feat: create LeadInToolWindow floating form

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

OpenNest/Forms/LeadInToolWindow.cs

@@ -0,0 +1,110 @@
+using OpenNest.CNC.CuttingStrategy;
+using OpenNest.Controls;
+using System;
+using System.Drawing;
+using System.Windows.Forms;
+
+namespace OpenNest.Forms
+{
+    public class LeadInToolWindow : Form
+    {
+        private readonly CuttingPanel cuttingPanel;
+
+        public CuttingPanel CuttingPanel => cuttingPanel;
+
+        public event EventHandler ParametersChanged
+        {
+            add => cuttingPanel.ParametersChanged += value;
+            remove => cuttingPanel.ParametersChanged -= value;
+        }
+
+        public event EventHandler AutoAssignClicked
+        {
+            add => cuttingPanel.AutoAssignClicked += value;
+            remove => cuttingPanel.AutoAssignClicked -= value;
+        }
+
+        public LeadInToolWindow()
+        {
+            Text = "Lead-In Properties";
+            FormBorderStyle = FormBorderStyle.SizableToolWindow;
+            ShowInTaskbar = false;
+            StartPosition = FormStartPosition.Manual;
+            MinimumSize = new Size(300, 400);
+            Size = new Size(400, 580);
+
+            cuttingPanel = new CuttingPanel
+            {
+                Dock = DockStyle.Fill,
+                ShowAutoAssign = true
+            };
+            Controls.Add(cuttingPanel);
+
+            RestorePosition();
+        }
+
+        public CuttingParameters BuildParameters() => cuttingPanel.BuildParameters();
+
+        public void LoadFromParameters(CuttingParameters p) => cuttingPanel.LoadFromParameters(p);
+
+        public ContourType? ActiveContourType
+        {
+            get => cuttingPanel.ActiveContourType;
+            set => cuttingPanel.ActiveContourType = value;
+        }
+
+        protected override void OnFormClosing(FormClosingEventArgs e)
+        {
+            if (e.CloseReason == CloseReason.UserClosing)
+            {
+                e.Cancel = true;
+                Hide();
+            }
+
+            SavePosition();
+            base.OnFormClosing(e);
+        }
+
+        protected override void OnMove(EventArgs e)
+        {
+            base.OnMove(e);
+            if (WindowState == FormWindowState.Normal)
+                SavePosition();
+        }
+
+        protected override void OnResize(EventArgs e)
+        {
+            base.OnResize(e);
+            if (WindowState == FormWindowState.Normal)
+                SavePosition();
+        }
+
+        private void SavePosition()
+        {
+            if (WindowState != FormWindowState.Normal)
+                return;
+
+            Properties.Settings.Default.LeadInToolWindowLocation = Location;
+            Properties.Settings.Default.LeadInToolWindowSize = Size;
+            Properties.Settings.Default.Save();
+        }
+
+        private void RestorePosition()
+        {
+            var savedLocation = Properties.Settings.Default.LeadInToolWindowLocation;
+            var savedSize = Properties.Settings.Default.LeadInToolWindowSize;
+
+            if (savedSize.Width > 0 && savedSize.Height > 0)
+                Size = savedSize;
+
+            if (savedLocation.X != 0 || savedLocation.Y != 0)
+            {
+                var screen = Screen.FromPoint(savedLocation);
+                if (screen.WorkingArea.Contains(savedLocation))
+                    Location = savedLocation;
+                else
+                    CenterToParent();
+            }
+        }
+    }
+}

OpenNest/Properties/Settings.Designer.cs

@@ -238,5 +238,29 @@ namespace OpenNest.Properties {
                 this["CuttingParametersJson"] = value;
             }
         }
+
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("0, 0")]
+        public global::System.Drawing.Point LeadInToolWindowLocation {
+            get {
+                return ((global::System.Drawing.Point)(this["LeadInToolWindowLocation"]));
+            }
+            set {
+                this["LeadInToolWindowLocation"] = value;
+            }
+        }
+
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("0, 0")]
+        public global::System.Drawing.Size LeadInToolWindowSize {
+            get {
+                return ((global::System.Drawing.Size)(this["LeadInToolWindowSize"]));
+            }
+            set {
+                this["LeadInToolWindowSize"] = value;
+            }
+        }
     }
 }

OpenNest/Properties/Settings.settings

@@ -56,5 +56,11 @@
     <Setting Name="CuttingParametersJson" Type="System.String" Scope="User">
       <Value Profile="(Default)" />
     </Setting>
+    <Setting Name="LeadInToolWindowLocation" Type="System.Drawing.Point" Scope="User">
+      <Value Profile="(Default)">0, 0</Value>
+    </Setting>
+    <Setting Name="LeadInToolWindowSize" Type="System.Drawing.Size" Scope="User">
+      <Value Profile="(Default)">0, 0</Value>
+    </Setting>
   </Settings>
 </SettingsFile>