ux v1.37.1: open-wall tool hover — default cursor, pointer + stretch preview near walls

- _openWallHit shared by click and hover; amber dashed preview of the
  stretch that would open, red solid when the click would close it;
  stage.wallhot drives the pointer cursor
- smoke_openwall_hover.mjs (9 checks); TESTING/CHANGELOG same-commit

custom_components/houseplan/const.py

@@ -11,7 +11,7 @@ PLANS_DIR = "houseplan/plans"  # relative to the HA configuration directory
 FILES_URL = "/houseplan_files/files"
 FILES_DIR = "houseplan/files"
 CONF_ADMIN_ONLY = "admin_only"
-VERSION = "1.37.0"
+VERSION = "1.37.1"
 
 DEFAULT_CONFIG: dict = {
     "spaces": [],

custom_components/houseplan/manifest.json

@@ -16,5 +16,5 @@
   "issue_tracker": "https://github.com/Matysh/houseplan-card/issues",
   "requirements": [],
   "single_config_entry": true,
-  "version": "1.37.0"
+  "version": "1.37.1"
 }

demo/smoke_openwall_hover.mjs

@@ -0,0 +1,36 @@
+import { launch } from './serve.mjs';
+const { page, browser } = await launch();
+const res = await page.evaluate(async () => {
+  const out = {};
+  const c = window.__card;
+  const sr = () => c.shadowRoot || c.renderRoot;
+  const stage = () => sr().querySelector('.stage');
+  c._setMode('plan'); c._tool = 'openwall'; await c.updateComplete;
+  const H = 1000 / (c._curSpaceCfg.aspect || 1);
+  // 1) без наведения: курсор default, превью нет
+  c._cursorPt = null; c.requestUpdate(); await c.updateComplete;
+  out.idleCursor = getComputedStyle(stage()).cursor === 'default';
+  out.noPreview = !sr().querySelector('.openwall-preview');
+  // 2) наведение на общую стену r1|r2 (x=550): pointer + янтарное превью
+  c._cursorPt = [550, 0.25 * H]; c.requestUpdate(); await c.updateComplete;
+  out.hotCursor = getComputedStyle(stage()).cursor === 'pointer';
+  const prev = sr().querySelectorAll('.openwall-preview');
+  out.previewShown = prev.length > 0;
+  out.previewAmber = prev.length ? !prev[0].classList.contains('willclose') : null;
+  // превью лежит на стене x=550
+  out.previewOnWall = prev.length ? Math.abs(Number(prev[0].getAttribute('x1')) - 550) < 0.5 : null;
+  // 3) наведение в центр комнаты: снова default, превью исчезло
+  c._cursorPt = [300, 150]; c.requestUpdate(); await c.updateComplete;
+  out.missCursor = getComputedStyle(stage()).cursor === 'default';
+  out.missNoPreview = !sr().querySelector('.openwall-preview');
+  // 4) открыть границу → навести снова: превью красное сплошное (клик закроет)
+  c._openWallClick([550, 0.25 * H]); await c.updateComplete;
+  c._cursorPt = [550, 0.25 * H]; c.requestUpdate(); await c.updateComplete;
+  const prev2 = sr().querySelector('.openwall-preview');
+  out.willclose = prev2?.classList.contains('willclose') === true;
+  // прибрать
+  c._openWallClick([550, 0.25 * H]); await c.updateComplete;
+  return out;
+});
+console.log(JSON.stringify(res, null, 1));
+await browser.close();

docs/CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## v1.37.1 — 2026-07-23
+- Open-boundary tool polish: the cursor stays default and only turns into a
+  pointer near a wall shared by two rooms; hovering previews the exact
+  stretch that would become open (amber dashed) — or red solid when the
+  boundary is already open and the click would close it.
+
 ## v1.37.0 — 2026-07-23 (open boundaries — virtual walls)
 - Rooms divided only by zoning can now share an **open boundary**: the new
   "Open boundary" tool in the Plan editor toggles it with a click on the wall

