keepassxc/src/gui/Clipboard.cpp
Felix Geyer 6e206704f9 Make sure the clipboard is cleared before the QApplication instance is destroyed.
Also add safety check so we don't try to use the clipboard if it's not available.
2012-08-04 22:06:41 +02:00

94 lines
2.5 KiB
C++

/*
* Copyright (C) 2012 Felix Geyer <debfx@fobos.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 or (at your option)
* version 3 of the License.
*
* 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 <http://www.gnu.org/licenses/>.
*/
#include "Clipboard.h"
#include <QtCore/QTimer>
#include <QtGui/QApplication>
#include <QtGui/QClipboard>
#if defined(Q_OS_UNIX) && !defined(Q_OS_MAC)
#include <QtDBus/QDBusConnection>
#include <QtDBus/QDBusMessage>
#endif
#include "core/Config.h"
Clipboard* Clipboard::m_instance(Q_NULLPTR);
Clipboard::Clipboard(QObject* parent)
: QObject(parent)
, m_timer(new QTimer(this))
{
m_timer->setSingleShot(true);
connect(m_timer, SIGNAL(timeout()), SLOT(clearClipboard()));
connect(qApp, SIGNAL(aboutToQuit()), SLOT(cleanup()));
}
void Clipboard::setText(const QString& text)
{
QClipboard* clipboard = QApplication::clipboard();
clipboard->setText(text, QClipboard::Clipboard);
if (clipboard->supportsSelection()) {
clipboard->setText(text, QClipboard::Selection);
}
if (config()->get("security/clearclipboard").toBool()) {
int timeout = config()->get("security/clearclipboardtimeout").toInt();
if (timeout > 0) {
m_timer->start(timeout * 1000);
}
}
}
void Clipboard::clearClipboard()
{
QClipboard* clipboard = QApplication::clipboard();
if (!clipboard) {
qWarning("Unable to access the clipboard.");
return;
}
clipboard->clear(QClipboard::Clipboard);
if (clipboard->supportsSelection()) {
clipboard->clear(QClipboard::Selection);
}
#if defined(Q_OS_UNIX) && !defined(Q_OS_MAC)
QDBusMessage message = QDBusMessage::createMethodCall("org.kde.klipper", "/klipper", "", "clearClipboardHistory");
QDBusConnection::sessionBus().send(message);
#endif
}
void Clipboard::cleanup()
{
if (m_timer->isActive()) {
m_timer->stop();
clearClipboard();
}
}
Clipboard* Clipboard::instance()
{
if (!m_instance) {
m_instance = new Clipboard(qApp);
}
return m_instance;
}