shortcutkeymanager.h

#ifndef HYDROQGUI_SHORTCUTKEYMANAGER_H
#define HYDROQGUI_SHORTCUTKEYMANAGER_H

#include <QWidget>
#include <QAction>
#include <QKeySequence>
#include <hydroutil/uncopyable.h>

namespace hydroqguielementutil {

namespace detail {
    class ShortcutKey;
}

class ShortcutKeyManager : public hydroutil::Uncopyable
{

public: 

    ShortcutKeyManager( QWidget *mainWidget );

    ~ShortcutKeyManager();

    void subscribeToShortcutKey( QAction      *elementAction,
                                 QKeySequence  key,
                                 bool          ownExclusively,
                                 QObject      *triggeree  );

    void unsubscribeFromShortcutKey( QKeySequence  key,
                                     QObject      *triggeree );

private: 

    // list of shorcut actions
    QList<detail::ShortcutKey*> shortcutKeys_;

    QWidget       *mainWidget_;
};

class ShortcutKeyReservation {
public:
    ShortcutKeyReservation( QAction            *elementAction,
                            QKeySequence        key,
                            bool                ownExclusively,
                            QObject            *trigeree,
                            ShortcutKeyManager &shortcutKeyManager )
        : key_(key),
          trigeree_(trigeree),
          shortcutKeyManager_(shortcutKeyManager)
        {
            shortcutKeyManager_.subscribeToShortcutKey(elementAction,
                                                       key,
                                                       ownExclusively,
                                                       trigeree);
        }
    ~ShortcutKeyReservation()
        {
            shortcutKeyManager_.unsubscribeFromShortcutKey( key_, trigeree_ );
        }
private:
    QKeySequence        key_;
    QObject            *trigeree_;
    ShortcutKeyManager &shortcutKeyManager_;
};

}

#endif