improve cv2

package.json

@@ -43,6 +43,7 @@
     "@codemirror/view": "^6.38.1",
     "@fontsource-variable/material-symbols-rounded": "^5.2.17",
     "@fontsource-variable/noto-sans-mono": "^5.2.7",
+    "@lezer/common": "^1.4.0",
     "@lezer/generator": "^1.8.0",
     "@lezer/highlight": "^1.2.1",
     "@lezer/lr": "^1.4.5",

pnpm-lock.yaml

@@ -35,6 +35,9 @@ importers:
       '@fontsource-variable/noto-sans-mono':
         specifier: ^5.2.7
         version: 5.2.7
+      '@lezer/common':
+        specifier: ^1.4.0
+        version: 1.4.0
       '@lezer/generator':
         specifier: ^1.8.0
         version: 1.8.0
@@ -1084,8 +1087,8 @@ packages:
   '@keyv/serialize@1.1.0':
     resolution: {integrity: sha512-RlDgexML7Z63Q8BSaqhXdCYNBy/JQnqYIwxofUrNLGCblOMHp+xux2Q8nLMLlPpgHQPoU0Do8Z6btCpRBEqZ8g==}
 
-  '@lezer/common@1.2.1':
+  '@lezer/common@1.4.0':
-    resolution: {integrity: sha512-yemX0ZD2xS/73llMZIK6KplkjIjf2EvAHcinDi/TfJ9hS25G0388+ClHt6/3but0oOxinTcQHJLDXh6w1crzFQ==}
+    resolution: {integrity: sha512-DVeMRoGrgn/k45oQNu189BoW4SZwgZFzJ1+1TV5j2NJ/KFC83oa/enRqZSGshyeMk5cPWMhsKs9nx+8o0unwGg==}
 
   '@lezer/generator@1.8.0':
     resolution: {integrity: sha512-/SF4EDWowPqV1jOgoGSGTIFsE7Ezdr7ZYxyihl5eMKVO5tlnpIhFcDavgm1hHY5GEonoOAEnJ0CU0x+tvuAuUg==}
@@ -5148,14 +5151,14 @@ snapshots:
       '@codemirror/language': 6.11.2
       '@codemirror/state': 6.5.2
       '@codemirror/view': 6.38.1
-      '@lezer/common': 1.2.1
+      '@lezer/common': 1.4.0
 
   '@codemirror/commands@6.8.1':
     dependencies:
       '@codemirror/language': 6.11.2
       '@codemirror/state': 6.5.2
       '@codemirror/view': 6.38.1
-      '@lezer/common': 1.2.1
+      '@lezer/common': 1.4.0
 
   '@codemirror/lang-javascript@6.2.4':
     dependencies:
@@ -5164,14 +5167,14 @@ snapshots:
       '@codemirror/lint': 6.8.1
       '@codemirror/state': 6.5.2
       '@codemirror/view': 6.38.1
-      '@lezer/common': 1.2.1
+      '@lezer/common': 1.4.0
       '@lezer/javascript': 1.4.17
 
   '@codemirror/language@6.11.2':
     dependencies:
       '@codemirror/state': 6.5.2
       '@codemirror/view': 6.38.1
-      '@lezer/common': 1.2.1
+      '@lezer/common': 1.4.0
       '@lezer/highlight': 1.2.1
       '@lezer/lr': 1.4.5
       style-mod: 4.1.2
@@ -5407,26 +5410,26 @@ snapshots:
 
   '@keyv/serialize@1.1.0': {}
 
-  '@lezer/common@1.2.1': {}
+  '@lezer/common@1.4.0': {}
 
   '@lezer/generator@1.8.0':
     dependencies:
-      '@lezer/common': 1.2.1
+      '@lezer/common': 1.4.0
       '@lezer/lr': 1.4.5
 
   '@lezer/highlight@1.2.1':
     dependencies:
-      '@lezer/common': 1.2.1
+      '@lezer/common': 1.4.0
 
   '@lezer/javascript@1.4.17':
     dependencies:
-      '@lezer/common': 1.2.1
+      '@lezer/common': 1.4.0
       '@lezer/highlight': 1.2.1
       '@lezer/lr': 1.4.5
 
   '@lezer/lr@1.4.5':
     dependencies:
-      '@lezer/common': 1.2.1
+      '@lezer/common': 1.4.0
 
