debuggermanager.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.
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**************************************************************************/

#include "debuggermanager.h"

#include "debuggeractions.h"
#include "debuggeragents.h"
#include "debuggerconstants.h"
#include "debuggermainwindow.h"
#include "debuggerplugin.h"
#include "debuggerrunner.h"
#include "debuggerstringutils.h"
#include "debuggertooltip.h"
#include "debuggeruiswitcher.h"
#include "idebuggerengine.h"
#include "watchutils.h"

#include "breakwindow.h"
#include "debuggeroutputwindow.h"
#include "moduleswindow.h"
#include "registerwindow.h"
#include "snapshotwindow.h"
#include "stackwindow.h"
#include "sourcefileswindow.h"
#include "threadswindow.h"
#include "watchwindow.h"

#include "breakhandler.h"
#include "moduleshandler.h"
#include "registerhandler.h"
#include "snapshothandler.h"
#include "stackhandler.h"
#include "stackframe.h"
#include "threadshandler.h"
#include "watchhandler.h"

#include "debuggerdialogs.h"
#ifdef Q_OS_WIN
#  include "shared/peutils.h"
#endif

#include <coreplugin/icore.h>
#include <coreplugin/minisplitter.h>
#include <coreplugin/editormanager/editormanager.h>
#include <utils/qtcassert.h>
#include <utils/savedaction.h>
#include <projectexplorer/toolchain.h>
#include <cplusplus/CppDocument.h>
#include <cpptools/cppmodelmanagerinterface.h>
#include <qt4projectmanager/qt4projectmanagerconstants.h>
#include <texteditor/fontsettings.h>
#include <texteditor/itexteditor.h>

#include <QtCore/QDebug>
#include <QtCore/QDir>
#include <QtCore/QFileInfo>
#include <QtCore/QTextStream>
#include <QtCore/QTime>
#include <QtCore/QTimer>

#include <QtGui/QApplication>
#include <QtGui/QAction>
#include <QtGui/QComboBox>
#include <QtGui/QDockWidget>
#include <QtGui/QErrorMessage>
#include <QtGui/QFileDialog>
#include <QtGui/QHeaderView>
#include <QtGui/QLabel>
#include <QtGui/QMessageBox>
#include <QtGui/QPlainTextEdit>
#include <QtGui/QPushButton>
#include <QtGui/QStatusBar>
#include <QtGui/QTextBlock>
#include <QtGui/QTextCursor>
#include <QtGui/QToolButton>
#include <QtGui/QToolTip>
#include <QtGui/QTreeWidget>

#define DEBUG_STATE 1
#ifdef DEBUG_STATE
// use  Q_FUNC_INFO?
#   define STATE_DEBUG(s) \
    do { QString msg; QTextStream ts(&msg); ts << s; \
      showDebuggerOutput(LogDebug, msg); } while (0)
#else
#   define STATE_DEBUG(s)
#endif

// Note: the Debugger process itself and any helper processes like
// gdbserver, the trk client etc are referred to as 'Adapter',
// whereas the debugged process is referred to as 'Inferior'.
//
//              0 == DebuggerNotReady
//                          |
//                    EngineStarting
//                          |
//                    AdapterStarting --> AdapterStartFailed --> 0
//                          |
//                    AdapterStarted ------------------------------------.
//                          |                                            v
//                   InferiorStarting ----> InferiorStartFailed -------->|
//                          |                                            |
//         (core)           |     (attach) (term) (remote)               |
//      .-----------------<-|->------------------.                       |
//      |                   v                    |                       |
//  InferiorUnrunnable      | (plain)            |                       |
//      |                   | (trk)              |                       |
//      |                   |                    |                       |
//      |    .--> InferiorRunningRequested       |                       |
//      |    |              |                    |                       |
//      |    |       InferiorRunning             |                       |
//      |    |              |                    |                       |
//      |    |       InferiorStopping            |                       |
//      |    |              |                    |                       |
//      |    '------ InferiorStopped <-----------'                       |
//      |                   |                                            v
//      |          InferiorShuttingDown  ->  InferiorShutdownFailed ---->|
//      |                   |                                            |
//      |            InferiorShutDown                                    |
//      |                   |                                            |
//      '-------->  EngineShuttingDown  <--------------------------------'
//                          |
//                          0
//
// Allowed actions:
//    [R] :  Run
//    [C] :  Continue
//    [N] :  Step, Next

namespace Debugger {
namespace Internal {

IDebuggerEngine *createGdbEngine(DebuggerManager *parent);
IDebuggerEngine *createScriptEngine(DebuggerManager *parent);
IDebuggerEngine *createPdbEngine(DebuggerManager *parent);
IDebuggerEngine *createTcfEngine(DebuggerManager *parent);
IDebuggerEngine *createQmlEngine(DebuggerManager *parent);

// The createCdbEngine function takes a list of options pages it can add to.
// This allows for having a "enabled" toggle on the page independently
// of the engine. That's good for not enabling the related ActiveX control
// unnecessarily.

