Call ZoomFitBest() twice before show pattern.

--HG--
branch : develop

src/app/mainwindow.cpp

@@ -2022,15 +2022,8 @@ void MainWindow::LoadPattern(const QString &fileName)
 
     qApp->setOpeningPattern();// End opening file
 
-    VAbstractTool::NewSceneRect(sceneDraw, view);
-    VAbstractTool::NewSceneRect(sceneDetails, view);
-
     //Fit scene size to best size for first show
-    ActionDetails(true);
-    view->ZoomFitBest();
-
-    ActionDraw(true);
-    view->ZoomFitBest();
+    ZoomFirstShow();
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -2127,3 +2120,28 @@ void MainWindow::EndVisualization(bool click)
         dialogTool->ShowDialog(click);
     }
 }
+
+//---------------------------------------------------------------------------------------------------------------------
+/**
+ * @brief ZoomFirstShow Fit scene size to best size for first show
+ */
+void MainWindow::ZoomFirstShow()
+{
+    /* If don't call ZoomFitBest() twice, after first scaling or moving pattern piece, scene change coordinate and whole
+     * pattern will be moved. Looks very ugly. It is best solution that i have now.
+     */
+    ActionDetails(true);
+    view->ZoomFitBest();
+
+    ActionDraw(true);
+    view->ZoomFitBest();
+
+    VAbstractTool::NewSceneRect(sceneDraw, view);
+    VAbstractTool::NewSceneRect(sceneDetails, view);
+
+    ActionDetails(true);
+    view->ZoomFitBest();
+
+    ActionDraw(true);
+    view->ZoomFitBest();
+}

src/app/mainwindow.h

@@ -239,6 +239,7 @@ private:
      * @brief EndVisualization try show dialog after and working with tool visualization.
      */
     void               EndVisualization(bool click = false);
+    void               ZoomFirstShow();
 };
 
 #endif // MAINWINDOW_H

src/app/tools/drawTools/vtoolarc.cpp

@@ -157,6 +157,7 @@ VToolArc* VToolArc::Create(const quint32 _id, const quint32 &center, QString &ra
         VToolArc *toolArc = new VToolArc(doc, data, id, typeCreation);
         scene->addItem(toolArc);
         connect(toolArc, &VToolArc::ChoosedTool, scene, &VMainGraphicsScene::ChoosedItem);
+        connect(scene, &VMainGraphicsScene::NewFactor, toolArc, &VToolArc::SetFactor);
         connect(scene, &VMainGraphicsScene::DisableItem, toolArc, &VToolArc::Disable);
         doc->AddTool(id, toolArc);
         doc->IncrementReferens(center);