/*
 * Cppcheck - A tool for static C/C++ code analysis
 * Copyright (C) 2007-2022 Cppcheck team.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "mainwindow.h"

#include "applicationlist.h"
#include "aboutdialog.h"
#include "common.h"
#include "cppcheck.h"
#include "filelist.h"
#include "fileviewdialog.h"
#include "functioncontractdialog.h"
#include "helpdialog.h"
#include "librarydialog.h"
#include "projectfile.h"
#include "projectfiledialog.h"
#include "report.h"
#include "scratchpad.h"
#include "showtypes.h"
#include "statsdialog.h"
#include "settingsdialog.h"
#include "threadhandler.h"
#include "threadresult.h"
#include "translationhandler.h"
#include "variablecontractsdialog.h"

#include <QApplication>
#include <QAction>
#include <QActionGroup>
#include <QDebug>
#include <QDir>
#include <QFile>
#include <QFileInfo>
#include <QInputDialog>
#include <QMessageBox>
#include <QSettings>
#include <QTimer>

static const QString OnlineHelpURL("https://cppcheck.sourceforge.io/manual.html");
static const QString compile_commands_json("compile_commands.json");

MainWindow::MainWindow(TranslationHandler* th, QSettings* settings) :
    mSettings(settings),
    mApplications(new ApplicationList(this)),
    mTranslation(th),
    mScratchPad(nullptr),
    mProjectFile(nullptr),
    mPlatformActions(new QActionGroup(this)),
    mCStandardActions(new QActionGroup(this)),
    mCppStandardActions(new QActionGroup(this)),
    mSelectLanguageActions(new QActionGroup(this)),
    mExiting(false),
    mIsLogfileLoaded(false)
{
    mUI.setupUi(this);
    mThread = new ThreadHandler(this);
    mThread->setDataDir(getDataDir());
    mUI.mResults->initialize(mSettings, mApplications, mThread);

    // Filter timer to delay filtering results slightly while typing
    mFilterTimer = new QTimer(this);
    mFilterTimer->setInterval(500);
    mFilterTimer->setSingleShot(true);
    connect(mFilterTimer, &QTimer::timeout, this, &MainWindow::filterResults);

    // "Filter" toolbar
    mLineEditFilter = new QLineEdit(mUI.mToolBarFilter);
    mLineEditFilter->setPlaceholderText(tr("Quick Filter:"));
    mLineEditFilter->setClearButtonEnabled(true);
    mUI.mToolBarFilter->addWidget(mLineEditFilter);
    connect(mLineEditFilter, SIGNAL(textChanged(const QString&)), mFilterTimer, SLOT(start()));
    connect(mLineEditFilter, &QLineEdit::returnPressed, this, &MainWindow::filterResults);

    connect(mUI.mActionPrint, SIGNAL(triggered()), mUI.mResults, SLOT(print()));
    connect(mUI.mActionPrintPreview, SIGNAL(triggered()), mUI.mResults, SLOT(printPreview()));
    connect(mUI.mActionQuit, &QAction::triggered, this, &MainWindow::close);
    connect(mUI.mActionAnalyzeFiles, &QAction::triggered, this, &MainWindow::analyzeFiles);
    connect(mUI.mActionAnalyzeDirectory, &QAction::triggered, this, &MainWindow::analyzeDirectory);
    connect(mUI.mActionSettings, &QAction::triggered, this, &MainWindow::programSettings);
    connect(mUI.mActionClearResults, &QAction::triggered, this, &MainWindow::clearResults);
    connect(mUI.mActionOpenXML, &QAction::triggered, this, &MainWindow::openResults);

    connect(mUI.mActionShowStyle, &QAction::toggled, this, &MainWindow::showStyle);
    connect(mUI.mActionShowErrors, &QAction::toggled, this, &MainWindow::showErrors);
    connect(mUI.mActionShowWarnings, &QAction::toggled, this, &MainWindow::showWarnings);
    connect(mUI.mActionShowPortability, &QAction::toggled, this, &MainWindow::showPortability);
    connect(mUI.mActionShowPerformance, &QAction::toggled, this, &MainWindow::showPerformance);
    connect(mUI.mActionShowInformation, &QAction::toggled, this, &MainWindow::showInformation);
    connect(mUI.mActionShowCppcheck, &QAction::toggled, mUI.mResults, &ResultsView::showCppcheckResults);
    connect(mUI.mActionShowClang, &QAction::toggled, mUI.mResults, &ResultsView::showClangResults);
    connect(mUI.mActionCheckAll, &QAction::triggered, this, &MainWindow::checkAll);
    connect(mUI.mActionUncheckAll, &QAction::triggered, this, &MainWindow::uncheckAll);
    connect(mUI.mActionCollapseAll, &QAction::triggered, mUI.mResults, &ResultsView::collapseAllResults);
    connect(mUI.mActionExpandAll, &QAction::triggered, mUI.mResults, &ResultsView::expandAllResults);
    connect(mUI.mActionShowHidden, &QAction::triggered, mUI.mResults, &ResultsView::showHiddenResults);
    connect(mUI.mActionViewStats, &QAction::triggered, this, &MainWindow::showStatistics);
    connect(mUI.mActionLibraryEditor, &QAction::triggered, this, &MainWindow::showLibraryEditor);

    connect(mUI.mActionReanalyzeModified, &QAction::triggered, this, &MainWindow::reAnalyzeModified);
    connect(mUI.mActionReanalyzeAll, &QAction::triggered, this, &MainWindow::reAnalyzeAll);
    connect(mUI.mActionCheckLibrary, &QAction::triggered, this, &MainWindow::checkLibrary);
    connect(mUI.mActionCheckConfiguration, &QAction::triggered, this, &MainWindow::checkConfiguration);

    connect(mUI.mActionStop, &QAction::triggered, this, &MainWindow::stopAnalysis);
    connect(mUI.mActionSave, &QAction::triggered, this, &MainWindow::save);

    // About menu
    connect(mUI.mActionAbout, &QAction::triggered, this, &MainWindow::about);
    connect(mUI.mActionLicense, &QAction::triggered, this, &MainWindow::showLicense);

    // View > Toolbar menu
    connect(mUI.mActionToolBarMain, SIGNAL(toggled(bool)), this, SLOT(toggleMainToolBar()));
    connect(mUI.mActionToolBarView, SIGNAL(toggled(bool)), this, SLOT(toggleViewToolBar()));
    connect(mUI.mActionToolBarFilter, SIGNAL(toggled(bool)), this, SLOT(toggleFilterToolBar()));

    connect(mUI.mActionAuthors, &QAction::triggered, this, &MainWindow::showAuthors);
    connect(mThread, &ThreadHandler::done, this, &MainWindow::analysisDone);
    connect(mThread, &ThreadHandler::log, mUI.mResults, &ResultsView::log);
    connect(mThread, &ThreadHandler::debugError, mUI.mResults, &ResultsView::debugError);
    connect(mThread, &ThreadHandler::bughuntingReportLine, mUI.mResults, &ResultsView::bughuntingReportLine);
    connect(mUI.mResults, &ResultsView::gotResults, this, &MainWindow::resultsAdded);
    connect(mUI.mResults, &ResultsView::resultsHidden, mUI.mActionShowHidden, &QAction::setEnabled);
    connect(mUI.mResults, &ResultsView::checkSelected, this, &MainWindow::performSelectedFilesCheck);
    connect(mUI.mResults, &ResultsView::suppressIds, this, &MainWindow::suppressIds);
    connect(mUI.mResults, &ResultsView::editFunctionContract, this, &MainWindow::editFunctionContract);
    connect(mUI.mResults, &ResultsView::editVariableContract, this, &MainWindow::editVariableContract);
    connect(mUI.mResults, &ResultsView::deleteFunctionContract, this, &MainWindow::deleteFunctionContract);
    connect(mUI.mResults, &ResultsView::deleteVariableContract, this, &MainWindow::deleteVariableContract);
    connect(mUI.mMenuView, &QMenu::aboutToShow, this, &MainWindow::aboutToShowViewMenu);

    // File menu
    connect(mUI.mActionNewProjectFile, &QAction::triggered, this, &MainWindow::newProjectFile);
    connect(mUI.mActionOpenProjectFile, &QAction::triggered, this, &MainWindow::openProjectFile);
    connect(mUI.mActionShowScratchpad, &QAction::triggered, this, &MainWindow::showScratchpad);
    connect(mUI.mActionCloseProjectFile, &QAction::triggered, this, &MainWindow::closeProjectFile);
    connect(mUI.mActionEditProjectFile, &QAction::triggered, this, &MainWindow::editProjectFile);

    connect(mUI.mActionHelpContents, &QAction::triggered, this, &MainWindow::openHelpContents);

    loadSettings();

    mThread->initialize(mUI.mResults);
    if (mProjectFile)
        formatAndSetTitle(tr("Project:") + ' ' + mProjectFile->getFilename());
    else
        formatAndSetTitle();

    enableCheckButtons(true);

    mUI.mActionPrint->setShortcut(QKeySequence::Print);
    enableResultsButtons();
    enableProjectOpenActions(true);
    enableProjectActions(false);

