mirror of
https://invent.kde.org/system/dolphin
synced 2024-09-12 12:54:29 +00:00
164 lines
5.9 KiB
C++
164 lines
5.9 KiB
C++
/***************************************************************************
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* Copyright (C) 2008 by Peter Penz <peter.penz@gmx.at> *
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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; either version 2 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 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, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
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***************************************************************************/
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#include "selectionmanager.h"
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#include "dolphinmodel.h"
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#include "selectiontoggle.h"
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#include <kdirmodel.h>
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#include <kiconeffect.h>
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#include <QAbstractButton>
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#include <QAbstractItemView>
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#include <QAbstractProxyModel>
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#include <QModelIndex>
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#include <QPainter>
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#include <QPaintEvent>
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#include <QRect>
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#include <QTimeLine>
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SelectionManager::SelectionManager(QAbstractItemView* parent) :
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QObject(parent),
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m_view(parent),
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m_toggle(0),
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m_connected(false)
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{
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connect(parent, SIGNAL(entered(const QModelIndex&)),
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this, SLOT(slotEntered(const QModelIndex&)));
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connect(parent, SIGNAL(viewportEntered()),
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this, SLOT(slotViewportEntered()));
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m_toggle = new SelectionToggle(m_view->viewport());
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m_toggle->setCheckable(true);
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m_toggle->hide();
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connect(m_toggle, SIGNAL(clicked(bool)),
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this, SLOT(setItemSelected(bool)));
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}
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SelectionManager::~SelectionManager()
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{
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}
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void SelectionManager::reset()
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{
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m_toggle->reset();
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}
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void SelectionManager::slotEntered(const QModelIndex& index)
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{
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m_toggle->hide();
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if (index.isValid() && (index.column() == DolphinModel::Name)) {
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m_toggle->setUrl(urlForIndex(index));
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if (!m_connected) {
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connect(m_view->model(), SIGNAL(rowsRemoved(const QModelIndex&, int, int)),
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this, SLOT(slotRowsRemoved(const QModelIndex&, int, int)));
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connect(m_view->selectionModel(),
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SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
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this,
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SLOT(slotSelectionChanged(const QItemSelection&, const QItemSelection&)));
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m_connected = true;
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}
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const QRect rect = m_view->visualRect(index);
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const int gap = 2;
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const int x = rect.left() + gap;
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const int y = rect.top() + gap;
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m_toggle->move(QPoint(x, y));
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QItemSelectionModel* selModel = m_view->selectionModel();
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m_toggle->setChecked(selModel->isSelected(index));
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m_toggle->show();
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} else {
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m_toggle->setUrl(KUrl());
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disconnect(m_view->model(), SIGNAL(rowsRemoved(const QModelIndex&, int, int)),
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this, SLOT(slotRowsRemoved(const QModelIndex&, int, int)));
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disconnect(m_view->selectionModel(),
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SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
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this,
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SLOT(slotSelectionChanged(const QItemSelection&, const QItemSelection&)));
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m_connected = false;
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}
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}
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void SelectionManager::slotViewportEntered()
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{
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m_toggle->hide();
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}
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void SelectionManager::setItemSelected(bool selected)
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{
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emit selectionChanged();
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const QModelIndex index = indexForUrl(m_toggle->url());
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if (index.isValid()) {
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QItemSelectionModel* selModel = m_view->selectionModel();
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if (selected) {
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selModel->select(index, QItemSelectionModel::Select);
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} else {
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selModel->select(index, QItemSelectionModel::Deselect);
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}
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selModel->setCurrentIndex(index, QItemSelectionModel::Current);
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}
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}
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void SelectionManager::slotRowsRemoved(const QModelIndex& parent, int start, int end)
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{
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Q_UNUSED(parent);
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Q_UNUSED(start);
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Q_UNUSED(end);
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m_toggle->hide();
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}
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void SelectionManager::slotSelectionChanged(const QItemSelection& selected,
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const QItemSelection& deselected)
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{
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// The selection has been changed outside the scope of the selection manager
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// (e. g. by the rubberband or the "Select All" action). Take care updating
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// the state of the toggle button.
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const QModelIndex index = indexForUrl(m_toggle->url());
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if (index.isValid()) {
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if (selected.contains(index)) {
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m_toggle->setChecked(true);
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}
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if (deselected.contains(index)) {
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m_toggle->setChecked(false);
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}
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}
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}
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KUrl SelectionManager::urlForIndex(const QModelIndex& index) const
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{
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QAbstractProxyModel* proxyModel = static_cast<QAbstractProxyModel*>(m_view->model());
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KDirModel* dirModel = static_cast<KDirModel*>(proxyModel->sourceModel());
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const QModelIndex dirIndex = proxyModel->mapToSource(index);
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return dirModel->itemForIndex(dirIndex).url();
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}
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const QModelIndex SelectionManager::indexForUrl(const KUrl& url) const
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{
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QAbstractProxyModel* proxyModel = static_cast<QAbstractProxyModel*>(m_view->model());
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KDirModel* dirModel = static_cast<KDirModel*>(proxyModel->sourceModel());
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const QModelIndex dirIndex = dirModel->indexForUrl(url);
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return proxyModel->mapFromSource(dirIndex);
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}
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#include "selectionmanager.moc"
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