feat: add component library

Dalamud/Interface/Components/ComponentDemoWindow.cs

@@ -0,0 +1,42 @@
+using System.Numerics;
+
+using Dalamud.Interface.Windowing;
+using ImGuiNET;
+
+namespace Dalamud.Interface.Components
+{
+
+    internal class ComponentDemoWindow : Window
+    {
+        private readonly IComponent[] components =
+        {
+            new TestComponent(),
+        };
+
+        public ComponentDemoWindow()
+            : base("Dalamud Components Demo")
+        {
+            this.Size = new Vector2(600, 500);
+            this.SizeCondition = ImGuiCond.FirstUseEver;
+        }
+
+        public override void Draw()
+        {
+            ImGui.BeginChild("comp_scrolling", new Vector2(0, 0), false, ImGuiWindowFlags.AlwaysVerticalScrollbar | ImGuiWindowFlags.HorizontalScrollbar);
+
+            ImGui.Text("This is a collection of UI components you can use in your plugin.");
+
+            for (var i = 0; i < this.components.Length; i++)
+            {
+                var thisComp = this.components[i];
+
+                if (ImGui.CollapsingHeader($"{thisComp.Name} ({thisComp.GetType().FullName})###comp{i}"))
+                {
+                    thisComp.Draw();
+                }
+            }
+
+            ImGui.EndChild();
+        }
+    }
+}

Dalamud/Interface/Components/IComponent.cs

@@ -0,0 +1,18 @@
+namespace Dalamud.Interface.Components
+{
+    /// <summary>
+    /// Base interface implementing a modular interface component.
+    /// </summary>
+    public interface IComponent
+    {
+        /// <summary>
+        /// Gets or sets the name of the component.
+        /// </summary>
+        public string Name { get; }
+
+        /// <summary>
+        /// Draw the component via ImGui.
+        /// </summary>
+        public void Draw();
+    }
+}

Dalamud/Interface/Components/TestComponent.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using ImGuiNET;
+
+namespace Dalamud.Interface.Components
+{
+    class TestComponent : IComponent
+    {
+        public string Name { get; } = "Test Component";
+
+        public void Draw()
+        {
+            ImGui.Text("You are viewing the test component. The test was a success.");
+        }
+    }
+}