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/* This file is part of the KDE libraries
    Copyright (C) 2007 Andreas Hartmetz <ahartmetz@gmail.com>

    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., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/
#ifndef KSHORTCUTWIDGET_H
#define KSHORTCUTWIDGET_H

#include <QtGui/QWidget>
#include "kshortcut.h"

class KActionCollection;
class KShortcutWidgetPrivate;

/**
 * \image html kshortcutwidget.png "KDE Shortcut Widget"
 */
class KDEUI_EXPORT KShortcutWidget : public QWidget
{
    Q_OBJECT
    Q_PROPERTY(bool modifierlessAllowed READ isModifierlessAllowed WRITE setModifierlessAllowed)
public:
    KShortcutWidget(QWidget *parent = 0);
    ~KShortcutWidget();

    void setModifierlessAllowed(bool allow);
    bool isModifierlessAllowed();

    void setClearButtonsShown(bool show);

    KShortcut shortcut() const;

    /**
     * Set a list of action collections to check against for conflictuous shortcut.
     *
     * If there is a conflictuous shortcut with a KAction, and that his shortcut can be configured
     * (KAction::isShortcutConfigurable() returns true) the user will be prompted for eventually steal
     * the shortcut from this action
     *
     * Global shortcuts are automatically checked for conflicts
     *
     * Don't forget to call applyStealShortcut to actually steal the shortcut.
     *
     * @since 4.1
     */
    void setCheckActionCollections(const QList<KActionCollection *>& actionCollections);

    /**
     * @deprecated since 4.1
     * Use setCheckActionCollections so that KShortcutWidget knows
     * in which action collection to call the writeSettings method after stealing
     * a shortcut from an action.
     */
#ifndef KDE_NO_DEPRECATED
    KDE_DEPRECATED void setCheckActionList(const QList<QAction*> &checkList);
#endif

Q_SIGNALS:
    void shortcutChanged(const KShortcut &cut);

public Q_SLOTS:
    void setShortcut(const KShortcut &cut);
    void clearShortcut();

    /**
     * Actually remove the shortcut that the user wanted to steal, from the
     * action that was using it.
     *
     * To be called before you apply your changes.
     * No shortcuts are stolen until this function is called.
     */
    void applyStealShortcut();

private:
    Q_PRIVATE_SLOT(d, void priKeySequenceChanged(const QKeySequence &))
    Q_PRIVATE_SLOT(d, void altKeySequenceChanged(const QKeySequence &))

private:
    friend class KShortcutWidgetPrivate;
    KShortcutWidgetPrivate *const d;
};

#endif //KSHORTCUTWIDGET_H