QgsShortcutsManager is no longer a singleton

Move the global instance to QgsGui::shortcutsManager()

Author: nyalldawson

doc/api_break.dox

@@ -1910,6 +1910,10 @@ QgsServer       {#qgis_api_break_3_0_QgsServer}
 -  QgsServer::handleRequest( const QString &urlstr ) has been removed in favour of the new
 -  QgsServer::handleRequest( QgsServerRequest &request, QgsServerResponse &response ) has been added
 
+QgsShortcutsManager       {#qgis_api_break_3_0_QgsShortcutsManager}
+-------------------
+
+-  QgsShortcutsManager::instance() was removed. Use QgsGui::shortcutsManager() instead.
 
 
 QgsSimpleMarkerSymbolLayer        {#qgis_api_break_3_0_QgsSimpleMarkerSymbolLayer}

python/gui/qgsgui.sip

@@ -34,10 +34,15 @@ class QgsGui
     static QgsEditorWidgetRegistry *editorWidgetRegistry();
 %Docstring
  Returns the global editor widget registry, used for managing all known edit widget factories.
-.. versionadded:: 3.0
  :rtype: QgsEditorWidgetRegistry
 %End
 
+    static QgsShortcutsManager *shortcutsManager();
+%Docstring
+ Returns the global shortcuts manager, used for managing a QAction and QShortcut sequences.
+ :rtype: QgsShortcutsManager
+%End
+
     ~QgsGui();
 
   private:

python/gui/qgsshortcutsmanager.sip

@@ -13,9 +13,6 @@ class QgsShortcutsManager: QObject
 
   public:
 
-    //! Return the singleton instance of the manager.
-    static QgsShortcutsManager *instance();
-
     /** Constructor for QgsShortcutsManager.
      * @param parent parent object
      * @param settingsRoot root QgsSettings path for storing settings, e.g., "/myplugin/shortcuts". Leave

src/app/qgisapp.cpp

@@ -1160,7 +1160,7 @@ QgisApp::QgisApp( QSplashScreen *splash, bool restorePlugins, bool skipVersionCh
 #endif
 
   // supposedly all actions have been added, now register them to the shortcut manager
-  QgsShortcutsManager::instance()->registerAllChildren( this );
+  QgsGui::shortcutsManager()->registerAllChildren( this );
 
   QgsProviderRegistry::instance()->registerGuis( this );
 

src/app/qgisappinterface.cpp

@@ -31,6 +31,7 @@
 #include "qgsapplayertreeviewmenuprovider.h"
 #include "qgscomposer.h"
 #include "qgscomposerview.h"
+#include "qgsgui.h"
 #include "qgsmaplayer.h"
 #include "qgsmaptooladvanceddigitizing.h"
 #include "qgsmapcanvas.h"
@@ -491,12 +492,12 @@ void QgisAppInterface::removeWindow( QAction *action )
 
 bool QgisAppInterface::registerMainWindowAction( QAction *action, const QString &defaultShortcut )
 {
-  return QgsShortcutsManager::instance()->registerAction( action, defaultShortcut );
+  return QgsGui::shortcutsManager()->registerAction( action, defaultShortcut );
 }
 
 bool QgisAppInterface::unregisterMainWindowAction( QAction *action )
 {
-  return QgsShortcutsManager::instance()->unregisterAction( action );
+  return QgsGui::shortcutsManager()->unregisterAction( action );
 }
 
 void QgisAppInterface::registerMapLayerConfigWidgetFactory( QgsMapLayerConfigWidgetFactory *factory )

src/gui/qgsconfigureshortcutsdialog.cpp

@@ -18,6 +18,7 @@
 #include "qgsshortcutsmanager.h"
 #include "qgslogger.h"
 #include "qgssettings.h"
+#include "qgsgui.h"
 
