fasttools.h

#ifndef UI_FASTTOOLS_H
#define UI_FASTTOOLS_H
#include <QWidget>
inline void hide_childrens(QWidget* w) {
    for (const auto& widget : w->children()) {
        QWidget* possible_widget = dynamic_cast<QWidget*>(widget);
        if (!possible_widget)
            continue;
        possible_widget->hide();
    }
}
 
#endif // UI_FASTTOOLS_H