linenumberfilter.cpp 3.91 KB
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/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of Qt Creator.
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**
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** 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 Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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**
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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****************************************************************************/
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#include "linenumberfilter.h"
#include "itexteditor.h"

#include <coreplugin/editormanager/editormanager.h>
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#include <coreplugin/coreconstants.h>
#include <coreplugin/modemanager.h>
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#include <QMetaType>
#include <QPair>
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#include <QVariant>
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typedef QPair<int,int> LineColumn;
Q_DECLARE_METATYPE(LineColumn)

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using namespace Core;
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using namespace Locator;
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using namespace TextEditor;
using namespace TextEditor::Internal;

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LineNumberFilter::LineNumberFilter(QObject *parent)
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  : ILocatorFilter(parent)
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{
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    setId("Line in current document");
    setDisplayName(tr("Line in Current Document"));
    setPriority(High);
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    setShortcutString(QString(QLatin1Char('l')));
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    setIncludedByDefault(true);
}

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QList<FilterEntry> LineNumberFilter::matchesFor(QFutureInterface<Locator::FilterEntry> &, const QString &entry)
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{
    QList<FilterEntry> value;
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    QStringList lineAndColumn = entry.split(QLatin1Char(':'));
    int sectionCount = lineAndColumn.size();
    int line = 0;
    int column = 0;
    if (sectionCount > 0)
        line = lineAndColumn.at(0).toInt();
    if (sectionCount > 1)
        column = lineAndColumn.at(1).toInt();
    if (currentTextEditor() && (line > 0 || column > 0)) {
        LineColumn data;
        data.first = line;
        data.second = column - 1;  // column API is 0-based
        QString text;
        if (line > 0 && column > 0)
            text = tr("Line %1, Column %2").arg(line).arg(column);
        else if (line > 0)
            text = tr("Line %1").arg(line);
        else
            text = tr("Column %1").arg(column);
        value.append(FilterEntry(this, text, QVariant::fromValue(data)));
    }
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    return value;
}

void LineNumberFilter::accept(FilterEntry selection) const
{
    ITextEditor *editor = currentTextEditor();
    if (editor) {
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        Core::EditorManager *editorManager = Core::EditorManager::instance();
        editorManager->addCurrentPositionToNavigationHistory();
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        LineColumn data = selection.internalData.value<LineColumn>();
        if (data.first < 1) { // jump to column in same line
            int currLine, currColumn;
            editor->convertPosition(editor->position(), &currLine, &currColumn);
            data.first = currLine;
        }
        editor->gotoLine(data.first, data.second);
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        editor->widget()->setFocus();
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        Core::ModeManager::activateModeType(Id(Core::Constants::MODE_EDIT_TYPE));
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    }
}

ITextEditor *LineNumberFilter::currentTextEditor() const
{
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    return qobject_cast<TextEditor::ITextEditor *>(EditorManager::currentEditor());
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}