public virtual void OnPointerExited(HtmlCanvasPointerRoutedEventArgs e)
{
if (PointerExited != null)
{
PointerExited(this, e);
}
}
public virtual void OnRightTapped(HtmlCanvasPointerRoutedEventArgs e)
{
if (RightTapped != null)
{
RightTapped(this, e);
}
}
void ToolTipOwner_PointerExited(object sender, HtmlCanvasPointerRoutedEventArgs e)
{
if (_toolTipContainer != null &&
_toolTipContainer.IsOpen == true)
{
ToolTipService.CloseToolTip(_toolTipContainer);
}
}
void ToolTipOwner_PointerExited(object sender, HtmlCanvasPointerRoutedEventArgs e)
{
if (_toolTipContainer != null &&
_toolTipContainer.IsOpen == true)
{
_toolTipContainer.IsOpen = false;
}
}
void ToolTipOwner_PointerEntered(object sender, HtmlCanvasPointerRoutedEventArgs e)
{
if (_toolTipContainer != null &&
_toolTipContainer.IsOpen == false)
{
#if MIGRATION
Point absoluteCoordinates = e.GetPosition(null);
#else
Point absoluteCoordinates = e.GetCurrentPoint(null).Position;
#endif
Point absoluteCoordinatesShiftedToBeBelowThePointer = new Point(absoluteCoordinates.X, absoluteCoordinates.Y + 20);
ToolTipService.OpenToolTipAt(_toolTipContainer, absoluteCoordinatesShiftedToBeBelowThePointer);
}
}
void HtmlCanvas_PointerMoved(object sender, PointerRoutedEventArgs e)
#endif
{
// Get the cursor position relative to this HtmlCanvas
#if MIGRATION
Point pos = e.GetPosition(this);
#else
Point pos = e.GetCurrentPoint(this).Position;
#endif
// Get a stack of the HtmlCanvasElement directly under the cursor and all his parents
// (Parent1, Parent2, ..., ElementDirectlyUnderTheCursor)
HtmlCanvasElement[] elements = GetPointedElements(this, pos.X, pos.Y).ToArray();
HtmlCanvasPointerRoutedEventArgs e2 = new HtmlCanvasPointerRoutedEventArgs(e, this);
// Loop backward on every element of the stack
for (int i = 0; i < elements.Length && !e.Handled; ++i)
{
// Remove the last element of the stack and call its OnPointerMoved() method
elements[i].OnPointerMoved(e2);
}
if (_LastPointerMove != null)
{
e2 = new HtmlCanvasPointerRoutedEventArgs(e, this);
for (int i = 0; i < elements.Length && !e.Handled; ++i)
{
if (Array.IndexOf(_LastPointerMove, elements[i]) == -1)
{
elements[i].OnPointerEntered(e2);
}
}
e2 = new HtmlCanvasPointerRoutedEventArgs(e, this);
for (int i = 0; i < _LastPointerMove.Length && !e.Handled; ++i)
{
if (Array.IndexOf(elements, _LastPointerMove[i]) == -1)
{
_LastPointerMove[i].OnPointerExited(e2);
}
}
}
_LastPointerMove = elements;
}
void HtmlCanvas_PointerReleased(object sender, PointerRoutedEventArgs e)
#endif
{
// Get the cursor position relative to this HtmlCanvas
#if MIGRATION
Point pos = e.GetPosition(this);
#else
Point pos = e.GetCurrentPoint(this).Position;
#endif
// Get a stack of the HtmlCanvasElement directly under the cursor and all his parents
// (Parent1, Parent2, ..., ElementDirectlyUnderTheCursor)
Stack <HtmlCanvasElement> elements = GetPointedElements(this, pos.X, pos.Y);
HtmlCanvasPointerRoutedEventArgs e2 = new HtmlCanvasPointerRoutedEventArgs(e, this);
// Loop backward on every element of the stack
while (!e.Handled && elements.Count > 0)
{
// Remove the last element of the stack and call its OnPointerMoved() method
elements.Pop().OnPointerReleased(e2);
}
}
static void HtmlCanvasElement_RightTapped(object sender, HtmlCanvasPointerRoutedEventArgs e)
{
// Show the ContextMenu where the pointer is located:
var htmlCanvasElement = (HtmlCanvasElement)sender;
var contextMenu = htmlCanvasElement.ContextMenu;
if (contextMenu != null)
{
if (contextMenu.IsOpen == false)
{
#if MIGRATION
Point pointerPosition = e.GetPosition(null);
#else
Point pointerPosition = e.GetCurrentPoint(null).Position;
#endif
htmlCanvasElement.INTERNAL_RaiseContextMenuOpeningEvent(pointerPosition.X, pointerPosition.Y);
contextMenu.INTERNAL_OpenAtCoordinates(pointerPosition);
}
}
else
{
UnregisterContextMenu(htmlCanvasElement);
}
}
