mainwindow.cpp 41.2 KB
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/**************************************************************************
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**
** This file is part of Qt Creator
**
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** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** Commercial Usage
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**
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** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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**
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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
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** If you are unsure which license is appropriate for your use, please
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** contact the sales department at http://www.qtsoftware.com/contact.
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**
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**************************************************************************/
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#include "mainwindow.h"
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#include "actioncontainer.h"
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#include "actionmanager_p.h"
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#include "basemode.h"
#include "coreimpl.h"
#include "coreconstants.h"
#include "editormanager.h"
#include "fancytabwidget.h"
#include "filemanager.h"
#include "generalsettings.h"
#include "ifilefactory.h"
#include "messagemanager.h"
#include "modemanager.h"
#include "mimedatabase.h"
#include "newdialog.h"
#include "outputpane.h"
#include "plugindialog.h"
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#include "progressmanager_p.h"
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#include "progressview.h"
#include "shortcutsettings.h"
#include "vcsmanager.h"
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#include "scriptmanager_p.h"
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#include "settingsdialog.h"
#include "stylehelper.h"
#include "variablemanager.h"
#include "versiondialog.h"
#include "viewmanager.h"
#include "uniqueidmanager.h"
#include "manhattanstyle.h"
#include "dialogs/iwizard.h"
#include "navigationwidget.h"
#include "rightpane.h"
#include "editormanager/ieditorfactory.h"
#include "baseview.h"
#include "basefilewizard.h"
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#include "ioutputpane.h"
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#include <coreplugin/findplaceholder.h>
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#include <coreplugin/settingsdatabase.h>
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#include <utils/pathchooser.h>
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#include <extensionsystem/pluginmanager.h>
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#include <QtCore/QDebug>
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#include <QtCore/QFileInfo>
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#include <QtCore/QSettings>
#include <QtCore/QTimer>
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#include <QtCore/QtPlugin>
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#include <QtCore/QUrl>
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#include <QtGui/QApplication>
#include <QtGui/QCloseEvent>
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#include <QtGui/QMenu>
#include <QtGui/QPixmap>
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#include <QtGui/QPrinter>
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#include <QtGui/QShortcut>
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#include <QtGui/QStatusBar>
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#include <QtGui/QToolBar>
#include <QtGui/QWizard>
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/*
#ifdef Q_OS_UNIX
#include <signal.h>
extern "C" void handleSigInt(int sig)
{
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    Q_UNUSED(sig)
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    Core::ICore::instance()->exit();
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    qDebug() << "SIGINT caught. Shutting down.";
}
#endif
*/

using namespace Core;
using namespace Core::Internal;

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static const char *uriListMimeFormatC = "text/uri-list";
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enum { debugMainWindow = 0 };
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MainWindow::MainWindow() :
    QMainWindow(),
    m_coreImpl(new CoreImpl(this)),
    m_uniqueIDManager(new UniqueIDManager()),
    m_globalContext(QList<int>() << Constants::C_GLOBAL_ID),
    m_additionalContexts(m_globalContext),
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    m_settings(new QSettings(QSettings::IniFormat, QSettings::UserScope,
                             QLatin1String("Nokia"), QLatin1String("QtCreator"), this)),
    m_settingsDatabase(new SettingsDatabase(QFileInfo(m_settings->fileName()).path(),
                                            QLatin1String("QtCreator"),
                                            this)),
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    m_printer(0),
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    m_actionManager(new ActionManagerPrivate(this)),
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    m_editorManager(0),
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    m_fileManager(new FileManager(this)),
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    m_progressManager(new ProgressManagerPrivate()),
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    m_scriptManager(new ScriptManagerPrivate(this)),
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    m_variableManager(new VariableManager(this)),
    m_vcsManager(new VCSManager()),
    m_viewManager(0),
    m_modeManager(0),
    m_mimeDatabase(new MimeDatabase),
    m_navigationWidget(0),
    m_rightPaneWidget(0),
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    m_versionDialog(0),
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    m_activeContext(0),
    m_outputMode(0),
    m_generalSettings(new GeneralSettings),
    m_shortcutSettings(new ShortcutSettings),
    m_focusToEditor(0),
    m_newAction(0),
    m_openAction(0),
    m_openWithAction(0),
    m_saveAllAction(0),
    m_exitAction(0),
    m_optionsAction(0),
    m_toggleSideBarAction(0),
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    m_toggleFullScreenAction(0),
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#ifdef Q_WS_MAC
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    m_minimizeAction(0),
    m_zoomAction(0),
#endif
    m_toggleSideBarButton(new QToolButton)
{
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    OutputPaneManager::create();

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    setWindowTitle(tr("Qt Creator"));
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#ifndef Q_WS_MAC
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    qApp->setWindowIcon(QIcon(":/core/images/qtcreator_logo_128.png"));
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#endif
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    QCoreApplication::setApplicationName(QLatin1String("QtCreator"));
    QCoreApplication::setApplicationVersion(QLatin1String(Core::Constants::IDE_VERSION_LONG));
    QCoreApplication::setOrganizationName(QLatin1String("Nokia"));
    QSettings::setDefaultFormat(QSettings::IniFormat);
    QString baseName = qApp->style()->objectName();
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#ifdef Q_WS_X11    
    if (baseName == QLatin1String("windows")) {
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        // Sometimes we get the standard windows 95 style as a fallback
        // e.g. if we are running on a KDE4 desktop
        QByteArray desktopEnvironment = qgetenv("DESKTOP_SESSION");
        if (desktopEnvironment == "kde")
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            baseName = QLatin1String("plastique");
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        else
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            baseName = QLatin1String("cleanlooks");
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    }
#endif
    qApp->setStyle(new ManhattanStyle(baseName));

