private void InputDeviceEvents_PreProcessInput(object sender, PreProcessInputEventArgs e)
{
if (e.StagingItem.Input.Device is TouchDevice)
{
InputReportEventArgs irea = e.StagingItem.Input as InputReportEventArgs;
if (irea != null)
{
RawTouchInputReport rtir = irea.Report as RawTouchInputReport;
if (rtir != null)
{
// cancel any touch event that does not start within the modal window
//if (!this.ContainsPoint(rtir.Touches[0].X, rtir.Touches[0].Y))
// e.Cancel();
int x = rtir.Touches[0].X;
int y = rtir.Touches[0].Y;
PointToClient(ref x, ref y);
if (!Utils.IsWithinRectangle(x, y, ActualWidth, ActualWidth))
{
e.Cancel();
}
}
}
}
}
internal override void Synchronize()
{
// Simulate a stylus move (if we are current stylus, inrange, visuals still valid to update
// and has moved).
if (InRange && _inputSource != null && _inputSource.Value != null &&
_inputSource.Value.CompositionTarget != null && !_inputSource.Value.CompositionTarget.IsDisposed)
{
Point rawScreenPoint = new Point(_pointerData.Info.ptPixelLocationRaw.X, _pointerData.Info.ptPixelLocationRaw.Y);
Point ptDevice = PointUtil.ScreenToClient(rawScreenPoint, _inputSource.Value);
// GlobalHitTest always returns an IInputElement, so we are sure to have one.
IInputElement stylusOver = Input.StylusDevice.GlobalHitTest(_inputSource.Value, ptDevice);
bool fOffsetChanged = false;
if (_stylusOver == stylusOver)
{
Point ptOffset = GetPosition(stylusOver);
fOffsetChanged = MS.Internal.DoubleUtil.AreClose(ptOffset.X, _rawElementRelativePosition.X) == false || MS.Internal.DoubleUtil.AreClose(ptOffset.Y, _rawElementRelativePosition.Y) == false;
}
if (fOffsetChanged || _stylusOver != stylusOver)
{
int timeStamp = Environment.TickCount;
if (_currentStylusPoints != null &&
_currentStylusPoints.Count > 0 &&
StylusPointDescription.AreCompatible(PointerTabletDevice.StylusPointDescription, _currentStylusPoints.Description))
{
StylusPoint stylusPoint = _currentStylusPoints[_currentStylusPoints.Count - 1];
int[] data = stylusPoint.GetPacketData();
// get back to the correct coordinate system
Matrix m = _tabletDevice.TabletToScreen;
m.Invert();
Point ptTablet = ptDevice * m;
data[0] = (int)ptTablet.X;
data[1] = (int)ptTablet.Y;
RawStylusInputReport report = new RawStylusInputReport(InputMode.Foreground,
timeStamp,
_inputSource.Value,
InAir ? RawStylusActions.InAirMove : RawStylusActions.Move,
() => { return(PointerTabletDevice.StylusPointDescription); },
TabletDevice.Id,
Id,
data);
report.Synchronized = true;
InputReportEventArgs inputReportEventArgs = new InputReportEventArgs(StylusDevice, report);
inputReportEventArgs.RoutedEvent = InputManager.PreviewInputReportEvent;
InputManager.Current.ProcessInput(inputReportEventArgs);
}
}
}
}
private void HandleInteraction(object clientData, RawStylusSystemGestureInputReport originalReport)
{
RawStylusSystemGestureInputReport report = new RawStylusSystemGestureInputReport(
InputMode.Foreground,
Environment.TickCount,
CriticalActiveSource,
() => { return(PointerTabletDevice.StylusPointDescription); },
TabletDevice.Id,
Id,
originalReport.SystemGesture,
originalReport.GestureX,
originalReport.GestureY,
originalReport.ButtonState)
{
StylusDevice = StylusDevice,
};
// For a flick, update the points in the stylus device to the flick location.
