Пример #1
0
		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;
		}
Пример #2
0
		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;
		}
Пример #3
0
		public LayoutWrapper CreateLinePartLayout (SyntaxMode mode, LineSegment line, int offset, int length, int selectionStart, int selectionEnd)
		{
			return GetCachedLayout (line, offset, length, selectionStart, selectionEnd, delegate (LayoutWrapper wrapper) {
				var atts = new FastPangoAttrList ();
				wrapper.Layout.Alignment = Pango.Alignment.Left;
				wrapper.Layout.FontDescription = textEditor.Options.Font;
				wrapper.Layout.Tabs = tabArray;
				StringBuilder textBuilder = new StringBuilder ();
				Chunk startChunk = GetCachedChunks (mode, Document, textEditor.ColorStyle, line, offset, length);
				for (Chunk chunk = startChunk; chunk != null; chunk = chunk != null ? chunk.Next : null) {
					try {
						textBuilder.Append (chunk.GetText (Document));
					} catch {
						Console.WriteLine (chunk);
					}
				}
				string lineText = textBuilder.ToString ();
				bool containsPreedit = offset <= textEditor.preeditOffset && textEditor.preeditOffset <= offset + length;
				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;
				for (Chunk chunk = startChunk; chunk != null; chunk = chunk != null ? chunk.Next : null) {
					ChunkStyle chunkStyle = chunk != null ? chunk.GetChunkStyle (textEditor.ColorStyle) : 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 (line, selectionStart, selectionEnd, chunk.Offset, chunk.EndOffset, delegate(int start, int end) {
							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)) {
								atts.AddBackgroundAttribute (chunkStyle.BackgroundColor, si, ei);
							}
						}, delegate(int start, int end) {
							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)(si + preeditLength), ref curIndex, ref byteIndex);
					atts.AddUnderlineAttribute (Pango.Underline.Single, si, ei);
				}
				wrapper.LineChars = lineChars;
				wrapper.Layout.SetText (lineText);
				atts.AssignTo (wrapper.Layout);
				atts.Dispose ();
				int w, h;
				wrapper.Layout.GetSize (out w, out h);
				wrapper.PangoWidth = w;
			});
		}
		public LayoutWrapper CreateLinePartLayout (SyntaxMode mode, LineSegment line, int logicalRulerColumn, int offset, int length, int selectionStart, int selectionEnd)
		{
			return GetCachedLayout (line, offset, length, selectionStart, selectionEnd, delegate(LayoutWrapper wrapper) {
				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 ();
				Chunk startChunk = GetCachedChunks (mode, Document, textEditor.ColorStyle, line, offset, length);
				for (Chunk chunk = startChunk; chunk != null; chunk = chunk != null ? chunk.Next : null) {
					try {
						textBuilder.Append (chunk.GetText (Document));
					} catch {
						Console.WriteLine (chunk);
					}
				}
				var spanStack = line.StartSpan;
				int lineOffset = line.Offset;
				string lineText = textBuilder.ToString ();
				bool containsPreedit = !string.IsNullOrEmpty (textEditor.preeditString) && offset <= textEditor.preeditOffset && textEditor.preeditOffset <= offset + length;
				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;
				for (Chunk chunk = startChunk; chunk != null; chunk = chunk != null ? chunk.Next : null) {
					ChunkStyle chunkStyle = chunk != null ? chunk.GetChunkStyle (textEditor.ColorStyle) : 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.AddUnderlineAttribute (Pango.Underline.Single, si, ei);
					
					var parser = Document.SyntaxMode.CreateSpanParser (Document, Document.SyntaxMode, line, line.StartSpan);
					
					parser.ParseSpans (line.Offset, textEditor.preeditOffset);
					var preEditColor = parser.CurSpan != null ? ColorStyle.GetChunkStyle (parser.CurSpan.Color).Color : ColorStyle.Default.Color;
					atts.AddForegroundAttribute (preEditColor, si, ei);
				}
				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;
			});
		}
Пример #5
0
 public void Splice(FastPangoAttrList attrs, int pos, int len)
 {
     throw new NotImplementedException();
     //pango_attr_list_splice(list, attrs, pos, len);
 }
Пример #6
0
 public void InsertOffsetList(FastPangoAttrList atts, int startOffset, int endOffset)
 {
     InsertOffsetList(atts.list, startOffset, endOffset);
 }