/// <summary>
/// Handles the item drawing of a selected item.
/// </summary>
/// <param name="e">A <see cref="T:System.Windows.Forms.DrawItemEventArgs"/> that contains the event data.</param>
/// <param name="hover">Determines whether the cursor is currently hovering over the item.</param>
protected override void DrawItemSelected(DrawItemEventArgs e, bool hover)
{
e.Graphics.FillRectangle(
GdiCache.GetBrushFromColor(ThemeManager.CurrentApplicationTheme.ColorPalette.SelectionBackgroundFocused)
, 0
, e.Bounds.Top
, e.Bounds.Width
, e.Bounds.Height);
}
private void DrawNodeFocusedHighlight(DrawTreeNodeEventArgs e, Rectangle bounds)
{
if ((e.State & TreeNodeStates.Selected) != TreeNodeStates.Selected)
{
return;
}
Brush nodeBackgroundBrush = (e.State & TreeNodeStates.Focused) == TreeNodeStates.Focused
? GdiCache.GetBrushFromColor(ThemeManager.CurrentApplicationTheme.ColorPalette.SelectionBackgroundFocused)
: GdiCache.GetBrushFromColor(ThemeManager.CurrentApplicationTheme.ColorPalette.SelectionBackground);
e.Graphics.FillRectangle(nodeBackgroundBrush, bounds);
}
/// <summary>
/// Handles the drawing of the item text.
/// </summary>
/// <param name="e">A <see cref="T:System.Windows.Forms.DrawItemEventArgs"/> that contains the event data.</param>
protected override void DrawItemText(DrawItemEventArgs e)
{
e.Graphics.TextRenderingHint = TextRenderingHint.ClearTypeGridFit;
e.Graphics.DrawString(
Items[e.Index].ToString()
, Font
, GdiCache.GetBrushFromColor((e.State & DrawItemState.Selected) == DrawItemState.Selected
? Focused
? ThemeManager.CurrentApplicationTheme.ColorPalette.SelectionForegroundFocused
: ThemeManager.CurrentApplicationTheme.ColorPalette.SelectionForeground
: ThemeManager.CurrentApplicationTheme.ColorPalette.ContentForeground)
, new Rectangle(2, e.Bounds.Top + 2, e.Bounds.Width - 4, e.Bounds.Height - 4)
, mStringFormat);
}
private void DrawNodeFocusedHighlight(DrawTreeNodeEventArgs e, Rectangle bounds)
{
if ((e.State & TreeNodeStates.Selected) != TreeNodeStates.Selected)
{
return;
}
int scrollWidth = tvLoggerTree.IsVerticalScrollbarvisible()
? SystemInformation.VerticalScrollBarWidth
: 0;
Brush nodeBackgroundBrush = (e.State & TreeNodeStates.Focused) == TreeNodeStates.Focused
? GdiCache.GetBrushFromColor(ThemeManager.CurrentApplicationTheme.ColorPalette.SelectionBackgroundFocused)
: GdiCache.GetBrushFromColor(ThemeManager.CurrentApplicationTheme.ColorPalette.SelectionBackground);
e.Graphics.FillRectangle(nodeBackgroundBrush, bounds);
}
/// <summary>
/// Handles the OnPaint event.
/// </summary>
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
if (ClientRectangle.Width > 0 && ClientRectangle.Height > 0)
{
var spaceLeft = VerticalScrollBar.Visible
? SystemInformation.VerticalScrollBarWidth
: 0;
var spaceBottom = HorizontalScrollBar.Visible
? SystemInformation.HorizontalScrollBarHeight
: 0;
e.Graphics.FillRectangle(GdiCache.GetBrushFromColor(Theme.ThemeManager.CurrentApplicationTheme.ColorPalette.ContentBackground), new Rectangle(
ClientRectangle.Width - spaceLeft,
ClientRectangle.Height - spaceBottom,
SystemInformation.VerticalScrollBarWidth,
SystemInformation.HorizontalScrollBarHeight));
}
}
/// <summary>
/// Raises the <see cref="E:System.Windows.Forms.ListBox.DrawItem"/> event.