    // Must setup MRU menu before CLI param handling as it can load a
    // project file and update MRU menu.
    for (int i = 0; i < MaxRecentProjects; ++i) {
        mRecentProjectActs[i] = new QAction(this);
        mRecentProjectActs[i]->setVisible(false);
        connect(mRecentProjectActs[i], SIGNAL(triggered()),
                this, SLOT(openRecentProject()));
    }
    mRecentProjectActs[MaxRecentProjects] = nullptr; // The separator
    mUI.mActionProjectMRU->setVisible(false);
    updateMRUMenuItems();

    QStringList args = QCoreApplication::arguments();
    //Remove the application itself
    args.removeFirst();
    if (!args.isEmpty()) {
        handleCLIParams(args);
    }

    mUI.mActionCloseProjectFile->setEnabled(mProjectFile != nullptr);
    mUI.mActionEditProjectFile->setEnabled(mProjectFile != nullptr);

    for (int i = 0; i < mPlatforms.getCount(); i++) {
        Platform platform = mPlatforms.mPlatforms[i];
        QAction *action = new QAction(this);
        platform.mActMainWindow = action;
        mPlatforms.mPlatforms[i] = platform;
        action->setText(platform.mTitle);
        action->setData(platform.mType);
        action->setCheckable(true);
        action->setActionGroup(mPlatformActions);
        mUI.mMenuAnalyze->insertAction(mUI.mActionPlatforms, action);
        connect(action, SIGNAL(triggered()), this, SLOT(selectPlatform()));
    }

    mUI.mActionC89->setActionGroup(mCStandardActions);
    mUI.mActionC99->setActionGroup(mCStandardActions);
    mUI.mActionC11->setActionGroup(mCStandardActions);

    mUI.mActionCpp03->setActionGroup(mCppStandardActions);
    mUI.mActionCpp11->setActionGroup(mCppStandardActions);
    mUI.mActionCpp14->setActionGroup(mCppStandardActions);
    mUI.mActionCpp17->setActionGroup(mCppStandardActions);
    mUI.mActionCpp20->setActionGroup(mCppStandardActions);

    mUI.mActionEnforceC->setActionGroup(mSelectLanguageActions);
    mUI.mActionEnforceCpp->setActionGroup(mSelectLanguageActions);
    mUI.mActionAutoDetectLanguage->setActionGroup(mSelectLanguageActions);

    // For Windows platforms default to Win32 checked platform.
    // For other platforms default to unspecified/default which means the
    // platform Cppcheck GUI was compiled on.
#if defined(_WIN32)
    const Settings::PlatformType defaultPlatform = Settings::Win32W;
#else
    const Settings::PlatformType defaultPlatform = Settings::Unspecified;
#endif
    Platform &platform = mPlatforms.get((Settings::PlatformType)mSettings->value(SETTINGS_CHECKED_PLATFORM, defaultPlatform).toInt());
    platform.mActMainWindow->setChecked(true);
}

MainWindow::~MainWindow()
{
    delete mProjectFile;
    delete mScratchPad;
}

void MainWindow::handleCLIParams(const QStringList &params)
{
    int index;
    if (params.contains("-p")) {
        index = params.indexOf("-p");
        if ((index + 1) < params.length())
            loadProjectFile(params[index + 1]);
    } else if (params.contains("-l")) {
        QString logFile;
        index = params.indexOf("-l");
        if ((index + 1) < params.length())
            logFile = params[index + 1];

        if (params.contains("-d")) {
            QString checkedDir;
            index = params.indexOf("-d");
            if ((index + 1) < params.length())
                checkedDir = params[index + 1];

            loadResults(logFile, checkedDir);
        } else {
            loadResults(logFile);
        }
    } else if ((index = params.indexOf(QRegExp(".*\\.cppcheck$", Qt::CaseInsensitive), 0)) >= 0 && index < params.length() && QFile(params[index]).exists()) {
        loadProjectFile(params[index]);
    } else if ((index = params.indexOf(QRegExp(".*\\.xml$", Qt::CaseInsensitive), 0)) >= 0 && index < params.length() && QFile(params[index]).exists()) {
        loadResults(params[index],QDir::currentPath());
    } else
        doAnalyzeFiles(params);
}

void MainWindow::loadSettings()
{
    // Window/dialog sizes
    if (mSettings->value(SETTINGS_WINDOW_MAXIMIZED, false).toBool()) {
        showMaximized();
    } else {
        resize(mSettings->value(SETTINGS_WINDOW_WIDTH, 800).toInt(),
               mSettings->value(SETTINGS_WINDOW_HEIGHT, 600).toInt());
    }

    ShowTypes *types = mUI.mResults->getShowTypes();
    mUI.mActionShowStyle->setChecked(types->isShown(ShowTypes::ShowStyle));
    mUI.mActionShowErrors->setChecked(types->isShown(ShowTypes::ShowErrors));
    mUI.mActionShowWarnings->setChecked(types->isShown(ShowTypes::ShowWarnings));
    mUI.mActionShowPortability->setChecked(types->isShown(ShowTypes::ShowPortability));
    mUI.mActionShowPerformance->setChecked(types->isShown(ShowTypes::ShowPerformance));
    mUI.mActionShowInformation->setChecked(types->isShown(ShowTypes::ShowInformation));
    mUI.mActionShowCppcheck->setChecked(true);
    mUI.mActionShowClang->setChecked(true);

    Standards standards;
    standards.setC(mSettings->value(SETTINGS_STD_C, QString()).toString().toStdString());
    mUI.mActionC89->setChecked(standards.c == Standards::C89);
    mUI.mActionC99->setChecked(standards.c == Standards::C99);
    mUI.mActionC11->setChecked(standards.c == Standards::C11);
    standards.setCPP(mSettings->value(SETTINGS_STD_CPP, QString()).toString().toStdString());
    mUI.mActionCpp03->setChecked(standards.cpp == Standards::CPP03);
    mUI.mActionCpp11->setChecked(standards.cpp == Standards::CPP11);
    mUI.mActionCpp14->setChecked(standards.cpp == Standards::CPP14);
    mUI.mActionCpp17->setChecked(standards.cpp == Standards::CPP17);
    mUI.mActionCpp20->setChecked(standards.cpp == Standards::CPP20);

    // Main window settings
    const bool showMainToolbar = mSettings->value(SETTINGS_TOOLBARS_MAIN_SHOW, true).toBool();
    mUI.mActionToolBarMain->setChecked(showMainToolbar);
    mUI.mToolBarMain->setVisible(showMainToolbar);

    const bool showViewToolbar = mSettings->value(SETTINGS_TOOLBARS_VIEW_SHOW, true).toBool();
    mUI.mActionToolBarView->setChecked(showViewToolbar);
    mUI.mToolBarView->setVisible(showViewToolbar);

    const bool showFilterToolbar = mSettings->value(SETTINGS_TOOLBARS_FILTER_SHOW, true).toBool();
    mUI.mActionToolBarFilter->setChecked(showFilterToolbar);
    mUI.mToolBarFilter->setVisible(showFilterToolbar);

    Settings::Language enforcedLanguage = (Settings::Language)mSettings->value(SETTINGS_ENFORCED_LANGUAGE, 0).toInt();
    if (enforcedLanguage == Settings::CPP)
        mUI.mActionEnforceCpp->setChecked(true);
    else if (enforcedLanguage == Settings::C)
        mUI.mActionEnforceC->setChecked(true);
    else
        mUI.mActionAutoDetectLanguage->setChecked(true);

    bool succeeded = mApplications->loadSettings();
    if (!succeeded) {
        const QString msg = tr("There was a problem with loading the editor application settings.\n\n"
                               "This is probably because the settings were changed between the Cppcheck versions. "
                               "Please check (and fix) the editor application settings, otherwise the editor "
                               "program might not start correctly.");
        QMessageBox msgBox(QMessageBox::Warning,
                           tr("Cppcheck"),
                           msg,
                           QMessageBox::Ok,
                           this);
        msgBox.exec();
    }

    const QString projectFile = mSettings->value(SETTINGS_OPEN_PROJECT, QString()).toString();
    if (!projectFile.isEmpty() && QCoreApplication::arguments().size()==1) {
        QFileInfo inf(projectFile);
        if (inf.exists() && inf.isReadable()) {
            setPath(SETTINGS_LAST_PROJECT_PATH, projectFile);
            mProjectFile = new ProjectFile(this);
            mProjectFile->setActiveProject();
            mProjectFile->read(projectFile);
            loadLastResults();
            QDir::setCurrent(inf.absolutePath());
        }
    }

    updateFunctionContractsTab();
    updateVariableContractsTab();
}

void MainWindow::saveSettings() const
{
    // Window/dialog sizes
    mSettings->setValue(SETTINGS_WINDOW_WIDTH, size().width());
    mSettings->setValue(SETTINGS_WINDOW_HEIGHT, size().height());
    mSettings->setValue(SETTINGS_WINDOW_MAXIMIZED, isMaximized());

