public MdTextViewLineCollection(MonoTextEditor textEditor) : base(64)
{
this.textView = textEditor;
this.version = this.textView.Document.Version;
int startLine = textEditor.TextArea.YToLine(textEditor.VAdjustment.Value);
double startY = textEditor.TextArea.LineToY(startLine);
double curY = startY;
double lastY = textEditor.VAdjustment.Value + textEditor.Allocation.Height;
for (int visualLineNumber = textEditor.GetTextEditorData().LogicalToVisualLine(startLine); ; visualLineNumber++)
{
int logicalLineNumber = textEditor.GetTextEditorData().VisualToLogicalLine(visualLineNumber);
var line = textEditor.GetLine(logicalLineNumber);
if (line == null)
{
break;
}
Add(new MdTextViewLine(this, textEditor, line, textEditor.TextViewMargin.GetLayout(line)));
curY += textEditor.TextArea.GetLineHeight(line);
if (curY >= lastY)
{
break;
}
}
}
void EditorCarethandlePositionChanged(object sender, DocumentLocationEventArgs e)
{
if (!editor.GetTextEditorData().HighlightCaretLine || e.Location.Line == editor.Caret.Line)
{
return;
}
editor.RedrawMarginLine(this, e.Location.Line);
editor.RedrawMarginLine(this, editor.Caret.Line);
}
public void SetSegment(ISegment segment, bool removeIndent)
{
int startLine = editor.Document.OffsetToLineNumber(segment.Offset);
int endLine = editor.Document.OffsetToLineNumber(segment.EndOffset);
bool pushedLineLimit = endLine - startLine > maxLines;
if (pushedLineLimit)
{
segment = new TextSegment(segment.Offset, editor.Document.GetLine(startLine + maxLines).Offset - segment.Offset);
}
layout.Ellipsize = Pango.EllipsizeMode.End;
layout.SetMarkup(editor.GetTextEditorData().GetMarkup(segment.Offset, segment.Length, removeIndent) + (pushedLineLimit ? Environment.NewLine + "..." : ""));
QueueDraw();
}
public void SetSegment(ISegment segment, bool removeIndent)
{
this.Segment = segment;
// no need to markup thousands of lines for a preview window
int startLine = editor.Document.OffsetToLineNumber(segment.Offset);
int endLine = editor.Document.OffsetToLineNumber(segment.EndOffset);
bool pushedLineLimit = endLine - startLine > MaximumLineCount;
if (pushedLineLimit)
{
segment = new TextSegment(segment.Offset, editor.Document.GetLine(startLine + MaximumLineCount).Offset - segment.Offset);
}
Markup = editor.GetTextEditorData().GetMarkup(segment.Offset, segment.Length, removeIndent) + (pushedLineLimit ? Environment.NewLine + "..." : "");
}
internal protected override void MousePressed(MarginMouseEventArgs args)
{
base.MousePressed(args);
if (args.Button != 1 || args.LineNumber < DocumentLocation.MinLine)
{
return;
}
editor.LockedMargin = this;
int lineNumber = args.LineNumber;
bool extendSelection = (args.ModifierState & Gdk.ModifierType.ShiftMask) == Gdk.ModifierType.ShiftMask;
if (lineNumber <= editor.Document.LineCount)
{
DocumentLocation loc = new DocumentLocation(lineNumber, DocumentLocation.MinColumn);
DocumentLine line = args.LineSegment;
if (args.Type == EventType.TwoButtonPress)
{
if (line != null)
{
editor.MainSelection = new Selection(loc, GetLineEndLocation(editor.GetTextEditorData(), lineNumber));
}
}
else if (extendSelection)
{
if (!editor.IsSomethingSelected)
{
editor.MainSelection = new Selection(loc, loc);
}
else
{
editor.MainSelection = editor.MainSelection.WithLead(loc);
}
}
else
{
anchorLocation = loc;
editor.ClearSelection();
}
editor.Caret.PreserveSelection = true;
editor.Caret.Location = loc;
editor.Caret.PreserveSelection = false;
}
}