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using AppKit;
using CoreGraphics;
namespace Xamarin.PropertyEditing.Mac
{
internal class UnderlinedTextField : NSTextField
{
public UnderlinedTextField ()
{
TranslatesAutoresizingMaskIntoConstraints = false;
AutoresizingMask = NSViewResizingMask.MaxXMargin;
UsesSingleLineMode = true;
}
private bool selected;
public bool Selected
{
get => selected;
set
{
//if (selected == value)
// return;
selected = value;
TextColor = selected ? NSColor.Text : NSColor.DisabledControlText;
//Enabled = value;
NeedsDisplay = true;
}
}
public override void DrawRect (CGRect dirtyRect)
{
base.DrawRect (dirtyRect);
if (!Selected)
return;
NSBezierPath path = new NSBezierPath ();
path.AppendPathWithRect (new CGRect (Bounds.X + 1, Bounds.Bottom - 3, Bounds.Width - 2, 3.5));
NSColor.Text.Set ();
path.Fill ();
}
public override CGSize IntrinsicContentSize
{
get
{
var size = base.IntrinsicContentSize;
return new CGSize (size.Width + 2, size.Height + 5);
}
}
}
}
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