Add a simple way to create a multiple input dialog

Polyhedron/demo/Polyhedron/include/QMultipleInputDialog.h

@@ -0,0 +1,53 @@
+// Note: this structure is inspired from the QInputDialog that allows
+// the user to easily create a dialog to get one value (integer,
+// double or string). This structure allows the user to easily create
+// a form inside a QDialog to get as manu values as needed.
+
+#ifndef CGAL_QMULTIPLEINPUTDIALOG_H
+#define CGAL_QMULTIPLEINPUTDIALOG_H
+
+#include <QDialog>
+#include <QFormLayout>
+#include <QDialogButtonBox>
+
+class QMultipleInputDialog
+{
+  QDialog* dialog;
+  QFormLayout* form;
+public:
+  QMultipleInputDialog (const char* name, QWidget* parent)
+  {
+    dialog = new QDialog (parent);
+    dialog->setWindowTitle (name);
+    form = new QFormLayout(dialog);
+  }
+  ~QMultipleInputDialog ()
+  {
+    delete dialog;
+  }
+
+  template <typename QObjectType>
+  QObjectType* add (const char* name)
+  {
+    QObjectType* out = new QObjectType (dialog);
+    form->addRow (QString(name), out);
+    return out;
+  }
+
+  int exec()
+  {
+    QDialogButtonBox* oknotok = new QDialogButtonBox
+      (QDialogButtonBox::Ok | QDialogButtonBox::Cancel,
+       Qt::Horizontal, dialog);
+      
+    form->addRow (oknotok);
+    QObject::connect (oknotok, SIGNAL(accepted()), dialog, SLOT(accept()));
+    QObject::connect (oknotok, SIGNAL(rejected()), dialog, SLOT(reject()));
+
+    return dialog->exec();
+  }
+};
+
+
+
+#endif // CGAL_QMULTIPLEINPUTDIALOG_H