/* This file is part of the KDE libraries
    Copyright (C) 2001,2002 Ellis Whitehead <ellis@kde.org>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.
*/

#ifndef _KGLOBALACCEL_H_
#define _KGLOBALACCEL_H_

#include <qobject.h>
#include <kshortcut.h>

class QPopupMenu;
class QWidget;
class KAccelAction;
class KAccelActions;
class KConfigBase;

class KGlobalAccelPrivate;

class KGlobalAccel : public QObject
{
	Q_OBJECT
 public:
	KGlobalAccel( QObject* pParent, const char* psName = 0 );
	virtual ~KGlobalAccel();

	bool isEnabled();
	void setEnabled( bool bEnabled );

	/**
	 * Create an accelerator action.
	 *
	 * Usage:
	 *<pre>
	 * insert( "Do Something", i18n("Do Something"),
	 *   i18n("This action allows you to do something really great with this program to "
	 *        "the currently open document."),
	 *   ALT+CTRL+Key_Q, KKey::QtWIN+CTRL+Key_Q, this, SLOT(slotDoSomething()) );
	 *</pre>
	 *
	 * @param sAction The internal name of the action.
	 * @param sLabel An i18n'ized short description of the action displayed when
	 *  using @ref KKeyChooser to reconfigure the shortcuts.
	 * @param sWhatsThis An extended description of the action.
	 * @param cutDef3 The default 3 modifier scheme shortcut.
	 * @param cutDef4 The default 4 modifier scheme shortcut.
	 * @param pObjSlot Pointer to the slot object.
	 * @param psMethodSlot Pointer to the slot method.
	 * @param bConfigurable Allow the user to change this shortcut if set to 'true'.
	 * @param bEnabled The action will be activated by the shortcut if set to 'true'.
	 */
	KAccelAction* insert( const QString& sAction, const QString& sLabel, const QString& sWhatsThis,
	                 const KShortcut& cutDef3, const KShortcut& cutDef4,
	                 const QObject* pObjSlot, const char* psMethodSlot,
	                 bool bConfigurable = true, bool bEnabled = true );
	/**
	 * Use this to insert a label into the action list.  This will be
	 * displayed when the user configures shortcuts.
	 */
	KAccelAction* insert( const QString& sName, const QString& sLabel );

	bool updateConnections();

	/**
	 * Set the shortcut to be associated with the action named by @p sAction.
	 */
	const KShortcut& shortcut( const QString& sAction ) const;
	/**
	 * Set the shortcut to be associated with the action named by @p sAction.
	 */
	bool setShortcut( const QString& sAction, const KShortcut& );
	/**
	 * Set the slot to be called when the shortcut of the action named
	 * by @p sAction is pressed.
	 */
	bool setSlot( const QString& sAction, const QObject* pObjSlot, const char* psMethodSlot );
	/** 
	 * Enable or disable the action named by @p sAction.
	 */
	bool setEnabled( const QString& sAction, bool bEnabled );

	const QString& configGroup() const;
	void setConfigGroup( const QString& );

	/**
	 * Read all shortcuts from @p pConfig, or (if @p pConfig
	 * is zero) from the application's configuration file
	 * @ref KGlobal::config().
	 */
	bool readSettings( KConfigBase* pConfig = 0 );
	/**
	 * Write the current shortcuts to @p pConfig,
	 * or (if @p pConfig is zero) to the application's
	 * configuration file.
	 */
	bool writeSettings( KConfigBase* pConfig = 0 ) const;

	/**
	 * @internal -- this a wrapper function to
	 * KAccelActions::useFourModifierKeys().
	 */
	static bool useFourModifierKeys();

 private:

	KAccelActions& actions();
	const KAccelActions& actions() const;

	friend class KGlobalAccelPrivate;
	friend class KAccelShortcutList;
protected:
	virtual void virtual_hook( int id, void* data );
private:
	class KGlobalAccelPrivate* d;
};

#endif // _KGLOBALACCEL_H_