Dynamically display preview workspace numbers

#gh-2116

src/intellihide.js

@@ -20,7 +20,6 @@ import Meta from 'gi://Meta'
 import Shell from 'gi://Shell'
 import St from 'gi://St'
 
-import * as GrabHelper from 'resource:///org/gnome/shell/ui/grabHelper.js'
 import * as Layout from 'resource:///org/gnome/shell/ui/layout.js'
 import * as Main from 'resource:///org/gnome/shell/ui/main.js'
 import * as OverviewControls from 'resource:///org/gnome/shell/ui/overviewControls.js'
@@ -426,11 +425,9 @@ export const Intellihide = class {
   }
 
   _checkIfGrab() {
-    let isGrab
     let grabActor = global.stage.get_grab_actor()
     let sourceActor = grabActor?._sourceActor || grabActor
-
-    isGrab =
+    let isGrab =
       sourceActor &&
       (sourceActor == Main.layoutManager.dummyCursor ||
         this._dtpPanel.statusArea.quickSettings?.menu.actor.contains(

src/windowPreview.js

@@ -69,6 +69,7 @@ export const PreviewMenu = GObject.registerClass(
       this.currentAppIcon = null
       this._focusedPreview = null
       this._peekedWindow = null
+      this._displayWorkspaces = false
       this.allowCloseWindow = true
       this.peekInitialWorkspaceIndex = -1
       this.opened = false
@@ -308,6 +309,10 @@ export const PreviewMenu = GObject.registerClass(
       return this.currentAppIcon
     }
 
+    shouldDisplayWorkspaceNumbers() {
+      return this._displayWorkspaces
+    }
+
     _setReactive(reactive) {
       this._box.get_children().forEach((c) => (c.reactive = reactive))
       this.menu.reactive = reactive
@@ -345,6 +350,8 @@ export const PreviewMenu = GObject.registerClass(
       let currentPreviews = this._box.get_children()
       let l = Math.max(windows.length, currentPreviews.length)
 
+      this._setShouldDisplayWorkspaces(windows)
+
       for (let i = 0; i < l; ++i) {
         if (currentPreviews[i] && windows[i]) {
           currentPreviews[i].assignWindow(windows[i], this.opened)
@@ -390,6 +397,19 @@ export const PreviewMenu = GObject.registerClass(
       preview.assignWindow(window, this.opened)
     }
 
+    _setShouldDisplayWorkspaces(windows) {
+      if (SETTINGS.get_boolean('isolate-workspaces'))
+        return (this._displayWorkspaces = false)
+
+      let workspaces = {
+        [Utils.getCurrentWorkspace().index()]: 1,
+      }
+
+      windows.forEach((w) => (workspaces[w.get_workspace().index()] = 1))
+
+      this._displayWorkspaces = Object.keys(workspaces).length > 1
+    }
+
     _addCloseTimeout() {
       this._timeoutsHandler.add([
         T2,
@@ -1179,7 +1199,7 @@ export const Preview = GObject.registerClass(
         this._iconBin.destroy_all_children()
         this._iconBin.add_child(icon)
 
-        if (!SETTINGS.get_boolean('isolate-workspaces')) {
+        if (this._previewMenu.shouldDisplayWorkspaceNumbers()) {
           workspaceIndex = (this.window.get_workspace().index() + 1).toString()
           workspaceStyle =
             'margin: 0 4px 0 ' +