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/* keyboardfocusindication.cpp - Helper for extended keyboard focus indication.
* Copyright (C) 2022 g10 Code GmbH
*
* Software engineering by Ingo Klöcker <dev@ingo-kloecker.de>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses/>.
* SPDX-License-Identifier: GPL-2.0+
*/
#include "keyboardfocusindication.h"
#include "focusframe.h"
#include <QApplication>
KeyboardFocusIndication::KeyboardFocusIndication(QObject *parent)
: QObject{parent}
{
connect(qApp, &QApplication::focusChanged, this, &KeyboardFocusIndication::updateFocusFrame);
}
void KeyboardFocusIndication::updateFocusFrame(QWidget *, QWidget *focusWidget)
{
if (focusWidget && focusWidget->inherits("QLabel") && focusWidget->window()->testAttribute(Qt::WA_KeyboardFocusChange)) {
if (!focusFrame) {
focusFrame = new FocusFrame{focusWidget};
}
focusFrame->setWidget(focusWidget);
} else if (focusFrame) {
focusFrame->setWidget(nullptr);
}
}
#include "keyboardfocusindication.moc"
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