summaryrefslogtreecommitdiffstats
path: root/src/declarative/graphicsitems/qdeclarativepincharea.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/declarative/graphicsitems/qdeclarativepincharea.cpp')
-rw-r--r--src/declarative/graphicsitems/qdeclarativepincharea.cpp17
1 files changed, 10 insertions, 7 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);
}