Git: Add grep and pickaxe filters

Fixes: QTCREATORBUG-22512
Change-Id: I98eed9a7f9da15e163804a0fd81713149a06c5b0
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@qt.io>
Reviewed-by: André Hartmann <aha_1980@gmx.de>

src/plugins/git/gitclient.cpp

@@ -999,8 +999,9 @@ void GitClient::log(const QString &workingDirectory, const QString &fileName,
     const QString title = tr("Git Log \"%1\"").arg(msgArg);
     const Id editorId = Git::Constants::GIT_LOG_EDITOR_ID;
     const QString sourceFile = VcsBaseEditor::getSource(workingDir, fileName);
-    VcsBaseEditorWidget *editor = createVcsEditor(editorId, title, sourceFile,
-                                                  codecFor(CodecLogOutput), "logTitle", msgArg);
+    GitEditorWidget *editor = static_cast<GitEditorWidget *>(
+                createVcsEditor(editorId, title, sourceFile,
+                                codecFor(CodecLogOutput), "logTitle", msgArg));
     VcsBaseEditorConfig *argWidget = editor->editorConfig();
     if (!argWidget) {
         argWidget = new GitLogArgumentsWidget(settings(), !fileName.isEmpty(), editor->toolBar());
@@ -1018,6 +1019,13 @@ void GitClient::log(const QString &workingDirectory, const QString &fileName,
         arguments << "-n" << QString::number(logCount);
 
     arguments << argWidget->arguments();
+    const QString grepValue = editor->grepValue();
+    if (!grepValue.isEmpty())
+        arguments << "--grep=" + grepValue;
+
+    const QString pickaxeValue = editor->pickaxeValue();
+    if (!pickaxeValue.isEmpty())
+        arguments << "-S" << pickaxeValue;
 
     if (!fileName.isEmpty())
         arguments << "--" << fileName;

src/plugins/git/giteditor.cpp

@@ -35,10 +35,11 @@
 #include "githighlighters.h"
 
 #include <coreplugin/icore.h>
-#include <utils/qtcassert.h>
-#include <vcsbase/vcsoutputwindow.h>
 #include <texteditor/textdocument.h>
+#include <vcsbase/vcsbaseeditorconfig.h>
+#include <vcsbase/vcsoutputwindow.h>
 
+#include <utils/qtcassert.h>
 #include <utils/temporaryfile.h>
 
 #include <QMenu>
@@ -380,5 +381,45 @@ QString GitEditorWidget::sourceWorkingDirectory() const
     return path.toString();
 }
 
+void GitEditorWidget::lineEditChanged()
+{
+    if (VcsBaseEditorConfig *config = editorConfig())
+        config->handleArgumentsChanged();
+}
+
+void GitEditorWidget::refreshOnLineEdit(Utils::FancyLineEdit *lineEdit)
+{
+    connect(lineEdit, &QLineEdit::returnPressed,
+            this, &GitEditorWidget::lineEditChanged);
+    connect(lineEdit, &Utils::FancyLineEdit::rightButtonClicked,
+            this, &GitEditorWidget::lineEditChanged);
+}
+
+void GitEditorWidget::setGrepLineEdit(Utils::FancyLineEdit *lineEdit)
+{
+    m_grepLineEdit = lineEdit;
+    refreshOnLineEdit(lineEdit);
+}
+
+void GitEditorWidget::setPickaxeLineEdit(Utils::FancyLineEdit *lineEdit)
+{
+    m_pickaxeLineEdit = lineEdit;
+    refreshOnLineEdit(lineEdit);
+}
+
+QString GitEditorWidget::grepValue() const
+{
+    if (!m_grepLineEdit)
+        return QString();
+    return m_grepLineEdit->text();
+}
+
+QString GitEditorWidget::pickaxeValue() const
+{
+    if (!m_pickaxeLineEdit)
+        return QString();
+    return m_pickaxeLineEdit->text();
+}
+
 } // namespace Internal
 } // namespace Git

src/plugins/git/giteditor.h

@@ -29,6 +29,8 @@
 
 #include <QRegExp>
 
+namespace Utils { class FancyLineEdit; }
+
 namespace Git {
 namespace Internal {
 
@@ -40,6 +42,10 @@ public:
     GitEditorWidget();
 
     void setPlainText(const QString &text) override;
+    void setGrepLineEdit(Utils::FancyLineEdit *lineEdit);
+    void setPickaxeLineEdit(Utils::FancyLineEdit *lineEdit);
+    QString grepValue() const;
+    QString pickaxeValue() const;
 
 private:
     void applyDiffChunk(const VcsBase::DiffChunk& chunk, bool revert);
@@ -59,9 +65,13 @@ private:
     bool supportChangeLinks() const override;
     QString fileNameForLine(int line) const override;
     QString sourceWorkingDirectory() const;
+    void refreshOnLineEdit(Utils::FancyLineEdit *lineEdit);
+    void lineEditChanged();
 
     mutable QRegExp m_changeNumberPattern;
     QString m_currentChange;
+    Utils::FancyLineEdit *m_grepLineEdit = nullptr;
+    Utils::FancyLineEdit *m_pickaxeLineEdit = nullptr;
 };
 
