Link the application browser dock to the application message bar

python/gui/auto_generated/qgsbrowserdockwidget.sip.in

@@ -34,6 +34,26 @@ Constructor for QgsBrowserDockWidget
     void addFavoriteDirectory( const QString &favDir, const QString &name = QString() );
 %Docstring
 Add directory to favorites
+%End
+
+    void setMessageBar( QgsMessageBar *bar );
+%Docstring
+Sets a message ``bar`` to use alongside the dock widget. Setting this allows items
+to utilise the message bar to provide non-blocking feedback to users, e.g.
+success or failure of actions.
+
+.. seealso:: :py:func:`messageBar`
+
+.. versionadded:: 3.6
+%End
+
+    QgsMessageBar *messageBar();
+%Docstring
+Returns the message bar associated with the dock.
+
+.. seealso:: :py:func:`setMessageBar`
+
+.. versionadded:: 3.6
 %End
 
   public slots:

src/app/qgisapp.cpp

@@ -1020,6 +1020,7 @@ QgisApp::QgisApp( QSplashScreen *splash, bool restorePlugins, bool skipVersionCh
   mBrowserModel = new QgsBrowserModel( this );
   mBrowserWidget = new QgsBrowserDockWidget( tr( "Browser" ), mBrowserModel, this );
   mBrowserWidget->setObjectName( QStringLiteral( "Browser" ) );
+  mBrowserWidget->setMessageBar( mInfoBar );
 
   QShortcut *showBrowserDock = new QShortcut( QKeySequence( tr( "Ctrl+2" ) ), this );
   connect( showBrowserDock, &QShortcut::activated, mBrowserWidget, &QgsDockWidget::toggleUserVisible );

src/gui/qgsbrowserdockwidget.cpp

@@ -339,6 +339,7 @@ void QgsBrowserDockWidget::showContextMenu( QPoint pt )
   }
 
   QgsDataItemGuiContext context;
+  context.setMessageBar( mMessageBar );
 
   const QList< QgsDataItemGuiProvider * > providers = QgsGui::instance()->dataItemGuiProviderRegistry()->providers();
   for ( QgsDataItemGuiProvider *provider : providers )
@@ -383,6 +384,16 @@ void QgsBrowserDockWidget::addFavoriteDirectory( const QString &favDir, const QS
   mModel->addFavoriteDirectory( favDir, name );
 }
 
+void QgsBrowserDockWidget::setMessageBar( QgsMessageBar *bar )
+{
+  mMessageBar = bar;
+}
+
+QgsMessageBar *QgsBrowserDockWidget::messageBar()
+{
+  return mMessageBar;
+}
+
 void QgsBrowserDockWidget::removeFavorite()
 {
   mModel->removeFavorite( mProxyModel->mapToSource( mBrowserView->currentIndex() ) );

src/gui/qgsbrowserdockwidget.h

@@ -33,6 +33,7 @@ class QgsDockBrowserTreeView;
 class QgsLayerItem;
 class QgsDataItem;
 class QgsBrowserProxyModel;
+class QgsMessageBar;
 
 /**
  * \ingroup gui
@@ -55,6 +56,26 @@ class GUI_EXPORT QgsBrowserDockWidget : public QgsDockWidget, private Ui::QgsBro
     //! Add directory to favorites
     void addFavoriteDirectory( const QString &favDir, const QString &name = QString() );
 
+    /**
+     * Sets a message \a bar to use alongside the dock widget. Setting this allows items
+     * to utilise the message bar to provide non-blocking feedback to users, e.g.
+     * success or failure of actions.
+     *
+     * \see messageBar()
+     *
+     * \since QGIS 3.6
+     */
+    void setMessageBar( QgsMessageBar *bar );
+
+    /**
+     * Returns the message bar associated with the dock.
+     *
+     * \see setMessageBar()
+     *
+     * \since QGIS 3.6
+     */
+    QgsMessageBar *messageBar();
+
   public slots:
 
     /**
@@ -144,6 +165,8 @@ class GUI_EXPORT QgsBrowserDockWidget : public QgsDockWidget, private Ui::QgsBro
     // height fraction
     float mPropertiesWidgetHeight;
 
+    QgsMessageBar *mMessageBar = nullptr;
+
 };