mainwindow.cpp

/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** 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.
**
** GNU Lesser General Public License Usage
**
** 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/

#include "mainwindow.h"
#include "actioncontainer.h"
#include "command.h"
#include "actionmanager_p.h"
#include "coreimpl.h"
#include "coreconstants.h"
#include "editormanager.h"
#include "fancytabwidget.h"
#include "filemanager.h"
#include "generalsettings.h"
#include "helpmanager.h"
#include "ifilefactory.h"
#include "messagemanager.h"
#include "modemanager.h"
#include "mimedatabase.h"
#include "newdialog.h"
#include "outputpanemanager.h"
#include "outputpane.h"
#include "plugindialog.h"
#include "progressmanager_p.h"
#include "progressview.h"
#include "shortcutsettings.h"
#include "vcsmanager.h"
#include "ieditor.h"

#include "scriptmanager_p.h"
#include "settingsdialog.h"
#include "variablemanager.h"
#include "versiondialog.h"
#include "statusbarmanager.h"
#include "uniqueidmanager.h"
#include "manhattanstyle.h"
#include "navigationwidget.h"
#include "rightpane.h"
#include "editormanager/ieditorfactory.h"
#include "statusbarwidget.h"
#include "basefilewizard.h"
#include "ioutputpane.h"
#include "editormanager/systemeditor.h"

#include <coreplugin/findplaceholder.h>
#include <coreplugin/icorelistener.h>
#include <coreplugin/inavigationwidgetfactory.h>
#include <coreplugin/settingsdatabase.h>
#include <utils/pathchooser.h>
#include <utils/stylehelper.h>
#include <utils/stringutils.h>
#include <extensionsystem/pluginmanager.h>

#include <QtCore/QDebug>
#include <QtCore/QFileInfo>
#include <QtCore/QSettings>
#include <QtCore/QTimer>
#include <QtCore/QtPlugin>
#include <QtCore/QUrl>
#include <QtCore/QDir>

#include <QtGui/QApplication>
#include <QtGui/QCloseEvent>
#include <QtGui/QMenu>
#include <QtGui/QPixmap>
#include <QtGui/QPrinter>
#include <QtGui/QShortcut>
#include <QtGui/QStatusBar>
#include <QtGui/QWizard>
#include <QtGui/QToolButton>
#include <QtGui/QMessageBox>
#include <QtGui/QMenuBar>

/*
#ifdef Q_OS_UNIX
#include <signal.h>
extern "C" void handleSigInt(int sig)
{
    Q_UNUSED(sig)
    Core::ICore::instance()->exit();
    qDebug() << "SIGINT caught. Shutting down.";
}
#endif
*/

using namespace Core;
using namespace Core::Internal;

enum { debugMainWindow = 0 };

MainWindow::MainWindow() :
    EventFilteringMainWindow(),
    m_coreImpl(new CoreImpl(this)),
    m_uniqueIDManager(new UniqueIDManager()),
    m_additionalContexts(Constants::C_GLOBAL),
    m_settings(ExtensionSystem::PluginManager::instance()->settings()),
    m_globalSettings(new QSettings(QSettings::IniFormat, QSettings::SystemScope,
                             QLatin1String("Nokia"), QLatin1String("QtCreator"), this)),
    m_settingsDatabase(new SettingsDatabase(QFileInfo(m_settings->fileName()).path(),
                                            QLatin1String("QtCreator"),
                                            this)),
    m_printer(0),
    m_actionManager(new ActionManagerPrivate(this)),
    m_editorManager(0),
    m_fileManager(new FileManager(this)),
    m_progressManager(new ProgressManagerPrivate()),
    m_scriptManager(new ScriptManagerPrivate(this)),
    m_variableManager(new VariableManager),
    m_vcsManager(new VCSManager),
    m_statusBarManager(0),
    m_modeManager(0),
    m_mimeDatabase(new MimeDatabase),
    m_helpManager(new HelpManager),
    m_navigationWidget(0),
    m_rightPaneWidget(0),
    m_versionDialog(0),
    m_activeContext(0),
    m_generalSettings(new GeneralSettings),
    m_shortcutSettings(new ShortcutSettings),
    m_systemEditor(new SystemEditor),
    m_focusToEditor(0),
    m_newAction(0),
    m_openAction(0),
    m_openWithAction(0),
    m_saveAllAction(0),
    m_exitAction(0),
    m_optionsAction(0),
    m_toggleSideBarAction(0),
    m_toggleFullScreenAction(0),
#ifdef Q_WS_MAC
    m_minimizeAction(0),
    m_zoomAction(0),
#endif
    m_toggleSideBarButton(new QToolButton)
{
    OutputPaneManager::create();

