protected override Point GetClickablePointCore()
{
Point pt = new Point();
TextElement textElement = (TextElement)Owner;
ITextView textView = textElement.TextContainer.TextView;
if (textView == null || !textView.IsValid || (!textView.Contains(textElement.ContentStart) && !textView.Contains(textElement.ContentEnd)))
{
return(pt);
}
PresentationSource presentationSource = PresentationSource.CriticalFromVisual(textView.RenderScope);
if (presentationSource == null)
{
return(pt);
}
HwndSource hwndSource = presentationSource as HwndSource;
// If the source isn't an HwnSource, there's not much we can do, return empty rect
if (hwndSource == null)
{
return(pt);
}
TextPointer endPosition = textElement.ContentStart.GetNextInsertionPosition(LogicalDirection.Forward);
if (endPosition == null || endPosition.CompareTo(textElement.ContentEnd) > 0)
{
endPosition = textElement.ContentEnd;
}
Rect rectElement = CalculateVisibleRect(textView, textElement, textElement.ContentStart, endPosition);
Rect rectRoot = PointUtil.ElementToRoot(rectElement, textView.RenderScope, presentationSource);
Rect rectClient = PointUtil.RootToClient(rectRoot, presentationSource);
Rect rectScreen = PointUtil.ClientToScreen(rectClient, hwndSource);
pt = new Point(rectScreen.Left + rectScreen.Width * 0.5, rectScreen.Top + rectScreen.Height * 0.5);
return(pt);
}
protected override Point GetClickablePointCore()
{
Point point = new Point();
UIElement uiScope;
Rect boundingRect = CalculateBoundingRect(true, out uiScope);
if (boundingRect != Rect.Empty && uiScope != null)
{
HwndSource hwndSource = PresentationSource.CriticalFromVisual(uiScope) as HwndSource;
if (hwndSource != null)
{
boundingRect = PointUtil.ElementToRoot(boundingRect, uiScope, hwndSource);
boundingRect = PointUtil.RootToClient(boundingRect, hwndSource);
boundingRect = PointUtil.ClientToScreen(boundingRect, hwndSource);
point = new Point(boundingRect.Left + boundingRect.Width * 0.1, boundingRect.Top + boundingRect.Height * 0.1);
}
}
return(point);
}
protected override Rect GetBoundingRectangleCore()
{
TextElement textElement = (TextElement)Owner;
ITextView textView = textElement.TextContainer.TextView;
if (textView == null || !textView.IsValid)
{
return(Rect.Empty);
}
Geometry geometry = textView.GetTightBoundingGeometryFromTextPositions(textElement.ContentStart, textElement.ContentEnd);
if (geometry != null)
{
PresentationSource presentationSource = PresentationSource.CriticalFromVisual(textView.RenderScope);
if (presentationSource == null)
{
return(Rect.Empty);
}
HwndSource hwndSource = presentationSource as HwndSource;
// If the source isn't an HwnSource, there's not much we can do, return empty rect
if (hwndSource == null)
{
return(Rect.Empty);
}
Rect rectElement = geometry.Bounds;
Rect rectRoot = PointUtil.ElementToRoot(rectElement, textView.RenderScope, presentationSource);
Rect rectClient = PointUtil.RootToClient(rectRoot, presentationSource);
Rect rectScreen = PointUtil.ClientToScreen(rectClient, hwndSource);
return(rectScreen);
}
else
{
return(Rect.Empty);
}
}
/// <summary>
/// Move the mouse to the specified position within the given element. x and y are
/// coordinates within the element, (0,0) is upper left, (1,1) is lower right.
/// </summary>
/// <param name="target"></param>
/// <param name="x"></param>
/// <param name="y"></param>
public bool MoveMouse(UIElement target, double x, double y)
{
// This code is paraphrased from Popup.cs.
PresentationSource source = PresentationSource.FromVisual(target);
if (source == null)
{
return(false);
}
// Transform (0,0) from the target element up to the root.
Point ptTarget = new Point(0, 0);
GeneralTransform transform;
try
{
transform = target.TransformToAncestor(source.RootVisual);
}
catch (InvalidOperationException)
{
Console.WriteLine(" MoveMouse to ({0},{1}) of {2} failed",
x, y, Identify(target));
// if visuals are not connected...
return(false);
}
Point ptRoot;
transform.TryTransform(ptTarget, out ptRoot);
Point ptClient = PointUtil.RootToClient(ptRoot, source);
Point ptScreen = PointUtil.ClientToScreen(ptClient, source);
// Get the width of the target element in pixels.