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    setDockNestingEnabled(true);

    setCorner(Qt::BottomLeftCorner, Qt::LeftDockWidgetArea);
    setCorner(Qt::BottomRightCorner, Qt::BottomDockWidgetArea);

    registerDefaultContainers();
    registerDefaultActions();

    m_navigationWidget = new NavigationWidget(m_toggleSideBarAction);
    m_rightPaneWidget = new RightPaneWidget();

    m_modeStack = new FancyTabWidget(this);
    m_modeManager = new ModeManager(this, m_modeStack);
    m_modeManager->addWidget(m_progressManager->progressView());
    m_viewManager = new ViewManager(this);
    m_messageManager = new MessageManager;
    m_editorManager = new EditorManager(m_coreImpl, this);
    m_editorManager->hide();
    setCentralWidget(m_modeStack);

    connect(QApplication::instance(), SIGNAL(focusChanged(QWidget*,QWidget*)),
            this, SLOT(updateFocusWidget(QWidget*,QWidget*)));
    // Add a small Toolbutton for toggling the navigation widget
    m_toggleSideBarButton->setProperty("type", QLatin1String("dockbutton"));
    statusBar()->insertPermanentWidget(0, m_toggleSideBarButton);

//    setUnifiedTitleAndToolBarOnMac(true);
#ifdef Q_OS_UNIX
     //signal(SIGINT, handleSigInt);
#endif

    statusBar()->setProperty("p_styled", true);
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    setAcceptDrops(true);
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}

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void MainWindow::setSidebarVisible(bool visible)
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{
    if (NavigationWidgetPlaceHolder::current()) {
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        if (m_navigationWidget->isSuppressed() && visible) {
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            m_navigationWidget->setShown(true);
            m_navigationWidget->setSuppressed(false);
        } else {
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            m_navigationWidget->setShown(visible);
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        }
    }
}

void MainWindow::setSuppressNavigationWidget(bool suppress)
{
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    if (NavigationWidgetPlaceHolder::current())
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        m_navigationWidget->setSuppressed(suppress);
}

MainWindow::~MainWindow()
{
    hide();
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    ExtensionSystem::PluginManager *pm = ExtensionSystem::PluginManager::instance();
    pm->removeObject(m_shortcutSettings);
    pm->removeObject(m_generalSettings);
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    delete m_messageManager;
    m_messageManager = 0;
    delete m_shortcutSettings;
    m_shortcutSettings = 0;
    delete m_generalSettings;
    m_generalSettings = 0;
    delete m_settings;
    m_settings = 0;
    delete m_printer;
    m_printer = 0;
    delete m_uniqueIDManager;
    m_uniqueIDManager = 0;
    delete m_vcsManager;
    m_vcsManager = 0;
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    pm->removeObject(m_outputMode);
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    delete m_outputMode;
    m_outputMode = 0;
    //we need to delete editormanager and viewmanager explicitly before the end of the destructor,
    //because they might trigger stuff that tries to access data from editorwindow, like removeContextWidget

    // All modes are now gone
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    OutputPaneManager::destroy();
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    // Now that the OutputPaneManager is gone, is a good time to delete the view
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    pm->removeObject(m_outputView);
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    delete m_outputView;

    delete m_editorManager;
    m_editorManager = 0;
    delete m_viewManager;
    m_viewManager = 0;
    delete m_progressManager;
    m_progressManager = 0;
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    pm->removeObject(m_coreImpl);
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    delete m_coreImpl;
    m_coreImpl = 0;

    delete m_rightPaneWidget;
    m_rightPaneWidget = 0;

    delete m_navigationWidget;
    m_navigationWidget = 0;

    delete m_modeManager;
    m_modeManager = 0;
    delete m_mimeDatabase;
    m_mimeDatabase = 0;
}

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bool MainWindow::init(QString *errorMessage)
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{
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    Q_UNUSED(errorMessage)
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    ExtensionSystem::PluginManager *pm = ExtensionSystem::PluginManager::instance();
    pm->addObject(m_coreImpl);
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    m_viewManager->init();
    m_modeManager->init();
    m_progressManager->init();
    QWidget *outputModeWidget = new QWidget;
    outputModeWidget->setLayout(new QVBoxLayout);
    outputModeWidget->layout()->setMargin(0);
    outputModeWidget->layout()->setSpacing(0);
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    m_outputMode = new BaseMode;
    m_outputMode->setName(tr("Output"));
    m_outputMode->setUniqueModeName(Constants::MODE_OUTPUT);
    m_outputMode->setIcon(QIcon(QLatin1String(":/fancyactionbar/images/mode_Output.png")));
    m_outputMode->setPriority(Constants::P_MODE_OUTPUT);
    m_outputMode->setWidget(outputModeWidget);
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    OutputPanePlaceHolder *oph = new OutputPanePlaceHolder(m_outputMode);
    oph->setCloseable(false);
    outputModeWidget->layout()->addWidget(oph);
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    oph->setVisible(true); // since the output pane placeholder is invisible at startup by default (which makes sense in most cases)
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    outputModeWidget->layout()->addWidget(new Core::FindToolBarPlaceHolder(m_outputMode));
    outputModeWidget->setFocusProxy(oph);

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    connect(m_modeManager, SIGNAL(currentModeChanged(Core::IMode*)),
            this, SLOT(modeChanged(Core::IMode*)), Qt::QueuedConnection);

