/// <summary>
/// Raises the <see cref="E:System.Windows.Forms.Control.Paint" /> event.
/// </summary>
/// <param name="e">A <see cref="T:System.Windows.Forms.PaintEventArgs" /> that contains the event data. </param>
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
Pen drawPen = null;
foreach (KeyValuePair <int, LogMessage> keyVal in mColoredLines)
{
if ((keyVal.Value.Level & (LogLevel)Settings.Default.ColorMapAnnotation) != keyVal.Value.Level)
{
continue;
}
switch (keyVal.Value.Level)
{
case LogLevel.Fatal:
drawPen = ThemeManager.CurrentApplicationTheme.ColorPalette.ContentBackground.Equals(Settings.Default.BackgroundColorFatal)
? GdiCache.GetPenFromColor(Settings.Default.ForegroundColorFatal)
: GdiCache.GetPenFromColor(Settings.Default.BackgroundColorFatal);
break;
case LogLevel.Error:
drawPen = ThemeManager.CurrentApplicationTheme.ColorPalette.ContentBackground.Equals(Settings.Default.BackgroundColorError)
? GdiCache.GetPenFromColor(Settings.Default.ForegroundColorError)
: GdiCache.GetPenFromColor(Settings.Default.BackgroundColorError);
break;
case LogLevel.Warning:
drawPen = ThemeManager.CurrentApplicationTheme.ColorPalette.ContentBackground.Equals(Settings.Default.BackgroundColorWarning)
? GdiCache.GetPenFromColor(Settings.Default.ForegroundColorWarning)
: GdiCache.GetPenFromColor(Settings.Default.BackgroundColorWarning);
break;
case LogLevel.Info:
drawPen = ThemeManager.CurrentApplicationTheme.ColorPalette.ContentBackground.Equals(Settings.Default.BackgroundColorInfo)
? GdiCache.GetPenFromColor(Settings.Default.ForegroundColorInfo)
: GdiCache.GetPenFromColor(Settings.Default.BackgroundColorInfo);
break;
case LogLevel.Debug:
drawPen = ThemeManager.CurrentApplicationTheme.ColorPalette.ContentBackground.Equals(Settings.Default.BackgroundColorDebug)
? GdiCache.GetPenFromColor(Settings.Default.ForegroundColorDebug)
: GdiCache.GetPenFromColor(Settings.Default.BackgroundColorDebug);
break;
case LogLevel.Trace:
drawPen = ThemeManager.CurrentApplicationTheme.ColorPalette.ContentBackground.Equals(Settings.Default.BackgroundColorTrace)
? GdiCache.GetPenFromColor(Settings.Default.ForegroundColorTrace)
: GdiCache.GetPenFromColor(Settings.Default.BackgroundColorTrace);
break;
default:
drawPen = null;
break;
}
if (drawPen != null)
{
e.Graphics.DrawLine(drawPen, 0, keyVal.Key, Width, keyVal.Key);
}
}
}
/// <summary>
/// Handles the CellPainting event of the <see cref="DataGridView"/>.
/// </summary>
private void DtgLogMessagesCellPainting(object sender, DataGridViewCellPaintingEventArgs e)
{
if (e.RowIndex >= mFilteredLogMessages.Count || e.RowIndex < 0)
{
return;
}
if ((e.State & DataGridViewElementStates.Visible) == DataGridViewElementStates.None)
{
return;
}
Color foreColor = SystemColors.WindowText;
Color backColor = SystemColors.Window;
Brush backgroundBrush = null;
FontStyle fontStyle = FontStyle.Regular;
switch (mFilteredLogMessages[e.RowIndex].Level)
{
case LogLevel.Trace:
foreColor = Settings.Default.ForegroundColorTrace;
backColor = Settings.Default.BackgroundColorTrace;
fontStyle = Settings.Default.FontStyleTrace;
backgroundBrush = GdiCache.GetBrushFromColor(backColor);
break;
case LogLevel.Debug:
foreColor = Settings.Default.ForegroundColorDebug;
backColor = Settings.Default.BackgroundColorDebug;
fontStyle = Settings.Default.FontStyleDebug;
backgroundBrush = GdiCache.GetBrushFromColor(backColor);
break;
case LogLevel.Info:
foreColor = Settings.Default.ForegroundColorInfo;
backColor = Settings.Default.BackgroundColorInfo;
fontStyle = Settings.Default.FontStyleInfo;
backgroundBrush = GdiCache.GetBrushFromColor(backColor);
break;
case LogLevel.Warning:
foreColor = Settings.Default.ForegroundColorWarning;
backColor = Settings.Default.BackgroundColorWarning;
fontStyle = Settings.Default.FontStyleWarning;
backgroundBrush = GdiCache.GetBrushFromColor(backColor);
break;
case LogLevel.Error:
foreColor = Settings.Default.ForegroundColorError;
backColor = Settings.Default.BackgroundColorError;
fontStyle = Settings.Default.FontStyleError;
backgroundBrush = GdiCache.GetBrushFromColor(backColor);
break;
case LogLevel.Fatal:
foreColor = Settings.Default.ForegroundColorFatal;
backColor = Settings.Default.BackgroundColorFatal;
fontStyle = Settings.Default.FontStyleFatal;
backgroundBrush = GdiCache.GetBrushFromColor(backColor);
break;
}
if ((e.State & DataGridViewElementStates.Selected) == DataGridViewElementStates.Selected)
{
if (Settings.Default.UseInvertedColorForSelection)
{
// Invert the colors for selected items.
Color tmpForecolor = foreColor;
foreColor = backColor;
backColor = tmpForecolor;
backgroundBrush = GdiCache.GetBrushFromColor(tmpForecolor);
}
else
{
// Use the default system colors for selected items.
foreColor = SystemColors.HighlightText;
backColor = SystemColors.MenuHighlight;
backgroundBrush = GdiCache.GetBrushFromColor(backColor);
}
}
if (backgroundBrush != null)
{
e.Graphics.FillRectangle(
backgroundBrush
, e.CellBounds);
if (e.ColumnIndex == 0)
{
// the first column may be an image.
e.PaintContent(e.CellBounds);
}
else
{
Font logFont = FontCache.GetFontFromIdentifier(
e.CellStyle.Font.Name
, e.CellStyle.Font.Size
, fontStyle);
TextRenderer.DrawText(
e.Graphics
, e.Value.ToString()
, logFont
, e.CellBounds
, foreColor
, backColor
, TextFormatFlags.SingleLine | TextFormatFlags.VerticalCenter);
}
e.Graphics.DrawRectangle(
Settings.Default.LogWindowDrawGrid
? GdiCache.GetPenFromColor(dtgLogMessages.GridColor)
: GdiCache.GetPenFromColor(backColor)
, e.CellBounds);
e.Handled = true;
}
}
