diff options
| -rw-r--r-- | src/declarative/graphicsitems/qdeclarativepincharea.cpp | 17 | ||||
| -rw-r--r-- | src/declarative/graphicsitems/qdeclarativepincharea_p_p.h | 5 |
2 files changed, 14 insertions, 8 deletions
diff --git a/src/declarative/graphicsitems/qdeclarativepincharea.cpp b/src/declarative/graphicsitems/qdeclarativepincharea.cpp index eae83f6..9bc3d8d 100644 --- a/src/declarative/graphicsitems/qdeclarativepincharea.cpp +++ b/src/declarative/graphicsitems/qdeclarativepincharea.cpp @@ -300,9 +300,8 @@ void QDeclarativePinchArea::updatePinch() d->stealMouse = false; setKeepMouseGrab(false); d->inPinch = false; - const qreal rotationAngle = d->pinchStartAngle - d->pinchLastAngle; QPointF pinchCenter = mapFromScene(d->sceneLastCenter); - QDeclarativePinchEvent pe(pinchCenter, d->pinchLastScale, d->pinchLastAngle, rotationAngle); + QDeclarativePinchEvent pe(pinchCenter, d->pinchLastScale, d->pinchLastAngle, d->pinchRotation); pe.setStartCenter(d->pinchStartCenter); pe.setPreviousCenter(pinchCenter); pe.setPreviousAngle(d->pinchLastAngle); @@ -349,6 +348,7 @@ void QDeclarativePinchArea::updatePinch() d->pinchStartAngle = angle; d->pinchLastScale = 1.0; d->pinchLastAngle = angle; + d->pinchRotation = 0.0; d->lastPoint1 = d->touchPoints.at(0).pos(); d->lastPoint2 = d->touchPoints.at(1).pos(); QDeclarativePinchEvent pe(d->pinchStartCenter, 1.0, angle, 0.0); @@ -380,11 +380,14 @@ void QDeclarativePinchArea::updatePinch() } } else if (d->pinchStartDist > 0) { qreal scale = dist / d->pinchStartDist; - qreal rotationAngle = d->pinchStartAngle - angle; - if (rotationAngle > 180) - rotationAngle -= 360; + qreal da = d->pinchLastAngle - angle; + if (da > 180) + da -= 360; + else if (da < -180) + da += 360; + d->pinchRotation += da; QPointF pinchCenter = mapFromScene(sceneCenter); - QDeclarativePinchEvent pe(pinchCenter, scale, angle, rotationAngle); + QDeclarativePinchEvent pe(pinchCenter, scale, angle, d->pinchRotation); pe.setStartCenter(d->pinchStartCenter); pe.setPreviousCenter(mapFromScene(d->sceneLastCenter)); pe.setPreviousAngle(d->pinchLastAngle); @@ -422,7 +425,7 @@ void QDeclarativePinchArea::updatePinch() } if (d->pinchStartRotation >= pinch()->minimumRotation() && d->pinchStartRotation <= pinch()->maximumRotation()) { - qreal r = rotationAngle + d->pinchStartRotation; + qreal r = d->pinchRotation + d->pinchStartRotation; r = qMin(qMax(pinch()->minimumRotation(),r), pinch()->maximumRotation()); pinch()->target()->setRotation(r); } diff --git a/src/declarative/graphicsitems/qdeclarativepincharea_p_p.h b/src/declarative/graphicsitems/qdeclarativepincharea_p_p.h index 5641e35..cd5cf2a 100644 --- a/src/declarative/graphicsitems/qdeclarativepincharea_p_p.h +++ b/src/declarative/graphicsitems/qdeclarativepincharea_p_p.h @@ -68,7 +68,9 @@ class QDeclarativePinchAreaPrivate : public QDeclarativeItemPrivate public: QDeclarativePinchAreaPrivate() : absorb(true), stealMouse(false), inPinch(false) - , pinchRejected(false), pinch(0), pinchStartDist(0) + , pinchRejected(false), pinch(0), pinchStartDist(0), pinchStartScale(1.0) + , pinchLastScale(1.0), pinchStartRotation(0.0), pinchStartAngle(0.0) + , pinchLastAngle(0.0), pinchRotation(0.0) { } @@ -97,6 +99,7 @@ public: qreal pinchStartRotation; qreal pinchStartAngle; qreal pinchLastAngle; + qreal pinchRotation; QPointF sceneStartCenter; QPointF pinchStartCenter; QPointF sceneLastCenter; |