101 lines
3.2 KiB
C++
101 lines
3.2 KiB
C++
/******************************************************************************
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* Copyright 2009 by Aaron Seigo <aseigo@kde.org> *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public License *
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* along with this library; see the file COPYING.LIB. If not, write to *
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, *
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* Boston, MA 02110-1301, USA. *
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*******************************************************************************/
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#ifndef ACTIONWIDGETINTERFACE_P_H
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#define ACTIONWIDGETINTERFACE_P_H
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#include <QAction>
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#include "private/themedwidgetinterface_p.h"
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namespace Plasma
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{
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template <class T>
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class ActionWidgetInterface : public ThemedWidgetInterface<T>
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{
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public:
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ActionWidgetInterface(T *parent)
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: ThemedWidgetInterface<T>(parent),
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action(0)
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{
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}
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virtual ~ActionWidgetInterface()
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{
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setAction(0);
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}
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virtual void changed()
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{
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}
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void clearAction()
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{
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action = 0;
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syncToAction();
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changed();
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}
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void syncToAction()
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{
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if (!action) {
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this->q->setIcon(QIcon());
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this->q->setText(QString());
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this->q->setEnabled(false);
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return;
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}
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//we don't get told *what* changed, just that something changed
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//so we update everything we care about
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this->q->setIcon(action->icon());
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this->q->setText(action->iconText());
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this->q->setEnabled(action->isEnabled());
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this->q->setVisible(action->isVisible());
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if (!this->q->toolTip().isEmpty()) {
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this->q->setToolTip(action->text());
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}
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changed();
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}
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void setAction(QAction *a)
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{
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if (action) {
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QObject::disconnect(action, 0, this->q, 0);
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QObject::disconnect(this->q, 0, action, 0);
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}
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action = a;
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if (action) {
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QObject::connect(action, SIGNAL(changed()), this->q, SLOT(syncToAction()));
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QObject::connect(action, SIGNAL(destroyed(QObject*)), this->q, SLOT(clearAction()));
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QObject::connect(this->q, SIGNAL(clicked()), action, SLOT(trigger()));
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syncToAction();
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}
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}
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QAction *action;
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};
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} // namespace Plasma
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#endif
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