Basic workspace overview (#2047)

* basic workspace overview

Signed-off-by: Jim Ehrismann <jehrismann@mirantis.com>

* css tweaks for landing page as a PageLayout

Signed-off-by: Jim Ehrismann <jehrismann@mirantis.com>

* address review comments

Signed-off-by: Jim Ehrismann <jehrismann@mirantis.com>

* more review comment addressing, added overview to workspace command palette

Signed-off-by: Jim Ehrismann <jehrismann@mirantis.com>

* added back the landing page startup hint

Signed-off-by: Jim Ehrismann <jehrismann@mirantis.com>

* refactoring as per review comments

Signed-off-by: Jim Ehrismann <jehrismann@mirantis.com>

* added original landing page back only for default workspace with no clusters

Signed-off-by: Jim Ehrismann <jehrismann@mirantis.com>

* Workspace overview layout tweaks (#2302)

* tweaks workspace overview layout

Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>

* cluster settings on top

Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>

* header logo for add cluster page

Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>

* tweak landing page

Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>

* combine left menu icons

Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>

* always show bottom status bar

Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>

* tweak

Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>

* integration test fixes

Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>

* change cluster menu

Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>

* first attempt to fix integration test

Signed-off-by: Jim Ehrismann <jehrismann@mirantis.com>

* lint

Signed-off-by: Jim Ehrismann <jehrismann@mirantis.com>

* get selectors right for integration test

Signed-off-by: Jim Ehrismann <jehrismann@miranits.com>

Co-authored-by: Jim Ehrismann <jehrismann@mirantis.com>
Co-authored-by: Jim Ehrismann <jehrismann@miranits.com>

* address review comments, and rebased to master

Signed-off-by: Jim Ehrismann <jehrismann@mirantis.com>

Co-authored-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>
Co-authored-by: Jim Ehrismann <jehrismann@miranits.com>

integration/__tests__/cluster-pages.tests.ts

@@ -25,6 +25,7 @@ describe("Lens cluster pages", () => {
     let clusterAdded = false;
     const addCluster = async () => {
       await utils.clickWhatsNew(app);
+      await utils.clickWelcomeNotification(app);
       await addMinikubeCluster(app);
       await waitForMinikubeDashboard(app);
       await app.client.click('a[href="/nodes"]');
@@ -345,7 +346,7 @@ describe("Lens cluster pages", () => {
         }
       });
 
-      it(`shows a logs for a pod`, async () => {
+      it(`shows a log for a pod`, async () => {
         expect(clusterAdded).toBe(true);
         // Go to Pods page
         await app.client.click(".sidebar-nav [data-test-id='workloads'] span.link-text");

integration/helpers/minikube.ts

@@ -39,7 +39,7 @@ export function minikubeReady(testNamespace: string): boolean {
 }
 
 export async function addMinikubeCluster(app: Application) {
-  await app.client.click("div.add-cluster");
+  await app.client.click("button.add-button");
   await app.client.waitUntilTextExists("div", "Select kubeconfig file");
   await app.client.click("div.Select__control"); // show the context drop-down list
   await app.client.waitUntilTextExists("div", "minikube");

integration/helpers/utils.ts

@@ -47,7 +47,17 @@ export async function appStart() {
 export async function clickWhatsNew(app: Application) {
   await app.client.waitUntilTextExists("h1", "What's new?");
   await app.client.click("button.primary");
-  await app.client.waitUntilTextExists("h1", "Welcome");
+  await app.client.waitUntilTextExists("h2", "default");
+}
+
+export async function clickWelcomeNotification(app: Application) {
+  const itemsText = await app.client.$("div.info-panel").getText();
+
+  if (itemsText === "0 item") {
+    // welcome notification should be present, dismiss it
+    await app.client.waitUntilTextExists("div.message", "Welcome!");
+    await app.client.click("i.Icon.close");
+  }
 }
 
 type AsyncPidGetter = () => Promise<number>;

src/main/cluster.ts

@@ -252,7 +252,7 @@ export class Cluster implements ClusterModel, ClusterState {
    * Kubernetes version
    */
   get version(): string {
-    return String(this.metadata?.version) || "";
+    return String(this.metadata?.version || "");
   }
 