    // Show * states
    mSettings->setValue(SETTINGS_SHOW_STYLE, mUI.mActionShowStyle->isChecked());
    mSettings->setValue(SETTINGS_SHOW_ERRORS, mUI.mActionShowErrors->isChecked());
    mSettings->setValue(SETTINGS_SHOW_WARNINGS, mUI.mActionShowWarnings->isChecked());
    mSettings->setValue(SETTINGS_SHOW_PORTABILITY, mUI.mActionShowPortability->isChecked());
    mSettings->setValue(SETTINGS_SHOW_PERFORMANCE, mUI.mActionShowPerformance->isChecked());
    mSettings->setValue(SETTINGS_SHOW_INFORMATION, mUI.mActionShowInformation->isChecked());

    if (mUI.mActionC89->isChecked())
        mSettings->setValue(SETTINGS_STD_C, "C89");
    if (mUI.mActionC99->isChecked())
        mSettings->setValue(SETTINGS_STD_C, "C99");
    if (mUI.mActionC11->isChecked())
        mSettings->setValue(SETTINGS_STD_C, "C11");

    if (mUI.mActionCpp03->isChecked())
        mSettings->setValue(SETTINGS_STD_CPP, "C++03");
    if (mUI.mActionCpp11->isChecked())
        mSettings->setValue(SETTINGS_STD_CPP, "C++11");
    if (mUI.mActionCpp14->isChecked())
        mSettings->setValue(SETTINGS_STD_CPP, "C++14");
    if (mUI.mActionCpp17->isChecked())
        mSettings->setValue(SETTINGS_STD_CPP, "C++17");
    if (mUI.mActionCpp20->isChecked())
        mSettings->setValue(SETTINGS_STD_CPP, "C++20");

    // Main window settings
    mSettings->setValue(SETTINGS_TOOLBARS_MAIN_SHOW, mUI.mToolBarMain->isVisible());
    mSettings->setValue(SETTINGS_TOOLBARS_VIEW_SHOW, mUI.mToolBarView->isVisible());
    mSettings->setValue(SETTINGS_TOOLBARS_FILTER_SHOW, mUI.mToolBarFilter->isVisible());

    if (mUI.mActionEnforceCpp->isChecked())
        mSettings->setValue(SETTINGS_ENFORCED_LANGUAGE, Settings::CPP);
    else if (mUI.mActionEnforceC->isChecked())
        mSettings->setValue(SETTINGS_ENFORCED_LANGUAGE, Settings::C);
    else
        mSettings->setValue(SETTINGS_ENFORCED_LANGUAGE, Settings::None);

    mApplications->saveSettings();

    mSettings->setValue(SETTINGS_LANGUAGE, mTranslation->getCurrentLanguage());

    mSettings->setValue(SETTINGS_OPEN_PROJECT, mProjectFile ? mProjectFile->getFilename() : QString());

    mUI.mResults->saveSettings(mSettings);
}

void MainWindow::doAnalyzeProject(ImportProject p, const bool checkLibrary, const bool checkConfiguration)
{
    clearResults();

    mIsLogfileLoaded = false;
    if (mProjectFile) {
        std::vector<std::string> v;
        foreach (const QString &i, mProjectFile->getExcludedPaths()) {
            v.push_back(i.toStdString());
        }
        p.ignorePaths(v);

        if (!mProjectFile->getAnalyzeAllVsConfigs()) {
            Settings::PlatformType platform = (Settings::PlatformType) mSettings->value(SETTINGS_CHECKED_PLATFORM, 0).toInt();
            p.selectOneVsConfig(platform);
        }
    } else {
        enableProjectActions(false);
    }

    mUI.mResults->clear(true);
    mThread->clearFiles();

    mUI.mResults->checkingStarted(p.fileSettings.size());

    QDir inf(mCurrentDirectory);
    const QString checkPath = inf.canonicalPath();
    setPath(SETTINGS_LAST_CHECK_PATH, checkPath);

    checkLockDownUI(); // lock UI while checking

    mUI.mResults->setCheckDirectory(checkPath);
    Settings checkSettings = getCppcheckSettings();
    checkSettings.force = false;
    checkSettings.checkLibrary = checkLibrary;
    checkSettings.checkConfiguration = checkConfiguration;

    if (mProjectFile)
        qDebug() << "Checking project file" << mProjectFile->getFilename();

    if (!checkSettings.buildDir.empty()) {
        checkSettings.loadSummaries();
        std::list<std::string> sourcefiles;
        AnalyzerInformation::writeFilesTxt(checkSettings.buildDir, sourcefiles, checkSettings.userDefines, p.fileSettings);
    }

    //mThread->SetanalyzeProject(true);
    if (mProjectFile) {
        mThread->setAddonsAndTools(mProjectFile->getAddonsAndTools());
        QString clangHeaders = mSettings->value(SETTINGS_VS_INCLUDE_PATHS).toString();
        mThread->setClangIncludePaths(clangHeaders.split(";"));
        mThread->setSuppressions(mProjectFile->getSuppressions());
    }
    mThread->setProject(p);
    mThread->check(checkSettings);
}

void MainWindow::doAnalyzeFiles(const QStringList &files, const bool checkLibrary, const bool checkConfiguration)
{
    if (files.isEmpty()) {
        return;
    }
    clearResults();

    mIsLogfileLoaded = false;
    FileList pathList;
    pathList.addPathList(files);
    if (mProjectFile) {
        pathList.addExcludeList(mProjectFile->getExcludedPaths());
    } else {
        enableProjectActions(false);
    }
    QStringList fileNames = pathList.getFileList();

    mUI.mResults->clear(true);
    mThread->clearFiles();

    if (fileNames.isEmpty()) {
        QMessageBox msg(QMessageBox::Warning,
                        tr("Cppcheck"),
                        tr("No suitable files found to analyze!"),
                        QMessageBox::Ok,
                        this);
        msg.exec();
        return;
    }

    mUI.mResults->checkingStarted(fileNames.count());

    mThread->setFiles(fileNames);
    if (mProjectFile && !checkConfiguration)
        mThread->setAddonsAndTools(mProjectFile->getAddonsAndTools());
    mThread->setSuppressions(mProjectFile ? mProjectFile->getSuppressions() : QList<Suppressions::Suppression>());
    QDir inf(mCurrentDirectory);
    const QString checkPath = inf.canonicalPath();
    setPath(SETTINGS_LAST_CHECK_PATH, checkPath);

    checkLockDownUI(); // lock UI while checking

    mUI.mResults->setCheckDirectory(checkPath);
    Settings checkSettings = getCppcheckSettings();
    checkSettings.checkLibrary = checkLibrary;
    checkSettings.checkConfiguration = checkConfiguration;

    checkSettings.loadCppcheckCfg(QCoreApplication::applicationFilePath().toStdString());

    if (mProjectFile)
        qDebug() << "Checking project file" << mProjectFile->getFilename();

    if (!checkSettings.buildDir.empty()) {
        checkSettings.loadSummaries();
        std::list<std::string> sourcefiles;
        for (const QString& s: fileNames)
            sourcefiles.push_back(s.toStdString());
        AnalyzerInformation::writeFilesTxt(checkSettings.buildDir, sourcefiles, checkSettings.userDefines, checkSettings.project.fileSettings);
    }

    mThread->setCheckFiles(true);
    mThread->check(checkSettings);
}

void MainWindow::analyzeCode(const QString& code, const QString& filename)
{
    // Initialize dummy ThreadResult as ErrorLogger
    ThreadResult result;
    result.setFiles(QStringList(filename));
    connect(&result, SIGNAL(progress(int,const QString&)),
            mUI.mResults, SLOT(progress(int,const QString&)));
    connect(&result, SIGNAL(error(const ErrorItem&)),
            mUI.mResults, SLOT(error(const ErrorItem&)));
    connect(&result, SIGNAL(log(const QString&)),
            mUI.mResults, SLOT(log(const QString&)));
    connect(&result, SIGNAL(debugError(const ErrorItem&)),
            mUI.mResults, SLOT(debugError(const ErrorItem&)));

    // Create CppCheck instance
    CppCheck cppcheck(result, true, nullptr);
    cppcheck.settings() = getCppcheckSettings();

    // Check
    checkLockDownUI();
    clearResults();
    mUI.mResults->checkingStarted(1);
    cppcheck.check(filename.toStdString(), code.toStdString());
    analysisDone();

    // Expand results
    if (mUI.mResults->hasVisibleResults())
        mUI.mResults->expandAllResults();
}

QStringList MainWindow::selectFilesToAnalyze(QFileDialog::FileMode mode)
{
    if (mProjectFile) {
        QMessageBox msgBox(this);
        msgBox.setWindowTitle(tr("Cppcheck"));
        const QString msg(tr("You must close the project file before selecting new files or directories!"));
        msgBox.setText(msg);
        msgBox.setIcon(QMessageBox::Critical);
        msgBox.exec();
        return QStringList();
    }

    QStringList selected;

