Advanced search: Add exclusion patterns

All files with full file path matching one of the exclusion patterns are
ignored in the search.
Searching with "git grep" now requires git >= 1.9

Change-Id: Ied5d11499bc1ff21247e50f8e146e8e5011dd2c1
Reviewed-by: David Schulz <david.schulz@qt.io>
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

18 files changed, 244 insertions, 104 deletions

diff --git a/doc/src/vcs/creator-vcs.qdoc b/doc/src/vcs/creator-vcs.qdoc
index 655394bc7a..561dc8a54d 100644
--- a/doc/src/vcs/creator-vcs.qdoc
+++ b/doc/src/vcs/creator-vcs.qdoc
@@ -58,7 +58,7 @@
         \row
             \li \l{Using Git}{Git}
             \li \l{http://git-scm.com/}
-            \li Git version 1.8.0, or later
+            \li Git version 1.9.0, or later
 
                 Gerrit version 2.6, or later
         \row
diff --git a/src/libs/utils/filesearch.cpp b/src/libs/utils/filesearch.cpp
index 1a13378d1c..beac6433bd 100644
--- a/src/libs/utils/filesearch.cpp
+++ b/src/libs/utils/filesearch.cpp
@@ -23,11 +23,14 @@
 **
 ****************************************************************************/
 
+#include "algorithm.h"
 #include "filesearch.h"
+#include "fileutils.h"
 #include "mapreduce.h"
 
 #include <QCoreApplication>
 #include <QMutex>
+#include <QRegExp>
 #include <QRegularExpression>
 #include <QTextCodec>
 
@@ -457,6 +460,50 @@ QString matchCaseReplacement(const QString &originalText, const QString &replace
 
     return replaceText;         // mixed
 }
+} // namespace
+
+static QList<QRegExp> filtersToRegExps(const QStringList &filters)
+{
+    return Utils::transform(filters, [](const QString &filter) {
+        return QRegExp(filter, Qt::CaseInsensitive, QRegExp::Wildcard);
+    });
+}
+
+static bool matches(const QList<QRegExp> &exprList, const QString &filePath)
+{
+    return Utils::anyOf(exprList, [&filePath](QRegExp reg) {
+        return (reg.exactMatch(filePath)
+                || reg.exactMatch(Utils::FileName::fromString(filePath).fileName()));
+    });
+}
+
+static bool isFileIncluded(const QList<QRegExp> &filterRegs, const QList<QRegExp> &exclusionRegs,
+                           const QString &filePath)
+{
+    const bool isIncluded = filterRegs.isEmpty() || matches(filterRegs, filePath);
+    return isIncluded && (exclusionRegs.isEmpty() || !matches(exclusionRegs, filePath));
+}
+
+std::function<bool(const QString &)>
+filterFileFunction(const QStringList &filters, const QStringList &exclusionFilters)
+{
+    const QList<QRegExp> filterRegs = filtersToRegExps(filters);
+    const QList<QRegExp> exclusionRegs = filtersToRegExps(exclusionFilters);
+    return [filterRegs, exclusionRegs](const QString &filePath) {
+        return isFileIncluded(filterRegs, exclusionRegs, filePath);
+    };
+}
+
+std::function<QStringList(const QStringList &)>
+filterFilesFunction(const QStringList &filters, const QStringList &exclusionFilters)
+{
+    const QList<QRegExp> filterRegs = filtersToRegExps(filters);
+    const QList<QRegExp> exclusionRegs = filtersToRegExps(exclusionFilters);
+    return [filterRegs, exclusionRegs](const QStringList &filePaths) {
+        return Utils::filtered(filePaths, [&filterRegs, &exclusionRegs](const QString &filePath) {
+            return isFileIncluded(filterRegs, exclusionRegs, filePath);
+        });
+    };
 }
 
 QString matchCaseReplacement(const QString &originalText, const QString &replaceText)
@@ -562,8 +609,9 @@ namespace {
 }
 