// This forces processing of the stylus over to use the initial flick location
// instead of the last WM_POINTER message location allowing command processing to
// be done on the flick location itself.
if (report.SystemGesture == SystemGesture.Flick)
{
StylusPoint flickPoint = _currentStylusPoints[_currentStylusPoints.Count - 1];
flickPoint.X = report.GestureX;
flickPoint.Y = report.GestureY;
_currentStylusPoints = new StylusPointCollection(flickPoint.Description,
flickPoint.GetPacketData(),
GetTabletToElementTransform(null),
Matrix.Identity);
}
InputReportEventArgs irea = new InputReportEventArgs(StylusDevice, report)
{
RoutedEvent = InputManager.PreviewInputReportEvent,
};
// Now send the input report
InputManager.UnsecureCurrent.ProcessInput(irea);
}
private void InputDeviceEvents_PreProcessInput(object sender, PreProcessInputEventArgs e)
{
if (e.StagingItem.Input.Device is TouchDevice)
{
InputReportEventArgs irea = e.StagingItem.Input as InputReportEventArgs;
if (irea != null)
{
RawTouchInputReport rtir = irea.Report as RawTouchInputReport;
if (rtir != null)
{
int x = rtir.Touches[0].X;
int y = rtir.Touches[0].Y;
PointToClient(ref x, ref y);
if (!Utils.IsWithinRectangle(x, y, ActualWidth, ActualWidth))
{
e.Cancel();
}
}
}
}
}
/// <summary>
/// Processes the latest WM_POINTER message and forwards it to the WPF input stack.
/// </summary>
/// <param name="pointerId">The id of the pointer message</param>
/// <param name="action">The stylus action being done</param>
/// <param name="timestamp">The time (in ticks) the message arrived</param>
/// <returns>True if successfully processed (handled), false otherwise</returns>
private bool ProcessMessage(uint pointerId, RawStylusActions action, int timestamp)
{
bool handled = false;
// Acquire all pointer data needed
PointerData data = new PointerData(pointerId);
// Only process touch or pen messages, do not process mouse or touchpad
if (data.IsValid &&
(data.Info.pointerType == UnsafeNativeMethods.POINTER_INPUT_TYPE.PT_TOUCH ||
data.Info.pointerType == UnsafeNativeMethods.POINTER_INPUT_TYPE.PT_PEN))
{
uint cursorId = 0;
if (UnsafeNativeMethods.GetPointerCursorId(pointerId, ref cursorId))
{
IntPtr deviceId = data.Info.sourceDevice;
// If we cannot acquire the latest tablet and stylus then wait for the
// next message.
if (!UpdateCurrentTabletAndStylus(deviceId, cursorId))
{
return(false);
}
// Convert move to InAirMove if applicable
if (action == RawStylusActions.Move &&
(!data.Info.pointerFlags.HasFlag(UnsafeNativeMethods.POINTER_FLAGS.POINTER_FLAG_INCONTACT) &&
data.Info.pointerFlags.HasFlag(UnsafeNativeMethods.POINTER_FLAGS.POINTER_FLAG_INRANGE)))
{
action = RawStylusActions.InAirMove;
}
// Generate a raw input to send to the input manager to start the event chain in PointerLogic
RawStylusInputReport rsir =
new RawStylusInputReport(
InputMode.Foreground,
timestamp,
_source.Value,
action,
() => { return(_currentTabletDevice.StylusPointDescription); },
_currentTabletDevice.Id,
_currentStylusDevice.Id,
GenerateRawStylusData(data, _currentTabletDevice))
{
StylusDevice = _currentStylusDevice.StylusDevice,
};
// Send the input report to the stylus plugins if we're not doing a drag and the window
// is currently enabled.
if (!_pointerLogic.Value.InDragDrop && IsWindowEnabled)
{
PointerStylusPlugInManager manager;
if (_pointerLogic.Value.PlugInManagers.TryGetValue(_source.Value, out manager))
{
manager.InvokeStylusPluginCollection(rsir);
}
}
// Update the data in the stylus device with the latest pointer data
_currentStylusDevice.Update(this, _source.Value, data, rsir);
// Call the StylusDevice to process and fire any interactions that
// might have resulted from the input. If the originating inputs
// have been handled, we don't want to generate any gestures.
_currentStylusDevice.UpdateInteractions(rsir);
InputReportEventArgs irea = new InputReportEventArgs(_currentStylusDevice.StylusDevice, rsir)
{
RoutedEvent = InputManager.PreviewInputReportEvent,
};
// Now send the input report
InputManager.UnsecureCurrent.ProcessInput(irea);
// If this is not a primary pointer input, we don't want to
// allow it to go to DefWindowProc, so we should handle it.