   constructor(model: ClusterModel) {

src/renderer/components/+add-cluster/add-cluster.tsx

@@ -352,7 +352,7 @@ export class AddCluster extends React.Component {
 
     return (
       <DropFileInput onDropFiles={this.onDropKubeConfig}>
-        <PageLayout className="AddClusters" header={<h2>Add Clusters</h2>}>
+        <PageLayout className="AddClusters" header={<><Icon svg="logo-lens" big /> <h2>Add Clusters</h2></>} showOnTop={true}>
           <h2>Add Clusters from Kubeconfig</h2>
           {this.renderInfo()}
           {this.renderKubeConfigSource()}

src/renderer/components/+cluster-settings/cluster-settings.tsx

@@ -59,7 +59,7 @@ export class ClusterSettings extends React.Component<Props> {
     );
 
     return (
-      <PageLayout className="ClusterSettings" header={header}>
+      <PageLayout className="ClusterSettings" header={header} showOnTop={true}>
         <Status cluster={cluster}></Status>
         <General cluster={cluster}></General>
         <Features cluster={cluster}></Features>

src/renderer/components/+landing-page/landing-page.scss

@@ -1,60 +1,15 @@
-.LandingPage {
-  width: 100%;
-  height: 100%;
+.PageLayout.LandingOverview {
+  --width: 100%;
+  --height: 100%;
   text-align: center;
-  z-index: 0;
 
-  &::after {
-    content: "";
-    background: url(../../components/icon/crane.svg) no-repeat;
-    background-position: 0 35%;
-    background-size: 85%;
-    background-clip: content-box;
-    opacity: .75;
-    top: 0;
-    left: 0;
-    bottom: 0;
-    right: 0;
-    position: absolute;
-    z-index: -1;
 
-    .theme-light & {
-      opacity: 0.2;
-    }
-  }
 
-  .startup-hint {
-    $bgc: $mainBackground;
-    $arrowSize: 10px;
+  .content-wrapper {
 
-    position: absolute;
-    left: 0;
-    top: 25px;
-    margin: $padding;
-    padding: $padding * 2;
-    width: 320px;
-    background: $bgc;
-    color: $textColorAccent;
-    filter: drop-shadow(0 0px 2px #ffffff33);
-
-    &:before {
-      content: "";
-      position: absolute;
-      width: 0;
-      height: 0;
-      border-top: $arrowSize solid transparent;
-      border-bottom: $arrowSize solid transparent;
-      border-right: $arrowSize solid $bgc;
-      right: 100%;
-    }
-
-    .theme-light & {
-      filter: drop-shadow(0 0px 2px #777);
-      background: white;
-
-      &:before {
-        border-right-color: white;
-      }
+    .content {
+      margin: unset;
+      max-width: unset;
     }
   }
 }

src/renderer/components/+landing-page/landing-page.tsx

@@ -1,40 +1,47 @@
 import "./landing-page.scss";
 import React from "react";
-import { observable } from "mobx";
+import { computed, observable } from "mobx";
 import { observer } from "mobx-react";
 import { clusterStore } from "../../../common/cluster-store";
-import { workspaceStore } from "../../../common/workspace-store";
+import { Workspace, workspaceStore } from "../../../common/workspace-store";
+import { WorkspaceOverview } from "./workspace-overview";
+import { PageLayout } from "../layout/page-layout";
+import { Notifications } from "../notifications";
+import { Icon } from "../icon";
 
 @observer
 export class LandingPage extends React.Component {
   @observable showHint = true;
 
+  get workspace(): Workspace {
+    return workspaceStore.currentWorkspace;
+  }
+
+  @computed
+  get clusters() {
+    return clusterStore.getByWorkspaceId(this.workspace.id);
+  }
+
+  componentDidMount() {
+    const noClustersInScope = !this.clusters.length;
+    const showStartupHint = this.showHint;
+
+    if (showStartupHint && noClustersInScope) {
+      Notifications.info(<><b>Welcome!</b><p>Get started by associating one or more clusters to Lens</p></>, {
+        timeout: 30_000,
+        id: "landing-welcome"
+      });
+    }
+  }
+
   render() {
-    const clusters = clusterStore.getByWorkspaceId(workspaceStore.currentWorkspaceId);
-    const noClustersInScope = !clusters.length;
-    const showStartupHint = this.showHint && noClustersInScope;
+    const showBackButton = this.clusters.length > 0;
+    const header = <><Icon svg="logo-lens" big /> <h2>{this.workspace.name}</h2></>;
 