 SubDirFileIterator::SubDirFileIterator(const QStringList &directories, const QStringList &filters,
-                                       QTextCodec *encoding)
-    : m_filters(filters), m_progress(0)
+                                       const QStringList &exclusionFilters, QTextCodec *encoding)
+    : m_filterFiles(filterFilesFunction(filters, exclusionFilters)),
+      m_progress(0)
 {
     m_encoding = (encoding == 0 ? QTextCodec::codecForLocale() : encoding);
     qreal maxPer = qreal(MAX_PROGRESS) / directories.count();
@@ -591,19 +639,21 @@ void SubDirFileIterator::update(int index)
         const qreal dirProgressMax = m_progressValues.pop();
         const bool processed = m_processedValues.pop();
         if (dir.exists()) {
+            const QString dirPath = dir.path();
             QStringList subDirs;
             if (!processed)
                 subDirs = dir.entryList(QDir::Dirs|QDir::Hidden|QDir::NoDotAndDotDot);
             if (subDirs.isEmpty()) {
-                QStringList fileEntries = dir.entryList(m_filters,
-                    QDir::Files|QDir::Hidden);
-                QStringListIterator it(fileEntries);
-                it.toBack();
-                m_items.reserve(m_items.size() + fileEntries.size());
-                while (it.hasPrevious()) {
-                    const QString &file = it.previous();
-                    m_items.append(new Item(dir.path()+ QLatin1Char('/') + file, m_encoding));
-                }
+                const QStringList allFileEntries = dir.entryList(QDir::Files|QDir::Hidden);
+                const QStringList allFilePaths = Utils::transform(allFileEntries,
+                                                                  [&dirPath](const QString &entry) {
+                    return QString(dirPath + '/' + entry);
+                });
+                const QStringList filePaths = m_filterFiles(allFilePaths);
+                m_items.reserve(m_items.size() + filePaths.size());
+                Utils::reverseForeach(filePaths, [this](const QString &file) {
+                    m_items.append(new Item(file, m_encoding));
+                });
                 m_progress += dirProgressMax;
             } else {
                 qreal subProgress = dirProgressMax/(subDirs.size()+1);
@@ -614,7 +664,7 @@ void SubDirFileIterator::update(int index)
                 it.toBack();
                 while (it.hasPrevious()) {
                     const QString &directory = it.previous();
-                    m_dirs.push(QDir(dir.path()+ QLatin1Char('/') + directory));
+                    m_dirs.push(QDir(dirPath + QLatin1Char('/') + directory));
                     m_progressValues.push(subProgress);
                     m_processedValues.push(false);
                 }
diff --git a/src/libs/utils/filesearch.h b/src/libs/utils/filesearch.h
index 05cadc261d..540cd9304d 100644
--- a/src/libs/utils/filesearch.h
+++ b/src/libs/utils/filesearch.h
@@ -33,10 +33,20 @@
 #include <QStack>
 #include <QTextDocument>
 
+#include <functional>
+
 QT_FORWARD_DECLARE_CLASS(QTextCodec)
 
 namespace Utils {
 
+QTCREATOR_UTILS_EXPORT
+std::function<bool(const QString &)>
+filterFileFunction(const QStringList &filterRegs, const QStringList &exclusionRegs);
+
+QTCREATOR_UTILS_EXPORT
+std::function<QStringList(const QStringList &)>
+filterFilesFunction(const QStringList &filters, const QStringList &exclusionFilters);
+
 class QTCREATOR_UTILS_EXPORT FileIterator
 {
 public:
@@ -119,7 +129,9 @@ private:
 class QTCREATOR_UTILS_EXPORT SubDirFileIterator : public FileIterator
 {
 public:
-    SubDirFileIterator(const QStringList &directories, const QStringList &filters,
+    SubDirFileIterator(const QStringList &directories,
+                       const QStringList &filters,
+                       const QStringList &exclusionFilters,
                        QTextCodec *encoding = 0);
     ~SubDirFileIterator();
 
@@ -132,7 +144,7 @@ protected:
     const Item &itemAt(int index) const override;
 
 private:
-    QStringList m_filters;
+    std::function<QStringList(const QStringList &)> m_filterFiles;
     QTextCodec *m_encoding;
     QStack<QDir> m_dirs;
     QStack<qreal> m_progressValues;
diff --git a/src/plugins/coreplugin/locator/directoryfilter.cpp b/src/plugins/coreplugin/locator/directoryfilter.cpp
index 8a3bc2b395..cc95a200ef 100644
--- a/src/plugins/coreplugin/locator/directoryfilter.cpp
+++ b/src/plugins/coreplugin/locator/directoryfilter.cpp
@@ -190,7 +190,7 @@ void DirectoryFilter::refresh(QFutureInterface<void> &future)
         }
         directories = m_directories;
     }
-    Utils::SubDirFileIterator subDirIterator(directories, m_filters);
+    Utils::SubDirFileIterator subDirIterator(directories, m_filters, {});
     future.setProgressRange(0, subDirIterator.maxProgress());
     QStringList filesFound;
     auto end = subDirIterator.end();
diff --git a/src/plugins/git/gitgrep.cpp b/src/plugins/git/gitgrep.cpp
index c391fe1a4a..3c0096921f 100644
--- a/src/plugins/git/gitgrep.cpp
+++ b/src/plugins/git/gitgrep.cpp
@@ -35,6 +35,7 @@
 #include <vcsbase/vcscommand.h>
 #include <vcsbase/vcsbaseconstants.h>
 