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    m_outputMode->setContext(m_globalContext);
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    pm->addObject(m_outputMode);
    pm->addObject(m_generalSettings);
    pm->addObject(m_shortcutSettings);
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    // Add widget to the bottom, we create the view here instead of inside the
    // OutputPaneManager, since the ViewManager needs to be initilized before
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    m_outputView = new Core::BaseView;
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    m_outputView->setUniqueViewName("OutputWindow");
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    m_outputView->setWidget(OutputPaneManager::instance()->buttonsWidget());
    m_outputView->setDefaultPosition(Core::IView::Second);
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    pm->addObject(m_outputView);
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    return true;
}

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void MainWindow::modeChanged(Core::IMode *mode)
{
    if (mode == m_outputMode) {        
        int idx = OutputPaneManager::instance()->m_widgetComboBox->itemData(OutputPaneManager::instance()->m_widgetComboBox->currentIndex()).toInt();
        IOutputPane *out = OutputPaneManager::instance()->m_pageMap.value(idx);
        if (out && out->canFocus())
            out->setFocus();
    }
}

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void MainWindow::extensionsInitialized()
{
    m_editorManager->init();

    m_viewManager->extensionsInitalized();

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    m_messageManager->init();
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    OutputPaneManager::instance()->init();
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    m_actionManager->initialize();
    readSettings();
    updateContext();

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    emit m_coreImpl->coreAboutToOpen();
    show();
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    emit m_coreImpl->coreOpened();
}

void MainWindow::closeEvent(QCloseEvent *event)
{
    emit m_coreImpl->saveSettingsRequested();

    // Save opened files
    bool cancelled;
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    QList<IFile*> notSaved = fileManager()->saveModifiedFiles(fileManager()->modifiedFiles(), &cancelled);
    if (cancelled || !notSaved.isEmpty()) {
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        event->ignore();
        return;
    }

    const QList<ICoreListener *> listeners =
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        ExtensionSystem::PluginManager::instance()->getObjects<ICoreListener>();
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    foreach (ICoreListener *listener, listeners) {
        if (!listener->coreAboutToClose()) {
            event->ignore();
            return;
        }
    }

    emit m_coreImpl->coreAboutToClose();
    writeSettings();
    event->accept();
}

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// Check for desktop file manager file drop events

static bool isDesktopFileManagerDrop(const QMimeData *d, QStringList *files = 0)
{
    if (files)
        files->clear();
    // Extract dropped files from Mime data.
    if (!d->hasFormat(QLatin1String(uriListMimeFormatC)))
        return false;
    const QList<QUrl> urls = d->urls();
    if (urls.empty())
        return false;
    // Try to find local files
    bool hasFiles = false;
    const QList<QUrl>::const_iterator cend = urls.constEnd();
    for (QList<QUrl>::const_iterator it = urls.constBegin(); it != cend; ++it) {
        const QString fileName = it->toLocalFile();
        if (!fileName.isEmpty()) {
            hasFiles = true;
            if (files) {
                files->push_back(fileName);
            } else {
                break; // No result list, sufficient for checking
            }
        }
    }
    return hasFiles;
}

void MainWindow::dragEnterEvent(QDragEnterEvent *event)
{
    if (isDesktopFileManagerDrop(event->mimeData())) {
        event->accept();
    } else {
        event->ignore();
    }
}

void MainWindow::dropEvent(QDropEvent *event)
{
    QStringList files;
    if (isDesktopFileManagerDrop(event->mimeData(), &files)) {
        event->accept();
        openFiles(files);
    } else {
        event->ignore();
    }
}

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IContext *MainWindow::currentContextObject() const
{
    return m_activeContext;
}

QStatusBar *MainWindow::statusBar() const
{
    return m_modeStack->statusBar();
}

void MainWindow::registerDefaultContainers()
{
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    ActionManagerPrivate *am = m_actionManager;
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    ActionContainer *menubar = am->createMenuBar(Constants::MENU_BAR);
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#ifndef Q_WS_MAC // System menu bar on Mac
    setMenuBar(menubar->menuBar());
#endif
    menubar->appendGroup(Constants::G_FILE);
    menubar->appendGroup(Constants::G_EDIT);
    menubar->appendGroup(Constants::G_VIEW);
    menubar->appendGroup(Constants::G_TOOLS);
    menubar->appendGroup(Constants::G_WINDOW);
    menubar->appendGroup(Constants::G_HELP);

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    // File Menu
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    ActionContainer *filemenu = am->createMenu(Constants::M_FILE);
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    menubar->addMenu(filemenu, Constants::G_FILE);
    filemenu->menu()->setTitle(tr("&File"));
    filemenu->appendGroup(Constants::G_FILE_NEW);
    filemenu->appendGroup(Constants::G_FILE_OPEN);
    filemenu->appendGroup(Constants::G_FILE_PROJECT);
    filemenu->appendGroup(Constants::G_FILE_SAVE);
    filemenu->appendGroup(Constants::G_FILE_CLOSE);
    filemenu->appendGroup(Constants::G_FILE_PRINT);
    filemenu->appendGroup(Constants::G_FILE_OTHER);
    connect(filemenu->menu(), SIGNAL(aboutToShow()), this, SLOT(aboutToShowRecentFiles()));


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    // Edit Menu
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    ActionContainer *medit = am->createMenu(Constants::M_EDIT);
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    menubar->addMenu(medit, Constants::G_EDIT);
    medit->menu()->setTitle(tr("&Edit"));
    medit->appendGroup(Constants::G_EDIT_UNDOREDO);
    medit->appendGroup(Constants::G_EDIT_COPYPASTE);
    medit->appendGroup(Constants::G_EDIT_SELECTALL);
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    medit->appendGroup(Constants::G_EDIT_ADVANCED);
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    medit->appendGroup(Constants::G_EDIT_FIND);
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    medit->appendGroup(Constants::G_EDIT_OTHER);