// This ensures that primary pointer to mouse promotions
// will occur in multi-touch scenarios.
// We don't use the results of the input processing here as doing
// so could possibly cause some messages of a pointer chain as
// being handled, and some as being unhandled. This results in
// undefined behavior in the WM_POINTER stack.
// <see cref="https://msdn.microsoft.com/en-us/library/windows/desktop/hh454923(v=vs.85).aspx"/>
handled = !_currentStylusDevice.IsPrimary;
}
}
return(handled);
}
private void OnPostProcessInput(object sender, ProcessInputEventArgs e)
{
if (e.StagingItem.Input.RoutedEvent == InputManager.InputReportEvent)
{
InputReportEventArgs inputReportEventArgs = (InputReportEventArgs)e.StagingItem.Input;
if (!inputReportEventArgs.Handled && inputReportEventArgs.Report.Type == InputType.Mouse)
{
RawMouseInputReport rawMouseInputReport = (RawMouseInputReport)inputReportEventArgs.Report;
if ((rawMouseInputReport.Actions & RawMouseActions.AbsoluteMove) == RawMouseActions.AbsoluteMove)
{
if (Mouse.LeftButton == MouseButtonState.Pressed || Mouse.RightButton == MouseButtonState.Pressed)
{
this.RaiseToolTipClosingEvent(true);
return;
}
IInputElement inputElement = Mouse.PrimaryDevice.RawDirectlyOver;
if (inputElement != null)
{
Point position = Mouse.PrimaryDevice.GetPosition(inputElement);
if (Mouse.CapturedMode != CaptureMode.None)
{
PresentationSource presentationSource = PresentationSource.CriticalFromVisual((DependencyObject)inputElement);
UIElement uIElement = (presentationSource != null) ? (presentationSource.RootVisual as UIElement) : null;
if (uIElement != null)
{
position = Mouse.PrimaryDevice.GetPosition(uIElement);
IInputElement inputElement2;
uIElement.InputHitTest(position, out inputElement2, out inputElement);
position = Mouse.PrimaryDevice.GetPosition(inputElement);
}
else
{
inputElement = null;
}
}
if (inputElement != null)
{
this.OnMouseMove(inputElement, position);
return;
}
}
}
else if ((rawMouseInputReport.Actions & RawMouseActions.Deactivate) == RawMouseActions.Deactivate && this.LastMouseDirectlyOver != null)
{
this.LastMouseDirectlyOver = null;
if (this.LastMouseOverWithToolTip != null)
{
this.RaiseToolTipClosingEvent(true);
if (SafeNativeMethods.GetCapture() == IntPtr.Zero)
{
this.LastMouseOverWithToolTip = null;
return;
}
}
}
}
}
else
{
if (e.StagingItem.Input.RoutedEvent == Keyboard.KeyDownEvent)
{
this.ProcessKeyDown(sender, (KeyEventArgs)e.StagingItem.Input);
return;
}
if (e.StagingItem.Input.RoutedEvent == Keyboard.KeyUpEvent)
{
this.ProcessKeyUp(sender, (KeyEventArgs)e.StagingItem.Input);
return;
}
if (e.StagingItem.Input.RoutedEvent == Mouse.MouseUpEvent)
{
this.ProcessMouseUp(sender, (MouseButtonEventArgs)e.StagingItem.Input);
return;
}
if (e.StagingItem.Input.RoutedEvent == Mouse.MouseDownEvent)
{
this.RaiseToolTipClosingEvent(true);
}
}
}
/////////////////////////////////////////////////////////////////////
private void OnPostProcessInput(object sender, ProcessInputEventArgs e)
{
if (e.StagingItem.Input.RoutedEvent == InputManager.InputReportEvent)
{
InputReportEventArgs report = (InputReportEventArgs)e.StagingItem.Input;
if (!report.Handled)
{
if (report.Report.Type == InputType.Mouse)
{
RawMouseInputReport mouseReport = (RawMouseInputReport)report.Report;
if ((mouseReport.Actions & RawMouseActions.AbsoluteMove) == RawMouseActions.AbsoluteMove)
{
if ((Mouse.LeftButton == MouseButtonState.Pressed) ||
(Mouse.RightButton == MouseButtonState.Pressed))
{
RaiseToolTipClosingEvent(true /* reset */);
}
else
{
IInputElement directlyOver = Mouse.PrimaryDevice.RawDirectlyOver;
if (directlyOver != null)
{
Point pt = Mouse.PrimaryDevice.GetPosition(directlyOver);
// If possible, check that the mouse position is within the render bounds
// (avoids mouse capture confusion).