+#include <utils/algorithm.h>
 #include <utils/asconst.h>
 #include <utils/fancylineedit.h>
 #include <utils/filesearch.h>
@@ -159,7 +160,14 @@ public:
             arguments << params.ref;
             m_ref = params.ref + ':';
         }
-        arguments << "--" << m_parameters.nameFilters;
+        const QStringList filterArgs =
+                m_parameters.nameFilters.isEmpty() ? QStringList("*") // needed for exclusion filters
+                                                   : m_parameters.nameFilters;
+        const QStringList exclusionArgs =
+                Utils::transform(m_parameters.exclusionFilters, [](const QString &filter) {
+                    return QString(":!" + filter);
+                });
+        arguments << "--" << filterArgs << exclusionArgs;
         QScopedPointer<VcsCommand> command(GitPlugin::client()->createCommand(m_directory));
         command->addFlags(VcsCommand::SilentOutput | VcsCommand::SuppressFailMessage);
         command->setProgressiveOutput(true);
diff --git a/src/plugins/git/gitplugin.cpp b/src/plugins/git/gitplugin.cpp
index 093028c740..08de519e02 100644
--- a/src/plugins/git/gitplugin.cpp
+++ b/src/plugins/git/gitplugin.cpp
@@ -97,7 +97,7 @@ using namespace VcsBase;
 namespace Git {
 namespace Internal {
 
-const unsigned minimumRequiredVersion = 0x010800;
+const unsigned minimumRequiredVersion = 0x010900;
 
 const VcsBaseEditorParameters editorParameters[] = {
 {
diff --git a/src/plugins/projectexplorer/allprojectsfind.cpp b/src/plugins/projectexplorer/allprojectsfind.cpp
index 7ce05f7495..46b7fbb894 100644
--- a/src/plugins/projectexplorer/allprojectsfind.cpp
+++ b/src/plugins/projectexplorer/allprojectsfind.cpp
@@ -68,41 +68,28 @@ bool AllProjectsFind::isEnabled() const
 }
 
 Utils::FileIterator *AllProjectsFind::files(const QStringList &nameFilters,
+                                            const QStringList &exclusionFilters,
                                             const QVariant &additionalParameters) const
 {
     Q_UNUSED(additionalParameters)
-    return filesForProjects(nameFilters, SessionManager::projects());
+    return filesForProjects(nameFilters, exclusionFilters, SessionManager::projects());
 }
 
 Utils::FileIterator *AllProjectsFind::filesForProjects(const QStringList &nameFilters,
-                                            const QList<Project *> &projects) const
+                                                       const QStringList &exclusionFilters,
+                                                       const QList<Project *> &projects) const
 {
-    QList<QRegExp> filterRegs;
-    foreach (const QString &filter, nameFilters) {
-        filterRegs << QRegExp(filter, Qt::CaseInsensitive, QRegExp::Wildcard);
-    }
-    QMap<QString, QTextCodec *> openEditorEncodings = TextDocument::openedTextDocumentEncodings();
+    std::function<QStringList(const QStringList &)> filterFiles =
+            Utils::filterFilesFunction(nameFilters, exclusionFilters);
+    const QMap<QString, QTextCodec *> openEditorEncodings = TextDocument::openedTextDocumentEncodings();
     QMap<QString, QTextCodec *> encodings;
     foreach (const Project *project, projects) {
-        QStringList projectFiles = project->files(Project::AllFiles);
-        QStringList filteredFiles;
-        if (!filterRegs.isEmpty()) {
-            foreach (const QString &file, projectFiles) {
-                if (Utils::anyOf(filterRegs,
-                        [&file](QRegExp reg) {
-                            return (reg.exactMatch(file) || reg.exactMatch(Utils::FileName::fromString(file).fileName()));
-                        })) {
-                    filteredFiles.append(file);
-                }
-            }
-        } else {
-            filteredFiles = projectFiles;
-        }
         const EditorConfiguration *config = project->editorConfiguration();
         QTextCodec *projectCodec = config->useGlobalSettings()
             ? Core::EditorManager::defaultTextCodec()
             : config->textCodec();
-        foreach (const QString &fileName, filteredFiles) {
+        const QStringList filteredFiles = filterFiles(project->files(Project::AllFiles));
+        for (const QString &fileName : filteredFiles) {
             QTextCodec *codec = openEditorEncodings.value(fileName);
             if (!codec)
                 codec = projectCodec;
@@ -124,8 +111,10 @@ QString AllProjectsFind::label() const
 
