qmlprojectrunconfiguration.cpp 13.3 KB
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/**************************************************************************
**
** This file is part of Qt Creator
**
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** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
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** No Commercial Usage
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**
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** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
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**
** 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.
**
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** In addition, as a special exception, Nokia gives you certain additional
** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
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**
**************************************************************************/

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#include "qmlprojectrunconfiguration.h"
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#include "qmlproject.h"
#include "qmlprojectmanagerconstants.h"
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#include "qmlprojectrunconfigurationwidget.h"
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#include <coreplugin/mimedatabase.h>
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#include <coreplugin/editormanager/editormanager.h>
#include <coreplugin/editormanager/ieditor.h>
#include <coreplugin/icore.h>
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#include <utils/qtcassert.h>
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#include <utils/qtcprocess.h>
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#include <qt4projectmanager/qtversionmanager.h>
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#include <qt4projectmanager/qtoutputformatter.h>
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#include <qt4projectmanager/qt4projectmanagerconstants.h>
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#ifdef Q_OS_WIN32
#include <Windows.h>
#endif

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using Core::EditorManager;
using Core::ICore;
using Core::IEditor;
using Qt4ProjectManager::QtVersionManager;

using namespace QmlProjectManager::Internal;
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namespace QmlProjectManager {

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const char * const M_CURRENT_FILE = "CurrentFile";
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QmlProjectRunConfiguration::QmlProjectRunConfiguration(QmlProjectTarget *parent) :
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    ProjectExplorer::RunConfiguration(parent, QLatin1String(Constants::QML_RC_ID)),
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    m_qtVersionId(-1),
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    m_projectTarget(parent),
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    m_usingCurrentFile(true),
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    m_isEnabled(false)
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{
    ctor();
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    updateQtVersions();
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}

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QmlProjectRunConfiguration::QmlProjectRunConfiguration(QmlProjectTarget *parent,
                                                       QmlProjectRunConfiguration *source) :
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    ProjectExplorer::RunConfiguration(parent, source),
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    m_qtVersionId(source->m_qtVersionId),
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    m_scriptFile(source->m_scriptFile),
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    m_qmlViewerArgs(source->m_qmlViewerArgs),
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    m_projectTarget(parent),
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    m_usingCurrentFile(source->m_usingCurrentFile),
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    m_userEnvironmentChanges(source->m_userEnvironmentChanges)
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{
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    ctor();
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    updateQtVersions();
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}

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bool QmlProjectRunConfiguration::isEnabled(ProjectExplorer::BuildConfiguration *bc) const
{
    Q_UNUSED(bc);

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    return m_isEnabled;
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}

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void QmlProjectRunConfiguration::ctor()
{
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    // reset default settings in constructor
    setUseCppDebugger(false);
    setUseQmlDebugger(true);

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    EditorManager *em = Core::EditorManager::instance();
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    connect(em, SIGNAL(currentEditorChanged(Core::IEditor*)),
            this, SLOT(changeCurrentFile(Core::IEditor*)));

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    QtVersionManager *qtVersions = QtVersionManager::instance();
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    connect(qtVersions, SIGNAL(qtVersionsChanged(QList<int>)), this, SLOT(updateQtVersions()));
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    setDisplayName(tr("QML Viewer", "QMLRunConfiguration display name."));
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}

QmlProjectRunConfiguration::~QmlProjectRunConfiguration()
{
}

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QmlProjectTarget *QmlProjectRunConfiguration::qmlTarget() const
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{
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    return static_cast<QmlProjectTarget *>(target());
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}

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QString QmlProjectRunConfiguration::viewerPath() const
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{
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    Qt4ProjectManager::QtVersion *version = qtVersion();
    if (!version) {
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        return QString();
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    } else {
        return version->qmlviewerCommand();
    }
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}

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QString QmlProjectRunConfiguration::observerPath() const
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{
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    Qt4ProjectManager::QtVersion *version = qtVersion();
    if (!version) {
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        return QString();
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    } else {
        return version->qmlObserverTool();
    }
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}

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QString QmlProjectRunConfiguration::viewerArguments() const
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{
    // arguments in .user file
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    QString args = m_qmlViewerArgs;
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    // arguments from .qmlproject file
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    foreach (const QString &importPath, qmlTarget()->qmlProject()->importPaths()) {
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        Utils::QtcProcess::addArg(&args, "-I");
        Utils::QtcProcess::addArg(&args, importPath);
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    }

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    QString s = mainScript();
    if (!s.isEmpty()) {
        s = canonicalCapsPath(s);
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        Utils::QtcProcess::addArg(&args, s);
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    }
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    return args;
}

QString QmlProjectRunConfiguration::workingDirectory() const
{
    QFileInfo projectFile(qmlTarget()->qmlProject()->file()->fileName());
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    return canonicalCapsPath(projectFile.absolutePath());
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}

