Wrap device automation picker option labels instead of truncating (#53065)

src/components/device/ha-device-automation-picker.ts

@@ -1,3 +1,4 @@
+import type { RenderItemFunction } from "@lit-labs/virtualizer/virtualize";
 import { consume } from "@lit/context";
 import type { HassEntities } from "home-assistant-js-websocket";
 import type { PropertyValues } from "lit";
@@ -15,7 +16,12 @@ import {
 } from "../../data/device/device_automation";
 import type { EntityRegistryEntry } from "../../data/entity/entity_registry";
 import type { CallWS, HomeAssistant, ValueChangedEvent } from "../../types";
+import "../ha-combo-box-item";
 import "../ha-generic-picker";
+import {
+  DEFAULT_ROW_RENDERER_CONTENT,
+  type PickerComboBoxItem,
+} from "../ha-picker-combo-box";
 import type { PickerValueRenderer } from "../ha-picker-field";
 
 const NO_AUTOMATION_KEY = "NO_AUTOMATION";
@@ -105,6 +111,7 @@ export abstract class HaDeviceAutomationPicker<
       .disabled=${!this._automations || this._automations.length === 0}
       .getItems=${this._getItems(value, this._automations)}
       @value-changed=${this._automationChanged}
+      .rowRenderer=${this._rowRenderer}
       .valueRenderer=${this._valueRenderer}
       .unknownItemText=${this.hass.localize(
         "ui.panel.config.devices.automation.actions.unknown_action"
@@ -160,6 +167,13 @@ export abstract class HaDeviceAutomationPicker<
     }
   );
 
+  // Device automation labels (entity name + subtype) are often longer than the
+  // field, so let the option wrap onto multiple lines instead of truncating.
+  private _rowRenderer: RenderItemFunction<PickerComboBoxItem> = (item) =>
+    html`<ha-combo-box-item type="button" compact multiline>
+      ${DEFAULT_ROW_RENDERER_CONTENT(item)}
+    </ha-combo-box-item>`;
+
   private _valueRenderer: PickerValueRenderer = (value: string) => {
     const automation = this._automations?.find(
       (a, idx) => value === `${a.device_id}_${idx}`

src/components/ha-combo-box-item.ts

@@ -7,6 +7,11 @@ export class HaComboBoxItem extends HaMdListItem {
   @property({ type: Boolean, reflect: true, attribute: "border-top" })
   public borderTop = false;
 
+  // Allow the headline/supporting text to wrap onto multiple lines instead of
+  // truncating with an ellipsis. Off by default to preserve single-line rows.
+  @property({ type: Boolean, reflect: true })
+  public multiline = false;
+
   static override styles = [
     ...haMdListStyles,
     css`
@@ -41,6 +46,10 @@ export class HaComboBoxItem extends HaMdListItem {
         font-size: var(--ha-font-size-s);
         white-space: nowrap;
       }
+      :host([multiline]) [slot="headline"],
+      :host([multiline]) [slot="supporting-text"] {
+        white-space: normal;
+      }
       ::slotted(state-badge),
       ::slotted(img) {
         width: 32px;