 QString AllProjectsFind::toolTip() const
 {
-    // %2 is filled by BaseFileFind::runNewSearch
-    return tr("Filter: %1\n%2").arg(fileNameFilters().join(QLatin1Char(',')));
+    // last arg is filled by BaseFileFind::runNewSearch
+    return tr("Filter: %1\nExcluding: %2\n%3")
+            .arg(fileNameFilters().join(','))
+            .arg(fileExclusionFilters().join(','));
 }
 
 void AllProjectsFind::handleFileListChanged()
@@ -140,14 +129,13 @@ QWidget *AllProjectsFind::createConfigWidget()
         auto gridLayout = new QGridLayout(m_configWidget);
         gridLayout->setMargin(0);
         m_configWidget->setLayout(gridLayout);
-        auto filePatternLabel = new QLabel(tr("Fi&le pattern:"));
-        filePatternLabel->setMinimumWidth(80);
-        filePatternLabel->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred);
-        filePatternLabel->setAlignment(Qt::AlignRight | Qt::AlignVCenter);
-        QWidget *patternWidget = createPatternWidget();
-        filePatternLabel->setBuddy(patternWidget);
-        gridLayout->addWidget(filePatternLabel, 0, 0, Qt::AlignRight);
-        gridLayout->addWidget(patternWidget, 0, 1);
+        const QList<QPair<QWidget *, QWidget *>> patternWidgets = createPatternWidgets();
+        int row = 0;
+        for (const QPair<QWidget *, QWidget *> &p : patternWidgets) {
+            gridLayout->addWidget(p.first, row, 0, Qt::AlignRight);
+            gridLayout->addWidget(p.second, row, 1);
+            ++row;
+        }
         m_configWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
     }
     return m_configWidget;
@@ -163,6 +151,6 @@ void AllProjectsFind::writeSettings(QSettings *settings)
 void AllProjectsFind::readSettings(QSettings *settings)
 {
     settings->beginGroup(QLatin1String("AllProjectsFind"));
-    readCommonSettings(settings, QString(QLatin1Char('*')));
+    readCommonSettings(settings, "*", "");
     settings->endGroup();
 }
diff --git a/src/plugins/projectexplorer/allprojectsfind.h b/src/plugins/projectexplorer/allprojectsfind.h
index b3b9f4f1e0..87f2b77a14 100644
--- a/src/plugins/projectexplorer/allprojectsfind.h
+++ b/src/plugins/projectexplorer/allprojectsfind.h
@@ -53,8 +53,10 @@ public:
 
 protected:
     Utils::FileIterator *files(const QStringList &nameFilters,
+                               const QStringList &exclusionFilters,
                                const QVariant &additionalParameters) const override;
     Utils::FileIterator *filesForProjects(const QStringList &nameFilters,
+                                          const QStringList &exclusionFilters,
                                           const QList<Project *> &projects) const;
 
     QVariant additionalParameters() const override;
diff --git a/src/plugins/projectexplorer/currentprojectfind.cpp b/src/plugins/projectexplorer/currentprojectfind.cpp
index bffcd83945..c67c26a62f 100644
--- a/src/plugins/projectexplorer/currentprojectfind.cpp
+++ b/src/plugins/projectexplorer/currentprojectfind.cpp
@@ -73,14 +73,15 @@ QVariant CurrentProjectFind::additionalParameters() const
 }
 
 Utils::FileIterator *CurrentProjectFind::files(const QStringList &nameFilters,
-                           const QVariant &additionalParameters) const
+                                               const QStringList &exclusionFilters,
+                                               const QVariant &additionalParameters) const
 {
     QTC_ASSERT(additionalParameters.isValid(),
                return new Utils::FileListIterator(QStringList(), QList<QTextCodec *>()));
     QString projectFile = additionalParameters.toString();
     foreach (Project *project, SessionManager::projects()) {
         if (project->document() && projectFile == project->projectFilePath().toString())
-            return filesForProjects(nameFilters, QList<Project *>() << project);
+            return filesForProjects(nameFilters, exclusionFilters, QList<Project *>() << project);
     }
     return new Utils::FileListIterator(QStringList(), QList<QTextCodec *>());
 }
@@ -123,6 +124,6 @@ void CurrentProjectFind::writeSettings(QSettings *settings)
 void CurrentProjectFind::readSettings(QSettings *settings)
 {
     settings->beginGroup(QLatin1String("CurrentProjectFind"));
-    readCommonSettings(settings, QString(QLatin1Char('*')));
+    readCommonSettings(settings, "*", "");
     settings->endGroup();
 }
diff --git a/src/plugins/projectexplorer/currentprojectfind.h b/src/plugins/projectexplorer/currentprojectfind.h
index 301f97ebe3..244777464f 100644
--- a/src/plugins/projectexplorer/currentprojectfind.h
+++ b/src/plugins/projectexplorer/currentprojectfind.h
@@ -50,6 +50,7 @@ public:
 
 protected:
     Utils::FileIterator *files(const QStringList &nameFilters,
+                               const QStringList &exclusionFilters,
                                const QVariant &additionalParameters) const override;
     QVariant additionalParameters() const override;
     QString label() const override;
diff --git a/src/plugins/texteditor/basefilefind.cpp b/src/plugins/texteditor/basefilefind.cpp
index d6a24dd653..96e812c096 100644
--- a/src/plugins/texteditor/basefilefind.cpp
+++ b/src/plugins/texteditor/basefilefind.cpp
@@ -36,6 +36,7 @@
 #include <coreplugin/find/ifindsupport.h>
 #include <texteditor/texteditor.h>
 #include <texteditor/refactoringchanges.h>
+#include <utils/algorithm.h>
 #include <utils/fadingindicator.h>
 #include <utils/filesearch.h>
 #include <utils/qtcassert.h>
@@ -78,7 +79,8 @@ public:
                 : Utils::findInFiles;
 
         return func(parameters.text,
-                    baseFileFind->files(parameters.nameFilters, parameters.additionalParameters),
+                    baseFileFind->files(parameters.nameFilters, parameters.exclusionFilters,
+                                        parameters.additionalParameters),
                     textDocumentFlagsForFindFlags(parameters.flags),
                     TextDocument::openedTextDocumentContents());
 