    setWindowTitle(tr("Qt Creator"));
#ifndef Q_WS_MAC
    QApplication::setWindowIcon(QIcon(QLatin1String(Constants::ICON_QTLOGO_128)));
#endif
    QCoreApplication::setApplicationName(QLatin1String("QtCreator"));
    QCoreApplication::setApplicationVersion(QLatin1String(Core::Constants::IDE_VERSION_LONG));
    QCoreApplication::setOrganizationName(QLatin1String("Nokia"));
    QSettings::setDefaultFormat(QSettings::IniFormat);
    QString baseName = QApplication::style()->objectName();
#ifdef Q_WS_X11
    if (baseName == QLatin1String("windows")) {
        // 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")
            baseName = QLatin1String("plastique");
        else
            baseName = QLatin1String("cleanlooks");
    }
#endif
    qApp->setStyle(new ManhattanStyle(baseName));

    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_statusBarManager = new StatusBarManager(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
    statusBar()->insertPermanentWidget(0, m_toggleSideBarButton);

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

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

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

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

void MainWindow::setOverrideColor(const QColor &color)
{
    m_overrideColor = color;
}

MainWindow::~MainWindow()
{
    ExtensionSystem::PluginManager *pm = ExtensionSystem::PluginManager::instance();
    pm->removeObject(m_shortcutSettings);
    pm->removeObject(m_generalSettings);
    pm->removeObject(m_systemEditor);
    delete m_messageManager;
    m_messageManager = 0;
    delete m_shortcutSettings;
    m_shortcutSettings = 0;
    delete m_generalSettings;
    m_generalSettings = 0;
    delete m_systemEditor;
    m_systemEditor = 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;
    //we need to delete editormanager and statusbarmanager 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
    OutputPaneManager::destroy();

    // Now that the OutputPaneManager is gone, is a good time to delete the view
    pm->removeObject(m_outputView);
    delete m_outputView;

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

    delete m_rightPaneWidget;
    m_rightPaneWidget = 0;

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

    delete m_helpManager;
    m_helpManager = 0;
}

bool MainWindow::init(QString *errorMessage)
{
    Q_UNUSED(errorMessage)

    if (!mimeDatabase()->addMimeTypes(QLatin1String(":/core/editormanager/BinFiles.mimetypes.xml"), errorMessage))
        return false;

    ExtensionSystem::PluginManager *pm = ExtensionSystem::PluginManager::instance();
    pm->addObject(m_coreImpl);
    m_statusBarManager->init();
    m_modeManager->init();
    m_progressManager->init();

    pm->addObject(m_generalSettings);
    pm->addObject(m_shortcutSettings);
    pm->addObject(m_systemEditor);


    // Add widget to the bottom, we create the view here instead of inside the
    // OutputPaneManager, since the StatusBarManager needs to be initialized before
    m_outputView = new Core::StatusBarWidget;
    m_outputView->setWidget(OutputPaneManager::instance()->buttonsWidget());
    m_outputView->setPosition(Core::StatusBarWidget::Second);
    pm->addObject(m_outputView);
    m_messageManager->init();
    return true;
}

void MainWindow::extensionsInitialized()
{
    m_editorManager->init();
    m_statusBarManager->extensionsInitalized();
    OutputPaneManager::instance()->init();
    m_vcsManager->extensionsInitialized();
    m_navigationWidget->setFactories(ExtensionSystem::PluginManager::instance()->getObjects<INavigationWidgetFactory>());

    // reading the shortcut settings must be done after all shortcuts have been registered
    m_actionManager->initialize();

    readSettings();
    updateContext();

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

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

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

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

    emit m_coreImpl->coreAboutToClose();

    writeSettings();

    m_navigationWidget->closeSubWidgets();

    event->accept();
}

// 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->hasUrls())
        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, ICore::SwitchMode);
    } else {
        event->ignore();
    }
}

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

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

void MainWindow::registerDefaultContainers()
{
    ActionManagerPrivate *am = m_actionManager;

    ActionContainer *menubar = am->createMenuBar(Constants::MENU_BAR);

#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);

    // File Menu
    ActionContainer *filemenu = am->createMenu(Constants::M_FILE);
    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()));


