Add a few demo controls.

Dashboard.ImmediateUI/DimUI.cs

@@ -10,30 +10,31 @@ namespace Dashboard.ImmediateUI
 {
     public class DimUIConfig
     {
-        public float Margin = 4f;
+        public Vector2 Margin = new Vector2(8, 4);
-        public float Padding = 4f;
+        public Vector2 Padding = new Vector2(4);
-
         public required IFont Font { get; init; }
+
         public IBrush TextBrush = new SolidBrush(Color.Black);
+        public IBrush DisabledText = new SolidBrush(Color.Gray);
 
         public float ButtonBorderSize = 2f;
-        public IBrush ButtonBorderBrush = new SolidBrush(Color.DarkSlateGray);
+        public IBrush ButtonBorderBrush = new SolidBrush(Color.SteelBlue);
         public IBrush ButtonFillBrush = new SolidBrush(Color.SlateGray);
         public IBrush? ButtonShadowBrush = new SolidBrush(Color.FromArgb(32, Color.LightSteelBlue));
-        public float ButtonShadowOffset = 4f;
+        public float ButtonShadowOffset = 2f;
 
         public float InputBorderSize = 2f;
-        public IBrush InputPlaceholderTextBrush = new SolidBrush(Color.SlateGray);
+        public IBrush InputPlaceholderTextBrush = new SolidBrush(Color.SteelBlue);
         public IBrush InputBorderBrush = new SolidBrush(Color.SlateGray);
         public IBrush InputFillBrush = new SolidBrush(Color.LightGray);
         public IBrush? InputShadowBrush = new SolidBrush(Color.FromArgb(32, Color.LightSteelBlue));
-        public float InputShadowOffset = -4f;
+        public float InputShadowOffset = -2f;
 
         public float MenuBorderSize = 2f;
-        public IBrush MenuBorderBrush = new SolidBrush(Color.DarkSlateGray);
+        public IBrush MenuBorderBrush = new SolidBrush(Color.SteelBlue);
         public IBrush MenuFillBrush = new SolidBrush(Color.SlateGray);
         public IBrush? MenuShadowBrush = new SolidBrush(Color.FromArgb(32, Color.LightSteelBlue));
-        public float MenuShadowOffset = 6f;
+        public float MenuShadowOffset = 2f;
     }
 
     public class DimUI
@@ -80,7 +81,7 @@ namespace Dashboard.ImmediateUI
                 _sameLine = false;
             }
 
-            _pen.X += _config.Margin;
+            _pen.X += _config.Margin.X;
             _lineHeight = 0;
         }
 
@@ -95,24 +96,101 @@ namespace Dashboard.ImmediateUI
 
             SizeF sz = Typesetter.MeasureString(_config.Font, text);
             float z = Z();
-            float h = _config.Margin * 2 + sz.Height;
+            float h = _config.Margin.Y * 2 + sz.Height;
-            _queue.Text(new Vector3(_pen + new Vector2(0, _config.Margin), z), _config.TextBrush, text, _config.Font);
+            _queue.Text(new Vector3(_pen + new Vector2(0, _config.Margin.X), z), _config.TextBrush, text, _config.Font);
 
             _lineHeight = Math.Max(_lineHeight, h);
             _pen.X += sz.Width;
         }
 
+        public void DrawBox(
+            Vector2 position,
+            Vector2 size,
+            IBrush fill,
+            IBrush border, float borderWidth,
+            IBrush? shadow, float offset)
+        {
+            float z = Z();
+
+            if (shadow != null)
+            {
+                if (offset >= 0)
+                {
+                    _queue.Rect(position + new Vector2(offset), position + size + new Vector2(offset + borderWidth), z, shadow);
+                }
+                else
+                {
+                    // Inset shadows are draw a bit weirdly.
+                    _queue.Rect(position, position + new Vector2(offset, size.Y), z, shadow);
+                    _queue.Rect(position + new Vector2(offset, 0), position + new Vector2(size.X - offset, offset), z, shadow);
+                }
+            }
+
+            _queue.Rect(position, position + size, z, fill, border, borderWidth, BorderKind.Outset);
+        }
+
         public bool Button(string label)
         {
             Line();
 
             SizeF sz = Typesetter.MeasureString(_config.Font, label);
 
+            float h = _config.Margin.Y * 2 + _config.Padding.Y * 2 + sz.Height;
+            DrawBox(
+                _pen + new Vector2(0, _config.Margin.Y),
+                new Vector2(sz.Width + 2 * _config.Padding.X, sz.Height + 2 * _config.Padding.Y),
+                _config.ButtonFillBrush,
+                _config.ButtonBorderBrush,
+                _config.ButtonBorderSize,
+                _config.ButtonShadowBrush,
+                _config.ButtonShadowOffset);
+
+            float z = Z();
+
+            _queue.Text(new Vector3(_pen + new Vector2(_config.Padding.X, _config.Margin.Y + _config.Padding.Y), z),
+                _config.TextBrush, label, _config.Font);
+            _lineHeight = Math.Max(_lineHeight, h);
+
+            _pen.X += sz.Width + 2 * _config.Padding.X;
             return false;
         }
 
         public bool Input(string placeholder, StringBuilder value)
         {
+            Line();
+
+            IBrush textBrush;
+            string str;
+            if (value.Length == 0)
+            {
+                textBrush = _config.DisabledText;
+                str = placeholder;
+            }
+            else
+            {
+                textBrush = _config.TextBrush;
+                str = value.ToString();
+            }
+
+            SizeF sz = Typesetter.MeasureString(_config.Font, str);
+
+            float h = _config.Margin.Y * 2 + _config.Padding.Y * 2 + sz.Height;
+            DrawBox(
+                _pen + new Vector2(0, _config.Margin.Y),
+                new Vector2(sz.Width + 2 * _config.Padding.X, sz.Height + 2 * _config.Padding.Y),
+                _config.InputFillBrush,
+                _config.InputBorderBrush,
+                _config.InputBorderSize,
+                _config.InputShadowBrush,
+                _config.InputShadowOffset);
+
+            float z = Z();
+
+            _queue.Text(new Vector3(_pen + new Vector2(_config.Padding.X, _config.Margin.Y + _config.Padding.Y), z),
+                textBrush, str, _config.Font);
+            _lineHeight = Math.Max(_lineHeight, h);
+
+            _pen.X += sz.Width + 2 * _config.Padding.X;
             return false;
         }
 

tests/Dashboard.TestApplication/Program.cs

@@ -1,5 +1,6 @@
 using Dashboard.Drawing;
 using System.Drawing;
+using System.Text;
 using Dashboard;
 using Dashboard.Drawing.OpenGL;
 using Dashboard.Drawing.OpenGL.Text;
@@ -92,6 +93,7 @@ TK.Window.SetMode(wnd, WindowMode.Normal);
 List<Vector3> points = new List<Vector3>();
 
 IFont font = Typesetter.LoadFont("Nimbus Mono", 12f);
+StringBuilder builder = new StringBuilder();
 
 while (!shouldExit)
 {
@@ -101,6 +103,10 @@ while (!shouldExit)
 
     dimUI.Begin(new Box2d(0, 0, framebufferSize.X, framebufferSize.Y), queue);
     dimUI.Text("Hello World!");
+    dimUI.Button("Cancel"); dimUI.SameLine();
+    dimUI.Button("OK");
+
+    dimUI.Input("type me!", builder);
 
     dimUI.BeginMenu();