if (Mouse.CapturedMode != CaptureMode.None)
{
// Get the root visual
PresentationSource source = PresentationSource.CriticalFromVisual((DependencyObject)directlyOver);
UIElement rootAsUIElement = source != null ? source.RootVisual as UIElement : null;
if (rootAsUIElement != null)
{
// Get mouse position wrt to root
pt = Mouse.PrimaryDevice.GetPosition(rootAsUIElement);
// Hittest to find the element the mouse is over
IInputElement enabledHit;
rootAsUIElement.InputHitTest(pt, out enabledHit, out directlyOver);
// Find the position of the mouse relative the element that the mouse is over
pt = Mouse.PrimaryDevice.GetPosition(directlyOver);
}
else
{
directlyOver = null;
}
}
if (directlyOver != null)
{
// Process the mouse move
OnMouseMove(directlyOver, pt);
}
}
}
}
else if ((mouseReport.Actions & RawMouseActions.Deactivate) == RawMouseActions.Deactivate)
{
if (LastMouseDirectlyOver != null)
{
LastMouseDirectlyOver = null;
if (LastMouseOverWithToolTip != null)
{
RaiseToolTipClosingEvent(true /* reset */);
// When the user moves the cursor outside of the window,
// clear the LastMouseOverWithToolTip property so if the user returns
// the mouse to the same item, the tooltip will reappear. If
// the deactivation is coming from a window grabbing capture
// (such as Drag and Drop) do not clear the property.
if (MS.Win32.SafeNativeMethods.GetCapture() == IntPtr.Zero)
{
LastMouseOverWithToolTip = null;
}
}
}
}
}
}
}
else if (e.StagingItem.Input.RoutedEvent == Keyboard.KeyDownEvent)
{
ProcessKeyDown(sender, (KeyEventArgs)e.StagingItem.Input);
}
else if (e.StagingItem.Input.RoutedEvent == Keyboard.KeyUpEvent)
{
ProcessKeyUp(sender, (KeyEventArgs)e.StagingItem.Input);
}
else if (e.StagingItem.Input.RoutedEvent == Mouse.MouseUpEvent)
{
ProcessMouseUp(sender, (MouseButtonEventArgs)e.StagingItem.Input);
}
else if (e.StagingItem.Input.RoutedEvent == Mouse.MouseDownEvent)
{
RaiseToolTipClosingEvent(true /* reset */);
}
}
/// <summary>
/// Used in order to allow StylusPlugins to affect mouse inputs as well as touch.
/// </summary>
internal static void InvokePlugInsForMouse(ProcessInputEventArgs e)
{
if (!e.StagingItem.Input.Handled)
{
// if we see a preview mouse event that is not generated by a stylus
// then send on to plugin
if ((e.StagingItem.Input.RoutedEvent != Mouse.PreviewMouseDownEvent) &&
(e.StagingItem.Input.RoutedEvent != Mouse.PreviewMouseUpEvent) &&
(e.StagingItem.Input.RoutedEvent != Mouse.PreviewMouseMoveEvent) &&
(e.StagingItem.Input.RoutedEvent != InputManager.InputReportEvent))
{
return;
}
// record the mouse capture for later reference..
