wip

terminus-terminal/.gitignore

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+dist

terminus-terminal/api.ts

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+import { TerminalTabComponent } from './components/terminalTab'
+export { TerminalTabComponent }
+
+export abstract class TerminalDecorator {
+    attach (_terminal: TerminalTabComponent): void { }
+    detach (_terminal: TerminalTabComponent): void { }
+}
+
+export interface ResizeEvent {
+    width: number
+    height: number
+}
+
+export interface SessionOptions {
+    name?: string
+    command?: string
+    args?: string[]
+    cwd?: string
+    env?: any
+    recoveryId?: string
+    recoveredTruePID?: number
+}
+
+export abstract class SessionPersistenceProvider {
+    abstract async attachSession (recoveryId: any): Promise<SessionOptions>
+    abstract async startSession (options: SessionOptions): Promise<any>
+    abstract async terminateSession (recoveryId: string): Promise<void>
+}
+
+export interface ITerminalColorScheme {
+    name: string
+    foreground: string
+    background: string
+    cursor: string
+    colors: string[]
+}
+
+export abstract class TerminalColorSchemeProvider {
+    abstract async getSchemes (): Promise<ITerminalColorScheme[]>
+}

terminus-terminal/buttonProvider.ts

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+import { Injectable } from '@angular/core'
+import { HotkeysService, ToolbarButtonProvider, IToolbarButton, AppService } from 'terminus-core'
+
+import { SessionsService } from './services/sessions'
+import { TerminalTabComponent } from './components/terminalTab'
+
+
+@Injectable()
+export class ButtonProvider extends ToolbarButtonProvider {
+    constructor (
+        private app: AppService,
+        private sessions: SessionsService,
+        hotkeys: HotkeysService,
+    ) {
+        super()
+        hotkeys.matchedHotkey.subscribe(async (hotkey) => {
+            if (hotkey == 'new-tab') {
+                this.openNewTab()
+            }
+        })
+    }
+
+    async openNewTab (): Promise<void> {
+        let cwd = null
+        if (this.app.activeTab instanceof TerminalTabComponent) {
+            cwd = await this.app.activeTab.session.getWorkingDirectory()
+        }
+        this.app.openNewTab(
+            TerminalTabComponent,
+            { session: await this.sessions.createNewSession({ command: 'zsh', cwd }) }
+        )
+    }
+
+    provide (): IToolbarButton[] {
+        return [{
+            icon: 'plus',
+            title: 'New terminal',
+            click: async () => {
+                this.openNewTab()
+            }
+        }]
+    }
+}

terminus-terminal/colorSchemes.ts

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+import * as fs from 'fs-promise'
+import * as path from 'path'
+import { Injectable } from '@angular/core'
+import { TerminalColorSchemeProvider, ITerminalColorScheme } from './api'
+
+
+@Injectable()
+export class HyperColorSchemes extends TerminalColorSchemeProvider {
+    async getSchemes (): Promise<ITerminalColorScheme[]> {
+        let pluginsPath = path.join(process.env.HOME, '.hyper_plugins', 'node_modules')
+        if (!(await fs.exists(pluginsPath))) return []
+        let plugins = await fs.readdir(pluginsPath)
+
+        let themes: ITerminalColorScheme[] = []
+
+        plugins.forEach(plugin => {
+            let module = (<any>global).require(path.join(pluginsPath, plugin))
+            if (module.decorateConfig) {
+                let config = module.decorateConfig({})
+                if (config.colors) {
+                    themes.push({
+                        name: plugin,
+                        foreground: config.foregroundColor,
+                        background: config.backgroundColor,
+                        cursor: config.cursorColor,
+                        colors: config.colors.black ? [
+                            config.colors.black,
+                            config.colors.red,
+                            config.colors.green,
+                            config.colors.yellow,
+                            config.colors.blue,
+                            config.colors.magenta,
+                            config.colors.cyan,
+                            config.colors.white,
+                            config.colors.lightBlack,
+                            config.colors.lightRed,
+                            config.colors.lightGreen,
+                            config.colors.lightYellow,
+                            config.colors.lightBlue,
+                            config.colors.lightMagenta,
+                            config.colors.lightCyan,
+                            config.colors.lightWhite,
+                        ] : config.colors,
+                    })
+                }
+            }
+        })
+
+        return themes
+    }
+}

