From 64d75b9686c494075223a0a318297fe59ec99e81 Mon Sep 17 00:00:00 2001
From: Max Richter <max.richter@dynabase.de>
Date: Mon, 9 Feb 2026 15:26:18 +0100
Subject: [PATCH] feat(ui): add InputColor and custom theme

---
 app/src/lib/graph-interface/edges/Edge.svelte |  8 +-
 app/src/lib/graph-interface/node/Node.svelte  |  2 +-
 .../graph-interface/node/NodeHeader.svelte    |  8 +-
 packages/ui/src/lib/Input.svelte              | 18 +++-
 packages/ui/src/lib/app.css                   |  8 +-
 packages/ui/src/lib/index.ts                  |  1 +
 packages/ui/src/lib/inputs/InputColor.svelte  | 85 +++++++++++++++++++
 packages/ui/src/routes/+page.svelte           | 56 +++---------
 packages/ui/src/routes/Theme.svelte           | 80 +++++++++++++++++
 packages/ui/src/routes/ThemeSelector.svelte   | 27 ++++++
 10 files changed, 234 insertions(+), 59 deletions(-)
 create mode 100644 packages/ui/src/lib/inputs/InputColor.svelte
 create mode 100644 packages/ui/src/routes/Theme.svelte
 create mode 100644 packages/ui/src/routes/ThemeSelector.svelte

diff --git a/app/src/lib/graph-interface/edges/Edge.svelte b/app/src/lib/graph-interface/edges/Edge.svelte
index db7a1f9..fe58df3 100644
--- a/app/src/lib/graph-interface/edges/Edge.svelte
+++ b/app/src/lib/graph-interface/edges/Edge.svelte
@@ -2,19 +2,19 @@
   import { colors } from '../graph/colors.svelte';
 
   const circleMaterial = new MeshBasicMaterial({
-    color: colors.connection.clone(),
+    color: colors.outline.clone(),
     toneMapped: false
   });
 
-  let lineColor = $state(colors.connection.clone().convertSRGBToLinear());
+  let lineColor = $state(colors.outline.clone().convertSRGBToLinear());
 
   $effect.root(() => {
     $effect(() => {
       if (appSettings.value.theme === undefined) {
         return;
       }
-      circleMaterial.color = colors.connection.clone().convertSRGBToLinear();
-      lineColor = colors.connection.clone().convertSRGBToLinear();
+      circleMaterial.color = colors.outline.clone().convertSRGBToLinear();
+      lineColor = colors.outline.clone().convertSRGBToLinear();
     });
   });
 
diff --git a/app/src/lib/graph-interface/node/Node.svelte b/app/src/lib/graph-interface/node/Node.svelte
index 5fdf383..8aa2fd3 100644
--- a/app/src/lib/graph-interface/node/Node.svelte
+++ b/app/src/lib/graph-interface/node/Node.svelte
@@ -57,7 +57,7 @@
     uniforms={{
       uColorBright: { value: colors['layer-2'] },
       uColorDark: { value: colors['layer-1'] },
-      uStrokeColor: { value: colors.outline.clone() },
+      uStrokeColor: { value: colors['layer-2'] },
       uStrokeWidth: { value: 1.0 },
       uWidth: { value: 20 },
       uHeight: { value: height }
diff --git a/app/src/lib/graph-interface/node/NodeHeader.svelte b/app/src/lib/graph-interface/node/NodeHeader.svelte
index a773ba0..af24f2f 100644
--- a/app/src/lib/graph-interface/node/NodeHeader.svelte
+++ b/app/src/lib/graph-interface/node/NodeHeader.svelte
@@ -87,8 +87,6 @@
     width: 30px;
     z-index: 100;
     border-radius: 50%;
-    /* background: red; */
-    /* opacity: 0.2; */
   }
 
