ClangFormat: Add disable option

- Added a possibility to disable ClangFormat plugin
- Removed unneeded properties from clangformatsettings

Change-Id: If71f46670e4fd3d2dac6d18c97df5a811504ed5e
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

9 files changed, 73 insertions, 106 deletions

diff --git a/src/plugins/clangformat/clangformatbaseindenter.h b/src/plugins/clangformat/clangformatbaseindenter.h
index 0b96451aca..bcfd4ca4a4 100644
--- a/src/plugins/clangformat/clangformatbaseindenter.h
+++ b/src/plugins/clangformat/clangformatbaseindenter.h
@@ -72,7 +72,6 @@ public:
 
 protected:
     virtual bool formatCodeInsteadOfIndent() const { return false; }
-    virtual bool formatWhileTyping() const { return false; }
     virtual int lastSaveRevision() const { return 0; }
 
 private:
diff --git a/src/plugins/clangformat/clangformatconfigwidget.cpp b/src/plugins/clangformat/clangformatconfigwidget.cpp
index 79ca3b5a1c..ddf0415ef4 100644
--- a/src/plugins/clangformat/clangformatconfigwidget.cpp
+++ b/src/plugins/clangformat/clangformatconfigwidget.cpp
@@ -62,36 +62,6 @@ using namespace ProjectExplorer;
 
 namespace ClangFormat {
 
-static bool isBeautifierPluginActivated()
-{
-    const QVector<ExtensionSystem::PluginSpec *> specs = ExtensionSystem::PluginManager::plugins();
-    return std::find_if(specs.begin(),
-                        specs.end(),
-                        [](ExtensionSystem::PluginSpec *spec) {
-                            return spec->name() == "Beautifier";
-                        })
-           != specs.end();
-}
-
-static bool isBeautifierOnSaveActivated()
-{
-    if (!isBeautifierPluginActivated())
-        return false;
-
-    QSettings *s = Core::ICore::settings();
-    bool activated = false;
-    s->beginGroup(Utils::Constants::BEAUTIFIER_SETTINGS_GROUP);
-    s->beginGroup(Utils::Constants::BEAUTIFIER_GENERAL_GROUP);
-    if (s->value(Utils::Constants::BEAUTIFIER_AUTO_FORMAT_ON_SAVE, false).toBool())
-        activated = true;
-    s->endGroup();
-    s->endGroup();
-    return activated;
-}
-
-static int indentIndex() { return 0; }
-static int formatIndex() { return 1; }
-
 bool ClangFormatConfigWidget::eventFilter(QObject *object, QEvent *event)
 {
     if (event->type() == QEvent::Wheel && qobject_cast<QComboBox *>(object)) {
@@ -210,25 +180,22 @@ void ClangFormatConfigWidget::onTableChanged()
 
 void ClangFormatConfigWidget::initIndentationOrFormattingCombobox()
 {
-    m_ui->indentingOrFormatting->insertItem(indentIndex(), tr("Indenting only"));
-    m_ui->indentingOrFormatting->insertItem(formatIndex(), tr("Full formatting"));
+    m_ui->indentingOrFormatting->insertItem(static_cast<int>(ClangFormatSettings::Mode::Indenting),
+                                            tr("Indenting only"));
+    m_ui->indentingOrFormatting->insertItem(static_cast<int>(ClangFormatSettings::Mode::Formatting),
+                                            tr("Full formatting"));
+    m_ui->indentingOrFormatting->insertItem(static_cast<int>(ClangFormatSettings::Mode::Disable),
+                                            tr("Disable"));
 
-    if (ClangFormatSettings::instance().formatCodeInsteadOfIndent())
-        m_ui->indentingOrFormatting->setCurrentIndex(formatIndex());
-    else
-        m_ui->indentingOrFormatting->setCurrentIndex(indentIndex());
+    m_ui->indentingOrFormatting->setCurrentIndex(
+        static_cast<int>(ClangFormatSettings::instance().mode()));
 
     m_ui->indentingOrFormatting->show();
 