terminus-terminal/components/colorPicker.pug

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+template(#content)
+    .preview(
+        [style.width]='"100%"',
+        [style.background]='model',
+    )
+    input.form-control(type='text', '[(ngModel)]'='model', (ngModelChange)='onChange()', #input)
+
+div(
+    [ngbPopover]='content',
+    [style.background]='model',
+    (click)='open()',
+    container='body',
+    #popover='ngbPopover',
+) {{ title }}

terminus-terminal/components/colorPicker.scss

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+div {
+    width: 32px;
+    height: 32px;
+    box-shadow: 0 1px 1px rgba(0,0,0,.5);
+    border: none;
+    margin: 5px 10px 5px 0;
+    border-radius: 2px;
+    text-align: center;
+    font-weight: bold;
+    font-size: 17px;
+    display: inline-block;
+    color: #fff;
+    line-height: 31px;
+    text-shadow: 0 1px 1px rgba(0,0,0,.5);
+}

terminus-terminal/components/colorPicker.ts

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+import { Component, Input, Output, EventEmitter, HostListener, ViewChild } from '@angular/core'
+import { NgbPopover } from '@ng-bootstrap/ng-bootstrap'
+
+
+@Component({
+    selector: 'color-picker',
+    template: require('./colorPicker.pug'),
+    styles: [require('./colorPicker.scss')],
+})
+export class ColorPickerComponent {
+    @Input() model: string
+    @Input() title: string
+    @Output() modelChange = new EventEmitter<string>()
+    @ViewChild('popover') popover: NgbPopover
+    @ViewChild('input') input
+
+    open () {
+        setImmediate(() => {
+            this.popover.open()
+            setImmediate(() => {
+                this.input.nativeElement.focus()
+            })
+        })
+    }
+
+    @HostListener('document:click', ['$event']) onOutsideClick ($event) {
+        let windowRef = (<any>this.popover)._windowRef
+        if (!windowRef) {
+            return
+        }
+        if ($event.target !== windowRef.location.nativeElement &&
+            !windowRef.location.nativeElement.contains($event.target)) {
+            this.popover.close()
+        }
+    }
+
+    onChange () {
+        this.modelChange.emit(this.model)
+    }
+}

