private void GridGesture(object sender, StylusSystemGestureEventArgs e)
{
if (e.SystemGesture != SystemGesture.Drag)
return;
Debug.WriteLine("GridGesture event captured.");
var newPoints = e.GetStylusPoints(MainImage);
bool isReverse = false;
if (newPoints.Count > 0 && _downPoints.Count > 0)
{
var distX = newPoints[0].X - _downPoints[0].X;
var distY = newPoints[0].Y - _downPoints[0].Y;
Debug.WriteLine(string.Format("Xoffset: {0}, Yoffset: {1}", distX, distY));
if (Math.Abs(distX) > Math.Abs(distY))
{
isReverse = distX < 0; // Horizontal
}
else
{
return; // Vertical
}
}
if (isReverse)
{
PreviousFile();
}
else
{
NextFile();
}
}
/// <summary>
/// Invoked when an unhandled StylusSystemGesture attached event reaches an element in its route that is derived from this class. Implement this method to add class handling for this event.
/// </summary>
/// <param name="e">
/// The <see cref="T:System.Windows.Input.StylusSystemGestureEventArgs" /> that contains the event data.
/// </param>
protected override void OnStylusSystemGesture(StylusSystemGestureEventArgs e)
{
base.OnStylusSystemGesture(e);
// Debug.WriteLine("OnStylusSystemGesture: " + e.SystemGesture);
if (e.SystemGesture == SystemGesture.HoldEnter)
{
Point p = e.GetPosition(this);
this.changeLookAtHandler.Started(new ManipulationEventArgs(p));
this.changeLookAtHandler.Completed(new ManipulationEventArgs(p));
e.Handled = true;
}
/// DELETED BY SJT FOR .NET 3.5
//if (e.SystemGesture == SystemGesture.TwoFingerTap)
//{
// this.ZoomExtents();
// e.Handled = true;
//}
}
public virtual void OnStylusSystemGesture(object sender, StylusSystemGestureEventArgs e) { }
void BorrowLabelGesture(object sender, StylusSystemGestureEventArgs args) {
if (args.SystemGesture != SystemGesture.Tap) { return; }
RemoveBorrowLabel();
args.Handled = true;
}
/// <summary>
/// Virtual method reporting a stylus system gesture
/// </summary>
protected virtual void OnPreviewStylusSystemGesture(StylusSystemGestureEventArgs e) {}
void ManipulationElement_StylusSystemGesture(object sender, StylusSystemGestureEventArgs e) {
foreach (var m in mouseProcessors) {
if (e.Handled)
break;
m.PreprocessStylusSystemGesture(e);
}
if (!e.Handled)
defaultMouseProcessor.OnStylusSystemGesture(sender, e);
foreach (var m in mouseProcessors)
m.PostprocessStylusSystemGesture(e);
}
private void DragSource_PreviewStylusSystemGesture(object sender, StylusSystemGestureEventArgs e)
{
if (e.SystemGesture == SystemGesture.TwoFingerTap)
{
// cancel drag operation
this.draggedData = null;
_ignoreNextTouchDownEvent = true;
//Console.WriteLine("preview mouse dbl click, cancel");
}
}
public void PreprocessStylusSystemGesture(StylusSystemGestureEventArgs e) { }
void IMouseProcessor2.PostprocessStylusSystemGesture(StylusSystemGestureEventArgs e) => MouseProcessor2?.PostprocessStylusSystemGesture(e);
void PromotePreviewToMain(ProcessInputEventArgs e)
{
if (!e.StagingItem.Input.Handled)
{
RoutedEvent eventMain = GetMainEventFromPreviewEvent(e.StagingItem.Input.RoutedEvent);
if (eventMain != null)
{
StylusEventArgs eventArgsPreview = (StylusEventArgs)e.StagingItem.Input;
StylusDevice stylusDevice = eventArgsPreview.InputReport.StylusDevice;
StylusEventArgs eventArgsMain;
if (eventMain == Stylus.StylusDownEvent ||
