File indexing completed on 2024-04-28 05:26:22

 /*
  * SPDX-FileCopyrightText: 2014 Hugo Pereira Da Costa <hugo.pereira@free.fr>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #include "breezemnemonics.h"
 
 #include <QKeyEvent>
 #include <QWidget>
 
 namespace Breeze
 {
 //____________________________________________________
 void Mnemonics::setMode(int mode)
 {
     switch (mode) {
     case StyleConfigData::MN_NEVER:
         qApp->removeEventFilter(this);
         setEnabled(false);
         break;
 
     default:
     case StyleConfigData::MN_ALWAYS:
         qApp->removeEventFilter(this);
         setEnabled(true);
         break;
 
     case StyleConfigData::MN_AUTO:
         qApp->removeEventFilter(this);
         qApp->installEventFilter(this);
         setEnabled(false);
         break;
     }
 }
 
 //____________________________________________________
 bool Mnemonics::eventFilter(QObject *, QEvent *event)
 {
     switch (event->type()) {
     case QEvent::KeyPress:
         if (static_cast<QKeyEvent *>(event)->key() == Qt::Key_Alt) {
             setEnabled(true);
         }
         break;
 
     case QEvent::KeyRelease:
         if (static_cast<QKeyEvent *>(event)->key() == Qt::Key_Alt) {
             setEnabled(false);
         }
         break;
 
     case QEvent::ApplicationStateChange:
         setEnabled(false);
         break;
 
     default:
         break;
     }
 
     return false;
 }
 
 //____________________________________________________
 void Mnemonics::setEnabled(bool value)
 {
     if (_enabled == value) {
         return;
     }
 
     _enabled = value;
 
     // update all top level widgets
     const auto widgets = qApp->topLevelWidgets();
     for (QWidget *widget : widgets) {
         widget->update();
     }
 }
 
 }