result);
}
internal protected override void Draw(Gdk.Drawable drawable, Gdk.Rectangle area, long line, int x, int y)
{
drawable.DrawRectangle(bgGC, true, x, y, Width, Editor.LineHeight);
LayoutWrapper layout = GetLayout(line);
if (!Data.IsSomethingSelected && !Caret.InTextEditor && line == Data.Caret.Line)
{
int column = (int)(Caret.Offset % BytesInRow);
int xOffset = charWidth * column;
drawable.DrawRectangle(GetGC(Style.HighlightOffset), true, x + xOffset, y, charWidth, Editor.LineHeight);
}
drawable.DrawLayout(fgGC, x, y, layout.Layout);
if (layout.IsUncached)
{
layout.Dispose();
}
}
protected override LayoutWrapper RenderLine (long line)
{
Pango.Layout layout = new Pango.Layout (Editor.PangoContext);
layout.FontDescription = Editor.Options.Font;
StringBuilder sb = new StringBuilder ();
long startOffset = line * Editor.BytesInRow;
long endOffset = System.Math.Min (startOffset + Editor.BytesInRow, Data.Length);
byte[] lineBytes = Data.GetBytes (startOffset, (int)(endOffset - startOffset));
for (int i = 0; i < lineBytes.Length; i++) {
byte b = lineBytes[i];
char ch = (char)b;
if (b < 128 && (Char.IsLetterOrDigit (ch) || Char.IsPunctuation (ch))) {
sb.Append (ch);
} else {
sb.Append (".");
}
}
layout.SetText (sb.ToString ());
char[] lineChars = layout.Text.ToCharArray ();
Margin.LayoutWrapper result = new LayoutWrapper (layout);
uint curIndex = 0, byteIndex = 0;
if (Data.IsSomethingSelected) {
ISegment selection = Data.MainSelection.Segment;
HandleSelection (selection.Offset, selection.EndOffset, startOffset, endOffset, null, delegate(long start, long end) {
Pango.AttrForeground selectedForeground = new Pango.AttrForeground (Style.Selection.Red,
Style.Selection.Green,
Style.Selection.Blue);
selectedForeground.StartIndex = TranslateToUTF8Index (lineChars, (uint)(start - startOffset), ref curIndex, ref byteIndex);
selectedForeground.EndIndex = TranslateToUTF8Index (lineChars, (uint)(end - startOffset), ref curIndex, ref byteIndex);
result.Add (selectedForeground);
Pango.AttrBackground attrBackground = new Pango.AttrBackground (Style.SelectionBg.Red,
Style.SelectionBg.Green,
Style.SelectionBg.Blue);
attrBackground.StartIndex = selectedForeground.StartIndex;
attrBackground.EndIndex = selectedForeground.EndIndex;
result.Add (attrBackground);
});
}
result.SetAttributes ();
return result;
}
internal protected override void Draw(Context ctx, Rectangle area, long line, double x, double y)
{
ctx.Rectangle(x, y, Width, Editor.LineHeight);
ctx.SetColor(Style.HexOffsetBg);
ctx.Fill();
if (line >= 0 && line * Editor.BytesInRow < Data.Length)
{
LayoutWrapper layout = GetLayout(line);
var sz = layout.Layout.GetSize();
ctx.SetColor(line != Caret.Line ? Style.HexOffset : Style.HexOffsetHighlighted);
ctx.DrawTextLayout(layout.Layout, x + Width - sz.Width - 4, y);
if (layout.IsUncached)
{
layout.Dispose();
}
}
}
int CalculateCaretXPos(bool useSubPositon)
{
int byteInRow = (int)Caret.Offset % BytesInRow;
int groupNumber = byteInRow / Editor.Options.GroupBytes;
int groupByte = byteInRow % Editor.Options.GroupBytes;
int caretIndex = groupNumber * (Editor.Options.GroupBytes * 2 + 1) + groupByte * 2;
if (useSubPositon)
{
caretIndex += Caret.SubPosition;
}
LayoutWrapper layout = GetLayout((int)Caret.Line);
Pango.Rectangle rectangle = layout.Layout.IndexToPos(caretIndex);
if (layout.IsUncached)
{
layout.Dispose();
}
return(XOffset + (int)(rectangle.X / Pango.Scale.PangoScale));
}
internal protected override void Draw(Context ctx, Rectangle area, long line, double x, double y)
{
ctx.Rectangle(x, y, Width, Editor.LineHeight);
ctx.SetColor(Style.HexDigitBg);
ctx.Fill();
LayoutWrapper layout = GetLayout(line);
char ch;
if (!Data.IsSomethingSelected && Caret.InTextEditor && line == Data.Caret.Line)
{
ctx.Rectangle(CalculateCaretXPos(false, out ch), y, byteWidth, Editor.LineHeight);
ctx.SetColor(Style.HighlightOffset);
ctx.Fill();
}
ctx.SetColor(Style.HexDigit);
ctx.DrawTextLayout(layout.Layout, x, y);
if (layout.IsUncached)
{
layout.Dispose();
}
}
double CalculateCaretXPos(bool useSubPositon, out char ch)
{
int byteInRow = (int)Caret.Offset % BytesInRow;
int groupNumber = byteInRow / Editor.Options.GroupBytes;
int groupByte = byteInRow % Editor.Options.GroupBytes;
int caretIndex = groupNumber * (Editor.Options.GroupBytes * 2 + 1) + groupByte * 2;
if (useSubPositon)
{
caretIndex += Caret.SubPosition;
}
LayoutWrapper layout = GetLayout((int)Caret.Line);
var rectangle = layout.Layout.GetCoordinateFromIndex(caretIndex);
var text = layout.Layout.Text;
ch = caretIndex < text.Length ? text [caretIndex] : ' ';
if (layout.IsUncached)
{
layout.Dispose();
}
return(XOffset + rectangle.X);
}
protected override LayoutWrapper RenderLine(long line)
{
var layout = new TextLayout(Editor);
layout.Font = Editor.Options.Font;
StringBuilder sb = new StringBuilder();
long startOffset = line * Editor.BytesInRow;
long endOffset = System.Math.Min(startOffset + Editor.BytesInRow, Data.Length);
byte[] lineBytes = Data.GetBytes(startOffset, (int)(endOffset - startOffset));
for (int i = 0; i < lineBytes.Length; i++)
{
byte b = lineBytes[i];
char ch = (char)b;
if (b < 128 && (Char.IsLetterOrDigit(ch) || Char.IsPunctuation(ch)))
{
sb.Append(ch);
}
else
{
sb.Append(".");
}
}
layout.Text = sb.ToString();
Margin.LayoutWrapper result = new LayoutWrapper(layout);
if (Data.IsSomethingSelected)
{
ISegment selection = Data.MainSelection.Segment;
HandleSelection(selection.Offset, selection.EndOffset, startOffset, endOffset, null, delegate(long start, long end) {
result.Layout.SetForeground(Style.Selection, (int)(start - startOffset), (int)(end - start));
result.Layout.SetBackgound(Style.SelectionBg, (int)(start - startOffset), (int)(end - start));
});
}
return(result);
}
public LayoutWrapper CreateLinePartLayout (ISyntaxMode mode, LineSegment 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);
}
}
var spanStack = line.StartSpan;
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;
spanStack = chunk.SpanStack ?? spanStack;
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);
wrapper.EolSpanStack = spanStack;
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;
}