IDebuggerEngine *createCdbEngine(DebuggerManager *, bool /* cmdLineEnabled */, QList<Core::IOptionsPage*> *)
#ifdef CDB_ENABLED
;
#else
{ return 0; }
#endif

} // namespace Internal

DEBUGGER_EXPORT QDebug operator<<(QDebug str, const DebuggerStartParameters &p)
{
    QDebug nospace = str.nospace();
    const QString sep = QString(QLatin1Char(','));
    nospace << "executable=" << p.executable << " coreFile=" << p.coreFile
            << " processArgs=" << p.processArgs.join(sep)
            << " environment=<" << p.environment.size() << " variables>"
            << " workingDir=" << p.workingDirectory << " buildDir=" << p.buildDirectory
            << " attachPID=" << p.attachPID << " useTerminal=" << p.useTerminal
            << " remoteChannel=" << p.remoteChannel
            << " remoteArchitecture=" << p.remoteArchitecture
            << " symbolFileName=" << p.symbolFileName
            << " serverStartScript=" << p.serverStartScript
            << " toolchain=" << p.toolChainType << '\n';
    return str;
}

using namespace Constants;
using namespace Debugger::Internal;
using namespace TextEditor;

const char *DebuggerManager::stateName(int s)
{
#    define SN(x) case x: return #x;
    switch (s) {
        SN(DebuggerNotReady)
        SN(EngineStarting)
        SN(AdapterStarting)
        SN(AdapterStarted)
        SN(AdapterStartFailed)
        SN(InferiorStarting)
        SN(InferiorStartFailed)
        SN(InferiorRunningRequested)
        SN(InferiorRunningRequested_Kill)
        SN(InferiorRunning)
        SN(InferiorUnrunnable)
        SN(InferiorStopping)
        SN(InferiorStopping_Kill)
        SN(InferiorStopped)
        SN(InferiorStopFailed)
        SN(InferiorShuttingDown)
        SN(InferiorShutDown)
        SN(InferiorShutdownFailed)
        SN(EngineShuttingDown)
    }
    return "<unknown>";
#    undef SN
}


///////////////////////////////////////////////////////////////////////
//
// DebuggerStartParameters
//
///////////////////////////////////////////////////////////////////////

DebuggerStartParameters::DebuggerStartParameters()
  : attachPID(-1),
    useTerminal(false),
    toolChainType(ProjectExplorer::ToolChain::UNKNOWN),
    startMode(NoStartMode)
{}

void DebuggerStartParameters::clear()
{
    *this = DebuggerStartParameters();
}


///////////////////////////////////////////////////////////////////////
//
// DebuggerManager
//
///////////////////////////////////////////////////////////////////////

static Debugger::Internal::IDebuggerEngine *gdbEngine = 0;
static Debugger::Internal::IDebuggerEngine *scriptEngine = 0;
static Debugger::Internal::IDebuggerEngine *cdbEngine = 0;
static Debugger::Internal::IDebuggerEngine *pdbEngine = 0;
static Debugger::Internal::IDebuggerEngine *qmlEngine = 0;
static Debugger::Internal::IDebuggerEngine *tcfEngine = 0;

struct DebuggerManagerPrivate
{
    explicit DebuggerManagerPrivate(DebuggerManager *manager);

    static DebuggerManager *instance;

    QIcon m_stopIcon;
    QIcon m_interruptIcon;
    const QIcon m_locationMarkIcon;

    // FIXME: Remove engine-specific state
    DebuggerStartParametersPtr m_startParameters;
    qint64 m_inferiorPid;

    /// Views
    DebuggerMainWindow *m_mainWindow;

    QLabel *m_statusLabel;

