add registry of settings editors wrappers

src/gui/qgsgui.cpp

@@ -63,6 +63,9 @@
 #include "qgssensorguiregistry.h"
 #include "qgshistoryentry.h"
 
+#include "qgssettingseditorwidgetregistry.h"
+
+
 #include <QPushButton>
 #include <QToolButton>
 
@@ -182,6 +185,11 @@ QgsHistoryProviderRegistry *QgsGui::historyProviderRegistry()
   return instance()->mHistoryProviderRegistry;
 }
 
+QgsSettingsEditorWidgetRegistry *QgsGui::settingsEditorWidgetRegistry()
+{
+  return instance()->mSettingsEditorRegistry;
+}
+
 void QgsGui::enableAutoGeometryRestore( QWidget *widget, const QString &key )
 {
   if ( widget->objectName().isEmpty() )
@@ -238,6 +246,7 @@ QgsGui::~QgsGui()
   delete mRelationEditorRegistry;
   delete mSettingsRegistryGui;
   delete mSensorGuiRegistry;
+  delete mSettingsEditorRegistry;
 }
 
 QColor QgsGui::sampleColor( QPoint point )
@@ -288,6 +297,8 @@ QgsGui::QgsGui()
 
   mSettingsRegistryGui = new QgsSettingsRegistryGui();
 
+  mSettingsEditorRegistry = new QgsSettingsEditorWidgetRegistry();
+
   mCodeEditorColorSchemeRegistry = new QgsCodeEditorColorSchemeRegistry();
 
   // provider gui registry initialize QgsProviderRegistry too

src/gui/qgsgui.h

@@ -48,7 +48,7 @@ class QgsRelationWidgetRegistry;
 class QgsMapToolShapeRegistry;
 class QgsHistoryProviderRegistry;
 class QgsSensorGuiRegistry;
-
+class QgsSettingsEditorWidgetRegistry;
 
 /**
  * \ingroup gui
@@ -213,6 +213,12 @@ class GUI_EXPORT QgsGui : public QObject
      */
     static QgsHistoryProviderRegistry *historyProviderRegistry() SIP_KEEPREFERENCE;
 
+    /**
+     * Returns the registry of settings editors.
+     * \since QGIS 3.32
+     */
+    static QgsSettingsEditorWidgetRegistry *settingsEditorWidgetRegistry() SIP_KEEPREFERENCE;
+
     /**
      * Register the widget to allow its position to be automatically saved and restored when open and closed.
      * Use this to avoid needing to call saveGeometry() and restoreGeometry() on your widget.
@@ -322,6 +328,7 @@ class GUI_EXPORT QgsGui : public QObject
     QgsMapToolShapeRegistry *mShapeMapToolRegistry = nullptr;
     QgsHistoryProviderRegistry *mHistoryProviderRegistry = nullptr;
     QgsSensorGuiRegistry *mSensorGuiRegistry = nullptr;
+    QgsSettingsEditorWidgetRegistry *mSettingsEditorRegistry = nullptr;
     std::unique_ptr< QgsWindowManagerInterface > mWindowManager;
 