     return (
-      <div className="LandingPage flex">
-        {showStartupHint && (
-          <div className="startup-hint flex column gaps" onMouseEnter={() => this.showHint = false}>
-            <p>This is the quick launch menu.</p>
-            <p>
-              Associate clusters and choose the ones you want to access via quick launch menu by clicking the + button.
-            </p>
-          </div>
-        )}
-        {noClustersInScope && (
-          <div className="no-clusters flex column gaps box center">
-            <h1>
-              Welcome!
-            </h1>
-            <p>
-              Get started by associating one or more clusters to Lens.
-            </p>
-          </div>
-        )}
-      </div>
+      <PageLayout className="LandingOverview flex" header={header} provideBackButtonNavigation={showBackButton} showOnTop={true}>
+        <WorkspaceOverview workspace={this.workspace}/>
+      </PageLayout>
     );
   }
 }

src/renderer/components/+landing-page/workspace-cluster-menu.tsx

@@ -0,0 +1,74 @@
+import React from "react";
+import { ClusterItem, WorkspaceClusterStore } from "./workspace-cluster.store";
+import { autobind, cssNames } from "../../utils";
+import { MenuActions, MenuActionsProps } from "../menu/menu-actions";
+import { MenuItem } from "../menu";
+import { Icon } from "../icon";
+import { Workspace } from "../../../common/workspace-store";
+import { clusterSettingsURL } from "../+cluster-settings";
+import { navigate } from "../../navigation";
+
+interface Props extends MenuActionsProps {
+  clusterItem: ClusterItem;
+  workspace: Workspace;
+  workspaceClusterStore: WorkspaceClusterStore;
+}
+
+export class WorkspaceClusterMenu extends React.Component<Props> {
+
+  @autobind()
+  remove() {
+    const { clusterItem, workspaceClusterStore } = this.props;
+    
+    return workspaceClusterStore.remove(clusterItem);
+  }
+
+  @autobind()
+  gotoSettings() {
+    const { clusterItem } = this.props;
+
+    navigate(clusterSettingsURL({
+      params: {
+        clusterId: clusterItem.id
+      }
+    }));
+  }
+
+  @autobind()
+  renderRemoveMessage() {
+    const { clusterItem, workspace } = this.props;
+
+    return (
+      <p>Remove cluster <b>{clusterItem.name}</b> from workspace <b>{workspace.name}</b>?</p>
+    );
+  }
+
+
+  renderContent() {
+    const { toolbar } = this.props;
+
+    return (
+      <>
+        <MenuItem onClick={this.gotoSettings}>
+          <Icon material="settings" interactive={toolbar} title="Settings"/>
+          <span className="title">Settings</span>
+        </MenuItem>
+      </>
+    );
+  }
+
+  render() {
+    const { clusterItem: { cluster: { isManaged } }, className, ...menuProps } = this.props;
+
+    return (
+      <MenuActions
+        {...menuProps}
+        className={cssNames("WorkspaceClusterMenu", className)}
+        removeAction={isManaged ? null : this.remove}
+        removeConfirmationMessage={this.renderRemoveMessage}
+      >
+        {this.renderContent()}
+      </MenuActions>
+    );
+  }
+}

