Hi, If you're using Qt Mobility 1.1 it might be worth checking out the latest code from the master branch in git and trying again. If it still crashes, please file a bug with the code and stack trace attached and we'll get on to it.
Thanks for letting us know. Cheers, Dave > -----Original Message----- > From: qt-mobility-feedback-boun...@trolltech.com [mailto:qt-mobility- > feedback-boun...@trolltech.com] On Behalf Of ext Cornelius Hald > Sent: Wednesday, 8 December 2010 10:39 PM > To: qt-mobility-feedback@trolltech.com > Subject: [Qt-mobility-feedback] Removing map group objects == crash? > > Hi, > > I'm creating map group objects and add them to a map. Once I remove > them > my app segfaults. To me it looks like a bug, but before I file it it > would be nice if someone could tell me that I'm using the API > correctly. > > In a subclass of QGraphicsGeoMap I'm creating map objects like this: > > void MapWidget::addPoi(double lat, double lon, QString uuid) > { > QGeoCoordinate coord(lat, lon); > > QPixmap pixmap(":qml/Common/img/poi_green.png"); > QGeoMapPixmapObject *pixMapObject = new QGeoMapPixmapObject(coord, > QPoint(-20,-70), pixmap); > pixMapObject->setZValue(1); > > QGeoMapCircleObject *circle = new QGeoMapCircleObject(coord, 100); > circle->setPen(QPen((QColor(255, 0, 0, 90)))); > circle->setBrush(QBrush(QColor(255, 0, 0, 90))); > circle->setZValue(2); > > QGeoMapGroupObject *poi = new QGeoMapGroupObject(); > poi->addChildObject(circle); > poi->addChildObject(pixMapObject); > > addMapObject(poi); > } > > Now if I later call clearMapObjects() or removeMapObject() it crashes. > If I directly add circle objects or pixmap objects without using a > group > everything works fine. > > Below is also a stack trace. > > Cheers, > Conny > > > #0 0x00007ffff587f044 in QGraphicsItem::scene (this=0xe7f0e0) at > graphicsview/qgraphicsitem.cpp:1496 > No locals. > #1 0x00007ffff58c916d in QGraphicsScene::removeItem (this=0xe79c00, > item=0xe7f0e0) at graphicsview/qgraphicsscene.cpp:2953 > newSceneVariant = {d = {data = {c = -112 '\220', i = -26224, u > = > 4294941072, b = 144, d = 6.9533558065393666e-310, f = -nan(0x7f9990), > real = 6.9533558065393666e-310, ll = 140737488329104, ull = > 140737488329104, o = 0x7fffffff9990, ptr = 0x7fffffff9990, shared = > 0x7fffffff9990}, type = 15256624, is_shared = 0, is_null = 0}} > targetScene = <value optimized out> > #2 0x00007ffff7b600cc in > QtMobility::QGeoTiledMapObjectInfo::~QGeoTiledMapObjectInfo > (this=0xe7ed60, __in_chrg=<value optimized out>) at > maps/tiled/qgeotiledmapobjectinfo_p.cpp:69 > No locals. > #3 0x00007ffff7b621d6 in > QtMobility::QGeoTiledMapPixmapObjectInfo::~QGeoTiledMapPixmapObjectInfo > (this=0xe7ed60, __in_chrg=<value optimized out>) at > maps/tiled/qgeotiledmappixmapobjectinfo_p.cpp:77 > No locals. > #4 0x00007ffff7b7036c in QtMobility::QGeoMapObject::setMapData > (this=0xe7e0d0, mapData=0x0) at maps/qgeomapobject.cpp:229 > No locals. > #5 0x00007ffff7b6f130 in QtMobility::QGeoMapGroupObject::setMapData > (this=0xe7e610, mapData=0x0) at maps/qgeomapgroupobject.cpp:201 > i = 0 > #6 0x00007ffff7b6efd0 in > QtMobility::QGeoMapGroupObject::removeChildObject (this=0xe79c20, > childObject=0xe7e610) at maps/qgeomapgroupobject.cpp:166 > No locals. > #7 0x00007ffff7b6c9ed in QtMobility::QGeoMapData::removeMapObject > (this=0xe7bd30, mapObject=0xe7e610) at maps/qgeomapdata.cpp:323 > No locals. > #8 0x00007ffff7b886fb in QtMobility::QGraphicsGeoMap::removeMapObject > (this=0xe7bbd0, mapObject=0xe7e610) at maps/qgraphicsgeomap.cpp:438 > No locals. > #9 0x000000000042b5b6 in MapWidget::clearPois (this=0xe7bbd0) > at ../../cuteschall/src/map_widget.cpp:135 > > _______________________________________________ > Qt-mobility-feedback mailing list > Qt-mobility-feedback@trolltech.com > http://lists.trolltech.com/mailman/listinfo/qt-mobility-feedback _______________________________________________ Qt-mobility-feedback mailing list Qt-mobility-feedback@trolltech.com http://lists.trolltech.com/mailman/listinfo/qt-mobility-feedback
