Added settings for showing (or not) the eraser and highlighter preview circles

src/core/UBSettings.cpp

@@ -305,6 +305,9 @@ void UBSettings::init()
     boardMarkerLightBackgroundSelectedColors = new UBColorListSetting(this, "Board", "MarkerLightBackgroundSelectedColors", markerLightBackgroundSelectedColors, boardMarkerAlpha->get().toDouble());
     boardMarkerDarkBackgroundSelectedColors = new UBColorListSetting(this, "Board", "MarkerDarkBackgroundSelectedColors", markerDarkBackgroundSelectedColors, boardMarkerAlpha->get().toDouble());
 
+    showEraserPreviewCircle = new UBSetting(this, "Board", "ShowEraserPreviewCircle", true);
+    showMarkerPreviewCircle = new UBSetting(this, "Board", "ShowMarkerPreviewCircle", true);
+
     webUseExternalBrowser = new UBSetting(this, "Web", "UseExternalBrowser", false);
 
     bool defaultShowPageImmediatelyOnMirroredScreen = true;

src/core/UBSettings.h

@@ -282,6 +282,9 @@ class UBSettings : public QObject
         UBColorListSetting* boardMarkerDarkBackgroundColors;
         UBColorListSetting* boardMarkerDarkBackgroundSelectedColors;
 
+        UBSetting* showEraserPreviewCircle;
+        UBSetting* showMarkerPreviewCircle;
+
         UBSetting* webUseExternalBrowser;
         UBSetting* webShowPageImmediatelyOnMirroredScreen;
 

src/domain/UBGraphicsScene.cpp

@@ -2529,6 +2529,7 @@ void UBGraphicsScene::setDocumentUpdated()
 
 void UBGraphicsScene::createEraiser()
 {
+    if (UBSettings::settings()->showEraserPreviewCircle->get().toBool()) {
         mEraser = new QGraphicsEllipseItem(); // mem : owned and destroyed by the scene
         mEraser->setRect(QRect(0, 0, 0, 0));
         mEraser->setVisible(false);
@@ -2538,7 +2539,7 @@ void UBGraphicsScene::createEraiser()
 
         mTools << mEraser;
         addItem(mEraser);
-
+    }
 }
 
 void UBGraphicsScene::createPointer()
@@ -2559,6 +2560,7 @@ void UBGraphicsScene::createPointer()
 
 void UBGraphicsScene::createMarkerCircle()
 {
+    if (UBSettings::settings()->showMarkerPreviewCircle->get().toBool()) {
         mMarkerCircle = new QGraphicsEllipseItem();
 
         mMarkerCircle->setRect(QRect(0, 0, 0, 0));
@@ -2571,6 +2573,7 @@ void UBGraphicsScene::createMarkerCircle()
 
         mTools << mMarkerCircle;
         addItem(mMarkerCircle);
+    }
 }
 
 void UBGraphicsScene::setToolCursor(int tool)