more work on gtk & code cleanup

Pilz.UI.WinForms/PaintingControl/PaintingControl.cs

@@ -1,15 +1,9 @@
 using Pilz.Drawing;
-using Pilz.UI.WinForms.PaintingControl.EventArgs;
 using Pilz.UI.WinForms.Utilities;
-using System;
 using System.Collections;
-using System.Collections.Generic;
 using System.ComponentModel;
 using System.Data;
-using System.Drawing;
 using System.Drawing.Drawing2D;
-using System.Linq;
-using System.Windows.Forms;
 
 namespace Pilz.UI.WinForms.PaintingControl;
 
@@ -48,7 +42,7 @@ public class PaintingControl : UserControl, IPaintingObjectContainer
     public Color GridColor { get; set; } = Color.LightGray;
     public DelegateDrawPaintingControlGridMethode DrawGridMethode { get; set; } = DefaultDrawMethodes.DrawGrid;
     public DelegateDrawPaintingControlAreaSelectionMethode DrawAreaSelectionMethode { get; set; } = DefaultDrawMethodes.DrawAreaSelection;
-    private SizeF _ZoomFactor = new SizeF(1f, 1f);
+    private SizeF _ZoomFactor = new(1f, 1f);
 
     private int _stopDrawing = -1;
     private Image bufferedImg = null;
@@ -57,7 +51,7 @@ public class PaintingControl : UserControl, IPaintingObjectContainer
     private bool pressedControl = false;
     private bool pressedAlt = false;
 
-    private Dictionary<PaintingObject, PointF> savedPos = new Dictionary<PaintingObject, PointF>();
+    private Dictionary<PaintingObject, PointF> savedPos = [];
 
     public event SelectionChangedEventHandler SelectionChanged;
 
@@ -413,8 +407,7 @@ public class PaintingControl : UserControl, IPaintingObjectContainer
     {
         if (IsResizingObjs(objs))
             return;
-        if (movedObjs is null)
-            movedObjs = new List<PaintingObject>();
+        movedObjs ??= [];
 
         SuspendDrawing();
 
@@ -663,7 +656,8 @@ public class PaintingControl : UserControl, IPaintingObjectContainer
                 {
                     obj2.X -= modLeft;
                 }
-            };
+            }
+            ;
 
             zoomLocation(obj);
 
@@ -674,7 +668,8 @@ public class PaintingControl : UserControl, IPaintingObjectContainer
             var modW = (int)Math.Round(obj.Width % zoomedGridChunkSize.Width);
 
 
-            void zoomSize(PaintingObject obj2) { if (obj2.EnableResize && !obj2.HardcodedSize) { if (modH > halfHeight) obj2.Height += zoomedGridChunkSize.Height - modH; else { obj2.Height -= modH; } if (modW > halfWidth) obj2.Width += zoomedGridChunkSize.Width - modW; else { obj2.Width -= modW; } } };
+            void zoomSize(PaintingObject obj2) { if (obj2.EnableResize && !obj2.HardcodedSize) { if (modH > halfHeight) obj2.Height += zoomedGridChunkSize.Height - modH; else { obj2.Height -= modH; } if (modW > halfWidth) obj2.Width += zoomedGridChunkSize.Width - modW; else { obj2.Width -= modW; } } }
+            ;
 
             zoomSize(obj);