    QDockWidget *m_breakDock;
    QDockWidget *m_modulesDock;
    QDockWidget *m_outputDock;
    QDockWidget *m_registerDock;
    QDockWidget *m_snapshotDock;
    QDockWidget *m_sourceFilesDock;
    QDockWidget *m_stackDock;
    QDockWidget *m_threadsDock;
    QDockWidget *m_watchDock;
    QList<QDockWidget *> m_dockWidgets;

    BreakHandler *m_breakHandler;
    ModulesHandler *m_modulesHandler;
    RegisterHandler *m_registerHandler;
    SnapshotHandler *m_snapshotHandler;
    StackHandler *m_stackHandler;
    ThreadsHandler *m_threadsHandler;
    WatchHandler *m_watchHandler;

    DebuggerManagerActions m_actions;

    QWidget *m_breakWindow;
    QWidget *m_returnWindow;
    QWidget *m_localsWindow;
    QWidget *m_watchersWindow;
    QWidget *m_registerWindow;
    QWidget *m_modulesWindow;
    QWidget *m_snapshotWindow;
    SourceFilesWindow *m_sourceFilesWindow;
    QWidget *m_stackWindow;
    QWidget *m_threadsWindow;
    DebuggerOutputWindow *m_outputWindow;

    bool m_busy;
    QTimer *m_statusTimer;
    QString m_lastPermanentStatusMessage;
    DisassemblerViewAgent m_disassemblerViewAgent;

    IDebuggerEngine *m_engine;
    DebuggerState m_state;

    CPlusPlus::Snapshot m_codeModelSnapshot;
    DebuggerPlugin *m_plugin;
};

DebuggerManager *DebuggerManagerPrivate::instance = 0;

DebuggerManagerPrivate::DebuggerManagerPrivate(DebuggerManager *manager) :
   m_stopIcon(QLatin1String(":/debugger/images/debugger_stop_small.png")),
   m_interruptIcon(QLatin1String(":/debugger/images/debugger_interrupt_small.png")),
   m_locationMarkIcon(QLatin1String(":/debugger/images/location_16.png")),
   m_startParameters(new DebuggerStartParameters),
   m_inferiorPid(0),
   m_disassemblerViewAgent(manager),
   m_engine(0)
{
    m_interruptIcon.addFile(":/debugger/images/debugger_interrupt.png");
    m_stopIcon.addFile(":/debugger/images/debugger_stop.png");
}

DebuggerManager::DebuggerManager(DebuggerPlugin *plugin)
  : d(new DebuggerManagerPrivate(this))
{
    DebuggerManagerPrivate::instance = this;
    d->m_plugin = plugin;
    init();
}

DebuggerManager::~DebuggerManager()
{
#    define doDelete(ptr) delete ptr; ptr = 0
    doDelete(scriptEngine);
    doDelete(pdbEngine);
    doDelete(gdbEngine);
    doDelete(cdbEngine);
    doDelete(tcfEngine);
    doDelete(qmlEngine);

    doDelete(d->m_breakHandler);
    doDelete(d->m_threadsHandler);
    doDelete(d->m_modulesHandler);
    doDelete(d->m_registerHandler);
    doDelete(d->m_snapshotHandler);
    doDelete(d->m_stackHandler);
    doDelete(d->m_watchHandler);
#    undef doDelete
    DebuggerManagerPrivate::instance = 0;
    delete d;
}

DebuggerManager *DebuggerManager::instance()
{
    return DebuggerManagerPrivate::instance;
}

void DebuggerManager::init()
{
    d->m_state = DebuggerState(-1);
    d->m_busy = false;

    d->m_modulesHandler = 0;
    d->m_registerHandler = 0;

    d->m_statusLabel = new QLabel;
    d->m_statusLabel->setMinimumSize(QSize(30, 10));

    d->m_breakWindow = new BreakWindow(this);
    d->m_breakWindow->setObjectName(QLatin1String("CppDebugBreakpoints"));
    d->m_modulesWindow = new ModulesWindow(this);
    d->m_modulesWindow->setObjectName(QLatin1String("CppDebugModules"));
    d->m_outputWindow = new DebuggerOutputWindow;
    d->m_outputWindow->setObjectName(QLatin1String("CppDebugOutput"));