   '@marijn/find-cluster-break@1.0.2': {}
 

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>

src/lib/chord-editor/action-plugin.ts

@@ -11,19 +11,12 @@ import { syntaxTree } from "@codemirror/language";
 import type { Range } from "@codemirror/state";
 
 export class ActionWidget extends WidgetType {
-  component: {};
+  component?: {};
-  element: HTMLElement;
+  element?: HTMLElement;
 
   constructor(readonly id: string | number) {
     super();
     this.id = id;
-    this.element = document.createElement("span");
-    this.element.style.paddingInline = "2px";
-
-    this.component = mount(Action, {
-      target: this.element,
-      props: { action: id, display: "keys" },
-    });
   }
 
   override eq(other: ActionWidget) {
@@ -31,6 +24,15 @@ export class ActionWidget extends WidgetType {
   }
 
   toDOM() {
+    if (!this.element) {
+      this.element = document.createElement("span");
+      this.element.style.paddingInline = "2px";
+
+      this.component = mount(Action, {
+        target: this.element,
+        props: { action: this.id, display: "keys", inText: true },
+      });
+    }
     return this.element;
   }
 
@@ -39,7 +41,9 @@ export class ActionWidget extends WidgetType {
   }
 
   override destroy() {
-    unmount(this.component);
+    if (this.component) {
+      unmount(this.component);
+    }
   }
 }
 

src/lib/chord-editor/chord-delim-plugin.ts

@@ -7,29 +7,71 @@ import {
 } from "@codemirror/view";
 import { syntaxTree } from "@codemirror/language";
 import type { Range } from "@codemirror/state";
+import { mount, unmount } from "svelte";
+import Action from "../components/Action.svelte";
+import type { SyntaxNodeRef } from "@lezer/common";
+import classNames from "./concatenator-button.module.scss";
 
 export class DelimWidget extends WidgetType {
-  constructor() {
+  component?: {};
+  element?: HTMLElement;
+
+  constructor(readonly hasConcatenator: boolean) {
     super();
   }
 
   override eq(other: DelimWidget) {
-    return true;
+    return this.hasConcatenator == other.hasConcatenator;
   }
 
   toDOM() {
-    const element = document.createElement("span");
+    if (!this.element) {
-    element.innerHTML = " ⇛ ";
+      this.element = document.createElement("span");
-    element.style.scale = "1.8";
+      this.element.innerHTML =
-    element.style.opacity = "0.5";
+        " ⇛" + (this.hasConcatenator ? "" : " ");
-    return element;
+      this.element.style.scale = "1.8";
+      this.element.style.color =
+        "color-mix(in srgb, currentColor 50%, transparent)";
+
+      if (this.hasConcatenator) {
+        const button = document.createElement("button");
+        button.className = classNames["concatenator-button"]!;
+        this.component = mount(Action, {
+          target: button,
+          props: { action: 574, display: "keys", inText: true, ghost: true },
+        });
+        this.element.appendChild(button);
+      }
+    }
+    return this.element;
   }
 
   override ignoreEvent() {
     return false;
   }
 
-  override destroy() {}
+  override destroy() {
+    if (this.component) {
+      unmount(this.component);
+    }
+  }
+}
+
+function getJoinNode(
+  view: EditorView,
+  phraseDelimNode: SyntaxNodeRef,
+): SyntaxNodeRef | null | undefined {
+  const firstPhraseAction = phraseDelimNode.node.nextSibling
+    ?.getChild("ActionString")
+    ?.node.firstChild?.node.getChild("ExplicitAction");
+  const idNode = firstPhraseAction?.node.getChild("ActionId");
+  const actionId = idNode
+    ? view.state.doc.sliceString(idNode.from, idNode.to)
+    : null;
+  const isJoinAction =
+    actionId === "JOIN" &&
+    !!firstPhraseAction!.node.getChild("ExplicitDelimEnd");
+  return isJoinAction ? firstPhraseAction : null;
 }
 
