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90 lines
3.3 KiB
C++
90 lines
3.3 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2018 Edouard Griffiths, F4EXB //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include <QEvent>
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#include <QKeyEvent>
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#include "commandkeyreceiver.h"
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const std::vector<Qt::Key> CommandKeyReceiver::m_composeKeys = {Qt::Key_Shift, Qt::Key_Control, Qt::Key_Meta, Qt::Key_Alt, Qt::Key_AltGr};
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CommandKeyReceiver::CommandKeyReceiver() :
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m_release(false),
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m_pass(true)
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{
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}
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bool CommandKeyReceiver::eventFilter(QObject* obj, QEvent* event)
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{
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if (event->type() == QEvent::KeyPress)
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{
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QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
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if ((!keyEvent->isAutoRepeat()) && (!isComposeKey(static_cast<Qt::Key>(keyEvent->key()))))
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{
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// qDebug("KeyReceiver::eventFilter: KeyPress");
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Qt::Key key;
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Qt::KeyboardModifiers keyModifiers;
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keyEventHandler(keyEvent, key, keyModifiers);
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emit capturedKey(key, keyModifiers, false);
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if (!m_pass) { // do not pass the event
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return true;
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}
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}
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}
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else if (m_release && (event->type()==QEvent::KeyRelease))
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{
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QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
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if ((!keyEvent->isAutoRepeat()) && (!isComposeKey(static_cast<Qt::Key>(keyEvent->key()))))
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{
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// qDebug("KeyReceiver::eventFilter: KeyRelease");
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Qt::Key key;
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Qt::KeyboardModifiers keyModifiers;
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keyEventHandler(keyEvent, key, keyModifiers);
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emit capturedKey(key, keyModifiers, true);
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if (!m_pass) { // do not pass the event
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return true;
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}
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}
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}
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return QObject::eventFilter(obj, event); // pass the event on
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}
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void CommandKeyReceiver::keyEventHandler(QKeyEvent *e, Qt::Key& key, Qt::KeyboardModifiers& keyModifiers)
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{
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key = static_cast<Qt::Key>(e->key());
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if (e->modifiers())
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{
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keyModifiers = e->modifiers();
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}
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else
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{
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keyModifiers = Qt::NoModifier;
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}
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}
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bool CommandKeyReceiver::isComposeKey(Qt::Key key)
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{
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auto it = std::find(m_composeKeys.begin(), m_composeKeys.end(), key);
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return it != m_composeKeys.end();
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}
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