internal void AddStylusPlugInCollection(StylusPlugInCollection pic)
{
// must be called from inside of lock(__rtiLock)
// insert in ZOrder
_plugInCollectionList.Insert(FindZOrderIndex(pic), pic);
}
internal StylusPlugInCollection InvokeStylusPluginCollectionForMouse(RawStylusInputReport inputReport, IInputElement directlyOver, StylusPlugInCollection currentPlugInCollection)
{
StylusPlugInCollection newPlugInCollection = null;
// lock to make sure only one event is processed at a time and no changes to state can
// be made until we finish routing this event.
lock (__rtiLock)
{
//Debug.Assert(inputReport.Actions == RawStylusActions.Down ||
// inputReport.Actions == RawStylusActions.Up ||
// inputReport.Actions == RawStylusActions.Move);
// Find new target plugin collection
if (directlyOver != null)
{
UIElement uiElement = InputElement.GetContainingUIElement(directlyOver as DependencyObject) as UIElement;
if (uiElement != null)
{
newPlugInCollection = FindPlugInCollection(uiElement);
}
}
// Fire Leave event to old pluginCollection if we need to.
if (currentPlugInCollection != null && currentPlugInCollection != newPlugInCollection)
{
// NOTE: input report points for mouse are in avalon measured units and not device!
RawStylusInput tempRawStylusInput = new RawStylusInput(inputReport, currentPlugInCollection.ViewToElement, currentPlugInCollection);
currentPlugInCollection.FireEnterLeave(false, tempRawStylusInput, true);
// Indicate we've used a stylus plugin
_stylusLogic.Statistics.FeaturesUsed |= Tracing.StylusTraceLogger.FeatureFlags.StylusPluginsUsed;
}
if (newPlugInCollection != null)
{
// NOTE: input report points for mouse are in avalon measured units and not device!
RawStylusInput rawStylusInput = new RawStylusInput(inputReport, newPlugInCollection.ViewToElement, newPlugInCollection);
inputReport.RawStylusInput = rawStylusInput;
if (newPlugInCollection != currentPlugInCollection)
{
newPlugInCollection.FireEnterLeave(true, rawStylusInput, true);
}
// We are on the pen thread, just call directly.
newPlugInCollection.FireRawStylusInput(rawStylusInput);
// Indicate we've used a stylus plugin
_stylusLogic.Statistics.FeaturesUsed |= Tracing.StylusTraceLogger.FeatureFlags.StylusPluginsUsed;
// Fire custom data events (always confirmed for mouse)
foreach (RawStylusInputCustomData customData in rawStylusInput.CustomDataList)
{
customData.Owner.FireCustomData(customData.Data, inputReport.Actions, true);
}
}
}
return(newPlugInCollection);
}
/// <summary>
/// </summary>
internal StylusPlugInCollection InvokeStylusPluginCollectionForMouse(RawStylusInputReport inputReport, IInputElement directlyOver, StylusPlugInCollection currentPlugInCollection)
{
StylusPlugInCollection newPlugInCollection = null;
// Find new target plugin collection
if (directlyOver != null)
{
UIElement uiElement = InputElement.GetContainingUIElement(directlyOver as DependencyObject) as UIElement;
if (uiElement != null)
{
newPlugInCollection = FindPlugInCollection(uiElement);
}
}
// Fire Leave event to old pluginCollection if we need to.
if (currentPlugInCollection != null && currentPlugInCollection != newPlugInCollection)
{
// NOTE: input report points for mouse are in avalon measured units and not device!
RawStylusInput tempRawStylusInput = new RawStylusInput(inputReport, currentPlugInCollection.ViewToElement, currentPlugInCollection);
currentPlugInCollection.FireEnterLeave(false, tempRawStylusInput, true);
// Indicate we've used a stylus plugin
StylusLogic.CurrentStylusLogic.Statistics.FeaturesUsed |= Tracing.StylusTraceLogger.FeatureFlags.StylusPluginsUsed;
}
if (newPlugInCollection != null)
{
// NOTE: input report points for mouse are in avalon measured units and not device!