terminus-terminal/components/settings.pug

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+.row
+    .col-lg-6
+        .form-group
+            label Preview
+            .appearance-preview(
+                [style.font-family]='config.full().terminal.font',
+                [style.font-size]='config.full().terminal.fontSize + "px"',
+                [style.background-color]='(config.full().terminal.background == "theme") ? null : config.full().terminal.colorScheme.background',
+                [style.color]='config.full().terminal.colorScheme.foreground',
+            )
+                div 
+                    span john@doe-pc
+                    span([style.color]='config.full().terminal.colorScheme.colors[1]') $
+                    span  webpack
+                div 
+                    span   Asset        Size
+                div 
+                    span([style.color]='config.full().terminal.colorScheme.colors[2]') main.js      
+                    span   234 kB
+                    span([style.color]='config.full().terminal.colorScheme.colors[2]')    [emitted]
+                div 
+                    span([style.color]='config.full().terminal.colorScheme.colors[3]')  big.js      
+                    span([style.color]='config.full().terminal.colorScheme.colors[3]')   1.2 MB
+                    span([style.color]='config.full().terminal.colorScheme.colors[2]')    [emitted]
+                    span([style.color]='config.full().terminal.colorScheme.colors[3]')  [big]
+                div
+                    span 
+                div 
+                    span john@doe-pc
+                    span([style.color]='config.full().terminal.colorScheme.colors[1]') $
+                    span  ls -l
+                div 
+                    span drwxr-xr-x  1 root root 
+                    span([style.color]='config.full().terminal.colorScheme.colors[4]') directory
+                div 
+                    span -rw-r--r--  1 root root file
+                div 
+                    span -rwxr-xr-x  1 root root
+                    span([style.color]='config.full().terminal.colorScheme.colors[2]')  executable
+                div 
+                    span -rwxr-xr-x  1 root root
+                    span([style.color]='config.full().terminal.colorScheme.colors[6]')  sym
+                    span  ->
+                    span([style.color]='config.full().terminal.colorScheme.colors[1]')  link
+                div
+                    
+                    
+    .col-lg-6
+        .form-group
+            label Font
+            .row
+                .col-8
+                    input.form-control(
+                        type='text',
+                        [ngbTypeahead]='fontAutocomplete',
+                        '[(ngModel)]'='config.store.terminal.font',
+                        (ngModelChange)='config.save()',
+                    )
+                .col-4
+                    input.form-control(
+                        type='number',
+                        '[(ngModel)]'='config.store.terminal.fontSize',
+                        (ngModelChange)='config.save()',
+                    )
+            small.form-text.text-muted Font to be used in the terminal
+            
+        .form-group
+            label Color scheme
+            select.form-control(
+                [compareWith]='equalComparator',
+                '[(ngModel)]'='config.store.terminal.colorScheme',
+                (ngModelChange)='config.save()',
+            )
+                option(*ngFor='let scheme of colorSchemes', [ngValue]='scheme') {{scheme.name}}
+                
+            div(*ngIf='config.store.terminal.colorScheme.colors')
+                color-picker(
+                    '[(model)]'='config.store.terminal.colorScheme.foreground',
+                    (modelChange)='config.save()',
+                    title='FG',
+                )
+                color-picker(
+                    '[(model)]'='config.store.terminal.colorScheme.background',
+                    (modelChange)='config.save()',
+                    title='BG',
+                )
+                color-picker(
+                    '[(model)]'='config.store.terminal.cursor.background',
+                    (modelChange)='config.save()',
+                    title='CU',
+                )
+                color-picker(
+                    *ngFor='let _ of config.store.terminal.colorScheme.colors; let idx = index',
+                    '[(model)]'='config.store.terminal.colorScheme.colors[idx]',
+                    (modelChange)='config.save()',
+                    [title]='idx',
+                )
+
+        .form-group
+            label Terminal background
+            br
+            div(
+                '[(ngModel)]'='config.store.terminal.background',
+                (ngModelChange)='config.save()',
+                ngbRadioGroup
+            )
+                label.btn.btn-secondary
+                    input(
+                        type='radio',
+                        [value]='"theme"'
+                    )
+                    | From the app theme
+                label.btn.btn-secondary
+                    input(
+                        type='radio',
+                        [value]='"colorScheme"'
+                    )
+                    | From the terminal colors
+
+        .form-group
+            label Terminal bell
+            br
+            div(
+                '[(ngModel)]'='config.store.terminal.bell',
+                (ngModelChange)='config.save()',
+                ngbRadioGroup
+            )
+                label.btn.btn-secondary
+                    input(
+                        type='radio',
+                        [value]='"off"'
+                    )
+                    | Off
+                label.btn.btn-secondary
+                    input(
+                        type='radio',
+                        [value]='"visual"'
+                    )
+                    | Visual
+                label.btn.btn-secondary
+                    input(
+                        type='radio',
+                        [value]='"audible"'
+                    )
+                    | Audible

terminus-terminal/components/settings.scss

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+.appearance-preview {
+    padding: 10px 20px;
+    margin: 0 0 10px;
+    span {
+        white-space: pre;
+    }
+}

