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#ifndef CVVISUAL_STFL_QUERY_WIDGET_LINEEDIT_HPP
#define CVVISUAL_STFL_QUERY_WIDGET_LINEEDIT_HPP
#include <QStringList>
#include <QLineEdit>
#include <QKeyEvent>
#include <QAbstractItemView>
#include "opencv2/core/cvdef.h"
#include "stfl_query_widget_completer.hpp"
namespace cvv
{
namespace qtutil
{
/**
* @brief A line edit class, capable of showing suggestions.
* @note It's heavily based on
* http://www.qtcentre.org/archive/index.php/t-23518.html
*/
class STFLQueryWidgetLineEdit : public QLineEdit
{
Q_OBJECT
public:
/**
* @brief Contructor of this class.
* @param parent widget.
*/
STFLQueryWidgetLineEdit(QWidget *parent = 0);
/**
* @brief Gets the inherited completer.
* @return the inherited completer
*/
STFLQueryWidgetCompleter *completer();
/**
* @brief Show the given suggestions in a list.
* @param suggestions given suggestions
*/
void showSuggestions(QStringList suggestions);
protected:
void keyPressEvent(QKeyEvent *e) CV_OVERRIDE;
signals:
/**
* @brief New suggestions are requested for the given user input.
* @param input given user input
*/
void requestSuggestions(QString input);
private
slots:
void insertCompletion(const QString &completion);
private:
STFLQueryWidgetCompleter *queryCompleter;
};
}
}
#endif