hotkey to reopen last tab (fixes #2239)

terminus-core/src/components/appRoot.component.ts

@@ -114,6 +114,9 @@ export class AppRootComponent {
                 if (hotkey === 'move-tab-right') {
                     this.app.moveSelectedTabRight()
                 }
+                if (hotkey === 'reopen-tab') {
+                    this.app.reopenLastTab()
+                }
             }
             if (hotkey === 'toggle-fullscreen') {
                 this.hostApp.toggleFullscreen()

terminus-core/src/configDefaults.linux.yaml

@@ -7,6 +7,8 @@ hotkeys:
     - 'F11'
   close-tab:
     - 'Ctrl-Shift-W'
+  reopen-tab:
+    - 'Ctrl-Shift-T'
   toggle-last-tab: []
   rename-tab:
     - 'Ctrl-Shift-R'

terminus-core/src/configDefaults.macos.yaml

@@ -7,6 +7,8 @@ hotkeys:
     - 'Ctrl+⌘+F'
   close-tab:
     - '⌘-W'
+  reopen-tab:
+    - '⌘-Shift-T'
   toggle-last-tab: []
   rename-tab:
     - '⌘-R'

terminus-core/src/configDefaults.windows.yaml

@@ -8,6 +8,8 @@ hotkeys:
     - 'Alt-Enter'
   close-tab:
     - 'Ctrl-Shift-W'
+  reopen-tab:
+    - 'Ctrl-Shift-T'
   toggle-last-tab: []
   rename-tab:
     - 'Ctrl-Shift-R'

terminus-core/src/hotkeys.ts

@@ -25,6 +25,10 @@ export class AppHotkeyProvider extends HotkeyProvider {
             id: 'close-tab',
             name: 'Close tab',
         },
+        {
+            id: 'reopen-tab',
+            name: 'Reopen last tab',
+        },
         {
             id: 'toggle-last-tab',
             name: 'Toggle last tab',

terminus-core/src/services/app.service.ts

@@ -8,6 +8,7 @@ import { BaseTabComponent } from '../components/baseTab.component'
 import { SplitTabComponent } from '../components/splitTab.component'
 import { SelectorModalComponent } from '../components/selectorModal.component'
 import { SelectorOption } from '../api/selector'
+import { RecoveryToken } from '../api/tabRecovery'
 
 import { ConfigService } from './config.service'
 import { HostAppService } from './hostApp.service'
@@ -49,6 +50,7 @@ export class AppService {
 
     private lastTabIndex = 0
     private _activeTab: BaseTabComponent
+    private closedTabsStack: RecoveryToken[] = []
 
     private activeTabChange = new Subject<BaseTabComponent>()
     private tabsChanged = new Subject<void>()
@@ -98,6 +100,13 @@ export class AppService {
         hostApp.windowFocused$.subscribe(() => {
             this._activeTab?.emitFocused()
         })
+
+        this.tabClosed$.subscribe(async tab => {
+            const token = await tab.getRecoveryToken()
+            if (token) {
+                this.closedTabsStack.push(token)
+            }
+        })
     }
 
     addTabRaw (tab: BaseTabComponent, index: number|null = null): void {
@@ -161,6 +170,23 @@ export class AppService {
         return tab
     }
 
+    async reopenLastTab (): Promise<BaseTabComponent|null> {
+        const token = this.closedTabsStack.pop()
+        if (token) {
+            const recoveredTab = await this.tabRecovery.recoverTab(token)
+            if (recoveredTab) {
+                const tab = this.tabsService.create(recoveredTab.type, recoveredTab.options)
+                if (this.activeTab) {
+                    this.addTabRaw(tab, this.tabs.indexOf(this.activeTab) + 1)
+                } else {
+                    this.addTabRaw(tab)
+                }
+                return tab
+            }
+        }
+        return null
+    }
+
     selectTab (tab: BaseTabComponent): void {
         if (this._activeTab === tab) {
             this._activeTab.emitFocused()