    // NOTE: we use QFileDialog::getOpenFileNames() and
    // QFileDialog::getExistingDirectory() because they show native Windows
    // selection dialog which is a lot more usable than Qt:s own dialog.
    if (mode == QFileDialog::ExistingFiles) {
        QMap<QString,QString> filters;
        filters[tr("C/C++ Source")] = FileList::getDefaultFilters().join(" ");
        filters[tr("Compile database")] = compile_commands_json;
        filters[tr("Visual Studio")] = "*.sln *.vcxproj";
        filters[tr("Borland C++ Builder 6")] = "*.bpr";
        QString lastFilter = mSettings->value(SETTINGS_LAST_ANALYZE_FILES_FILTER).toString();
        selected = QFileDialog::getOpenFileNames(this,
                                                 tr("Select files to analyze"),
                                                 getPath(SETTINGS_LAST_CHECK_PATH),
                                                 toFilterString(filters),
                                                 &lastFilter);
        mSettings->setValue(SETTINGS_LAST_ANALYZE_FILES_FILTER, lastFilter);

        if (selected.isEmpty())
            mCurrentDirectory.clear();
        else {
            QFileInfo inf(selected[0]);
            mCurrentDirectory = inf.absolutePath();
        }
        formatAndSetTitle();
    } else if (mode == QFileDialog::DirectoryOnly) {
        QString dir = QFileDialog::getExistingDirectory(this,
                                                        tr("Select directory to analyze"),
                                                        getPath(SETTINGS_LAST_CHECK_PATH));
        if (!dir.isEmpty()) {
            qDebug() << "Setting current directory to: " << dir;
            mCurrentDirectory = dir;
            selected.append(dir);
            dir = QDir::toNativeSeparators(dir);
            formatAndSetTitle(dir);
        }
    }

    setPath(SETTINGS_LAST_CHECK_PATH, mCurrentDirectory);

    return selected;
}

void MainWindow::updateFunctionContractsTab()
{
    QStringList addedContracts;
    if (mProjectFile) {
        for (const auto& it: mProjectFile->getFunctionContracts()) {
            addedContracts << QString::fromStdString(it.first);
        }
    }
    mUI.mResults->setAddedFunctionContracts(addedContracts);
}

void MainWindow::updateVariableContractsTab()
{
    QStringList added;
    if (mProjectFile) {
        for (auto vc: mProjectFile->getVariableContracts()) {
            QString line = vc.first;
            if (!vc.second.minValue.empty())
                line += " min:" + QString::fromStdString(vc.second.minValue);
            if (!vc.second.maxValue.empty())
                line += " max:" + QString::fromStdString(vc.second.maxValue);
            added << line;
        }
    }
    mUI.mResults->setAddedVariableContracts(added);
}

void MainWindow::analyzeFiles()
{
    Settings::terminate(false);

    QStringList selected = selectFilesToAnalyze(QFileDialog::ExistingFiles);

    const QString file0 = (selected.size() ? selected[0].toLower() : QString());
    if (file0.endsWith(".sln")
        || file0.endsWith(".vcxproj")
        || file0.endsWith(compile_commands_json)
        || file0.endsWith(".bpr")) {
        ImportProject p;
        p.import(selected[0].toStdString());

        if (file0.endsWith(".sln")) {
            QStringList configs;
            for (std::list<ImportProject::FileSettings>::const_iterator it = p.fileSettings.begin(); it != p.fileSettings.end(); ++it) {
                const QString cfg(QString::fromStdString(it->cfg));
                if (!configs.contains(cfg))
                    configs.push_back(cfg);
            }
            configs.sort();

            bool ok = false;
            const QString cfg = QInputDialog::getItem(this, tr("Select configuration"), tr("Select the configuration that will be analyzed"), configs, 0, false, &ok);
            if (!ok)
                return;
            p.ignoreOtherConfigs(cfg.toStdString());
        }

        doAnalyzeProject(p);
        return;
    }

    doAnalyzeFiles(selected);
}

void MainWindow::analyzeDirectory()
{
    QStringList dir = selectFilesToAnalyze(QFileDialog::DirectoryOnly);
    if (dir.isEmpty())
        return;

    QDir checkDir(dir[0]);
    QStringList filters;
    filters << "*.cppcheck";
    checkDir.setFilter(QDir::Files | QDir::Readable);
    checkDir.setNameFilters(filters);
    QStringList projFiles = checkDir.entryList();
    if (!projFiles.empty()) {
        if (projFiles.size() == 1) {
            // If one project file found, suggest loading it
            QMessageBox msgBox(this);
            msgBox.setWindowTitle(tr("Cppcheck"));
            const QString msg(tr("Found project file: %1\n\nDo you want to "
                                 "load this project file instead?").arg(projFiles[0]));
            msgBox.setText(msg);
            msgBox.setIcon(QMessageBox::Warning);
            msgBox.addButton(QMessageBox::Yes);
            msgBox.addButton(QMessageBox::No);
            msgBox.setDefaultButton(QMessageBox::Yes);
            int dlgResult = msgBox.exec();
            if (dlgResult == QMessageBox::Yes) {
                QString path = checkDir.canonicalPath();
                if (!path.endsWith("/"))
                    path += "/";
                path += projFiles[0];
                loadProjectFile(path);
            } else {
                doAnalyzeFiles(dir);
            }
        } else {
            // If multiple project files found inform that there are project
            // files also available.
            QMessageBox msgBox(this);
            msgBox.setWindowTitle(tr("Cppcheck"));
            const QString msg(tr("Found project files from the directory.\n\n"
                                 "Do you want to proceed analysis without "
                                 "using any of these project files?"));
            msgBox.setText(msg);
            msgBox.setIcon(QMessageBox::Warning);
            msgBox.addButton(QMessageBox::Yes);
            msgBox.addButton(QMessageBox::No);
            msgBox.setDefaultButton(QMessageBox::Yes);
            int dlgResult = msgBox.exec();
            if (dlgResult == QMessageBox::Yes) {
                doAnalyzeFiles(dir);
            }
        }
    } else {
        doAnalyzeFiles(dir);
    }
}

void MainWindow::addIncludeDirs(const QStringList &includeDirs, Settings &result)
{
    QString dir;
    foreach (dir, includeDirs) {
        QString incdir;
        if (!QDir::isAbsolutePath(dir))
            incdir = mCurrentDirectory + "/";
        incdir += dir;
        incdir = QDir::cleanPath(incdir);

        // include paths must end with '/'
        if (!incdir.endsWith("/"))
            incdir += "/";
        result.includePaths.push_back(incdir.toStdString());
    }
}

Library::Error MainWindow::loadLibrary(Library *library, const QString &filename)
{
    Library::Error ret;

    // Try to load the library from the project folder..
    if (mProjectFile) {
        QString path = QFileInfo(mProjectFile->getFilename()).canonicalPath();
        ret = library->load(nullptr, (path+"/"+filename).toLatin1());
        if (ret.errorcode != Library::ErrorCode::FILE_NOT_FOUND)
            return ret;
    }

    // Try to load the library from the application folder..
    const QString appPath = QFileInfo(QCoreApplication::applicationFilePath()).canonicalPath();
    ret = library->load(nullptr, (appPath+"/"+filename).toLatin1());
    if (ret.errorcode != Library::ErrorCode::FILE_NOT_FOUND)
        return ret;
    ret = library->load(nullptr, (appPath+"/cfg/"+filename).toLatin1());
    if (ret.errorcode != Library::ErrorCode::FILE_NOT_FOUND)
        return ret;

#ifdef FILESDIR
    // Try to load the library from FILESDIR/cfg..
    const QString filesdir = FILESDIR;
    if (!filesdir.isEmpty()) {
        ret = library->load(nullptr, (filesdir+"/cfg/"+filename).toLatin1());
        if (ret.errorcode != Library::ErrorCode::FILE_NOT_FOUND)
            return ret;
        ret = library->load(nullptr, (filesdir+filename).toLatin1());
        if (ret.errorcode != Library::ErrorCode::FILE_NOT_FOUND)
            return ret;
    }
#endif

    // Try to load the library from the cfg subfolder..
    const QString datadir = getDataDir();
    if (!datadir.isEmpty()) {
        ret = library->load(nullptr, (datadir+"/"+filename).toLatin1());
        if (ret.errorcode != Library::ErrorCode::FILE_NOT_FOUND)
            return ret;
        ret = library->load(nullptr, (datadir+"/cfg/"+filename).toLatin1());
        if (ret.errorcode != Library::ErrorCode::FILE_NOT_FOUND)
            return ret;
    }

    return ret;
}

bool MainWindow::tryLoadLibrary(Library *library, const QString& filename)
{
    const Library::Error error = loadLibrary(library, filename);
    if (error.errorcode != Library::ErrorCode::OK) {
        if (error.errorcode == Library::ErrorCode::UNKNOWN_ELEMENT) {
            QMessageBox::information(this, tr("Information"), tr("The library '%1' contains unknown elements:\n%2").arg(filename).arg(error.reason.c_str()));
            return true;
        }

        QString errmsg;
        switch (error.errorcode) {
        case Library::ErrorCode::OK:
            break;
        case Library::ErrorCode::FILE_NOT_FOUND:
            errmsg = tr("File not found");
            break;
        case Library::ErrorCode::BAD_XML:
            errmsg = tr("Bad XML");
            break;
        case Library::ErrorCode::MISSING_ATTRIBUTE:
            errmsg = tr("Missing attribute");
            break;
        case Library::ErrorCode::BAD_ATTRIBUTE_VALUE:
            errmsg = tr("Bad attribute value");
            break;
        case Library::ErrorCode::UNSUPPORTED_FORMAT:
            errmsg = tr("Unsupported format");
            break;
        case Library::ErrorCode::DUPLICATE_PLATFORM_TYPE:
            errmsg = tr("Duplicate platform type");
            break;
        case Library::ErrorCode::PLATFORM_TYPE_REDEFINED:
            errmsg = tr("Platform type redefined");
            break;
        case Library::ErrorCode::UNKNOWN_ELEMENT:
            errmsg = tr("Unknown element");
            break;
        default:
            errmsg = tr("Unknown issue");
            break;
        }
        if (!error.reason.empty())
            errmsg += " '" + QString::fromStdString(error.reason) + "'";
        QMessageBox::information(this, tr("Information"), tr("Failed to load the selected library '%1'.\n%2").arg(filename).arg(errmsg));
        return false;
    }
    return true;
}