    d->m_registerWindow = new RegisterWindow(this);
    d->m_registerWindow->setObjectName(QLatin1String("CppDebugRegisters"));
    d->m_snapshotWindow = new SnapshotWindow(this);
    d->m_snapshotWindow->setObjectName(QLatin1String("CppDebugSnapshots"));
    d->m_stackWindow = new StackWindow(this);
    d->m_stackWindow->setObjectName(QLatin1String("CppDebugStack"));
    d->m_sourceFilesWindow = new SourceFilesWindow;
    d->m_sourceFilesWindow->setObjectName(QLatin1String("CppDebugSources"));
    d->m_threadsWindow = new ThreadsWindow;
    d->m_threadsWindow->setObjectName(QLatin1String("CppDebugThreads"));
    d->m_returnWindow = new WatchWindow(WatchWindow::ReturnType, this);
    d->m_returnWindow->setObjectName(QLatin1String("CppDebugReturn"));
    d->m_localsWindow = new WatchWindow(WatchWindow::LocalsType, this);
    d->m_localsWindow->setObjectName(QLatin1String("CppDebugLocals"));
    d->m_watchersWindow = new WatchWindow(WatchWindow::WatchersType, this);
    d->m_watchersWindow->setObjectName(QLatin1String("CppDebugWatchers"));
    d->m_statusTimer = new QTimer(this);

    d->m_mainWindow =
        qobject_cast<DebuggerMainWindow*>(DebuggerUISwitcher::instance()->mainWindow());
    QTC_ASSERT(d->m_mainWindow, return)

    // Snapshots
    d->m_snapshotHandler = new SnapshotHandler;
    QAbstractItemView *snapshotView =
        qobject_cast<QAbstractItemView *>(d->m_snapshotWindow);
    snapshotView->setModel(d->m_snapshotHandler);

    // Stack
    d->m_stackHandler = new StackHandler;
    StackWindow *stackView =
        qobject_cast<StackWindow *>(d->m_stackWindow);
    stackView->setModel(d->m_stackHandler->stackModel());
    stackView->header()->resizeSection(0, 60);
    stackView->header()->resizeSection(3, 60);

    connect(theDebuggerAction(ExpandStack), SIGNAL(triggered()),
        this, SLOT(reloadFullStack()));
    connect(theDebuggerAction(MaximalStackDepth), SIGNAL(triggered()),
        this, SLOT(reloadFullStack()));

    // Threads
    d->m_threadsHandler = new ThreadsHandler;
    QAbstractItemView *threadsView =
        qobject_cast<QAbstractItemView *>(d->m_threadsWindow);
    threadsView->setModel(d->m_threadsHandler->threadsModel());
    connect(threadsView, SIGNAL(threadSelected(int)),
        this, SLOT(selectThread(int)));

    // Breakpoints
    d->m_breakHandler = new BreakHandler(this);
    QAbstractItemView *breakView =
        qobject_cast<QAbstractItemView *>(d->m_breakWindow);
    breakView->setModel(d->m_breakHandler->model());
    connect(breakView, SIGNAL(breakpointActivated(int)),
        this, SLOT(activateBreakpoint(int)));
    connect(breakView, SIGNAL(breakpointDeleted(int)),
        d->m_breakHandler, SLOT(removeBreakpoint(int)));
    connect(breakView, SIGNAL(breakpointSynchronizationRequested()),
        this, SLOT(attemptBreakpointSynchronization()));
    connect(breakView, SIGNAL(breakByFunctionRequested(QString)),
        this, SLOT(breakByFunction(QString)), Qt::QueuedConnection);
    connect(breakView, SIGNAL(breakByFunctionMainRequested()),
        this, SLOT(breakByFunctionMain()), Qt::QueuedConnection);

    // Modules
    QAbstractItemView *modulesView =
        qobject_cast<QAbstractItemView *>(d->m_modulesWindow);
    d->m_modulesHandler = new ModulesHandler;
    modulesView->setModel(d->m_modulesHandler->model());
    connect(modulesView, SIGNAL(reloadModulesRequested()),
        this, SLOT(reloadModules()));
    connect(modulesView, SIGNAL(loadSymbolsRequested(QString)),
        this, SLOT(loadSymbols(QString)));
    connect(modulesView, SIGNAL(loadAllSymbolsRequested()),
        this, SLOT(loadAllSymbols()));
    connect(modulesView, SIGNAL(fileOpenRequested(QString)),
        this, SLOT(fileOpen(QString)));

