improve cv2

src/lib/chord-editor/AutospaceSelector.svelte

@@ -0,0 +1,54 @@
+<script lang="ts">
+  import { actionTooltip } from "$lib/title";
+
+  let {
+    onchange,
+    value,
+    variant,
+  }: {
+    value: boolean;
+    variant: "start" | "end";
+    onchange: (
+      event: Event & { currentTarget: EventTarget & HTMLInputElement },
+    ) => void;
+  } = $props();
+</script>
+
+{#snippet tooltip()}
+  {#if value}
+    {#if variant === "start"}
+      <b>Remove</b> preceding space
+    {:else}
+      <b>Add</b> trailing space
+    {/if}
+  {:else if variant === "start"}
+    <b>Keep</b> preceding space
+  {:else}
+    <b>Add</b> trailing space
+  {/if}
+{/snippet}
+<label class="autospace" {@attach actionTooltip(tooltip)}
+  ><span class="icon">space_bar</span><input
+    checked={!value}
+    {onchange}
+    type="checkbox"
+  /></label
+>
+
+<style lang="scss">
+  label.autospace {
+    display: inline-flex;
+    vertical-align: middle;
+    margin-inline: 8px;
+    border-radius: 4px;
+    background: var(--md-sys-color-tertiary-container);
+    padding-inline: 0;
+    height: 1em;
+    color: var(--md-sys-color-on-tertiary-container);
+    font-size: 1.3em;
+
+    &:has(:checked) {
+      opacity: var(--auto-space-show, 0);
+    }
+  }
+</style>