private void PrepareCrumb(Crumb crumb)
{
crumb.Crumbs = this;
crumb.Widget.Parent = this;
crumb.Widget.ParentWindow = this.GdkWindow;
crumb.Widget.Realize();
}
private void UnprepareCrumb(Crumb crumb)
{
if (crumb.Widget.IsRealized)
{
crumb.Widget.Unrealize();
}
crumb.Widget.ParentWindow = null;
crumb.Widget.Parent = null;
crumb.Crumbs = null;
}
public void Insert(int index, Crumb crumb)
{
this.m_Crumbs.Insert(index, crumb);
if (this.IsRealized)
{
this.PrepareCrumb(crumb);
}
this.QueueResize();
}
public void Append(Crumb crumb)
{
this.m_Crumbs.Add(crumb);
if (this.IsRealized)
{
this.PrepareCrumb(crumb);
}
this.QueueResize();
}
protected override bool OnMotionNotifyEvent(EventMotion evnt)
{
foreach (Crumb crumb in this.m_Crumbs)
{
Gdk.Rectangle area = this.m_Coords[crumb];
if (evnt.X >= area.X && evnt.X <= area.X + area.Width &&
evnt.Y >= area.Y && evnt.Y <= area.Y + area.Height)
{
if (crumb != Hover)
{
this.m_Hover = crumb;
this.QueueDraw();
}
return(true);
}
}
this.m_Hover = null;
this.QueueDraw();
return(base.OnMotionNotifyEvent(evnt));
}
public void Remove(Crumb crumb)
{
this.m_Crumbs.Remove(crumb);
this.UnprepareCrumb(crumb);
}
private void UnprepareCrumb (Crumb crumb)
{
if (crumb.Widget.IsRealized)
crumb.Widget.Unrealize ();
crumb.Widget.ParentWindow = null;
crumb.Widget.Parent = null;
crumb.Crumbs = null;
}
private void PrepareCrumb (Crumb crumb)
{
crumb.Crumbs = this;
crumb.Widget.Parent = this;
crumb.Widget.ParentWindow = this.GdkWindow;
crumb.Widget.Realize ();
}
protected override bool OnMotionNotifyEvent (EventMotion evnt)
{
foreach (Crumb crumb in this.m_Crumbs) {
Gdk.Rectangle area = this.m_Coords[crumb];
if (evnt.X >= area.X && evnt.X <= area.X + area.Width &&
evnt.Y >= area.Y && evnt.Y <= area.Y + area.Height)
{
if (crumb != Hover) {
this.m_Hover = crumb;
this.QueueDraw ();
}
return true;
}
}
this.m_Hover = null;
this.QueueDraw ();
return base.OnMotionNotifyEvent (evnt);
}
public void Remove (Crumb crumb)
{
this.m_Crumbs.Remove (crumb);
this.UnprepareCrumb (crumb);
}
public void Insert (int index, Crumb crumb)
{
this.m_Crumbs.Insert (index, crumb);
if (this.IsRealized) {
this.PrepareCrumb (crumb);
}
this.QueueResize ();
}
public void Append (Crumb crumb)
{
this.m_Crumbs.Add (crumb);
if (this.IsRealized) {
this.PrepareCrumb (crumb);
}
this.QueueResize ();
}