src/renderer/components/+landing-page/workspace-cluster.store.ts

@@ -0,0 +1,72 @@
+import { WorkspaceId } from "../../../common/workspace-store";
+import { Cluster } from "../../../main/cluster";
+import { clusterStore } from "../../../common/cluster-store";
+import { ItemObject, ItemStore } from "../../item.store";
+import { autobind } from "../../utils";
+
+export class ClusterItem implements ItemObject {
+  constructor(public cluster: Cluster) {}
+
+  get name() {
+    return this.cluster.name;
+  }
+
+  get distribution() {
+    return this.cluster.metadata?.distribution?.toString() ?? "unknown";
+  }
+
+  get version() {
+    return this.cluster.version;
+  }
+
+  get connectionStatus() {
+    return this.cluster.online ? "connected" : "disconnected";
+  }
+
+  getName() {
+    return this.name;
+  }
+
+  get id() {
+    return this.cluster.id;
+  }
+
+  get clusterId() {
+    return this.cluster.id;
+  }
+
+  getId() {
+    return this.id;
+  }
+}
+
+/** an ItemStore of the clusters belonging to a given workspace */
+@autobind()
+export class WorkspaceClusterStore extends ItemStore<ClusterItem> {
+
+  workspaceId: WorkspaceId;
+
+  constructor(workspaceId: WorkspaceId) {
+    super();
+    this.workspaceId = workspaceId;
+  }
+
+  loadAll() {
+    return this.loadItems(
+      () => (
+        clusterStore
+          .getByWorkspaceId(this.workspaceId)
+          .filter(cluster => cluster.enabled)
+          .map(cluster => new ClusterItem(cluster))
+      )
+    );
+  }
+
+  async remove(clusterItem: ClusterItem) {
+    const { cluster: { isManaged, id: clusterId }} = clusterItem;
+
+    if (!isManaged) {
+      return super.removeItem(clusterItem, () => clusterStore.removeById(clusterId));
+    }
+  }
+}

src/renderer/components/+landing-page/workspace-overview.scss

@@ -0,0 +1,32 @@
+.WorkspaceOverview {
+  max-height: 50%;
+  .Table {
+    padding-bottom: 60px;
+  }
+  .TableCell {
+    display: flex;
+    align-items: left;
+
+    &.cluster-icon {
+      align-items: center;
+      flex-grow: 0.2;
+      padding: 0;
+    }
+
+    &.connected {
+      color: var(--colorSuccess);
+    }
+  }
+
+  .TableCell.status {
+    flex: 0.1;
+  }
+
+  .TableCell.distribution {
+    flex: 0.2;
+  }
+
+  .TableCell.version {
+    flex: 0.2;
+  }
+}

src/renderer/components/+landing-page/workspace-overview.tsx

@@ -0,0 +1,75 @@
+import "./workspace-overview.scss";
+
+import React, { Component } from "react";
+import { Workspace } from "../../../common/workspace-store";
+import { observer } from "mobx-react";
+import { ItemListLayout } from "../item-object-list/item-list-layout";
+import { ClusterItem, WorkspaceClusterStore } from "./workspace-cluster.store";
+import { navigate } from "../../navigation";
+import { clusterViewURL } from "../cluster-manager/cluster-view.route";
+import { WorkspaceClusterMenu } from "./workspace-cluster-menu";
+import { kebabCase } from "lodash";
+import { addClusterURL } from "../+add-cluster";
+
+interface Props {
+  workspace: Workspace;
+}
+
+enum sortBy {
+    name = "name",
+    distribution = "distribution",
+    version = "version",
+    online = "online"
+}
+
+@observer
+export class WorkspaceOverview extends Component<Props> {
+
+  showCluster = ({ clusterId }: ClusterItem) => {
+    navigate(clusterViewURL({ params: { clusterId } }));
+  };
+
+  render() {
+    const { workspace } = this.props;
+    const workspaceClusterStore = new WorkspaceClusterStore(workspace.id);
+
+    workspaceClusterStore.loadAll();
+
+    return (
+      <ItemListLayout
+        renderHeaderTitle={<div>Clusters</div>}
+        isClusterScoped
+        isSearchable={false}
+        isSelectable={false}
+        className="WorkspaceOverview"
+        store={workspaceClusterStore}
+        sortingCallbacks={{
+          [sortBy.name]: (item: ClusterItem) => item.name,
+          [sortBy.distribution]: (item: ClusterItem) => item.distribution,
+          [sortBy.version]: (item: ClusterItem) => item.version,
+          [sortBy.online]: (item: ClusterItem) => item.connectionStatus,
+        }}
+        renderTableHeader={[
+          { title: "Name", className: "name", sortBy: sortBy.name },
+          { title: "Distribution", className: "distribution", sortBy: sortBy.distribution },
+          { title: "Version", className: "version", sortBy: sortBy.version },
+          { title: "Status", className: "status", sortBy: sortBy.online },
+        ]}
+        renderTableContents={(item: ClusterItem) => [
+          item.name,
+          item.distribution,
+          item.version,
+          { title: item.connectionStatus, className: kebabCase(item.connectionStatus) }
+        ]}
+        onDetails={this.showCluster}
+        addRemoveButtons={{
+          addTooltip: "Add Cluster",
+          onAdd: () => navigate(addClusterURL()),
+        }}
+        renderItemMenu={(clusterItem: ClusterItem) => (
+          <WorkspaceClusterMenu clusterItem={clusterItem} workspace={workspace} workspaceClusterStore={workspaceClusterStore}/>
+        )}
+      />
+    );
+  }
+}