 } // namespace Git

src/plugins/git/gitplugin.cpp

@@ -54,11 +54,13 @@
 #include <coreplugin/editormanager/editormanager.h>
 #include <coreplugin/editormanager/ieditor.h>
 #include <coreplugin/locator/commandlocator.h>
+#include <coreplugin/messagebox.h>
 #include <coreplugin/modemanager.h>
 #include <coreplugin/navigationwidget.h>
 #include <coreplugin/vcsmanager.h>
 
-#include <coreplugin/messagebox.h>
+#include <aggregation/aggregate.h>
+#include <utils/fancylineedit.h>
 #include <utils/parameteraction.h>
 #include <utils/pathchooser.h>
 #include <utils/qtcassert.h>
@@ -83,7 +85,9 @@
 #include <QAction>
 #include <QApplication>
 #include <QFileDialog>
+#include <QHBoxLayout>
 #include <QMenu>
+#include <QVBoxLayout>
 
 #ifdef WITH_TESTS
 #include <QTest>
@@ -125,6 +129,52 @@ private:
     GitClient *m_client;
 };
 
+class GitLogEditorWidget : public QWidget
+{
+    Q_DECLARE_TR_FUNCTIONS(Git::Internal::GitLogEditorWidget);
+public:
+    GitLogEditorWidget()
+    {
+        auto gitEditor = new GitEditorWidget;
+        auto vlayout = new QVBoxLayout;
+        auto hlayout = new QHBoxLayout;
+        vlayout->setSpacing(0);
+        vlayout->setContentsMargins(0, 0, 0, 0);
+        auto grepLineEdit = addLineEdit(tr("Filter by message"),
+                                        tr("Filter log entries by text in the commit message."));
+        auto pickaxeLineEdit = addLineEdit(tr("Filter by content"),
+                                           tr("Filter log entries by added or removed string."));
+        hlayout->setSpacing(20);
+        hlayout->setContentsMargins(0, 0, 0, 0);
+        hlayout->addWidget(new QLabel(tr("Filter:")));
+        hlayout->addWidget(grepLineEdit);
+        hlayout->addWidget(pickaxeLineEdit);
+        hlayout->addStretch();
+        vlayout->addLayout(hlayout);
+        vlayout->addWidget(gitEditor);
+        setLayout(vlayout);
+        gitEditor->setGrepLineEdit(grepLineEdit);
+        gitEditor->setPickaxeLineEdit(pickaxeLineEdit);
+
+        auto textAgg = Aggregation::Aggregate::parentAggregate(gitEditor);
+        auto agg = textAgg ? textAgg : new Aggregation::Aggregate;
+        agg->add(this);
+        agg->add(gitEditor);
+        setFocusProxy(gitEditor);
+    }
+
+private:
+    FancyLineEdit *addLineEdit(const QString &placeholder, const QString &tooltip)
+    {
+        auto lineEdit = new FancyLineEdit;
+        lineEdit->setFiltering(true);
+        lineEdit->setToolTip(tooltip);
+        lineEdit->setPlaceholderText(placeholder);
+        lineEdit->setMaximumWidth(200);
+        return lineEdit;
+    }
+};
+
 const unsigned minimumRequiredVersion = 0x010900;
 
 const VcsBaseSubmitEditorParameters submitParameters {
@@ -346,7 +396,7 @@ public:
 
     VcsEditorFactory logEditorFactory {
         &logEditorParameters,
-        [] { return new GitEditorWidget; },
+        [] { return new GitLogEditorWidget; },
         std::bind(&GitPluginPrivate::describe, this, _1, _2)
     };
 

src/plugins/vcsbase/basevcseditorfactory.cpp

@@ -71,10 +71,11 @@ VcsEditorFactory::VcsEditorFactory(const VcsBaseEditorParameters *parameters,
         return document;
     });
 
-    setEditorWidgetCreator([parameters, editorWidgetCreator, describeFunc]() -> TextEditorWidget * {
-        auto widget = qobject_cast<VcsBaseEditorWidget *>(editorWidgetCreator());
-        widget->setDescribeFunc(describeFunc);
-        widget->setParameters(parameters);
+    setEditorWidgetCreator([parameters, editorWidgetCreator, describeFunc]() {
+        auto widget = editorWidgetCreator();
+        auto editorWidget = Aggregation::query<VcsBaseEditorWidget>(widget);
+        editorWidget->setDescribeFunc(describeFunc);
+        editorWidget->setParameters(parameters);
         return widget;
     });