private void MouseMove(object sender, MouseEventArgs e)
{
if (!_mouseCaptured)
{
return;
}
var frameworkElement = _adorner as FrameworkElement;
if (frameworkElement == null)
{
return;
}
var deltaY = e.GetPosition(null).Y - _mouseY;
var deltaX = e.GetPosition(null).X - _mouseX;
var offset = new Point(_adorner.Offset.X + deltaX, _adorner.Offset.Y + deltaY);
// constrain the popup to the bounds of the window
if (_adorner.ChildPosition.Y + offset.Y < 0)
{
offset.Y = -_adorner.ChildPosition.Y;
}
if (_adorner.ChildPosition.X + offset.X < 0)
{
offset.X = -_adorner.ChildPosition.X;
}
var boundariesSize = ScreenHelper.GetWindowSize(null);
var adornedElement = _adorner.AdornedElement as FrameworkElement;
if (adornedElement != null)
{
boundariesSize = new Size(adornedElement.ActualWidth, adornedElement.ActualHeight);
}
var maxY = boundariesSize.Height - frameworkElement.ActualHeight;
if (_adorner.ChildPosition.Y + offset.Y > maxY)
{
offset.Y = maxY - _adorner.ChildPosition.Y;
}
var maxX = boundariesSize.Width - frameworkElement.ActualWidth;
if (_adorner.ChildPosition.X + offset.X > maxX)
{
offset.X = maxX - _adorner.ChildPosition.X;
}
_adorner.Offset = offset;
_mouseY = e.GetPosition(null).Y;
_mouseX = e.GetPosition(null).X;
}
static FontImage()
{
RegisterFont("Segoe UI Symbol", new FontFamily("Segoe UI Symbol"));
DefaultFontFamily = "Segoe UI Symbol";
DefaultBrush = Brushes.Black;
var dpi = ScreenHelper.GetDpi().Width;
RenderingEmSize = dpi / 96d;
}
private void MouseMove(object sender, MouseEventArgs e)
{
if (!_mouseCaptured)
{
return;
}
var frameworkElement = _popup.Child as FrameworkElement;
if (frameworkElement == null)
{
return;
}
var deltaY = e.GetPosition(null).Y - _mouseY;
var deltaX = e.GetPosition(null).X - _mouseX;
_popup.VerticalOffset += deltaY;
_popup.HorizontalOffset += deltaX;
// constrain the popup to the bounds of the silverlight window
if (_popup.VerticalOffset < 0)
{
_popup.VerticalOffset = 0;
}
if (_popup.HorizontalOffset < 0)
{
_popup.HorizontalOffset = 0;
}
var windowSize = ScreenHelper.GetWindowSize(null);
var maxY = windowSize.Height - frameworkElement.ActualHeight;
if (_popup.VerticalOffset > maxY)
{
_popup.VerticalOffset = maxY;
}
var maxX = windowSize.Width - frameworkElement.ActualWidth;
if (_popup.HorizontalOffset > maxX)
{
_popup.HorizontalOffset = maxX;
}
_mouseY = e.GetPosition(null).Y;
_mouseX = e.GetPosition(null).X;
}
/// <summary>
/// The on root visual mouse left button down.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The e.</param>
private static void OnRootVisualMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
lock (Locker)
{
foreach (var toolTip in ElementsAndToolTips.Values.Where(toolTip => toolTip != null && !toolTip.IsPinned))
{
if (ScreenHelper.IsParentOf(toolTip, e.OriginalSource as DependencyObject))
{
continue;
}
toolTip.Hide();
}
}
}
public Point GetPosition()
{
var position = new Point();
var mousePosition = PinnableToolTipService.MousePosition;
var rootVisual = PinnableToolTipService.RootVisual;
var horizontalOffset = HorizontalOffset;
var verticalOffset = VerticalOffset;
//using this code for non UIElements
if (_owner == null)
{
mousePosition = Mouse.GetPosition(_userDefinedAdorner);
if ((_userDefinedAdorner as FrameworkElement) == null)
{
rootVisual = System.Windows.Interop.BrowserInteropHelper.IsBrowserHosted
? null
: (Application.Current.MainWindow.Content as FrameworkElement) != null
? Application.Current.MainWindow.Content as FrameworkElement
