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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Drawing;
namespace System.Windows.Forms.ButtonInternal;
internal class CheckBoxFlatAdapter : CheckBoxBaseAdapter
{
internal CheckBoxFlatAdapter(ButtonBase control) : base(control)
{
}
internal override void PaintDown(PaintEventArgs e, CheckState state)
{
if (Control.Appearance == Appearance.Button)
{
ButtonAdapter.PaintDown(e, Control.CheckState);
return;
}
ColorData colors = PaintFlatRender(e).Calculate();
if (Control.Enabled)
{
PaintFlatWorker(e, colors.WindowText, colors.Highlight, colors.WindowFrame, colors);
}
else
{
PaintFlatWorker(e, colors.ButtonShadow, colors.ButtonFace, colors.ButtonShadow, colors);
}
}
internal override void PaintOver(PaintEventArgs e, CheckState state)
{
if (Control.Appearance == Appearance.Button)
{
ButtonAdapter.PaintOver(e, Control.CheckState);
return;
}
ColorData colors = PaintFlatRender(e).Calculate();
if (Control.Enabled)
{
PaintFlatWorker(e, colors.WindowText, colors.LowHighlight, colors.WindowFrame, colors);
}
else
{
PaintFlatWorker(e, colors.ButtonShadow, colors.ButtonFace, colors.ButtonShadow, colors);
}
}
internal override void PaintUp(PaintEventArgs e, CheckState state)
{
if (Control.Appearance == Appearance.Button)
{
ButtonAdapter.PaintUp(e, Control.CheckState);
return;
}
ColorData colors = PaintFlatRender(e).Calculate();
if (Control.Enabled)
{
PaintFlatWorker(e, colors.WindowText, colors.Highlight, colors.WindowFrame, colors);
}
else
{
PaintFlatWorker(e, colors.ButtonShadow, colors.ButtonFace, colors.ButtonShadow, colors);
}
}
private void PaintFlatWorker(PaintEventArgs e, Color checkColor, Color checkBackground, Color checkBorder, ColorData colors)
{
LayoutData layout = Layout(e).Layout();
PaintButtonBackground(e, Control.ClientRectangle, background: null);
PaintImage(e, layout);
DrawCheckFlat(
e,
layout,
checkColor,
colors.Options.HighContrast ? colors.ButtonFace : checkBackground,
checkBorder,
colors);
AdjustFocusRectangle(layout);
PaintField(e, layout, colors, checkColor, drawFocus: true);
}
private new ButtonFlatAdapter ButtonAdapter => (ButtonFlatAdapter)base.ButtonAdapter;
protected override ButtonBaseAdapter CreateButtonAdapter() => new ButtonFlatAdapter(Control);
protected override LayoutOptions Layout(PaintEventArgs e)
{
LayoutOptions layout = CommonLayout();
layout.CheckSize = (int)(FlatCheckSize * GetDpiScaleRatio());
layout.ShadowedText = false;
return layout;
}
}
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