How to invoke qml object from qt C

[houmingc]

I can't find any link on interacting QML objects from C++
I need to change the rectangle color in qml from red to green. Please assist.

@
---------------------h file

signals:
void redcolor();
void greencolor();

---------------------cpp file
QStateMachine machine;
QState *group= new QState();
group->setObjectName("MyGroup");
QTimer timer;
timer.setInterval(1250);
timer.setSingleShot(true);
QObject::connect(group,SIGNAL(entered()),&timer, SLOT(start()));

QState *state1;
QState *state2;

state1=function1(emit redcolor;);
state2=function2(emit greencolor;);

}

-------------------------------------qml

Item{
id:container
width:300; height:300

      Rectangle{
                  id:rect
                  width:190; height:190
                  color: "red"
               MouseArea{
                      id:mouseArea
                      anchors.fill: parent
                    }
                onColorChanged?rect.color= green: rect.color=red;
     }

}

@

[p3c0]

Hi,

Have a look at "this":http://qt-project.org/doc/qt-5/qtqml-cppintegration-interactqmlfromcpp.html document.