docs/TESTING.md

@@ -140,6 +140,11 @@ Run the *core flows* (marked ★ below) in each environment at least once per mi
       (explicit ripple color still wins); off/white lights unchanged [auto]
 - [ ] Alarm pulse (v1.27.0): leak/smoke/gas/CO/siren in 'on' pulse a red ring over any
       display mode; clears on 'off'; unavailable never alarms [auto]; reduced-motion static
+- [ ] Open-wall hover (v1.37.1): with the tool active the cursor is default;
+      near a shared wall it turns pointer and the exact stretch that would
+      open is previewed (amber dashed); an already-open boundary previews red
+      solid (the click will close it); preview follows the cursor and clears
+      on miss [auto]
 - [ ] Open boundaries (v1.37.0): the Plan editor's "Open boundary" tool
       toggles a virtual wall between two rooms by clicking their shared wall
       (pull like Split; miss → toast); open stretches render dashed (amber

package.json

@@ -1,6 +1,6 @@
 {
   "name": "houseplan-card",
-  "version": "1.37.0",
+  "version": "1.37.1",
   "description": "Interactive house plan Lovelace card for Home Assistant",
   "license": "MIT",
   "type": "module",

src/houseplan-card.ts

@@ -32,7 +32,7 @@ import './space-card';
 import { cardStyles } from './styles';
 import { langOf, t, type I18nKey } from './i18n';
 
-const CARD_VERSION = '1.37.0';
+const CARD_VERSION = '1.37.1';
 const LS_KEY = 'houseplan_card_layout_v1';
 const LS_CFG = 'houseplan_card_cfg_v1'; // cache of the server config+layout for instant rendering
 const LS_ZOOM = 'houseplan_card_zoom_v1';
@@ -1598,14 +1598,26 @@ class HouseplanCard extends LitElement {
     </div>`;
   }
 
+  /** Boundary under the cursor in the open-wall tool (hover preview). */
+  private get _openWallHover(): { segs: number[][]; open: boolean } | null {
+    if (!this._markup || this._tool !== 'openwall' || !this._cursorPt) return null;
+    const hit = this._openWallHit(this._cursorPt);
+    return hit ? { segs: hit.segs, open: hit.open } : null;
+  }
+
   /** Dashed strokes over open (virtual) boundaries; highlighted in the tool. */
   private _renderOpenWalls(): TemplateResult {
     const pairs = this._openPairs();
-    if (!pairs.length) return svg`` as unknown as TemplateResult;
+    const hover = this._openWallHover;
+    if (!pairs.length && !hover) return svg`` as unknown as TemplateResult;
     const hot = this._markup && this._tool === 'openwall';
     return svg`<g class="openwalls ${hot ? 'hot' : ''}">
       ${pairs.flatMap((p) => p.segs.map((sg) => svg`<line class="openwall"
         x1="${sg[0]}" y1="${sg[1]}" x2="${sg[2]}" y2="${sg[3]}"></line>`))}
+      ${hover
+        ? hover.segs.map((sg) => svg`<line class="openwall-preview ${hover.open ? 'willclose' : ''}"
+            x1="${sg[0]}" y1="${sg[1]}" x2="${sg[2]}" y2="${sg[3]}"></line>`)
+        : nothing}
     </g>` as unknown as TemplateResult;
   }
 
@@ -1626,11 +1638,11 @@ class HouseplanCard extends LitElement {
     return res;
   }
 
