Select a folder or a file - qt

Question

Is there a way in Qt to use just one dialog in order to select either a file or a folder?
What I mean is that I'd like to have an option, let's call it select, and by using this user could, from the same dialog, pick either a folder or a file.

Answer 1

There isn't a built in widget, but it is easy enough to connect a QDirModel to a QTreeView and get the selection signals.
Here is an example to get you started:
test.cpp
#include <QtGui>
#include "print.h"
int main(int argc, char** argv)
{
QApplication app(argc, argv);
QDirModel mdl;
QTreeView view;
Print print(&mdl);
view.setModel(&mdl);
QObject::connect(
view.selectionModel(),
SIGNAL(currentChanged(const QModelIndex&,const QModelIndex&)),
&print,
SLOT(currentChanged(const QModelIndex&,const QModelIndex&)));
view.show();
return app.exec();
}
print.h
#ifndef _PRINT_H_
#define _PRINT_H_
#include <QtGui>
class Print : public QObject
{
Q_OBJECT
public:
Print(QDirModel* mdl);
~Print();
public slots:
void currentChanged(const QModelIndex& current, const QModelIndex&);
private:
QDirModel* mModel;
Q_DISABLE_COPY(Print)
};
#endif
print.cpp
#include "print.h"
Print::Print(QDirModel* mdl) : QObject(0), mModel(mdl) {}
Print::~Print() {}
void Print::currentChanged(const QModelIndex& current, const QModelIndex&)
{
qDebug() << mModel->filePath(current);
}