Add SubHeader label to GMCM

GenericModConfigMenu/Framework/Api.cs

@@ -79,6 +79,16 @@ public void AddSectionTitle(IManifest mod, Func<string> text, Func<string> toolt
             modConfig.AddOption(new SectionTitleModOption(text, tooltip, modConfig));
         }
 
+        /// <inheritdoc />
+        public void AddSubHeader(IManifest mod, Func<string> text)
+        {
+            mod ??= this.mod;
+            this.AssertNotNull(text);
+
+            ModConfig modConfig = this.ConfigManager.Get(mod, assert: true);
+            modConfig.AddOption(new SectionSubHeaderModOption(text, modConfig));
+        }
+
         /// <inheritdoc />
         public void AddParagraph(IManifest mod, Func<string> text)
         {

GenericModConfigMenu/Framework/ModOption/SectionSubHeaderModOption.cs

@@ -0,0 +1,17 @@
+using System;
+
+namespace GenericModConfigMenu.Framework.ModOption
+{
+    /// <summary>A mod option which renders a sub-header in a config section.</summary>
+    internal class SectionSubHeaderModOption : ReadOnlyModOption
+    {
+        /*********
+        ** Public methods
+        *********/
+        /// <summary>Construct an instance.</summary>
+        /// <param name="text">The title text to show in the form.</param>
+        /// <param name="mod">The mod config UI that contains this option.</param>
+        public SectionSubHeaderModOption(Func<string> text, ModConfig mod)
+            : base(text, null, mod) { }
+    }
+}

GenericModConfigMenu/Framework/SpecificModConfigMenu.cs

@@ -359,6 +359,15 @@ public SpecificModConfigMenu(ModConfig config, int scrollSpeed, string page, Act
                         optionElement = null;
                         break;
 
+                    case SectionSubHeaderModOption _:
+                        label.LocalPosition = new Vector2(-8, 0);
+                        label.Bold = true;
+                        label.Scale = 0.75f;
+                        if (name == "")
+                            label = null;
+                        optionElement = null;
+                        break;
+
                     case PageLinkModOption option:
                         label.Bold = true;
                         label.Callback = _ => this.OpenPage(option.PageId);

GenericModConfigMenu/IGenericModConfigMenuApi.cs

@@ -36,6 +36,12 @@ public interface IGenericModConfigMenuApi
         /// <param name="tooltip">The tooltip text shown when the cursor hovers on the title, or <c>null</c> to disable the tooltip.</param>
         void AddSectionTitle(IManifest mod, Func<string> text, Func<string> tooltip = null);
 
+        /// <summary>Add a subheader at the current position in the form.</summary>
+        /// <remarks>Larger than paragraph, smaller than title.</remarks>
+        /// <param name="mod">The mod's manifest.</param>
+        /// <param name="text">The title text shown in the form.</param>
+        void AddSubHeader(IManifest mod, Func<string> text);
+
         /// <summary>Add a paragraph of text at the current position in the form.</summary>
         /// <param name="mod">The mod's manifest.</param>
         /// <param name="text">The paragraph text to display.</param>

SpaceShared/UI/Label.cs

@@ -19,14 +19,19 @@ class Label : Element
         ** Accessors
         *********/
         public bool Bold { get; set; } = false;
-        public float NonBoldScale { get; set; } = 1f; // Only applies when Bold = false
+        public float NonBoldScale
+        {
+            get => this.Scale;
+            set => this.Scale = value;
+        } // Maintained for compatibility
+
         public bool NonBoldShadow { get; set; } = true; // Only applies when Bold = false
         public Color IdleTextColor { get; set; } = Game1.textColor;
         public Color HoverTextColor { get; set; } = Game1.unselectedOptionColor;
 
         public SpriteFont Font { get; set; } = Game1.dialogueFont; // Only applies when Bold = false
 
-        public float Scale => this.Bold ? 1f : this.NonBoldScale;
+        public float Scale { get; set; } = 1.0f;
 
         public string String { get; set; }
 
@@ -57,7 +62,7 @@ public override void Update(bool isOffScreen = false)
         /// <summary>Measure the label's rendered dialogue text size.</summary>
         public Vector2 Measure()
         {
-            return Label.MeasureString(this.String, this.Bold, scale: this.Bold ? 1f : this.NonBoldScale, font: this.Font);
+            return Label.MeasureString(this.String, this.Bold, scale: this.Scale, font: this.Font);
         }
 
         /// <inheritdoc />
@@ -68,17 +73,22 @@ public override void Draw(SpriteBatch b)
 
             bool altColor = this.Hover && this.Callback != null;
             if (this.Bold)
+            {
+                float originalTextScale = SpriteText.fontPixelZoom;
+                SpriteText.fontPixelZoom *= this.Scale;
                 SpriteText.drawString(b, this.String, (int)this.Position.X, (int)this.Position.Y, layerDepth: 1, color: altColor ? SpriteText.color_Gray : null);
+                SpriteText.fontPixelZoom = originalTextScale;
+            }
             else
             {
                 Color col = altColor ? this.HoverTextColor : this.IdleTextColor;
                 if (col.A <= 0)
                     return;
 
                 if (this.NonBoldShadow)
-                    Utility.drawTextWithShadow(b, this.String, this.Font, this.Position, col, this.NonBoldScale);
+                    Utility.drawTextWithShadow(b, this.String, this.Font, this.Position, col, this.Scale);
                 else
-                    b.DrawString(this.Font, this.String, this.Position, col, 0f, Vector2.Zero, this.NonBoldScale, SpriteEffects.None, 1);
+                    b.DrawString(this.Font, this.String, this.Position, col, 0f, Vector2.Zero, this.Scale, SpriteEffects.None, 1);
             }
         }