-  /** Open-boundary tool: a click on a shared wall toggles its "virtual" state. */
-  private _openWallClick(raw: number[]): void {
+  /** The shared boundary nearest to the cursor (both the tool's click and hover). */
+  private _openWallHit(raw: number[]): { a: RoomCfg; b: RoomCfg; segs: number[][]; open: boolean } | null {
     const rooms = this._spaceModel().rooms.filter((r) => r.id);
     const pull = this._gridPitch * 6;
-    let best: { a: RoomCfg; b: RoomCfg; d: number } | null = null;
+    let best: { a: RoomCfg; b: RoomCfg; segs: number[][]; d: number } | null = null;
     for (let i = 0; i < rooms.length; i++)
       for (let j = i + 1; j < rooms.length; j++) {
         const pa = roomPoly(rooms[i]), pb = roomPoly(rooms[j]);
@@ -1638,16 +1650,25 @@ class HouseplanCard extends LitElement {
         const segs = sharedBoundary(pa, pb, this._gridPitch * 0.02);
         for (const seg of segs) {
           const d = distToSegment(raw, seg);
-          if (d <= pull && (!best || d < best.d)) best = { a: rooms[i], b: rooms[j], d };
+          if (d <= pull && (!best || d < best.d)) best = { a: rooms[i], b: rooms[j], segs, d };
         }
       }
+    if (!best) return null;
+    const open = (((best.a as any).open_to || []).includes(best.b.id))
+      || (((best.b as any).open_to || []).includes(best.a.id));
+    return { a: best.a, b: best.b, segs: best.segs, open };
+  }
+
+  /** Open-boundary tool: a click on a shared wall toggles its "virtual" state. */
+  private _openWallClick(raw: number[]): void {
+    const best = this._openWallHit(raw);
     if (!best) {
       this._showToast(this._t('toast.openwall_pick'));
       return;
     }
     const sp = this._curSpaceCfg;
-    const ra = sp.rooms.find((r: any) => r.id === best!.a.id);
-    const rb = sp.rooms.find((r: any) => r.id === best!.b.id);
+    const ra = sp.rooms.find((r: any) => r.id === best.a.id);
+    const rb = sp.rooms.find((r: any) => r.id === best.b.id);
     if (!ra || !rb) return;
     const linked = (ra.open_to || []).includes(rb.id) || (rb.open_to || []).includes(ra.id);
     if (linked) {
@@ -1925,8 +1946,8 @@ class HouseplanCard extends LitElement {
 
   private _markupMove(ev: MouseEvent): void {
     if (!this._markup) return;
-    if (this._tool === 'opening') {
-      // hover preview: where the opening would land (raw point, wall-snapped later)
+    if (this._tool === 'opening' || this._tool === 'openwall') {
+      // hover preview: raw cursor point; snapping happens in the preview getters
       this._cursorPt = this._svgPoint(ev);
       return;
     }
@@ -3077,7 +3098,7 @@ class HouseplanCard extends LitElement {
         ${this._markup ? this._renderMarkupBar() : this._mode === 'devices' ? this._renderDevicesBar() : this._mode === 'decor' ? this._renderDecorBar() : nothing}
         </div>
 
-        <div class="stage ${this._markup ? 'markup tool-' + this._tool + (this._tool === 'split' && !this._splitSel ? ' pickstage' : '') : ''} ${this._mode === 'decor' ? 'dtool-' + this._decorTool : ''} ${space.bg ? '' : 'noplan'} mode-${this._mode}"
+        <div class="stage ${this._markup ? 'markup tool-' + this._tool + (this._tool === 'split' && !this._splitSel ? ' pickstage' : '') + (this._tool === 'openwall' && this._openWallHover ? ' wallhot' : '') : ''} ${this._mode === 'decor' ? 'dtool-' + this._decorTool : ''} ${space.bg ? '' : 'noplan'} mode-${this._mode}"
           style="height:calc(100dvh - 118px)"
           @click=${(e: MouseEvent) => this._markupClick(e)}
           @wheel=${(e: WheelEvent) => this._onWheel(e)}

src/styles.ts

@@ -538,10 +538,12 @@ export const cardStyles = css`
     /* room-picking stages: merge (both clicks) and split before a room is chosen */
     .stage.markup.tool-merge,
     .stage.markup.tool-split.pickstage,
-    .stage.markup.tool-openwall,
     .stage.markup.tool-delroom {
       cursor: pointer;
     }
+    /* open-wall tool: default until a shared wall is under the cursor */
+    .stage.markup.tool-openwall { cursor: default; }
+    .stage.markup.tool-openwall.wallhot { cursor: pointer; }
     .openwall {
       stroke: var(--card-background-color, var(--hp-bg, #fff));
       stroke-width: 3.2;
@@ -553,6 +555,19 @@ export const cardStyles = css`
       stroke: #ffc14d;
       opacity: 1;
     }
+    .openwall-preview {
+      stroke: #ffc14d;
+      stroke-width: 5;
+      stroke-dasharray: 7 7;
+      stroke-linecap: round;
+      pointer-events: none;
+      opacity: 0.95;
+    }
+    /* an already-open boundary under the cursor: the click will CLOSE it */
+    .openwall-preview.willclose {
+      stroke: #f25a4a;
+      stroke-dasharray: none;
+    }
     .stage.markup .room {
       pointer-events: none;
     }