 function actionWidgets(view: EditorView) {
@@ -40,8 +82,10 @@ function actionWidgets(view: EditorView) {
       to,
       enter: (node) => {
         if (node.name !== "PhraseDelim") return;
+        const joinNode = getJoinNode(view, node);
+
         let deco = Decoration.replace({
-          widget: new DelimWidget(),
+          widget: new DelimWidget(!joinNode),
         });
         widgets.push(deco.range(node.from, node.to));
       },
@@ -76,5 +120,38 @@ export const delimPlugin = ViewPlugin.fromClass(
         (view) => view.plugin(plugin)?.decorations ?? Decoration.none,
       );
     },
+    eventHandlers: {
+      click: (event, view) => {
+        if (!(event.target instanceof HTMLElement)) return;
+        if (
+          !(
+            event.target instanceof HTMLButtonElement ||
+            (event.target as HTMLElement).parentElement instanceof
+              HTMLButtonElement
+          )
+        )
+          return;
+
+        const chordNode = syntaxTree(view.state).resolve(
+          view.posAtDOM(event.target),
+        );
+        const delimNode = (
+          chordNode.name === "ActionString"
+            ? chordNode.parent?.parent
+            : chordNode
+        )?.getChild("PhraseDelim");
+        if (!delimNode) return;
+        const joinNode = getJoinNode(view, delimNode);
+        if (!event.target.checked && !joinNode) {
+          view.dispatch({
+            changes: {
+              from: delimNode.to,
+              insert: "<JOIN>",
+            },
+            selection: { anchor: delimNode.to + "<JOIN>".length },
+          });
+        }
+      },
+    },
   },
 );

src/lib/chord-editor/concatenator-button.module.scss

@@ -0,0 +1,13 @@
+.concatenator-button {
+  display: inline;
+  opacity: calc(var(--auto-space-show, 0) * 0.7);
+  margin: 0;
+  padding: 4px;
+  height: auto;
+
+  > :global(kbd) {
+    outline: 1px dashed var(--md-sys-color-outline);
+    outline-offset: -1px;
+    background: none;
+  }
+}

src/lib/components/Action.svelte

@@ -2,16 +2,17 @@
   import { KEYMAP_CODES, KEYMAP_IDS } from "$lib/serial/keymap-codes";
   import type { KeyInfo } from "$lib/serial/keymap-codes";
   import { osLayout } from "$lib/os-layout";
-  import { tooltip } from "$lib/hover-popover";
   import { isVerbose } from "./verbose-action";
   import { actionTooltip } from "$lib/title";
 
   let {
     action,
     display,
+    inText = false,
   }: {
     action: string | number | KeyInfo;
-    display: "inline-text" | "inline-keys" | "keys" | "verbose";
+    display: "inline-keys" | "keys" | "verbose";
+    inText?: boolean;
   } = $props();
 
   let retrievedInfo = $derived(
@@ -69,6 +70,7 @@
 {/snippet}
 {#snippet kbdSnippet(withPopover = true)}
   <kbd
+    class:in-text={inText}
     class:icon={!!info.icon}
     class:left={info.variant === "left"}
     class:right={info.variant === "right"}
@@ -83,7 +85,7 @@
   {#if !info.icon && dynamicMapping?.length === 1}
     <span
       {@attach hasPopover ? actionTooltip(popover) : null}
-      class:in-text={display === "inline-text"}
+      class:in-text={inText}
       class:error={info.code > 1023}
       class:warn={!retrievedInfo}
       class:left={info.variant === "left"}
@@ -92,7 +94,7 @@
   {:else if !info.icon && info.id?.length === 1}
     <span
       {@attach hasPopover ? actionTooltip(popover) : null}
-      class:in-text={display === "inline-text"}
+      class:in-text={inText}
       class:error={info.code > 1023}
       class:warn={!retrievedInfo}
       class:left={info.variant === "left"}
@@ -101,7 +103,7 @@
   {:else}
     <kbd
       class="inline-kbd"
-      class:in-text={display === "inline-text"}
+      class:in-text={inText}
       class:left={info.variant === "left"}
       class:right={info.variant === "right"}
       class:icon={!!info.icon}

src/routes/(app)/config/chords/ChordPhraseEdit.svelte

@@ -12,6 +12,7 @@
   import { action, actionTooltip } from "$lib/title";
   import semverGte from "semver/functions/gte";
   import Action from "$lib/components/Action.svelte";
+  import AutospaceSelector from "$lib/chord-editor/AutospaceSelector.svelte";
 
   let { chord }: { chord: ChordInfo } = $props();
 