src/renderer/components/+workspaces/workspaces.tsx

@@ -14,6 +14,7 @@ import { clusterViewURL } from "../cluster-manager/cluster-view.route";
 
 @observer
 export class ChooseWorkspace extends React.Component {
+  private static overviewActionId = "__overview__";
   private static addActionId = "__add__";
   private static removeActionId = "__remove__";
   private static editActionId = "__edit__";
@@ -23,6 +24,8 @@ export class ChooseWorkspace extends React.Component {
       return { value: workspace.id, label: workspace.name };
     });
 
+    options.push({ value: ChooseWorkspace.overviewActionId, label: "Show current workspace overview ..." });
+
     options.push({ value: ChooseWorkspace.addActionId, label: "Add workspace ..." });
 
     if (options.length > 1) {
@@ -37,6 +40,13 @@ export class ChooseWorkspace extends React.Component {
   }
 
   onChange(id: string) {
+    if (id === ChooseWorkspace.overviewActionId) {
+      navigate(landingURL()); // overview of active workspace. TODO: change name from landing
+      CommandOverlay.close();
+
+      return;
+    }
+
     if (id === ChooseWorkspace.addActionId) {
       CommandOverlay.open(<AddWorkspace />);
 

src/renderer/components/cluster-manager/clusters-menu.scss

@@ -27,14 +27,16 @@
     }
   }
 
-  > .add-cluster {
+  > .WorkspaceMenu {
     position: relative;
+    margin-bottom: $margin;
 
     .Icon {
+      margin-bottom: $margin * 1.5;
       border-radius: $radius;
       padding: $padding / 3;
-      color: $addClusterIconColor;
-      background: #ffffff66;
+      color: #ffffff66;
+      background: unset;
       cursor: pointer;
 
       &.active {
@@ -43,28 +45,10 @@
 
       &:hover {
         box-shadow: none;
-        background: #ffffff;
+        color: #ffffff;
+        background-color: unset;
       }
     }
-
-    .Badge {
-      $boxSize: 17px;
-
-      position: absolute;
-      bottom: 0px;
-      transform: translateX(-50%) translateY(50%);
-      font-size: $font-size-small;
-      line-height: $boxSize;
-      min-width: $boxSize;
-      min-height: $boxSize;
-      text-align: center;
-      color: white;
-      background: $colorSuccess;
-      font-weight: normal;
-      border-radius: $radius;
-      padding: 0;
-      pointer-events: none;
-    }
   }
 
   > .extensions {

src/renderer/components/cluster-manager/clusters-menu.tsx

@@ -6,26 +6,24 @@ import { requestMain } from "../../../common/ipc";
 import type { Cluster } from "../../../main/cluster";
 import { DragDropContext, Draggable, DraggableProvided, Droppable, DroppableProvided, DropResult } from "react-beautiful-dnd";
 import { observer } from "mobx-react";
-import { userStore } from "../../../common/user-store";
 import { ClusterId, clusterStore } from "../../../common/cluster-store";
 import { workspaceStore } from "../../../common/workspace-store";
 import { ClusterIcon } from "../cluster-icon";
 import { Icon } from "../icon";
 import { autobind, cssNames, IClassName } from "../../utils";
-import { Badge } from "../badge";
 import { isActiveRoute, navigate } from "../../navigation";
 import { addClusterURL } from "../+add-cluster";
 import { clusterSettingsURL } from "../+cluster-settings";
 import { landingURL } from "../+landing-page";
-import { Tooltip } from "../tooltip";
 import { ConfirmDialog } from "../confirm-dialog";
 import { clusterViewURL } from "./cluster-view.route";
 import { getExtensionPageUrl, globalPageMenuRegistry, globalPageRegistry } from "../../../extensions/registries";
 import { clusterDisconnectHandler } from "../../../common/cluster-ipc";
 import { commandRegistry } from "../../../extensions/registries/command-registry";
 import { CommandOverlay } from "../command-palette/command-container";
-import { computed } from "mobx";
+import { computed, observable } from "mobx";
 import { Select } from "../select";
+import { Menu, MenuItem } from "../menu";
 