Settings MainWindow::getCppcheckSettings()
{
    saveSettings(); // Save settings

    Settings result;

    result.exename = QCoreApplication::applicationFilePath().toStdString();

    const bool std = tryLoadLibrary(&result.library, "std.cfg");
    bool posix = true;
    if (result.posix())
        posix = tryLoadLibrary(&result.library, "posix.cfg");
    bool windows = true;
    if (result.isWindowsPlatform())
        windows = tryLoadLibrary(&result.library, "windows.cfg");

    if (!std || !posix || !windows)
        QMessageBox::critical(this, tr("Error"), tr("Failed to load %1. Your Cppcheck installation is broken. You can use --data-dir=<directory> at the command line to specify where this file is located. Please note that --data-dir is supposed to be used by installation scripts and therefore the GUI does not start when it is used, all that happens is that the setting is configured.").arg(!std ? "std.cfg" : !posix ? "posix.cfg" : "windows.cfg"));

    // If project file loaded, read settings from it
    if (mProjectFile) {
        QStringList dirs = mProjectFile->getIncludeDirs();
        addIncludeDirs(dirs, result);

        const QStringList defines = mProjectFile->getDefines();
        foreach (QString define, defines) {
            if (!result.userDefines.empty())
                result.userDefines += ";";
            result.userDefines += define.toStdString();
        }

        result.clang = mProjectFile->clangParser;
        result.bugHunting = mProjectFile->bugHunting;
        result.bugHuntingReport = " ";

        result.functionContracts = mProjectFile->getFunctionContracts();

        for (const auto& vc: mProjectFile->getVariableContracts())
            result.variableContracts[vc.first.toStdString()] = vc.second;

        const QStringList undefines = mProjectFile->getUndefines();
        foreach (QString undefine, undefines)
        result.userUndefs.insert(undefine.toStdString());

        const QStringList libraries = mProjectFile->getLibraries();
        foreach (QString library, libraries) {
            result.libraries.emplace_back(library.toStdString());
            const QString filename = library + ".cfg";
            tryLoadLibrary(&result.library, filename);
        }

        foreach (const Suppressions::Suppression &suppression, mProjectFile->getSuppressions()) {
            result.nomsg.addSuppression(suppression);
        }

        // Only check the given -D configuration
        if (!defines.isEmpty())
            result.maxConfigs = 1;

        // If importing a project, only check the given configuration
        if (!mProjectFile->getImportProject().isEmpty())
            result.checkAllConfigurations = false;

        const QString &buildDir = mProjectFile->getBuildDir();
        if (!buildDir.isEmpty()) {
            if (QDir(buildDir).isAbsolute()) {
                result.buildDir = buildDir.toStdString();
            } else {
                QString prjpath = QFileInfo(mProjectFile->getFilename()).absolutePath();
                result.buildDir = (prjpath + '/' + buildDir).toStdString();
            }
        }

        const QString platform = mProjectFile->getPlatform();
        if (platform.endsWith(".xml")) {
            const QString applicationFilePath = QCoreApplication::applicationFilePath();
            result.loadPlatformFile(applicationFilePath.toStdString().c_str(), platform.toStdString());
        } else {
            for (int i = cppcheck::Platform::Native; i <= cppcheck::Platform::Unix64; i++) {
                const cppcheck::Platform::PlatformType p = (cppcheck::Platform::PlatformType)i;
                if (platform == cppcheck::Platform::platformString(p)) {
                    result.platform(p);
                    break;
                }
            }
        }

        result.maxCtuDepth = mProjectFile->getMaxCtuDepth();
        result.maxTemplateRecursion = mProjectFile->getMaxTemplateRecursion();
        result.checkHeaders = mProjectFile->getCheckHeaders();
        result.checkUnusedTemplates = mProjectFile->getCheckUnusedTemplates();
        result.safeChecks.classes = mProjectFile->safeChecks.classes;
        result.safeChecks.externalFunctions = mProjectFile->safeChecks.externalFunctions;
        result.safeChecks.internalFunctions = mProjectFile->safeChecks.internalFunctions;
        result.safeChecks.externalVariables = mProjectFile->safeChecks.externalVariables;
        foreach (QString s, mProjectFile->getCheckUnknownFunctionReturn())
        result.checkUnknownFunctionReturn.insert(s.toStdString());

        QString filesDir(getDataDir());
        const QString pythonCmd = mSettings->value(SETTINGS_PYTHON_PATH).toString();
        foreach (QString addon, mProjectFile->getAddons()) {
            QString addonFilePath = ProjectFile::getAddonFilePath(filesDir, addon);
            if (addonFilePath.isEmpty())
                continue;

            addonFilePath.replace(QChar('\\'), QChar('/'));

            QString json;
            json += "{ \"script\":\"" + addonFilePath + "\"";
            if (!pythonCmd.isEmpty())
                json += ", \"python\":\"" + pythonCmd + "\"";
            QString misraFile = mSettings->value(SETTINGS_MISRA_FILE).toString();
            if (addon == "misra" && !misraFile.isEmpty()) {
                QString arg;
                if (misraFile.endsWith(".pdf", Qt::CaseInsensitive))
                    arg = "--misra-pdf=" + misraFile;
                else
                    arg = "--rule-texts=" + misraFile;
                json += ", \"args\":[\"" + arg + "\"]";
            }
            json += " }";
            result.addons.push_back(json.toStdString());
        }
    }

    // Include directories (and files) are searched in listed order.
    // Global include directories must be added AFTER the per project include
    // directories so per project include directories can override global ones.
    const QString globalIncludes = mSettings->value(SETTINGS_GLOBAL_INCLUDE_PATHS).toString();
    if (!globalIncludes.isEmpty()) {
        QStringList includes = globalIncludes.split(";");
        addIncludeDirs(includes, result);
    }

    result.severity.enable(Severity::warning);
    result.severity.enable(Severity::style);
    result.severity.enable(Severity::performance);
    result.severity.enable(Severity::portability);
    result.severity.enable(Severity::information);
    result.checks.enable(Checks::missingInclude);
    if (!result.buildDir.empty())
        result.checks.enable(Checks::unusedFunction);
    result.debugwarnings = mSettings->value(SETTINGS_SHOW_DEBUG_WARNINGS, false).toBool();
    result.quiet = false;
    result.verbose = true;
    result.force = mSettings->value(SETTINGS_CHECK_FORCE, 1).toBool();
    result.xml = false;
    result.jobs = mSettings->value(SETTINGS_CHECK_THREADS, 1).toInt();
    result.inlineSuppressions = mSettings->value(SETTINGS_INLINE_SUPPRESSIONS, false).toBool();
    result.certainty.setEnabled(Certainty::inconclusive, mSettings->value(SETTINGS_INCONCLUSIVE_ERRORS, false).toBool());
    if (!mProjectFile || result.platformType == cppcheck::Platform::Unspecified)
        result.platform((cppcheck::Platform::PlatformType) mSettings->value(SETTINGS_CHECKED_PLATFORM, 0).toInt());
    result.standards.setCPP(mSettings->value(SETTINGS_STD_CPP, QString()).toString().toStdString());
    result.standards.setC(mSettings->value(SETTINGS_STD_C, QString()).toString().toStdString());
    result.enforcedLang = (Settings::Language)mSettings->value(SETTINGS_ENFORCED_LANGUAGE, 0).toInt();

    if (result.jobs <= 1) {
        result.jobs = 1;
    }

    Settings::terminate(false);

    return result;
}

void MainWindow::analysisDone()
{
    if (mExiting) {
        close();
        return;
    }

    mUI.mResults->checkingFinished();
    enableCheckButtons(true);
    mUI.mActionSettings->setEnabled(true);
    mUI.mActionOpenXML->setEnabled(true);
    if (mProjectFile) {
        enableProjectActions(true);
    } else if (mIsLogfileLoaded) {
        mUI.mActionReanalyzeModified->setEnabled(false);
        mUI.mActionReanalyzeAll->setEnabled(false);
    }
    enableProjectOpenActions(true);
    mPlatformActions->setEnabled(true);
    mCStandardActions->setEnabled(true);
    mCppStandardActions->setEnabled(true);
    mSelectLanguageActions->setEnabled(true);
    mUI.mActionPosix->setEnabled(true);
    if (mScratchPad)
        mScratchPad->setEnabled(true);
    mUI.mActionViewStats->setEnabled(true);

    if (mProjectFile && !mProjectFile->getBuildDir().isEmpty()) {
        const QString prjpath = QFileInfo(mProjectFile->getFilename()).absolutePath();
        const QString buildDir = prjpath + '/' + mProjectFile->getBuildDir();
        if (QDir(buildDir).exists()) {
            mUI.mResults->saveStatistics(buildDir + "/statistics.txt");
            mUI.mResults->updateFromOldReport(buildDir + "/lastResults.xml");
            mUI.mResults->save(buildDir + "/lastResults.xml", Report::XMLV2);
        }
    }

    enableResultsButtons();

    for (QAction* recentProjectAct : mRecentProjectActs) {
        if (recentProjectAct != nullptr)
            recentProjectAct->setEnabled(true);
    }