eventMain == Stylus.PreviewStylusDownEvent)
{
StylusDownEventArgs downEventArgsPreview = (StylusDownEventArgs)eventArgsPreview;
eventArgsMain = new StylusDownEventArgs(stylusDevice, eventArgsPreview.Timestamp);
}
else if (eventMain == Stylus.StylusButtonDownEvent ||
eventMain == Stylus.StylusButtonUpEvent)
{
StylusButtonEventArgs buttonEventArgsPreview = (StylusButtonEventArgs)eventArgsPreview;
eventArgsMain = new StylusButtonEventArgs(stylusDevice, eventArgsPreview.Timestamp, buttonEventArgsPreview.StylusButton);
}
else if (eventMain != Stylus.StylusSystemGestureEvent)
{
eventArgsMain = new StylusEventArgs(stylusDevice, eventArgsPreview.Timestamp);
}
else
{
StylusSystemGestureEventArgs previewSystemGesture = (StylusSystemGestureEventArgs)eventArgsPreview;
eventArgsMain = new StylusSystemGestureEventArgs(stylusDevice,
previewSystemGesture.Timestamp,
previewSystemGesture.SystemGesture,
previewSystemGesture.GestureX,
previewSystemGesture.GestureY,
previewSystemGesture.ButtonState);
}
eventArgsMain.InputReport = eventArgsPreview.InputReport;
eventArgsMain.RoutedEvent = eventMain;
e.PushInput(eventArgsMain, e.StagingItem);
}
}
else
{
// A TouchDevice is activated before TouchDown and deactivated after TouchUp
// But if PreviewStylusUp event is handled by the user, it will
// never be promoted to TouchUp event leaving the TouchDevice in inconsistent
// active state. Hence deactivating touch device if it is active.
StylusEventArgs stylusEventArgs = e.StagingItem.Input as StylusEventArgs;
if (stylusEventArgs != null &&
stylusEventArgs.RoutedEvent == Stylus.PreviewStylusUpEvent &&
stylusEventArgs.StylusDevice.TouchDevice.IsActive)
{
stylusEventArgs.StylusDevice.TouchDevice.OnDeactivate();
}
}
}
private bool IgnoreGestureToMousePromotion(StylusSystemGestureEventArgs gestureArgs, StylusTouchDevice touchDevice)
{
if (gestureArgs != null && touchDevice.DownHandled)
{
// If touchDevice's down event is already handled
// and if this gesture is a candidate for mouse
// left button down promotion, then such a
// promotion should be ignored.
SystemGesture gesture = gestureArgs.SystemGesture;
if (gesture == SystemGesture.Tap ||
gesture == SystemGesture.Drag)
{
return true;
}
}
return false;
}
void PromoteRawToPreview(RawStylusInputReport report, ProcessInputEventArgs e)
{
RoutedEvent routedEvent = GetPreviewEventFromRawStylusActions(report.Actions);
if (routedEvent != null && report.StylusDevice != null && !report.StylusDevice.IgnoreStroke)
{
StylusEventArgs args;
if (routedEvent != Stylus.PreviewStylusSystemGestureEvent)
{
if (routedEvent == Stylus.PreviewStylusDownEvent)
{
args = new StylusDownEventArgs(report.StylusDevice, report.Timestamp);
}
else
{
args = new StylusEventArgs(report.StylusDevice, report.Timestamp);
}
}
else
{
RawStylusSystemGestureInputReport reportSg = (RawStylusSystemGestureInputReport)report;
args = new StylusSystemGestureEventArgs(report.StylusDevice,
report.Timestamp,
reportSg.SystemGesture,
reportSg.GestureX,
reportSg.GestureY,
reportSg.ButtonState);
}
args.InputReport = report;
args.RoutedEvent= routedEvent;
e.PushInput(args, e.StagingItem);
}
}
void BackgroundGesture(object sender, StylusSystemGestureEventArgs args) {