void DrawLinePart (Cairo.Context cr, LineSegment line, int lineNumber, int logicalRulerColumn, int offset, int length, ref double pangoPosition, ref bool isSelectionDrawn, double y, double maxX)
{
ISyntaxMode mode = Document.SyntaxMode != null && textEditor.Options.EnableSyntaxHighlighting ? Document.SyntaxMode : new SyntaxMode (Document);
int selectionStart;
int selectionEnd;
if (this.HideSelection) {
selectionStart = selectionEnd = -1;
} else {
GetSelectionOffsets (line, out selectionStart, out selectionEnd);
}
// ---- new renderer
LayoutWrapper layout = CreateLinePartLayout (mode, line, logicalRulerColumn, offset, length, selectionStart, selectionEnd);
int lineOffset = line.Offset;
double width = layout.PangoWidth / Pango.Scale.PangoScale;
double xPos = pangoPosition / Pango.Scale.PangoScale;
// if (!(HighlightCaretLine || textEditor.Options.HighlightCaretLine) || Document.GetLine(Caret.Line) != line) {
foreach (var bg in layout.BackgroundColors) {
int x1, x2;
x1 = layout.Layout.IndexToPos (bg.FromIdx).X;
x2 = layout.Layout.IndexToPos (bg.ToIdx).X;
DrawRectangleWithRuler (cr, xPos + textEditor.HAdjustment.Value - TextStartPosition,
new Cairo.Rectangle ((x1 + pangoPosition) / Pango.Scale.PangoScale, y, (x2 - x1) / Pango.Scale.PangoScale + 1, LineHeight),
bg.Color, true);
}
// }
bool drawBg = true;
bool drawText = true;
foreach (TextMarker marker in line.Markers) {
IBackgroundMarker bgMarker = marker as IBackgroundMarker;
if (bgMarker == null || !marker.IsVisible)
continue;
isSelectionDrawn |= (marker.Flags & TextMarkerFlags.DrawsSelection) == TextMarkerFlags.DrawsSelection;
drawText &= bgMarker.DrawBackground (textEditor, cr, layout, selectionStart, selectionEnd, offset, offset + length, y, xPos, xPos + width, ref drawBg);
}
if (DecorateLineBg != null)
DecorateLineBg (cr, layout, offset, length, xPos, y, selectionStart, selectionEnd);
if ((HighlightCaretLine || textEditor.Options.HighlightCaretLine) && Caret.Line == lineNumber)
DrawCaretLineMarker (cr, xPos, y, layout.PangoWidth / Pango.Scale.PangoScale);
if (!isSelectionDrawn && (layout.StartSet || selectionStart == offset + length)) {
double startX;
double endX;
if (selectionStart != offset + length) {
var start = layout.Layout.IndexToPos ((int)layout.SelectionStartIndex);
startX = start.X / Pango.Scale.PangoScale;
var end = layout.Layout.IndexToPos ((int)layout.SelectionEndIndex);
endX = end.X / Pango.Scale.PangoScale;
} else {
startX = width;
endX = startX;
}
if (textEditor.MainSelection.SelectionMode == SelectionMode.Block && startX == endX) {
endX = startX + 2;
}
DrawRectangleWithRuler (cr, xPos + textEditor.HAdjustment.Value - TextStartPosition, new Cairo.Rectangle (xPos + startX, y, endX - startX, LineHeight), this.SelectionColor.CairoBackgroundColor, true);
}
// highlight search results
TextSegment firstSearch;
int o = offset;
uint curIndex = 0, byteIndex = 0;
if (textEditor.HighlightSearchPattern) {
while (!(firstSearch = GetFirstSearchResult (o, offset + length)).IsInvalid) {
double x = pangoPosition;
HandleSelection (lineOffset, logicalRulerColumn, selectionStart, selectionEnd, System.Math.Max (lineOffset, firstSearch.Offset), System.Math.Min (lineOffset + line.Length, firstSearch.EndOffset), delegate(int start, int end) {
uint startIndex = (uint)(start - offset);
uint endIndex = (uint)(end - offset);
if (startIndex < endIndex && endIndex <= layout.LineChars.Length) {
uint startTranslated = TranslateToUTF8Index (layout.LineChars, startIndex, ref curIndex, ref byteIndex);
uint endTranslated = TranslateToUTF8Index (layout.LineChars, endIndex, ref curIndex, ref byteIndex);
int l, x1, x2;
layout.Layout.IndexToLineX ((int)startTranslated, false, out l, out x1);
layout.Layout.IndexToLineX ((int)endTranslated, false, out l, out x2);
x1 += (int)x;
x2 += (int)x;
x1 /= (int)Pango.Scale.PangoScale;
x2 /= (int)Pango.Scale.PangoScale;
cr.Color = MainSearchResult.IsInvalid || MainSearchResult.Offset != firstSearch.Offset ? ColorStyle.SearchTextBg : ColorStyle.SearchTextMainBg;
FoldingScreenbackgroundRenderer.DrawRoundRectangle (cr, true, true, x1, y, System.Math.Min (10, width) * textEditor.Options.Zoom, x2 - x1, LineHeight);
cr.Fill ();
}
}, null);
o = System.Math.Max (firstSearch.EndOffset, o + 1);
}
}
cr.Save ();
cr.Translate (xPos, y);
cr.ShowLayout (layout.Layout);
cr.Restore ();
if (DecorateLineFg != null)
DecorateLineFg (cr, layout, offset, length, xPos, y, selectionStart, selectionEnd);
if (lineNumber == Caret.Line) {
int caretOffset = Caret.Offset;
if (offset <= caretOffset && caretOffset <= offset + length) {
int index = caretOffset - offset;
if (Caret.Column > line.Length + 1) {
string virtualSpace = "";
var data = textEditor.GetTextEditorData ();
if (data.HasIndentationTracker && line.Length == 0) {
virtualSpace = this.textEditor.GetTextEditorData ().GetIndentationString (Caret.Location);
}
if (Caret.Column > line.Length + 1 + virtualSpace.Length)
virtualSpace += new string (' ', Caret.Column - line.Length - 1 - virtualSpace.Length);
LayoutWrapper wrapper = new LayoutWrapper (PangoUtil.CreateLayout (textEditor));
wrapper.LineChars = virtualSpace.ToCharArray ();
wrapper.Layout.SetText (virtualSpace);
wrapper.Layout.Tabs = tabArray;
wrapper.Layout.FontDescription = textEditor.Options.Font;
int vy, vx;
wrapper.Layout.GetSize (out vx, out vy);
SetVisibleCaretPosition (((pangoPosition + vx + layout.PangoWidth) / Pango.Scale.PangoScale), y);
xPos = (pangoPosition + layout.PangoWidth) / Pango.Scale.PangoScale;
if (!isSelectionDrawn && (selectionEnd == lineOffset + line.Length)) {
double startX;
double endX;
startX = xPos;
endX = (pangoPosition + vx + layout.PangoWidth) / Pango.Scale.PangoScale;
DrawRectangleWithRuler (cr, xPos + textEditor.HAdjustment.Value - TextStartPosition, new Cairo.Rectangle (startX, y, endX - startX, LineHeight), this.SelectionColor.CairoBackgroundColor, true);
}
if ((HighlightCaretLine || textEditor.Options.HighlightCaretLine) && Caret.Line == lineNumber)
DrawCaretLineMarker (cr, pangoPosition / Pango.Scale.PangoScale, y, vx / Pango.Scale.PangoScale);
// When drawing virtual space before the selection start paint it as unselected.