MouseDevice mouseDevice;
PresentationSource source;
bool leftButtonDown;
bool rightButtonDown;
RawStylusActions stylusActions = RawStylusActions.None;
int timestamp;
// See if we need to deal sending a leave due to this PresentationSource being Deactivated
// If not then we just return and do nothing.
if (e.StagingItem.Input.RoutedEvent == InputManager.InputReportEvent)
{
if (_activeMousePlugInCollection?.Element == null)
{
return;
}
InputReportEventArgs input = e.StagingItem.Input as InputReportEventArgs;
if (input.Report.Type != InputType.Mouse)
{
return;
}
RawMouseInputReport mouseInputReport = (RawMouseInputReport)input.Report;
if ((mouseInputReport.Actions & RawMouseActions.Deactivate) != RawMouseActions.Deactivate)
{
return;
}
mouseDevice = InputManager.UnsecureCurrent.PrimaryMouseDevice;
// Mouse set directly over to null when truly deactivating.
if (mouseDevice == null || mouseDevice.DirectlyOver != null)
{
return;
}
leftButtonDown = mouseDevice.LeftButton == MouseButtonState.Pressed;
rightButtonDown = mouseDevice.RightButton == MouseButtonState.Pressed;
timestamp = mouseInputReport.Timestamp;
// Get presentationsource from element.
source = PresentationSource.CriticalFromVisual(_activeMousePlugInCollection.Element as Visual);
}
else
{
MouseEventArgs mouseEventArgs = e.StagingItem.Input as MouseEventArgs;
mouseDevice = mouseEventArgs.MouseDevice;
leftButtonDown = mouseDevice.LeftButton == MouseButtonState.Pressed;
rightButtonDown = mouseDevice.RightButton == MouseButtonState.Pressed;
// Only look at mouse input reports that truly come from a mouse (and is not an up or deactivate) and it
// must be pressed state if a move (we don't fire stylus inair moves currently)
if (mouseEventArgs.StylusDevice != null &&
e.StagingItem.Input.RoutedEvent != Mouse.PreviewMouseUpEvent)
{
return;
}
if (e.StagingItem.Input.RoutedEvent == Mouse.PreviewMouseMoveEvent)
{
if (!leftButtonDown)
{
return;
}
stylusActions = RawStylusActions.Move;
}
if (e.StagingItem.Input.RoutedEvent == Mouse.PreviewMouseDownEvent)
{
MouseButtonEventArgs mouseButtonEventArgs = mouseEventArgs as MouseButtonEventArgs;
if (mouseButtonEventArgs.ChangedButton != MouseButton.Left)
{
return;
}
stylusActions = RawStylusActions.Down;
}
if (e.StagingItem.Input.RoutedEvent == Mouse.PreviewMouseUpEvent)
{
MouseButtonEventArgs mouseButtonEventArgs = mouseEventArgs as MouseButtonEventArgs;
if (mouseButtonEventArgs.ChangedButton != MouseButton.Left)
{
return;
}
stylusActions = RawStylusActions.Up;
}
timestamp = mouseEventArgs.Timestamp;
Visual directlyOverVisual = mouseDevice.DirectlyOver as Visual;
if (directlyOverVisual == null)
{
return;
}
//
// Take the presentation source which is associated to the directly over element.
source = PresentationSource.CriticalFromVisual(directlyOverVisual);
}
if ((source != null) &&
(source.CompositionTarget != null) &&
!source.CompositionTarget.IsDisposed)
{
IInputElement directlyOver = mouseDevice.DirectlyOver;
int packetStatus = (leftButtonDown ? 1 : 0) | (rightButtonDown ? 9 : 0); // pen tip down == 1, barrel = 8
Point ptClient = mouseDevice.GetPosition(source.RootVisual as IInputElement);
ptClient = source.CompositionTarget.TransformToDevice.Transform(ptClient);
int buttons = (leftButtonDown ? 1 : 0) | (rightButtonDown ? 3 : 0);
int[] data = { (int)ptClient.X, (int)ptClient.Y, packetStatus, buttons };
RawStylusInputReport inputReport = new RawStylusInputReport(
InputMode.Foreground,
timestamp,
source,
stylusActions,
() => { return(MousePointDescription); },
0, 0,
data);
PointerStylusPlugInManager manager =
StylusLogic.GetCurrentStylusLogicAs <PointerLogic>()?.GetManagerForSource(source);
// Avoid re-entrancy due to lock() being used.
using (Dispatcher.CurrentDispatcher.DisableProcessing())
{
// Call plugins (does enter/leave and FireCustomData as well)
_activeMousePlugInCollection = manager?.InvokeStylusPluginCollectionForMouse(inputReport, directlyOver, _activeMousePlugInCollection);
}
}
}
}
