src/input_filter.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Simple x264 Launcher
   3 // Copyright (C) 2004-2018 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 //Internal
  25 #include "global.h"
  26
  27 //MUTils
  28 #include <MUtils/Global.h>
  29
  30 //Qt
  31 #include <QWidget>
  32 #include <QKeyEvent>
  33 #include <QMouseEvent>
  34 #include <QHash>
  35
  36 InputEventFilter::InputEventFilter(QWidget *target)
  37 :
  38         m_target(target),
  39         m_keyMapping(new QHash<int, int>()),
  40         m_mouseMapping(new QHash<int, int>())
  41 {
  42         m_target->installEventFilter(this);
  43 }
  44
  45 InputEventFilter::~InputEventFilter(void)
  46 {
  47         m_target->removeEventFilter(this);
  48         MUTILS_DELETE(m_keyMapping);
  49         MUTILS_DELETE(m_mouseMapping);
  50 }
  51
  52 void InputEventFilter::addKeyFilter(const int &keyCode, const int &tag)
  53 {
  54         m_keyMapping->insert(keyCode, tag);
  55 }
  56
  57 void InputEventFilter::addMouseFilter(const int &mouseCode, const int &tag)
  58 {
  59         m_mouseMapping->insert(mouseCode, tag);
  60 }
  61
  62 bool InputEventFilter::eventFilter(QObject *obj, QEvent *event)
  63 {
  64         if(obj == m_target)
  65         {
  66                 if(event->type() == QEvent::KeyPress)
  67                 {
  68                         QKeyEvent *keyEvent = dynamic_cast<QKeyEvent*>(event);
  69                         if(keyEvent)
  70                         {
  71                                 return eventFilter(keyEvent);
  72                         }
  73                 }
  74                 else if(event->type() == QEvent::MouseButtonPress)
  75                 {
  76                         QMouseEvent *mouseEvent = dynamic_cast<QMouseEvent*>(event);
  77                         if(mouseEvent)
  78                         {
  79                                 return eventFilter(mouseEvent);
  80                         }
  81                 }
  82         }
  83         return false;
  84 }
  85
  86 bool InputEventFilter::eventFilter(QKeyEvent *keyEvent)
  87 {
  88         const int keyCode = keyEvent->key() | keyEvent->modifiers();
  89         if(m_keyMapping->contains(keyCode))
  90         {
  91                 emit keyPressed(m_keyMapping->value(keyCode));
  92                 return true;
  93         }
  94         return false;
  95 }
  96
  97 bool InputEventFilter::eventFilter(QMouseEvent *mouseEvent)
  98 {
  99         if(m_mouseMapping->contains(mouseEvent->button()))
 100         {
 101                 emit mouseClicked(m_mouseMapping->value(mouseEvent->button()));
 102                 return true;
 103         }
 104         return false;
 105 }