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int QmlProjectRunConfiguration::qtVersionId() const
{
    return m_qtVersionId;
}

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void QmlProjectRunConfiguration::setQtVersionId(int id)
{
    if (m_qtVersionId == id)
        return;

    m_qtVersionId = id;
    qmlTarget()->qmlProject()->refresh(QmlProject::Configuration);
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    if (m_configurationWidget)
        m_configurationWidget.data()->updateQtVersionComboBox();
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}

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/* QtDeclarative checks explicitly that the capitalization for any URL / path
   is exactly like the capitalization on disk. This method is uses the same
   native Windows API's to get the exact canonical path. */
QString QmlProjectRunConfiguration::canonicalCapsPath(const QString &fileName)
{
    QString canonicalPath = QFileInfo(fileName).canonicalFilePath();

#if defined(Q_OS_WIN32)
    wchar_t *buffer = 0;
    do {
        long length = ::GetLongPathName((wchar_t*)fileName.utf16(), NULL, 0);
        if (!length)
            break;
        buffer = new wchar_t[length];
        DWORD rv = ::GetLongPathName((wchar_t*)fileName.utf16(), buffer, length);
        if (!rv)
            break;
        canonicalPath = QString((QChar*)buffer);
    } while (false);
    delete buffer;
#endif
    
    return canonicalPath;
}


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Qt4ProjectManager::QtVersion *QmlProjectRunConfiguration::qtVersion() const
{
    if (m_qtVersionId == -1)
        return 0;

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    QtVersionManager *versionManager = QtVersionManager::instance();
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    Qt4ProjectManager::QtVersion *version = versionManager->version(m_qtVersionId);
    QTC_ASSERT(version, return 0);

    return version;
}

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QWidget *QmlProjectRunConfiguration::createConfigurationWidget()
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{
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    QTC_ASSERT(m_configurationWidget.isNull(), return m_configurationWidget.data());
    m_configurationWidget = new QmlProjectRunConfigurationWidget(this);
    return m_configurationWidget.data();
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}

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ProjectExplorer::OutputFormatter *QmlProjectRunConfiguration::createOutputFormatter() const
{
    return new Qt4ProjectManager::QtOutputFormatter(qmlTarget()->qmlProject());
}
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QmlProjectRunConfiguration::MainScriptSource QmlProjectRunConfiguration::mainScriptSource() const
{
    if (m_usingCurrentFile) {
        return FileInEditor;
    }
    if (!m_mainScriptFilename.isEmpty()) {
        return FileInSettings;
    }
    return FileInProjectFile;
}

/**
  Returns absolute path to main script file.
  */
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QString QmlProjectRunConfiguration::mainScript() const
{
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    if (m_usingCurrentFile) {
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        return m_currentFileFilename;
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    }

    if (!m_mainScriptFilename.isEmpty()) {
        return m_mainScriptFilename;
    }
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    QString path = qmlTarget()->qmlProject()->mainFile();
    if (QFileInfo(path).isAbsolute()) {
        return path;
    } else {
        return qmlTarget()->qmlProject()->projectDir().absoluteFilePath(path);
    }
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}

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void QmlProjectRunConfiguration::setScriptSource(MainScriptSource source,
                                                 const QString &settingsPath)
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{
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    if (source == FileInEditor) {
        m_scriptFile = M_CURRENT_FILE;
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        m_mainScriptFilename.clear();
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        m_usingCurrentFile = true;
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    } else if (source == FileInProjectFile) {
        m_scriptFile.clear();
        m_mainScriptFilename.clear();
        m_usingCurrentFile = false;
    } else { // FileInSettings
        m_scriptFile = settingsPath;
        m_mainScriptFilename
                = qmlTarget()->qmlProject()->projectDir().absoluteFilePath(m_scriptFile);
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        m_usingCurrentFile = false;
    }
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    updateEnabled();
    if (m_configurationWidget)
        m_configurationWidget.data()->updateFileComboBox();
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}

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Utils::Environment QmlProjectRunConfiguration::environment() const
{
    Utils::Environment env = baseEnvironment();
    env.modify(userEnvironmentChanges());
    return env;
}

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QVariantMap QmlProjectRunConfiguration::toMap() const
{
    QVariantMap map(ProjectExplorer::RunConfiguration::toMap());

