actionregistry.h

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#ifndef ACTIONREGISTRY_H
#define ACTIONREGISTRY_H
 
#include <QHash>
#include <QKeySequence>
#include <QObject>
 
class QAction;
class QWidget;
 
namespace openswmmvis::ui {
 
struct ActionCatalogEntry;
 
class ActionRegistry : public QObject
{
    Q_OBJECT
 
public:
    static ActionRegistry *instance();
 
    void registerAction(const QString &id, QAction *action);
 
    int registerFromCatalog(QWidget *root);
 
    QAction *action(const QString &id) const;
    QList<QAction *> allActions() const;
    QStringList registeredIds() const;
    const ActionCatalogEntry *catalogEntry(const QString &id) const;
 
    void setEnabledByTag(unsigned tag, bool enabled);
 
    QList<QKeySequence> defaultShortcuts(const QString &id) const;
    QList<QKeySequence> effectiveShortcuts(const QString &id) const;
 
    void setUserShortcut(const QString &id, const QKeySequence &seq);
    void resetShortcut(const QString &id);
    bool hasUserShortcut(const QString &id) const;
 
    QString conflictingActionId(const QKeySequence &seq,
                                const QString &excludeId = QString()) const;
 
signals:
    void actionRegistered(const QString &id);
    void shortcutChanged(const QString &id);
 
private:
    explicit ActionRegistry(QObject *parent = nullptr);
 
    void applyShortcut(const QString &id);
 
    QHash<QString, QAction *> mActions;              // id -> adopted action
    QHash<QString, const ActionCatalogEntry *> mEntries;
};
 
}   // namespace openswmmvis::ui
 
#endif // ACTIONREGISTRY_H