     connect(m_ui->indentingOrFormatting, QOverload<int>::of(&QComboBox::currentIndexChanged),
             this, [](int index) {
                 ClangFormatSettings &settings = ClangFormatSettings::instance();
-                const bool isFormatting = index == formatIndex();
-                settings.setFormatCodeInsteadOfIndent(isFormatting);
-
-                if (!isBeautifierOnSaveActivated())
-                    settings.setFormatOnSave(isFormatting);
-
+                settings.setMode(static_cast<ClangFormatSettings::Mode>(index));
                 settings.write();
             });
 }
diff --git a/src/plugins/clangformat/clangformatconstants.h b/src/plugins/clangformat/clangformatconstants.h
index 2635dbedea..74e84efa17 100644
--- a/src/plugins/clangformat/clangformatconstants.h
+++ b/src/plugins/clangformat/clangformatconstants.h
@@ -31,10 +31,8 @@ static const char SETTINGS_FILE_NAME[] = ".clang-format";
 static const char SETTINGS_FILE_ALT_NAME[] = "_clang-format";
 static const char SAMPLE_FILE_NAME[] = "test.cpp";
 static const char SETTINGS_ID[] = "ClangFormat";
-static const char FORMAT_CODE_INSTEAD_OF_INDENT_ID[] = "ClangFormat.FormatCodeInsteadOfIndent";
-static const char FORMAT_WHILE_TYPING_ID[] = "ClangFormat.FormatWhileTyping";
-static const char FORMAT_CODE_ON_SAVE_ID[] = "ClangFormat.FormatCodeOnSave";
 static const char OVERRIDE_FILE_ID[] = "ClangFormat.OverrideFile";
+static const char MODE_ID[] = "ClangFormat.Mode";
 static const char OPEN_CURRENT_CONFIG_ID[] = "ClangFormat.OpenCurrentConfig";
 } // namespace Constants
 } // namespace ClangFormat
diff --git a/src/plugins/clangformat/clangformatfile.cpp b/src/plugins/clangformat/clangformatfile.cpp
index b439dc5698..192bb47cb8 100644
--- a/src/plugins/clangformat/clangformatfile.cpp
+++ b/src/plugins/clangformat/clangformatfile.cpp
@@ -166,7 +166,7 @@ CppEditor::CppCodeStyleSettings ClangFormatFile::toCppCodeStyleSettings(
     settings.indentControlFlowRelativeToSwitchLabels = style.IndentCaseBlocks;
 #endif
     if (style.DerivePointerAlignment
-        && ClangFormatSettings::instance().formatCodeInsteadOfIndent()) {
+        && ClangFormatSettings::instance().mode() == ClangFormatSettings::Mode::Formatting) {
         settings.bindStarToIdentifier = style.PointerAlignment == FormatStyle::PAS_Right;
         settings.bindStarToTypeName = style.PointerAlignment == FormatStyle::PAS_Left;
         settings.bindStarToLeftSpecifier = style.PointerAlignment == FormatStyle::PAS_Left;
@@ -209,11 +209,11 @@ void ClangFormatFile::fromCppCodeStyleSettings(const CppEditor::CppCodeStyleSett
                                      || settings.bindStarToRightSpecifier;
 
     if ((settings.bindStarToIdentifier || settings.bindStarToRightSpecifier)
-        && ClangFormatSettings::instance().formatCodeInsteadOfIndent())
+        && ClangFormatSettings::instance().mode() == ClangFormatSettings::Mode::Formatting)
         m_style.PointerAlignment = FormatStyle::PAS_Right;
 
     if ((settings.bindStarToTypeName || settings.bindStarToLeftSpecifier)
-        && ClangFormatSettings::instance().formatCodeInsteadOfIndent())
+        && ClangFormatSettings::instance().mode() == ClangFormatSettings::Mode::Formatting)
         m_style.PointerAlignment = FormatStyle::PAS_Left;
 
     saveNewFormat();
diff --git a/src/plugins/clangformat/clangformatindenter.cpp b/src/plugins/clangformat/clangformatindenter.cpp
index 7476c12041..6f7bb32ca8 100644
--- a/src/plugins/clangformat/clangformatindenter.cpp
+++ b/src/plugins/clangformat/clangformatindenter.cpp
@@ -24,11 +24,16 @@
 ****************************************************************************/
 
 #include "clangformatindenter.h"
+#include "clangformatconstants.h"
 #include "clangformatsettings.h"
 #include "clangformatutils.h"
 