RawStylusInput rawStylusInput = new RawStylusInput(inputReport, newPlugInCollection.ViewToElement, newPlugInCollection);
inputReport.RawStylusInput = rawStylusInput;
if (newPlugInCollection != currentPlugInCollection)
{
newPlugInCollection.FireEnterLeave(true, rawStylusInput, true);
}
// (Comment not applicable until RTI back in) We are on the RTI thread, just call directly.
newPlugInCollection.FireRawStylusInput(rawStylusInput);
// Indicate we've used a stylus plugin
StylusLogic.CurrentStylusLogic.Statistics.FeaturesUsed |= Tracing.StylusTraceLogger.FeatureFlags.StylusPluginsUsed;
// Fire custom data events (always confirmed for mouse)
foreach (RawStylusInputCustomData customData in rawStylusInput.CustomDataList)
{
customData.Owner.FireCustomData(customData.Data, inputReport.Actions, true);
}
}
return(newPlugInCollection);
}
internal StylusPlugInCollection TargetPlugInCollection(RawStylusInputReport inputReport)
{
// Caller must make call to this routine inside of lock(__rtiLock)!
StylusPlugInCollection pic = null;
// We should only be called when not on the application thread!
System.Diagnostics.Debug.Assert(!inputReport.StylusDevice.CheckAccess());
WispStylusDevice stylusDevice = inputReport.StylusDevice.As <WispStylusDevice>();
// We're on the pen thread so can't touch visual tree. Use capturedPlugIn (if capture on) or cached rects.
bool elementHasCapture = false;
pic = stylusDevice.GetCapturedPlugInCollection(ref elementHasCapture);
int pointLength = inputReport.PenContext.StylusPointDescription.GetInputArrayLengthPerPoint();
// Make sure that the captured Plugin Collection is still in the list. CaptureChanges are
// deferred so there is a window where the stylus device is not updated yet. This protects us
// from using a bogus plugin collecton for an element that is in an invalid state.
if (elementHasCapture && !_plugInCollectionList.Contains(pic))
{
elementHasCapture = false; // force true hittesting to be done!
}
if (!elementHasCapture && inputReport.Data != null && inputReport.Data.Length >= pointLength)
{
int[] data = inputReport.Data;
System.Diagnostics.Debug.Assert(data.Length % pointLength == 0);
Point ptTablet = new Point(data[data.Length - pointLength], data[data.Length - pointLength + 1]);
// Note: the StylusLogic data inside DeviceUnitsFromMeasurUnits is protected by __rtiLock.
ptTablet = ptTablet * stylusDevice.TabletDevice.TabletDeviceImpl.TabletToScreen;
ptTablet.X = (int)Math.Round(ptTablet.X); // Make sure we snap to whole window pixels.
ptTablet.Y = (int)Math.Round(ptTablet.Y);
ptTablet = _stylusLogic.MeasureUnitsFromDeviceUnits(ptTablet); // change to measured units now.
pic = HittestPlugInCollection(ptTablet); // Use cached rectangles for UIElements.
}
return(pic);
}
/// <summary>
/// Target a plugin collection that either has capture or passes a hit test.
/// raw input.
/// </summary>
/// <param name="inputReport">The raw input to process</param>
/// <returns>The appropriate collection target</returns>
internal StylusPlugInCollection TargetPlugInCollection(RawStylusInputReport inputReport)
{
StylusPlugInCollection pic = null;
PointerStylusDevice stylusDevice = inputReport.StylusDevice.As <PointerStylusDevice>();
bool elementHasCapture = false;
pic = stylusDevice.GetCapturedPlugInCollection(ref elementHasCapture);
int pointLength = inputReport.StylusPointDescription.GetInputArrayLengthPerPoint();
// Make sure that the captured Plugin Collection is still in the list. CaptureChanges are
// deferred so there is a window where the stylus device is not updated yet. This protects us
// from using a bogus plugin collecton for an element that is in an invalid state.
if (elementHasCapture && !_plugInCollectionList.Contains(pic))
{
elementHasCapture = false; // force true hittesting to be done!
}
if (!elementHasCapture && inputReport.Data != null && inputReport.Data.Length >= pointLength)
{
int[] data = inputReport.Data;
System.Diagnostics.Debug.Assert(data.Length % pointLength == 0);
Point ptTablet = new Point(data[data.Length - pointLength], data[data.Length - pointLength + 1]);
// Note: the StylusLogic data inside DeviceUnitsFromMeasurUnits is protected by __rtiLock.
ptTablet = ptTablet * stylusDevice.TabletDevice.TabletDeviceImpl.TabletToScreen;
ptTablet.X = (int)Math.Round(ptTablet.X); // Make sure we snap to whole window pixels.
ptTablet.Y = (int)Math.Round(ptTablet.Y);
ptTablet *= inputReport.InputSource.CompositionTarget.TransformFromDevice; // change to measured units now.
pic = HittestPlugInCollection(ptTablet); // Use cached rectangles for UIElements.
