Line data    Source code

       1             : 
       2             : /* Copyright (c) 2014-2016, Daniel Nachbaur <danielnachbaur@gmail.com>
       3             :  *
       4             :  * This library is free software; you can redistribute it and/or modify it under
       5             :  * the terms of the GNU Lesser General Public License version 2.1 as published
       6             :  * by the Free Software Foundation.
       7             :  *
       8             :  * This library is distributed in the hope that it will be useful, but WITHOUT
       9             :  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
      10             :  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
      11             :  * details.
      12             :  *
      13             :  * You should have received a copy of the GNU Lesser General Public License
      14             :  * along with this library; if not, write to the Free Software Foundation, Inc.,
      15             :  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      16             :  */
      17             : 
      18             : #ifndef EQ_QT_EVENTHANDLER_H
      19             : #define EQ_QT_EVENTHANDLER_H
      20             : 
      21             : #include <QObject>           // base class
      22             : #include <eq/eventHandler.h> // base class
      23             : #include <eq/qt/types.h>
      24             : 
      25             : namespace eq
      26             : {
      27             : namespace qt
      28             : {
      29             : /** The event handler for Qt windows.
      30             :  *
      31             :  * If needed, reposts Qt events to the thread which called the constructor
      32             :  * before processing them.
      33             :  */
      34             : class EventHandler : public QObject, public eq::EventHandler
      35             : {
      36             : public:
      37             :     /** Construct a new Qt event handler. @version 1.7.3 */
      38             :     explicit EventHandler(WindowIF& window);
      39             : 
      40             :     /** Destruct the Qt event handler. @version  1.7.3 */
      41             :     ~EventHandler() final;
      42             : 
      43             :     /** @return the handled parent window */
      44           0 :     WindowIF& getWindow() { return _window; }
      45             : private:
      46             :     WindowIF& _window;
      47             : 
      48             :     bool event(QEvent* evt) override;
      49             : 
      50             :     bool _processEvent(QEvent* event);
      51             :     bool _processSizeEvent(EventType, QEvent*);
      52             :     bool _processPointerEvent(EventType, QEvent*);
      53             :     bool _processWheelEvent(QEvent*);
      54             :     bool _processKeyEvent(EventType, QEvent*);
      55             : };
      56             : }
      57             : }
      58             : #endif // EQ_QT_EVENTHANDLER_H