TextEditor: Use new setup pattern for the finders

The FindInFiles definition cannot go yet to the .cpp yet as there
are some exported functions.

Change-Id: I2d2f02ae80b560e3147f461fcbee0fa62b8085a3
Reviewed-by: David Schulz <david.schulz@qt.io>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>

src/plugins/texteditor/findincurrentfile.cpp

@@ -3,6 +3,7 @@
 
 #include "findincurrentfile.h"
 
+#include "basefilefind.h"
 #include "textdocument.h"
 #include "texteditortr.h"
 
@@ -11,10 +12,33 @@
 
 #include <utils/qtcsettings.h>
 
+#include <QPointer>
+
 using namespace Utils;
 
 namespace TextEditor::Internal {
 
+class FindInCurrentFile final : public BaseFileFind
+{
+public:
+    FindInCurrentFile();
+
+private:
+    QString id() const final;
+    QString displayName() const final;
+    bool isEnabled() const final;
+    void writeSettings(Utils::QtcSettings *settings) final;
+    void readSettings(Utils::QtcSettings *settings) final;
+
+    QString label() const final;
+    QString toolTip() const final;
+
+    FileContainerProvider fileContainerProvider() const final;
+    void handleFileChange(Core::IEditor *editor);
+
+    QPointer<Core::IDocument> m_currentDocument;
+};
+
 FindInCurrentFile::FindInCurrentFile()
 {
     connect(Core::EditorManager::instance(), &Core::EditorManager::currentEditorChanged,
@@ -87,4 +111,9 @@ void FindInCurrentFile::readSettings(QtcSettings *settings)
     settings->endGroup();
 }
 
+void setupFindInCurrentFile()
+{
+    static FindInCurrentFile theFindInCurrentFile;
+}
+
 } // TextEditor::Internal

src/plugins/texteditor/findincurrentfile.h

@@ -3,41 +3,8 @@
 
 #pragma once
 
-#include "basefilefind.h"
+namespace TextEditor::Internal {
 
-#include <QPointer>
+void setupFindInCurrentFile();
 
-namespace Core {
-class IEditor;
-class IDocument;
-} // namespace Core
-
-namespace TextEditor {
-namespace Internal {
-
-class FindInCurrentFile final : public BaseFileFind
-{
-    Q_OBJECT
-
-public:
-    FindInCurrentFile();
-
-    QString id() const override;
-    QString displayName() const override;
-    bool isEnabled() const override;
-    void writeSettings(Utils::QtcSettings *settings) override;
-    void readSettings(Utils::QtcSettings *settings) override;
-
-protected:
-    QString label() const override;
-    QString toolTip() const override;
-
-private:
-    FileContainerProvider fileContainerProvider() const override;
-    void handleFileChange(Core::IEditor *editor);
-
-    QPointer<Core::IDocument> m_currentDocument;
-};
-
-} // namespace Internal
-} // namespace TextEditor
+} // TextEditor::Internal

src/plugins/texteditor/findinfiles.cpp

@@ -23,12 +23,10 @@ using namespace Utils;
 
 namespace TextEditor {
 
-static FindInFiles *m_instance = nullptr;
 static const char HistoryKey[] = "FindInFiles.Directories.History";
 
 FindInFiles::FindInFiles()
 {
-    m_instance = this;
     connect(EditorManager::instance(), &EditorManager::findOnFileSystemRequest,
             this, &FindInFiles::findOnFileSystem);
 }
@@ -209,18 +207,30 @@ void FindInFiles::setBaseDirectory(const FilePath &directory)
     m_directory->setBaseDirectory(directory);
 }
 
+static FindInFiles *s_instance;
+
+FindInFiles &findInFiles()
+{
+    return *s_instance;
+}
+
 void FindInFiles::findOnFileSystem(const QString &path)
 {
-    QTC_ASSERT(m_instance, return);
     const QFileInfo fi(path);
     const QString folder = fi.isDir() ? fi.absoluteFilePath() : fi.absolutePath();
-    m_instance->setSearchDir(FilePath::fromString(folder));
-    Find::openFindDialog(m_instance);
+    findInFiles().setSearchDir(FilePath::fromString(folder));
+    Find::openFindDialog(&findInFiles());
 }
 