 #ifdef SIP_RUN

src/gui/settings/qgssettingseditorwidgetregistry.cpp

@@ -0,0 +1,72 @@
+/***************************************************************************
+    qgssettingsfactoryfactoryregistry.cpp
+    ---------------------
+    begin                : April 2023
+    copyright            : (C) 2023 by Denis Rouzaud
+    email                : [email protected]
+ ***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "qgssettingseditorwidgetregistry.h"
+
+#include "qgslogger.h"
+#include "qgssettingseditorwidgetwrapper.h"
+#include "qgssettingseditorwidgetwrapperimpl.h"
+#include "qgssettingsentry.h"
+
+QgsSettingsEditorWidgetRegistry::QgsSettingsEditorWidgetRegistry()
+{
+  addWrapper( new QgsSettingsStringEditorWidgetWrapper() );
+  addWrapper( new QgsSettingsBoolEditorWidgetWrapper() );
+  addWrapper( new QgsSettingsIntegerEditorWidgetWrapper() );
+  addWrapper( new QgsSettingsDoubleEditorWidgetWrapper() );
+  addWrapper( new QgsSettingsColorEditorWidgetWrapper() );
+
+}
+
+QgsSettingsEditorWidgetRegistry::~QgsSettingsEditorWidgetRegistry()
+{
+  qDeleteAll( mWrappers );
+}
+
+bool QgsSettingsEditorWidgetRegistry::addWrapper( QgsSettingsEditorWidgetWrapper *wrapper )
+{
+  if ( mWrappers.contains( wrapper->id() ) )
+    return false;
+
+  mWrappers.insert( wrapper->id(), wrapper );
+  return true;
+}
+
+QgsSettingsEditorWidgetWrapper *QgsSettingsEditorWidgetRegistry::createWrapper( const QString &id, QObject *parent ) const
+{
+  QgsSettingsEditorWidgetWrapper *wrapper = mWrappers.value( id );
+  if ( wrapper )
+  {
+    return wrapper->createWrapper( parent );
+  }
+  else
+  {
+    QgsDebugMsg( QStringLiteral( "Setting factory was not found for '%1', returning the default string factory" ).arg( id ) );
+    return nullptr;
+  }
+}
+
+QWidget *QgsSettingsEditorWidgetRegistry::createEditor( const QgsSettingsEntryBase *setting, const QStringList &dynamicKeyPartList, QWidget *parent ) const
+{
+  QgsSettingsEditorWidgetWrapper *eww = createWrapper( setting->typeId(), parent );
+  if ( eww )
+    return eww->createEditor( setting, dynamicKeyPartList, parent );
+  else
+    return nullptr;
+}
+
+
+
+

src/gui/settings/qgssettingseditorwidgetregistry.h

@@ -0,0 +1,62 @@
+/***************************************************************************
+    qgssettingseditorwidgetregistry.h
+    ---------------------
+    begin                : April 2023
+    copyright            : (C) 2023 by Denis Rouzaud
+    email                : [email protected]
+ ***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#ifndef QGSSETTINGSEDITORREGISTRY_H
+#define QGSSETTINGSEDITORREGISTRY_H
+
+#include <QObject>
+#include <QMap>
+
+#include "qgis_gui.h"
+#include "qgis_sip.h"
+
+class QWidget;
+class QgsSettingsEntryBase;
+class QgsSettingsEditorWidgetWrapper;
+
+/**
+ * \ingroup gui
+ * \brief This class manages editors for settings
+ *
+ * \since QGIS 3.32
+ */
+class GUI_EXPORT QgsSettingsEditorWidgetRegistry
+{
+  public:
+    //! Constructor
+    QgsSettingsEditorWidgetRegistry();
+    ~QgsSettingsEditorWidgetRegistry();
+
+    /**
+     * Adds a editor to the registry
+     * Returns FALSE if a editor with same id already exists.
+     */
+    bool addWrapper( QgsSettingsEditorWidgetWrapper *wrapper SIP_TRANSFER );
+
+    //! Returns a new instance of the editor for the given id
+    QgsSettingsEditorWidgetWrapper *createWrapper( const QString &id, QObject *parent ) const;
+
+    //! Creates the editor for the given settings using the corresponding registered wrapper
+    QWidget *createEditor( const QgsSettingsEntryBase *setting, const QStringList &dynamicKeyPartList, QWidget *parent = nullptr ) const SIP_FACTORY;
+
+    //! Returns a map <name, id> of all registered editors.
+    QMap<QString, QString> editorNames() const;
+
+
+  private:
+    QMap<QString, QgsSettingsEditorWidgetWrapper *> mWrappers;
+};
+
+#endif // QGSSETTINGSEDITORREGISTRY_H