@@ -114,9 +116,14 @@ public:
     QPointer<IFindSupport> m_currentFindSupport;
 
     QLabel *m_resultLabel = 0;
+    // models in native path format
     QStringListModel m_filterStrings;
+    QStringListModel m_exclusionStrings;
+    // current filter in portable path format
     QString m_filterSetting;
+    QString m_exclusionSetting;
     QPointer<QComboBox> m_filterCombo;
+    QPointer<QComboBox> m_exclusionCombo;
     QVector<SearchEngine *> m_searchEngines;
     SearchEngine *m_internalSearchEngine;
     int m_currentSearchEngineIndex = -1;
@@ -128,9 +135,10 @@ static void syncComboWithSettings(QComboBox *combo, const QString &setting)
 {
     if (!combo)
         return;
-    int index = combo->findText(setting);
+    const QString &nativeSettings = QDir::toNativeSeparators(setting);
+    int index = combo->findText(nativeSettings);
     if (index < 0)
-        combo->setEditText(setting);
+        combo->setEditText(nativeSettings);
     else
         combo->setCurrentIndex(index);
 }
@@ -188,18 +196,27 @@ bool BaseFileFind::isEnabled() const
     return true;
 }
 
+static QStringList splitFilterUiText(const QString &text)
+{
+    const QStringList parts = text.split(',');
+    const QStringList trimmedPortableParts = Utils::transform(parts, [](const QString &s) {
+        return QDir::fromNativeSeparators(s.trimmed());
+    });
+    return Utils::filtered(trimmedPortableParts, [](const QString &s) { return !s.isEmpty(); });
+}
+
 QStringList BaseFileFind::fileNameFilters() const
 {
-    QStringList filters;
-    if (d->m_filterCombo && !d->m_filterCombo->currentText().isEmpty()) {
-        const QStringList parts = d->m_filterCombo->currentText().split(',');
-        foreach (const QString &part, parts) {
-            const QString filter = part.trimmed();
-            if (!filter.isEmpty())
-                filters << filter;
-        }
-    }
-    return filters;
+    if (d->m_filterCombo)
+        return splitFilterUiText(d->m_filterCombo->currentText());
+    return QStringList();
+}
+
+QStringList BaseFileFind::fileExclusionFilters() const
+{
+    if (d->m_exclusionCombo)
+        return splitFilterUiText(d->m_exclusionCombo->currentText());
+    return QStringList();
 }
 
 SearchEngine *BaseFileFind::currentSearchEngine() const
@@ -248,6 +265,8 @@ void BaseFileFind::runNewSearch(const QString &txt, FindFlags findFlags,
     d->m_currentFindSupport = 0;
     if (d->m_filterCombo)
         updateComboEntries(d->m_filterCombo, true);
+    if (d->m_exclusionCombo)
+        updateComboEntries(d->m_exclusionCombo, true);
     QString tooltip = toolTip();
 
     SearchResult *search = SearchResultWindow::instance()->startNewSearch(
@@ -261,6 +280,7 @@ void BaseFileFind::runNewSearch(const QString &txt, FindFlags findFlags,
     parameters.text = txt;
     parameters.flags = findFlags;
     parameters.nameFilters = fileNameFilters();
+    parameters.exclusionFilters = fileExclusionFilters();
     parameters.additionalParameters = additionalParameters();
     parameters.searchEngineParameters = currentSearchEngine()->parameters();
     parameters.searchEngineIndex = d->m_currentSearchEngineIndex;
@@ -340,46 +360,93 @@ void BaseFileFind::doReplace(const QString &text,
     }
 }
 
