public void SetChild(IWidgetBackend child)
{
if (child != null)
{
var w = GetWidget(child);
WidgetBackend wb = (WidgetBackend)child;
if (wb.EventSink.SupportsCustomScrolling())
{
CustomViewPort vp = new CustomViewPort(wb.EventSink);
vp.Show();
vp.Add(w);
Widget.Child = vp;
}
else if (w is Gtk.Viewport)
{
Widget.Child = w;
}
else
{
Gtk.Viewport vp = new Gtk.Viewport();
vp.Show();
vp.Add(w);
Widget.Child = vp;
}
}
else
{
Widget.Child = null;
}
UpdateBorder();
}
public void SetChild(IWidgetBackend child)
{
if (alignment.Child != null)
{
WidgetBackend.RemoveChildPlacement(alignment.Child);
alignment.Remove(alignment.Child);
}
alignment.Child = WidgetBackend.GetWidgetWithPlacement(child);
}
public void SetChild(IWidgetBackend child)
{
RemoveChildPlacement(currentChild);
if (Widget.Child != null)
{
if (Widget.Child is Gtk.Bin)
{
Gtk.Bin vp = (Gtk.Bin)Widget.Child;
vp.Remove(vp.Child);
}
Widget.Remove(Widget.Child);
}
if (child != null)
{
var w = currentChild = GetWidgetWithPlacement(child);
WidgetBackend wb = (WidgetBackend)child;
if (wb.EventSink.SupportsCustomScrolling())
{
CustomViewPort vp = new CustomViewPort(wb.EventSink);
vp.Show();
vp.Add(w);
Widget.Child = vp;
}
#if XWT_GTK3
else if (w is Gtk.IScrollable)
{
Widget.Child = w;
}
#else
// Gtk2 has no interface for natively scrollable widgets, therefore we manually check
// for types that should not be packed into a Viewport.
// see: https://developer.gnome.org/gtk2/stable/GtkScrolledWindow.html#gtk-scrolled-window-add-with-viewport
else if (w is Gtk.Viewport || w is Gtk.TreeView || w is Gtk.TextView || w is Gtk.Layout || w is WebKit.WebView)
{
Widget.Child = w;
}
#endif
else
{
Gtk.Viewport vp = new Gtk.Viewport();
vp.Show();
vp.Add(w);
Widget.Child = vp;
}
}
UpdateBorder();
}
public void SetContent (IWidgetBackend widget)
{
childBackend = (WidgetBackend)widget;
var newWidget = GetWidgetWithPlacement (widget);
var oldWidget = Widget.Child;
if (oldWidget == null)
Widget.Child = newWidget;
else {
GtkEngine.ReplaceChild (oldWidget, newWidget);
RemoveChildPlacement (oldWidget);
}
}
public void SetContent(IWidgetBackend widget)
{
childBackend = (WidgetBackend)widget;
var newWidget = GetWidgetWithPlacement(widget);
var oldWidget = Widget.Child;
if (oldWidget == null)
{
Widget.Child = newWidget;
}
else
{
GtkEngine.ReplaceChild(oldWidget, newWidget);
RemoveChildPlacement(oldWidget);
}
}
public void SetChild(IWidgetBackend child)
{
RemoveChildPlacement(currentChild);
if (Widget.Child != null)
{
if (Widget.Child is Gtk.Bin)
{
Gtk.Bin vp = (Gtk.Bin)Widget.Child;
vp.Remove(vp.Child);
}
Widget.Remove(Widget.Child);
}
if (child != null)
{
var w = currentChild = GetWidgetWithPlacement(child);
WidgetBackend wb = (WidgetBackend)child;
if (wb.EventSink.SupportsCustomScrolling())
{
CustomViewPort vp = new CustomViewPort(wb.EventSink);
vp.Show();
vp.Add(w);
Widget.Child = vp;
}
else if (w is Gtk.Viewport)
{
Widget.Child = w;
}
else
{
Gtk.Viewport vp = new Gtk.Viewport();
vp.Show();
vp.Add(w);
Widget.Child = vp;
}
}
UpdateBorder();
}
public CustomTreeView(WidgetBackend b)
{
backend = b;
}
public CustomTreeView(WidgetBackend b)
{
backend = b;
base.DragBegin += (_, __) =>
delayedSelection = null;
}
public CustomTreeView(WidgetBackend b)
{
backend = b;
}
public virtual void UpdateChildPlacement(IWidgetBackend childBackend)
{
WidgetBackend.SetChildPlacement(childBackend);
}
public void Add(IWidgetBackend widget)
{
WidgetBackend wb = (WidgetBackend)widget;
Widget.Add(wb.Frontend, GetWidget(widget));
}