if (args.SystemGesture != SystemGesture.Tap) { return; }
AnimateOut();
}
void SendLabelGesture(object sender, StylusSystemGestureEventArgs args) {
if (args.SystemGesture != SystemGesture.Tap) { return; }
SendEMail();
args.Handled = true;
}
protected virtual void OnStylusSystemGesture(StylusSystemGestureEventArgs e)
{
throw new NotImplementedException ();
}
private void cProbe_StylusSystemGesture(object sender, StylusSystemGestureEventArgs e)
{
DisplayEvent("StylusSystemGesture", e.ToText());
}
protected virtual void OnStylusSystemGesture(StylusSystemGestureEventArgs e);
void ImageTapped(object sender, StylusSystemGestureEventArgs args) {
if (args.SystemGesture != SystemGesture.Tap) { return; }
var publication = publications[(Image)sender];
RaiseEvent(new PublicationSelectedArgs(
PublicationCanvas.PublicationSelectedEvent, publication));
}
private void DragSource_StylusSystemGesture(object sender, StylusSystemGestureEventArgs e)
{
if (e.SystemGesture == SystemGesture.TwoFingerTap)
{
// cancel drag operation
this.draggedData = null;
//Console.WriteLine("mouse dbl click, cancel");
}
}
protected override void OnStylusSystemGesture(StylusSystemGestureEventArgs e)
{
base.OnStylusSystemGesture(e);
}
/// <summary>
/// Invoked when an unhandled StylusSystemGesture attached event reaches an element in its route that is derived from this class. Implement this method to add class handling for this event.
/// </summary>
/// <param name="e">
/// The <see cref="T:System.Windows.Input.StylusSystemGestureEventArgs"/> that contains the event data.
/// </param>
protected override void OnStylusSystemGesture(StylusSystemGestureEventArgs e)
{
base.OnStylusSystemGesture(e);
// Debug.WriteLine("OnStylusSystemGesture: " + e.SystemGesture);
if (e.SystemGesture == SystemGesture.HoldEnter)
{
var p = e.GetPosition(this);
this.changeLookAtHandler.Started(new ManipulationEventArgs(p));
this.changeLookAtHandler.Completed(new ManipulationEventArgs(p));
e.Handled = true;
}
if (e.SystemGesture == SystemGesture.TwoFingerTap)
{
this.ZoomExtents();
e.Handled = true;
}
}
void invoker_StylusSystemGesture(object sender, StylusSystemGestureEventArgs e)
{
this.OnStylusSystemGesture(e);
}
private static void OnStylusSystemGestureThunk(object sender, StylusSystemGestureEventArgs e)
{
Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");
UIElement uie = sender as UIElement;
if (uie != null)
{
uie.OnStylusSystemGesture(e);
}
else
{
ContentElement ce = sender as ContentElement;
if (ce != null)
{
ce.OnStylusSystemGesture(e);
}
else
{
((UIElement3D)sender).OnStylusSystemGesture(e);
}
}
}
/// <summary>
/// Stylus system gesture postprocess handler
/// </summary>
/// <param name="e">Event args</param>
public virtual void PostprocessStylusSystemGesture(StylusSystemGestureEventArgs e) { }
/// <summary>
/// Virtual method reporting a stylus system gesture
/// </summary>
protected internal virtual void OnStylusSystemGesture(StylusSystemGestureEventArgs e) {}
private void OnStylusSystemGestureEventArgs(object sender, StylusSystemGestureEventArgs e)
{
if (!IsSampling(sender))
{
return;
}
_itw.WriteLine(".RaiseStylusSystemGestureEvent({0})", e.RoutedEvent.OwnerType.Name + "." + e.RoutedEvent.Name + "Event");
CodeBox.Text = _sw.ToString();
}
