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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Cairo;
using System.Diagnostics;
using System.Xml.Serialization;
using System.ComponentModel;
namespace go
{
[Serializable]
public class ProgressBar : Border
{
#region CTOR
public ProgressBar() : base(){}
public ProgressBar(int _max) : base()
{
Maximum = _max;
}
#endregion
#region private fields
int _currentValue = 0;
int _minimum = 0;
int _maximum = 100;
#endregion
#region public properties
[XmlAttributeAttribute()][DefaultValue(0)]
public int Value
{
get { return _currentValue; }
set
{
if (_currentValue == value)
return;
_currentValue = value;
if (_currentValue > Maximum)
_currentValue = Maximum;
registerForGraphicUpdate();
}
}
[XmlAttributeAttribute()][DefaultValue(0)]
public int Minimum {
get {return _minimum;}
set {
if (_minimum == value || _minimum >= Maximum)
return;
_minimum = value;
registerForGraphicUpdate ();
}
}
[XmlAttributeAttribute()][DefaultValue(100)]
public int Maximum {
get {return _maximum;}
set {
if (_maximum == value || _maximum <= _minimum)
return;
_maximum = value;
registerForGraphicUpdate();
}
}
#endregion
#region GraphicObject overrides
[XmlAttributeAttribute()][DefaultValue("Gray")]
public override Color Background {
get { return base.Background; }
set { base.Background = value; }
}
[XmlAttributeAttribute()][DefaultValue(0)]
public override int BorderWidth {
get { return base.BorderWidth; }
set { base.BorderWidth = value; }
}
[XmlAttributeAttribute()][DefaultValue("BlueCrayola")]
public virtual Color Foreground {
get { return base.Foreground; }
set { base.Foreground = value; }
}
protected override void onDraw (Context gr)
{
base.onDraw (gr);
Rectangle rBack = Slot.Size;
if (BorderWidth > 0)
rBack.Inflate(-BorderWidth, -BorderWidth);
rBack.Width = (int)((double)rBack.Width / Maximum * Value);
gr.Color = Foreground;
CairoHelpers.CairoRectangle(gr,rBack,CornerRadius);
gr.Fill();
}
#endregion
}
}
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