Added "preview" dotted circle around eraser tool

src/board/UBBoardView.cpp

@@ -1691,9 +1691,14 @@ void UBBoardView::setToolCursor (int tool)
         controlViewport->setCursor (UBResources::resources ()->penCursor);
         break;
     case UBStylusTool::Eraser:
+        {
         controlViewport->setCursor (UBResources::resources ()->eraserCursor);
-        scene()->hideEraser();
+        UBStylusTool::Enum currentTool = (UBStylusTool::Enum)UBDrawingController::drawingController()->stylusTool();
+        if (currentTool != UBStylusTool::Eraser)
+            // Avoid hiding the eraser after a click with the eraser
+            scene()->hideEraser();
         break;
+        }
     case UBStylusTool::Marker:
         controlViewport->setCursor (UBResources::resources ()->markerCursor);
         break;

src/domain/UBGraphicsScene.cpp

@@ -424,7 +424,7 @@ bool UBGraphicsScene::inputDevicePress(const QPointF& scenePos, const qreal& pre
             eraserWidth /= UBApplication::boardController->currentZoom();
 
             eraseLineTo(scenePos, eraserWidth);
-            drawEraser(scenePos, true);
+            drawEraser(scenePos, mInputDeviceIsPressed);
 
             accepted = true;
         }
@@ -453,7 +453,7 @@ bool UBGraphicsScene::inputDeviceMove(const QPointF& scenePos, const qreal& pres
 
     if (currentTool == UBStylusTool::Eraser)
     {
-        drawEraser(position);
+        drawEraser(position, mInputDeviceIsPressed);
         accepted = true;
     }
 
@@ -541,6 +541,12 @@ bool UBGraphicsScene::inputDeviceRelease()
         accepted = true;
     }
 
+    UBStylusTool::Enum currentTool = (UBStylusTool::Enum)UBDrawingController::drawingController()->stylusTool();
+
+    if (currentTool == UBStylusTool::Eraser)
+        redrawEraser(false);
+
+
     UBDrawingController *dc = UBDrawingController::drawingController();
 
     if (dc->isDrawingTool() || mDrawWithCompass)
@@ -624,7 +630,7 @@ bool UBGraphicsScene::inputDeviceRelease()
     return accepted;
 }
 
-void UBGraphicsScene::drawEraser(const QPointF &pPoint, bool isFirstDraw)
+void UBGraphicsScene::drawEraser(const QPointF &pPoint, bool pressed)
 {
     qreal eraserWidth = UBSettings::settings()->currentEraserWidth();
     eraserWidth /= UBApplication::boardController->systemScaleFactor();
@@ -635,10 +641,19 @@ void UBGraphicsScene::drawEraser(const QPointF &pPoint, bool isFirstDraw)
     // TODO UB 4.x optimize - no need to do that every time we move it
     if (mEraser) {
         mEraser->setRect(QRectF(pPoint.x() - eraserRadius, pPoint.y() - eraserRadius, eraserWidth, eraserWidth));
+        redrawEraser(pressed);
+    }
+}
 
-        if(isFirstDraw) {
-          mEraser->show();
-        }
+void UBGraphicsScene::redrawEraser(bool pressed)
+{
+    if (mEraser) {
+        if(pressed)
+            mEraser->setPen(QPen(Qt::SolidLine));
+        else
+            mEraser->setPen(QPen(Qt::DotLine));
+
+        mEraser->show();
     }
 }
 

src/domain/UBGraphicsScene.h

@@ -359,7 +359,8 @@ public slots:
 
         void initPolygonItem(UBGraphicsPolygonItem*);
 
-        void drawEraser(const QPointF& pEndPoint, bool isFirstDraw = false);
+        void drawEraser(const QPointF& pEndPoint, bool pressed = true);
+        void redrawEraser(bool pressed);
         void drawPointer(const QPointF& pEndPoint, bool isFirstDraw = false);
         void DisposeMagnifierQWidgets();
 

src/gui/UBResources.cpp

@@ -65,7 +65,7 @@ void UBResources::init()
 {
     // Cursors
     penCursor       = QCursor(Qt::CrossCursor);
-    eraserCursor    = QCursor(QPixmap(":/images/cursors/eraser.png"), 21, 21);
+    eraserCursor    = QCursor(QPixmap(":/images/cursors/eraser.png"), 5, 25);
     markerCursor    = QCursor(QPixmap(":/images/cursors/marker.png"), 3, 30);
     pointerCursor   = QCursor(QPixmap(":/images/cursors/laser.png"), 2, 1);
     handCursor      = QCursor(Qt::OpenHandCursor);