Removed stop rendering button, deprecated QgsMapTool::renderComplete

Author: wonder-sk

src/app/qgisapp.cpp

@@ -1630,14 +1630,6 @@ void QgisApp::createStatusBar()
   statusBar()->addPermanentWidget( mScaleEdit, 0 );
   connect( mScaleEdit, SIGNAL( scaleChanged() ), this, SLOT( userScale() ) );
 
-  //stop rendering status bar widget
-  mStopRenderButton = new QToolButton( statusBar() );
-  mStopRenderButton->setObjectName( "mStopRenderButton" );
-  mStopRenderButton->setMaximumWidth( 20 );
-  mStopRenderButton->setMaximumHeight( 20 );
-  mStopRenderButton->setIcon( QgsApplication::getThemeIcon( "mIconStopRendering.png" ) );
-  mStopRenderButton->setToolTip( tr( "Stop map rendering" ) );
-  statusBar()->addPermanentWidget( mStopRenderButton, 0 );
   // render suppression status bar widget
   mRenderSuppressionCBox = new QCheckBox( tr( "Render" ), statusBar() );
   mRenderSuppressionCBox->setObjectName( "mRenderSuppressionCBox" );
@@ -1947,12 +1939,6 @@ void QgisApp::setupConnections()
   connect( this, SIGNAL( projectRead() ),
            this, SLOT( checkForDeprecatedLabelsInProject() ) );
 
-  //
-  // Do we really need this ??? - its already connected to the esc key...TS
-  //
-  connect( mStopRenderButton, SIGNAL( clicked() ),
-           this, SLOT( stopRendering() ) );
-
   // setup undo/redo actions
   connect( mUndoWidget, SIGNAL( undoStackChanged() ), this, SLOT( updateUndoActions() ) );
 }
@@ -4096,17 +4082,7 @@ void QgisApp::removeWindow( QAction *action )
 void QgisApp::stopRendering()
 {
   if ( mMapCanvas )
-  {
-    QgsMapRenderer* mypMapRenderer = mMapCanvas->mapRenderer();
-    if ( mypMapRenderer )
-    {
-      QgsRenderContext* mypRenderContext = mypMapRenderer->rendererContext();
-      if ( mypRenderContext )
-      {
-        mypRenderContext->setRenderingStopped( true );
-      }
-    }
-  }
+    mMapCanvas->stopRendering();
 }
 
 //reimplements method from base (gui) class

src/app/qgisapp.h

@@ -1392,8 +1392,6 @@ class APP_EXPORT QgisApp : public QMainWindow, private Ui::MainWindow
     QCheckBox * mRenderSuppressionCBox;
     //! A toggle to switch between mouse coords and view extents display
     QToolButton * mToggleExtentsViewButton;
-    //! Button used to stop rendering
-    QToolButton* mStopRenderButton;
     //! Widget in status bar used to show current project CRS
     QLabel * mOnTheFlyProjectionStatusLabel;
     //! Widget in status bar used to show status of on the fly projection

src/app/qgsmaptoolcapture.cpp

@@ -136,10 +136,6 @@ void QgsMapToolCapture::canvasPressEvent( QMouseEvent *e )
 }
 
 
-void QgsMapToolCapture::renderComplete()
-{
-}
-
 int QgsMapToolCapture::nextPoint( const QPoint &p, QgsPoint &layerPoint, QgsPoint &mapPoint )
 {
   QgsVectorLayer *vlayer = qobject_cast<QgsVectorLayer *>( mCanvas->currentLayer() );

src/app/qgsmaptoolcapture.h

@@ -61,9 +61,6 @@ class APP_EXPORT QgsMapToolCapture : public QgsMapToolEdit
 
     virtual void keyPressEvent( QKeyEvent* e );
 
-    //! Resize rubber band
-    virtual void renderComplete();
-
     //! deactive the tool
     virtual void deactivate();
 

src/browser/qgsbrowser.cpp

@@ -412,20 +412,9 @@ void QgsBrowser::keyReleaseEvent( QKeyEvent * e )
 
 void QgsBrowser::stopRendering()
 {
-  // you might have seen this already in QgisApp
   QgsDebugMsg( "Entered" );
   if ( mapCanvas )
-  {
-    QgsMapRenderer* mypMapRenderer = mapCanvas->mapRenderer();
-    if ( mypMapRenderer )
-    {
-      QgsRenderContext* mypRenderContext = mypMapRenderer->rendererContext();
-      if ( mypRenderContext )
-      {
-        mypRenderContext->setRenderingStopped( true );
-      }
-    }
-  }
+    mapCanvas->stopRendering();
 }
 
