void UpdateChildSize()
{
if (child == null)
{
return;
}
if (Widget.ContentView is CustomClipView)
{
}
else
{
NSView view = (NSView)Widget.DocumentView;
ViewBackend c = (ViewBackend)child;
Size s;
if (horizontalScrollPolicy == ScrollPolicy.Never)
{
s = c.Frontend.Surface.GetPreferredSize(SizeConstraint.WithSize(Widget.ContentView.Frame.Width), SizeConstraint.Unconstrained);
}
else if (verticalScrollPolicy == ScrollPolicy.Never)
{
s = c.Frontend.Surface.GetPreferredSize(SizeConstraint.Unconstrained, SizeConstraint.WithSize(Widget.ContentView.Frame.Width));
}
else
{
s = c.Frontend.Surface.GetPreferredSize();
}
var w = Math.Max(s.Width, Widget.ContentView.Frame.Width);
var h = Math.Max(s.Height, Widget.ContentView.Frame.Height);
view.Frame = new System.Drawing.RectangleF(view.Frame.X, view.Frame.Y, (float)s.Width, (float)h);
}
}
public void SetContent(IWidgetBackend widget)
{
child = (ViewBackend)widget;
Widget.Box.SetContent(GetWidget(widget));
ResetFittingSize();
}
public void SetChild(IWidgetBackend child)
{
this.child = child;
ViewBackend backend = (ViewBackend)child;
if (backend.EventSink.SupportsCustomScrolling())
{
var vs = new ScrollAdjustmentBackend(Widget, true);
var hs = new ScrollAdjustmentBackend(Widget, false);
CustomClipView clipView = new CustomClipView(hs, vs);
Widget.ContentView = clipView;
var dummy = new DummyClipView();
dummy.AddSubview(backend.Widget);
backend.Widget.Frame = new CGRect(0, 0, clipView.Frame.Width, clipView.Frame.Height);
clipView.DocumentView = dummy;
backend.EventSink.SetScrollAdjustments(hs, vs);
vertScroll = vs;
horScroll = hs;
}
else
{
clipView = new NormalClipView();
clipView.Scrolled += OnScrolled;
Widget.ContentView = clipView;
Widget.DocumentView = backend.Widget;
UpdateChildSize();
}
}
public override object GetNativeWidget(Widget w)
{
ViewBackend wb = (ViewBackend)Toolkit.GetBackend(w);
wb.SetAutosizeMode(true);
return(wb.Widget);
}
public virtual void UpdateChildPlacement(IWidgetBackend childBackend)
{
var w = ViewBackend.SetChildPlacement(childBackend);
LayoutWindow();
w.AutoresizingMask = NSViewResizingMask.HeightSizable | NSViewResizingMask.WidthSizable;
}
public void SetPanel(int panel, IWidgetBackend widget, bool resize, bool shrink)
{
ViewBackend view = (ViewBackend)widget;
Widget.AddSubview(view.Widget);
Widget.AdjustSubviews();
view.NotifyPreferredSizeChanged();
}
public virtual void UpdateChildPlacement(IWidgetBackend childBackend)
{
ViewBackend.SetChildPlacement(childBackend);
var w = GetContentView().Subviews [0];
SetPadding(frontend.Padding.Left, frontend.Padding.Top, frontend.Padding.Right, frontend.Padding.Bottom);
w.AutoresizingMask = NSViewResizingMask.HeightSizable | NSViewResizingMask.WidthSizable;
}
public void Show(Xwt.Popover.Position orientation, Xwt.Widget referenceWidget, Xwt.Rectangle positionRect, Xwt.Widget child)
{
popover = MakePopover(child);
ViewBackend backend = (ViewBackend)Toolkit.GetBackend(referenceWidget);
var reference = backend.Widget;
popover.Show(positionRect.ToRectangleF(),
reference,
ToRectEdge(orientation));
}
public void SetPanel(int panel, IWidgetBackend widget, bool resize, bool shrink)
{
ViewBackend view = (ViewBackend)widget;
var w = GetWidgetWithPlacement(view);
RemovePanel(panel);
Widget.AddSubview(w);
Widget.AdjustSubviews();
view.NotifyPreferredSizeChanged();
}
public void SetContent(IWidgetBackend widget)
{
if (child != null)
{
RemoveChildPlacement(child.Widget);
}
child = (ViewBackend)widget;