   .click-target:hover + svg path {
@@ -108,8 +106,10 @@
 
   svg path {
     stroke-width: 0.2px;
-    transition: d 0.3s ease, fill 0.3s ease;
-    fill: var(--color-layer-2);
+    transition:
+      d 0.3s ease,
+      fill 0.3s ease;
+    fill: var(--color-outline);
     stroke: var(--stroke);
     stroke-width: var(--stroke-width);
     d: var(--path);
diff --git a/packages/ui/src/lib/Input.svelte b/packages/ui/src/lib/Input.svelte
index b16490f..804eb3a 100644
--- a/packages/ui/src/lib/Input.svelte
+++ b/packages/ui/src/lib/Input.svelte
@@ -1,7 +1,14 @@
 <script lang="ts">
   import type { NodeInput } from '@nodarium/types';
 
-  import { InputCheckbox, InputNumber, InputSelect, InputShape, InputVec3 } from './index';
+  import {
+    InputCheckbox,
+    InputColor,
+    InputNumber,
+    InputSelect,
+    InputShape,
+    InputVec3
+  } from './index';
 
   interface Props {
     input: NodeInput;
@@ -21,8 +28,15 @@
   />
 {:else if input.type === 'shape'}
   <InputShape bind:value={value as number[]} />
+{:else if input.type === 'color'}
+  <InputColor bind:value={value as number[]} />
 {:else if input.type === 'integer'}
-  <InputNumber bind:value={value as number} min={input?.min} max={input?.max} step={1} />
+  <InputNumber
+    bind:value={value as number}
+    min={input?.min}
+    max={input?.max}
+    step={1}
+  />
 {:else if input.type === 'boolean'}
   <InputCheckbox bind:value={value as boolean} {id} />
 {:else if input.type === 'select'}
diff --git a/packages/ui/src/lib/app.css b/packages/ui/src/lib/app.css
index c35d7aa..de1ae02 100644
--- a/packages/ui/src/lib/app.css
+++ b/packages/ui/src/lib/app.css
@@ -140,12 +140,12 @@ html.theme-catppuccin {
 }
 
 html.theme-high-contrast {
-  --color-text: #ffffff;
+  --color-text: white;
   --color-outline: white;
-  --color-layer-0: #000000;
+  --color-layer-0: black;
   --color-layer-1: black;
-  --color-layer-2: #222222;
-  --color-layer-3: #ffffff;
+  --color-layer-2: #ababab;
+  --color-layer-3: white;
   --color-connection: #fff;
 }
 