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    map.insert(QLatin1String(Constants::QML_VIEWER_QT_KEY), m_qtVersionId);
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    map.insert(QLatin1String(Constants::QML_VIEWER_ARGUMENTS_KEY), m_qmlViewerArgs);
    map.insert(QLatin1String(Constants::QML_MAINSCRIPT_KEY),  m_scriptFile);
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    map.insert(QLatin1String(Constants::USER_ENVIRONMENT_CHANGES_KEY),
               Utils::EnvironmentItem::toStringList(m_userEnvironmentChanges));
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    return map;
}

bool QmlProjectRunConfiguration::fromMap(const QVariantMap &map)
{
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    setQtVersionId(map.value(QLatin1String(Constants::QML_VIEWER_QT_KEY), -1).toInt());
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    m_qmlViewerArgs = map.value(QLatin1String(Constants::QML_VIEWER_ARGUMENTS_KEY)).toString();
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    m_scriptFile = map.value(QLatin1String(Constants::QML_MAINSCRIPT_KEY), M_CURRENT_FILE).toString();
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    m_userEnvironmentChanges = Utils::EnvironmentItem::fromStringList(
                map.value(QLatin1String(Constants::USER_ENVIRONMENT_CHANGES_KEY)).toStringList());

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    updateQtVersions();
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    if (m_scriptFile == M_CURRENT_FILE) {
        setScriptSource(FileInEditor);
    } else if (m_scriptFile.isEmpty()) {
        setScriptSource(FileInProjectFile);
    } else {
        setScriptSource(FileInSettings, m_scriptFile);
    }
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    return RunConfiguration::fromMap(map);
}

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void QmlProjectRunConfiguration::changeCurrentFile(Core::IEditor * /*editor*/)
{
    updateEnabled();
}

void QmlProjectRunConfiguration::updateEnabled()
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{
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    bool qmlFileFound = false;
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    if (m_usingCurrentFile) {
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        Core::IEditor *editor = Core::EditorManager::instance()->currentEditor();
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        Core::MimeDatabase *db = ICore::instance()->mimeDatabase();
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        if (editor) {
            m_currentFileFilename = editor->file()->fileName();
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            if (db->findByFile(mainScript()).type() == QLatin1String("application/x-qml"))
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                qmlFileFound = true;
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        }
        if (!editor
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            || db->findByFile(mainScript()).type() == QLatin1String("application/x-qmlproject")) {
            // find a qml file with lowercase filename. This is slow, but only done
            // in initialization/other border cases.
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            foreach(const QString &filename, m_projectTarget->qmlProject()->files()) {
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                const QFileInfo fi(filename);

                if (!filename.isEmpty() && fi.baseName()[0].isLower()
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                    && db->findByFile(fi).type() == QLatin1String("application/x-qml"))
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                {
                    m_currentFileFilename = filename;
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                    qmlFileFound = true;
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                    break;
                }

            }
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        }
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    } else { // use default one
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        qmlFileFound = !mainScript().isEmpty();
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    }

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    bool newValue = (QFileInfo(viewerPath()).exists()
                    || QFileInfo(observerPath()).exists()) && qmlFileFound;
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    // Always emit change signal to force reevaluation of run/debug buttons
    m_isEnabled = newValue;
    emit isEnabledChanged(m_isEnabled);
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}

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void QmlProjectRunConfiguration::updateQtVersions()
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{
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    QtVersionManager *qtVersions = QtVersionManager::instance();
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    //
    // update m_qtVersionId
    //
    if (!qtVersions->isValidId(m_qtVersionId)
            || !isValidVersion(qtVersions->version(m_qtVersionId))) {
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        int newVersionId = -1;
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        // take first one you find
        foreach (Qt4ProjectManager::QtVersion *version, qtVersions->validVersions()) {
            if (isValidVersion(version)) {
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                newVersionId = version->uniqueId();
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                break;
            }
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        }
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        setQtVersionId(newVersionId);
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    }

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    updateEnabled();
}

bool QmlProjectRunConfiguration::isValidVersion(Qt4ProjectManager::QtVersion *version)
{
    if (version
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            && (version->supportsTargetId(Qt4ProjectManager::Constants::DESKTOP_TARGET_ID)
                || version->supportsTargetId(Qt4ProjectManager::Constants::QT_SIMULATOR_TARGET_ID))
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            && !version->qmlviewerCommand().isEmpty()) {
        return true;
    }
    return false;
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}

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Utils::Environment QmlProjectRunConfiguration::baseEnvironment() const
{
    Utils::Environment env;
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    if (qtVersion())
        env = qtVersion()->qmlToolsEnvironment();
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    return env;
}

void QmlProjectRunConfiguration::setUserEnvironmentChanges(const QList<Utils::EnvironmentItem> &diff)
{
    if (m_userEnvironmentChanges != diff) {
        m_userEnvironmentChanges = diff;
        if (m_configurationWidget)
            m_configurationWidget.data()->userEnvironmentChangesChanged();
    }
}

QList<Utils::EnvironmentItem> QmlProjectRunConfiguration::userEnvironmentChanges() const
{
    return m_userEnvironmentChanges;
}


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} // namespace QmlProjectManager