 #include <QKeyEvent>
 #include <QKeySequence>
@@ -38,7 +39,7 @@ QgsConfigureShortcutsDialog::QgsConfigureShortcutsDialog( QWidget *parent, QgsSh
   setupUi( this );
 
   if ( !mManager )
-    mManager = QgsShortcutsManager::instance();
+    mManager = QgsGui::shortcutsManager();
 
   connect( btnChangeShortcut, &QAbstractButton::clicked, this, &QgsConfigureShortcutsDialog::changeShortcut );
   connect( btnResetShortcut, &QAbstractButton::clicked, this, &QgsConfigureShortcutsDialog::resetShortcut );

src/gui/qgsgui.cpp

@@ -17,6 +17,7 @@
 
 #include "qgsgui.h"
 #include "qgseditorwidgetregistry.h"
+#include "qgsshortcutsmanager.h"
 
 QgsGui *QgsGui::instance()
 {
@@ -29,12 +30,19 @@ QgsEditorWidgetRegistry *QgsGui::editorWidgetRegistry()
   return instance()->mEditorWidgetRegistry;
 }
 
+QgsShortcutsManager *QgsGui::shortcutsManager()
+{
+  return instance()->mShortcutsManager;
+}
+
 QgsGui::~QgsGui()
 {
   delete mEditorWidgetRegistry;
+  delete mShortcutsManager;
 }
 
 QgsGui::QgsGui()
 {
   mEditorWidgetRegistry = new QgsEditorWidgetRegistry();
+  mShortcutsManager = new QgsShortcutsManager();
 }

src/gui/qgsgui.h

@@ -21,6 +21,7 @@
 #include "qgis_gui.h"
 
 class QgsEditorWidgetRegistry;
+class QgsShortcutsManager;
 
 /**
  * \ingroup gui
@@ -45,17 +46,22 @@ class GUI_EXPORT QgsGui
 
     /**
      * Returns the global editor widget registry, used for managing all known edit widget factories.
-     * \since QGIS 3.0
      */
     static QgsEditorWidgetRegistry *editorWidgetRegistry();
 
+    /**
+     * Returns the global shortcuts manager, used for managing a QAction and QShortcut sequences.
+     */
+    static QgsShortcutsManager *shortcutsManager();
+
     ~QgsGui();
 
   private:
 
     QgsGui();
 
     QgsEditorWidgetRegistry *mEditorWidgetRegistry = nullptr;
+    QgsShortcutsManager *mShortcutsManager = nullptr;
 
 #ifdef SIP_RUN
     QgsGui( const QgsGui &other );

src/gui/qgsshortcutsmanager.cpp

@@ -19,16 +19,6 @@
 
 #include <QShortcut>
 
-QgsShortcutsManager *QgsShortcutsManager::sInstance = nullptr;
-
-
-QgsShortcutsManager *QgsShortcutsManager::instance()
-{
-  if ( !sInstance )
-    sInstance = new QgsShortcutsManager( nullptr );
-  return sInstance;
-}
-
 QgsShortcutsManager::QgsShortcutsManager( QObject *parent, const QString &settingsRoot )
   : QObject( parent )
   , mSettingsPath( settingsRoot )

src/gui/qgsshortcutsmanager.h

@@ -26,7 +26,10 @@ class QShortcut;
 /** \ingroup gui
  * \class QgsShortcutsManager
  * Shortcuts manager is a class that contains a list of QActions and QShortcuts
-  that have been registered and their shortcuts can be changed.
+ * that have been registered and their shortcuts can be changed.
+ *
+ * QgsShortcutsManager is not usually directly created, but rather accessed through
+ * QgsGui::shortcutsManager().
  * \since QGIS 2.16
  */
 class GUI_EXPORT QgsShortcutsManager : public QObject
@@ -35,9 +38,6 @@ class GUI_EXPORT QgsShortcutsManager : public QObject
 
   public:
 
-    //! Return the singleton instance of the manager.
-    static QgsShortcutsManager *instance();
-
     /** Constructor for QgsShortcutsManager.
      * \param parent parent object
      * \param settingsRoot root QgsSettings path for storing settings, e.g., "/myplugin/shortcuts". Leave
@@ -230,7 +230,6 @@ class GUI_EXPORT QgsShortcutsManager : public QObject
     ActionsHash mActions;
     ShortcutsHash mShortcuts;
     QString mSettingsPath;
-    static QgsShortcutsManager *sInstance;
 
     /**
      * Updates the action to include the shortcut keys. Shortcut keys are