Widget.Box.SetContent(GetWidgetWithPlacement(widget));
ResetFittingSize();
}
public void Show(Xwt.Popover.Position orientation, Xwt.Widget referenceWidget, Xwt.Rectangle positionRect, Xwt.Widget child)
{
var controller = new FactoryViewController(child);
popover = new NSPopover();
popover.Behavior = NSPopoverBehavior.Transient;
popover.ContentViewController = controller;
ViewBackend backend = (ViewBackend)Toolkit.GetBackend(referenceWidget);
var reference = backend.Widget;
popover.Show(System.Drawing.RectangleF.Empty,
reference,
ToRectEdge(orientation));
}
protected virtual void SetChild(IWidgetBackend child)
{
if (this.child != null)
{
this.child.Widget.RemoveFromSuperview();
}
this.child = (ViewBackend)child;
if (child != null)
{
GetContentView().AddSubview(this.child.Widget);
SetPadding(frontend.Padding.Left, frontend.Padding.Top, frontend.Padding.Right, frontend.Padding.Bottom);
this.child.Widget.AutoresizingMask = NSViewResizingMask.HeightSizable | NSViewResizingMask.WidthSizable;
}
}
void IWindowBackend.SetChild(IWidgetBackend child)
{
if (this.child != null)
{
ViewBackend.RemoveChildPlacement(this.child.Widget);
this.child.Widget.RemoveFromSuperview();
childView = null;
}
this.child = (ViewBackend)child;
if (child != null)
{
childView = ViewBackend.GetWidgetWithPlacement(child);
ContentView.AddSubview(childView);
LayoutWindow();
childView.AutoresizingMask = NSViewResizingMask.HeightSizable | NSViewResizingMask.WidthSizable;
}
}
public void Show(Xwt.Popover.Position orientation, Xwt.Widget referenceWidget, Xwt.Rectangle positionRect, Xwt.Widget child)
{
popover = MakePopover(child, BackgroundColor);
ViewBackend backend = (ViewBackend)Toolkit.GetBackend(referenceWidget);
var reference = backend.Widget;
// If the position rect is empty, the coordinates of the rect will be ignored.
// Width and Height of the rect must be > Epsilon, for the positioning to function correctly.
if (Math.Abs(positionRect.Width) < double.Epsilon)
{
positionRect.Width = 1;
}
if (Math.Abs(positionRect.Height) < double.Epsilon)
{
positionRect.Height = 1;
}
popover.Show(positionRect.ToCGRect(),
reference,
ToRectEdge(orientation));
}
void UpdateChildSize()
{
if (child == null)
{
return;
}
if (Widget.ContentView is CustomClipView)
{
}
else
{
NSView view = (NSView)Widget.DocumentView;
ViewBackend c = (ViewBackend)child;
var pw = c.Frontend.Surface.GetPreferredWidth();
var w = Math.Max(pw.NaturalSize, Widget.ContentView.Frame.Width);
var ph = c.Frontend.Surface.GetPreferredHeightForWidth(w);
var h = Math.Max(ph.NaturalSize, Widget.ContentView.Frame.Height);
view.Frame = new System.Drawing.RectangleF(view.Frame.X, view.Frame.Y, (float)w, (float)h);
}
}
public void SetContent(IWidgetBackend widget)
{
if (childBackend != null)
{
childBackend.Widget.RemoveFromSuperview();
RemoveChildPlacement(childBackend.Widget);
childBackend.Widget.AutoresizingMask = NSViewResizingMask.NotSizable;
}
if (widget == null)
{
return;
}
var view = Widget;
childBackend = (ViewBackend)widget;
var childView = GetWidgetWithPlacement(childBackend);
childView.Frame = view.Bounds;
childView.AutoresizingMask = NSViewResizingMask.WidthSizable | NSViewResizingMask.HeightSizable;
view.AddSubview(childView);
view.SetNeedsDisplayInRect(view.Bounds);
}
public void Add(IWidgetBackend widget)
{
ViewBackend b = (ViewBackend)widget;
Widget.AddSubview(b.Widget);
}
public override bool HasNativeParent(Widget w)
{
ViewBackend wb = (ViewBackend)Toolkit.GetBackend(w);
return(wb.Widget.Superview != null);
}
