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/*
* This file is part of the Polkit-tqt project
* Copyright (C) 2009 Daniel Nicoletti <dantti85-pk@yahoo.com.br>
* Copyright (C) 2009 Dario Freddi <drf@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., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef POLKIT_TQT_GUI_ACTIONBUTTON_H
#define POLKIT_TQT_GUI_ACTIONBUTTON_H
#include "polkit-tqt-export.h"
#include "polkit-tqt-gui-action.h"
class TQAbstractButton;
namespace PolkitTQt
{
namespace Gui
{
class ActionButtonPrivate;
/**
* \class ActionButton polkit-tqt-gui-actionbutton.h ActionButton
* \author Daniel Nicoletti <dantti85-pk@yahoo.com.br>
* \author Dario Freddi <drf@kde.org>
*
* \brief Class used to hold and update a TQAbstractButton
*
* This class allows you to associate TQAbstractButtons
* (i.e. TQPushButton) to a PolicyKit Action. It will update the
* button properties according to the PolicyKit Action automatically.
*
* \note You should connect the activated() signal to receive
* a notification when the user clicked the button and gets
* permission to perform the given action. If you set 'noEnabled'
* to \c true it will be emitted when PolKitResult is NO.
*/
class POLKIT_TQT_EXPORT ActionButton : public Action
{
Q_OBJECT
TQ_DECLARE_PRIVATE(ActionButton)
TQ_DISABLE_COPY(ActionButton)
public:
/**
* Constructs a new ActionButton. You need to pass this
* constructor an existing TQAbstractButton, whose properties
* will be modified according to the underlying Action
* object. As ActionButton inherits from Action, you can
* define your button's behavior right through this wrapper.
*
* \see Action
*
* \param button the TQAbstractButton to associate to this ActionButton
* \param actionId the action Id to create the underlying Action
* \param parent the parent object
*/
explicit ActionButton(TQAbstractButton *button, const TQString &actionId = TQString(), TQObject *parent = 0);
virtual ~ActionButton();
/**
* Sets the button associated to the underlying action.
*
* \note If you are calling this function, you're probably
* changing the button the action is referring to. If this
* is the case, please note that Polkit-TQt does not handle
* the previous button's memory, so you should take care of
* deleting it yourself (if needed). You can retrieve it by
* using button()
*
* \see button
*
* \param button the new button associated with the underlying action
*/
void setButton(TQAbstractButton *button);
/**
* Returns the current button
*
* \return the button currently associated with the underlying action
*/
TQAbstractButton *button() const;
public Q_SLOTS:
/**
* Connect clicked() signals to this slot. This should be
* manually done, as in some cases we might want
* to manually call this. Calling this will emit authorized().
*
* \note This slot is reentrant which is likely to only be a problem
* if you are creating an interface to setup PolicyKit policies.
* \note If you have a checkbox, connect to its' clicked() signal
* to avoid an infinite loop as this function internally calls setChecked().
* You can always use the clicked(bool) signal in this class to
* connect to here.
* \warning if you use this class take care to not call Action::activate
* otherwise your checkable buttons won't be properly updated.
*/
bool activate();
Q_SIGNALS:
/**
* Emitted when the abstract button clicked(bool) signal
* is emitted. This allows you to use qobject_cast<ActionButton *>(sender())
* in a slot connected to this signal and call activate() on it.
*
* \note you will normally want to connect this signal
* to the activate slot.
*
* \param button the button that has been clicked
* \param checked the checked state, if applicable. Otherwise \c false
*
*/
void clicked(TQAbstractButton *button, bool checked = false);
protected:
ActionButton(ActionButtonPrivate &dd, const TQString &actionId, TQObject *parent = 0);
ActionButtonPrivate * const d_ptr;
private:
Q_PRIVATE_SLOT(d_func(), void updateButton())
Q_PRIVATE_SLOT(d_func(), void streamClicked(bool))
};
}
}
#endif
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