//public bool DrawBackground() {
//}
//public bool DrawCheckbox() {
//}
//public bool DrawImage(System.Drawing.Bitmap image) {
//}
public bool DrawText()
{
var ci = _cd.item as CiComplItem;
var s = _cd.item.DisplayText;
Range black, green;
if (ci.commentOffset == 0)
{
black = ..s.Length; green = default;
}
else
{
black = ..ci.commentOffset; green = ci.commentOffset..;
}
int xEndOfText = 0;
int color = ci.moveDown.HasAny(CiComplItemMoveDownBy.Name | CiComplItemMoveDownBy.FilterText) ? 0x808080 : _textColor;
_tr.MoveTo(_cd.xText, _cd.yText);
if (ci.hilite != 0)
{
ulong h = ci.hilite;
for (int normalFrom = 0, boldFrom, boldTo, to = black.End.Value; normalFrom < to; normalFrom = boldTo)
{
for (boldFrom = normalFrom; boldFrom < to && 0 == (h & 1); boldFrom++)
{
h >>= 1;
}
_tr.DrawText(s, color, normalFrom..boldFrom);
if (boldFrom == to)
{
break;
}
for (boldTo = boldFrom; boldTo < to && 0 != (h & 1); boldTo++)
{
h >>= 1;
}
_tr.FontBold(); _tr.DrawText(s, color, boldFrom..boldTo); _tr.FontNormal();
}
}
else
{
_tr.DrawText(s, color, black);
}
if (ci.moveDown.Has(CiComplItemMoveDownBy.Obsolete))
{
xEndOfText = _tr.GetCurrentPosition().x;
}
if (ci.commentOffset > 0)
{
_tr.DrawText(s, 0x00A040, green);
}
//draw red line over obsolete items
if (ci.moveDown.Has(CiComplItemMoveDownBy.Obsolete))
{
int vCenter = _cd.rect.top + _cd.rect.Height / 2;
_cd.graphics.DrawLine(System.Drawing.Pens.OrangeRed, _cd.xText, vCenter, xEndOfText, vCenter);
}
return(true);
}
void _DrawItem(AuListControl.ZItemDrawArgs e)
{
//var p1 = APerf.Create();
var g = e.graphics;
var ci = _VisibleItem(e.index);
var r = e.bounds;
int xText = _TextHorzOffset;
var sym = ci.FirstSymbol;
//draw images: kind, access, static/abstract
var imageKind = ci.KindImage;
if (imageKind != null)
{
int imgX = r.X + Au.Util.ADpi.ScaleInt(18);
int imgY = (r.Y + r.Bottom + 1) / 2 - imageKind.Height / 2;
int overlayX = r.X + Au.Util.ADpi.ScaleInt(4);
int overlayY = imgY + Au.Util.ADpi.ScaleInt(4);
g.DrawImage(imageKind, imgX, imgY, imageKind.Width, imageKind.Height); //note: would be very slow, but is very fast if DoubleBuffered = true (the control sets it in ctor).
var imageAccess = ci.AccessImage;
if (imageAccess != null)
{
g.DrawImage(imageAccess, overlayX, overlayY, imageAccess.Width, imageAccess.Height);
}
if (sym != null)
{
Bitmap b = null;
if (sym.IsStatic && ci.kind != CiItemKind.Constant && ci.kind != CiItemKind.EnumMember && ci.kind != CiItemKind.Namespace)
{
b = _imgStatic;
}
else if (ci.kind == CiItemKind.Class && sym.IsAbstract)
{
b = _imgAbstract;
}
if (b != null)
{
g.DrawImage(b, overlayX, overlayY, b.Width, b.Height);
}
}
}
//p1.Next();
//draw selection
r.Width -= xText; r.X += xText;
if (e.isSelected)
{
g.FillRectangle(s_selectedBrush, r);
}
//draw text
var s = ci.DisplayText;
ADebug.PrintIf(!ci.ci.DisplayTextPrefix.NE(), s); //we don't support prefix; never seen.
int xEndOfText = 0;
using (var tr = new GdiTextRenderer(g)) {
ColorInt color = ci.moveDown.HasAny(CiItemMoveDownBy.Name | CiItemMoveDownBy.FilterText) ? 0x808080 : 0;
tr.MoveTo(r.X, r.Y);
if (ci.hilite != 0)
{
ulong h = ci.hilite;
for (int normalFrom = 0, boldFrom, boldTo, to = s.Length; normalFrom < to; normalFrom = boldTo)
{
for (boldFrom = normalFrom; boldFrom < to && 0 == (h & 1); boldFrom++)
{
h >>= 1;
}
tr.DrawText(s, color, normalFrom, boldFrom);
if (boldFrom == to)
{
break;
}
for (boldTo = boldFrom; boldTo < to && 0 != (h & 1); boldTo++)
{
h >>= 1;
}
tr.FontBold(); tr.DrawText(s, color, boldFrom, boldTo); tr.FontNormal();
}
}
else
{
tr.DrawText(s, color);
}
if (ci.moveDown.Has(CiItemMoveDownBy.Obsolete))
{
xEndOfText = tr.GetCurrentPosition().x;
}
string green = _GreenSuffix(e.index);
if (green != null)
{
tr.DrawText(green, 0x40A000);
}
}
//draw red line over obsolete items
if (ci.moveDown.Has(CiItemMoveDownBy.Obsolete))
{
int vCenter = r.Y + r.Height / 2;
g.DrawLine(Pens.OrangeRed, r.X, vCenter, xEndOfText, vCenter);
}
//p1.NW('i');
//draw group separator
if (e.index > 0)
{
var cip = _VisibleItem(e.index - 1);
if (cip.moveDown != ci.moveDown || (_groupsEnabled && cip.group != ci.group))
{
g.DrawLine(Pens.YellowGreen, 0, r.Y, r.Right, r.Y);
}
}
}