feat(ui): move plate navigation from toolbar to header above PlateView

Plate nav buttons (first/prev/next/last) now sit in a centered header
bar above the PlateView with a plate info label on the left, making
navigation more accessible without reaching up to the main toolbar.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

OpenNest/Forms/EditNestForm.cs

@@ -28,6 +28,13 @@ namespace OpenNest.Forms
 
         private readonly Timer updateDrawingListTimer;
 
+        private Panel plateHeaderPanel;
+        private Label plateInfoLabel;
+        private Button btnFirstPlate;
+        private Button btnPreviousPlate;
+        private Button btnNextPlate;
+        private Button btnLastPlate;
+
         /// <summary>
         /// Used to distinguish between single/double click on drawing within drawinglistbox.
         /// If double click, this is set to false so the single click action won't be triggered.
@@ -43,8 +50,10 @@ namespace OpenNest.Forms
             PlateView.Dock = DockStyle.Fill;
 
             InitializeComponent();
+            CreatePlateHeader();
 
             splitContainer.Panel2.Controls.Add(PlateView);
+            splitContainer.Panel2.Controls.Add(plateHeaderPanel);
 
             var renderer = new ToolStripRenderer(ToolbarTheme.Toolbar);
             toolStrip1.Renderer = renderer;
@@ -62,6 +71,81 @@ namespace OpenNest.Forms
             };
         }
 
+        private void CreatePlateHeader()
+        {
+            plateHeaderPanel = new Panel
+            {
+                Dock = DockStyle.Top,
+                Height = 30,
+                BackColor = Color.FromArgb(240, 240, 240),
+                Padding = new Padding(4, 0, 4, 0)
+            };
+
+            plateInfoLabel = new Label
+            {
+                AutoSize = true,
+                TextAlign = ContentAlignment.MiddleLeft,
+                Font = new Font("Segoe UI", 12f, FontStyle.Bold),
+                ForeColor = Color.FromArgb(120, 120, 120),
+                Dock = DockStyle.Left,
+                Padding = new Padding(4, 4, 4, 4)
+            };
+
+            var btnSize = new System.Drawing.Size(28, 28);
+
+            btnFirstPlate = CreateNavButton(Resources.move_first);
+            btnFirstPlate.Click += (s, e) => LoadFirstPlate();
+
+            btnPreviousPlate = CreateNavButton(Resources.move_previous);
+            btnPreviousPlate.Click += (s, e) => LoadPreviousPlate();
+
+            btnNextPlate = CreateNavButton(Resources.move_next);
+            btnNextPlate.Click += (s, e) => LoadNextPlate();
+
+            btnLastPlate = CreateNavButton(Resources.move_last);
+            btnLastPlate.Click += (s, e) => LoadLastPlate();
+
+            // Panel that holds the nav buttons and centers itself in the header
+            var navPanel = new Panel
+            {
+                Width = btnSize.Width * 4,
+                Height = btnSize.Height,
+                Anchor = AnchorStyles.None
+            };
+
+            btnFirstPlate.Location = new Point(0, 0);
+            btnPreviousPlate.Location = new Point(btnSize.Width, 0);
+            btnNextPlate.Location = new Point(btnSize.Width * 2, 0);
+            btnLastPlate.Location = new Point(btnSize.Width * 3, 0);
+
+            navPanel.Controls.AddRange(new Control[] { btnFirstPlate, btnPreviousPlate, btnNextPlate, btnLastPlate });
+
+            plateHeaderPanel.Controls.Add(navPanel);
+            plateHeaderPanel.Controls.Add(plateInfoLabel);
+
+            // Center the nav panel on resize
+            CenterNavPanel(navPanel);
+            plateHeaderPanel.Resize += (s, e) => CenterNavPanel(navPanel);
+        }
+
+        private void CenterNavPanel(Panel navPanel)
+        {
+            navPanel.Left = (plateHeaderPanel.Width - navPanel.Width) / 2;
+            navPanel.Top = (plateHeaderPanel.Height - navPanel.Height) / 2;
+        }
+
+        private static Button CreateNavButton(System.Drawing.Image image)
+        {
+            return new Button
+            {
+                Image = image,
+                Size = new System.Drawing.Size(28, 28),
+                FlatStyle = FlatStyle.Flat,
+                FlatAppearance = { BorderSize = 0 },
+                Cursor = Cursors.Hand
+            };
+        }
+
         public EditNestForm(Nest nest)
             : this()
         {
@@ -518,10 +602,32 @@ namespace OpenNest.Forms
             if (updateListView)
                 platesListView.Items[CurrentPlateIndex].Selected = true;
 
+            UpdatePlateHeader();
+
             if (PlateChanged != null)
                 PlateChanged.Invoke(this, EventArgs.Empty);
         }
 