-QWidget *BaseFileFind::createPatternWidget()
+static QComboBox *createCombo(QAbstractItemModel *model)
 {
-    QString filterToolTip = tr("List of comma separated wildcard filters");
-    d->m_filterCombo = new QComboBox;
-    d->m_filterCombo->setEditable(true);
-    d->m_filterCombo->setModel(&d->m_filterStrings);
-    d->m_filterCombo->setMaxCount(10);
-    d->m_filterCombo->setMinimumContentsLength(10);
-    d->m_filterCombo->setSizeAdjustPolicy(QComboBox::AdjustToMinimumContentsLengthWithIcon);
-    d->m_filterCombo->setInsertPolicy(QComboBox::InsertAtBottom);
-    d->m_filterCombo->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
+    auto combo = new QComboBox;
+    combo->setEditable(true);
+    combo->setModel(model);
+    combo->setMaxCount(10);
+    combo->setMinimumContentsLength(10);
+    combo->setSizeAdjustPolicy(QComboBox::AdjustToMinimumContentsLengthWithIcon);
+    combo->setInsertPolicy(QComboBox::InsertAtBottom);
+    combo->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
+    return combo;
+}
+
+static QLabel *createLabel(const QString &text)
+{
+    auto filePatternLabel = new QLabel(text);
+    filePatternLabel->setMinimumWidth(80);
+    filePatternLabel->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred);
+    filePatternLabel->setAlignment(Qt::AlignRight | Qt::AlignVCenter);
+    return filePatternLabel;
+}
+
+QList<QPair<QWidget *, QWidget *>> BaseFileFind::createPatternWidgets()
+{
+    static const QString filterToolTip = tr("List of comma separated wildcard filters. "
+                                            "Files with file name or full file path matching any filter are included.");
+    QLabel *filterLabel = createLabel(tr("Fi&le pattern:"));
+    d->m_filterCombo = createCombo(&d->m_filterStrings);
     d->m_filterCombo->setToolTip(filterToolTip);
+    filterLabel->setBuddy(d->m_filterCombo);
     syncComboWithSettings(d->m_filterCombo, d->m_filterSetting);
-    return d->m_filterCombo;
+    QLabel *exclusionLabel = createLabel(tr("Exclusion pattern:"));
+    d->m_exclusionCombo = createCombo(&d->m_exclusionStrings);
+    d->m_exclusionCombo->setToolTip(filterToolTip);
+    exclusionLabel->setBuddy(d->m_exclusionCombo);
+    syncComboWithSettings(d->m_exclusionCombo, d->m_exclusionSetting);
+    return { qMakePair(filterLabel,    d->m_filterCombo),
+             qMakePair(exclusionLabel, d->m_exclusionCombo) };
 }
 
 void BaseFileFind::writeCommonSettings(QSettings *settings)
 {
-    settings->setValue("filters", d->m_filterStrings.stringList());
+    std::function<QStringList(const QStringList &)> fromNativeSeparators = [](const QStringList &files) {
+        return Utils::transform(files, &QDir::fromNativeSeparators);
+    };
+
+    settings->setValue("filters", fromNativeSeparators(d->m_filterStrings.stringList()));
     if (d->m_filterCombo)
-        settings->setValue("currentFilter", d->m_filterCombo->currentText());
+        settings->setValue("currentFilter",
+                           QDir::fromNativeSeparators(d->m_filterCombo->currentText()));
+    settings->setValue("exclusionFilters", fromNativeSeparators(d->m_exclusionStrings.stringList()));
+    if (d->m_exclusionCombo)
+        settings->setValue("currentExclusionFilter",
+                           QDir::fromNativeSeparators(d->m_exclusionCombo->currentText()));
 
     foreach (SearchEngine *searchEngine, d->m_searchEngines)
         searchEngine->writeSettings(settings);
     settings->setValue("currentSearchEngineIndex", d->m_currentSearchEngineIndex);
 }
 
-void BaseFileFind::readCommonSettings(QSettings *settings, const QString &defaultFilter)
+void BaseFileFind::readCommonSettings(QSettings *settings, const QString &defaultFilter,
+                                      const QString &defaultExclusionFilter)
 {
+    std::function<QStringList(const QStringList &)> toNativeSeparators = [](const QStringList &files) {
+        return Utils::transform(files, &QDir::toNativeSeparators);
+    };
+
     QStringList filters = settings->value("filters").toStringList();
-    const QVariant currentFilter = settings->value("currentFilter");
-    d->m_filterSetting = currentFilter.toString();
     if (filters.isEmpty())
         filters << defaultFilter;
-    if (!currentFilter.isValid())
-        d->m_filterSetting = filters.first();
-    d->m_filterStrings.setStringList(filters);
+    const QVariant currentFilter = settings->value("currentFilter");
+    d->m_filterSetting = currentFilter.isValid() ? currentFilter.toString()
+                                                 : filters.first();
+    d->m_filterStrings.setStringList(toNativeSeparators(filters));
     if (d->m_filterCombo)
         syncComboWithSettings(d->m_filterCombo, d->m_filterSetting);
 