}
return(pic);
}
/////////////////////////////////////////////////////////////////////
/// <summary>
/// [TBS]
/// </summary>
/// <param name="report">[TBS]</param>
/// <param name="tabletToElementTransform">[TBS]</param>
/// <param name="targetPlugInCollection">[TBS]</param>
internal RawStylusInput(
RawStylusInputReport report,
GeneralTransform tabletToElementTransform,
StylusPlugInCollection targetPlugInCollection)
{
if (report == null)
{
throw new ArgumentNullException("report");
}
if (tabletToElementTransform.Inverse == null)
{
throw new ArgumentException(SR.Get(SRID.Stylus_MatrixNotInvertable), "tabletToElementTransform");
}
if (targetPlugInCollection == null)
{
throw new ArgumentNullException("targetPlugInCollection");
}
// We should always see this GeneralTransform is frozen since we access this from multiple threads.
System.Diagnostics.Debug.Assert(tabletToElementTransform.IsFrozen);
_report = report;
_tabletToElementTransform = tabletToElementTransform;
_targetPlugInCollection = targetPlugInCollection;
}
internal void RemoveStylusPlugInCollection(StylusPlugInCollection pic)
{
// must be called from inside of lock(__rtiLock)
_plugInCollectionList.Remove(pic);
}
internal void InvokeStylusPluginCollection(RawStylusInputReport inputReport)
{
// Find PenContexts object for this inputReport.
StylusPlugInCollection pic = null;
// lock to make sure only one event is processed at a time and no changes to state can
// be made until we finish routing this event.
lock (__rtiLock)
{
switch (inputReport.Actions)
{
case RawStylusActions.Down:
case RawStylusActions.Move:
case RawStylusActions.Up:
// Figure out current target plugincollection.
pic = TargetPlugInCollection(inputReport);
break;
default:
return; // Nothing to do unless one of the above events
}
WispStylusDevice stylusDevice = inputReport.StylusDevice.As <WispStylusDevice>();
StylusPlugInCollection currentPic = stylusDevice.CurrentNonVerifiedTarget;
// Fire Leave event if we need to.
if (currentPic != null && currentPic != pic)
{
// Create new RawStylusInput to send
GeneralTransformGroup transformTabletToView = new GeneralTransformGroup();
transformTabletToView.Children.Add(new MatrixTransform(_stylusLogic.GetTabletToViewTransform(stylusDevice.TabletDevice))); // this gives matrix in measured units (not device)
transformTabletToView.Children.Add(currentPic.ViewToElement); // Make it relative to the element.
transformTabletToView.Freeze(); // Must be frozen for multi-threaded access.
RawStylusInput tempRawStylusInput = new RawStylusInput(inputReport, transformTabletToView, currentPic);
currentPic.FireEnterLeave(false, tempRawStylusInput, false);
// Indicate we've used a stylus plugin
_stylusLogic.Statistics.FeaturesUsed |= Tracing.StylusTraceLogger.FeatureFlags.StylusPluginsUsed;
stylusDevice.CurrentNonVerifiedTarget = null;
}
if (pic != null)
{
// NOTE: PenContext info will not change (it gets rebuilt instead so keeping ref is fine)
// The transformTabletToView matrix and plugincollection rects though can change based
// off of layout events which is why we need to lock this.
GeneralTransformGroup transformTabletToView = new GeneralTransformGroup();
transformTabletToView.Children.Add(new MatrixTransform(_stylusLogic.GetTabletToViewTransform(stylusDevice.TabletDevice))); // this gives matrix in measured units (not device)
transformTabletToView.Children.Add(pic.ViewToElement); // Make it relative to the element.
transformTabletToView.Freeze(); // Must be frozen for multi-threaded access.