+        private void UpdatePlateHeader()
+        {
+            var plate = Nest.Plates.Count > 0 ? Nest.Plates[CurrentPlateIndex] : null;
+
+            if (plate != null)
+            {
+                plateInfoLabel.Text = string.Format("Plate {0} of {1}  |  {2}",
+                    CurrentPlateIndex + 1, Nest.Plates.Count, plate.Size);
+            }
+            else
+            {
+                plateInfoLabel.Text = "No plates";
+            }
+
+            btnFirstPlate.Enabled = !IsFirstPlate();
+            btnPreviousPlate.Enabled = !IsFirstPlate();
+            btnNextPlate.Enabled = !IsLastPlate();
+            btnLastPlate.Enabled = !IsLastPlate();
+        }
+
         #region Overrides
 
         protected override void OnSizeChanged(EventArgs e)

OpenNest/Forms/MainForm.Designer.cs

@@ -137,11 +137,6 @@
             btnSave = new System.Windows.Forms.ToolStripButton();
             btnSaveAs = new System.Windows.Forms.ToolStripButton();
             toolStripSeparator1 = new System.Windows.Forms.ToolStripSeparator();
-            btnFirstPlate = new System.Windows.Forms.ToolStripButton();
-            btnPreviousPlate = new System.Windows.Forms.ToolStripButton();
-            btnNextPlate = new System.Windows.Forms.ToolStripButton();
-            btnLastPlate = new System.Windows.Forms.ToolStripButton();
-            toolStripSeparator3 = new System.Windows.Forms.ToolStripSeparator();
             btnZoomOut = new System.Windows.Forms.ToolStripButton();
             btnZoomIn = new System.Windows.Forms.ToolStripButton();
             btnZoomToFit = new System.Windows.Forms.ToolStripButton();
@@ -889,7 +884,7 @@
             // toolStrip1
             // 
             toolStrip1.AutoSize = false;
-            toolStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] { btnNew, btnOpen, btnSave, btnSaveAs, toolStripSeparator1, btnFirstPlate, btnPreviousPlate, btnNextPlate, btnLastPlate, toolStripSeparator3, btnZoomOut, btnZoomIn, btnZoomToFit, toolStripSeparator4, engineLabel, engineComboBox, btnAutoNest, btnShowRemnants });
+            toolStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] { btnNew, btnOpen, btnSave, btnSaveAs, toolStripSeparator1, btnZoomOut, btnZoomIn, btnZoomToFit, toolStripSeparator4, engineLabel, engineComboBox, btnAutoNest, btnShowRemnants });
             toolStrip1.Location = new System.Drawing.Point(0, 24);
             toolStrip1.Name = "toolStrip1";
             toolStrip1.Size = new System.Drawing.Size(1281, 40);
@@ -949,61 +944,6 @@
             toolStripSeparator1.Name = "toolStripSeparator1";
             toolStripSeparator1.Size = new System.Drawing.Size(6, 40);
             // 
-            // btnFirstPlate
-            // 
-            btnFirstPlate.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image;
-            btnFirstPlate.Image = Properties.Resources.move_first;
-            btnFirstPlate.ImageScaling = System.Windows.Forms.ToolStripItemImageScaling.None;
-            btnFirstPlate.ImageTransparentColor = System.Drawing.Color.Magenta;
-            btnFirstPlate.Name = "btnFirstPlate";
-            btnFirstPlate.Padding = new System.Windows.Forms.Padding(5, 0, 5, 0);
-            btnFirstPlate.Size = new System.Drawing.Size(38, 37);
-            btnFirstPlate.Text = "Go to First Plate";
-            btnFirstPlate.Click += LoadFirstPlate_Click;
-            // 
-            // btnPreviousPlate
-            // 
-            btnPreviousPlate.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image;
-            btnPreviousPlate.Image = Properties.Resources.move_previous;
-            btnPreviousPlate.ImageScaling = System.Windows.Forms.ToolStripItemImageScaling.None;
-            btnPreviousPlate.ImageTransparentColor = System.Drawing.Color.Magenta;
-            btnPreviousPlate.Name = "btnPreviousPlate";
-            btnPreviousPlate.Padding = new System.Windows.Forms.Padding(5, 0, 5, 0);
-            btnPreviousPlate.Size = new System.Drawing.Size(38, 37);
-            btnPreviousPlate.Text = "Go to Previous Plate";
-            btnPreviousPlate.Click += LoadPreviousPlate_Click;
-            // 
-            // btnNextPlate
-            // 
-            btnNextPlate.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image;
-            btnNextPlate.Image = Properties.Resources.move_next;
-            btnNextPlate.ImageScaling = System.Windows.Forms.ToolStripItemImageScaling.None;
-            btnNextPlate.ImageTransparentColor = System.Drawing.Color.Magenta;
-            btnNextPlate.Name = "btnNextPlate";
-            btnNextPlate.Padding = new System.Windows.Forms.Padding(5, 0, 5, 0);
-            btnNextPlate.RightToLeft = System.Windows.Forms.RightToLeft.No;
-            btnNextPlate.Size = new System.Drawing.Size(38, 37);
-            btnNextPlate.Text = "Go to Next Plate";
-            btnNextPlate.Click += LoadNextPlate_Click;
-            // 
-            // btnLastPlate
-            // 
-            btnLastPlate.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image;
-            btnLastPlate.Image = Properties.Resources.move_last;
-            btnLastPlate.ImageScaling = System.Windows.Forms.ToolStripItemImageScaling.None;
-            btnLastPlate.ImageTransparentColor = System.Drawing.Color.Magenta;
-            btnLastPlate.Name = "btnLastPlate";
-            btnLastPlate.Padding = new System.Windows.Forms.Padding(5, 0, 5, 0);
-            btnLastPlate.RightToLeft = System.Windows.Forms.RightToLeft.No;
-            btnLastPlate.Size = new System.Drawing.Size(38, 37);
-            btnLastPlate.Text = "Go to Last Plate";
-            btnLastPlate.Click += LoadLastPlate_Click;
-            // 
-            // toolStripSeparator3
-            // 
-            toolStripSeparator3.Name = "toolStripSeparator3";
-            toolStripSeparator3.Size = new System.Drawing.Size(6, 40);
-            // 
             // btnZoomOut
             // 
             btnZoomOut.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image;
@@ -1165,8 +1105,6 @@
         private System.Windows.Forms.ToolStripButton btnOpen;
         private System.Windows.Forms.ToolStripStatusLabel plateIndexStatusLabel;
         private System.Windows.Forms.ToolStripSeparator toolStripSeparator1;
-        private System.Windows.Forms.ToolStripButton btnPreviousPlate;
-        private System.Windows.Forms.ToolStripButton btnNextPlate;
         private System.Windows.Forms.ToolStripMenuItem mnuWindow;
         private System.Windows.Forms.ToolStripMenuItem mnuWindowCascade;
         private System.Windows.Forms.ToolStripMenuItem mnuWindowTileVertical;
@@ -1200,13 +1138,10 @@
         private System.Windows.Forms.ToolStripMenuItem mnuPlateViewInCad;
         private System.Windows.Forms.ToolStripButton btnNew;
         private System.Windows.Forms.ToolStripMenuItem mnuPlateAdd;
-        private System.Windows.Forms.ToolStripButton btnFirstPlate;
-        private System.Windows.Forms.ToolStripButton btnLastPlate;
         private System.Windows.Forms.ToolStripButton btnZoomToFit;
         private System.Windows.Forms.ToolStripMenuItem mnuNestRemoveEmptyPlates;
         private System.Windows.Forms.ToolStripMenuItem mnuViewZoomIn;
         private System.Windows.Forms.ToolStripMenuItem mnuViewZoomOut;
-        private System.Windows.Forms.ToolStripSeparator toolStripSeparator3;
         private System.Windows.Forms.ToolStripSeparator toolStripMenuItem14;
         private System.Windows.Forms.ToolStripMenuItem mnuSetOffsetIncrement;
         private System.Windows.Forms.ToolStripMenuItem mnuSetRotationIncrement;

