QVariant QAxWidgetPropertySheet::property(int index) const
{
// QTBUG-34592, accessing the 'control' property via meta object system
// may cause crashes during loading for some controls.
return propertyName(index) == m_controlProperty ?
QVariant(axWidget()->control()) :
QDesignerPropertySheet::property(index);
}
QAxWidgetPropertySheet::QAxWidgetPropertySheet(QDesignerAxWidget *object, QObject *parent) :
QDesignerPropertySheet(object, parent),
m_controlProperty(controlPropertyName),
m_propertyGroup(QLatin1String("QAxWidget"))
{
if (!axWidget()->loaded()) { // For some obscure reason....
const int controlIndex = QDesignerPropertySheet::indexOf(m_controlProperty);
setPropertyGroup(controlIndex, m_propertyGroup);
}
}
// Reload as the meta object changes.
bool QAxWidgetPropertySheet::reset(int index)
{
const QString name = propertyName(index);
QMap<QString, QVariant>::iterator it = m_currentProperties.changedProperties.find(name);
if (it != m_currentProperties.changedProperties.end())
m_currentProperties.changedProperties.erase(it);
if (name != m_controlProperty)
return QDesignerPropertySheet::reset(index);
axWidget()->resetControl();
QTimer::singleShot(0, this, SLOT(updatePropertySheet()));
return true;
}
void QAxWidgetPropertySheet::updatePropertySheet()
{
// refresh the property sheet (we are deleting m_currentProperties)
struct SavedProperties tmp = m_currentProperties;
QDesignerAxWidget *axw = axWidget();
QDesignerFormWindowInterface *formWin = QDesignerFormWindowInterface::findFormWindow(axw);
Q_ASSERT(formWin != 0);
tmp.widget = axw;
tmp.clsid = axw->control();
// Delete the sheets as they cache the meta object and other information
delete this;
delete qt_extension<QDesignerMemberSheetExtension *>(formWin->core()->extensionManager(), axw);
reloadPropertySheet(tmp, formWin);
}
void QAxWidgetPropertySheet::setProperty(int index, const QVariant &value)
{
// take care of all changed properties
const QString name = propertyName(index);
m_currentProperties.changedProperties[name] = value;
if (name != m_controlProperty) {
QDesignerPropertySheet::setProperty(index, value);
return;
}
// Loading forms: Reload
if (name == m_controlProperty) {
const QString clsid = value.toString();
if (clsid.isEmpty() || !axWidget()->loadControl(clsid))
reset(index);
else
QTimer::singleShot(100, this, SLOT(updatePropertySheet()));
}
}