keepassxc/src/gui/Clipboard.cpp
2020-12-20 21:59:32 -05:00

119 lines
3.1 KiB
C++

/*
* Copyright (C) 2017 KeePassXC Team <team@keepassxc.org>
* 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 <QApplication>
#include <QClipboard>
#include <QMimeData>
#include <QTimer>
#include "core/Config.h"
Clipboard* Clipboard::m_instance(nullptr);
#ifdef Q_OS_MACOS
QPointer<MacPasteboard> Clipboard::m_pasteboard(nullptr);
#endif
Clipboard::Clipboard(QObject* parent)
: QObject(parent)
, m_timer(new QTimer(this))
{
#ifdef Q_OS_MACOS
if (!m_pasteboard) {
m_pasteboard = new MacPasteboard();
}
#endif
m_timer->setSingleShot(true);
connect(m_timer, SIGNAL(timeout()), SLOT(clearClipboard()));
connect(qApp, SIGNAL(aboutToQuit()), SLOT(clearCopiedText()));
}
void Clipboard::setText(const QString& text, bool clear)
{
auto* clipboard = QApplication::clipboard();
if (!clipboard) {
qWarning("Unable to access the clipboard.");
return;
}
auto* mime = new QMimeData;
#ifdef Q_OS_MACOS
mime->setText(text);
mime->setData("application/x-nspasteboard-concealed-type", text.toUtf8());
clipboard->setMimeData(mime, QClipboard::Clipboard);
#else
mime->setText(text);
#ifdef Q_OS_LINUX
mime->setData("x-kde-passwordManagerHint", QByteArrayLiteral("secret"));
#endif
#ifdef Q_OS_WIN
mime->setData("ExcludeClipboardContentFromMonitorProcessing", QByteArrayLiteral("1"));
#endif
clipboard->setMimeData(mime, QClipboard::Clipboard);
if (clipboard->supportsSelection()) {
clipboard->setMimeData(mime, QClipboard::Selection);
}
#endif
if (clear) {
m_lastCopied = text;
if (config()->get(Config::Security_ClearClipboard).toBool()) {
int timeout = config()->get(Config::Security_ClearClipboardTimeout).toInt();
if (timeout > 0) {
m_timer->start(timeout * 1000);
}
}
}
}
void Clipboard::clearCopiedText()
{
if (m_timer->isActive()) {
m_timer->stop();
}
clearClipboard();
}
void Clipboard::clearClipboard()
{
auto* clipboard = QApplication::clipboard();
if (!clipboard) {
qWarning("Unable to access the clipboard.");
return;
}
if (m_lastCopied == clipboard->text(QClipboard::Clipboard)
|| m_lastCopied == clipboard->text(QClipboard::Selection)) {
setText("", false);
}
m_lastCopied.clear();
}
Clipboard* Clipboard::instance()
{
if (!m_instance) {
m_instance = new Clipboard(qApp);
}
return m_instance;
}