RawStylusInput rawStylusInput = new RawStylusInput(inputReport, transformTabletToView, pic);
inputReport.RawStylusInput = rawStylusInput;
if (pic != currentPic)
{
stylusDevice.CurrentNonVerifiedTarget = pic;
pic.FireEnterLeave(true, rawStylusInput, false);
}
// We are on the pen thread, just call directly.
pic.FireRawStylusInput(rawStylusInput);
// Indicate we've used a stylus plugin
_stylusLogic.Statistics.FeaturesUsed |= Tracing.StylusTraceLogger.FeatureFlags.StylusPluginsUsed;
}
} // lock(__rtiLock)
}
/// <summary>
/// Adds a plugin collection in the Z order that its owning element appears graphically
/// </summary>
/// <param name="pic"></param>
internal void AddStylusPlugInCollection(StylusPlugInCollection pic)
{
// insert in ZOrder
_plugInCollectionList.Insert(FindZOrderIndex(pic), pic);
}
internal int FindZOrderIndex(StylusPlugInCollection spicAdding)
{
//should be called inside of lock(__rtiLock)
DependencyObject spicAddingVisual = spicAdding.Element as Visual;
int i;
for (i = 0; i < _plugInCollectionList.Count; i++)
{
// first see if parent of node, if it is then we can just scan till we find the
// first non parent and we're done
DependencyObject curV = _plugInCollectionList[i].Element as Visual;
if (VisualTreeHelper.IsAncestorOf(spicAddingVisual, curV))
{
i++;
while (i < _plugInCollectionList.Count)
{
curV = _plugInCollectionList[i].Element as Visual;
if (!VisualTreeHelper.IsAncestorOf(spicAddingVisual, curV))
{
break; // done
}
i++;
}
return(i);
}
else
{
// Look to see if spicAddingVisual is higher in ZOrder than i, if so then we're done
DependencyObject commonParent = VisualTreeHelper.FindCommonAncestor(spicAddingVisual, curV);
// If no common parent found then we must have multiple plugincollection elements
// that have been removed from the visual tree and we haven't been notified yet of
// that change. In this case just ignore this plugincollection element and go to
// the next.
if (commonParent == null)
{
continue;
}
// If curV is the commonParent we find then we're done. This new plugin should be
// above this one.
if (curV == commonParent)
{
return(i);
}
// now find first child for each under that common visual that these fall under (not they must be different or common parent is sort of busted.
while (VisualTreeHelper.GetParentInternal(spicAddingVisual) != commonParent)
{
spicAddingVisual = VisualTreeHelper.GetParentInternal(spicAddingVisual);
}
while (VisualTreeHelper.GetParentInternal(curV) != commonParent)
{
curV = VisualTreeHelper.GetParentInternal(curV);
}
// now see which is higher in zorder
int count = VisualTreeHelper.GetChildrenCount(commonParent);
for (int j = 0; j < count; j++)
{
DependencyObject child = VisualTreeHelper.GetChild(commonParent, j);
if (child == spicAddingVisual)
{
return(i);
}
else if (child == curV)
{
break; // look at next index in _piList.
}
}
}
}
return(i); // this wasn't higher so return last index.
}
internal void RemoveStylusPlugInCollection(StylusPlugInCollection pic)
{
// must be called from inside of lock(__rtiLock)
_plugInCollectionList.Remove(pic);
}
internal void RemoveStylusPlugInCollection(StylusPlugInCollection pic)
{
_plugInCollectionList.Remove(pic);
}
internal StylusPlugInCollection InvokeStylusPluginCollectionForMouse(RawStylusInputReport inputReport, IInputElement directlyOver, StylusPlugInCollection currentPlugInCollection)
{
StylusPlugInCollection newPlugInCollection = null;
// lock to make sure only one event is processed at a time and no changes to state can
// be made until we finish routing this event.
lock(__rtiLock)
{
//Debug.Assert(inputReport.Actions == RawStylusActions.Down ||
// inputReport.Actions == RawStylusActions.Up ||
// inputReport.Actions == RawStylusActions.Move);
// Find new target plugin collection
if (directlyOver != null)
{
UIElement uiElement = InputElement.GetContainingUIElement(directlyOver as DependencyObject) as UIElement;
if (uiElement != null)
{
newPlugInCollection = FindPlugInCollection(uiElement);
}
}
// Fire Leave event to old pluginCollection if we need to.
if (currentPlugInCollection != null && currentPlugInCollection != newPlugInCollection)
{
// NOTE: input report points for mouse are in avalon measured units and not device!