/// </summary>
/// <param name="e">A <see cref="T:System.Windows.Forms.DrawItemEventArgs"/> that contains the event data.</param>
protected override void OnDrawItem(DrawItemEventArgs e)
{
if (Items.Count == 0 || e.Index > Items.Count)
{
return;
}
e.Graphics.FillRectangle(GdiCache.GetBrushFromColor(ThemeManager.CurrentApplicationTheme.ColorPalette.ContentBackground), e.Bounds);
if (Items[e.Index] is Seperator)
{
DrawSeperator(e);
return;
}
bool isSelected = (e.State & DrawItemState.Selected) == DrawItemState.Selected;
bool isHover = mMouseIndex != -1 && e.Index == mMouseIndex;
if (isSelected)
{
DrawItemSelected(e, isHover);
if (Focused && ShowFocusCues)
{
ControlPaint.DrawFocusRectangle(e.Graphics, new Rectangle(
e.Bounds.X + 1
, e.Bounds.Y + 1
, e.Bounds.Width - 2
, e.Bounds.Height - 2));
}
}
if (isHover)
{
DrawItemHighlighted(e, isSelected);
}
DrawItemText(e);
}
/// <summary>
/// Handles the DrawNode event oft the logger <see cref="TreeView"/>.
/// </summary>
private void TvLoggerTreeDrawNode(object sender, DrawTreeNodeEventArgs e)
{
e.DrawDefault = false;
if (e.Node.Bounds.IsEmpty)
{
return;
}
Rectangle bounds = new Rectangle(
0
, e.Node.Bounds.Y
, Width - 1
, e.Node.Bounds.Height - 1);
e.Graphics.FillRectangle(
GdiCache.GetBrushFromColor(ThemeManager.CurrentApplicationTheme.ColorPalette.ContentBackground)
, bounds);
DrawNodeFocusedHighlight(e, bounds);
DrawPlusMinus(e);
DrawNodeText(e);
}
/// <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;
if ((e.State & DataGridViewElementStates.Selected) == DataGridViewElementStates.Selected)
{
foreColor = SystemColors.HighlightText;
backColor = SystemColors.MenuHighlight;
backgroundBrush = GdiCache.GetBrushFromColor(backColor);
}
else
{
switch (mFilteredLogMessages[e.RowIndex].Level)
{
case LogLevel.Trace:
foreColor = Settings.Default.ForegroundColorTrace;
backColor = Settings.Default.BackgroundColorTrace;
backgroundBrush = GdiCache.GetBrushFromColor(backColor);
break;
case LogLevel.Debug:
foreColor = Settings.Default.ForegroundColorDebug;
backColor = Settings.Default.BackgroundColorDebug;
backgroundBrush = GdiCache.GetBrushFromColor(backColor);
break;
case LogLevel.Info:
foreColor = Settings.Default.ForegroundColorInfo;
backColor = Settings.Default.BackgroundColorInfo;
backgroundBrush = GdiCache.GetBrushFromColor(backColor);
break;
case LogLevel.Warning:
foreColor = Settings.Default.ForegroundColorWarning;
backColor = Settings.Default.BackgroundColorWarning;
backgroundBrush = GdiCache.GetBrushFromColor(backColor);
break;
case LogLevel.Error:
foreColor = Settings.Default.ForegroundColorError;
backColor = Settings.Default.BackgroundColorError;
backgroundBrush = GdiCache.GetBrushFromColor(backColor);
break;
case LogLevel.Fatal:
foreColor = Settings.Default.ForegroundColorFatal;
backColor = Settings.Default.BackgroundColorFatal;
backgroundBrush = GdiCache.GetBrushFromColor(backColor);
break;
}
}
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
{
TextRenderer.DrawText(
e.Graphics
, e.Value.ToString()
, dtgLogMessages.DefaultCellStyle.Font
, 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;
}
}
/// <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() ?? string.Empty
, 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;
}
}
