public virtual Allocation Extents(double scale, Cairo.Context graphics)
{
Allocation alloc = d_allocation.Copy();
alloc.Scale(scale);
alloc.GrowBorder(3);
string lbl = Label;
if (!String.IsNullOrEmpty(lbl))
{
int width, height;
MeasureString(graphics, lbl, out width, out height);
alloc.Height += height + 3;
if (width > alloc.Width)
{
int off = (int)(width - alloc.Width / 2);
alloc.X -= off;
alloc.Width += off * 2;
}
}
d_lastExtents = alloc;
return(d_lastExtents.Copy());
}
private void HandleCopied(object o, CopiedArgs args)
{
Wrapper wrapped = Wrap(args.Copy);
wrapped.Allocation = Allocation.Copy();
if (Renderer != null)
{
wrapped.Renderer = Renderer.Copy(wrapped);
}
}
public Point[] ControlPoints()
{
if (WrappedObject.Input == null || WrappedObject.Output == null)
{
return(null);
}
Allocation a1 = WrappedObject.Input.Allocation;
Allocation a2 = WrappedObject.Output.Allocation;
if (d_prevFrom != null && d_prevTo != null && a1.Equals(d_prevFrom) && a2.Equals(d_prevTo))
{
return(d_controlPoints);
}
d_prevFrom = a1.Copy();
d_prevTo = a2.Copy();
d_controlPoints = ControlPoints(a1, a2, WrappedObject.Offset);
return(d_controlPoints);
}
protected virtual void ExposeWidget(bool aFocus, bool aPrelight, Gdk.Rectangle aClipRegion, Gdk.EventExpose evnt)
{
Widget wdg = this;
Gdk.Rectangle rect = Allocation.Copy();
Gdk.Rectangle clip = aClipRegion;
Gdk.Rectangle borderclip = aClipRegion;
borderclip.X += buttonStyle.XThickness;
borderclip.Y += buttonStyle.YThickness;
borderclip.Width -= buttonStyle.XThickness * 2;
borderclip.Height -= buttonStyle.YThickness * 2;
if (wdg.IsSensitive() == false)
{
Style.PaintFlatBox(buttonStyle, GdkWindow, StateType.Insensitive, ShadowType.Out, clip,
wdg, "button", rect.X, rect.Y, rect.Width, rect.Height);
Style.PaintBox(buttonStyle, GdkWindow, StateType.Insensitive, ShadowType.Out, clip,
wdg, "button", rect.X, rect.Y, rect.Width, rect.Height);
}
else
{
if (HasDefault == true)
{
Style.PaintBox(buttonStyle, GdkWindow, StateType.Selected, ShadowType.Out, clip,
wdg, "button", rect.X, rect.Y, rect.Width, rect.Height);
}
Gtk.StateType st = StateType.Normal;
if (aFocus == true)
{
st = StateType.Selected;
}
else if (aPrelight == true)
{
st = StateType.Prelight;
}
Style.PaintBox(buttonStyle, GdkWindow, st, ShadowType.Out, borderclip,
wdg, "buttondefault", rect.X, rect.Y, rect.Width, rect.Height);
}
}