 interface Props {
   className?: IClassName;
@@ -33,14 +31,12 @@ interface Props {
 
 @observer
 export class ClustersMenu extends React.Component<Props> {
+  @observable workspaceMenuVisible = false;
+
   showCluster = (clusterId: ClusterId) => {
     navigate(clusterViewURL({ params: { clusterId } }));
   };
 
-  addCluster = () => {
-    navigate(addClusterURL());
-  };
-
   showContextMenu = (cluster: Cluster) => {
     const { Menu, MenuItem } = remote;
     const menu = new Menu();
@@ -111,7 +107,6 @@ export class ClustersMenu extends React.Component<Props> {
 
   render() {
     const { className } = this.props;
-    const { newContexts } = userStore;
     const workspace = workspaceStore.getById(workspaceStore.currentWorkspaceId);
     const clusters = clusterStore.getByWorkspaceId(workspace.id).filter(cluster => cluster.enabled);
     const activeClusterId = clusterStore.activeCluster;
@@ -149,14 +144,25 @@ export class ClustersMenu extends React.Component<Props> {
             </Droppable>
           </DragDropContext>
         </div>
-        <div className="add-cluster">
-          <Tooltip targetId="add-cluster-icon">
-            Add Cluster
-          </Tooltip>
-          <Icon big material="add" id="add-cluster-icon" disabled={workspace.isManaged} onClick={this.addCluster}/>
-          {newContexts.size > 0 && (
-            <Badge className="counter" label={newContexts.size} tooltip="new"/>
-          )}
+
+        <div className="WorkspaceMenu">
+          <Icon big material="menu" id="workspace-menu-icon" data-test-id="workspace-menu" />
+          <Menu
+            usePortal
+            htmlFor="workspace-menu-icon"
+            className="WorkspaceMenu"
+            isOpen={this.workspaceMenuVisible}
+            open={() => this.workspaceMenuVisible = true}
+            close={() => this.workspaceMenuVisible = false}
+            toggleEvent="click"
+          >
+            <MenuItem onClick={() => navigate(addClusterURL())} data-test-id="add-cluster-menu-item">
+              <Icon small material="add" /> Add Cluster
+            </MenuItem>
+            <MenuItem onClick={() => navigate(landingURL())} data-test-id="workspace-overview-menu-item">
+              <Icon small material="dashboard" /> Workspace Overview
+            </MenuItem>
+          </Menu>
         </div>
         <div className="extensions">
           {globalPageMenuRegistry.getItems().map(({ title, target, components: { Icon } }) => {

src/renderer/components/item-object-list/item-list-layout.tsx

@@ -318,6 +318,7 @@ export class ItemListLayout extends React.Component<ItemListLayoutProps> {
   }
 
   renderHeaderContent(placeholders: IHeaderPlaceholders): ReactNode {
+    const { isSearchable, searchFilters } = this.props;
     const { title, filters, search, info } = placeholders;
 
     return (
@@ -327,7 +328,7 @@ export class ItemListLayout extends React.Component<ItemListLayoutProps> {
           {this.isReady && info}
         </div>
         {filters}
-        {search}
+        {isSearchable && searchFilters && search}
       </>
     );
   }

src/renderer/components/layout/page-layout.scss

@@ -17,7 +17,8 @@
     left: 0;
     top: 0;
     right: 0;
-    bottom: 0;
+    bottom: 24px;
+    height: unset;
     background-color: $mainBackground;
 
     // adds extra space for traffic-light top buttons (mac only)