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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "openpageswidget.h"
#include "centralwidget.h"
#include "openpagesmodel.h"
#include <coreplugin/coreconstants.h>
#include <QAbstractItemModel>
#include <QApplication>
#include <QMenu>
using namespace Help::Internal;
// -- OpenPagesWidget
OpenPagesWidget::OpenPagesWidget(OpenPagesModel *sourceModel, QWidget *parent)
: OpenDocumentsTreeView(parent)
, m_allowContextMenu(true)
{
setModel(sourceModel);
setContextMenuPolicy(Qt::CustomContextMenu);
updateCloseButtonVisibility();
connect(this, &OpenDocumentsTreeView::activated,
this, &OpenPagesWidget::handleActivated);
connect(this, &OpenDocumentsTreeView::closeActivated,
this, &OpenPagesWidget::handleCloseActivated);
connect(this, &OpenDocumentsTreeView::customContextMenuRequested,
this, &OpenPagesWidget::contextMenuRequested);
connect(model(), SIGNAL(rowsInserted(QModelIndex,int,int)),
this, SLOT(updateCloseButtonVisibility()));
connect(model(), SIGNAL(rowsRemoved(QModelIndex,int,int)),
this, SLOT(updateCloseButtonVisibility()));
}
OpenPagesWidget::~OpenPagesWidget()
{
}
void OpenPagesWidget::selectCurrentPage()
{
QItemSelectionModel * const selModel = selectionModel();
selModel->clearSelection();
selModel->select(model()->index(CentralWidget::instance()->currentIndex(), 0),
QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows);
scrollTo(currentIndex());
}
void OpenPagesWidget::allowContextMenu(bool ok)
{
m_allowContextMenu = ok;
}
// -- private slots
void OpenPagesWidget::contextMenuRequested(QPoint pos)
{
QModelIndex index = indexAt(pos);
if (!index.isValid() || !m_allowContextMenu)
return;
if (index.column() == 1)
index = index.sibling(index.row(), 0);
QMenu contextMenu;
QAction *closeEditor = contextMenu.addAction(tr("Close %1").arg(index.data()
.toString()));
QAction *closeOtherEditors = contextMenu.addAction(tr("Close All Except %1")
.arg(index.data().toString()));
if (model()->rowCount() == 1) {
closeEditor->setEnabled(false);
closeOtherEditors->setEnabled(false);
}
QAction *action = contextMenu.exec(mapToGlobal(pos));
if (action == closeEditor)
emit closePage(index);
else if (action == closeOtherEditors)
emit closePagesExcept(index);
}
void OpenPagesWidget::handleActivated(const QModelIndex &index)
{
if (index.column() == 0) {
emit setCurrentPage(index);
} else if (index.column() == 1) { // the funky close button
if (model()->rowCount() > 1)
emit closePage(index);
// work around a bug in itemviews where the delegate wouldn't get the QStyle::State_MouseOver
QWidget *vp = viewport();
const QPoint &cursorPos = QCursor::pos();
QMouseEvent e(QEvent::MouseMove, vp->mapFromGlobal(cursorPos), cursorPos, Qt::NoButton, 0, 0);
QCoreApplication::sendEvent(vp, &e);
}
}
void OpenPagesWidget::handleCloseActivated(const QModelIndex &index)
{
if (model()->rowCount() > 1)
emit closePage(index);
}
void OpenPagesWidget::updateCloseButtonVisibility()
{
setCloseButtonVisible(model() && model()->rowCount() > 1);
}
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