terminus-terminal/components/settings.ts

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+import { Observable } from 'rxjs/Observable'
+import 'rxjs/add/operator/map'
+import 'rxjs/add/operator/debounceTime'
+import 'rxjs/add/operator/distinctUntilChanged'
+const equal = require('deep-equal')
+import { Component, Inject } from '@angular/core'
+import { ConfigService } from 'terminus-core'
+const { exec } = require('child-process-promise')
+
+import { TerminalColorSchemeProvider, ITerminalColorScheme } from '../api'
+
+
+@Component({
+    template: require('./settings.pug'),
+    styles: [require('./settings.scss')],
+})
+export class SettingsComponent {
+    fonts: string[] = []
+    colorSchemes: ITerminalColorScheme[] = []
+    equalComparator = equal
+
+    constructor(
+        public config: ConfigService,
+        @Inject(TerminalColorSchemeProvider) private colorSchemeProviders: TerminalColorSchemeProvider[],
+    ) { }
+
+    async ngOnInit () {
+        exec('fc-list :spacing=mono').then((result) => {
+            this.fonts = result.stdout
+                .split('\n')
+                .filter((x) => !!x)
+                .map((x) => x.split(':')[1].trim())
+                .map((x) => x.split(',')[0].trim())
+            this.fonts.sort()
+        })
+
+        this.colorSchemes = (await Promise.all(this.colorSchemeProviders.map(x => x.getSchemes()))).reduce((a, b) => a.concat(b))
+    }
+
+    fontAutocomplete = (text$: Observable<string>) => {
+        return text$
+          .debounceTime(200)
+          .distinctUntilChanged()
+          .map(query => this.fonts.filter(v => new RegExp(query, 'gi').test(v)))
+          .map(list => Array.from(new Set(list)))
+    }
+
+
+}

terminus-terminal/components/terminal.userCSS.scss

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+a {
+    cursor: pointer;
+}
+
+a:hover {
+    text-decoration: underline;
+}
+
+* {
+    font-feature-settings: "liga" 0; // disable ligatures (they break monospacing)
+}
+
+x-screen {
+    transition: 0.125s ease background;
+}

terminus-terminal/components/terminalTab.scss

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+:host {
+    flex: auto;
+    display: flex;
+    overflow: hidden;
+
+    &> .content {
+        flex: auto;
+        position: relative;
+        display: block;
+        overflow: hidden;
+        margin: 15px;
+
+        div[style]:last-child {
+            background: black !important;
+            color: white !important;
+        }
+    }
+}