 FindInFiles *FindInFiles::instance()
 {
-    return m_instance;
+    return s_instance;
+}
+
+void Internal::setupFindInFiles(QObject *guard)
+{
+    s_instance = new FindInFiles;
+    s_instance->setParent(guard);
 }
 
 } // TextEditor

src/plugins/texteditor/findinfiles.h

@@ -58,4 +58,6 @@ private:
     bool m_isValid = false;
 };
 
+namespace Internal { void setupFindInFiles(QObject *guard); }
+
 } // namespace TextEditor

src/plugins/texteditor/findinopenfiles.cpp

@@ -3,6 +3,7 @@
 
 #include "findinopenfiles.h"
 
+#include "basefilefind.h"
 #include "textdocument.h"
 #include "texteditortr.h"
 
@@ -15,6 +16,25 @@ using namespace Utils;
 
 namespace TextEditor::Internal {
 
+class FindInOpenFiles : public BaseFileFind
+{
+public:
+    FindInOpenFiles();
+
+private:
+    QString id() const final;
+    QString displayName() const final;
+    bool isEnabled() const final;
+    void writeSettings(Utils::QtcSettings *settings) final;
+    void readSettings(Utils::QtcSettings *settings) final;
+
+    QString label() const final;
+    QString toolTip() const final;
+
+    FileContainerProvider fileContainerProvider() const final;
+    void updateEnabledState() { emit enabledChanged(isEnabled()); }
+};
+
 FindInOpenFiles::FindInOpenFiles()
 {
     connect(Core::EditorManager::instance(), &Core::EditorManager::editorOpened,
@@ -84,9 +104,11 @@ void FindInOpenFiles::readSettings(QtcSettings *settings)
     settings->endGroup();
 }
 
-void FindInOpenFiles::updateEnabledState()
+
+
+void setupFindInOpenFiles()
 {
-    emit enabledChanged(isEnabled());
+    static FindInOpenFiles theFindInOpenFiles;
 }
 
 } // TextEditor::Internal

src/plugins/texteditor/findinopenfiles.h

@@ -3,32 +3,8 @@
 
 #pragma once
 
-#include "basefilefind.h"
+namespace TextEditor::Internal {
 
-namespace TextEditor {
-namespace Internal {
+void setupFindInOpenFiles();
 
-class FindInOpenFiles : public BaseFileFind
-{
-    Q_OBJECT
-
-public:
-    FindInOpenFiles();
-
-    QString id() const override;
-    QString displayName() const override;
-    bool isEnabled() const override;
-    void writeSettings(Utils::QtcSettings *settings) override;
-    void readSettings(Utils::QtcSettings *settings) override;
-
-protected:
-    QString label() const override;
-    QString toolTip() const override;
-
-private:
-    FileContainerProvider fileContainerProvider() const override;
-    void updateEnabledState();
-};
-
-} // namespace Internal
-} // namespace TextEditor
+} // TextEditor::Internal

src/plugins/texteditor/texteditorplugin.cpp

@@ -67,10 +67,6 @@ const char kCurrentDocumentWordUnderCursor[] = "CurrentDocument:WordUnderCursor"
 class TextEditorPluginPrivate : public QObject
 {
 public:
-    FindInFiles findInFilesFilter;
-    FindInCurrentFile findInCurrentFileFilter;
-    FindInOpenFiles findInOpenFilesFilter;
-
     MarkdownEditorFactory markdownEditorFactory;
     JsonEditorFactory jsonEditorFactory;
 };
@@ -122,6 +118,10 @@ void TextEditorPlugin::initialize()
     setupBookmarkView();
     setupBookmarkFilter();
 
+    setupFindInFiles(this);
+    setupFindInCurrentFile();
+    setupFindInOpenFiles();
+
     d = new TextEditorPluginPrivate;
 
     Context context(TextEditor::Constants::C_TEXTEDITOR);