diff --git a/packages/ui/src/lib/index.ts b/packages/ui/src/lib/index.ts
index 35a1478..9a51c8b 100644
--- a/packages/ui/src/lib/index.ts
+++ b/packages/ui/src/lib/index.ts
@@ -1,5 +1,6 @@
 export { default as Input } from './Input.svelte';
 export { default as InputCheckbox } from './inputs/InputCheckbox.svelte';
+export { default as InputColor } from './inputs/InputColor.svelte';
 export { default as InputNumber } from './inputs/InputNumber.svelte';
 export { default as InputSelect } from './inputs/InputSelect.svelte';
 export { default as InputShape } from './inputs/InputShape.svelte';
diff --git a/packages/ui/src/lib/inputs/InputColor.svelte b/packages/ui/src/lib/inputs/InputColor.svelte
new file mode 100644
index 0000000..40ca507
--- /dev/null
+++ b/packages/ui/src/lib/inputs/InputColor.svelte
@@ -0,0 +1,85 @@
+<script lang="ts">
+  interface Props {
+    value?: [number, number, number];
+    id?: string;
+  }
+
+  let {
+    value = $bindable([255, 255, 255] as [number, number, number]),
+    id
+  }: Props = $props();
+
+  let hexValue = $derived(
+    `#${value.map((c) => c.toString(16).padStart(2, '0')).join('')}`
+  );
+
+  let rValue = $state(value[0]);
+  let gValue = $state(value[1]);
+  let bValue = $state(value[2]);
+
+  $effect(() => {
+    rValue = value[0];
+    gValue = value[1];
+    bValue = value[2];
+  });
+
+  function handleHexInput(e: Event) {
+    const target = e.target as HTMLInputElement;
+    let val = target.value.replace(/[^0-9a-fA-F]/g, '');
+    if (val.length > 6) val = val.slice(0, 6);
+    if (val.length === 3) {
+      val = val
+        .split('')
+        .map((c) => c + c)
+        .join('');
+    }
+    if (val.length === 6) {
+      value = [
+        parseInt(val.slice(0, 2), 16),
+        parseInt(val.slice(2, 4), 16),
+        parseInt(val.slice(4, 6), 16)
+      ] as [number, number, number];
+    }
+  }
+
+  function handleHexBlur() {
+    rValue = value[0];
+    gValue = value[1];
+    bValue = value[2];
+  }
+</script>
+
+<div class="flex overflow-hidden rounded-sm border border-outline bg-layer-2 w-min">
+  <label
+    class="-ml-px w-8 shrink-0 overflow-hidden"
+    style={`background-color: ${hexValue}`}
+  >
+    <input
+      type="color"
+      bind:value={hexValue}
+      {id}
+      oninput={handleHexInput}
+      class="h-full w-8 cursor-pointer appearance-none p-0"
+    />
+  </label>
+  <div class="flex items-center gap-1 px-2 py-1">
+    <span class="pointer-events-none text-text opacity-30">#</span>
+    <input
+      type="text"
+      value={hexValue.slice(1)}
+      {id}
+      oninput={handleHexInput}
+      onblur={handleHexBlur}
+      maxlength={6}
+      class="w-15 bg-transparent text-text outline-none"
+    />
+  </div>
+</div>
+
+<style>
+  input[type="color"] {
+    margin-top: -1px;
+    margin-right: -1px;
+    height: calc(100% + 2px);
+  }
+</style>
diff --git a/packages/ui/src/routes/+page.svelte b/packages/ui/src/routes/+page.svelte
index 3ed1faf..8d32719 100644
--- a/packages/ui/src/routes/+page.svelte
+++ b/packages/ui/src/routes/+page.svelte
@@ -3,6 +3,7 @@
   import {
     Details,
     InputCheckbox,
+    InputColor,
     InputNumber,
     InputSelect,
     InputShape,
@@ -10,6 +11,8 @@
     ShortCut
   } from '$lib';
   import Section from './Section.svelte';
+  import Theme from './Theme.svelte';
+  import ThemeSelector from './ThemeSelector.svelte';
 
   let intValue = $state(0);
   let floatValue = $state(0.2);
@@ -19,61 +22,22 @@
   let selectValue = $state(0);
   const d = $derived(options[selectValue]);
   let checked = $state(false);
+  let colorValue = $state<[number, number, number]>([59, 130, 246]);
   let mirrorShape = $state(true);
   let detailsOpen = $state(false);
 
   let points = $state([]);
-
-  const themes = [
-    'dark',
-    'light',
-    'solarized',
-    'catppuccin',
-    'high-contrast',
-    'nord',
-    'dracula'
-  ];
-  let themeIndex = $state(0);
-  $effect(() => {
-    const classList = document.documentElement.classList;
-    for (const c of classList) {
-      if (c.startsWith('theme-')) document.documentElement.classList.remove(c);
-    }
-    document.documentElement.classList.add(`theme-${themes[themeIndex]}`);
-  });
-
-  const colors = [
-    'layer-0',
-    'layer-1',
-    'layer-2',
-    'layer-3',
-    'active',
-    'selected',
-    'outline',
-    'connection',
-    'text'
-  ];
+  let theme = $state('dark');
 </script>
 
 <main class="flex flex-col gap-8 py-8">
   <div class="flex gap-4">
     <h1 class="text-4xl">@nodarium/ui</h1>
-    <InputSelect bind:value={themeIndex} options={themes}></InputSelect>
+    <ThemeSelector bind:theme />
   </div>
 