OpenNest/Forms/MainForm.cs

@@ -155,30 +155,16 @@ namespace OpenNest.Forms
             if (activeForm == null)
             {
                 mnuNestPreviousPlate.Enabled = false;
-                btnPreviousPlate.Enabled = false;
-
                 mnuNestNextPlate.Enabled = false;
-                btnNextPlate.Enabled = false;
-
                 mnuNestFirstPlate.Enabled = false;
-                btnFirstPlate.Enabled = false;
-
                 mnuNestLastPlate.Enabled = false;
-                btnLastPlate.Enabled = false;
             }
             else
             {
                 mnuNestPreviousPlate.Enabled = !activeForm.IsFirstPlate();
-                btnPreviousPlate.Enabled = !activeForm.IsFirstPlate();
-
                 mnuNestNextPlate.Enabled = !activeForm.IsLastPlate();
-                btnNextPlate.Enabled = !activeForm.IsLastPlate();
-
                 mnuNestFirstPlate.Enabled = activeForm.PlateCount > 0 && !activeForm.IsFirstPlate();
-                btnFirstPlate.Enabled = activeForm.PlateCount > 0 && !activeForm.IsFirstPlate();
-
                 mnuNestLastPlate.Enabled = activeForm.PlateCount > 0 && !activeForm.IsLastPlate();
-                btnLastPlate.Enabled = activeForm.PlateCount > 0 && !activeForm.IsLastPlate();
             }
         }
 
@@ -192,13 +178,9 @@ namespace OpenNest.Forms
 
             // Lock plate navigation
             mnuNestPreviousPlate.Enabled = !locked && activeForm != null && !activeForm.IsFirstPlate();
-            btnPreviousPlate.Enabled = mnuNestPreviousPlate.Enabled;
             mnuNestNextPlate.Enabled = !locked && activeForm != null && !activeForm.IsLastPlate();
-            btnNextPlate.Enabled = mnuNestNextPlate.Enabled;
             mnuNestFirstPlate.Enabled = !locked && activeForm != null && activeForm.PlateCount > 0 && !activeForm.IsFirstPlate();
-            btnFirstPlate.Enabled = mnuNestFirstPlate.Enabled;
             mnuNestLastPlate.Enabled = !locked && activeForm != null && activeForm.PlateCount > 0 && !activeForm.IsLastPlate();
-            btnLastPlate.Enabled = mnuNestLastPlate.Enabled;
         }
 
         private void UpdateLocationStatus()