+    QStringList exclusionFilters = settings->value("exclusionFilters").toStringList();
+    if (exclusionFilters.isEmpty())
+        exclusionFilters << defaultExclusionFilter;
+    const QVariant currentExclusionFilter = settings->value("currentExclusionFilter");
+    d->m_exclusionSetting = currentExclusionFilter.isValid() ? currentExclusionFilter.toString()
+                                                          : exclusionFilters.first();
+    d->m_exclusionStrings.setStringList(toNativeSeparators(exclusionFilters));
+    if (d->m_exclusionCombo)
+        syncComboWithSettings(d->m_exclusionCombo, d->m_exclusionSetting);
+
     foreach (SearchEngine* searchEngine, d->m_searchEngines)
         searchEngine->readSettings(settings);
     const int currentSearchEngineIndex = settings->value("currentSearchEngineIndex", 0).toInt();
diff --git a/src/plugins/texteditor/basefilefind.h b/src/plugins/texteditor/basefilefind.h
index 2a7b2bc151..56bbb4e5fd 100644
--- a/src/plugins/texteditor/basefilefind.h
+++ b/src/plugins/texteditor/basefilefind.h
@@ -57,11 +57,12 @@ class TEXTEDITOR_EXPORT FileFindParameters
 {
 public:
     QString text;
-    Core::FindFlags flags;
     QStringList nameFilters;
+    QStringList exclusionFilters;
     QVariant additionalParameters;
-    int searchEngineIndex;
     QVariant searchEngineParameters;
+    int searchEngineIndex;
+    Core::FindFlags flags;
 };
 
 class BaseFileFind;
@@ -111,6 +112,7 @@ public:
                                   const QList<Core::SearchResultItem> &items,
                                   bool preserveCase = false);
     virtual Utils::FileIterator *files(const QStringList &nameFilters,
+                                       const QStringList &exclusionFilters,
                                        const QVariant &additionalParameters) const = 0;
 
 protected:
@@ -122,9 +124,10 @@ protected:
     QFuture<Utils::FileSearchResultList> executeSearch(const FileFindParameters &parameters);
 
     void writeCommonSettings(QSettings *settings);
-    void readCommonSettings(QSettings *settings, const QString &defaultFilter);
-    QWidget *createPatternWidget();
+    void readCommonSettings(QSettings *settings, const QString &defaultFilter, const QString &defaultExclusionFilter);
+    QList<QPair<QWidget *, QWidget *>> createPatternWidgets();
     QStringList fileNameFilters() const;
+    QStringList fileExclusionFilters() const;
 
     SearchEngine *currentSearchEngine() const;
     QVector<SearchEngine *> searchEngines() const;
diff --git a/src/plugins/texteditor/findincurrentfile.cpp b/src/plugins/texteditor/findincurrentfile.cpp
index 03395955dd..df568a1311 100644
--- a/src/plugins/texteditor/findincurrentfile.cpp
+++ b/src/plugins/texteditor/findincurrentfile.cpp
@@ -57,9 +57,11 @@ QString FindInCurrentFile::displayName() const
 }
 
 Utils::FileIterator *FindInCurrentFile::files(const QStringList &nameFilters,
+                                              const QStringList &exclusionFilters,
                                               const QVariant &additionalParameters) const
 {
     Q_UNUSED(nameFilters)
+    Q_UNUSED(exclusionFilters)
     QString fileName = additionalParameters.toString();
     QMap<QString, QTextCodec *> openEditorEncodings = TextDocument::openedTextDocumentEncodings();
     QTextCodec *codec = openEditorEncodings.value(fileName);
@@ -116,6 +118,6 @@ void FindInCurrentFile::writeSettings(QSettings *settings)
 void FindInCurrentFile::readSettings(QSettings *settings)
 {
     settings->beginGroup(QLatin1String("FindInCurrentFile"));
-    readCommonSettings(settings, QLatin1String("*"));
+    readCommonSettings(settings, "*", "");
     settings->endGroup();
 }
diff --git a/src/plugins/texteditor/findincurrentfile.h b/src/plugins/texteditor/findincurrentfile.h
index 354680d63d..4f1295d818 100644
--- a/src/plugins/texteditor/findincurrentfile.h
+++ b/src/plugins/texteditor/findincurrentfile.h
@@ -52,6 +52,7 @@ public:
 
 protected:
     Utils::FileIterator *files(const QStringList &nameFilters,
+                               const QStringList &exclusionFilters,
                                const QVariant &additionalParameters) const;
     QVariant additionalParameters() const;
     QString label() const;
diff --git a/src/plugins/texteditor/findinfiles.cpp b/src/plugins/texteditor/findinfiles.cpp
index 8c882e2d85..72ec48f204 100644
--- a/src/plugins/texteditor/findinfiles.cpp
+++ b/src/plugins/texteditor/findinfiles.cpp
@@ -80,10 +80,12 @@ QString FindInFiles::displayName() const
 }
 
 FileIterator *FindInFiles::files(const QStringList &nameFilters,
+                                 const QStringList &exclusionFilters,
                                  const QVariant &additionalParameters) const
 {
     return new SubDirFileIterator(QStringList() << additionalParameters.toString(),
                                   nameFilters,
+                                  exclusionFilters,
                                   EditorManager::defaultTextCodec());
 }
 
