protected override void HandleMessageText(IMessage msg, float textXPos)
{
DrawContext dc = ctx;
var line = dc.GetTextToDisplay(msg).GetNthTextLine(pos.TextLineIndex);
var lineCharIdx = pos.LineCharIndex;
if (lineCharIdx > line.Value.Length)
{
return; // defensive measure to avoid crash in UI thread
}
RectangleF tmp = DrawingUtils.GetTextSubstringBounds(
dc.Canvas, m.MessageRect, line.Value + '*',
lineCharIdx, lineCharIdx + 1, dc.Font,
m.OffsetTextRect.X + textXPos, ctx.TextFormat);
dc.Canvas.DrawLine(dc.CursorPen, tmp.X, tmp.Top, tmp.X, tmp.Bottom);
}
public static Metrics GetMetrics(ViewLine line, DrawContext dc)
{
Point offset = dc.GetTextOffset(line.Message.Level, line.LineIndex);
Metrics m;
m.MessageRect = new Rectangle(
0,
offset.Y,
dc.ViewWidth,
dc.LineHeight
);
m.TimePos = new Point(
dc.CollapseBoxesAreaSize - dc.ScrollPos.X,
m.MessageRect.Y
);
int charCount = dc.GetTextToDisplay(line.Message).GetNthTextLine(line.TextLineIndex).Length;
m.OffsetTextRect = new Rectangle(
offset.X,
m.MessageRect.Y,
(int)((double)charCount * dc.CharWidthDblPrecision),
m.MessageRect.Height
);
m.OulineBoxCenter = new Point(
line.IsBookmarked ?
dc.OutlineBoxSize / 2 + 1 :
dc.CollapseBoxesAreaSize / 2,
m.MessageRect.Y + dc.LineHeight / 2
);
m.OulineBox = new Rectangle(
m.OulineBoxCenter.X - dc.OutlineBoxSize / 2,
m.OulineBoxCenter.Y - dc.OutlineBoxSize / 2,
dc.OutlineBoxSize,
dc.OutlineBoxSize
);
return(m);
}
void DrawMessageBackground(IMessage msg, float textXPos)
{
DrawContext dc = ctx;
Rectangle r = m.MessageRect;
r.Offset(ctx.CollapseBoxesAreaSize, 0);
Brush b = null;
Brush tmpBrush = null;
if (msg.Thread != null)
{
var coloring = dc.Coloring;
if (coloring == Settings.Appearance.ColoringMode.None)
{
b = dc.DefaultBackgroundBrush;
}
else if (msg.Thread.IsDisposed)
{
b = dc.DefaultBackgroundBrush;
}
else if (coloring == Settings.Appearance.ColoringMode.Threads)
{
b = tmpBrush = new Brush(msg.Thread.ThreadColor.ToColor());
}
else if (coloring == Settings.Appearance.ColoringMode.Sources)
{
b = (msg.LogSource == null || msg.LogSource.IsDisposed) ? dc.DefaultBackgroundBrush : (tmpBrush = new Brush(msg.LogSource.Color.ToColor()));
}
}
if (b == null)
{
b = dc.DefaultBackgroundBrush;
}
dc.Canvas.FillRectangle(b, r);
var normalizedSelection = dc.NormalizedSelection;
if (!normalizedSelection.IsEmpty &&
DisplayIndex >= normalizedSelection.First.DisplayIndex &&
DisplayIndex <= normalizedSelection.Last.DisplayIndex)
{
int selectionStartIdx;
int selectionEndIdx;
var line = dc.GetTextToDisplay(msg).GetNthTextLine(TextLineIdx);
if (DisplayIndex == normalizedSelection.First.DisplayIndex)
{
selectionStartIdx = normalizedSelection.First.LineCharIndex;
}
else
{
selectionStartIdx = 0;
}
if (DisplayIndex == normalizedSelection.Last.DisplayIndex)
{
selectionEndIdx = normalizedSelection.Last.LineCharIndex;
}
else
{
selectionEndIdx = line.Length;
}
if (selectionStartIdx < selectionEndIdx && selectionStartIdx >= 0 && selectionEndIdx <= line.Value.Length)
{
RectangleF tmp = DrawingUtils.GetLineSubstringBounds(
line.Value, selectionStartIdx, selectionEndIdx,
ctx.Canvas, dc.Font, ctx.TextFormat,
m.MessageRect, m.OffsetTextRect.X + textXPos);
dc.Canvas.FillRectangle(dc.SelectedBkBrush, tmp);
}
}
if (ctx.ShowTime)
{
float x = ctx.CollapseBoxesAreaSize + ctx.TimeAreaSize - ctx.ScrollPos.X - 2;
if (x > ctx.CollapseBoxesAreaSize)
{
ctx.Canvas.DrawLine(ctx.TimeSeparatorLine, x, m.MessageRect.Y, x, m.MessageRect.Bottom);
}
}
if (tmpBrush != null)
{
tmpBrush.Dispose();
}
}