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    // Tools Menu
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    ActionContainer *ac = am->createMenu(Constants::M_TOOLS);
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    menubar->addMenu(ac, Constants::G_TOOLS);
    ac->menu()->setTitle(tr("&Tools"));

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    // Window Menu
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    ActionContainer *mwindow = am->createMenu(Constants::M_WINDOW);
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    menubar->addMenu(mwindow, Constants::G_WINDOW);
    mwindow->menu()->setTitle(tr("&Window"));
    mwindow->appendGroup(Constants::G_WINDOW_SIZE);
    mwindow->appendGroup(Constants::G_WINDOW_PANES);
    mwindow->appendGroup(Constants::G_WINDOW_SPLIT);
    mwindow->appendGroup(Constants::G_WINDOW_NAVIGATE);
    mwindow->appendGroup(Constants::G_WINDOW_OTHER);

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    // Help Menu
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    ac = am->createMenu(Constants::M_HELP);
    menubar->addMenu(ac, Constants::G_HELP);
    ac->menu()->setTitle(tr("&Help"));
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    ac->appendGroup(Constants::G_HELP_HELP);
    ac->appendGroup(Constants::G_HELP_ABOUT);
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}

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static Command *createSeparator(ActionManager *am, QObject *parent,
                                const QString &name,
                                const QList<int> &context)
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{
    QAction *tmpaction = new QAction(parent);
    tmpaction->setSeparator(true);
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    Command *cmd = am->registerAction(tmpaction, name, context);
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    return cmd;
}

void MainWindow::registerDefaultActions()
{
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    ActionManagerPrivate *am = m_actionManager;
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    ActionContainer *mfile = am->actionContainer(Constants::M_FILE);
    ActionContainer *medit = am->actionContainer(Constants::M_EDIT);
    ActionContainer *mtools = am->actionContainer(Constants::M_TOOLS);
    ActionContainer *mwindow = am->actionContainer(Constants::M_WINDOW);
    ActionContainer *mhelp = am->actionContainer(Constants::M_HELP);
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    // File menu separators
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    Command *cmd = createSeparator(am, this, QLatin1String("QtCreator.File.Sep.Save"), m_globalContext);
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    mfile->addAction(cmd, Constants::G_FILE_SAVE);

    cmd =  createSeparator(am, this, QLatin1String("QtCreator.File.Sep.Print"), m_globalContext);
    mfile->addAction(cmd, Constants::G_FILE_PRINT);

    cmd =  createSeparator(am, this, QLatin1String("QtCreator.File.Sep.Close"), m_globalContext);
    mfile->addAction(cmd, Constants::G_FILE_CLOSE);

    cmd = createSeparator(am, this, QLatin1String("QtCreator.File.Sep.Other"), m_globalContext);
    mfile->addAction(cmd, Constants::G_FILE_OTHER);

    // Edit menu separators
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    cmd = createSeparator(am, this, QLatin1String("QtCreator.Edit.Sep.CopyPaste"), m_globalContext);
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    medit->addAction(cmd, Constants::G_EDIT_COPYPASTE);

    cmd = createSeparator(am, this, QLatin1String("QtCreator.Edit.Sep.SelectAll"), m_globalContext);
    medit->addAction(cmd, Constants::G_EDIT_SELECTALL);

    cmd = createSeparator(am, this, QLatin1String("QtCreator.Edit.Sep.Find"), m_globalContext);
    medit->addAction(cmd, Constants::G_EDIT_FIND);

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    cmd = createSeparator(am, this, QLatin1String("QtCreator.Edit.Sep.Advanced"), m_globalContext);
    medit->addAction(cmd, Constants::G_EDIT_ADVANCED);
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    // Tools menu separators
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    cmd = createSeparator(am, this, QLatin1String("QtCreator.Tools.Sep.Options"), m_globalContext);
    mtools->addAction(cmd, Constants::G_DEFAULT_THREE);

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    // Return to editor shortcut: Note this requires Qt to fix up
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    // handling of shortcut overrides in menus, item views, combos....
    m_focusToEditor = new QShortcut(this);
    cmd = am->registerShortcut(m_focusToEditor, Constants::S_RETURNTOEDITOR, m_globalContext);
    cmd->setDefaultKeySequence(QKeySequence(Qt::Key_Escape));
    connect(m_focusToEditor, SIGNAL(activated()), this, SLOT(setFocusToEditor()));

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    // New File Action
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    m_newAction = new QAction(QIcon(Constants::ICON_NEWFILE), tr("&New..."), this);
    cmd = am->registerAction(m_newAction, Constants::NEW, m_globalContext);
    cmd->setDefaultKeySequence(QKeySequence::New);
    mfile->addAction(cmd, Constants::G_FILE_NEW);
    connect(m_newAction, SIGNAL(triggered()), this, SLOT(newFile()));

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    // Open Action
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    m_openAction = new QAction(QIcon(Constants::ICON_OPENFILE), tr("&Open..."), this);
    cmd = am->registerAction(m_openAction, Constants::OPEN, m_globalContext);
    cmd->setDefaultKeySequence(QKeySequence::Open);
    mfile->addAction(cmd, Constants::G_FILE_OPEN);
    connect(m_openAction, SIGNAL(triggered()), this, SLOT(openFile()));

