TextBox, PropertyChangeHandler

src/Library/TerminalUI/Models/Margin.cs

@@ -1,18 +0,0 @@
-namespace TerminalUI.Models;
-
-public record Margin(int Left, int Top, int Right, int Bottom)
-{
-    public static implicit operator Margin(int value) => new(value, value, value, value);
-    public static implicit operator Margin((int Left, int Top, int Right, int Bottom) value) => new(value.Left, value.Top, value.Right, value.Bottom);
-    public static implicit operator Margin(string s)
-    {
-        var parts = s.Split(' ');
-        return parts.Length switch
-        {
-            1 => new Margin(int.Parse(parts[0])),
-            2 => new Margin(int.Parse(parts[0]), int.Parse(parts[1]), int.Parse(parts[0]), int.Parse(parts[1])),
-            4 => new Margin(int.Parse(parts[0]), int.Parse(parts[1]), int.Parse(parts[2]), int.Parse(parts[3])),
-            _ => throw new ArgumentException("Invalid margin format", nameof(s))
-        };
-    }
-}

src/Library/TerminalUI/Models/Position.cs

@@ -1,3 +1,10 @@
-namespace TerminalUI.Models;
+using System.Diagnostics;
 
-public record struct Position(int X, int Y);
+namespace TerminalUI.Models;
+
+[DebuggerDisplay("X = {X}, Y = {Y}")]
+public readonly record struct Position(int X, int Y)
+{
+    public static Position operator +(Position left, Position right) => new(left.X + right.X, left.Y + right.Y);
+    public static Position operator -(Position left, Position right) => new(left.X - right.X, left.Y - right.Y);
+}

src/Library/TerminalUI/Models/RenderContext.cs

@@ -1,18 +1,32 @@
-using TerminalUI.ConsoleDrivers;
+using System.Diagnostics;
+using TerminalUI.Color;
+using TerminalUI.ConsoleDrivers;
 
 namespace TerminalUI.Models;
 
+[DebuggerDisplay("RenderId = {RenderId}, ForceRerender = {ForceRerender}, Driver = {ConsoleDriver.GetType().Name}")]
 public readonly ref struct RenderContext
 {
-    private static int _renderId = 0;
+    private static int _renderId;
     public readonly int RenderId;
     public readonly IConsoleDriver ConsoleDriver;
+    public readonly bool ForceRerender;
+    public readonly IColor? Foreground;
+    public readonly IColor? Background;
 
-    public RenderContext(IConsoleDriver consoleDriver)
+    public RenderContext(
+        IConsoleDriver consoleDriver, 
+        bool forceRerender, 
+        IColor? foreground, 
+        IColor? background)
     {
-        ConsoleDriver = consoleDriver;
         RenderId = _renderId++;
+        
+        ConsoleDriver = consoleDriver;
+        ForceRerender = forceRerender;
+        Foreground = foreground;
+        Background = background;
     }
     
-    public static RenderContext Empty => new(null!);
+    public static RenderContext Empty => new(null!, false, null, null);
 }

src/Library/TerminalUI/Models/Size.cs

@@ -1,3 +1,6 @@
-namespace TerminalUI.Models;
+using System.Diagnostics;
 
+namespace TerminalUI.Models;
+
+[DebuggerDisplay("Width = {Width}, Height = {Height}")]
 public readonly record struct Size(int Width, int Height);

src/Library/TerminalUI/Models/Thickness.cs

@@ -0,0 +1,21 @@
+using System.Diagnostics;
+
+namespace TerminalUI.Models;
+
+[DebuggerDisplay("Left = {Left}, Top = {Top}, Right = {Right}, Bottom = {Bottom}")]
+public record Thickness(int Left, int Top, int Right, int Bottom)
+{
+    public static implicit operator Thickness(int value) => new(value, value, value, value);
+    public static implicit operator Thickness((int Left, int Top, int Right, int Bottom) value) => new(value.Left, value.Top, value.Right, value.Bottom);
+    public static implicit operator Thickness(string s)
+    {
+        var parts = s.Split(' ');
+        return parts.Length switch
+        {
+            1 => new Thickness(int.Parse(parts[0])),
+            2 => new Thickness(int.Parse(parts[0]), int.Parse(parts[1]), int.Parse(parts[0]), int.Parse(parts[1])),
+            4 => new Thickness(int.Parse(parts[0]), int.Parse(parts[1]), int.Parse(parts[2]), int.Parse(parts[3])),
+            _ => throw new ArgumentException("Invalid margin format", nameof(s))
+        };
+    }
+}