src/middleclickactioneventfilter.h

   1 /***************************************************************************
   2  *   Copyright (C) 2017 Kai Uwe Broulik <kde@privat.broulik.de>            *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20 #pragma once
  21
  22 #include "dolphin_export.h"
  23
  24 #include <QObject>
  25 #include <QPointer>
  26
  27 class QAction;
  28
  29 /**
  30  * An event filter that allows to detect a middle click
  31  * to trigger e.g. opening something in a new tab.
  32  */
  33 class DOLPHIN_EXPORT MiddleClickActionEventFilter : public QObject
  34 {
  35     Q_OBJECT
  36
  37 public:
  38     explicit MiddleClickActionEventFilter(QObject *parent);
  39     ~MiddleClickActionEventFilter() override;
  40
  41 signals:
  42     void actionMiddleClicked(QAction *action);
  43
  44 protected:
  45     bool eventFilter(QObject *watched, QEvent *event) override;
  46
  47 private:
  48     QPointer<QAction> m_lastMiddlePressedAction;
  49
  50 };