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#ifndef CVVISUAL_COLLAPSABLE_H
#define CVVISUAL_COLLAPSABLE_H
// std
#include <cstddef>
// QT
#include <QString>
#include <QWidget>
#include <QPushButton>
#include <QVBoxLayout>
#include <QLabel>
#include <QFrame>
#include "../util/util.hpp"
#include "../util/observer_ptr.hpp"
namespace cvv
{
namespace qtutil
{
/**
* @brief Contains a widget and a title.
*
* The widget can be collapsed and expanded with a button.
* If the widget is collapsed only button and title are shown.
*/
class Collapsable : public QFrame
{
Q_OBJECT
public:
/**
* @brief Constructs a collapsable
* @param title The title above the widget.
* @param widget The widget to store.
* @param isCollapsed If true the contained widget will be collapsed.
* (It will be shown
* otherwise.)
*/
// explicit Collapsable(const QString& title, QWidget& widget, bool
// isCollapsed = true,
// QWidget *parent = 0);
explicit Collapsable(const QString &title,
std::unique_ptr<QWidget> widget,
bool isCollapsed = true, QWidget *parent = 0);
~Collapsable()
{
}
/**
* @brief Collapses the contained widget.
* @param b
* @parblock
* true: collapses the widget
* false: expands the widget
* @endparblock
*/
void collapse(bool b = true);
/**
* @brief Expands the contained widget.
* @param b
* @parblock
* true: expands the widget
* false: collapses the widget
* @endparblock
*/
void expand(bool b = true)
{
collapse(!b);
}
/**
* @brief Sets the title above the widget.
*/
void setTitle(const QString &title)
{
button_->setText(title);
}
/**
* @brief Returns the current title above the widget.
* @return The current title above the widget
*/
QString title() const
{
return button_->text();
}
/**
* @brief Returns a reference to the contained widget.
* @return A reference to the contained widget.
*/
QWidget &widget()
{
return *widget_;
}
const QWidget &widget() const
{
return *widget_;
}
/**
* @brief Detaches the contained widget. (ownership remains)
* @return The contained widget
*/
QWidget *detachWidget();
private
slots:
/**
* @brief Toggles the visibility.
*/
void toggleVisibility()
{
collapse(widget_->isVisible());
}
private:
/**
* @brief The contained widget
*/
QWidget *widget_;
/**
* @brief The button to toggle the widget
*/
QPushButton *button_;
/**
* @brief The layout containing the header and widget
*/
util::ObserverPtr<QVBoxLayout> layout_;
}; // Collapsable
}
} // end namespaces qtutil, cvv
#endif // CVVISUAL_COLLAPSABLE_H