RawStylusInput tempRawStylusInput = new RawStylusInput(inputReport, currentPlugInCollection.ViewToElement, currentPlugInCollection);
currentPlugInCollection.FireEnterLeave(false, tempRawStylusInput, true);
}
if (newPlugInCollection != null)
{
// NOTE: input report points for mouse are in avalon measured units and not device!
RawStylusInput rawStylusInput = new RawStylusInput(inputReport, newPlugInCollection.ViewToElement, newPlugInCollection);
inputReport.RawStylusInput = rawStylusInput;
if (newPlugInCollection != currentPlugInCollection)
{
newPlugInCollection.FireEnterLeave(true, rawStylusInput, true);
}
// We are on the pen thread, just call directly.
newPlugInCollection.FireRawStylusInput(rawStylusInput);
// Fire custom data events (always confirmed for mouse)
foreach (RawStylusInputCustomData customData in rawStylusInput.CustomDataList)
{
customData.Owner.FireCustomData(customData.Data, inputReport.Actions, true);
}
}
}
return newPlugInCollection;
}
internal int FindZOrderIndex(StylusPlugInCollection spicAdding)
{
//should be called inside of lock(__rtiLock)
DependencyObject spicAddingVisual = spicAdding.Element as Visual;
int i;
for (i=0; i < _plugInCollectionList.Count; i++)
{
// first see if parent of node, if it is then we can just scan till we find the
// first non parent and we're done
DependencyObject curV = _plugInCollectionList[i].Element as Visual;
if (VisualTreeHelper.IsAncestorOf(spicAddingVisual, curV))
{
i++;
while (i < _plugInCollectionList.Count)
{
curV = _plugInCollectionList[i].Element as Visual;
if (!VisualTreeHelper.IsAncestorOf(spicAddingVisual, curV))
break; // done
i++;
}
return i;
}
else
{
// Look to see if spicAddingVisual is higher in ZOrder than i, if so then we're done
DependencyObject commonParent = VisualTreeHelper.FindCommonAncestor(spicAddingVisual, curV);
// If no common parent found then we must have multiple plugincollection elements
// that have been removed from the visual tree and we haven't been notified yet of
// that change. In this case just ignore this plugincollection element and go to
// the next.
if (commonParent == null)
continue;
// If curV is the commonParent we find then we're done. This new plugin should be
// above this one.
if (curV == commonParent)
return i;
// now find first child for each under that common visual that these fall under (not they must be different or common parent is sort of busted.
while (VisualTreeHelper.GetParentInternal(spicAddingVisual) != commonParent)
spicAddingVisual = VisualTreeHelper.GetParentInternal(spicAddingVisual);
while (VisualTreeHelper.GetParentInternal(curV) != commonParent)
curV = VisualTreeHelper.GetParentInternal(curV);
// now see which is higher in zorder
int count = VisualTreeHelper.GetChildrenCount(commonParent);
for (int j = 0; j < count; j++)
{
DependencyObject child = VisualTreeHelper.GetChild(commonParent, j);
if (child == spicAddingVisual)
return i;
else if (child == curV)
break; // look at next index in _piList.
}
}
}
return i; // this wasn't higher so return last index.
}
/// <summary>
/// Verifies that the call to the stylus plugin on the RTI thread was valid against the current visual tree.
/// If this verification fails, we will rebuild and resend the raw input and custom data in order to inform
/// the target collections of the error and fix it.
/// </summary>
/// <remarks>
/// This is a remnant of verifying hits to the collections based on the UI thread calling this
/// after the real time input thread has previously called a collection. This is due to the RTI thread
/// not being 100% synchronous with the visual tree in terms of hitting the collections. This is sort of
/// redundant right now, but needs to be here when we re-implement the RTI.
/// </remarks>
internal void VerifyStylusPlugInCollectionTarget(RawStylusInputReport rawStylusInputReport)
{
switch (rawStylusInputReport.Actions)
{
case RawStylusActions.Down:
case RawStylusActions.Move:
case RawStylusActions.Up:
break;
default:
return; // do nothing if not Down, Move or Up.
}
PointerLogic pointerLogic = StylusLogic.GetCurrentStylusLogicAs <PointerLogic>();
RawStylusInput originalRSI = rawStylusInputReport.RawStylusInput;
// See if we have a plugin for the target of this input.