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    // Open With Action
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    m_openWithAction = new QAction(tr("&Open With..."), this);
    cmd = am->registerAction(m_openWithAction, Constants::OPEN_WITH, m_globalContext);
    mfile->addAction(cmd, Constants::G_FILE_OPEN);
    connect(m_openWithAction, SIGNAL(triggered()), this, SLOT(openFileWith()));

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    // File->Recent Files Menu
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    ActionContainer *ac = am->createMenu(Constants::M_FILE_RECENTFILES);
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    mfile->addMenu(ac, Constants::G_FILE_OPEN);
    ac->menu()->setTitle(tr("Recent Files"));

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    // Save Action
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    QAction *tmpaction = new QAction(QIcon(Constants::ICON_SAVEFILE), tr("&Save"), this);
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    cmd = am->registerAction(tmpaction, Constants::SAVE, m_globalContext);
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    cmd->setDefaultKeySequence(QKeySequence::Save);
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    cmd->setAttribute(Command::CA_UpdateText);
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    cmd->setDefaultText(tr("&Save"));
    mfile->addAction(cmd, Constants::G_FILE_SAVE);

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    // Save As Action
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    tmpaction = new QAction(tr("Save &As..."), this);
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    cmd = am->registerAction(tmpaction, Constants::SAVEAS, m_globalContext);
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    cmd->setDefaultKeySequence(QKeySequence(tr("Ctrl+Shift+S")));
#endif
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    cmd->setAttribute(Command::CA_UpdateText);
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    cmd->setDefaultText(tr("Save &As..."));
    mfile->addAction(cmd, Constants::G_FILE_SAVE);

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    // SaveAll Action
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    m_saveAllAction = new QAction(tr("Save A&ll"), this);
    cmd = am->registerAction(m_saveAllAction, Constants::SAVEALL, m_globalContext);
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    cmd->setDefaultKeySequence(QKeySequence(tr("Ctrl+Shift+S")));
#endif
    mfile->addAction(cmd, Constants::G_FILE_SAVE);
    connect(m_saveAllAction, SIGNAL(triggered()), this, SLOT(saveAll()));

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    // Print Action
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    tmpaction = new QAction(tr("&Print..."), this);
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    cmd = am->registerAction(tmpaction, Constants::PRINT, m_globalContext);
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    mfile->addAction(cmd, Constants::G_FILE_PRINT);

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    // Exit Action
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    m_exitAction = new QAction(tr("E&xit"), this);
    cmd = am->registerAction(m_exitAction, Constants::EXIT, m_globalContext);
    cmd->setDefaultKeySequence(QKeySequence(tr("Ctrl+Q")));
    mfile->addAction(cmd, Constants::G_FILE_OTHER);
    connect(m_exitAction, SIGNAL(triggered()), this, SLOT(exit()));

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    // Undo Action
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    tmpaction = new QAction(QIcon(Constants::ICON_UNDO), tr("&Undo"), this);
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    cmd = am->registerAction(tmpaction, Constants::UNDO, m_globalContext);
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    cmd->setDefaultKeySequence(QKeySequence::Undo);
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    cmd->setAttribute(Command::CA_UpdateText);
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    cmd->setDefaultText(tr("&Undo"));
    medit->addAction(cmd, Constants::G_EDIT_UNDOREDO);
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    tmpaction->setEnabled(false);
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    // Redo Action
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    tmpaction = new QAction(QIcon(Constants::ICON_REDO), tr("&Redo"), this);
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    cmd = am->registerAction(tmpaction, Constants::REDO, m_globalContext);
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    cmd->setDefaultKeySequence(QKeySequence::Redo);
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    cmd->setAttribute(Command::CA_UpdateText);
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    cmd->setDefaultText(tr("&Redo"));
    medit->addAction(cmd, Constants::G_EDIT_UNDOREDO);
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    tmpaction->setEnabled(false);
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    // Cut Action
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    tmpaction = new QAction(QIcon(Constants::ICON_CUT), tr("Cu&t"), this);
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    cmd = am->registerAction(tmpaction, Constants::CUT, m_globalContext);
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    cmd->setDefaultKeySequence(QKeySequence::Cut);
    medit->addAction(cmd, Constants::G_EDIT_COPYPASTE);
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    tmpaction->setEnabled(false);
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    // Copy Action
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    tmpaction = new QAction(QIcon(Constants::ICON_COPY), tr("&Copy"), this);
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    cmd = am->registerAction(tmpaction, Constants::COPY, m_globalContext);
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    cmd->setDefaultKeySequence(QKeySequence::Copy);
    medit->addAction(cmd, Constants::G_EDIT_COPYPASTE);
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    tmpaction->setEnabled(false);
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    // Paste Action
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    tmpaction = new QAction(QIcon(Constants::ICON_PASTE), tr("&Paste"), this);
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    cmd = am->registerAction(tmpaction, Constants::PASTE, m_globalContext);
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    cmd->setDefaultKeySequence(QKeySequence::Paste);
    medit->addAction(cmd, Constants::G_EDIT_COPYPASTE);
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    tmpaction->setEnabled(false);
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    // Select All
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    tmpaction = new QAction(tr("&Select All"), this);
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    cmd = am->registerAction(tmpaction, Constants::SELECTALL, m_globalContext);
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    cmd->setDefaultKeySequence(QKeySequence::SelectAll);
    medit->addAction(cmd, Constants::G_EDIT_SELECTALL);
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    tmpaction->setEnabled(false);
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    // Goto Action
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    tmpaction = new QAction(tr("&Go To Line..."), this);
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    cmd = am->registerAction(tmpaction, Constants::GOTO, m_globalContext);
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    cmd->setDefaultKeySequence(QKeySequence(tr("Ctrl+L")));
    medit->addAction(cmd, Constants::G_EDIT_OTHER);
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    tmpaction->setEnabled(false);
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    // Options Action
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    m_optionsAction = new QAction(tr("&Options..."), this);
    cmd = am->registerAction(m_optionsAction, Constants::OPTIONS, m_globalContext);
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#ifdef Q_WS_MAC
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    cmd->setDefaultKeySequence(QKeySequence("Ctrl+,"));
#endif
    mtools->addAction(cmd, Constants::G_DEFAULT_THREE);
    connect(m_optionsAction, SIGNAL(triggered()), this, SLOT(showOptionsDialog()));

