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GlamourerOld/Gui/Customization/CustomizationDrawer.Color.cs

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+using System;
+using System.Numerics;
+using Glamourer.Customization;
+using ImGuiNET;
+using OtterGui.Raii;
+
+namespace Glamourer.Gui.Customization;
+
+public partial class CustomizationDrawer
+{
+    private const string ColorPickerPopupName = "ColorPicker";
+
+    private void DrawColorPicker(CustomizeIndex index)
+    {
+        using var _ = SetId(index);
+        var (current, custom) = GetCurrentCustomization(index);
+        var color = ImGui.ColorConvertU32ToFloat4(custom.Color);
+
+        // Print 1-based index instead of 0.
+        if (ImGui.ColorButton($"{current + 1}##color", color, ImGuiColorEditFlags.None, _framedIconSize))
+            ImGui.OpenPopup(ColorPickerPopupName);
+
+        ImGui.SameLine();
+
+        using (var group = ImRaii.Group())
+        {
+            DataInputInt(current);
+            ImGui.TextUnformatted(_currentOption);
+        }
+        DrawColorPickerPopup();
+    }
+
+    private void DrawColorPickerPopup()
+    {
+        using var popup = ImRaii.Popup(ColorPickerPopupName, ImGuiWindowFlags.AlwaysAutoResize);
+        if (!popup)
+            return;
+
+        using var style = ImRaii.PushStyle(ImGuiStyleVar.ItemSpacing, Vector2.Zero)
+            .Push(ImGuiStyleVar.FrameRounding, 0);
+        for (var i = 0; i < _currentCount; ++i)
+        {
+            var custom = _set.Data(_currentIndex, i, _customize[CustomizeIndex.Face]);
+            if (ImGui.ColorButton((i + 1).ToString(), ImGui.ColorConvertU32ToFloat4(custom.Color)))
+            {
+                UpdateValue(custom.Value);
+                ImGui.CloseCurrentPopup();
+            }
+
+            if (i % 8 != 7)
+                ImGui.SameLine();
+        }
+    }
+
+    // Obtain the current customization and print a warning if it is not known.
+    private (int, CustomizeData) GetCurrentCustomization(CustomizeIndex index)
+    {
+        var current = _set.DataByValue(index, _customize[index], out var custom, _customize.Face);
+        if (_set.IsAvailable(index) && current < 0)
+            throw new Exception($"Read invalid customization value {_customize[index]} for {index}.");
+
+        return (current, custom!.Value);
+    }
+}