Rebuildling TabView - WIP

Author: tig

Terminal.Gui/Views/Tab.cs

@@ -1,4 +1,6 @@
 #nullable enable
+using System.Net.Security;
+
 namespace Terminal.Gui;
 
 /// <summary>A single tab in a <see cref="TabView"/>.</summary>
@@ -11,7 +13,9 @@ public Tab ()
     {
         BorderStyle = LineStyle.Rounded;
         CanFocus = true;
-        TabStop = TabBehavior.NoStop;
+        TabStop = TabBehavior.TabStop;
+        Width = Dim.Auto (DimAutoStyle.Text);
+        SuperViewRendersLineCanvas = true;
     }
 
     /// <summary>The text to display in a <see cref="TabView"/>.</summary>
@@ -26,7 +30,7 @@ public string DisplayText
         }
     }
 
-    /// <summary>The control to display when the tab is selected.</summary>
+    /// <summary>The View that will be made visible in the <see cref="TabView"/> content area when the tab is selected.</summary>
     /// <value></value>
     public View? View { get; set; }
 }

Terminal.Gui/Views/TabChangedEventArgs.cs

@@ -1,20 +1,20 @@
 namespace Terminal.Gui;
 
-/// <summary>Describes a change in <see cref="TabView.SelectedTab"/></summary>
+/// <summary>Describes a change in <see cref="TabView.SelectedTabIndex"/></summary>
 public class TabChangedEventArgs : EventArgs
 {
     /// <summary>Documents a tab change</summary>
-    /// <param name="oldTab"></param>
-    /// <param name="newTab"></param>
-    public TabChangedEventArgs (Tab oldTab, Tab newTab)
+    /// <param name="oldTabIndex"></param>
+    /// <param name="newTabIndex"></param>
+    public TabChangedEventArgs (int? oldTabIndex, int? newTabIndex)
     {
-        OldTab = oldTab;
-        NewTab = newTab;
+        OldTabIndex = oldTabIndex;
+        NewTabIndex = newTabIndex;
     }
 
-    /// <summary>The currently selected tab. May be null</summary>
-    public Tab NewTab { get; }
+    /// <summary>The currently selected tab.</summary>
+    public int? NewTabIndex { get; }
 
-    /// <summary>The previously selected tab. May be null</summary>
-    public Tab OldTab { get; }
+    /// <summary>The previously selected tab.</summary>
+    public int? OldTabIndex{ get; }
 }