@@ -107,9 +109,10 @@ QString FindInFiles::label() const
 QString FindInFiles::toolTip() const
 {
     //: the last arg is filled by BaseFileFind::runNewSearch
-    QString tooltip = tr("Path: %1\nFilter: %2\n%3")
+    QString tooltip = tr("Path: %1\nFilter: %2\nExcluding: %3\n%4")
             .arg(path().toUserOutput())
-            .arg(fileNameFilters().join(QLatin1Char(',')));
+            .arg(fileNameFilters().join(','))
+            .arg(fileExclusionFilters().join(','));
 
     const QString searchEngineToolTip = currentSearchEngine()->toolTip();
     if (!searchEngineToolTip.isEmpty())
@@ -183,14 +186,12 @@ QWidget *FindInFiles::createConfigWidget()
         dirLabel->setBuddy(m_directory);
         gridLayout->addWidget(m_directory, row++, 1, 1, 2);
 
-        QLabel * const filePatternLabel = new QLabel(tr("Fi&le pattern:"));
-        filePatternLabel->setMinimumWidth(80);
-        filePatternLabel->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred);
-        filePatternLabel->setAlignment(Qt::AlignRight | Qt::AlignVCenter);
-        QWidget *patternWidget = createPatternWidget();
-        filePatternLabel->setBuddy(patternWidget);
-        gridLayout->addWidget(filePatternLabel, row, 0);
-        gridLayout->addWidget(patternWidget, row++, 1, 1, 2);
+        const QList<QPair<QWidget *, QWidget *>> patternWidgets = createPatternWidgets();
+        for (const QPair<QWidget *, QWidget *> &p : patternWidgets) {
+            gridLayout->addWidget(p.first, row, 0, Qt::AlignRight);
+            gridLayout->addWidget(p.second, row, 1, 1, 2);
+            ++row;
+        }
         m_configWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
 
         // validity
@@ -221,7 +222,7 @@ void FindInFiles::writeSettings(QSettings *settings)
 void FindInFiles::readSettings(QSettings *settings)
 {
     settings->beginGroup(QLatin1String("FindInFiles"));
-    readCommonSettings(settings, QLatin1String("*.cpp,*.h"));
+    readCommonSettings(settings, "*.cpp,*.h", "*/.git/*,*/.cvs/*,*/.svn/*");
     settings->endGroup();
 }
 
diff --git a/src/plugins/texteditor/findinfiles.h b/src/plugins/texteditor/findinfiles.h
index e27c445b15..eb69ced567 100644
--- a/src/plugins/texteditor/findinfiles.h
+++ b/src/plugins/texteditor/findinfiles.h
@@ -66,6 +66,7 @@ signals:
 
 protected:
     Utils::FileIterator *files(const QStringList &nameFilters,
+                               const QStringList &exclusionFilters,
                                const QVariant &additionalParameters) const override;
     QVariant additionalParameters() const override;
     QString label() const override;
diff --git a/src/plugins/texteditor/findinopenfiles.cpp b/src/plugins/texteditor/findinopenfiles.cpp
index 8aa8289522..80f0e13097 100644
--- a/src/plugins/texteditor/findinopenfiles.cpp
+++ b/src/plugins/texteditor/findinopenfiles.cpp
@@ -56,9 +56,11 @@ QString FindInOpenFiles::displayName() const
 }
 
 Utils::FileIterator *FindInOpenFiles::files(const QStringList &nameFilters,
-                                              const QVariant &additionalParameters) const
+                                            const QStringList &exclusionFilters,
+                                            const QVariant &additionalParameters) const
 {
     Q_UNUSED(nameFilters)
+    Q_UNUSED(exclusionFilters)
     Q_UNUSED(additionalParameters)
     QMap<QString, QTextCodec *> openEditorEncodings
             = TextDocument::openedTextDocumentEncodings();
@@ -110,7 +112,7 @@ void FindInOpenFiles::writeSettings(QSettings *settings)
 void FindInOpenFiles::readSettings(QSettings *settings)
 {
     settings->beginGroup(QLatin1String("FindInOpenFiles"));
-    readCommonSettings(settings, QLatin1String("*"));
+    readCommonSettings(settings, "*", "");
     settings->endGroup();
 }
 
diff --git a/src/plugins/texteditor/findinopenfiles.h b/src/plugins/texteditor/findinopenfiles.h
index 759636c1ae..6caf7936af 100644
--- a/src/plugins/texteditor/findinopenfiles.h
+++ b/src/plugins/texteditor/findinopenfiles.h
@@ -45,6 +45,7 @@ public:
 
 protected:
     Utils::FileIterator *files(const QStringList &nameFilters,
+                               const QStringList &exclusionFilters,
                                const QVariant &additionalParameters) const;
     QVariant additionalParameters() const;
     QString label() const;