    // Notify user - if the window is not active - that check is ready
    QApplication::alert(this, 3000);
    if (mSettings->value(SETTINGS_SHOW_STATISTICS, false).toBool())
        showStatistics();
}

void MainWindow::checkLockDownUI()
{
    enableCheckButtons(false);
    mUI.mActionSettings->setEnabled(false);
    mUI.mActionOpenXML->setEnabled(false);
    enableProjectActions(false);
    enableProjectOpenActions(false);
    mPlatformActions->setEnabled(false);
    mCStandardActions->setEnabled(false);
    mCppStandardActions->setEnabled(false);
    mSelectLanguageActions->setEnabled(false);
    mUI.mActionPosix->setEnabled(false);
    if (mScratchPad)
        mScratchPad->setEnabled(false);

    for (QAction* recentProjectAct : mRecentProjectActs) {
        if (recentProjectAct != nullptr)
            recentProjectAct->setEnabled(false);
    }
}

void MainWindow::programSettings()
{
    SettingsDialog dialog(mApplications, mTranslation, this);
    if (dialog.exec() == QDialog::Accepted) {
        dialog.saveSettingValues();
        mSettings->sync();
        mUI.mResults->updateSettings(dialog.showFullPath(),
                                     dialog.saveFullPath(),
                                     dialog.saveAllErrors(),
                                     dialog.showNoErrorsMessage(),
                                     dialog.showErrorId(),
                                     dialog.showInconclusive());
        mUI.mResults->updateStyleSetting(mSettings);
        const QString newLang = mSettings->value(SETTINGS_LANGUAGE, "en").toString();
        setLanguage(newLang);
    }
}

void MainWindow::reAnalyzeModified()
{
    reAnalyze(false);
}

void MainWindow::reAnalyzeAll()
{
    if (mProjectFile)
        analyzeProject(mProjectFile);
    else
        reAnalyze(true);
}

void MainWindow::checkLibrary()
{
    if (mProjectFile)
        analyzeProject(mProjectFile, true);
}

void MainWindow::checkConfiguration()
{
    if (mProjectFile)
        analyzeProject(mProjectFile, false, true);
}

void MainWindow::reAnalyzeSelected(QStringList files)
{
    if (files.empty())
        return;
    if (mThread->isChecking())
        return;

    // Clear details, statistics and progress
    mUI.mResults->clear(false);
    for (int i = 0; i < files.size(); ++i)
        mUI.mResults->clearRecheckFile(files[i]);

    mCurrentDirectory = mUI.mResults->getCheckDirectory();
    FileList pathList;
    pathList.addPathList(files);
    if (mProjectFile)
        pathList.addExcludeList(mProjectFile->getExcludedPaths());
    QStringList fileNames = pathList.getFileList();
    checkLockDownUI(); // lock UI while checking
    mUI.mResults->checkingStarted(fileNames.size());
    mThread->setCheckFiles(fileNames);

    // Saving last check start time, otherwise unchecked modified files will not be
    // considered in "Modified Files Check"  performed after "Selected Files Check"
    // TODO: Should we store per file CheckStartTime?
    QDateTime saveCheckStartTime = mThread->getCheckStartTime();
    mThread->check(getCppcheckSettings());
    mThread->setCheckStartTime(saveCheckStartTime);
}

void MainWindow::reAnalyze(bool all)
{
    const QStringList files = mThread->getReCheckFiles(all);
    if (files.empty())
        return;

    // Clear details, statistics and progress
    mUI.mResults->clear(all);

    // Clear results for changed files
    for (int i = 0; i < files.size(); ++i)
        mUI.mResults->clear(files[i]);

    checkLockDownUI(); // lock UI while checking
    mUI.mResults->checkingStarted(files.size());

    if (mProjectFile)
        qDebug() << "Rechecking project file" << mProjectFile->getFilename();

    mThread->setCheckFiles(all);
    mThread->check(getCppcheckSettings());
}

void MainWindow::clearResults()
{
    if (mProjectFile && !mProjectFile->getBuildDir().isEmpty()) {
        QDir dir(QFileInfo(mProjectFile->getFilename()).absolutePath() + '/' + mProjectFile->getBuildDir());
        for (const QString& f: dir.entryList(QDir::Files)) {
            if (!f.endsWith("files.txt") && !QRegExp(".*.s[0-9]+$").exactMatch(f))
                dir.remove(f);
        }
    }
    mUI.mResults->clear(true);
    Q_ASSERT(false == mUI.mResults->hasResults());
    enableResultsButtons();
}

void MainWindow::openResults()
{
    if (mUI.mResults->hasResults()) {
        QMessageBox msgBox(this);
        msgBox.setWindowTitle(tr("Cppcheck"));
        const QString msg(tr("Current results will be cleared.\n\n"
                             "Opening a new XML file will clear current results.\n"
                             "Do you want to proceed?"));
        msgBox.setText(msg);
        msgBox.setIcon(QMessageBox::Warning);
        msgBox.addButton(QMessageBox::Yes);
        msgBox.addButton(QMessageBox::No);
        msgBox.setDefaultButton(QMessageBox::Yes);
        int dlgResult = msgBox.exec();
        if (dlgResult == QMessageBox::No) {
            return;
        }
    }

    QString selectedFilter;
    const QString filter(tr("XML files (*.xml)"));
    QString selectedFile = QFileDialog::getOpenFileName(this,
                                                        tr("Open the report file"),
                                                        getPath(SETTINGS_LAST_RESULT_PATH),
                                                        filter,
                                                        &selectedFilter);

    if (!selectedFile.isEmpty()) {
        loadResults(selectedFile);
    }
}

void MainWindow::loadResults(const QString &selectedFile)
{
    if (selectedFile.isEmpty())
        return;
    if (mProjectFile)
        closeProjectFile();
    mIsLogfileLoaded = true;
    mUI.mResults->clear(true);
    mUI.mActionReanalyzeModified->setEnabled(false);
    mUI.mActionReanalyzeAll->setEnabled(false);
    mUI.mResults->readErrorsXml(selectedFile);
    setPath(SETTINGS_LAST_RESULT_PATH, selectedFile);
    formatAndSetTitle(selectedFile);
}

void MainWindow::loadResults(const QString &selectedFile, const QString &sourceDirectory)
{
    loadResults(selectedFile);
    mUI.mResults->setCheckDirectory(sourceDirectory);
}

void MainWindow::enableCheckButtons(bool enable)
{
    mUI.mActionStop->setEnabled(!enable);
    mUI.mActionAnalyzeFiles->setEnabled(enable);

    if (mProjectFile) {
        mUI.mActionReanalyzeModified->setEnabled(false);
        mUI.mActionReanalyzeAll->setEnabled(enable);
    } else if (!enable || mThread->hasPreviousFiles()) {
        mUI.mActionReanalyzeModified->setEnabled(enable);
        mUI.mActionReanalyzeAll->setEnabled(enable);
    }

    mUI.mActionAnalyzeDirectory->setEnabled(enable);
}

void MainWindow::enableResultsButtons()
{
    bool enabled = mUI.mResults->hasResults();
    mUI.mActionClearResults->setEnabled(enabled);
    mUI.mActionSave->setEnabled(enabled);
    mUI.mActionPrint->setEnabled(enabled);
    mUI.mActionPrintPreview->setEnabled(enabled);
}

void MainWindow::showStyle(bool checked)
{
    mUI.mResults->showResults(ShowTypes::ShowStyle, checked);
}

void MainWindow::showErrors(bool checked)
{
    mUI.mResults->showResults(ShowTypes::ShowErrors, checked);
}

void MainWindow::showWarnings(bool checked)
{
    mUI.mResults->showResults(ShowTypes::ShowWarnings, checked);
}

void MainWindow::showPortability(bool checked)
{
    mUI.mResults->showResults(ShowTypes::ShowPortability, checked);
}

void MainWindow::showPerformance(bool checked)
{
    mUI.mResults->showResults(ShowTypes::ShowPerformance, checked);
}

void MainWindow::showInformation(bool checked)
{
    mUI.mResults->showResults(ShowTypes::ShowInformation, checked);
}

void MainWindow::checkAll()
{
    toggleAllChecked(true);
}

void MainWindow::uncheckAll()
{
    toggleAllChecked(false);
}

void MainWindow::closeEvent(QCloseEvent *event)
{
    // Check that we aren't checking files
    if (!mThread->isChecking()) {
        saveSettings();
        event->accept();
    } else {
        const QString text(tr("Analyzer is running.\n\n" \
                              "Do you want to stop the analysis and exit Cppcheck?"));