+#include <coreplugin/icore.h>
+#include <extensionsystem/pluginmanager.h>
+#include <extensionsystem/pluginspec.h>
 #include <texteditor/tabsettings.h>
 #include <texteditor/textdocumentlayout.h>
+#include <utils/genericconstants.h>
 
 using namespace clang;
 using namespace format;
@@ -36,18 +41,40 @@ using namespace TextEditor;
 
 namespace ClangFormat {
 
+static bool isBeautifierPluginActivated()
+{
+    const QVector<ExtensionSystem::PluginSpec *> specs = ExtensionSystem::PluginManager::plugins();
+    return std::find_if(specs.begin(),
+                        specs.end(),
+                        [](ExtensionSystem::PluginSpec *spec) {
+                            return spec->name() == "Beautifier";
+                        })
+           != specs.end();
+}
+
+static bool isBeautifierOnSaveActivated()
+{
+    if (!isBeautifierPluginActivated())
+        return false;
+
+    QSettings *s = Core::ICore::settings();
+    bool activated = false;
+    s->beginGroup(Utils::Constants::BEAUTIFIER_SETTINGS_GROUP);
+    s->beginGroup(Utils::Constants::BEAUTIFIER_GENERAL_GROUP);
+    if (s->value(Utils::Constants::BEAUTIFIER_AUTO_FORMAT_ON_SAVE, false).toBool())
+        activated = true;
+    s->endGroup();
+    s->endGroup();
+    return activated;
+}
+
 ClangFormatIndenter::ClangFormatIndenter(QTextDocument *doc)
     : ClangFormatBaseIndenter(doc)
 {}
 
 bool ClangFormatIndenter::formatCodeInsteadOfIndent() const
 {
-    return ClangFormatSettings::instance().formatCodeInsteadOfIndent();
-}
-
-bool ClangFormatIndenter::formatWhileTyping() const
-{
-    return ClangFormatSettings::instance().formatWhileTyping();
+    return ClangFormatSettings::instance().mode() == ClangFormatSettings::Mode::Formatting;
 }
 
 Utils::optional<TabSettings> ClangFormatIndenter::tabSettings() const
@@ -87,7 +114,7 @@ int ClangFormatIndenter::lastSaveRevision() const
 
 bool ClangFormatIndenter::formatOnSave() const
 {
-    return ClangFormatSettings::instance().formatOnSave();
+    return !isBeautifierOnSaveActivated() && formatCodeInsteadOfIndent();
 }
 
 } // namespace ClangFormat
diff --git a/src/plugins/clangformat/clangformatindenter.h b/src/plugins/clangformat/clangformatindenter.h
index 9e1a65fb3d..83f0b912f6 100644
--- a/src/plugins/clangformat/clangformatindenter.h
+++ b/src/plugins/clangformat/clangformatindenter.h
@@ -40,7 +40,6 @@ public:
 
 private:
     bool formatCodeInsteadOfIndent() const override;
-    bool formatWhileTyping() const override;
     int lastSaveRevision() const override;
 };
 
diff --git a/src/plugins/clangformat/clangformatplugin.cpp b/src/plugins/clangformat/clangformatplugin.cpp
index 69ef7235fe..0b2c2fd5a6 100644
--- a/src/plugins/clangformat/clangformatplugin.cpp
+++ b/src/plugins/clangformat/clangformatplugin.cpp
@@ -28,6 +28,7 @@
 #include "clangformatconfigwidget.h"
 #include "clangformatconstants.h"
 #include "clangformatindenter.h"
+#include "clangformatsettings.h"
 #include "clangformatutils.h"
 #include "tests/clangformat-test.h"
 
@@ -56,6 +57,7 @@
 #include <projectexplorer/target.h>
 
 #include <texteditor/icodestylepreferences.h>
+#include <texteditor/textindenter.h>
 #include <texteditor/texteditorsettings.h>
 
 #include <clang/Format/Format.h>
@@ -81,6 +83,8 @@ class ClangFormatStyleFactory : public CppEditor::CppCodeStylePreferencesFactory
 public:
     TextEditor::Indenter *createIndenter(QTextDocument *doc) const override
     {
+        if (ClangFormatSettings::instance().mode() == ClangFormatSettings::Disable)
+            return CppEditor::CppCodeStylePreferencesFactory::createIndenter(doc);
         return new ClangFormatIndenter(doc);
     }
 
