Add method to push messages to layout designer status bar

qgis · Oct 6, 2017 · b9ecb4f · b9ecb4f
1 parent fac2d7f
commit b9ecb4f
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Showing 5 changed files with 44 additions and 0 deletions.
diff --git a/python/gui/layout/qgslayoutview.sip b/python/gui/layout/qgslayoutview.sip
@@ -179,6 +179,14 @@ class QgsLayoutView: QGraphicsView
  i.e. QGraphicsView.fitInView().
 %End
 
+    void pushStatusMessage( const QString &message );
+%Docstring
+ Pushes a new status bar ``message`` to the view. This causes statusMessage()
+ to be emitted, which should cause the message to appear in the status bar
+ for the parent window.
+.. seealso:: statusMessage()
+%End
+
   signals:
 
     void layoutSet( QgsLayout *layout );
@@ -212,6 +220,13 @@ class QgsLayoutView: QGraphicsView
  considers the page at the center of the view as the current visible
  page.
 .. seealso:: currentPage()
+%End
+
+    void statusMessage( const QString &message );
+%Docstring
+ Emitted when the view has a ``message`` for display in a parent window's
+ status bar.
+.. seealso:: pushStatusMessage()
 %End
 
   protected:

diff --git a/src/app/layout/qgslayoutdesignerdialog.cpp b/src/app/layout/qgslayoutdesignerdialog.cpp
@@ -312,6 +312,9 @@ QgsLayoutDesignerDialog::QgsLayoutDesignerDialog( QWidget *parent, Qt::WindowFla
   tabifyDockWidget( mGeneralDock, mItemDock );
 
   restoreWindowState();
+
+  //listen out to status bar updates from the view
+  connect( mView, &QgsLayoutView::statusMessage, this, &QgsLayoutDesignerDialog::statusMessageReceived );
 }
 
 QgsAppLayoutDesignerInterface *QgsLayoutDesignerDialog::iface()
@@ -652,6 +655,11 @@ void QgsLayoutDesignerDialog::addPages()
   }
 }
 
+void QgsLayoutDesignerDialog::statusMessageReceived( const QString &message )
+{
+  mStatusBar->showMessage( message );
+}
+
 QgsLayoutView *QgsLayoutDesignerDialog::view()
 {
   return mView;

diff --git a/src/app/layout/qgslayoutdesignerdialog.h b/src/app/layout/qgslayoutdesignerdialog.h
@@ -163,6 +163,7 @@ class QgsLayoutDesignerDialog: public QMainWindow, private Ui::QgsLayoutDesigner
     void toggleFullScreen( bool enabled );
 
     void addPages();
+    void statusMessageReceived( const QString &message );
 
   private:
 

diff --git a/src/gui/layout/qgslayoutview.cpp b/src/gui/layout/qgslayoutview.cpp
@@ -445,6 +445,11 @@ void QgsLayoutView::viewChanged()
   }
 }
 
+void QgsLayoutView::pushStatusMessage( const QString &message )
+{
+  emit statusMessage( message );
+}
+
 void QgsLayoutView::wheelZoom( QWheelEvent *event )
 {
   //get mouse wheel zoom behavior settings

diff --git a/src/gui/layout/qgslayoutview.h b/src/gui/layout/qgslayoutview.h
@@ -218,6 +218,14 @@ class GUI_EXPORT QgsLayoutView: public QGraphicsView
      */
     void viewChanged();
 
+    /**
+     * Pushes a new status bar \a message to the view. This causes statusMessage()
+     * to be emitted, which should cause the message to appear in the status bar
+     * for the parent window.
+     * \see statusMessage()
+     */
+    void pushStatusMessage( const QString &message );
+
   signals:
 
     /**
@@ -253,6 +261,13 @@ class GUI_EXPORT QgsLayoutView: public QGraphicsView
      */
     void pageChanged( int page );
 
+    /**
+     * Emitted when the view has a \a message for display in a parent window's
+     * status bar.
+     * \see pushStatusMessage()
+     */
+    void statusMessage( const QString &message );
+
   protected:
     void mousePressEvent( QMouseEvent *event ) override;
     void mouseReleaseEvent( QMouseEvent *event ) override;