var virtualSpaceMod = selectionStart < caretOffset ? 0 : virtualSpace.Length;
if (DecorateLineBg != null)
DecorateLineBg (cr, wrapper, offset, length, xPos, y, selectionStart + virtualSpaceMod, selectionEnd + virtualSpace.Length);
if (DecorateLineFg != null)
DecorateLineFg (cr, wrapper, offset, length, xPos, y, selectionStart + virtualSpaceMod, selectionEnd + virtualSpace.Length);
wrapper.Dispose ();
pangoPosition += vx;
} else if (index == length && textEditor.preeditString == null) {
SetVisibleCaretPosition ((pangoPosition + layout.PangoWidth) / Pango.Scale.PangoScale, y);
} else if (index >= 0 && index <= length) {
Pango.Rectangle strong_pos, weak_pos;
curIndex = byteIndex = 0;
int utf8ByteIndex = (int)TranslateToUTF8Index (layout.LineChars, (uint)index, ref curIndex, ref byteIndex);
if (textEditor.preeditString != null && textEditor.preeditCursorCharIndex > 0) {
curIndex = byteIndex = 0;
int preeditUtf8ByteIndex = (int)TranslateToUTF8Index (textEditor.preeditString.ToCharArray (),
(uint)textEditor.preeditCursorCharIndex,
ref curIndex, ref byteIndex);
utf8ByteIndex += preeditUtf8ByteIndex;
}
layout.Layout.GetCursorPos (utf8ByteIndex, out strong_pos, out weak_pos);
SetVisibleCaretPosition (xPos + (strong_pos.X / Pango.Scale.PangoScale), y);
}
}
}
foreach (TextMarker marker in line.Markers.Where (m => m.IsVisible)) {
if (layout.Layout != null)
marker.Draw (textEditor, cr, layout.Layout, false, /*selected*/offset, offset + length, y, xPos, xPos + width);
}
pangoPosition += layout.PangoWidth;
if (layout.IsUncached)
layout.Dispose ();
}
void DecorateTabsAndSpaces (Cairo.Context ctx, LayoutWrapper layout, int offset, int length, double xPos, double y, int selectionStart, int selectionEnd)
{
uint curIndex = 0, byteIndex = 0;
bool first = true, oldSelected = false;
int index, trailing;
layout.Layout.XyToIndex ((int)textEditor.HAdjustment.Value, 0, out index, out trailing);
for (int i = index; i < layout.LineChars.Length; i++) {
char ch = layout.LineChars [i];
if (ch != ' ' && ch != '\t')
continue;
bool selected = selectionStart <= offset + i && offset + i < selectionEnd;
if (first || oldSelected != selected) {
ctx.Color = selected ? SelectionColor.CairoColor : ColorStyle.WhitespaceMarker;
first = false;
oldSelected = selected;
}
Pango.Rectangle pos = layout.Layout.IndexToPos ((int)TranslateToUTF8Index (layout.LineChars, (uint)i, ref curIndex, ref byteIndex));
double xpos = xPos + pos.X / Pango.Scale.PangoScale;
if (xpos > textEditor.Allocation.Width)
break;
if (ch == '\t') {
DrawTabMarker (ctx, selected, xpos, y);
} else {
DrawSpaceMarker (ctx, selected, xpos, y);
}
}
}
bool ConsumeLayout (LayoutWrapper layoutWrapper, int xp, int yp)
{
int trailing;
bool isInside = layoutWrapper.Layout.XyToIndex (xp, yp, out index, out trailing);
if (isInside) {
int lineNr;
int xp1, xp2;
layoutWrapper.Layout.IndexToLineX (index, false, out lineNr, out xp1);
layoutWrapper.Layout.IndexToLineX (index + 1, false, out lineNr, out xp2);
index = TranslateIndexToUTF8 (layoutWrapper.Layout.Text, index);
if (snapCharacters && !IsNearX1 (xp, xp1, xp2))
index++;
return true;
}
index = line.Length;
return false;
}
protected override LayoutWrapper RenderLine (long line)
{
var layout = new TextLayout (Editor);
layout.Font = Editor.Options.Font;
StringBuilder sb = new StringBuilder ();
long startOffset = line * Editor.BytesInRow;
long endOffset = System.Math.Min (startOffset + Editor.BytesInRow, Data.Length);
byte[] lineBytes = Data.GetBytes (startOffset, (int)(endOffset - startOffset));
switch (Editor.Options.StringRepresentationType) {
case StringRepresentationTypes.ASCII:
for (int i = 0; i < lineBytes.Length; i++) {
byte b = lineBytes [i];
char ch = (char)b;
if (!char.IsControl (ch)) {
sb.Append (ch);
} else {
sb.Append (".");
}
}
break;
case StringRepresentationTypes.UTF16:
for (int i = 0; i < lineBytes.Length - 1; i += 2) {
char ch = Encoding.Unicode.GetChars (lineBytes, i, 2) [0];
if (char.IsLetterOrDigit (ch) || char.IsWhiteSpace (ch) || char.IsSymbol (ch) || char.IsPunctuation (ch))
sb.Append (ch);
else
sb.Append (".");
}
break;
default:
throw new NotImplementedException (Editor.Options.StringRepresentationType.ToString ());
}
layout.Text = sb.ToString ();
Margin.LayoutWrapper result = new LayoutWrapper (layout);
if (Data.IsSomethingSelected) {
ISegment selection = Data.MainSelection.Segment;
HandleSelection (selection.Offset, selection.EndOffset, startOffset, endOffset, this, new LayoutOffsetPair (startOffset, result.Layout), null, OnSelected);
}
return result;
}
public LayoutDescriptor (DocumentLine line, int offset, int length, LayoutWrapper layout, int selectionStart, int selectionEnd) : base(line, offset, length)
{
this.Layout = layout;
if (selectionEnd >= 0) {
this.SelectionStart = selectionStart;
this.SelectionEnd = selectionEnd;
}
}
void DrawIndent (Cairo.Context cr, LayoutWrapper layout, DocumentLine line, double xPos, double y)
{
if (!textEditor.Options.DrawIndentationMarkers)
return;
if (line.Length == 0) {
var nextLine = line.NextLine;
while (nextLine != null && nextLine.Length == 0)
nextLine = nextLine.NextLine;
if (nextLine != null)
layout = GetLayout (nextLine);
}
if (layout.IndentSize == 0)
return;
cr.Save ();
var dotted = new [] { textEditor.Options.Zoom };
cr.SetDash (dotted, (int)y + textEditor.VAdjustment.Value);
var top = y;
var bottom = y + LineHeight;
