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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 "cppoutline.h"
#include "cppeditoroutline.h"
#include "cppeditordocument.h"
#include "cppmodelmanager.h"
#include "cppoutlinemodel.h"
#include <coreplugin/find/itemviewfind.h>
#include <coreplugin/editormanager/editormanager.h>
#include <texteditor/textdocument.h>
#include <texteditor/texteditor.h>
#include <utils/linecolumn.h>
#include <utils/qtcassert.h>
#include <QDebug>
#include <QVBoxLayout>
#include <QMenu>
namespace CppEditor {
namespace Internal {
CppOutlineTreeView::CppOutlineTreeView(QWidget *parent) :
Utils::NavigationTreeView(parent)
{
setExpandsOnDoubleClick(false);
setDragEnabled(true);
setDragDropMode(QAbstractItemView::DragOnly);
}
void CppOutlineTreeView::contextMenuEvent(QContextMenuEvent *event)
{
if (!event)
return;
QMenu contextMenu;
QAction *action = contextMenu.addAction(tr("Expand All"));
connect(action, &QAction::triggered, this, &QTreeView::expandAll);
action = contextMenu.addAction(tr("Collapse All"));
connect(action, &QAction::triggered, this, &QTreeView::collapseAll);
contextMenu.exec(event->globalPos());
event->accept();
}
CppOutlineFilterModel::CppOutlineFilterModel(OutlineModel &sourceModel,
QObject *parent)
: QSortFilterProxyModel(parent)
, m_sourceModel(sourceModel)
{
}
bool CppOutlineFilterModel::filterAcceptsRow(int sourceRow,
const QModelIndex &sourceParent) const
{
// ignore artifical "<Select Symbol>" entry
if (!sourceParent.isValid() && sourceRow == 0)
return false;
// 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);
}
Qt::DropActions CppOutlineFilterModel::supportedDragActions() const
{
return sourceModel()->supportedDragActions();
}
CppOutlineWidget::CppOutlineWidget(CppEditorWidget *editor) :
m_editor(editor),
m_treeView(new CppOutlineTreeView(this)),
m_model(&m_editor->cppEditorDocument()->outlineModel()),
m_proxyModel(new CppOutlineFilterModel(*m_model, this)),
m_enableCursorSync(true),
m_blockCursorSync(false),
m_sorted(false)
{
m_proxyModel->setSourceModel(m_model);
auto *layout = new QVBoxLayout;
layout->setContentsMargins(0, 0, 0, 0);
layout->setSpacing(0);
layout->addWidget(Core::ItemViewFind::createSearchableWrapper(m_treeView));
setLayout(layout);
m_treeView->setModel(m_proxyModel);
m_treeView->setSortingEnabled(true);
setFocusProxy(m_treeView);
connect(m_model, &QAbstractItemModel::modelReset, this, &CppOutlineWidget::modelUpdated);
modelUpdated();
connect(m_treeView, &QAbstractItemView::activated,
this, &CppOutlineWidget::onItemActivated);
connect(editor, &QPlainTextEdit::cursorPositionChanged, this, [this] {
if (m_model->rootItem()->hasChildren())
updateIndex();
});
m_updateIndexTimer.setSingleShot(true);
m_updateIndexTimer.setInterval(500);
connect(&m_updateIndexTimer, &QTimer::timeout, this, &CppOutlineWidget::updateIndexNow);
}
QList<QAction*> CppOutlineWidget::filterMenuActions() const
{
return QList<QAction*>();
}
void CppOutlineWidget::setCursorSynchronization(bool syncWithCursor)
{
m_enableCursorSync = syncWithCursor;
if (m_enableCursorSync)
updateIndexNow();
}
bool CppOutlineWidget::isSorted() const
{
return m_sorted;
}
void CppOutlineWidget::setSorted(bool sorted)
{
m_sorted = sorted;
m_proxyModel->sort(m_sorted ? 0 : -1);
}
void CppOutlineWidget::restoreSettings(const QVariantMap &map)
{
setSorted(map.value(QString("CppOutline.Sort"), false).toBool());
}
QVariantMap CppOutlineWidget::settings() const
{
return {{QString("CppOutline.Sort"), m_sorted}};
}
void CppOutlineWidget::modelUpdated()
{
m_treeView->expandAll();
}
void CppOutlineWidget::updateIndex()
{
m_updateIndexTimer.start();
}
void CppOutlineWidget::updateIndexNow()
{
if (!syncCursor())
return;
const auto revision = static_cast<unsigned>(m_editor->document()->revision());
if (m_model->editorRevision() != revision) {
m_editor->cppEditorDocument()->updateOutline();
return;
}
m_updateIndexTimer.stop();
int line = 0, column = 0;
m_editor->convertPosition(m_editor->position(), &line, &column);
QModelIndex index = m_model->indexForPosition(line, column);
if (index.isValid()) {
m_blockCursorSync = true;
QModelIndex proxyIndex = m_proxyModel->mapFromSource(index);
m_treeView->setCurrentIndex(proxyIndex);
m_treeView->scrollTo(proxyIndex);
m_blockCursorSync = false;
}
}
void CppOutlineWidget::updateTextCursor(const QModelIndex &proxyIndex)
{
QModelIndex index = m_proxyModel->mapToSource(proxyIndex);
Utils::LineColumn lineColumn
= m_editor->cppEditorDocument()->outlineModel().lineColumnFromIndex(index);
if (!lineColumn.isValid())
return;
m_blockCursorSync = true;
Core::EditorManager::cutForwardNavigationHistory();
Core::EditorManager::addCurrentPositionToNavigationHistory();
// line has to be 1 based, column 0 based!
m_editor->gotoLine(lineColumn.line, lineColumn.column - 1, true, true);
m_blockCursorSync = false;
}
void CppOutlineWidget::onItemActivated(const QModelIndex &index)
{
if (!index.isValid())
return;
updateTextCursor(index);
m_editor->setFocus();
}
bool CppOutlineWidget::syncCursor()
{
return m_enableCursorSync && !m_blockCursorSync;
}
bool CppOutlineWidgetFactory::supportsEditor(Core::IEditor *editor) const
{
const auto cppEditor = qobject_cast<TextEditor::BaseTextEditor*>(editor);
if (!cppEditor || !CppModelManager::isCppEditor(cppEditor))
return false;
return !CppModelManager::usesClangd(cppEditor->textDocument());
}
TextEditor::IOutlineWidget *CppOutlineWidgetFactory::createWidget(Core::IEditor *editor)
{
const auto cppEditor = qobject_cast<TextEditor::BaseTextEditor*>(editor);
QTC_ASSERT(cppEditor, return nullptr);
const auto cppEditorWidget = qobject_cast<CppEditorWidget*>(cppEditor->widget());
QTC_ASSERT(cppEditorWidget, return nullptr);
return new CppOutlineWidget(cppEditorWidget);
}
} // namespace Internal
} // namespace CppEditor
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