Files
qBittorrent/src/gui/macosshiftclickhandler.cpp
2025-02-19 13:53:49 +03:00

74 lines
3.1 KiB
C++

/*
* Bittorrent Client using Qt and libtorrent.
* Copyright (C) 2025 Luke Memet (lukemmtt)
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* In addition, as a special exception, the copyright holders give permission to
* link this program with the OpenSSL project's "OpenSSL" library (or with
* modified versions of it that use the same license as the "OpenSSL" library),
* and distribute the linked executables. You must obey the GNU General Public
* License in all respects for all of the code used other than "OpenSSL". If you
* modify file(s), you may extend this exception to your version of the file(s),
* but you are not obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*/
#include "macosshiftclickhandler.h"
#include <QMouseEvent>
#include <QTreeView>
MacOSShiftClickHandler::MacOSShiftClickHandler(QTreeView *treeView)
: QObject(treeView)
, m_treeView {treeView}
{
treeView->installEventFilter(this);
}
bool MacOSShiftClickHandler::eventFilter(QObject *watched, QEvent *event)
{
if ((watched == m_treeView) && (event->type() == QEvent::MouseButtonPress))
{
const auto *mouseEvent = static_cast<QMouseEvent *>(event);
if (mouseEvent->button() != Qt::LeftButton)
return false;
const QModelIndex clickedIndex = m_treeView->indexAt(mouseEvent->position().toPoint());
if (!clickedIndex.isValid())
return false;
const Qt::KeyboardModifiers modifiers = mouseEvent->modifiers();
const bool shiftPressed = modifiers.testFlag(Qt::ShiftModifier);
if (shiftPressed && m_lastClickedIndex.isValid())
{
const QItemSelection selection(m_lastClickedIndex, clickedIndex);
const bool commandPressed = modifiers.testFlag(Qt::ControlModifier);
if (commandPressed)
m_treeView->selectionModel()->select(selection, (QItemSelectionModel::Select | QItemSelectionModel::Rows));
else
m_treeView->selectionModel()->select(selection, (QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows));
m_treeView->selectionModel()->setCurrentIndex(clickedIndex, QItemSelectionModel::NoUpdate);
return true;
}
if (!modifiers.testFlags(Qt::AltModifier | Qt::MetaModifier))
m_lastClickedIndex = clickedIndex;
}
return QObject::eventFilter(watched, event);
}