if (Caret.Line == line.LineNumber && textEditor.Options.HighlightCaretLine) {
top += textEditor.Options.Zoom;
bottom -= textEditor.Options.Zoom;
}
for (int i = 0; i < layout.IndentSize; i += textEditor.Options.IndentationSize) {
var x = System.Math.Floor (xPos + i * charWidth);
cr.MoveTo (x + 0.5, top);
cr.LineTo (x + 0.5, bottom);
cr.Color = ColorStyle.IndentationGuide.Color;
cr.Stroke ();
}
cr.Restore ();
}
void DecorateTabsAndSpaces (Cairo.Context ctx, LayoutWrapper layout, int offset, int length, double xPos, double y, int selectionStart, int selectionEnd)
{
uint curIndex = 0, byteIndex = 0;
bool first = true, oldSelected = false;
int index, trailing;
layout.Layout.XyToIndex ((int)textEditor.HAdjustment.Value, 0, out index, out trailing);
var curchunk = layout.Chunks != null ? layout.Chunks.FirstOrDefault () : null;
for (int i = index; i < layout.LineChars.Length; i++) {
char ch = layout.LineChars [i];
if (ch != ' ' && ch != '\t')
continue;
if (ch == ' ' && !textEditor.Options.IncludeWhitespaces.HasFlag (IncludeWhitespaces.Space))
continue;
if (ch == '\t' && !textEditor.Options.IncludeWhitespaces.HasFlag (IncludeWhitespaces.Tab))
continue;
bool selected = selectionStart <= offset + i && offset + i < selectionEnd;
if (first || oldSelected != selected) {
first = false;
oldSelected = selected;
}
if (!selected && textEditor.Options.ShowWhitespaces != ShowWhitespaces.Always)
continue;
Pango.Rectangle pos = layout.Layout.IndexToPos ((int)TranslateToUTF8Index (layout.LineChars, (uint)i, ref curIndex, ref byteIndex));
double xpos = xPos + pos.X / Pango.Scale.PangoScale;
if (xpos > textEditor.Allocation.Width)
break;
Pango.Rectangle pos2 = layout.Layout.IndexToPos ((int)TranslateToUTF8Index (layout.LineChars, (uint)i + 1, ref curIndex, ref byteIndex));
double xpos2 = xPos + pos2.X / Pango.Scale.PangoScale;
Cairo.Color col = new Cairo.Color (0, 0, 0);
if (SelectionColor.TransparentForeground) {
while (curchunk != null && curchunk.EndOffset < offset + i)
curchunk = curchunk.Next;
if (curchunk != null && curchunk.SpanStack.Count > 0 && curchunk.SpanStack.Peek ().Color != "Plain Text") {
var chunkStyle = ColorStyle.GetChunkStyle (curchunk.SpanStack.Peek ().Color);
if (chunkStyle != null)
col = ColorStyle.GetForeground (chunkStyle);
} else {
col = ColorStyle.PlainText.Foreground;
}
} else {
col = selected ? SelectionColor.Foreground : col = ColorStyle.PlainText.Foreground;
}
ctx.Color = new Cairo.Color (col.R, col.G, col.B, whitespaceMarkerAlpha);
if (ch == '\t') {
DrawTabMarker (ctx, selected, xpos, xpos2, y);
} else {
DrawSpaceMarker (ctx, selected, xpos, xpos2, y);
}
}
}
void DecorateTabsAndSpaces (Cairo.Context ctx, LayoutWrapper layout, int offset, double x, double y, int selectionStart, int selectionEnd)
{
if (textEditor.Options.IncludeWhitespaces.HasFlag (IncludeWhitespaces.Space)) {
InnerDecorateTabsAndSpaces (ctx, layout, offset, x, y, selectionStart, selectionEnd, ' ');
}
if (textEditor.Options.IncludeWhitespaces.HasFlag (IncludeWhitespaces.Tab)) {
InnerDecorateTabsAndSpaces (ctx, layout, offset, x, y, selectionStart, selectionEnd, '\t');
}
}
protected override LayoutWrapper RenderLine (long line)
{
var layout = new TextLayout (Editor);
layout.Font = Editor.Options.Font;
// layout.Tabs = tabArray;
StringBuilder sb = new StringBuilder ();
long startOffset = line * Editor.BytesInRow;
long endOffset = System.Math.Min (startOffset + Editor.BytesInRow, Data.Length);
byte[] lineBytes = Data.GetBytes (startOffset, (int)(endOffset - startOffset));
for (int i = 0; i < lineBytes.Length; i++) {
sb.Append (string.Format ("{0:X2}", lineBytes[i]));
if (i % Editor.Options.GroupBytes == 0)
sb.Append (" "); // \t
}
layout.Text = sb.ToString ();
Margin.LayoutWrapper result = new LayoutWrapper (layout);
if (Data.IsSomethingSelected) {
ISegment selection = Data.MainSelection.Segment;
HandleSelection (selection.Offset, selection.EndOffset, startOffset, endOffset, null, delegate(long start, long end) {
result.Layout.SetForeground (Style.Selection, (int)(start - startOffset) * 3, (int)(end - start) * 3 - 1);
result.Layout.SetBackgound (Style.SelectionBg, (int)(start - startOffset) * 3, (int)(end - start) * 3 - 1);
});
}
return result;
}
void DecorateTabsAndSpaces (Cairo.Context ctx, LayoutWrapper layout, int offset, int length, double xPos, double y, int selectionStart, int selectionEnd)
{
uint curIndex = 0, byteIndex = 0;
bool first = true, oldSelected = false;
for (int i = 0; i < layout.LineChars.Length; i++) {
char ch = layout.LineChars[i];
if (ch != ' ' && ch != '\t')
continue;
bool selected = selectionStart <= offset + i && offset + i < selectionEnd;
if (first || oldSelected != selected) {
ctx.Color = selected ? SelectionColor.CairoColor : ColorStyle.WhitespaceMarker;
first = false;
oldSelected = selected;
}
Pango.Rectangle pos = layout.Layout.IndexToPos ((int)TranslateToUTF8Index (layout.LineChars, (uint)i, ref curIndex, ref byteIndex));
int xpos = pos.X;
if (ch == '\t') {
DrawTabMarker (ctx, selected, xPos + xpos / Pango.Scale.PangoScale, y);
} else {
DrawSpaceMarker (ctx, selected, xPos + xpos / Pango.Scale.PangoScale, y);
}
}
}
protected override LayoutWrapper RenderLine (long line)
{
Pango.Layout layout = new Pango.Layout (Editor.PangoContext);
layout.FontDescription = Editor.Options.Font;
layout.Tabs = tabArray;
StringBuilder sb = new StringBuilder ();
long startOffset = line * Editor.BytesInRow;
