private Color GetPieceColor(LinkLabel label, LinkLabel.Piece piece, int i)
{
if (!label.Enabled)
{
return(label.DisabledLinkColor);
}
if (piece.link == null)
{
return(label.ForeColor);
}
if (!piece.link.Enabled)
{
return(label.DisabledLinkColor);
}
if (piece.link.Active)
{
return(label.ActiveLinkColor);
}
if ((label.LinkVisited && i == 0) || piece.link.Visited)
{
return(label.VisitedLinkColor);
}
return(label.LinkColor);
}
public virtual void Draw(Graphics dc, Rectangle clip_rectangle, LinkLabel label)
{
Rectangle client_rect = label.PaddingClientRectangle;
label.DrawImage(dc, label.Image, client_rect, label.ImageAlign);
if (label.pieces == null)
{
return;
}
// Paint all text as disabled.
if (!label.Enabled)
{
dc.SetClip(clip_rectangle);
ThemeEngine.Current.CPDrawStringDisabled(
dc, label.Text, label.Font, label.BackColor, client_rect, label.string_format);
return;
}
Font font, link_font = ThemeEngine.Current.GetLinkFont(label);
Region text_region = new Region(new Rectangle());
// Draw links.
for (int i = 0; i < label.pieces.Length; i++)
{
LinkLabel.Piece piece = label.pieces[i];
if (piece.link == null)
{
text_region.Union(piece.region);
continue;
}
Color color = GetPieceColor(label, piece, i);
if ((label.LinkBehavior == LinkBehavior.AlwaysUnderline) ||
(label.LinkBehavior == LinkBehavior.SystemDefault) ||
((label.LinkBehavior == LinkBehavior.HoverUnderline) && piece.link.Hovered))
{
font = link_font;
}
else
{
font = label.Font;
}
dc.Clip = piece.region;
dc.Clip.Intersect(clip_rectangle);
dc.DrawString(label.Text, font,
ThemeEngine.Current.ResPool.GetSolidBrush(color),
client_rect, label.string_format);
// Draw focus rectangle
if ((piece.link != null) && piece.link.Focused)
{
foreach (RectangleF rect in piece.region.GetRegionScans(dc.Transform))
{
ControlPaint.DrawFocusRectangle(dc, Rectangle.Round(rect), label.ForeColor, label.BackColor);
}
}
}
// Draw normal text (without links).
if (!text_region.IsEmpty(dc))
{
dc.Clip = text_region;
dc.Clip.Intersect(clip_rectangle);
if (!dc.Clip.IsEmpty(dc))
{
dc.DrawString(label.Text, label.Font,
ThemeEngine.Current.ResPool.GetSolidBrush(label.ForeColor),
client_rect, label.string_format);
}
}
}