        QMessageBox msg(QMessageBox::Warning,
                        tr("Cppcheck"),
                        text,
                        QMessageBox::Yes | QMessageBox::No,
                        this);

        msg.setDefaultButton(QMessageBox::No);
        int rv = msg.exec();
        if (rv == QMessageBox::Yes) {
            // This isn't really very clean way to close threads but since the app is
            // exiting it doesn't matter.
            mThread->stop();
            saveSettings();
            mExiting = true;
        }
        event->ignore();
    }
}

void MainWindow::toggleAllChecked(bool checked)
{
    mUI.mActionShowStyle->setChecked(checked);
    showStyle(checked);
    mUI.mActionShowErrors->setChecked(checked);
    showErrors(checked);
    mUI.mActionShowWarnings->setChecked(checked);
    showWarnings(checked);
    mUI.mActionShowPortability->setChecked(checked);
    showPortability(checked);
    mUI.mActionShowPerformance->setChecked(checked);
    showPerformance(checked);
    mUI.mActionShowInformation->setChecked(checked);
    showInformation(checked);
}

void MainWindow::about()
{
    AboutDialog *dlg = new AboutDialog(CppCheck::version(), CppCheck::extraVersion(), this);
    dlg->exec();
}

void MainWindow::showLicense()
{
    FileViewDialog *dlg = new FileViewDialog(":COPYING", tr("License"), this);
    dlg->resize(570, 400);
    dlg->exec();
}

void MainWindow::showAuthors()
{
    FileViewDialog *dlg = new FileViewDialog(":AUTHORS", tr("Authors"), this);
    dlg->resize(350, 400);
    dlg->exec();
}

void MainWindow::performSelectedFilesCheck(const QStringList &selectedFilesList)
{
    reAnalyzeSelected(selectedFilesList);
}

void MainWindow::save()
{
    QString selectedFilter;
    const QString filter(tr("XML files (*.xml);;Text files (*.txt);;CSV files (*.csv)"));
    QString selectedFile = QFileDialog::getSaveFileName(this,
                                                        tr("Save the report file"),
                                                        getPath(SETTINGS_LAST_RESULT_PATH),
                                                        filter,
                                                        &selectedFilter);

    if (!selectedFile.isEmpty()) {
        Report::Type type = Report::TXT;
        if (selectedFilter == tr("XML files (*.xml)")) {
            type = Report::XMLV2;
            if (!selectedFile.endsWith(".xml", Qt::CaseInsensitive))
                selectedFile += ".xml";
        } else if (selectedFilter == tr("Text files (*.txt)")) {
            type = Report::TXT;
            if (!selectedFile.endsWith(".txt", Qt::CaseInsensitive))
                selectedFile += ".txt";
        } else if (selectedFilter == tr("CSV files (*.csv)")) {
            type = Report::CSV;
            if (!selectedFile.endsWith(".csv", Qt::CaseInsensitive))
                selectedFile += ".csv";
        } else {
            if (selectedFile.endsWith(".xml", Qt::CaseInsensitive))
                type = Report::XMLV2;
            else if (selectedFile.endsWith(".txt", Qt::CaseInsensitive))
                type = Report::TXT;
            else if (selectedFile.endsWith(".csv", Qt::CaseInsensitive))
                type = Report::CSV;
        }

        mUI.mResults->save(selectedFile, type);
        setPath(SETTINGS_LAST_RESULT_PATH, selectedFile);
    }
}

void MainWindow::resultsAdded()
{}

void MainWindow::toggleMainToolBar()
{
    mUI.mToolBarMain->setVisible(mUI.mActionToolBarMain->isChecked());
}

void MainWindow::toggleViewToolBar()
{
    mUI.mToolBarView->setVisible(mUI.mActionToolBarView->isChecked());
}

void MainWindow::toggleFilterToolBar()
{
    mUI.mToolBarFilter->setVisible(mUI.mActionToolBarFilter->isChecked());
    mLineEditFilter->clear(); // Clearing the filter also disables filtering
}

void MainWindow::formatAndSetTitle(const QString &text)
{
    QString nameWithVersion = QString("Cppcheck %1").arg(CppCheck::version());

    QString extraVersion = CppCheck::extraVersion();
    if (!extraVersion.isEmpty()) {
        nameWithVersion += " (" + extraVersion + ")";
    }

    QString title;
    if (text.isEmpty())
        title = nameWithVersion;
    else
        title = QString("%1 - %2").arg(nameWithVersion, text);
    setWindowTitle(title);
}

void MainWindow::setLanguage(const QString &code)
{
    const QString currentLang = mTranslation->getCurrentLanguage();
    if (currentLang == code)
        return;

    if (mTranslation->setLanguage(code)) {
        //Translate everything that is visible here
        mUI.retranslateUi(this);
        mUI.mResults->translate();
        mLineEditFilter->setPlaceholderText(QCoreApplication::translate("MainWindow", "Quick Filter:"));
        if (mProjectFile)
            formatAndSetTitle(tr("Project:") + ' ' + mProjectFile->getFilename());
        if (mScratchPad)
            mScratchPad->translate();
    }
}

void MainWindow::aboutToShowViewMenu()
{
    mUI.mActionToolBarMain->setChecked(mUI.mToolBarMain->isVisible());
    mUI.mActionToolBarView->setChecked(mUI.mToolBarView->isVisible());
    mUI.mActionToolBarFilter->setChecked(mUI.mToolBarFilter->isVisible());
}

void MainWindow::stopAnalysis()
{
    mThread->stop();
    mUI.mResults->disableProgressbar();
    const QString &lastResults = getLastResults();
    if (!lastResults.isEmpty()) {
        mUI.mResults->updateFromOldReport(lastResults);
    }
}

void MainWindow::openHelpContents()
{
    openOnlineHelp();
}

void MainWindow::openOnlineHelp()
{
    HelpDialog *helpDialog = new HelpDialog;
    helpDialog->showMaximized();
}

void MainWindow::openProjectFile()
{
    const QString filter = tr("Project files (*.cppcheck);;All files(*.*)");
    const QString filepath = QFileDialog::getOpenFileName(this,
                                                          tr("Select Project File"),
                                                          getPath(SETTINGS_LAST_PROJECT_PATH),
                                                          filter);

    if (!filepath.isEmpty()) {
        const QFileInfo fi(filepath);
        if (fi.exists() && fi.isFile() && fi.isReadable()) {
            setPath(SETTINGS_LAST_PROJECT_PATH, filepath);
            loadProjectFile(filepath);
        }
    }
}

void MainWindow::showScratchpad()
{
    if (!mScratchPad)
        mScratchPad = new ScratchPad(*this);

    mScratchPad->show();

    if (!mScratchPad->isActiveWindow())
        mScratchPad->activateWindow();
}

void MainWindow::loadProjectFile(const QString &filePath)
{
    QFileInfo inf(filePath);
    const QString filename = inf.fileName();
    formatAndSetTitle(tr("Project:") + ' ' + filename);
    addProjectMRU(filePath);

    mIsLogfileLoaded = false;
    mUI.mActionCloseProjectFile->setEnabled(true);
    mUI.mActionEditProjectFile->setEnabled(true);
    delete mProjectFile;
    mProjectFile = new ProjectFile(filePath, this);
    mProjectFile->setActiveProject();
    mUI.mResults->showContracts(mProjectFile->bugHunting);
    updateFunctionContractsTab();
    updateVariableContractsTab();
    if (!loadLastResults())
        analyzeProject(mProjectFile);
}

QString MainWindow::getLastResults() const
{
    if (!mProjectFile || mProjectFile->getBuildDir().isEmpty())
        return QString();
    return QFileInfo(mProjectFile->getFilename()).absolutePath() + '/' + mProjectFile->getBuildDir() + "/lastResults.xml";
}

bool MainWindow::loadLastResults()
{
    const QString &lastResults = getLastResults();
    if (lastResults.isEmpty())
        return false;
    if (!QFileInfo(lastResults).exists())
        return false;
    mUI.mResults->readErrorsXml(lastResults);
    mUI.mResults->setCheckDirectory(mSettings->value(SETTINGS_LAST_CHECK_PATH,QString()).toString());
    mUI.mActionViewStats->setEnabled(true);
    enableResultsButtons();
    return true;
}

void MainWindow::analyzeProject(const ProjectFile *projectFile, const bool checkLibrary, const bool checkConfiguration)
{
    Settings::terminate(false);

    QFileInfo inf(projectFile->getFilename());
    const QString rootpath = projectFile->getRootPath();

    QDir::setCurrent(inf.absolutePath());

    mThread->setAddonsAndTools(projectFile->getAddonsAndTools());

    // If the root path is not given or is not "current dir", use project
    // file's location directory as root path
    if (rootpath.isEmpty() || rootpath == ".")
        mCurrentDirectory = inf.canonicalPath();
    else if (rootpath.startsWith("./"))
        mCurrentDirectory = inf.canonicalPath() + rootpath.mid(1);
    else
        mCurrentDirectory = rootpath;

    if (!projectFile->getBuildDir().isEmpty()) {
        QString buildDir = projectFile->getBuildDir();
        if (!QDir::isAbsolutePath(buildDir))
            buildDir = inf.canonicalPath() + '/' + buildDir;
        if (!QDir(buildDir).exists()) {
            QMessageBox msg(QMessageBox::Question,
                            tr("Cppcheck"),
                            tr("Build dir '%1' does not exist, create it?").arg(buildDir),
                            QMessageBox::Yes | QMessageBox::No,
                            this);
            if (msg.exec() == QMessageBox::Yes) {
                QDir().mkpath(buildDir);
            } else if (!projectFile->getAddons().isEmpty()) {
                QMessageBox m(QMessageBox::Critical,
                              tr("Cppcheck"),
                              tr("To check the project using addons, you need a build directory."),
                              QMessageBox::Ok,
                              this);
                m.exec();
                return;
            }
        }
    }

    if (!projectFile->getImportProject().isEmpty()) {
        ImportProject p;
        QString prjfile;

        if (QFileInfo(projectFile->getImportProject()).isAbsolute()) {
            prjfile = projectFile->getImportProject();
        } else {
            prjfile = inf.canonicalPath() + '/' + projectFile->getImportProject();
        }
        try {
            p.import(prjfile.toStdString());
        } catch (InternalError &e) {
            QMessageBox msg(QMessageBox::Critical,
                            tr("Cppcheck"),
                            tr("Failed to import '%1', analysis is stopped").arg(prjfile),
                            QMessageBox::Ok,
                            this);
            msg.exec();
            return;
        }
        doAnalyzeProject(p, checkLibrary, checkConfiguration);
        return;
    }