long endOffset = System.Math.Min (startOffset + Editor.BytesInRow, Data.Length);
byte[] lineBytes = Data.GetBytes (startOffset, (int)(endOffset - startOffset));
for (int i = 0; i < lineBytes.Length; i++) {
sb.Append (string.Format ("{0:X2}", lineBytes[i]));
if (i % Editor.Options.GroupBytes == 0)
sb.Append ("\t");
}
layout.SetText (sb.ToString ());
char[] lineChars = sb.ToString ().ToCharArray ();
Margin.LayoutWrapper result = new LayoutWrapper (layout);
uint curIndex = 0, byteIndex = 0;
if (Data.IsSomethingSelected) {
ISegment selection = Data.MainSelection.Segment;
HandleSelection (selection.Offset, selection.EndOffset, startOffset, endOffset, null, delegate(long start, long end) {
Pango.AttrForeground selectedForeground = new Pango.AttrForeground (Style.Selection.Red,
Style.Selection.Green,
Style.Selection.Blue);
selectedForeground.StartIndex = TranslateToUTF8Index (lineChars, TranslateColumn (start - startOffset), ref curIndex, ref byteIndex);
selectedForeground.EndIndex = TranslateToUTF8Index (lineChars, TranslateColumn (end - startOffset) - 1, ref curIndex, ref byteIndex);
result.Add (selectedForeground);
Pango.AttrBackground attrBackground = new Pango.AttrBackground (Style.SelectionBg.Red,
Style.SelectionBg.Green,
Style.SelectionBg.Blue);
attrBackground.StartIndex = selectedForeground.StartIndex;
attrBackground.EndIndex = selectedForeground.EndIndex;
result.Add (attrBackground);
});
}
result.SetAttributes ();
return result;
}
void InnerDecorateTabsAndSpaces (Cairo.Context ctx, LayoutWrapper layout, int offset, double x, double y, int selectionStart, int selectionEnd, char spaceOrTab)
{
var chars = layout.LineChars;
if (Array.IndexOf (chars, spaceOrTab) == -1)
return;
uint curIndex = 0, byteIndex = 0;
bool first = true, oldSelected = false;
var curchunk = layout.Chunks != null ? layout.Chunks.FirstOrDefault () : null;
var dotThickness = textEditor.Options.Zoom * 2;
var textEditorWidth = textEditor.Allocation.Width;
//Get 1st visible character index from left based on HAdjustment
int index, trailing;
layout.Layout.XyToIndex ((int)textEditor.HAdjustment.Value, 0, out index, out trailing);
double ypos;
if (spaceOrTab == ' ') {
ypos = System.Math.Floor (y + (LineHeight - dotThickness) / 2);
} else {
ypos = 0.5 + System.Math.Floor (y + LineHeight / 2);
}
var showOnlySelected = textEditor.Options.ShowWhitespaces != ShowWhitespaces.Always;
var lastColor = new Cairo.Color ();
bool firstDraw = true;
var foregroundColor = ColorStyle.PlainText.Foreground;
int lastIndex = -1;
int lastPosX = 0;
for (int i = index; i < chars.Length; i++) {
if (spaceOrTab != chars [i])
continue;
bool selected = selectionStart <= offset + i && offset + i < selectionEnd;
if (first || oldSelected != selected) {
first = false;
oldSelected = selected;
}
if (showOnlySelected && !selected)
continue;
int line, posX;
if (lastIndex == i) {
posX = lastPosX;
} else {
layout.Layout.IndexToLineX ((int)TranslateToUTF8Index (chars, (uint)i, ref curIndex, ref byteIndex), false, out line, out posX);
}
double xpos = x + posX / Pango.Scale.PangoScale;
if (xpos > textEditorWidth)
break;
layout.Layout.IndexToLineX ((int)TranslateToUTF8Index (chars, (uint)i + 1, ref curIndex, ref byteIndex), false, out line, out posX);
lastPosX = posX;
lastIndex = i + 1;
double xpos2 = x + posX / Pango.Scale.PangoScale;
var col = new Cairo.Color (0, 0, 0);
if (SelectionColor.TransparentForeground) {
while (curchunk != null && curchunk.EndOffset < offset + i)
curchunk = curchunk.Next;
if (curchunk != null && curchunk.SpanStack.Count > 0 && curchunk.SpanStack.Peek ().Color != "Plain Text") {
var chunkStyle = ColorStyle.GetChunkStyle (curchunk.SpanStack.Peek ().Color);
if (chunkStyle != null)
col = ColorStyle.GetForeground (chunkStyle);
} else {
col = foregroundColor;
}
} else {
col = selected ? SelectionColor.Foreground : foregroundColor;
}
if (firstDraw || (lastColor.R != col.R && lastColor.G != col.G && lastColor.B != col.B)) {
ctx.SetSourceRGBA (col.R, col.G, col.B, whitespaceMarkerAlpha);
lastColor = col;
firstDraw = false;
}
if (spaceOrTab == ' ') {
ctx.Rectangle (xpos + (xpos2 - xpos - dotThickness) / 2, ypos, dotThickness, dotThickness);
} else {
ctx.MoveTo (0.5 + xpos, ypos);
ctx.LineTo (0.5 + xpos2 - charWidth / 2, ypos);
}
}
if (!firstDraw) {//Atleast one draw was called
if (spaceOrTab == ' ') {
ctx.Fill ();
} else {
ctx.Stroke ();
}
}
}
void DecorateTabs (Gdk.Drawable win, LayoutWrapper layout, int offset, int length, int xPos, int y, int selectionStart, int selectionEnd)
{
uint curIndex = 0, byteIndex = 0;
for (int i = 0; i < layout.LineChars.Length; i++) {
if (layout.LineChars[i] == '\t') {
Pango.Rectangle pos = layout.Layout.IndexToPos ((int)TranslateToUTF8Index (layout.LineChars, (uint)i, ref curIndex, ref byteIndex));
int xpos = pos.X;
DrawTabMarker (win, selectionStart <= offset + i && offset + i < selectionEnd, xPos + xpos / 1024, y);
}
}
}
LayoutWrapper GetVirtualSpaceLayout (DocumentLine line, DocumentLocation location)
{
string virtualSpace = "";
var data = textEditor.GetTextEditorData ();
if (data.HasIndentationTracker && line.Length == 0) {
virtualSpace = this.textEditor.GetTextEditorData ().GetIndentationString (location);
}
if (location.Column > line.Length + 1 + virtualSpace.Length)
virtualSpace += new string (' ', location.Column - line.Length - 1 - virtualSpace.Length);
// predit layout already contains virtual space.