    // Source Files
    //d->m_sourceFilesHandler = new SourceFilesHandler;
    QAbstractItemView *sourceFilesView =
        qobject_cast<QAbstractItemView *>(d->m_sourceFilesWindow);
    //sourceFileView->setModel(d->m_stackHandler->stackModel());
    connect(sourceFilesView, SIGNAL(reloadSourceFilesRequested()),
        this, SLOT(reloadSourceFiles()));
    connect(sourceFilesView, SIGNAL(fileOpenRequested(QString)),
        this, SLOT(fileOpen(QString)));

    // Registers
    QAbstractItemView *registerView =
        qobject_cast<QAbstractItemView *>(d->m_registerWindow);
    d->m_registerHandler = new RegisterHandler;
    registerView->setModel(d->m_registerHandler->model());


    // Return Value
    d->m_watchHandler = new WatchHandler(this);
    QTreeView *returnView = qobject_cast<QTreeView *>(d->m_returnWindow);
    returnView->setModel(d->m_watchHandler->model(ReturnWatch));

    // Locals
    QTreeView *localsView = qobject_cast<QTreeView *>(d->m_localsWindow);
    localsView->setModel(d->m_watchHandler->model(LocalsWatch));

    // Watchers
    QTreeView *watchersView = qobject_cast<QTreeView *>(d->m_watchersWindow);
    watchersView->setModel(d->m_watchHandler->model(WatchersWatch));
    connect(theDebuggerAction(AssignValue), SIGNAL(triggered()),
        this, SLOT(assignValueInDebugger()), Qt::QueuedConnection);
    connect(theDebuggerAction(RemoveWatchExpression), SIGNAL(triggered()),
        this, SLOT(updateWatchersWindow()), Qt::QueuedConnection);
    connect(localsView->header(), SIGNAL(sectionResized(int,int,int)),
        this, SLOT(updateWatchersHeader(int,int,int)), Qt::QueuedConnection);

    // Log
    connect(this, SIGNAL(emitShowInput(int, QString)),
            d->m_outputWindow, SLOT(showInput(int, QString)), Qt::QueuedConnection);
    connect(this, SIGNAL(emitShowOutput(int, QString)),
            d->m_outputWindow, SLOT(showOutput(int, QString)), Qt::QueuedConnection);

    // Tooltip
    qRegisterMetaType<WatchData>("WatchData");
    qRegisterMetaType<StackCookie>("StackCookie");

    d->m_actions.continueAction = new QAction(tr("Continue"), this);
    QIcon continueIcon = QIcon(":/debugger/images/debugger_continue_small.png");
    continueIcon.addFile(":/debugger/images/debugger_continue.png");
    d->m_actions.continueAction->setIcon(continueIcon);

    d->m_actions.stopAction = new QAction(tr("Interrupt"), this);
    d->m_actions.stopAction->setIcon(d->m_interruptIcon);

    d->m_actions.resetAction = new QAction(tr("Abort Debugging"), this);
    d->m_actions.resetAction->setToolTip(tr("Aborts debugging and "
        "resets the debugger to the initial state."));

    d->m_actions.nextAction = new QAction(tr("Step Over"), this);
    d->m_actions.nextAction->setIcon(
        QIcon(":/debugger/images/debugger_stepover_small.png"));

    d->m_actions.stepAction = new QAction(tr("Step Into"), this);
    d->m_actions.stepAction->setIcon(
        QIcon(":/debugger/images/debugger_stepinto_small.png"));

    d->m_actions.stepOutAction = new QAction(tr("Step Out"), this);
    d->m_actions.stepOutAction->setIcon(
        QIcon(":/debugger/images/debugger_stepout_small.png"));

    d->m_actions.runToLineAction1 = new QAction(tr("Run to Line"), this);
    d->m_actions.runToLineAction2 = new QAction(tr("Run to Line"), this);

    d->m_actions.runToFunctionAction =
        new QAction(tr("Run to Outermost Function"), this);

    d->m_actions.returnFromFunctionAction =
        new QAction(tr("Immediately Return From Inner Function"), this);

    d->m_actions.jumpToLineAction1 = new QAction(tr("Jump to Line"), this);
    d->m_actions.jumpToLineAction2 = new QAction(tr("Jump to Line"), this);

    d->m_actions.breakAction = new QAction(tr("Toggle Breakpoint"), this);

    d->m_actions.watchAction1 = new QAction(tr("Add to Watch Window"), this);
    d->m_actions.watchAction2 = new QAction(tr("Add to Watch Window"), this);

    d->m_actions.snapshotAction = new QAction(tr("Snapshot"), this);
    d->m_actions.snapshotAction->setIcon(
        QIcon(":/debugger/images/debugger_snapshot_small.png"));

