/// <summary>
/// The mouse move.
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="e">
/// The e.
/// </param>
private void MouseMove(object sender, MouseEventArgs e)
{
if (!this.mouseCaptured)
{
return;
}
var frameworkElement = this.adorner as FrameworkElement;
if (frameworkElement == null)
{
return;
}
double deltaY = e.GetPosition(null).Y - this.mouseY;
double deltaX = e.GetPosition(null).X - this.mouseX;
var offset = new Point(this.adorner.Offset.X + deltaX, this.adorner.Offset.Y + deltaY);
// constrain the popup to the bounds of the window
if (this.adorner.ChildPosition.Y + offset.Y < 0)
{
offset.Y = -this.adorner.ChildPosition.Y;
}
if (this.adorner.ChildPosition.X + offset.X < 0)
{
offset.X = -this.adorner.ChildPosition.X;
}
Size boundariesSize = ScreenUtils.GetWindowSize();
var adornedElement = this.adorner.AdornedElement as FrameworkElement;
if (adornedElement != null)
{
boundariesSize = new Size(adornedElement.ActualWidth, adornedElement.ActualHeight);
}
double maxY = boundariesSize.Height - frameworkElement.ActualHeight;
if (this.adorner.ChildPosition.Y + offset.Y > maxY)
{
offset.Y = maxY - this.adorner.ChildPosition.Y;
}
double maxX = boundariesSize.Width - frameworkElement.ActualWidth;
if (this.adorner.ChildPosition.X + offset.X > maxX)
{
offset.X = maxX - this.adorner.ChildPosition.X;
}
this.adorner.Offset = offset;
this.mouseY = e.GetPosition(null).Y;
this.mouseX = e.GetPosition(null).X;
}
/// <summary>
/// The mouse move.
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="e">
/// The e.
/// </param>
private void MouseMove(object sender, MouseEventArgs e)
{
if (!this.mouseCaptured)
{
return;
}
var frameworkElement = this.popup.Child as FrameworkElement;
if (frameworkElement == null)
{
return;
}
double deltaY = e.GetPosition(null).Y - this.mouseY;
double deltaX = e.GetPosition(null).X - this.mouseX;
this.popup.VerticalOffset += deltaY;
this.popup.HorizontalOffset += deltaX;
// constrain the popup to the bounds of the silverlight window
if (this.popup.VerticalOffset < 0)
{
this.popup.VerticalOffset = 0;
}
if (this.popup.HorizontalOffset < 0)
{
this.popup.HorizontalOffset = 0;
}
Size windowSize = ScreenUtils.GetWindowSize();
double maxY = windowSize.Height - frameworkElement.ActualHeight;
if (this.popup.VerticalOffset > maxY)
{
this.popup.VerticalOffset = maxY;
}
double maxX = windowSize.Width - frameworkElement.ActualWidth;
if (this.popup.HorizontalOffset > maxX)
{
this.popup.HorizontalOffset = maxX;
}
this.mouseY = e.GetPosition(null).Y;
this.mouseX = e.GetPosition(null).X;
}