if (!string.IsNullOrEmpty (textEditor.preeditString))
virtualSpace = "";
LayoutWrapper wrapper = new LayoutWrapper (textEditor.LayoutCache.RequestLayout ());
wrapper.LineChars = virtualSpace.ToCharArray ();
wrapper.Layout.SetText (virtualSpace);
wrapper.Layout.Tabs = tabArray;
wrapper.Layout.FontDescription = textEditor.Options.Font;
int vy, vx;
wrapper.Layout.GetSize (out vx, out vy);
wrapper.Width = wrapper.LastLineWidth = vx / Pango.Scale.PangoScale;
return wrapper;
}
void DecorateMatchingBracket (Gdk.Drawable win, LayoutWrapper layout, int offset, int length, int xPos, int y, int selectionStart, int selectionEnd)
{
uint curIndex = 0, byteIndex = 0;
if (offset <= highlightBracketOffset && highlightBracketOffset <= offset + length) {
int index = highlightBracketOffset - offset;
Pango.Rectangle rect = layout.Layout.IndexToPos ((int)TranslateToUTF8Index (layout.LineChars, (uint)index, ref curIndex, ref byteIndex));
Gdk.Rectangle bracketMatch = new Gdk.Rectangle (xPos + (int)(rect.X / Pango.Scale.PangoScale), y, (int)(rect.Width / Pango.Scale.PangoScale) - 1, (int)(rect.Height / Pango.Scale.PangoScale) - 1);
if (BackgroundRenderer == null)
win.DrawRectangle (GetGC (this.ColorStyle.BracketHighlightRectangle.BackgroundColor), true, bracketMatch);
win.DrawRectangle (GetGC (this.ColorStyle.BracketHighlightRectangle.Color), false, bracketMatch);
}
}
void DecorateMatchingBracket (Cairo.Context ctx, LayoutWrapper layout, int offset, int length, double xPos, double y, int selectionStart, int selectionEnd)
{
uint curIndex = 0, byteIndex = 0;
if (offset <= highlightBracketOffset && highlightBracketOffset <= offset + length) {
int index = highlightBracketOffset - offset;
Pango.Rectangle rect = layout.Layout.IndexToPos ((int)TranslateToUTF8Index (layout.LineChars, (uint)index, ref curIndex, ref byteIndex));
var bracketMatch = new Cairo.Rectangle (xPos + rect.X / Pango.Scale.PangoScale + 0.5, y + 0.5, (rect.Width / Pango.Scale.PangoScale) - 1, (rect.Height / Pango.Scale.PangoScale) - 1);
if (BackgroundRenderer == null) {
ctx.Color = this.ColorStyle.BraceMatchingRectangle.Color;
ctx.Rectangle (bracketMatch);
ctx.FillPreserve ();
ctx.Color = this.ColorStyle.BraceMatchingRectangle.SecondColor;
ctx.Stroke ();
}
}
}
void DrawLinePart (Gdk.Drawable win, LineSegment line, int offset, int length, ref int pangoPosition, ref bool isSelectionDrawn, int y, int maxX)
{
SyntaxMode mode = Document.SyntaxMode != null && textEditor.Options.EnableSyntaxHighlighting ? Document.SyntaxMode : SyntaxMode.Default;
int selectionStart;
int selectionEnd;
if (BackgroundRenderer != null || this.HideSelection) {
selectionStart = selectionEnd = -1;
} else {
GetSelectionOffsets (line, out selectionStart, out selectionEnd);
}
// ---- new renderer
LayoutWrapper layout = CreateLinePartLayout (mode, line, offset, length, selectionStart, selectionEnd);
int width = (int)(layout.PangoWidth / Pango.Scale.PangoScale);
int xPos = (int)(pangoPosition / Pango.Scale.PangoScale);
bool drawBg = true;
bool drawText = true;
foreach (TextMarker marker in line.Markers) {
IBackgroundMarker bgMarker = marker as IBackgroundMarker;
if (bgMarker == null || !marker.IsVisible)
continue;
isSelectionDrawn |= (marker.Flags & TextMarkerFlags.DrawsSelection) == TextMarkerFlags.DrawsSelection;
drawText &= bgMarker.DrawBackground (textEditor, win, layout, selectionStart, selectionEnd, offset, offset + length, y, xPos, xPos + width, ref drawBg);
}
if (DecorateLineBg != null)
DecorateLineBg (win, layout, offset, length, xPos, y, selectionStart, selectionEnd);
if (!isSelectionDrawn && (layout.StartSet || selectionStart == offset + length)) {
int startX;
int endX;
if (selectionStart != offset + length) {
var start = layout.Layout.IndexToPos ((int)layout.SelectionStartIndex);
startX = (int)(start.X / Pango.Scale.PangoScale);
var end = layout.Layout.IndexToPos ((int)layout.SelectionEndIndex);
endX = (int)(end.X / Pango.Scale.PangoScale);
} else {
startX = width;
endX = startX;
}
if (textEditor.MainSelection.SelectionMode == SelectionMode.Block && startX == endX) {
endX = startX + 2;
}
DrawRectangleWithRuler (win, xPos + (int)textEditor.HAdjustment.Value - TextStartPosition, new Rectangle (xPos + startX, y, endX - startX, textEditor.LineHeight), this.SelectionColor.BackgroundColor, true);
}
// highlight search results
ISegment firstSearch;
int o = offset;
uint curIndex = 0, byteIndex = 0;
while ((firstSearch = GetFirstSearchResult (o, offset + length)) != null) {
int x = pangoPosition;
HandleSelection (line, selectionStart, selectionEnd, firstSearch.Offset, firstSearch.EndOffset, delegate(int start, int end) {
uint startIndex = (uint)(start - offset);
uint endIndex = (uint)(end - offset);
if (startIndex < endIndex && endIndex <= layout.LineChars.Length) {
uint startTranslated = TranslateToUTF8Index (layout.LineChars, startIndex, ref curIndex, ref byteIndex);
uint endTranslated = TranslateToUTF8Index (layout.LineChars, endIndex, ref curIndex, ref byteIndex);
using (Cairo.Context cr = Gdk.CairoHelper.Create (win)) {
cr.Rectangle (XOffset, 0, textEditor.Allocation.Width - XOffset, textEditor.Allocation.Height);
cr.Clip ();
int l, x1, x2;
layout.Layout.IndexToLineX ((int)startTranslated, false, out l, out x1);
layout.Layout.IndexToLineX ((int)endTranslated, false, out l, out x2);
x1 += x;
x2 += x;
x1 /= (int)Pango.Scale.PangoScale;
x2 /= (int)Pango.Scale.PangoScale;
cr.Color = Mono.TextEditor.Highlighting.Style.ToCairoColor (MainSearchResult == null || MainSearchResult.Offset != firstSearch.Offset ? ColorStyle.SearchTextBg : ColorStyle.SearchTextMainBg, AlphaBlendSearchResults ? 0.6 : 1.0);
FoldingScreenbackgroundRenderer.DrawRoundRectangle (cr, true, true, x1, y, (int)(System.Math.Min (10, width) * textEditor.Options.Zoom), x2 - x1, textEditor.LineHeight);
cr.Fill ();
}
}
}, null);
o = System.Math.Max (firstSearch.EndOffset, o + 1);
}
win.DrawLayout (GetGC (ColorStyle.Default.Color), xPos, y, layout.Layout);
if (DecorateLineFg != null)
DecorateLineFg (win, layout, offset, length, xPos, y, selectionStart, selectionEnd);
if (Document.GetLine (Caret.Line) == line) {
int caretOffset = Caret.Offset;
if (offset <= caretOffset && caretOffset <= offset + length) {
Pango.Rectangle strong_pos, weak_pos;
int index = caretOffset- offset;
if (offset <= textEditor.preeditOffset && textEditor.preeditOffset < offset + length) {
index += textEditor.preeditString.Length;
}
if (Caret.Column > line.EditableLength) {
string virtualSpace = this.textEditor.GetTextEditorData ().GetVirtualSpaces (Caret.Line, Caret.Column);
LayoutWrapper wrapper = new LayoutWrapper (PangoUtil.CreateLayout (textEditor));
wrapper.LineChars = virtualSpace.ToCharArray ();
wrapper.Layout.SetText (virtualSpace);
wrapper.Layout.Tabs = tabArray;
int vy, vx;
wrapper.Layout.GetSize (out vx, out vy);
SetVisibleCaretPosition (win, ' ', (int)((pangoPosition + vx + layout.PangoWidth) / Pango.Scale.PangoScale), y);
xPos = (int)((pangoPosition + layout.PangoWidth) / Pango.Scale.PangoScale);
if (!isSelectionDrawn && (selectionEnd == line.Offset + line.EditableLength)) {
int startX;
int endX;
startX = xPos;
endX = (int)((pangoPosition + vx + layout.PangoWidth) / Pango.Scale.PangoScale);
DrawRectangleWithRuler (win, xPos + (int)textEditor.HAdjustment.Value - TextStartPosition, new Rectangle (startX, y, endX - startX, textEditor.LineHeight), this.SelectionColor.BackgroundColor, true);
}
if (DecorateLineBg != null)
