void _dispatch(PointerEvent evt, PointerRoute route, Matrix4 transform)
{
try {
evt = evt.transformed(transform);
route(evt);
}
catch (Exception ex) {
D.logError("Error while routing a pointer event: ", ex);
}
}
public void dispatchEvent(PointerEvent evt, HitTestResult hitTestResult)
{
if (hitTestResult == null)
{
D.assert(evt is PointerHoverEvent ||
evt is PointerAddedEvent ||
evt is PointerRemovedEvent ||
evt is PointerDragFromEditorHoverEvent ||
evt is PointerDragFromEditorReleaseEvent
);
try {
pointerRouter.route(evt);
}
catch (Exception ex) {
IEnumerable <DiagnosticsNode> infoCollector()
{
yield return(new DiagnosticsProperty <PointerEvent>("Event", evt, style: DiagnosticsTreeStyle.errorProperty));
}
UIWidgetsError.reportError(new UIWidgetsErrorDetails(
exception: ex,
library: "gesture library",
context: new ErrorDescription("while dispatching a non-hit-tested pointer event"),
informationCollector: infoCollector
)
);
}
return;
}
foreach (HitTestEntry entry in hitTestResult.path)
{
try {
entry.target.handleEvent(evt.transformed(entry.transform), entry);
}
catch (Exception ex) {
D.logError("Error while dispatching a pointer event: ", ex);
}
}
}
public void dispatchEvent(PointerEvent evt, HitTestResult hitTestResult)
{
if (hitTestResult == null)
{
D.assert(evt is PointerHoverEvent ||
evt is PointerAddedEvent ||
evt is PointerRemovedEvent ||
evt is PointerDragFromEditorHoverEvent ||
evt is PointerDragFromEditorReleaseEvent
);
try {
this.pointerRouter.route(evt);
}
catch (Exception ex) {
UIWidgetsError.reportError(new UIWidgetsErrorDetails(
exception: ex,
library: "gesture library",
context: "while dispatching a non-hit-tested pointer event",
informationCollector: information => {
information.AppendLine("Event: ");
information.AppendFormat(" {0}", evt);
}
)
);
}
return;
}
foreach (HitTestEntry entry in hitTestResult.path)
{
try {
entry.target.handleEvent(evt.transformed(entry.transform), entry);
}
catch (Exception ex) {
D.logError("Error while dispatching a pointer event: ", ex);
}
}
}