diff --git a/src/plugins/clangformat/clangformatsettings.cpp b/src/plugins/clangformat/clangformatsettings.cpp
index 8f70130ae3..66c2076003 100644
--- a/src/plugins/clangformat/clangformatsettings.cpp
+++ b/src/plugins/clangformat/clangformatsettings.cpp
@@ -40,14 +40,11 @@ ClangFormatSettings::ClangFormatSettings()
 {
     QSettings *settings = Core::ICore::settings();
     settings->beginGroup(QLatin1String(Constants::SETTINGS_ID));
-    m_formatCodeInsteadOfIndent
-        = settings->value(QLatin1String(Constants::FORMAT_CODE_INSTEAD_OF_INDENT_ID), false).toBool();
-    m_formatWhileTyping = settings->value(QLatin1String(Constants::FORMAT_WHILE_TYPING_ID), false)
-                              .toBool();
-    m_formatOnSave = settings->value(QLatin1String(Constants::FORMAT_CODE_ON_SAVE_ID), false)
-                         .toBool();
     m_overrideDefaultFile = settings->value(QLatin1String(Constants::OVERRIDE_FILE_ID), false)
                                 .toBool();
+    m_mode = static_cast<ClangFormatSettings::Mode>(
+        settings->value(QLatin1String(Constants::MODE_ID), ClangFormatSettings::Mode::Indenting)
+            .toInt());
     settings->endGroup();
 }
 
@@ -55,52 +52,29 @@ void ClangFormatSettings::write() const
 {
     QSettings *settings = Core::ICore::settings();
     settings->beginGroup(QLatin1String(Constants::SETTINGS_ID));
-    settings->setValue(QLatin1String(Constants::FORMAT_CODE_INSTEAD_OF_INDENT_ID),
-                       m_formatCodeInsteadOfIndent);
-    settings->setValue(QLatin1String(Constants::FORMAT_WHILE_TYPING_ID), m_formatWhileTyping);
-    settings->setValue(QLatin1String(Constants::FORMAT_CODE_ON_SAVE_ID), m_formatOnSave);
     settings->setValue(QLatin1String(Constants::OVERRIDE_FILE_ID), m_overrideDefaultFile);
+    settings->setValue(QLatin1String(Constants::MODE_ID), static_cast<int>(m_mode));
     settings->endGroup();
 }
 
-void ClangFormatSettings::setFormatCodeInsteadOfIndent(bool enable)
-{
-    m_formatCodeInsteadOfIndent = enable;
-}
-
-bool ClangFormatSettings::formatCodeInsteadOfIndent() const
-{
-    return m_formatCodeInsteadOfIndent;
-}
-
-void ClangFormatSettings::setFormatWhileTyping(bool enable)
-{
-    m_formatWhileTyping = enable;
-}
-
-bool ClangFormatSettings::formatWhileTyping() const
-{
-    return m_formatWhileTyping;
-}
-
-void ClangFormatSettings::setFormatOnSave(bool enable)
+void ClangFormatSettings::setOverrideDefaultFile(bool enable)
 {
-    m_formatOnSave = enable;
+    m_overrideDefaultFile = enable;
 }
 
-bool ClangFormatSettings::formatOnSave() const
+bool ClangFormatSettings::overrideDefaultFile() const
 {
-    return m_formatOnSave;
+    return m_overrideDefaultFile;
 }
 
-void ClangFormatSettings::setOverrideDefaultFile(bool enable)
+void ClangFormatSettings::setMode(Mode mode)
 {
-    m_overrideDefaultFile = enable;
+    m_mode = mode;
 }
 
-bool ClangFormatSettings::overrideDefaultFile() const
+ClangFormatSettings::Mode ClangFormatSettings::mode() const
 {
-    return m_overrideDefaultFile;
+    return m_mode;
 }
 
 } // namespace ClangFormat
diff --git a/src/plugins/clangformat/clangformatsettings.h b/src/plugins/clangformat/clangformatsettings.h
index 9344cf34a9..88b37d393e 100644
--- a/src/plugins/clangformat/clangformatsettings.h
+++ b/src/plugins/clangformat/clangformatsettings.h
@@ -37,22 +37,21 @@ public:
     ClangFormatSettings();
     void write() const;
 
-    void setFormatCodeInsteadOfIndent(bool enable);
-    bool formatCodeInsteadOfIndent() const;
+    void setOverrideDefaultFile(bool enable);
+    bool overrideDefaultFile() const;
 
-    void setFormatWhileTyping(bool enable);
-    bool formatWhileTyping() const;
+    enum Mode {
+        Indenting = 0,
+        Formatting,
+        Disable
+    };
 
-    void setFormatOnSave(bool enable);
-    bool formatOnSave() const;
+    void setMode(Mode mode);
+    Mode mode() const;
 
-    void setOverrideDefaultFile(bool enable);
-    bool overrideDefaultFile() const;
 private:
-    bool m_formatCodeInsteadOfIndent = false;
-    bool m_formatWhileTyping = false;
-    bool m_formatOnSave = false;
     bool m_overrideDefaultFile = false;
+    Mode m_mode;
 };
 
 } // namespace ClangFormat