src/input_filter.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Simple x264 Launcher
   3 // Copyright (C) 2004-2014 LoRd_MuldeR <MuldeR2@GMX.de>
   4 //
   5 // This program is free software; you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation; either version 2 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License along
  16 // with this program; if not, write to the Free Software Foundation, Inc.,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 // http://www.gnu.org/licenses/gpl-2.0.txt
  20 ///////////////////////////////////////////////////////////////////////////////
  21
  22 #include "input_filter.h"
  23
  24 #include "global.h"
  25
  26 #include <QWidget>
  27 #include <QKeyEvent>
  28 #include <QMouseEvent>
  29 #include <QHash>
  30
  31 InputEventFilter::InputEventFilter(QWidget *target)
  32 :
  33         m_target(target),
  34         m_keyMapping(new QHash<int, int>()),
  35         m_mouseMapping(new QHash<int, int>())
  36 {
  37         m_target->installEventFilter(this);
  38 }
  39
  40 InputEventFilter::~InputEventFilter(void)
  41 {
  42         m_target->removeEventFilter(this);
  43         X264_DELETE(m_keyMapping);
  44         X264_DELETE(m_mouseMapping);
  45 }
  46
  47 void InputEventFilter::addKeyFilter(const int &keyCode, const int &tag)
  48 {
  49         m_keyMapping->insert(keyCode, tag);
  50 }
  51
  52 void InputEventFilter::addMouseFilter(const int &mouseCode, const int &tag)
  53 {
  54         m_mouseMapping->insert(mouseCode, tag);
  55 }
  56
  57 bool InputEventFilter::eventFilter(QObject *obj, QEvent *event)
  58 {
  59         if(obj == m_target)
  60         {
  61                 if(event->type() == QEvent::KeyPress)
  62                 {
  63                         QKeyEvent *keyEvent = dynamic_cast<QKeyEvent*>(event);
  64                         if(keyEvent)
  65                         {
  66                                 return eventFilter(keyEvent);
  67                         }
  68                 }
  69                 else if(event->type() == QEvent::MouseButtonPress)
  70                 {
  71                         QMouseEvent *mouseEvent = dynamic_cast<QMouseEvent*>(event);
  72                         if(mouseEvent)
  73                         {
  74                                 return eventFilter(mouseEvent);
  75                         }
  76                 }
  77         }
  78         return false;
  79 }
  80
  81 bool InputEventFilter::eventFilter(QKeyEvent *keyEvent)
  82 {
  83         const int keyCode = keyEvent->key() | keyEvent->modifiers();
  84         if(m_keyMapping->contains(keyCode))
  85         {
  86                 emit keyPressed(m_keyMapping->value(keyCode));
  87                 return true;
  88         }
  89         return false;
  90 }
  91
  92 bool InputEventFilter::eventFilter(QMouseEvent *mouseEvent)
  93 {
  94         if(m_mouseMapping->contains(mouseEvent->button()))
  95         {
  96                 emit mouseClicked(m_mouseMapping->value(mouseEvent->button()));
  97                 return true;
  98         }
  99         return false;
 100 }