protected override bool OnExposeEvent(Gdk.EventExpose evnt)
{
if (need_resort)
{
need_resort = false;
// Resort the tree store. This is performed in an event handler
// known not to conflict with gtk_tree_view_bin_expose() to prevent
// errors about corrupting the TreeView's internal state.
foreach (Source dsource in ServiceManager.SourceManager.Sources.ToArray())
{
TreeIter iter = store.FindSource(dsource);
if (!TreeIter.Zero.Equals(iter) &&
(int)store.GetValue(iter, (int)SourceModel.Columns.Order) != dsource.Order)
{
store.SetValue(iter, (int)SourceModel.Columns.Order, dsource.Order);
}
}
QueueDraw();
}
try {
cr = Gdk.CairoHelper.Create(evnt.Window);
base.OnExposeEvent(evnt);
if (Hyena.PlatformDetection.IsMeeGo)
{
theme.DrawFrameBorder(cr, new Gdk.Rectangle(0, 0,
Allocation.Width, Allocation.Height));
}
return(true);
} finally {
CairoExtensions.DisposeContext(cr);
cr = null;
}
}
protected override bool OnExposeEvent(Gdk.EventExpose evnt)
{
if (need_resort)
{
need_resort = false;
// Resort the tree store. This is performed in an event handler
// known not to conflict with gtk_tree_view_bin_expose() to prevent
// errors about corrupting the TreeView's internal state.
foreach (Source dsource in ServiceManager.SourceManager.Sources)
{
TreeIter iter = store.FindSource(dsource);
if (!TreeIter.Zero.Equals(iter) && (int)store.GetValue(iter, 1) != dsource.Order)
{
store.SetValue(iter, 1, dsource.Order);
}
}
QueueDraw();
}
try {
cr = Gdk.CairoHelper.Create(evnt.Window);
return(base.OnExposeEvent(evnt));
} finally {
((IDisposable)cr.Target).Dispose();
((IDisposable)cr).Dispose();
cr = null;
}
}
protected override bool OnDrawn(Cairo.Context cr)
{
if (need_resort)
{
need_resort = false;
// Resort the tree store. This is performed in an event handler
// known not to conflict with gtk_tree_view_bin_expose() to prevent
// errors about corrupting the TreeView's internal state.
foreach (Source dsource in ServiceManager.SourceManager.Sources.ToArray())
{
TreeIter iter = store.FindSource(dsource);
if (!TreeIter.Zero.Equals(iter) &&
(int)store.GetValue(iter, (int)SourceModel.Columns.Order) != dsource.Order)
{
store.SetValue(iter, (int)SourceModel.Columns.Order, dsource.Order);
}
}
QueueDraw();
}
base.OnDrawn(cr);
return(true);
}
protected override void OnChanged()
{
lock (this) {
TreeIter iter;
if (GetActiveIter(out iter))
{
Source new_source = store.GetValue(iter, 0) as Source;
if (new_source != null && ServiceManager.SourceManager.ActiveSource != new_source)
{
ServiceManager.SourceManager.SetActiveSource(new_source);
if (new_source is ITrackModelSource)
{
ServiceManager.PlaybackController.NextSource = (ITrackModelSource)new_source;
}
}
}
}
}
