EditAble QCombobox On QML ListView! (Help Qt 4.8.4 on Windows 7)

[JohnDaYe]

When i put a editable QCombobox on a qml listview by QGraphicsProxyWidget, it has some focus bug. when i click on QCombobox Edit Control, parent listview can not get focus, so i can not input anything..
help me please!

[JohnDaYe]

I have resovle it!

header
@
#pragma once

class CustomComboBox : public QComboBox {
Q_OBJECT
public:
explicit CustomComboBox(QWidget *parent = 0) : QComboBox(parent){}

protected:
void focusInEvent(QFocusEvent *event)
{
QComboBox::focusInEvent(event);
focusIn();
}
void focusOutEvent(QFocusEvent *event)
{
QComboBox::focusOutEvent(event);
focusOut();
}

signals:
void focusIn();
void focusOut();
};

class QmlCombobox:
public QGraphicsProxyWidget
{
Q_OBJECT
public:
QmlCombobox(QGraphicsItem *parent = NULL);
~QmlCombobox(void);
static void RegsitCtrl();
signals:
void focusIn();
void focusOut();
private:
CustomComboBox *m_pCtrl;
};
@

cpp

@
#include "StdAfx.h"
#include "QmlCombobox.h"

QmlCombobox::QmlCombobox(QGraphicsItem* parent): QGraphicsProxyWidget(parent)
{
m_pCtrl = new CustomComboBox(NULL);
m_pCtrl->setEditable(true);
setWidget(m_pCtrl);
QObject::connect(m_pCtrl, SIGNAL(focusIn()), this, SIGNAL(focusIn()));
QObject::connect(m_pCtrl, SIGNAL(focusOut()), this, SIGNAL(focusOut()));
}

QmlCombobox::~QmlCombobox(void)
{
}

void QmlCombobox::RegsitCtrl()
{
int n = qmlRegisterType<QmlCombobox>("NativeWidgets", 1, 0, "QmlCombobox");
}
@

qml
@
import QtQuick 1.1
import NativeWidgets 1.0

Rectangle {
width: 300
height: 300

VisualItemModel {
    id: mymodel
    Rectangle {
        height: 30
        width: 100
        objectName: "cmb1"
        QmlCombobox {
            height: 30
            width: 100
            onFocusIn: {
                list_test.focus = true
            }
        }
    }
    Rectangle {
        height: 30
        width: 100
        QmlCombobox {
            objectName: "cmb2"
            height: 30
            width: 100
            onFocusIn: {
                list_test.focus = true
            }
        }
    }
}

ListView {
    id: list_test
    objectName: "list"
    width: 100
    height: 100
    model: mymodel
}

}
@

[JohnDaYe]

i debug and found QmlCombobox::QmlCombobox(QGraphicsItem* parent)
parent == 0

if parent is listview, can listview auto get focus?

[JohnDaYe]

i debug and found QmlCombobox::QmlCombobox(QGraphicsItem* parent)
parent == 0
if parent is listview, can listview auto get focus?

but it crash when i setParent to QmlCombobox