    d->m_actions.reverseDirectionAction =
        new QAction(tr("Reverse Direction"), this);
    d->m_actions.reverseDirectionAction->setCheckable(true);
    d->m_actions.reverseDirectionAction->setChecked(false);
    d->m_actions.reverseDirectionAction->setIcon(
        QIcon(":/debugger/images/debugger_reversemode_16.png"));

    d->m_actions.frameDownAction =
        new QAction(tr("Move to Called Frame"), this);
    d->m_actions.frameUpAction =
        new QAction(tr("Move to Calling Frame"), this);

    d->m_actions.reverseDirectionAction->setCheckable(false);
    connect(d->m_actions.continueAction, SIGNAL(triggered()),
        this, SLOT(executeContinue()));
    connect(d->m_actions.stopAction, SIGNAL(triggered()),
        this, SLOT(interruptDebuggingRequest()));
    connect(d->m_actions.resetAction, SIGNAL(triggered()),
        this, SLOT(abortDebugger()));
    connect(d->m_actions.nextAction, SIGNAL(triggered()),
        this, SLOT(executeStepNext()));
    connect(d->m_actions.stepAction, SIGNAL(triggered()),
        this, SLOT(executeStep()));
    connect(d->m_actions.stepOutAction, SIGNAL(triggered()),
        this, SLOT(executeStepOut()));
    connect(d->m_actions.runToLineAction1, SIGNAL(triggered()),
        this, SLOT(executeRunToLine()));
    connect(d->m_actions.runToLineAction2, SIGNAL(triggered()),
        this, SLOT(executeRunToLine()));
    connect(d->m_actions.runToFunctionAction, SIGNAL(triggered()),
        this, SLOT(executeRunToFunction()));
    connect(d->m_actions.jumpToLineAction1, SIGNAL(triggered()),
        this, SLOT(executeJumpToLine()));
    connect(d->m_actions.jumpToLineAction2, SIGNAL(triggered()),
        this, SLOT(executeJumpToLine()));
    connect(d->m_actions.returnFromFunctionAction, SIGNAL(triggered()),
        this, SLOT(executeReturn()));
    connect(d->m_actions.watchAction1, SIGNAL(triggered()),
        this, SLOT(addToWatchWindow()));
    connect(d->m_actions.watchAction2, SIGNAL(triggered()),
        this, SLOT(addToWatchWindow()));
    connect(d->m_actions.snapshotAction, SIGNAL(triggered()),
        this, SLOT(makeSnapshot()));
    connect(d->m_actions.frameDownAction, SIGNAL(triggered()),
        this, SLOT(frameDown()));
    connect(d->m_actions.frameUpAction, SIGNAL(triggered()),
        this, SLOT(frameUp()));

    connect(d->m_statusTimer, SIGNAL(timeout()),
        this, SLOT(clearStatusMessage()));

    connect(theDebuggerAction(ExecuteCommand), SIGNAL(triggered()),
        this, SLOT(executeDebuggerCommand()));

    connect(theDebuggerAction(WatchPoint), SIGNAL(triggered()),
        this, SLOT(watchPoint()));

    connect(theDebuggerAction(OperateByInstruction), SIGNAL(triggered()),
        this, SLOT(operateByInstructionTriggered()));

    DebuggerUISwitcher *uiSwitcher = DebuggerUISwitcher::instance();
    d->m_breakDock = uiSwitcher->createDockWidget(LANG_CPP, d->m_breakWindow);
    d->m_modulesDock = uiSwitcher->createDockWidget(LANG_CPP, d->m_modulesWindow,
                                                    Qt::TopDockWidgetArea, false);

    connect(d->m_modulesDock->toggleViewAction(), SIGNAL(toggled(bool)),
        this, SLOT(reloadModules()), Qt::QueuedConnection);

    d->m_registerDock = uiSwitcher->createDockWidget(LANG_CPP, d->m_registerWindow,
        Qt::TopDockWidgetArea, false);
    connect(d->m_registerDock->toggleViewAction(), SIGNAL(toggled(bool)),
        this, SLOT(reloadRegisters()), Qt::QueuedConnection);

    d->m_outputDock = uiSwitcher->createDockWidget(LANG_CPP, d->m_outputWindow,
        Qt::TopDockWidgetArea, false);

    d->m_snapshotDock =  uiSwitcher->createDockWidget(LANG_CPP, d->m_snapshotWindow);
    d->m_stackDock = uiSwitcher->createDockWidget(LANG_CPP, d->m_stackWindow);
    d->m_sourceFilesDock = uiSwitcher->createDockWidget(LANG_CPP,
        d->m_sourceFilesWindow, Qt::TopDockWidgetArea, false);
    connect(d->m_sourceFilesDock->toggleViewAction(), SIGNAL(toggled(bool)),
        this, SLOT(reloadSourceFiles()), Qt::QueuedConnection);

    d->m_threadsDock = uiSwitcher->createDockWidget(LANG_CPP, d->m_threadsWindow);