-  <Section title="Colors">
-    <table>
-      <tbody>
-        {#each colors as color (color)}
-          <tr>
-            <td>
-              <div class="w-6 h-6 mr-2 my-1 rounded-sm outline-1 bg-{color}"></div>
-            </td>
-            <td>{color}</td>
-          </tr>
-        {/each}
-      </tbody>
-    </table>
+  <Section title="InputNumber">
+    <Theme theme />
   </Section>
 
   <Section title="InputNumber">
@@ -99,6 +63,10 @@
     <InputCheckbox bind:value={checked} />
   </Section>
 
+  <Section title="Color" value={colorValue}>
+    <InputColor bind:value={colorValue} />
+  </Section>
+
   <Section title="Shape">
     {#snippet header()}
       <label class="flex gap-2">
diff --git a/packages/ui/src/routes/Theme.svelte b/packages/ui/src/routes/Theme.svelte
new file mode 100644
index 0000000..ae91532
--- /dev/null
+++ b/packages/ui/src/routes/Theme.svelte
@@ -0,0 +1,80 @@
+<script lang="ts">
+  import { InputColor } from '$lib';
+
+  interface Props {
+    theme?: string;
+  }
+
+  let { theme }: Props = $props();
+
+  const colors = [
+    'layer-0',
+    'layer-1',
+    'layer-2',
+    'layer-3',
+    'active',
+    'selected',
+    'outline',
+    'connection',
+    'text'
+  ];
+
+  let customColors = $state<CustomColors>({
+    text: [205, 214, 244],
+    outline: [62, 62, 79],
+    'layer-0': [6, 6, 27],
+    'layer-1': [23, 23, 46],
+    'layer-2': [49, 50, 68],
+    'layer-3': [168, 170, 200],
+    active: [0, 0, 0],
+    selected: [38, 139, 210],
+    connection: [131, 148, 150]
+  });
+
+  const themeCss = $derived.by(() => {
+    return `<style>html.theme-custom{
+  ${
+      Object.keys(customColors)
+        .map((v) => {
+          return `--color-${v}: rgb(${customColors[v].join(',')});`;
+        })
+        .join('\n')
+    }</style>`;
+  });
+</script>
+
+<svelte:head>
+  {@html themeCss}
+</svelte:head>
+
+<table>
+  <thead>
+    <tr>
+      <th>Color</th>
+      <th>Name</th>
+      <th>Custom</th>
+    </tr>
+  </thead>
+  <tbody>
+    {#each colors as color (color)}
+      <tr>
+        <td>
+          <div class="w-6 h-6 mr-2 my-1 rounded-sm outline-1 bg-{color}"></div>
+        </td>
+        <td>{color}</td>
+        <td>
+          <InputColor bind:value={customColors[color]} />
+        </td>
+      </tr>
+    {/each}
+  </tbody>
+</table>
+
+<style>
+  table {
+    border-spacing: 5px;
+    border-collapse: separate;
+    text-align: left;
+    margin-left: 5px;
+  }
+</style>
diff --git a/packages/ui/src/routes/ThemeSelector.svelte b/packages/ui/src/routes/ThemeSelector.svelte
new file mode 100644
index 0000000..26d8a39
--- /dev/null
+++ b/packages/ui/src/routes/ThemeSelector.svelte
@@ -0,0 +1,27 @@
+<script lang="ts">
+  import { InputSelect } from '$lib';
+  const themes = [
+    'dark',
+    'light',
+    'solarized',
+    'catppuccin',
+    'high-contrast',
+    'nord',
+    'dracula',
+    'custom'
+  ];
+
+  let { theme = $bindable() } = $props();
+
+  let themeIndex = $state(0);
+  $effect(() => {
+    theme = themes[themeIndex];
+    const classList = document.documentElement.classList;
+    for (const c of classList) {
+      if (c.startsWith('theme-')) document.documentElement.classList.remove(c);
+    }
+    document.documentElement.classList.add(`theme-${themes[themeIndex]}`);
+  });
+</script>
+
+<InputSelect bind:value={themeIndex} options={themes}></InputSelect>