DecorateLineBg (win, wrapper, offset, length, xPos, y, selectionStart, selectionEnd + virtualSpace.Length);
if (DecorateLineFg != null)
DecorateLineFg (win, wrapper, offset, length, xPos, y, selectionStart, selectionEnd + virtualSpace.Length);
wrapper.Dispose ();
pangoPosition += vx;
} else if (index >= 0 && index < length) {
curIndex = byteIndex = 0;
layout.Layout.GetCursorPos ((int)TranslateToUTF8Index (layout.LineChars, (uint)index, ref curIndex, ref byteIndex), out strong_pos, out weak_pos);
char caretChar = Document.GetCharAt (caretOffset);
if (textEditor.Options.ShowSpaces && caretChar == ' ')
caretChar = spaceMarkerChar;
if (textEditor.Options.ShowTabs && caretChar == '\t')
caretChar = tabMarkerChar;
SetVisibleCaretPosition (win, caretChar, xPos + (int)(strong_pos.X / Pango.Scale.PangoScale), y);
} else if (index == length) {
SetVisibleCaretPosition (win, textEditor.Options.ShowEolMarkers ? eolMarkerChar : ' ', (int)((pangoPosition + layout.PangoWidth) / Pango.Scale.PangoScale), y);
}
}
}
foreach (TextMarker marker in line.Markers) {
marker.Draw (textEditor, win, layout.Layout, false, /*selected*/offset, offset + length, y, xPos, xPos + width);
}
pangoPosition += layout.PangoWidth;
if (layout.IsUncached)
layout.Dispose ();
}
void DrawLinePart (Cairo.Context cr, DocumentLine line, int lineNumber, int logicalRulerColumn, int offset, int length, ref double pangoPosition, ref bool isSelectionDrawn, double y, double maxX, double _lineHeight)
{
ISyntaxMode mode = Document.SyntaxMode != null && textEditor.Options.EnableSyntaxHighlighting ? Document.SyntaxMode : new SyntaxMode (Document);
int selectionStart;
int selectionEnd;
if (this.HideSelection) {
selectionStart = selectionEnd = -1;
} else {
GetSelectionOffsets (line, out selectionStart, out selectionEnd);
}
// ---- new renderer
LayoutWrapper layout = CreateLinePartLayout (mode, line, logicalRulerColumn, offset, length, selectionStart, selectionEnd);
int lineOffset = line.Offset;
double width = layout.PangoWidth / Pango.Scale.PangoScale;
double xPos = pangoPosition / Pango.Scale.PangoScale;
// The caret line marker must be drawn below the text markers otherwise the're invisible
if ((HighlightCaretLine || textEditor.Options.HighlightCaretLine) && Caret.Line == lineNumber)
DrawCaretLineMarker (cr, xPos, y, layout.PangoWidth / Pango.Scale.PangoScale, _lineHeight);
// if (!(HighlightCaretLine || textEditor.Options.HighlightCaretLine) || Document.GetLine(Caret.Line) != line) {
if (BackgroundRenderer == null) {
foreach (var bg in layout.BackgroundColors) {
int x1, x2;
x1 = layout.Layout.IndexToPos (bg.FromIdx).X;
x2 = layout.Layout.IndexToPos (bg.ToIdx).X;
DrawRectangleWithRuler (
cr, xPos + textEditor.HAdjustment.Value - TextStartPosition,
new Cairo.Rectangle ((x1 + pangoPosition) / Pango.Scale.PangoScale, y, (x2 - x1) / Pango.Scale.PangoScale + 1, _lineHeight),
bg.Color, true);
}
}
bool drawBg = true;
bool drawText = true;
LineMetrics metrics = new LineMetrics {
LineSegment = line,
Layout = layout,
SelectionStart = selectionStart,
SelectionEnd = selectionEnd,
TextStartOffset = offset,
TextEndOffset = offset + length,
TextRenderStartPosition = xPos,
TextRenderEndPosition = xPos + width,
LineHeight = _lineHeight,
WholeLineWidth = textEditor.Allocation.Width - xPos
};
foreach (TextLineMarker marker in line.Markers) {
if (!marker.IsVisible)
continue;
if (marker.DrawBackground (textEditor, cr, y, metrics)) {
isSelectionDrawn |= (marker.Flags & TextLineMarkerFlags.DrawsSelection) == TextLineMarkerFlags.DrawsSelection;
}
var bgMarker = marker as IBackgroundMarker;
if (bgMarker != null) {
isSelectionDrawn |= (marker.Flags & TextLineMarkerFlags.DrawsSelection) == TextLineMarkerFlags.DrawsSelection;
drawText &= bgMarker.DrawBackground (textEditor, cr, metrics.Layout, metrics.SelectionStart, metrics.SelectionEnd, metrics.TextStartOffset, metrics.TextEndOffset, y, metrics.TextRenderStartPosition, metrics.TextRenderEndPosition, ref drawBg);
continue;
}
}
if (DecorateLineBg != null)
DecorateLineBg (cr, layout, offset, length, xPos, y, selectionStart, selectionEnd);
if (!isSelectionDrawn && (layout.StartSet || selectionStart == offset + length) && BackgroundRenderer == null) {
double startX;
double endX;
if (selectionStart != offset + length) {
var start = layout.Layout.IndexToPos ((int)layout.SelectionStartIndex);
startX = System.Math.Floor (start.X / Pango.Scale.PangoScale);
var end = layout.Layout.IndexToPos ((int)layout.SelectionEndIndex);
endX = System.Math.Ceiling (end.X / Pango.Scale.PangoScale);
} else {
startX = width;
endX = startX;
}
if (textEditor.MainSelection.SelectionMode == SelectionMode.Block && startX == endX) {
endX = startX + 2;
}
DrawRectangleWithRuler (cr, xPos + textEditor.HAdjustment.Value - TextStartPosition, new Cairo.Rectangle (xPos + startX, y, endX - startX, _lineHeight), this.SelectionColor.Background, true);
}
// highlight search results
TextSegment firstSearch;
int o = offset;
uint curIndex = 0, byteIndex = 0;
if (textEditor.HighlightSearchPattern) {
while (!(firstSearch = GetFirstSearchResult (o, offset + length)).IsInvalid) {
double x = pangoPosition;
HandleSelection (lineOffset, logicalRulerColumn, selectionStart, selectionEnd, System.Math.Max (lineOffset, firstSearch.Offset), System.Math.Min (lineOffset + line.Length, firstSearch.EndOffset), delegate(int start, int end) {
uint startIndex = (uint)(start - offset);
uint endIndex = (uint)(end - offset);
if (startIndex < endIndex && endIndex <= layout.LineChars.Length) {
uint startTranslated = TranslateToUTF8Index (layout.LineChars, startIndex, ref curIndex, ref byteIndex);
uint endTranslated = TranslateToUTF8Index (layout.LineChars, endIndex, ref curIndex, ref byteIndex);
int l, x1, x2;
layout.Layout.IndexToLineX ((int)startTranslated, false, out l, out x1);
layout.Layout.IndexToLineX ((int)endTranslated, false, out l, out x2);
int w = (int) System.Math.Ceiling ((x2 - x1) / Pango.Scale.PangoScale);
int s = (int) System.Math.Floor ((x1 + x) / Pango.Scale.PangoScale);
double corner = System.Math.Min (4, width) * textEditor.Options.Zoom;
cr.Color = MainSearchResult.IsInvalid || MainSearchResult.Offset != firstSearch.Offset ? ColorStyle.SearchResult.Color : ColorStyle.SearchResultMain.Color;
FoldingScreenbackgroundRenderer.DrawRoundRectangle (cr, true, true, s, y, corner, w + 1, LineHeight);
cr.Fill ();
}
}, null);
o = System.Math.Max (firstSearch.EndOffset, o + 1);
}
}
cr.Save ();
cr.Translate (xPos, y);
cr.ShowLayout (layout.Layout);
cr.Restore ();
if (offset == line.Offset) {
DrawIndent (cr, layout, line, xPos, y);
}
if (textEditor.Options.ShowWhitespaces != ShowWhitespaces.Never && !(BackgroundRenderer != null && textEditor.Options.ShowWhitespaces == ShowWhitespaces.Selection))
DecorateTabsAndSpaces (cr, layout, offset, length, xPos, y, selectionStart, selectionEnd);
if (lineNumber == Caret.Line) {
int caretOffset = Caret.Offset;
if (offset <= caretOffset && caretOffset <= offset + length) {
int index = caretOffset - offset;
if (Caret.Column > line.Length + 1) {
string virtualSpace = "";
var data = textEditor.GetTextEditorData ();
if (data.HasIndentationTracker && line.Length == 0) {
virtualSpace = this.textEditor.GetTextEditorData ().GetIndentationString (Caret.Location);
}
if (Caret.Column > line.Length + 1 + virtualSpace.Length)
virtualSpace += new string (' ', Caret.Column - line.Length - 1 - virtualSpace.Length);
// predit layout already contains virtual space.