    // Edit Menu
    ActionContainer *medit = am->createMenu(Constants::M_EDIT);
    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);
    medit->appendGroup(Constants::G_EDIT_ADVANCED);
    medit->appendGroup(Constants::G_EDIT_FIND);
    medit->appendGroup(Constants::G_EDIT_OTHER);

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

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

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

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

void MainWindow::registerDefaultActions()
{
    ActionManagerPrivate *am = m_actionManager;
    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);

    Context globalContext(Constants::C_GLOBAL);

    // File menu separators
    Command *cmd = createSeparator(am, this, QLatin1String("QtCreator.File.Sep.Save"), globalContext);
    mfile->addAction(cmd, Constants::G_FILE_SAVE);

    cmd =  createSeparator(am, this, QLatin1String("QtCreator.File.Sep.Print"), globalContext);
    QIcon icon = QIcon::fromTheme(QLatin1String("edit-cut"), QIcon(Constants::ICON_CUT));
    mfile->addAction(cmd, Constants::G_FILE_PRINT);

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

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

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

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

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

    cmd = createSeparator(am, this, QLatin1String("QtCreator.Edit.Sep.Advanced"), globalContext);
    medit->addAction(cmd, Constants::G_EDIT_ADVANCED);

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

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

    // New File Action
    icon = QIcon::fromTheme(QLatin1String("document-new"), QIcon(Constants::ICON_NEWFILE));
    m_newAction = new QAction(icon, tr("&New File or Project..."), this);
    cmd = am->registerAction(m_newAction, Constants::NEW, globalContext);
    cmd->setDefaultKeySequence(QKeySequence::New);
    mfile->addAction(cmd, Constants::G_FILE_NEW);
    connect(m_newAction, SIGNAL(triggered()), this, SLOT(newFile()));

    // Open Action
    icon = QIcon::fromTheme(QLatin1String("document-open"), QIcon(Constants::ICON_OPENFILE));
    m_openAction = new QAction(icon, tr("&Open File or Project..."), this);
    cmd = am->registerAction(m_openAction, Constants::OPEN, globalContext);
    cmd->setDefaultKeySequence(QKeySequence::Open);
    mfile->addAction(cmd, Constants::G_FILE_OPEN);
    connect(m_openAction, SIGNAL(triggered()), this, SLOT(openFile()));

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

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

    // Save Action
    icon = QIcon::fromTheme(QLatin1String("document-save"), QIcon(Constants::ICON_SAVEFILE));
    QAction *tmpaction = new QAction(icon, tr("&Save"), this);
    cmd = am->registerAction(tmpaction, Constants::SAVE, globalContext);
    cmd->setDefaultKeySequence(QKeySequence::Save);
    cmd->setAttribute(Command::CA_UpdateText);
    cmd->setDefaultText(tr("&Save"));
    mfile->addAction(cmd, Constants::G_FILE_SAVE);

    // Save As Action
    icon = QIcon::fromTheme(QLatin1String("document-save-as"));
    tmpaction = new QAction(icon, tr("Save &As..."), this);
    cmd = am->registerAction(tmpaction, Constants::SAVEAS, globalContext);
#ifdef Q_WS_MAC
    cmd->setDefaultKeySequence(QKeySequence(tr("Ctrl+Shift+S")));
#endif
    cmd->setAttribute(Command::CA_UpdateText);
    cmd->setDefaultText(tr("Save &As..."));
    mfile->addAction(cmd, Constants::G_FILE_SAVE);

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

    // Print Action
    icon = QIcon::fromTheme(QLatin1String("document-print"));
    tmpaction = new QAction(icon, tr("&Print..."), this);
    cmd = am->registerAction(tmpaction, Constants::PRINT, globalContext);
    cmd->setDefaultKeySequence(QKeySequence::Print);
    mfile->addAction(cmd, Constants::G_FILE_PRINT);

    // Exit Action
    icon = QIcon::fromTheme(QLatin1String("application-exit"));
    m_exitAction = new QAction(icon, tr("E&xit"), this);
    cmd = am->registerAction(m_exitAction, Constants::EXIT, globalContext);
    cmd->setDefaultKeySequence(QKeySequence(tr("Ctrl+Q")));
    mfile->addAction(cmd, Constants::G_FILE_OTHER);
    connect(m_exitAction, SIGNAL(triggered()), this, SLOT(exit()));

