protected override void OnRealized()
{
base.OnRealized();
nsview = GtkMacInterop.GetNSView(this);
containers [nsview] = this;
ConnectSubviews(nsview);
}
public GtkEmbed(Gtk.Widget w)
{
if (!GtkMacInterop.SupportsGtkIntoNSViewEmbedding())
{
throw new NotSupportedException("GTK/NSView embedding is not supported by the installed GTK");
}
embeddedWidget = w;
var s = w.SizeRequest();
SetFrameSize(new CGSize(s.Width, s.Height));
WatchForFocus(w);
}
void WatchForFocus(Widget widget)
{
widget.FocusInEvent += (o, args) => {
var view = GtkMacInterop.GetNSView(widget);
if (view != null)
{
view.Window.MakeFirstResponder(view);
}
};
if (widget is Container)
{
Container c = (Container)widget;
foreach (Widget w in c.Children)
{
WatchForFocus(w);
}
}
}
protected override void OnRealized()
{
WidgetFlags |= WidgetFlags.Realized;
Gdk.WindowAttr attributes = new Gdk.WindowAttr();
attributes.X = Allocation.X;
attributes.Y = Allocation.Y;
attributes.Height = Allocation.Height;
attributes.Width = Allocation.Width;
attributes.WindowType = Gdk.WindowType.Child;
attributes.Wclass = Gdk.WindowClass.InputOutput;
attributes.Visual = Visual;
attributes.TypeHint = (Gdk.WindowTypeHint) 100; // Custom value which means the this gdk window has to use a native window
attributes.Colormap = Colormap;
attributes.EventMask = (int)(Events |
Gdk.EventMask.ExposureMask |
Gdk.EventMask.Button1MotionMask |
Gdk.EventMask.ButtonPressMask |
Gdk.EventMask.ButtonReleaseMask |
Gdk.EventMask.KeyPressMask |
Gdk.EventMask.KeyReleaseMask);
Gdk.WindowAttributesType attributes_mask =
Gdk.WindowAttributesType.X |
Gdk.WindowAttributesType.Y |
Gdk.WindowAttributesType.Colormap |
Gdk.WindowAttributesType.Visual;
GdkWindow = new Gdk.Window(ParentWindow, attributes, (int)attributes_mask);
GdkWindow.UserData = Handle;
Style = Style.Attach(GdkWindow);
Style.SetBackground(GdkWindow, State);
this.WidgetFlags &= ~WidgetFlags.NoWindow;
// Remove the gdk window from the original location and move it to the GtkEmbed view that contains it
var gw = GtkMacInterop.GetNSView(this);
gw.RemoveFromSuperview();
embedParent.AddSubview(gw);
gw.Frame = new CoreGraphics.CGRect(0, 0, embedParent.Frame.Width, embedParent.Frame.Height);
}
void UpdateAllocation()
{
if (container.GdkWindow == null || cw.GdkWindow == null)
{
return;
}
var gw = GtkMacInterop.GetNSView(cw);
gw.Frame = new CGRect(0, 0, Frame.Width, Frame.Height);
var rect = GetRelativeAllocation(GtkMacInterop.GetNSView(container), gw);
var allocation = new Gdk.Rectangle {
X = (int)rect.Left,
Y = (int)rect.Top,
Width = (int)rect.Width,
Height = (int)rect.Height
};
cw.SizeAllocate(allocation);
}