StylusPlugInCollection targetPIC = null;
StylusPlugInCollection targetRtiPIC = (originalRSI != null) ? originalRSI.Target : null;
bool updateEventPoints = false;
// Make sure we use UIElement for target if non NULL and hit ContentElement.
UIElement newTarget = InputElement.GetContainingUIElement(rawStylusInputReport.StylusDevice.DirectlyOver as DependencyObject) as UIElement;
if (newTarget != null)
{
targetPIC = FindPlugInCollection(newTarget);
}
// Make sure any lock() calls do not reenter on us.
using (Dispatcher.CurrentDispatcher.DisableProcessing())
{
// See if we hit the wrong PlugInCollection on the pen thread and clean things up if we did.
if (targetRtiPIC != null && targetRtiPIC != targetPIC && originalRSI != null)
{
// Fire custom data not confirmed events for both pre and post since bad target...
foreach (RawStylusInputCustomData customData in originalRSI.CustomDataList)
{
customData.Owner.FireCustomData(customData.Data, rawStylusInputReport.Actions, false);
}
updateEventPoints = originalRSI.StylusPointsModified;
// Clear RawStylusInput data.
rawStylusInputReport.RawStylusInput = null;
}
// See if we need to build up an RSI to send to the plugincollection (due to a mistarget).
bool sendRawStylusInput = false;
if (targetPIC != null && rawStylusInputReport.RawStylusInput == null)
{
// NOTE: (This applies when RTI is back in) Info will not change (it gets rebuilt instead so keeping ref is fine)
// The transformTabletToView matrix and plugincollection rects though can change based
// off of layout events which is why we need to lock this.
GeneralTransformGroup transformTabletToView = new GeneralTransformGroup();
transformTabletToView.Children.Add(rawStylusInputReport.StylusDevice.As <PointerStylusDevice>().GetTabletToElementTransform(null)); // this gives matrix in measured units (not device)
transformTabletToView.Children.Add(targetPIC.ViewToElement); // Make it relative to the element.
transformTabletToView.Freeze(); // Must be frozen for multi-threaded access.
RawStylusInput rawStylusInput = new RawStylusInput(rawStylusInputReport, transformTabletToView, targetPIC);
rawStylusInputReport.RawStylusInput = rawStylusInput;
sendRawStylusInput = true;
}
PointerStylusDevice stylusDevice = rawStylusInputReport.StylusDevice.As <PointerStylusDevice>();
// Now fire the confirmed enter/leave events as necessary.
StylusPlugInCollection currentTarget = stylusDevice.CurrentVerifiedTarget;
if (targetPIC != currentTarget)
{
if (currentTarget != null)
{
// Fire leave event. If we never had a plugin for this event then create a temp one.
if (originalRSI == null)
{
GeneralTransformGroup transformTabletToView = new GeneralTransformGroup();
transformTabletToView.Children.Add(stylusDevice.GetTabletToElementTransform(null)); // this gives matrix in measured units (not device)
transformTabletToView.Children.Add(currentTarget.ViewToElement); // Make it relative to the element.
transformTabletToView.Freeze(); // Must be frozen for multi-threaded access.
originalRSI = new RawStylusInput(rawStylusInputReport, transformTabletToView, currentTarget);
}
currentTarget.FireEnterLeave(false, originalRSI, true);
}
if (targetPIC != null)
{
// Fire Enter event
targetPIC.FireEnterLeave(true, rawStylusInputReport.RawStylusInput, true);
// Indicate we've used a stylus plugin
pointerLogic.Statistics.FeaturesUsed |= Tracing.StylusTraceLogger.FeatureFlags.StylusPluginsUsed;
}
// Update the verified target.
stylusDevice.CurrentVerifiedTarget = targetPIC;
}
// Now fire RawStylusInput if needed to the right plugincollection.
if (sendRawStylusInput)
{
// We are on the pen thread, just call directly.
targetPIC.FireRawStylusInput(rawStylusInputReport.RawStylusInput);
updateEventPoints = (updateEventPoints || rawStylusInputReport.RawStylusInput.StylusPointsModified);
// Indicate we've used a stylus plugin
pointerLogic.Statistics.FeaturesUsed |= Tracing.StylusTraceLogger.FeatureFlags.StylusPluginsUsed;
}
// Now fire PrePreviewCustomData events.
