customcombobox.h

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#ifndef CUSTOMCOMBOBOX_H
#define CUSTOMCOMBOBOX_H
 
#include <QObject>
#include <QComboBox>
#include <QMutex>
 
#define GAINAMPROLE Qt::UserRole + 1
 
class CustomComboBox : public QComboBox
{
    Q_OBJECT
 
public:
    CustomComboBox(QWidget *parent = nullptr);
    void clear();
    void setCurrIndex(int v);
    void initItems();
    void clearItems();
    void addCustomValue(float val);
    void setIndexFromAmpGain(int g);
 
private:
    int previousIndex;
    bool modified;
    bool initialized;
    QMutex mutex;
 
private slots:
    void onCurrentIndexChanged(int v);
};
class CustomComboBox : public QComboBox {…};
 
#endif // CUSTOMCOMBOBOX_H