    // Undo Action
    icon = QIcon::fromTheme(QLatin1String("edit-undo"), QIcon(Constants::ICON_UNDO));
    tmpaction = new QAction(icon, tr("&Undo"), this);
    cmd = am->registerAction(tmpaction, Constants::UNDO, globalContext);
    cmd->setDefaultKeySequence(QKeySequence::Undo);
    cmd->setAttribute(Command::CA_UpdateText);
    cmd->setDefaultText(tr("&Undo"));
    medit->addAction(cmd, Constants::G_EDIT_UNDOREDO);
    tmpaction->setEnabled(false);

    // Redo Action
    icon = QIcon::fromTheme(QLatin1String("edit-redo"), QIcon(Constants::ICON_REDO));
    tmpaction = new QAction(icon, tr("&Redo"), this);
    cmd = am->registerAction(tmpaction, Constants::REDO, globalContext);
    cmd->setDefaultKeySequence(QKeySequence::Redo);
    cmd->setAttribute(Command::CA_UpdateText);
    cmd->setDefaultText(tr("&Redo"));
    medit->addAction(cmd, Constants::G_EDIT_UNDOREDO);
    tmpaction->setEnabled(false);

    // Cut Action
    icon = QIcon::fromTheme(QLatin1String("edit-cut"), QIcon(Constants::ICON_CUT));
    tmpaction = new QAction(icon, tr("Cu&t"), this);
    cmd = am->registerAction(tmpaction, Constants::CUT, globalContext);
    cmd->setDefaultKeySequence(QKeySequence::Cut);
    medit->addAction(cmd, Constants::G_EDIT_COPYPASTE);
    tmpaction->setEnabled(false);

    // Copy Action
    icon = QIcon::fromTheme(QLatin1String("edit-copy"), QIcon(Constants::ICON_COPY));
    tmpaction = new QAction(icon, tr("&Copy"), this);
    cmd = am->registerAction(tmpaction, Constants::COPY, globalContext);
    cmd->setDefaultKeySequence(QKeySequence::Copy);
    medit->addAction(cmd, Constants::G_EDIT_COPYPASTE);
    tmpaction->setEnabled(false);

    // Paste Action
    icon = QIcon::fromTheme(QLatin1String("edit-paste"), QIcon(Constants::ICON_PASTE));
    tmpaction = new QAction(icon, tr("&Paste"), this);
    cmd = am->registerAction(tmpaction, Constants::PASTE, globalContext);
    cmd->setDefaultKeySequence(QKeySequence::Paste);
    medit->addAction(cmd, Constants::G_EDIT_COPYPASTE);
    tmpaction->setEnabled(false);

    // Select All
    icon = QIcon::fromTheme(QLatin1String("edit-select-all"));
    tmpaction = new QAction(icon, tr("&Select All"), this);
    cmd = am->registerAction(tmpaction, Constants::SELECTALL, globalContext);
    cmd->setDefaultKeySequence(QKeySequence::SelectAll);
    medit->addAction(cmd, Constants::G_EDIT_SELECTALL);
    tmpaction->setEnabled(false);

    // Goto Action
    icon = QIcon::fromTheme(QLatin1String("go-jump"));
    tmpaction = new QAction(icon, tr("&Go To Line..."), this);
    cmd = am->registerAction(tmpaction, Constants::GOTO, globalContext);
    cmd->setDefaultKeySequence(QKeySequence(tr("Ctrl+L")));
    medit->addAction(cmd, Constants::G_EDIT_OTHER);
    tmpaction->setEnabled(false);

    // Options Action
    m_optionsAction = new QAction(tr("&Options..."), this);
    cmd = am->registerAction(m_optionsAction, Constants::OPTIONS, globalContext);
#ifdef Q_WS_MAC
    cmd->setDefaultKeySequence(QKeySequence("Ctrl+,"));
    cmd->action()->setMenuRole(QAction::PreferencesRole);
#endif
    mtools->addAction(cmd, Constants::G_DEFAULT_THREE);
    connect(m_optionsAction, SIGNAL(triggered()), this, SLOT(showOptionsDialog()));

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

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

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

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

#ifndef Q_WS_MAC
    // Full Screen Action
    m_toggleFullScreenAction = new QAction(tr("Full Screen"), this);
    m_toggleFullScreenAction->setCheckable(true);
    cmd = am->registerAction(m_toggleFullScreenAction, Constants::TOGGLE_FULLSCREEN, globalContext);
    cmd->setDefaultKeySequence(QKeySequence("Ctrl+Shift+F11"));
    mwindow->addAction(cmd, Constants::G_WINDOW_SIZE);
    connect(m_toggleFullScreenAction, SIGNAL(triggered(bool)), this, SLOT(setFullScreen(bool)));
#endif