: Application.Current.MainWindow;
}
else
{
rootVisual = _userDefinedAdorner as FrameworkElement;
}
if (rootVisual == null)
{
position = _isPositionCalculated ? _lastPosition : mousePosition;
return(position);
}
if (_isPositionCalculated)
{
if (_lastPosition.Y + DesiredSize.Height > rootVisual.ActualHeight)
{
_lastPosition.Y = rootVisual.ActualHeight - DesiredSize.Height;
}
if (_lastPosition.X + DesiredSize.Width > rootVisual.ActualWidth)
{
_lastPosition.X = rootVisual.ActualWidth - DesiredSize.Width;
}
position = _lastPosition;
return(position);
}
var offsetX = mousePosition.X + horizontalOffset;
var offsetY = mousePosition.Y + verticalOffset;
//offsetX = Math.Max(2.0, offsetX);
//offsetY = Math.Max(2.0, offsetY);
var actualHeight = rootVisual.ActualHeight;
var actualWidth = rootVisual.ActualWidth;
var lastHeight = _lastSize.Height;
var lastWidth = _lastSize.Width;
var lastRectangle = new Rect(offsetX, offsetY, lastWidth, lastHeight);
var actualRectangle = new Rect(0.0, 0.0, actualWidth, actualHeight);
actualRectangle.Intersect(lastRectangle);
if ((offsetY + DesiredSize.Height) > actualHeight)
{
offsetY = (actualHeight - DesiredSize.Height) - 2.0;
}
if (offsetY < 0.0)
{
offsetY = 0.0;
}
if ((offsetX + DesiredSize.Width) > actualWidth)
{
offsetX = (actualWidth - DesiredSize.Width) - 2.0;
}
if (offsetX < 0.0)
{
offsetX = 0.0;
}
position.Y = offsetY;
position.X = offsetX;
_isPositionCalculated = DesiredSize.Height > 0;
if (_isPositionCalculated)
{
_lastPosition = position;
}
return(position);
}
var placementMode = PinnableToolTipService.GetPlacement(_owner);
var placementTarget = PinnableToolTipService.GetPlacementTarget(_owner) ?? _owner;
switch (placementMode)
{
case PlacementMode.Mouse:
if (_isPositionCalculated)
{
position = _lastPosition;
return(position);
}
var offsetX = mousePosition.X + horizontalOffset;
var offsetY = mousePosition.Y + new TextBlock().FontSize + verticalOffset;
offsetX = Math.Max(2.0, offsetX);
offsetY = Math.Max(2.0, offsetY);
var actualHeight = rootVisual.ActualHeight;
var actualWidth = rootVisual.ActualWidth;
var lastHeight = _lastSize.Height;
var lastWidth = _lastSize.Width;
var lastRectangle = new Rect(offsetX, offsetY, lastWidth, lastHeight);
var actualRectangle = new Rect(0.0, 0.0, actualWidth, actualHeight);
actualRectangle.Intersect(lastRectangle);
if ((Math.Abs(actualRectangle.Width - lastRectangle.Width) < 2.0) &&
(Math.Abs(actualRectangle.Height - lastRectangle.Height) < 2.0))
{
position.Y = offsetY;
position.X = offsetX;
}
else
{
if ((offsetY + lastRectangle.Height) > actualHeight)
{
offsetY = (actualHeight - lastRectangle.Height) - 2.0;
}
if (offsetY < 0.0)
{
offsetY = 0.0;
}
if ((offsetX + lastRectangle.Width) > actualWidth)
{
offsetX = (actualWidth - lastRectangle.Width) - 2.0;
}
if (offsetX < 0.0)
{
offsetX = 0.0;
}
position.Y = offsetY;
position.X = offsetX;
}
_lastPosition = position;
_isPositionCalculated = true;
break;
case PlacementMode.Bottom:
case PlacementMode.Right:
case PlacementMode.Left:
case PlacementMode.Top:
var windowSize = ScreenHelper.GetWindowSize(null);
var plugin = new Rect(0.0, 0.0, windowSize.Width, windowSize.Height);
var translatedPoints = GetTranslatedPoints((FrameworkElement)placementTarget);
var toolTipPoints = GetTranslatedPoints(this);
var popupLocation = PlacePopup(plugin, translatedPoints, toolTipPoints, placementMode);
position.Y = popupLocation.Y + verticalOffset;
position.X = popupLocation.X + horizontalOffset;
break;
}
return(position);
}