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#ifdef Q_WS_MAC
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    // Minimize Action
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    m_minimizeAction = new QAction(tr("Minimize"), this);
    cmd = am->registerAction(m_minimizeAction, Constants::MINIMIZE_WINDOW, m_globalContext);
    cmd->setDefaultKeySequence(QKeySequence("Ctrl+M"));
    mwindow->addAction(cmd, Constants::G_WINDOW_SIZE);
    connect(m_minimizeAction, SIGNAL(triggered()), this, SLOT(showMinimized()));

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    // Zoom Action
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    m_zoomAction = new QAction(tr("Zoom"), this);
    cmd = am->registerAction(m_zoomAction, Constants::ZOOM_WINDOW, m_globalContext);
    mwindow->addAction(cmd, Constants::G_WINDOW_SIZE);
    connect(m_zoomAction, SIGNAL(triggered()), this, SLOT(showMaximized()));

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    // Window separator
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    cmd = createSeparator(am, this, QLatin1String("QtCreator.Window.Sep.Size"), m_globalContext);
    mwindow->addAction(cmd, Constants::G_WINDOW_SIZE);
#endif

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    // Show Sidebar Action
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    m_toggleSideBarAction = new QAction(QIcon(Constants::ICON_TOGGLE_SIDEBAR),
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                                        tr("Show Sidebar"), this);
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    m_toggleSideBarAction->setCheckable(true);
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    cmd = am->registerAction(m_toggleSideBarAction, Constants::TOGGLE_SIDEBAR, m_globalContext);
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#ifdef Q_WS_MAC
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    cmd->setDefaultKeySequence(QKeySequence("Ctrl+0"));
#else
    cmd->setDefaultKeySequence(QKeySequence("Alt+0"));
#endif
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    connect(m_toggleSideBarAction, SIGNAL(triggered(bool)), this, SLOT(setSidebarVisible(bool)));
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    m_toggleSideBarButton->setDefaultAction(cmd->action());
    mwindow->addAction(cmd, Constants::G_WINDOW_PANES);
    m_toggleSideBarAction->setEnabled(false);

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#ifndef Q_WS_MAC
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    // Full Screen Action
    m_toggleFullScreenAction = new QAction(tr("Full Screen"), this);
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    m_toggleFullScreenAction->setCheckable(true);
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    cmd = am->registerAction(m_toggleFullScreenAction, Constants::TOGGLE_FULLSCREEN, m_globalContext);
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    cmd->setDefaultKeySequence(QKeySequence("Ctrl+Shift+F11"));
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    mwindow->addAction(cmd, Constants::G_WINDOW_SIZE);
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    connect(m_toggleFullScreenAction, SIGNAL(triggered(bool)), this, SLOT(setFullScreen(bool)));
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#endif
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    // About IDE Action
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    tmpaction = new QAction(tr("About &Qt Creator"), this); // it's convention not to add dots to the about menu
#else
    tmpaction = new QAction(tr("About &Qt Creator..."), this);
#endif
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    cmd = am->registerAction(tmpaction, Constants::ABOUT_QTCREATOR, m_globalContext);
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    mhelp->addAction(cmd, Constants::G_HELP_ABOUT);
    tmpaction->setEnabled(true);
    connect(tmpaction, SIGNAL(triggered()), this,  SLOT(aboutQtCreator()));
    //About Plugins Action
    tmpaction = new QAction(tr("About &Plugins..."), this);
    cmd = am->registerAction(tmpaction, Constants::ABOUT_PLUGINS, m_globalContext);
    mhelp->addAction(cmd, Constants::G_HELP_ABOUT);
    tmpaction->setEnabled(true);
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#ifdef Q_WS_MAC
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    cmd->action()->setMenuRole(QAction::ApplicationSpecificRole);
#endif
    connect(tmpaction, SIGNAL(triggered()), this,  SLOT(aboutPlugins()));
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    // About Qt Action
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//    tmpaction = new QAction(tr("About &Qt..."), this);
//    cmd = am->registerAction(tmpaction, Constants:: ABOUT_QT, m_globalContext);
//    mhelp->addAction(cmd, Constants::G_HELP_ABOUT);
//    tmpaction->setEnabled(true);
//    connect(tmpaction, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
    // About sep
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#ifndef Q_WS_MAC // doesn't have the "About" actions in the Help menu
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    tmpaction = new QAction(this);
    tmpaction->setSeparator(true);
    cmd = am->registerAction(tmpaction, QLatin1String("QtCreator.Help.Sep.About"), m_globalContext);
    mhelp->addAction(cmd, Constants::G_HELP_ABOUT);
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#endif
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}

void MainWindow::newFile()
{
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    showNewItemDialog(tr("New...", "Title of dialog"), IWizard::allWizards());
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}

void MainWindow::openFile()
{
    openFiles(editorManager()->getOpenFileNames());
}

static QList<IFileFactory*> getNonEditorFileFactories()
{
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    const QList<IFileFactory*> allFileFactories =
        ExtensionSystem::PluginManager::instance()->getObjects<IFileFactory>();
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    QList<IFileFactory*> nonEditorFileFactories;
    foreach (IFileFactory *factory, allFileFactories) {
        if (!qobject_cast<IEditorFactory *>(factory))
            nonEditorFileFactories.append(factory);
    }
    return nonEditorFileFactories;
}

static IFileFactory *findFileFactory(const QList<IFileFactory*> &fileFactories,
                                     const MimeDatabase *db,
                                     const QFileInfo &fi)
{
    if (const MimeType mt = db->findByFile(fi)) {
        const QString type = mt.type();
        foreach (IFileFactory *factory, fileFactories) {
            if (factory->mimeTypes().contains(type))
                return factory;
        }
    }
    return 0;
}