    QSplitter *localsAndWatchers = new Core::MiniSplitter(Qt::Vertical);
    localsAndWatchers->setObjectName(QLatin1String("CppDebugLocalsAndWatchers"));
    localsAndWatchers->setWindowTitle(d->m_localsWindow->windowTitle());
    localsAndWatchers->addWidget(d->m_localsWindow);
    localsAndWatchers->addWidget(d->m_returnWindow);
    localsAndWatchers->addWidget(d->m_watchersWindow);
    //localsAndWatchers->addWidget(d->m_tooltipWindow);
    localsAndWatchers->setStretchFactor(0, 3);
    localsAndWatchers->setStretchFactor(1, 1);
    localsAndWatchers->setStretchFactor(2, 1);
    d->m_watchDock = DebuggerUISwitcher::instance()->createDockWidget(LANG_CPP,
        localsAndWatchers);
    d->m_dockWidgets << d->m_breakDock << d->m_modulesDock << d->m_registerDock
                     << d->m_outputDock << d->m_stackDock << d->m_sourceFilesDock
                     << d->m_threadsDock << d->m_watchDock;

    setState(DebuggerNotReady);
}

QList<Core::IOptionsPage*> DebuggerManager::initializeEngines(unsigned enabledTypeFlags)
{
    QList<Core::IOptionsPage*> rc;

    if (enabledTypeFlags & GdbEngineType) {
        gdbEngine = createGdbEngine(this);
        gdbEngine->addOptionPages(&rc);
    }

    cdbEngine = createCdbEngine(this, (enabledTypeFlags & CdbEngineType), &rc);

    if (enabledTypeFlags & ScriptEngineType) {
        scriptEngine = createScriptEngine(this);
        scriptEngine->addOptionPages(&rc);
    }

    if (enabledTypeFlags & PdbEngineType) {
        pdbEngine = createPdbEngine(this);
        //pdbEngine->addOptionPages(&rc);
    }

    if (enabledTypeFlags & TcfEngineType) {
        tcfEngine = createTcfEngine(this);
        tcfEngine->addOptionPages(&rc);
    }

    if (enabledTypeFlags & QmlEngineType) {
        qmlEngine = createQmlEngine(this);
        //qmlEngine->addOptionPages(&rc);
    }

    d->m_engine = 0;
    STATE_DEBUG(gdbEngine << cdbEngine << scriptEngine
        << pdbEngine << rc.size());
    return rc;
}

DebuggerManagerActions DebuggerManager::debuggerManagerActions() const
{
    return d->m_actions;
}

QLabel *DebuggerManager::statusLabel() const
{
    return d->m_statusLabel;
}

IDebuggerEngine *DebuggerManager::currentEngine() const
{
    return d->m_engine;
}

ModulesHandler *DebuggerManager::modulesHandler() const
{
    return d->m_modulesHandler;
}

BreakHandler *DebuggerManager::breakHandler() const
{
    return d->m_breakHandler;
}

RegisterHandler *DebuggerManager::registerHandler() const
{
    return d->m_registerHandler;
}

StackHandler *DebuggerManager::stackHandler() const
{
    return d->m_stackHandler;
}

ThreadsHandler *DebuggerManager::threadsHandler() const
{
    return d->m_threadsHandler;
}

WatchHandler *DebuggerManager::watchHandler() const
{
    return d->m_watchHandler;
}

SnapshotHandler *DebuggerManager::snapshotHandler() const
{
    return d->m_snapshotHandler;
}

const CPlusPlus::Snapshot &DebuggerManager::cppCodeModelSnapshot() const
{
    if (d->m_codeModelSnapshot.isEmpty() && theDebuggerAction(UseCodeModel)->isChecked())
        d->m_codeModelSnapshot = CppTools::CppModelManagerInterface::instance()->snapshot();
    return d->m_codeModelSnapshot;
}

void DebuggerManager::clearCppCodeModelSnapshot()
{
    d->m_codeModelSnapshot = CPlusPlus::Snapshot();
}

