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/*
* kaccelmenuwatch.h -- Declaration of class KAccelMenuWatch.
* Generated by newclass on Thu Jan 7 15:05:26 EST 1999.
*/
#ifndef KARM_K_ACCEL_MENU_WATCH_H
#define KARM_K_ACCEL_MENU_WATCH_H
#include <qobject.h>
#include <qptrlist.h>
#include <kaccel.h>
class QPopupMenu;
/**
* Easy updating of menu accels when changing a KAccel object.
*
* Since a KAccel object does not keep track of menu items to which it
* is connected, we normally have to manually call
* KAccel::changeMenuAccel() again for each update of the KAccel object.
*
* With KAccelMenuWatch you provide the kaccel object and the menu
* items to which it connects, and if you update the kaccel you just have
* to call KAccelMenuWatch::updateMenus() and the menu items will be updated.
*
* It is safe to delete menus that have connections handled by this class.
* On deletion of a menu, all associated accelerators will be deleted.
*
* Note that you _have_ to call KAccelMenuWatch::updateMenus() after you
* connect the * accelerators, as they are not activated till then.
*
* @author Sirtaj Singh Kang (taj@kde.org)
*/
class KAccelMenuWatch : public QObject
{
Q_OBJECT
private:
enum AccelType { StdAccel, StringAccel };
typedef struct AccelItem {
QPopupMenu *menu;
int itemId;
AccelType type;
// only one of these is used at a time
QString action;
KStdAccel::StdAccel stdAction;
} AccelItem;
KAccel *_accel;
QPtrList<AccelItem> _accList;
QPtrList<QPopupMenu> _menuList;
QPopupMenu *_menu;
KAccelMenuWatch::AccelItem *newAccelItem( QPopupMenu *menu,
int itemId, AccelType type );
public:
/**
* KAccelMenuWatch Constructor
*/
KAccelMenuWatch( KAccel *accel, QObject *parent = 0 );
/**
* KAccelMenuWatch Destructor
*/
virtual ~KAccelMenuWatch() {}
/**
* Set the menu on which connectAccel calls will operate.
* All subsequent calls to connectAccel will be associated
* with this menu. You can call this function any number of
* times, so multiple menus can be handled.
*/
void setMenu( QPopupMenu *menu );
/**
* Return the last menu set with KAccelMenuWatch::setMenu(QPopupMenu*),
* or 0 if none has been set.
*/
QPopupMenu *currentMenu() const { return _menu; }
/**
* Connect the menu item identified to currentMenu()/id to
* the accelerator action.
*/
void connectAccel( int itemId, const char *action );
/**
* Same as above, but connects to standard accelerators.
*/
void connectAccel( int itemId, KStdAccel::StdAccel );
public slots:
/**
* Updates all menu accelerators. Call this after all accelerators
* have been connected or the kaccel object has been updated.
*/
void updateMenus();
private slots:
void removeDeadMenu();
private:
KAccelMenuWatch& operator=( const KAccelMenuWatch& );
KAccelMenuWatch( const KAccelMenuWatch& );
};
#endif // KARM_K_ACCEL_MENU_WATCH_H
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