// opens either an editor or loads a project
void MainWindow::openFiles(const QStringList &fileNames)
{
    bool needToSwitchToEditor = false;
    QList<IFileFactory*> nonEditorFileFactories = getNonEditorFileFactories();

    foreach (const QString &fileName, fileNames) {
        const QFileInfo fi(fileName);
        const QString absoluteFilePath = fi.absoluteFilePath();
        if (IFileFactory *fileFactory = findFileFactory(nonEditorFileFactories, mimeDatabase(), fi)) {
            fileFactory->open(absoluteFilePath);
        } else {
            IEditor *editor = editorManager()->openEditor(absoluteFilePath);
            if (editor)
                needToSwitchToEditor = true;
        }
    }
    if (needToSwitchToEditor)
        editorManager()->ensureEditorManagerVisible();
}

void MainWindow::setFocusToEditor()
{
    QWidget *focusWidget = qApp->focusWidget();
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    if (!EditorManager::instance()->isVisible())
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    {
        m_coreImpl->modeManager()->activateMode(QLatin1String(Constants::MODE_EDIT));
    }

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    if (IEditor *editor = m_editorManager->currentEditor())
            editor->widget()->setFocus();

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    bool focusWasAlreadyInEditor = (focusWidget && focusWidget == qApp->focusWidget());
    if (focusWasAlreadyInEditor) {
        bool stuffVisible =
                (FindToolBarPlaceHolder::getCurrent() &&
                 FindToolBarPlaceHolder::getCurrent()->isVisible())
             || (OutputPanePlaceHolder::getCurrent() &&
                 OutputPanePlaceHolder::getCurrent()->isVisible())
             || (RightPanePlaceHolder::current() &&
                 RightPanePlaceHolder::current()->isVisible());
        if (stuffVisible) {
            if (FindToolBarPlaceHolder::getCurrent())
                FindToolBarPlaceHolder::getCurrent()->hide();
            OutputPaneManager::instance()->slotHide();
            RightPaneWidget::instance()->setShown(false);
        } else {
            m_coreImpl->modeManager()->activateMode(QLatin1String(Constants::MODE_EDIT));
        }
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    }
}

QStringList MainWindow::showNewItemDialog(const QString &title,
                                          const QList<IWizard *> &wizards,
                                          const QString &defaultLocation)
{
    QString defaultDir = defaultLocation;
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    if (defaultDir.isEmpty() && !m_coreImpl->fileManager()->currentFile().isEmpty())
        defaultDir = QFileInfo(m_coreImpl->fileManager()->currentFile()).absolutePath();
    if (defaultDir.isEmpty())
        defaultDir = Core::Utils::PathChooser::homePath();
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    // Scan for wizards matching the filter and pick one. Don't show
    // dialog if there is only one.
    IWizard *wizard = 0;
    switch (wizards.size()) {
    case 0:
        break;
    case 1:
        wizard = wizards.front();
        break;
    default: {
        NewDialog dlg(this);
        dlg.setWizards(wizards);
        dlg.setWindowTitle(title);
        wizard = dlg.showDialog();
    }
        break;
    }

    if (!wizard)
        return QStringList();
    return wizard->runWizard(defaultDir, this);
}

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bool MainWindow::showOptionsDialog(const QString &category,
                                   const QString &page,
                                   QWidget *parent)
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{
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    emit m_coreImpl->optionsDialogRequested();
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    if (!parent)
        parent = this;
    SettingsDialog dlg(parent, category, page);
    return dlg.execDialog();
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}

void MainWindow::saveAll()
{
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    m_fileManager->saveModifiedFilesSilently(m_fileManager->modifiedFiles());
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    emit m_coreImpl->saveSettingsRequested();
}

void MainWindow::exit()
{
    // this function is most likely called from a user action
    // that is from an event handler of an object
    // since on close we are going to delete everything
    // so to prevent the deleting of that object we
    // just append it
    QTimer::singleShot(0, this,  SLOT(close()));
}

void MainWindow::openFileWith()
{
    QStringList fileNames = editorManager()->getOpenFileNames();
    foreach (const QString &fileName, fileNames) {
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        bool isExternal;
        const QString editorKind = editorManager()->getOpenWithEditorKind(fileName, &isExternal);
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        if (editorKind.isEmpty())
            continue;
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        if (isExternal) {
            editorManager()->openExternalEditor(fileName, editorKind);
        } else {
            editorManager()->openEditor(fileName, editorKind);
        }
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    }
}

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ActionManager *MainWindow::actionManager() const
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{
    return m_actionManager;
}

FileManager *MainWindow::fileManager() const
{
    return m_fileManager;
}

UniqueIDManager *MainWindow::uniqueIDManager() const
{
    return m_uniqueIDManager;
}

MessageManager *MainWindow::messageManager() const
{
    return m_messageManager;
}

