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/****************************************************************************
**
** Copyright (C) 2017 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 "cppparsecontext.h"
#include "cppeditorwidget.h"
#include <QAction>
#include <QDir>
#include <QDebug>
#include <utils/algorithm.h>
#include <utils/qtcassert.h>
namespace CppEditor {
namespace Internal {
void ParseContextModel::update(const CppTools::ProjectPartInfo &projectPartInfo)
{
beginResetModel();
reset(projectPartInfo);
endResetModel();
emit updated(areMultipleAvailable());
}
QString ParseContextModel::currentToolTip() const
{
const QModelIndex index = createIndex(m_currentIndex, 0);
if (!index.isValid())
return QString();
return tr("<p><b>Active Parse Context</b>:<br/>%1</p>"
"<p>Multiple parse contexts (set of defines, include paths, and so on) "
"are available for this file.</p>"
"<p>Choose a parse context to set it as the preferred one. "
"Clear the preference from the context menu.</p>")
.arg(data(index, Qt::ToolTipRole).toString());
}
void ParseContextModel::setPreferred(int index)
{
if (index < 0)
return;
emit preferredParseContextChanged(m_projectParts[index]->id());
}
void ParseContextModel::clearPreferred()
{
emit preferredParseContextChanged(QString());
}
bool ParseContextModel::areMultipleAvailable() const
{
return m_projectParts.size() >= 2;
}
void ParseContextModel::reset(const CppTools::ProjectPartInfo &projectPartInfo)
{
// Sort
m_hints = projectPartInfo.hints;
m_projectParts = projectPartInfo.projectParts;
Utils::sort(m_projectParts, &CppTools::ProjectPart::displayName);
// Determine index for current
const QString id = projectPartInfo.projectPart->id();
m_currentIndex = Utils::indexOf(m_projectParts, [id](const CppTools::ProjectPart::Ptr &pp) {
return pp->id() == id;
});
QTC_CHECK(m_currentIndex >= 0);
}
int ParseContextModel::currentIndex() const
{
return m_currentIndex;
}
bool ParseContextModel::isCurrentPreferred() const
{
return m_hints & CppTools::ProjectPartInfo::IsPreferredMatch;
}
QString ParseContextModel::currentId() const
{
if (m_currentIndex < 0)
return QString();
return m_projectParts[m_currentIndex]->id();
}
int ParseContextModel::rowCount(const QModelIndex &) const
{
return m_projectParts.size();
}
QVariant ParseContextModel::data(const QModelIndex &index, int role) const
{
if (m_projectParts.isEmpty())
return QVariant();
const int row = index.row();
if (role == Qt::DisplayRole)
return m_projectParts[row]->displayName;
else if (role == Qt::ToolTipRole)
return QDir::toNativeSeparators(m_projectParts[row]->projectFile);
return QVariant();
}
ParseContextWidget::ParseContextWidget(ParseContextModel &parseContextModel, QWidget *parent)
: QComboBox(parent)
, m_parseContextModel(parseContextModel)
{
setSizeAdjustPolicy(QComboBox::AdjustToContents);
QSizePolicy policy = sizePolicy();
policy.setHorizontalStretch(1);
policy.setHorizontalPolicy(QSizePolicy::Maximum);
setSizePolicy(policy);
// Set up context menu with a clear action
setContextMenuPolicy(Qt::ActionsContextMenu);
m_clearPreferredAction = new QAction(tr("Clear Preferred Parse Context"), this);
connect(m_clearPreferredAction, &QAction::triggered,[&]() {
m_parseContextModel.clearPreferred();
});
addAction(m_clearPreferredAction);
// Set up sync of this widget and model in both directions
connect(this,
static_cast<void (QComboBox::*)(int)>(&QComboBox::activated),
&m_parseContextModel,
&ParseContextModel::setPreferred);
connect(&m_parseContextModel, &ParseContextModel::updated,
this, &ParseContextWidget::syncToModel);
// Set up model
setModel(&m_parseContextModel);
}
void ParseContextWidget::syncToModel()
{
const int index = m_parseContextModel.currentIndex();
if (index < 0)
return; // E.g. editor was duplicated but no project context was determined yet.
if (currentIndex() != index)
setCurrentIndex(index);
setToolTip(m_parseContextModel.currentToolTip());
const bool isPreferred = m_parseContextModel.isCurrentPreferred();
m_clearPreferredAction->setEnabled(isPreferred);
CppEditorWidget::updateWidgetHighlighting(this, isPreferred);
}
QSize ParseContextWidget::minimumSizeHint() const
{
// QComboBox always returns the same from sizeHint() and minimumSizeHint().
// We want sizeHint() to be the preferred and maximum size
// (horizontalPolicy == Maximum), but want it to be shrinkable, which is not the case
// if the minimumSizeHint() is the same as sizeHint()
QSize size = QComboBox::minimumSizeHint();
size.setWidth(120);
return size;
}
} // namespace Internal
} // namespace CppEditor
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