SourceFilesWindow *DebuggerManager::sourceFileWindow() const
{
    return d->m_sourceFilesWindow;
}

QWidget *DebuggerManager::threadsWindow() const
{
    return d->m_threadsWindow;
}

void DebuggerManager::createNewDock(QWidget *widget)
{
    QDockWidget *dockWidget =
        DebuggerUISwitcher::instance()->createDockWidget(LANG_CPP, widget);
    dockWidget->setWindowTitle(widget->windowTitle());
    dockWidget->setObjectName(widget->windowTitle());
    dockWidget->setFeatures(QDockWidget::DockWidgetClosable);
    //dockWidget->setWidget(widget);
    //d->m_mainWindow->addDockWidget(Qt::TopDockWidgetArea, dockWidget);
    dockWidget->show();
}

void DebuggerManager::setSimpleDockWidgetArrangement(const QString &activeLanguage)
{
    if (activeLanguage == LANG_CPP || activeLanguage.isEmpty()) {
        d->m_mainWindow->setTrackingEnabled(false);
        QList<QDockWidget *> dockWidgets = d->m_mainWindow->dockWidgets();
        foreach (QDockWidget *dockWidget, dockWidgets) {
            if (d->m_dockWidgets.contains(dockWidget)) {
                dockWidget->setFloating(false);
                d->m_mainWindow->removeDockWidget(dockWidget);
            }
        }

        foreach (QDockWidget *dockWidget, dockWidgets) {
            if (d->m_dockWidgets.contains(dockWidget)) {
                if (dockWidget == d->m_outputDock)
                    d->m_mainWindow->addDockWidget(Qt::TopDockWidgetArea, dockWidget);
                else
                    d->m_mainWindow->addDockWidget(Qt::BottomDockWidgetArea, dockWidget);
                dockWidget->show();
            }
        }

        d->m_mainWindow->tabifyDockWidget(d->m_watchDock, d->m_breakDock);
        d->m_mainWindow->tabifyDockWidget(d->m_watchDock, d->m_modulesDock);
        d->m_mainWindow->tabifyDockWidget(d->m_watchDock, d->m_registerDock);
        d->m_mainWindow->tabifyDockWidget(d->m_watchDock, d->m_threadsDock);
        d->m_mainWindow->tabifyDockWidget(d->m_watchDock, d->m_sourceFilesDock);
        d->m_mainWindow->tabifyDockWidget(d->m_watchDock, d->m_snapshotDock);
        // They following views are rarely used in ordinary debugging. Hiding them
        // saves cycles since the corresponding information won't be retrieved.
        d->m_sourceFilesDock->hide();
        d->m_registerDock->hide();
        d->m_modulesDock->hide();
        d->m_outputDock->hide();
        d->m_mainWindow->setTrackingEnabled(true);
    }
}

QAbstractItemModel *DebuggerManager::threadsModel()
{
    return qobject_cast<ThreadsWindow*>(d->m_threadsWindow)->model();
}

void DebuggerManager::clearStatusMessage()
{
    d->m_statusLabel->setText(d->m_lastPermanentStatusMessage);
}

void DebuggerManager::showStatusMessage(const QString &msg0, int timeout)
{
    Q_UNUSED(timeout)
    showDebuggerOutput(LogStatus, msg0);
    QString msg = msg0;
    msg.replace(QLatin1Char('\n'), QString());
    d->m_statusLabel->setText(msg);
    if (timeout > 0) {
        d->m_statusTimer->setSingleShot(true);
        d->m_statusTimer->start(timeout);
    } else {
        d->m_lastPermanentStatusMessage = msg;
        d->m_statusTimer->stop();
    }
}

void DebuggerManager::notifyInferiorStopped()
{
    setState(InferiorStopped);
    showStatusMessage(tr("Stopped"), 5000);
}

void DebuggerManager::notifyInferiorRunning()
{
    setState(InferiorRunning);
    showStatusMessage(tr("Running..."), 5000);
}

void DebuggerManager::notifyInferiorExited()
{
    setState(DebuggerNotReady);
    showStatusMessage(tr("Exited"), 5000);
}

void DebuggerManager::notifyInferiorPidChanged(qint64 pid)