///
///returns an identifying path from a widget
///
QString getWidgetPath(QObject* o)
{
assert ( o );
//get the object path
QString opath;
if ( o->isWidgetType() )
{
QWidget *w = dynamic_cast<QWidget*> ( o );
if ( w->objectName() == "" )
w->setObjectName ( getWidgetName ( w ) );
opath = w->objectName();
while ( w->parent() != NULL )
{
w = dynamic_cast<QWidget*> ( w->parent() );
if ( w->objectName() == "" )
w->setObjectName ( getWidgetName ( w ) );
opath = w->objectName() + "/" + opath;
}
}
return opath;
}
void WidgetComponent::cleanup(Window& parent) const
{
if (!parent.isChild(getWidgetName()))
return;
Window* widget = parent.getChild(getWidgetName());
// clean up up the event actions
for (EventActionList::const_iterator i = d_eventActions.begin();
i != d_eventActions.end();
++i)
{
(*i).cleanupWidget(*widget);
}
parent.destroyChild(widget);
}
int main()
{
Widget w;
auto n = getWidgetName(); // n is local variable
w.setName(n); // moves n into w!
std::cout << n << std::endl; // n's value now unknown
}
void MLDrawing::dumpOperations()
{
debug() << "MLDrawing " << getWidgetName() << ": \n";
int c = 0;
for(std::vector<MLDrawing::Operation>::iterator it = mOperations.begin(); it != mOperations.end(); it++)
{
const MLDrawing::Operation& op = *it;
debug() << " op" << c++ << ": " << op.type << "\n";
debug() << " args: ";
for (int i=0; i<4; ++i)
{
debug() << op.args[i] << " ";
}
debug() << "\n";
}
}
///
///returns a widget
///it supports repeated widget names
///
QWidget* getAbsoluteWidget(QStringList path)
{
_log::misc << "(QWidgetUtils::getAbsoluteWidget)" << std::endl;
///update the view
QWidgetUtils::updateAppView();
///get all the widgets
QWidgetList qwl = qApp->allWidgets();
///get the widget name
assert ( path.size() );
QString name = path.back();
if ( name == "" )
{
std::cout << "(QWidgetUtils::getAbsoluteWidget) ERROR. The name of the widget is empty." << std::endl;
return NULL;
}
path.pop_back();
//_log::misc << "(QWidgetUtils::getAbsoluteWidget) Name = " << name.toStdString() << std::endl;
///get all widgets with this name
QWidgetList qws;
foreach ( QWidget *w, qwl )
{
if ( getWidgetName ( w ) == name )
{
qws.push_back ( w );
}
}
//_log::misc << "(QWidgetUtils::getAbsoluteWidget) OK" << std::endl;
//if there are no selected widgets...
if ( qws.size() == 0 )
{
_log::misc << "(QWidgetUtils::getAbsoluteWidget) ERROR. There are no selected widgets." << std::endl;
return NULL;
}
//_log::misc << "(QWidgetUtils::getAbsoluteWidget) OK" << std::endl;
///get the concrete widget we are looking for...
int level = 1;
bool onTopLevel = false;
int onTopLevelCount = 0;
QWidgetList::iterator qit;
/*for (qit = qws.begin(); qit != qws.end(); qit++)
{
QWidget* w = static_cast<QWidget*> ( *qit );
_log::misc << getWidgetPath(w).toStdString() << std::endl;
}*/
// while more than 1 widget remaining
// or every widget has been analyzed...
while ( qws.size() > 1 && onTopLevelCount < qws.size() )
{
//_log::misc << "(QWidgetUtils::getAbsoluteWidget) OK -> " << qws.size() << std::endl;
//for the remaining widgets...
qit = qws.begin();
while ( qit != qws.end() )
{
//get the parent widget
QWidget* w = static_cast<QWidget*> ( *qit );
QWidget* wParent = w;
assert ( wParent );
onTopLevel = false;
for ( int i = 0; i < level; i++ )
{
//if we are in a top level widget (with no parent node)
//we have to avoid this widget
if ( wParent->parent() == NULL )
{
onTopLevel = true;
onTopLevelCount++;
break;
}
//if not, we go on looking for up
else
{
wParent = static_cast<QWidget*> ( wParent->parent() );
}
}
//if not at top level...
if ( !onTopLevel )
{
//we chech the parent name and delete the
//widgets whose parent name does not mach
if ( getWidgetName ( wParent ) != path.back() )
{
qit = qws.erase ( qit );
}
else
{
qit++;
}
}
else
{
qit++;
}
}
//update the values
level++;
path.pop_back();
//stop condition (end of the search path)
if ( path.size() == 0 ) break;
}
//_log::misc << "(QWidgetUtils::getAbsoluteWidget) OK" << std::endl;
//there has to be only one element at the list
if ( qws.size() != 1 )
{
std::cout <<
"(QWidgetUtils::getAbsoluteWidget) ERROR. None or more than one widget selected. Result = "
<< qws.size() << std::endl;
return NULL;
}
//if not, return the widget
return qws.first();
}