if (!string.IsNullOrEmpty (textEditor.preeditString))
virtualSpace = "";
LayoutWrapper wrapper = new LayoutWrapper (PangoUtil.CreateLayout (textEditor));
wrapper.LineChars = virtualSpace.ToCharArray ();
wrapper.Layout.SetText (virtualSpace);
wrapper.Layout.Tabs = tabArray;
wrapper.Layout.FontDescription = textEditor.Options.Font;
int vy, vx;
wrapper.Layout.GetSize (out vx, out vy);
var x = ((pangoPosition + vx + layout.PangoWidth) / Pango.Scale.PangoScale);
SetVisibleCaretPosition (x, y, x, y);
xPos = (pangoPosition + layout.PangoWidth) / Pango.Scale.PangoScale;
if (!isSelectionDrawn && (selectionEnd == lineOffset + line.Length) && BackgroundRenderer == null) {
double startX;
double endX;
startX = xPos;
endX = (pangoPosition + vx + layout.PangoWidth) / Pango.Scale.PangoScale;
DrawRectangleWithRuler (cr, xPos + textEditor.HAdjustment.Value - TextStartPosition, new Cairo.Rectangle (startX, y, endX - startX, _lineHeight), this.SelectionColor.Background, true);
}
// When drawing virtual space before the selection start paint it as unselected.
var virtualSpaceMod = selectionStart < caretOffset ? 0 : virtualSpace.Length;
if ((!textEditor.IsSomethingSelected || (selectionStart >= offset && selectionStart != selectionEnd)) && (HighlightCaretLine || textEditor.Options.HighlightCaretLine) && Caret.Line == lineNumber)
DrawCaretLineMarker (cr, pangoPosition / Pango.Scale.PangoScale, y, vx / Pango.Scale.PangoScale, _lineHeight);
if (DecorateLineBg != null)
DecorateLineBg (cr, wrapper, offset, length, xPos, y, selectionStart + virtualSpaceMod, selectionEnd + virtualSpace.Length);
switch (textEditor.Options.ShowWhitespaces) {
case ShowWhitespaces.Selection:
if (textEditor.IsSomethingSelected && (selectionStart < offset || selectionStart == selectionEnd) && BackgroundRenderer == null)
DecorateTabsAndSpaces (cr, wrapper, offset, length, xPos, y, selectionStart, selectionEnd + virtualSpace.Length);
break;
case ShowWhitespaces.Always:
DecorateTabsAndSpaces (cr, wrapper, offset, length, xPos, y, selectionStart, selectionEnd + virtualSpace.Length);
break;
}
wrapper.Dispose ();
pangoPosition += vx;
} else if (index == length && string.IsNullOrEmpty (textEditor.preeditString)) {
var x = (pangoPosition + layout.PangoWidth) / Pango.Scale.PangoScale;
SetVisibleCaretPosition (x, y, x, y);
} else if (index >= 0 && index <= length) {
Pango.Rectangle strong_pos, weak_pos;
curIndex = byteIndex = 0;
int utf8ByteIndex = (int)TranslateToUTF8Index (layout.LineChars, (uint)index, ref curIndex, ref byteIndex);
layout.Layout.GetCursorPos (utf8ByteIndex, out strong_pos, out weak_pos);
var cx = xPos + (strong_pos.X / Pango.Scale.PangoScale);
var cy = y + (strong_pos.Y / Pango.Scale.PangoScale);
if (textEditor.preeditCursorCharIndex == 0) {
SetVisibleCaretPosition (cx, cy, cx, cy);
} else {
var preeditIndex = (uint)(index + textEditor.preeditCursorCharIndex);
utf8ByteIndex = (int)TranslateToUTF8Index (layout.LineChars, preeditIndex, ref curIndex, ref byteIndex);
layout.Layout.GetCursorPos (utf8ByteIndex, out strong_pos, out weak_pos);
var pcx = xPos + (strong_pos.X / Pango.Scale.PangoScale);
var pcy = y + (strong_pos.Y / Pango.Scale.PangoScale);
SetVisibleCaretPosition (pcx, pcy, cx, cy);
}
}
}
}
foreach (TextLineMarker marker in line.Markers.Where (m => m.IsVisible)) {
if (layout.Layout != null)
marker.Draw (textEditor, cr, y, metrics);
}
foreach (var marker in Document.GetTextSegmentMarkersAt (line).Where (m => m.IsVisible)) {
if (layout.Layout != null)
marker.Draw (textEditor, cr, layout.Layout, false, /*selected*/offset, offset + length, y, xPos, xPos + width);
}
pangoPosition += layout.PangoWidth;
int scaledDown = (int)(pangoPosition / Pango.Scale.PangoScale);
pangoPosition = scaledDown * Pango.Scale.PangoScale;
if (layout.IsUncached)
layout.Dispose ();
}
public LayoutDescriptor (LineSegment line, int offset, int length, LayoutWrapper layout, int selectionStart, int selectionEnd) : base(line, offset, length)
{
this.Layout = layout;
this.SelectionStart = selectionStart;
this.SelectionEnd = selectionEnd;
}
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;
}
LayoutWrapper GetCachedLayout (LineSegment line, int offset, int length, int selectionStart, int selectionEnd, Action<LayoutWrapper> createNew)
{
bool containsPreedit = offset <= textEditor.preeditOffset && textEditor.preeditOffset <= offset + length;
LayoutDescriptor descriptor;
if (!containsPreedit && layoutDict.TryGetValue (line, out descriptor)) {
bool isInvalid;
if (descriptor.Equals (line, offset, length, selectionStart, selectionEnd, out isInvalid)) {
return descriptor.Layout;
}
descriptor.Dispose ();
layoutDict.Remove (line);
}
var wrapper = new LayoutWrapper (PangoUtil.CreateLayout (textEditor));
wrapper.IsUncached = containsPreedit;
createNew (wrapper);
selectionStart = System.Math.Max (line.Offset - 1, selectionStart);
selectionEnd = System.Math.Min (line.EndOffset + 1, selectionEnd);
descriptor = new LayoutDescriptor (line, offset, length, wrapper, selectionStart, selectionEnd);
if (!containsPreedit)
layoutDict[line] = descriptor;
return wrapper;
}