Point size = source.CompositionTarget.TransformToDevice.Transform(new Point(target.RenderSize.Width, target.RenderSize.Height));
Point moveToPoint = new Point(ptScreen.X + size.X * x, ptScreen.Y + size.Y * y);
MoveMouse(moveToPoint);
return(true);
}
private bool ComputeBoundingRectangle(out Rect rect)
{
rect = Rect.Empty;
PresentationSource presentationSource = PresentationSource.CriticalFromVisual(_owner);
// If there's no source, the element is not visible, return empty rect
if(presentationSource == null)
return false;
HwndSource hwndSource = presentationSource as HwndSource;
// If the source isn't an HwndSource, there's not much we can do, return empty rect
if(hwndSource == null)
return false;
Rect rectElement = _owner.Visual2DContentBounds;
// we use VisualTreeHelper.GetContainingVisual2D to transform from the containing Viewport3DVisual
Rect rectRoot = PointUtil.ElementToRoot(rectElement, VisualTreeHelper.GetContainingVisual2D(_owner), presentationSource);
Rect rectClient = PointUtil.RootToClient(rectRoot, presentationSource);
rect = PointUtil.ClientToScreen(rectClient, hwndSource);
return true;
}
protected override Point GetClickablePointCore()
{
Point result = default(Point);
TextElement textElement = (TextElement)base.Owner;
ITextView textView = textElement.TextContainer.TextView;
if (textView == null || !textView.IsValid || (!textView.Contains(textElement.ContentStart) && !textView.Contains(textElement.ContentEnd)))
{
return(result);
}
PresentationSource presentationSource = PresentationSource.CriticalFromVisual(textView.RenderScope);
if (presentationSource == null)
{
return(result);
}
HwndSource hwndSource = presentationSource as HwndSource;
if (hwndSource == null)
{
return(result);
}
TextPointer textPointer = textElement.ContentStart.GetNextInsertionPosition(LogicalDirection.Forward);
if (textPointer == null || textPointer.CompareTo(textElement.ContentEnd) > 0)
{
textPointer = textElement.ContentEnd;
}
Rect rectElement = this.CalculateVisibleRect(textView, textElement, textElement.ContentStart, textPointer);
Rect rectRoot = PointUtil.ElementToRoot(rectElement, textView.RenderScope, presentationSource);
Rect rectClient = PointUtil.RootToClient(rectRoot, presentationSource);
Rect rect = PointUtil.ClientToScreen(rectClient, hwndSource);
result = new Point(rect.Left + rect.Width * 0.5, rect.Top + rect.Height * 0.5);
return(result);
}
internal static Point TranslatePoint(Point pt, DependencyObject from, DependencyObject to, out bool translated)
{
translated = false;
Point ptTranslated = pt;
// Get the containing and root visuals we are coming from.
DependencyObject vFromAsDO = InputElement.GetContainingVisual(from);
Visual rootFrom = InputElement.GetRootVisual(from) as Visual;
Visual vFrom = vFromAsDO as Visual;
if (vFromAsDO != null && vFrom == null)
{
// must be a Visual3D - get it's 2D visual parent
vFrom = VisualTreeHelper.GetContainingVisual2D(vFromAsDO);
}
if (vFrom != null && rootFrom != null)
{
GeneralTransform gUp;
Matrix mUp;
bool isUpSimple = false;
isUpSimple = vFrom.TrySimpleTransformToAncestor(rootFrom,
false, /* do not apply inverse */
out gUp,
out mUp);
if (isUpSimple)
{
ptTranslated = mUp.Transform(ptTranslated);
}
else if (gUp.TryTransform(ptTranslated, out ptTranslated) == false)
{
// Error. Out parameter has been set false.
return(new Point());
}
// If no element was specified to translate to, we leave the coordinates
// translated to the root.
if (to != null)
{
// Get the containing and root visuals we are going to.
DependencyObject vTo = InputElement.GetContainingVisual(to);
Visual rootTo = InputElement.GetRootVisual(to) as Visual;
if (vTo != null && rootTo != null)
{
// If both are under the same root visual, we can easily translate the point
// between them by translating up to the root, and then back down.
//
// However, if both are under different roots, we can only translate
// between them if we know how to relate the two root visuals. Currently
// we only know how to do that if both roots are sourced in HwndSources.
if (rootFrom != rootTo)
{
HwndSource sourceFrom = PresentationSource.CriticalFromVisual(rootFrom) as HwndSource;
HwndSource sourceTo = PresentationSource.CriticalFromVisual(rootTo) as HwndSource;
if (sourceFrom != null && sourceFrom.CriticalHandle != IntPtr.Zero && sourceFrom.CompositionTarget != null &&
sourceTo != null && sourceTo.CriticalHandle != IntPtr.Zero && sourceTo.CompositionTarget != null)
{
// Translate the point into client coordinates.
ptTranslated = PointUtil.RootToClient(ptTranslated, sourceFrom);
// Translate the point into screen coordinates.
Point ptScreen = PointUtil.ClientToScreen(ptTranslated, sourceFrom);
// Translate the point back the the client coordinates of the To window.
ptTranslated = PointUtil.ScreenToClient(ptScreen, sourceTo);
// Translate the point back to the root element.
ptTranslated = PointUtil.ClientToRoot(ptTranslated, sourceTo);
}
else
{
// Error. Out parameter has been set false.
return(new Point());
}
}
// Translate the point from the root to the visual.
GeneralTransform gDown;
Matrix mDown;
Visual vToAsVisual = vTo as Visual;
if (vToAsVisual == null)
{
// must be a Visual3D
vToAsVisual = VisualTreeHelper.GetContainingVisual2D(vTo);
}
bool isDownSimple = vToAsVisual.TrySimpleTransformToAncestor(rootTo,
true, /* apply inverse */
out gDown,
out mDown);
if (isDownSimple)
{
ptTranslated = mDown.Transform(ptTranslated);
}
else if (gDown != null)
{
if (gDown.TryTransform(ptTranslated, out ptTranslated) == false)
{
// Error. Out parameter has been set false.
return(new Point());
}
}
else
{
// Error. Out parameter has been set false.
return(new Point());
}
}
else
{
// Error. Out parameter has been set false.
return(new Point());
}
}
}
else
{
// Error. Out parameter has been set false.
return(new Point());
}
translated = true;
return(ptTranslated);
}
/////////////////////////////////////////////////////////////////////
public void SimulateLeftUp(HwndSource window, Point ptClient)
{
Point ptScreen = PointUtil.ClientToScreen(ptClient, window);
Input.SendMouseInput(ptScreen.X, ptScreen.Y, 0, SendMouseInputFlags.LeftUp);
}
/////////////////////////////////////////////////////////////////////
public void SimulateMove(HwndSource window, Point ptClient)
{
Point ptScreen = PointUtil.ClientToScreen(ptClient, window);
Input.MoveTo(ptScreen);
}