    QStringList paths = projectFile->getCheckPaths();

    // If paths not given then check the root path (which may be the project
    // file's location, see above). This is to keep the compatibility with
    // old "silent" project file loading when we checked the director where the
    // project file was located.
    if (paths.isEmpty()) {
        paths << mCurrentDirectory;
    }
    doAnalyzeFiles(paths, checkLibrary, checkConfiguration);
}

void MainWindow::newProjectFile()
{
    const QString filter = tr("Project files (*.cppcheck)");
    QString filepath = QFileDialog::getSaveFileName(this,
                                                    tr("Select Project Filename"),
                                                    getPath(SETTINGS_LAST_PROJECT_PATH),
                                                    filter);

    if (filepath.isEmpty())
        return;
    if (!filepath.endsWith(".cppcheck", Qt::CaseInsensitive))
        filepath += ".cppcheck";

    setPath(SETTINGS_LAST_PROJECT_PATH, filepath);

    QFileInfo inf(filepath);
    const QString filename = inf.fileName();
    formatAndSetTitle(tr("Project:") + QString(" ") + filename);

    delete mProjectFile;
    mProjectFile = new ProjectFile(this);
    mProjectFile->setActiveProject();
    mProjectFile->setFilename(filepath);
    mProjectFile->setBuildDir(filename.left(filename.indexOf(".")) + "-cppcheck-build-dir");

    ProjectFileDialog dlg(mProjectFile, this);
    if (dlg.exec() == QDialog::Accepted) {
        addProjectMRU(filepath);
        mUI.mResults->showContracts(mProjectFile->bugHunting);
        analyzeProject(mProjectFile);
    } else {
        closeProjectFile();
    }

    updateFunctionContractsTab();
    updateVariableContractsTab();
}

void MainWindow::closeProjectFile()
{
    delete mProjectFile;
    mProjectFile = nullptr;
    mUI.mResults->clear(true);
    mUI.mResults->clearContracts();
    mUI.mResults->showContracts(false);
    enableProjectActions(false);
    enableProjectOpenActions(true);
    formatAndSetTitle();
}

void MainWindow::editProjectFile()
{
    if (!mProjectFile) {
        QMessageBox msg(QMessageBox::Critical,
                        tr("Cppcheck"),
                        QString(tr("No project file loaded")),
                        QMessageBox::Ok,
                        this);
        msg.exec();
        return;
    }

    ProjectFileDialog dlg(mProjectFile, this);
    if (dlg.exec() == QDialog::Accepted) {
        mProjectFile->write();
        mUI.mResults->showContracts(mProjectFile->bugHunting);
        analyzeProject(mProjectFile);
    }
}

void MainWindow::showStatistics()
{
    StatsDialog statsDialog(this);

    // Show a dialog with the previous scan statistics and project information
    statsDialog.setProject(mProjectFile);
    statsDialog.setPathSelected(mCurrentDirectory);
    statsDialog.setNumberOfFilesScanned(mThread->getPreviousFilesCount());
    statsDialog.setScanDuration(mThread->getPreviousScanDuration() / 1000.0);
    statsDialog.setStatistics(mUI.mResults->getStatistics());

    statsDialog.exec();
}

void MainWindow::showLibraryEditor()
{
    LibraryDialog libraryDialog(this);
    libraryDialog.exec();
}

void MainWindow::filterResults()
{
    mUI.mResults->filterResults(mLineEditFilter->text());
}

void MainWindow::enableProjectActions(bool enable)
{
    mUI.mActionCloseProjectFile->setEnabled(enable);
    mUI.mActionEditProjectFile->setEnabled(enable);
    mUI.mActionCheckLibrary->setEnabled(enable);
    mUI.mActionCheckConfiguration->setEnabled(enable);
}

void MainWindow::enableProjectOpenActions(bool enable)
{
    mUI.mActionNewProjectFile->setEnabled(enable);
    mUI.mActionOpenProjectFile->setEnabled(enable);
}

void MainWindow::openRecentProject()
{
    QAction *action = qobject_cast<QAction *>(sender());
    if (!action)
        return;
    const QString project = action->data().toString();
    QFileInfo inf(project);
    if (inf.exists()) {
        if (inf.suffix() == "xml")
            loadResults(project);
        else {
            loadProjectFile(project);
            loadLastResults();
        }
    } else {
        const QString text(tr("The project file\n\n%1\n\n could not be found!\n\n"
                              "Do you want to remove the file from the recently "
                              "used projects -list?").arg(project));

        QMessageBox msg(QMessageBox::Warning,
                        tr("Cppcheck"),
                        text,
                        QMessageBox::Yes | QMessageBox::No,
                        this);

        msg.setDefaultButton(QMessageBox::No);
        int rv = msg.exec();
        if (rv == QMessageBox::Yes) {
            removeProjectMRU(project);
        }
    }
}

void MainWindow::updateMRUMenuItems()
{
    for (QAction* recentProjectAct : mRecentProjectActs) {
        if (recentProjectAct != nullptr)
            mUI.mMenuFile->removeAction(recentProjectAct);
    }

    QStringList projects = mSettings->value(SETTINGS_MRU_PROJECTS).toStringList();

    // Do a sanity check - remove duplicates and non-existing projects
    int removed = projects.removeDuplicates();
    for (int i = projects.size() - 1; i >= 0; i--) {
        if (!QFileInfo(projects[i]).exists()) {
            projects.removeAt(i);
            removed++;
        }
    }

    if (removed)
        mSettings->setValue(SETTINGS_MRU_PROJECTS, projects);

    const int numRecentProjects = qMin(projects.size(), (int)MaxRecentProjects);
    for (int i = 0; i < numRecentProjects; i++) {
        const QString filename = QFileInfo(projects[i]).fileName();
        const QString text = QString("&%1 %2").arg(i + 1).arg(filename);
        mRecentProjectActs[i]->setText(text);
        mRecentProjectActs[i]->setData(projects[i]);
        mRecentProjectActs[i]->setVisible(true);
        mUI.mMenuFile->insertAction(mUI.mActionProjectMRU, mRecentProjectActs[i]);
    }

    if (numRecentProjects > 1)
        mRecentProjectActs[numRecentProjects] = mUI.mMenuFile->insertSeparator(mUI.mActionProjectMRU);
}

void MainWindow::addProjectMRU(const QString &project)
{
    QStringList files = mSettings->value(SETTINGS_MRU_PROJECTS).toStringList();
    files.removeAll(project);
    files.prepend(project);
    while (files.size() > MaxRecentProjects)
        files.removeLast();

    mSettings->setValue(SETTINGS_MRU_PROJECTS, files);
    updateMRUMenuItems();
}

void MainWindow::removeProjectMRU(const QString &project)
{
    QStringList files = mSettings->value(SETTINGS_MRU_PROJECTS).toStringList();
    files.removeAll(project);

    mSettings->setValue(SETTINGS_MRU_PROJECTS, files);
    updateMRUMenuItems();
}

void MainWindow::selectPlatform()
{
    QAction *action = qobject_cast<QAction *>(sender());
    if (action) {
        const Settings::PlatformType platform = (Settings::PlatformType) action->data().toInt();
        mSettings->setValue(SETTINGS_CHECKED_PLATFORM, platform);
    }
}

void MainWindow::suppressIds(QStringList ids)
{
    if (!mProjectFile)
        return;
    ids.removeDuplicates();

    QList<Suppressions::Suppression> suppressions = mProjectFile->getSuppressions();
    foreach (QString id, ids) {
        // Remove all matching suppressions
        std::string id2 = id.toStdString();
        for (int i = 0; i < suppressions.size();) {
            if (suppressions[i].errorId == id2)
                suppressions.removeAt(i);
            else
                ++i;
        }

        Suppressions::Suppression newSuppression;
        newSuppression.errorId = id2;
        suppressions << newSuppression;
    }

    mProjectFile->setSuppressions(suppressions);
    mProjectFile->write();
}

void MainWindow::editFunctionContract(QString function)
{
    if (!mProjectFile)
        return;

    QString expects;
    const auto it = mProjectFile->getFunctionContracts().find(function.toStdString());
    if (it != mProjectFile->getFunctionContracts().end())
        expects = QString::fromStdString(it->second);

    FunctionContractDialog dlg(nullptr,
                               function,
                               expects);

    if (dlg.exec() == QDialog::Accepted) {
        mProjectFile->setFunctionContract(function, dlg.getExpects());
        mProjectFile->write();
    }

    updateFunctionContractsTab();
}

void MainWindow::editVariableContract(QString var)
{
    if (!mProjectFile)
        return;

    VariableContractsDialog dlg(nullptr, var);
    if (dlg.exec() == QDialog::Accepted) {
        mProjectFile->setVariableContracts(dlg.getVarname(), dlg.getMin(), dlg.getMax());
        mProjectFile->write();
    }

    updateVariableContractsTab();
}

void MainWindow::deleteFunctionContract(const QString& function)
{
    if (mProjectFile) {
        mProjectFile->deleteFunctionContract(function);
        mProjectFile->write();
    }
}

void MainWindow::deleteVariableContract(const QString& var)
{
    if (mProjectFile) {
        mProjectFile->deleteVariableContract(var);
        mProjectFile->write();
    }
}