    // Window->Views
    ActionContainer *mviews = am->createMenu(Constants::M_WINDOW_VIEWS);
    mwindow->addMenu(mviews, Constants::G_WINDOW_VIEWS);
    mviews->menu()->setTitle(tr("&Views"));

    // About IDE Action
    icon = QIcon::fromTheme(QLatin1String("help-about"));
#ifdef Q_WS_MAC
    tmpaction = new QAction(icon, tr("About &Qt Creator"), this); // it's convention not to add dots to the about menu
#else
    tmpaction = new QAction(icon, tr("About &Qt Creator..."), this);
#endif
    cmd = am->registerAction(tmpaction, Constants::ABOUT_QTCREATOR, globalContext);
    mhelp->addAction(cmd, Constants::G_HELP_ABOUT);
    tmpaction->setEnabled(true);
#ifdef Q_WS_MAC
    cmd->action()->setMenuRole(QAction::ApplicationSpecificRole);
#endif
    connect(tmpaction, SIGNAL(triggered()), this,  SLOT(aboutQtCreator()));

    //About Plugins Action
    tmpaction = new QAction(tr("About &Plugins..."), this);
    cmd = am->registerAction(tmpaction, Constants::ABOUT_PLUGINS, globalContext);
    mhelp->addAction(cmd, Constants::G_HELP_ABOUT);
    tmpaction->setEnabled(true);
#ifdef Q_WS_MAC
    cmd->action()->setMenuRole(QAction::ApplicationSpecificRole);
#endif
    connect(tmpaction, SIGNAL(triggered()), this,  SLOT(aboutPlugins()));
    // About Qt Action
//    tmpaction = new QAction(tr("About &Qt..."), this);
//    cmd = am->registerAction(tmpaction, Constants:: ABOUT_QT, globalContext);
//    mhelp->addAction(cmd, Constants::G_HELP_ABOUT);
//    tmpaction->setEnabled(true);
//    connect(tmpaction, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
    // About sep
#ifndef Q_WS_MAC // doesn't have the "About" actions in the Help menu
    tmpaction = new QAction(this);
    tmpaction->setSeparator(true);
    cmd = am->registerAction(tmpaction, "QtCreator.Help.Sep.About", globalContext);
    mhelp->addAction(cmd, Constants::G_HELP_ABOUT);
#endif
}

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

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

static QList<IFileFactory*> getNonEditorFileFactories()
{
    const QList<IFileFactory*> allFileFactories =
        ExtensionSystem::PluginManager::instance()->getObjects<IFileFactory>();
    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, ICore::OpenFilesFlags flags)
{
    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)) {
            Core::IFile *file = fileFactory->open(absoluteFilePath);
            if (!file && (flags & ICore::StopOnLoadFail))
                return;
            if (file && (flags & ICore::SwitchMode))
                Core::ModeManager::instance()->activateMode(Core::Constants::MODE_EDIT);
        } else {
            QFlags<EditorManager::OpenEditorFlag> emFlags;
            if (flags & ICore::SwitchMode)
                emFlags = EditorManager::ModeSwitch;
            if (flags & ICore::CanContainLineNumbers)
                emFlags |=  EditorManager::CanContainLineNumber;
            Core::IEditor *editor = editorManager()->openEditor(absoluteFilePath, QString(), emFlags);
            if (!editor && (flags & ICore::StopOnLoadFail))
                return;
        }
    }
}

void MainWindow::setFocusToEditor()
{
    bool focusWasMovedToEditor = false;

    // give focus to the editor if we have one
    if (IEditor *editor = m_editorManager->currentEditor()) {
        if (qApp->focusWidget() != editor->widget()) {
            editor->widget()->setFocus();
            focusWasMovedToEditor = editor->widget()->hasFocus();
        }
    }

    // check for some maximized pane which we want to unmaximize
    if (OutputPanePlaceHolder::getCurrent()
        && OutputPanePlaceHolder::getCurrent()->isVisible()
        && OutputPanePlaceHolder::getCurrent()->isMaximized()) {
        OutputPanePlaceHolder::getCurrent()->unmaximize();
        return;
    }

    if (focusWasMovedToEditor)
        return;


    // check for some visible bar which we want to hide
    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);
        return;
    }

    // switch to edit mode if necessary
    m_coreImpl->modeManager()->activateMode(QLatin1String(Constants::MODE_EDIT));

}