VCSManager *MainWindow::vcsManager() const
{
    return m_vcsManager;
}

EditorManager *MainWindow::editorManager() const
{
    return m_editorManager;
}

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ProgressManager *MainWindow::progressManager() const
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{
    return m_progressManager;
}

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ScriptManager *MainWindow::scriptManager() const
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{
     return m_scriptManager;
}

VariableManager *MainWindow::variableManager() const
{
     return m_variableManager;
}

ModeManager *MainWindow::modeManager() const
{
    return m_modeManager;
}

MimeDatabase *MainWindow::mimeDatabase() const
{
    return m_mimeDatabase;
}

IContext *MainWindow::contextObject(QWidget *widget)
{
    return m_contextWidgets.value(widget);
}

void MainWindow::addContextObject(IContext *context)
{
    if (!context)
        return;
    QWidget *widget = context->widget();
    if (m_contextWidgets.contains(widget))
        return;

    m_contextWidgets.insert(widget, context);
}

void MainWindow::removeContextObject(IContext *context)
{
    if (!context)
        return;

    QWidget *widget = context->widget();
    if (!m_contextWidgets.contains(widget))
        return;

    m_contextWidgets.remove(widget);
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    if (m_activeContext == context)
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        updateContextObject(0);
}

void MainWindow::changeEvent(QEvent *e)
{
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    QMainWindow::changeEvent(e);
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    if (e->type() == QEvent::ActivationChange) {
        if (isActiveWindow()) {
            if (debugMainWindow)
                qDebug() << "main window activated";
            emit windowActivated();
        }
    } else if (e->type() == QEvent::WindowStateChange) {
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#ifdef Q_WS_MAC
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        bool minimized = isMinimized();
        if (debugMainWindow)
            qDebug() << "main window state changed to minimized=" << minimized;
        m_minimizeAction->setEnabled(!minimized);
        m_zoomAction->setEnabled(!minimized);
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#else
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        bool isFullScreen = (windowState() & Qt::WindowFullScreen) != 0;
        m_toggleFullScreenAction->setChecked(isFullScreen);
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#endif
    }
}

void MainWindow::updateFocusWidget(QWidget *old, QWidget *now)
{
    Q_UNUSED(old)
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    // Prevent changing the context object just because the menu is activated
    if (qobject_cast<QMenuBar*>(now))
        return;

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    IContext *newContext = 0;
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    if (focusWidget()) {
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        IContext *context = 0;
        QWidget *p = focusWidget();
        while (p) {
            context = m_contextWidgets.value(p);
            if (context) {
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                newContext = context;
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                break;
            }
            p = p->parentWidget();
        }
    }
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    updateContextObject(newContext);
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}

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void MainWindow::updateContextObject(IContext *context)
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{
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    if (context == m_activeContext)
        return;
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    IContext *oldContext = m_activeContext;
    m_activeContext = context;
    if (!context || oldContext != m_activeContext) {
        emit m_coreImpl->contextAboutToChange(context);
        updateContext();
        if (debugMainWindow)
            qDebug() << "new context object =" << context << (context ? context->widget() : 0)
                     << (context ? context->widget()->metaObject()->className() : 0);
        emit m_coreImpl->contextChanged(context);
    }
}

void MainWindow::resetContext()
{
    updateContextObject(0);
}

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void MainWindow::shutdown()
{
    disconnect(QApplication::instance(), SIGNAL(focusChanged(QWidget*,QWidget*)),
               this, SLOT(updateFocusWidget(QWidget*,QWidget*)));
    m_activeContext = 0;
}

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static const char *settingsGroup = "MainWindow";
static const char *geometryKey = "Geometry";
static const char *colorKey = "Color";
static const char *maxKey = "Maximized";
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static const char *fullScreenKey = "FullScreen";
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void MainWindow::readSettings()
{
    m_settings->beginGroup(QLatin1String(settingsGroup));
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    StyleHelper::setBaseColor(m_settings->value(QLatin1String(colorKey)).value<QColor>());
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    const QVariant geom = m_settings->value(QLatin1String(geometryKey));
    if (geom.isValid()) {
        setGeometry(geom.toRect());
    } else {
        resize(1024, 700);
    }
    if (m_settings->value(QLatin1String(maxKey), false).toBool())
        setWindowState(Qt::WindowMaximized);
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    setFullScreen(m_settings->value(QLatin1String(fullScreenKey), false).toBool());
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    m_settings->endGroup();
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    m_editorManager->readSettings();
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    m_navigationWidget->restoreSettings(m_settings);
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    m_rightPaneWidget->readSettings(m_settings);
}

void MainWindow::writeSettings()
{
    m_settings->beginGroup(QLatin1String(settingsGroup));
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    m_settings->setValue(QLatin1String(colorKey), StyleHelper::baseColor());

    if (windowState() & (Qt::WindowMaximized | Qt::WindowFullScreen)) {
        m_settings->setValue(QLatin1String(maxKey), (bool) (windowState() & Qt::WindowMaximized));
        m_settings->setValue(QLatin1String(fullScreenKey), (bool) (windowState() & Qt::WindowFullScreen));
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    } else {
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        m_settings->setValue(QLatin1String(maxKey), false);
        m_settings->setValue(QLatin1String(fullScreenKey), false);
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        m_settings->setValue(QLatin1String(geometryKey), geometry());
    }
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    m_settings->endGroup();

    m_fileManager->saveRecentFiles();
    m_viewManager->saveSettings(m_settings);
    m_actionManager->saveSettings(m_settings);
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    m_editorManager->saveSettings();
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