protected virtual void Enable(IUserInterfaceWindow window)
{
var snappingWindow = new SnappingWindow(window.Handle);
snappingWindow.InitializeComponent(this.Core);
this.Windows.Add(window, snappingWindow);
}
protected virtual void Resize(SnappingWindow snappingWindow, Point offset, SnapDirection direction)
{
var bounds = snappingWindow.Adapter.Bounds;
if (this.ResizeDirection.HasFlag(ResizeDirection.Left))
{
if (direction.HasFlag(SnapDirection.InsideLeft) && direction.HasFlag(SnapDirection.InsideRight))
{
bounds.X = snappingWindow.PreviousBounds.X + offset.X;
bounds.Width = snappingWindow.PreviousBounds.Width - offset.X;
}
else if (direction.HasFlag(SnapDirection.InsideLeft) || direction.HasFlag(SnapDirection.OutsideRight))
{
bounds.X = snappingWindow.PreviousBounds.X + offset.X;
}
}
if (this.ResizeDirection.HasFlag(ResizeDirection.Right))
{
if (direction.HasFlag(SnapDirection.InsideLeft) && direction.HasFlag(SnapDirection.InsideRight))
{
bounds.Width = snappingWindow.PreviousBounds.Width + offset.X;
}
else if (direction.HasFlag(SnapDirection.OutsideLeft) || direction.HasFlag(SnapDirection.InsideRight))
{
bounds.X = snappingWindow.PreviousBounds.X + offset.X;
}
}
if (this.ResizeDirection.HasFlag(ResizeDirection.Top))
{
if (direction.HasFlag(SnapDirection.InsideTop) && direction.HasFlag(SnapDirection.InsideBottom))
{
bounds.Y = snappingWindow.PreviousBounds.Y + offset.Y;
bounds.Height = snappingWindow.PreviousBounds.Height - offset.Y;
}
else if (direction.HasFlag(SnapDirection.InsideTop) || direction.HasFlag(SnapDirection.OutsideBottom))
{
bounds.Y = snappingWindow.PreviousBounds.Y + offset.Y;
}
}
if (this.ResizeDirection.HasFlag(ResizeDirection.Bottom))
{
if (direction.HasFlag(SnapDirection.InsideTop) && direction.HasFlag(SnapDirection.InsideBottom))
{
bounds.Height = snappingWindow.PreviousBounds.Height + offset.Y;
}
else if (direction.HasFlag(SnapDirection.OutsideTop) || direction.HasFlag(SnapDirection.InsideBottom))
{
bounds.Y = snappingWindow.PreviousBounds.Y + offset.Y;
}
}
if (snappingWindow.Adapter.Bounds != bounds)
{
snappingWindow.Adapter.Bounds = bounds;
}
}
protected static void OnActiveChanged(SnappingWindow sender)
{
if (ActiveChanged == null)
{
return;
}
ActiveChanged(sender, EventArgs.Empty);
}
protected virtual void Move(SnappingWindow snappingWindow, Point offset, SnapDirection direction)
{
var bounds = snappingWindow.Adapter.Bounds;
var location = new Point(
snappingWindow.PreviousBounds.X - offset.X,
snappingWindow.PreviousBounds.Y - offset.Y
);
bounds.Location = location;
if (snappingWindow.Adapter.Bounds != bounds)
{
snappingWindow.Adapter.Bounds = bounds;
}
}
public static void ForEachStickyWindow(SnappingWindow snappingWindow, Action <SnappingWindow> action)
{
var queue = new Queue <SnappingWindow>(snappingWindow.StickyWindows.Keys);
var activated = new HashSet <SnappingWindow>(new[] { snappingWindow });
while (queue.Count > 0)
{
var stickyWindow = queue.Dequeue();
if (!activated.Add(stickyWindow))
{
continue;
}
queue.EnqueueRange(stickyWindow.StickyWindows.Keys);
action(stickyWindow);
}
}
protected virtual bool IsStuck(SnappingWindow snappingWindow, SnapDirection direction)
{
if (this.ResizeDirection.HasFlag(ResizeDirection.Left))
{
return(direction.HasFlag(SnapDirection.InsideLeft) || direction.HasFlag(SnapDirection.OutsideRight));
}
if (this.ResizeDirection.HasFlag(ResizeDirection.Right))
{
return(direction.HasFlag(SnapDirection.InsideRight) || direction.HasFlag(SnapDirection.OutsideLeft));
}
if (this.ResizeDirection.HasFlag(ResizeDirection.Top))
{
return(direction.HasFlag(SnapDirection.InsideTop) || direction.HasFlag(SnapDirection.OutsideBottom));
}
if (this.ResizeDirection.HasFlag(ResizeDirection.Bottom))
{
return(direction.HasFlag(SnapDirection.InsideBottom) || direction.HasFlag(SnapDirection.OutsideTop));
}
return(false);
}