implemented gestures support in graphicsview for QGraphicsItems and

QGraphicsProxyWidgets.

This is still work-in-progress.

1 files changed, 15 insertions, 1 deletions

diff --git a/src/gui/graphicsview/qgraphicsproxywidget.cpp b/src/gui/graphicsview/qgraphicsproxywidget.cpp
index 01b7593..2d7490c 100644
--- a/src/gui/graphicsview/qgraphicsproxywidget.cpp
+++ b/src/gui/graphicsview/qgraphicsproxywidget.cpp
@@ -48,6 +48,7 @@
 #include "private/qgraphicsproxywidget_p.h"
 #include "private/qwidget_p.h"
 #include "private/qapplication_p.h"
+#include "private/qgesturemanager_p.h"
 
 #include <QtCore/qdebug.h>
 #include <QtGui/qevent.h>
@@ -275,7 +276,7 @@ void QGraphicsProxyWidgetPrivate::sendWidgetMouseEvent(QGraphicsSceneMouseEvent
 
     QWidget *embeddedMouseGrabberPtr = (QWidget *)embeddedMouseGrabber;
     QApplicationPrivate::sendMouseEvent(receiver, mouseEvent, alienWidget, widget,
-                                        &embeddedMouseGrabberPtr, lastWidgetUnderMouse);
+                                        &embeddedMouseGrabberPtr, lastWidgetUnderMouse, event->spontaneous());
     embeddedMouseGrabber = embeddedMouseGrabberPtr;
 
     // Handle enter/leave events when last button is released from mouse
@@ -648,6 +649,9 @@ void QGraphicsProxyWidgetPrivate::setWidget_helper(QWidget *newWidget, bool auto
         q->setAttribute(Qt::WA_OpaquePaintEvent);
 
     widget = newWidget;
+    foreach(int gestureId, widget->d_func()->gestures) {
+        grabGesture(gestureId);
+    }
 
     // Changes only go from the widget to the proxy.
     enabledChangeMode = QGraphicsProxyWidgetPrivate::WidgetToProxyMode;
@@ -871,6 +875,16 @@ bool QGraphicsProxyWidget::event(QEvent *event)
         }
         break;
     }
+    case QEvent::GraphicsSceneGesture: {
+        qDebug() << "QGraphicsProxyWidget: graphicsscenegesture";
+        if (d->widget && d->widget->isVisible()) {
+            QGraphicsSceneGestureEvent *ge = static_cast<QGraphicsSceneGestureEvent*>(event);
+            //### TODO: widget->childAt(): decompose gesture event and find widget under hotspots.
+            QGestureManager::instance()->sendGestureEvent(d->widget, ge->gestures().toSet(), ge->cancelledGestures());
+            return true;
+        }
+        break;
+    }
     default:
         break;
     }