QtSupport: Remove {Designer,Linguist}ExternalEditorFactory classes

... again, use the editors themselves, which are singletons.

Change-Id: I8ec7bce58414a23169831956c00bbdd73c6bfec3
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/plugins/qtsupport/externaleditors.cpp

@@ -3,8 +3,6 @@
 
 #include "externaleditors.h"
 
-#include <coreplugin/editormanager/iexternaleditor.h>
-
 #include <projectexplorer/project.h>
 #include <projectexplorer/projectexplorer.h>
 #include <projectexplorer/projectexplorerconstants.h>
@@ -37,14 +35,10 @@ enum { debug = 0 };
 
 namespace QtSupport::Internal {
 
-struct Tr
-{
+struct Tr {
     Q_DECLARE_TR_FUNCTIONS(::QmakeProjectManager)
 };
 
-const char designerDisplayName[] = QT_TRANSLATE_NOOP("OpenWith::Editors", "Qt Designer");
-const char linguistDisplayName[] = QT_TRANSLATE_NOOP("OpenWith::Editors", "Qt Linguist");
-
 static QString msgStartFailed(const QString &binary, QStringList arguments)
 {
     arguments.push_front(binary);
@@ -160,28 +154,12 @@ static bool startEditorProcess(const LaunchData &data, QString *errorMessage)
 
 // DesignerExternalEditor with Designer Tcp remote control.
 
-class DesignerExternalEditor : public Core::IExternalEditor
-{
-public:
-    DesignerExternalEditor()
-    {
-        setId("Qt.Designer");
-        setDisplayName(designerDisplayName);
-        setMimeTypes({ProjectExplorer::Constants::FORM_MIMETYPE});
-    }
-
-    bool startEditor(const FilePath &filePath, QString *errorMessage) override;
-
-private:
-    void processTerminated(const QString &binary);
-
 // A per-binary entry containing the socket
 using ProcessCache = QMap<QString, QTcpSocket*>;
 
-    ProcessCache m_processCache;
-};
+static ProcessCache m_processCache;
 
-void DesignerExternalEditor::processTerminated(const QString &binary)
+static void processTerminated(const QString &binary)
 {
     const ProcessCache::iterator it = m_processCache.find(binary);
     if (it == m_processCache.end())
@@ -196,6 +174,13 @@ void DesignerExternalEditor::processTerminated(const QString &binary)
     socket->deleteLater();
 }
 
+DesignerExternalEditor::DesignerExternalEditor()
+{
+    setId("Qt.Designer");
+    setDisplayName(QT_TRANSLATE_NOOP("OpenWith::Editors", "Qt Designer"));
+    setMimeTypes({ProjectExplorer::Constants::FORM_MIMETYPE});
+}
+
 bool DesignerExternalEditor::startEditor(const FilePath &filePath, QString *errorMessage)
 {
     LaunchData data;
@@ -246,19 +231,13 @@ bool DesignerExternalEditor::startEditor(const FilePath &filePath, QString *erro
         socket->setParent(this);
         const QString binary = data.binary;
         m_processCache.insert(binary, socket);
-        auto mapSlot = [this, binary] { processTerminated(binary); };
+        auto mapSlot = [binary] { processTerminated(binary); };
         connect(socket, &QAbstractSocket::disconnected, this, mapSlot);
         connect(socket, &QAbstractSocket::errorOccurred, this, mapSlot);
     }
     return true;
 }
 
-DesignerEditorFactory::DesignerEditorFactory()
-{
-    auto editor = new DesignerExternalEditor;
-    editor->setParent(this);
-}
-
 // Linguist
 
 static QString linguistBinary(const QtSupport::QtVersion *qtVersion)
@@ -268,28 +247,18 @@ static QString linguistBinary(const QtSupport::QtVersion *qtVersion)
     return QLatin1String(HostOsInfo::isMacHost() ? "Linguist" : "linguist");
 }
 
-class LinguistEditor : public Core::IExternalEditor
-{
-public:
-    LinguistEditor()
+LinguistEditor::LinguistEditor()
 {
     setId("Qt.Linguist");
-        setDisplayName(linguistDisplayName);
+    setDisplayName(QT_TRANSLATE_NOOP("OpenWith::Editors", "Qt Linguist"));
     setMimeTypes({ProjectExplorer::Constants::LINGUIST_MIMETYPE});
 }
 
-    bool startEditor(const FilePath &filePath, QString *errorMessage) override
+bool LinguistEditor::startEditor(const Utils::FilePath &filePath, QString *errorMessage)
 {
     LaunchData data;
     return getEditorLaunchData(linguistBinary, filePath, &data, errorMessage)
            && startEditorProcess(data, errorMessage);
 }
-};
-
-LinguistEditorFactory::LinguistEditorFactory()
-{
-    auto editor = new LinguistEditor;
-    editor->setParent(this);
-}
 
 } // QtSupport::Internal

src/plugins/qtsupport/externaleditors.h

@@ -3,20 +3,24 @@
 
 #pragma once
 
-#include <QObject>
+#include <coreplugin/editormanager/iexternaleditor.h>
 
 namespace QtSupport::Internal {
 
-class DesignerEditorFactory : public QObject
+class DesignerExternalEditor : public Core::IExternalEditor
 {
 public:
-    DesignerEditorFactory();
+    DesignerExternalEditor();
+
+    bool startEditor(const Utils::FilePath &filePath, QString *errorMessage) final;
 };
 
-class LinguistEditorFactory : public QObject
+class LinguistEditor : public Core::IExternalEditor
 {
 public:
-    LinguistEditorFactory();
+    LinguistEditor();
+
+    bool startEditor(const Utils::FilePath &filePath, QString *errorMessage) final;
 };
 
 } // QtSupport::Internal

src/plugins/qtsupport/qtsupportplugin.cpp

@@ -63,8 +63,8 @@ public:
     UicGeneratorFactory uicGeneratorFactory;
     QScxmlcGeneratorFactory qscxmlcGeneratorFactory;
 
-    DesignerEditorFactory designerEditorFactory;
-    LinguistEditorFactory linguistEditorFactory;
+    DesignerExternalEditor designerEditor;
+    LinguistEditor linguistEditor;
 };
 
 QtSupportPlugin::~QtSupportPlugin()