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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "cppeditoroutline.h"
#include "cppeditordocument.h"
#include "cppeditorwidget.h"
#include "cppmodelmanager.h"
#include "cppoutlinemodel.h"
#include "cpptoolssettings.h"
#include <texteditor/texteditor.h>
#include <texteditor/textdocument.h>
#include <coreplugin/editormanager/editormanager.h>
#include <utils/linecolumn.h>
#include <utils/treeviewcombobox.h>
#include <QAction>
#include <QSortFilterProxyModel>
#include <QTimer>
/*!
\class CppEditor::CppEditorOutline
\brief A helper class that provides the outline model and widget,
e.g. for the editor's tool bar.
The caller is responsible for deleting the widget returned by widget().
*/
enum { UpdateOutlineIntervalInMs = 500 };
namespace {
class OutlineProxyModel : public QSortFilterProxyModel
{
Q_OBJECT
public:
OutlineProxyModel(CppEditor::Internal::OutlineModel &sourceModel, QObject *parent)
: QSortFilterProxyModel(parent)
, m_sourceModel(sourceModel)
{
}
bool filterAcceptsRow(int sourceRow,const QModelIndex &sourceParent) const override
{
// Ignore generated symbols, e.g. by macro expansion (Q_OBJECT)
const QModelIndex sourceIndex = m_sourceModel.index(sourceRow, 0, sourceParent);
if (m_sourceModel.isGenerated(sourceIndex))
return false;
return QSortFilterProxyModel::filterAcceptsRow(sourceRow, sourceParent);
}
private:
CppEditor::Internal::OutlineModel &m_sourceModel;
};
QTimer *newSingleShotTimer(QObject *parent, int msInternal, const QString &objectName)
{
auto *timer = new QTimer(parent);
timer->setObjectName(objectName);
timer->setSingleShot(true);
timer->setInterval(msInternal);
return timer;
}
} // anonymous namespace
namespace CppEditor::Internal {
CppEditorOutline::CppEditorOutline(CppEditorWidget *editorWidget)
: QObject(editorWidget)
, m_editorWidget(editorWidget)
, m_combo(new Utils::TreeViewComboBox)
{
m_model = &editorWidget->cppEditorDocument()->outlineModel();
m_proxyModel = new OutlineProxyModel(*m_model, this);
m_proxyModel->setSourceModel(m_model);
// Set up proxy model
if (CppToolsSettings::instance()->sortedEditorDocumentOutline())
m_proxyModel->sort(0, Qt::AscendingOrder);
else
m_proxyModel->sort(-1, Qt::AscendingOrder); // don't sort yet, but set column for sortedOutline()
m_proxyModel->setDynamicSortFilter(true);
// Set up combo box
m_combo->setModel(m_proxyModel);
m_combo->setMinimumContentsLength(13);
QSizePolicy policy = m_combo->sizePolicy();
policy.setHorizontalPolicy(QSizePolicy::Expanding);
m_combo->setSizePolicy(policy);
m_combo->setMaxVisibleItems(40);
m_combo->setContextMenuPolicy(Qt::ActionsContextMenu);
m_sortAction = new QAction(tr("Sort Alphabetically"), m_combo);
m_sortAction->setCheckable(true);
m_sortAction->setChecked(isSorted());
connect(m_sortAction, &QAction::toggled,
CppToolsSettings::instance(),
&CppToolsSettings::setSortedEditorDocumentOutline);
m_combo->addAction(m_sortAction);
connect(m_combo, &QComboBox::activated, this, &CppEditorOutline::gotoSymbolInEditor);
connect(m_combo, &QComboBox::currentIndexChanged, this, &CppEditorOutline::updateToolTip);
connect(m_model, &OutlineModel::modelReset, this, &CppEditorOutline::updateNow);
// Set up timers
m_updateIndexTimer = newSingleShotTimer(this, UpdateOutlineIntervalInMs,
QLatin1String("CppEditorOutline::m_updateIndexTimer"));
connect(m_updateIndexTimer, &QTimer::timeout, this, &CppEditorOutline::updateIndexNow);
}
bool CppEditorOutline::isSorted() const
{
return m_proxyModel->sortColumn() == 0;
}
QWidget *CppEditorOutline::widget() const
{
return m_combo;
}
QSharedPointer<CPlusPlus::Document> getDocument(const QString &filePath)
{
const CPlusPlus::Snapshot snapshot = CppModelManager::instance()->snapshot();
return snapshot.document(filePath);
}
void CppEditorOutline::updateNow()
{
m_combo->view()->expandAll();
updateIndexNow();
}
void CppEditorOutline::updateIndex()
{
m_updateIndexTimer->start();
}
void CppEditorOutline::updateIndexNow()
{
if (m_model->editorRevision() != m_editorWidget->document()->revision()) {
m_editorWidget->cppEditorDocument()->updateOutline();
return;
}
m_updateIndexTimer->stop();
int line = 0, column = 0;
m_editorWidget->convertPosition(m_editorWidget->position(), &line, &column);
QModelIndex comboIndex = m_model->indexForPosition(line, column);
if (comboIndex.isValid()) {
QSignalBlocker blocker(m_combo);
m_combo->setCurrentIndex(m_proxyModel->mapFromSource(comboIndex));
updateToolTip();
}
}
void CppEditorOutline::updateToolTip()
{
m_combo->setToolTip(m_combo->currentText());
}
void CppEditorOutline::gotoSymbolInEditor()
{
const QModelIndex modelIndex = m_combo->view()->currentIndex();
const QModelIndex sourceIndex = m_proxyModel->mapToSource(modelIndex);
const Utils::Link link = m_model->linkFromIndex(sourceIndex);
if (!link.hasValidTarget())
return;
Core::EditorManager::cutForwardNavigationHistory();
Core::EditorManager::addCurrentPositionToNavigationHistory();
m_editorWidget->gotoLine(link.targetLine, link.targetColumn, true, true);
emit m_editorWidget->activateEditor();
}
} // namespace CppEditor::Internal
#include <cppeditoroutline.moc>
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