 QgsBrowser::Tab QgsBrowser::activeTab()

src/core/qgsmaprenderer.h

@@ -284,10 +284,10 @@ class CORE_EXPORT QgsMapRenderer : public QObject
 
     //! Returns a QPainter::CompositionMode corresponding to a BlendMode
     //! Added in 1.9
-    Q_DECL_DEPRECATED static QPainter::CompositionMode getCompositionMode( const QgsMapRenderer::BlendMode blendMode );
+    static QPainter::CompositionMode getCompositionMode( const QgsMapRenderer::BlendMode blendMode );
     //! Returns a BlendMode corresponding to a QPainter::CompositionMode
     //! Added in 1.9
-    Q_DECL_DEPRECATED static QgsMapRenderer::BlendMode getBlendModeEnum( const QPainter::CompositionMode blendMode );
+    static QgsMapRenderer::BlendMode getBlendModeEnum( const QPainter::CompositionMode blendMode );
 
   signals:
 

src/gui/qgsmapcanvas.cpp

@@ -472,6 +472,15 @@ void QgsMapCanvas::refresh()
 
 } // refresh
 
+void QgsMapCanvas::stopRendering()
+{
+  QgsRenderContext* mypRenderContext = mMapRenderer->rendererContext();
+  if ( mypRenderContext )
+  {
+    mypRenderContext->setRenderingStopped( true );
+  }
+}
+
 void QgsMapCanvas::updateMap()
 {
 }
@@ -1274,19 +1283,13 @@ QGis::UnitType QgsMapCanvas::mapUnits() const
 void QgsMapCanvas::setRenderFlag( bool theFlag )
 {
   mRenderFlag = theFlag;
-  if ( mMapRenderer )
-  {
-    QgsRenderContext* rc = mMapRenderer->rendererContext();
-    if ( rc )
-    {
-      rc->setRenderingStopped( !theFlag );
-    }
-  }
 
   if ( mRenderFlag )
   {
     refresh();
   }
+  else
+    stopRendering();
 }
 
 void QgsMapCanvas::connectNotify( const char * signal )

src/gui/qgsmapcanvas.h

@@ -139,7 +139,7 @@ class GUI_EXPORT QgsMapCanvas : public QGraphicsView
 
     //! Accessor for the canvas paint device
     //! @deprecated since 2.1
-    QPaintDevice &canvasPaintDevice();
+    Q_DECL_DEPRECATED QPaintDevice &canvasPaintDevice();
 
     //! Get the last reported scale of the canvas
     double scale();
@@ -314,6 +314,10 @@ class GUI_EXPORT QgsMapCanvas : public QGraphicsView
     //! @deprecated in 2.1 - does nothing - kept for API compatibility
     Q_DECL_DEPRECATED void updateMap();
 
+    //! added in 2.1
+    //! @note probably it is not necessary to allow any client to stop rendering - should be handled just be canvas
+    Q_DECL_DEPRECATED void stopRendering();
+
     //! show whatever error is exposed by the QgsMapLayer.
     void showError( QgsMapLayer * mapLayer );
 

src/gui/qgsmapcanvasmap.h

@@ -25,7 +25,6 @@
 
 #include <qgsmaprendererjob.h>
 
-class QgsMapRenderer;
 class QgsMapSettings;
 class QgsMapCanvas;
 

src/gui/qgsmaptool.h

@@ -79,7 +79,8 @@ class GUI_EXPORT QgsMapTool : public QObject
 #endif
 
     //! Called when rendering has finished. Default implementation does nothing.
-    virtual void renderComplete();
+    //! @deprecated since 2.1 - not called anymore - map tools must not directly depend on rendering progress
+    Q_DECL_DEPRECATED virtual void renderComplete();
 
 
     /** Use this to associate a QAction to this maptool. Then when the setMapTool