if (targetPIC != null)
{
// Send custom data pre event
foreach (RawStylusInputCustomData customData in rawStylusInputReport.RawStylusInput.CustomDataList)
{
customData.Owner.FireCustomData(customData.Data, rawStylusInputReport.Actions, true);
}
}
// VerifyRawTarget might resend to correct plugins or may have hit the wrong plugincollection. The StylusPackets
// may be overriden in those plugins so we need to call UpdateEventStylusPoints to update things.
if (updateEventPoints)
{
rawStylusInputReport.StylusDevice.As <PointerStylusDevice>().UpdateEventStylusPoints(rawStylusInputReport, true);
}
}
}
internal void AddStylusPlugInCollection(StylusPlugInCollection pic)
{
// must be called from inside of lock(__rtiLock)
// insert in ZOrder
_plugInCollectionList.Insert(FindZOrderIndex(pic), pic);
}
internal void ChangeStylusCapture(IInputElement stylusCapture, CaptureMode captureMode, int timestamp)
{
// if the capture changed...
if (stylusCapture != _stylusCapture)
{
// Actually change the capture first. Invalidate the properties,
// and then send the events.
IInputElement oldStylusCapture = _stylusCapture;
_stylusCapture = stylusCapture;
_captureMode = captureMode;
// We also need to figure out ahead of time if any plugincollections on this captured element (or a parent)
// for the penthread hittesting code.
_stylusCapturePlugInCollection = null;
if (stylusCapture != null)
{
UIElement uiElement = InputElement.GetContainingUIElement(stylusCapture as DependencyObject) as UIElement;
if (uiElement != null)
{
PresentationSource source = PresentationSource.CriticalFromVisual(uiElement as Visual);
if (source != null)
{
PointerStylusPlugInManager manager;
if (_pointerLogic.PlugInManagers.TryGetValue(source, out manager))
{
_stylusCapturePlugInCollection = manager.FindPlugInCollection(uiElement);
}
}
}
}
_pointerLogic.UpdateStylusCapture(this, oldStylusCapture, _stylusCapture, timestamp);
// Send the LostStylusCapture and GotStylusCapture events.
if (oldStylusCapture != null)
{
StylusEventArgs lostCapture = new StylusEventArgs(StylusDevice, timestamp);
lostCapture.RoutedEvent = Stylus.LostStylusCaptureEvent;
lostCapture.Source = oldStylusCapture;
InputManager.UnsecureCurrent.ProcessInput(lostCapture);
}
if (_stylusCapture != null)
{
StylusEventArgs gotCapture = new StylusEventArgs(StylusDevice, timestamp);
gotCapture.RoutedEvent = Stylus.GotStylusCaptureEvent;
gotCapture.Source = _stylusCapture;
InputManager.UnsecureCurrent.ProcessInput(gotCapture);
}
// Now update the stylus over state (only if this is the current stylus and
// it is inrange).
if (_pointerLogic.CurrentStylusDevice == this || InRange)
{
if (_stylusCapture != null)
{
IInputElement inputElementHit = _stylusCapture;
// See if we need to update over for subtree mode.
if (CapturedMode == CaptureMode.SubTree && _inputSource != null && _inputSource.Value != null)
{
Point pt = _pointerLogic.DeviceUnitsFromMeasureUnits(GetPosition(null));
inputElementHit = FindTarget(_inputSource.Value, pt);
}
ChangeStylusOver(inputElementHit);
}
else
{
// Only try to update over if we have a valid input source.
if (_inputSource != null && _inputSource.Value != null)
{
Point pt = GetPosition(null); // relative to window (root element)
pt = _pointerLogic.DeviceUnitsFromMeasureUnits(pt); // change back to device coords.
IInputElement currentOver = Input.StylusDevice.GlobalHitTest(_inputSource.Value, pt);
ChangeStylusOver(currentOver);
}
}
}
// For Mouse StylusDevice we want to make sure Mouse capture is set up the same.
if (Mouse.Captured != _stylusCapture || Mouse.CapturedMode != _captureMode)
{
Mouse.Capture(_stylusCapture, _captureMode);
}
}
}
/////////////////////////////////////////////////////////////////////
// (in Dispatcher)
internal void Added(StylusPlugInCollection plugInCollection)
{
_pic = plugInCollection;
OnAdded();
InvalidateIsActiveForInput(); // Make sure we fire OnIsActivateForInputChanged.
}
