namespace AdvancedMappingTools;

/// <summary>
/// The button of every Davelix Construct panel. The editor button centers its text, which
/// makes a column of tool names hard to scan; this one sets icon and text on the left, and
/// cuts a name that does not fit instead of letting it run under the next control.
/// </summary>
public class ListButton : Button
{
	const float Padding = 8.0f;
	const float IconSize = 14.0f;
	const float IconGap = 6.0f;

	public ListButton( string text, string icon = null ) : base( text, icon )
	{
		FixedHeight = Theme.ControlHeight;
	}

	protected override void OnPaint()
	{
		var rect = LocalRect;

		Paint.ClearPen();
		Paint.SetBrush( !Enabled ? Theme.ButtonBackground.WithAlpha( 0.5f ) : IsChecked ? Theme.Primary : Paint.HasMouseOver ? Theme.ButtonBackground.Lighten( 0.25f ) : Theme.ButtonBackground );
		Paint.DrawRect( rect, Theme.ControlRadius );

		var inner = rect.Shrink( Padding, 0.0f, Padding, 0.0f );

		Paint.SetPen( Enabled ? Theme.TextControl : Theme.TextDisabled );

		if ( !string.IsNullOrEmpty( Icon ) )
		{
			Paint.DrawIcon( inner with { Width = IconSize }, Icon, IconSize, TextFlag.LeftCenter );
			inner.Left += IconSize + IconGap;
		}

		Paint.DrawText( inner, Text, TextFlag.LeftCenter | TextFlag.SingleLine );
	}
}