InfoBar.h

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#ifndef CNOID_BASE_INFO_BAR_H
#define CNOID_BASE_INFO_BAR_H
 
#include <QStatusBar>
#include <QHBoxLayout>
#include <string>
#include "exportdecl.h"
 
namespace cnoid {
 
class CNOID_EXPORT InfoBar : public QStatusBar
{
public:
    static InfoBar* instance();
        
    void notify(const std::string& message);
    void notify(const char* message);
    void notify(const QString& message);
 
private:
    QWidget* indicatorBase;
    QHBoxLayout* indicatorLayout;
    QWidget* currentIndicator;
    QMetaObject::Connection indicatorConnection;
    std::string plainTextMessage;
        
    InfoBar();
    ~InfoBar();
    void setIndicator(QWidget* indicator);
    void removeCurrentIndicator();
    void onFocusChanged(QWidget* old, QWidget* now);
    void onIndicatorDestroyed(QObject* obj);
};
 
}
 
#endif