@@ -208,36 +209,27 @@
   }}
 >
   {#if supportsAutospace}
-    {#snippet tooltip()}
+    <AutospaceSelector
-      {#if chord.phrase[0] === JOIN_ACTION}
+      variant="start"
-        <b>Remove</b> preceding space
+      value={chord.phrase[0] === JOIN_ACTION}
-      {:else}
+      onchange={async (event) => {
-        <b>Keep</b> preceding space
+        const autospace = hasAutospace;
-      {/if}
+        if ((event.target as HTMLInputElement).checked) {
-    {/snippet}
+          if (chord.phrase[0] === JOIN_ACTION) {
-    <label class="auto-space-edit" {@attach actionTooltip(tooltip)}
+            deleteAction(0, 1);
-      ><span class="icon">space_bar</span><input
+            await tick();
-        checked={chord.phrase[0] !== JOIN_ACTION}
+            moveCursor(cursorPosition - 1, true);
-        onchange={async (event) => {
-          const autospace = hasAutospace;
-          if ((event.target as HTMLInputElement).checked) {
-            if (chord.phrase[0] === JOIN_ACTION) {
-              deleteAction(0, 1);
-              await tick();
-              moveCursor(cursorPosition - 1, true);
-            }
-          } else {
-            if (chord.phrase[0] !== JOIN_ACTION) {
-              insertAction(0, JOIN_ACTION);
-              moveCursor(cursorPosition + 1, true);
-            }
           }
-          await tick();
+        } else {
-          resolveAutospace(autospace);
+          if (chord.phrase[0] !== JOIN_ACTION) {
-        }}
+            insertAction(0, JOIN_ACTION);
-        type="checkbox"
+            moveCursor(cursorPosition + 1, true);
-      /></label
+          }
-    >
+        }
+        await tick();
+        resolveAutospace(autospace);
+      }}
+    />
   {/if}
   <div
     onkeydown={keypress}
@@ -268,21 +260,12 @@
     {/each}
   </div>
   {#if supportsAutospace}
-    {#snippet tooltip()}
+    <AutospaceSelector
-      {#if hasAutospace}
+      variant="end"
-        <b>Add</b> trailing space
+      value={!hasAutospace}
-      {:else}
+      onchange={(event) =>
-        <b>Don't add</b> trailing space
+        resolveAutospace((event.target as HTMLInputElement).checked)}
-      {/if}
+    />
-    {/snippet}
-    <label class="auto-space-edit" {@attach actionTooltip(tooltip)}
-      ><span class="icon">space_bar</span><input
-        checked={hasAutospace}
-        onchange={(event) =>
-          resolveAutospace((event.target as HTMLInputElement).checked)}
-        type="checkbox"
-      /></label
-    >
   {/if}
   <sup>•</sup>
 </div>
@@ -330,24 +313,6 @@
     }
   }
 
-  .auto-space-edit {
-    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: 0;
-    }
-  }
-
-  .wrapper:hover .auto-space-edit {
-    opacity: 1;
-  }
-
   .wrapper {
     display: flex;
 
@@ -380,8 +345,12 @@
       transition-duration: 250ms;
     }
 
-    &:hover::before {
+    &:hover {
-      opacity: 0.3;
+      --auto-space-show: 1;
+
+      &::before {
+        opacity: 0.3;
+      }
     }
 
     &:has(> :focus-within)::after {

src/routes/(app)/config/cv2/+page.svelte

@@ -26,15 +26,16 @@
   const showEdits = persistentWritable("chord-editor-show-edits", true);
   let originalDoc = $derived(
     $chords
-      .map(
+      .map((chord) => {
-        (chord) =>
+        return (
           chord.actions
             .filter((it) => it !== 0)
             .map((it) => actionToValue(it))
             .join("") +
           "=>" +
-          chord.phrase.map((it) => actionToValue(it)).join(""),
+          chord.phrase.map((it) => actionToValue(it)).join("")
-      )
+        );
+      })
       .join("\n"),
   );
   let editor: HTMLDivElement | undefined = $state(undefined);
@@ -175,6 +176,11 @@
       ) !important;
     }
 
+    :global(.cm-activeLine),
+    :global(.cm-line:hover) {
+      --auto-space-show: 1;
+    }
+
     :global(.cm-activeLine) {
       border-bottom: 1px solid var(--md-sys-color-surface-variant);
       /*background-color: color-mix(