terminus-terminal/components/terminalTab.ts

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+import { BehaviorSubject, ReplaySubject, Subject, Subscription } from 'rxjs'
+import { Component, NgZone, Inject, ViewChild, HostBinding, Input } from '@angular/core'
+import { AppService, ConfigService, BaseTabComponent } from 'terminus-core'
+
+import { TerminalDecorator, ResizeEvent } from '../api'
+import { Session } from '../services/sessions'
+import { hterm, preferenceManager } from '../hterm'
+
+
+@Component({
+  selector: 'terminalTab',
+  template: '<div #content class="content"></div>',
+  styles: [require('./terminalTab.scss')],
+})
+export class TerminalTabComponent extends BaseTabComponent {
+    hterm: any
+    configSubscription: Subscription
+    focusedSubscription: Subscription
+    bell$ = new Subject()
+    size$ = new ReplaySubject<ResizeEvent>(1)
+    input$ = new Subject<string>()
+    output$ = new Subject<string>()
+    contentUpdated$ = new Subject<void>()
+    alternateScreenActive$ = new BehaviorSubject(false)
+    mouseEvent$ = new Subject<Event>()
+    @Input() session: Session
+    @ViewChild('content') content
+    @HostBinding('style.background-color') backgroundColor: string
+    private io: any
+
+    constructor(
+        private zone: NgZone,
+        private app: AppService,
+        public config: ConfigService,
+        @Inject(TerminalDecorator) private decorators: TerminalDecorator[],
+    ) {
+        super()
+        this.configSubscription = config.change.subscribe(() => {
+            this.configure()
+        })
+    }
+
+    getRecoveryToken (): any {
+        return {
+            type: 'app:terminal',
+            recoveryId: this.session.recoveryId,
+        }
+    }
+
+    ngOnInit () {
+        this.focusedSubscription = this.focused.subscribe(() => {
+            this.hterm.scrollPort_.focus()
+        })
+
+        this.hterm = new hterm.hterm.Terminal()
+        this.decorators.forEach((decorator) => {
+            decorator.attach(this)
+        })
+
+        this.attachHTermHandlers(this.hterm)
+
+        this.hterm.onTerminalReady = () => {
+            this.hterm.installKeyboard()
+            this.io = this.hterm.io.push()
+            this.attachIOHandlers(this.io)
+            this.session.output$.subscribe((data) => {
+                this.zone.run(() => {
+                    this.output$.next(data)
+                })
+                this.write(data)
+            })
+            this.session.closed$.first().subscribe(() => {
+                this.app.closeTab(this)
+            })
+
+            this.session.releaseInitialDataBuffer()
+        }
+        this.hterm.decorate(this.content.nativeElement)
+        this.configure()
+
+        setTimeout(() => {
+            this.output$.subscribe(() => {
+                this.displayActivity()
+            })
+        }, 1000)
+
+        this.bell$.subscribe(() => {
+            if (this.config.full().terminal.bell != 'off') {
+                let bg = preferenceManager.get('background-color')
+                preferenceManager.set('background-color', 'rgba(128,128,128,.25)')
+                setTimeout(() => {
+                    preferenceManager.set('background-color', bg)
+                }, 125)
+            }
+            // TODO audible
+        })
+    }
+
+    attachHTermHandlers (hterm: any) {
+        hterm.setWindowTitle = (title) => {
+            this.zone.run(() => {
+                this.title$.next(title)
+            })
+        }
+
+        const _decorate = hterm.scrollPort_.decorate.bind(hterm.scrollPort_)
+        hterm.scrollPort_.decorate = (...args) => {
+            _decorate(...args)
+            hterm.scrollPort_.screen_.style.cssText += `; padding-right: ${hterm.scrollPort_.screen_.offsetWidth - hterm.scrollPort_.screen_.clientWidth}px;`
+        }
+
+        const _setAlternateMode = hterm.setAlternateMode.bind(hterm)
+        hterm.setAlternateMode = (state) => {
+            _setAlternateMode(state)
+            this.alternateScreenActive$.next(state)
+        }
+
+        const _onPaste_ = hterm.scrollPort_.onPaste_.bind(hterm.scrollPort_)
+        hterm.scrollPort_.onPaste_ = (event) => {
+            hterm.scrollPort_.pasteTarget_.value = event.clipboardData.getData('text/plain').trim()
+            _onPaste_()
+            event.preventDefault()
+        }
+
+        const _onMouse_ = hterm.onMouse_.bind(hterm)
+        hterm.onMouse_ = (event) => {
+            this.mouseEvent$.next(event)
+            if ((event.ctrlKey || event.metaKey) && event.type === 'mousewheel') {
+                event.preventDefault()
+                let delta = Math.round(event.wheelDeltaY / 50)
+                this.sendInput(((delta > 0) ? '\u001bOA' : '\u001bOB').repeat(Math.abs(delta)))
+            }
+            _onMouse_(event)
+        }
+
+        hterm.ringBell = () => {
+            this.bell$.next()
+        }
+
+        for (let screen of [hterm.primaryScreen_, hterm.alternateScreen_]) {
+            const _insertString = screen.insertString.bind(screen)
+            screen.insertString = (data) => {
+                _insertString(data)
+                this.contentUpdated$.next()
+            }
+
+            const _deleteChars = screen.deleteChars.bind(screen)
+            screen.deleteChars = (count) => {
+                let ret = _deleteChars(count)
+                this.contentUpdated$.next()
+                return ret
+            }
+        }
+    }
+
+    attachIOHandlers (io: any) {
+        io.onVTKeystroke = io.sendString = (data) => {
+            this.sendInput(data)
+            this.zone.run(() => {
+                this.input$.next(data)
+            })
+        }
+        io.onTerminalResize = (columns, rows) => {
+            // console.log(`Resizing to ${columns}x${rows}`)
+            this.zone.run(() => {
+                this.session.resize(columns, rows)
+                this.size$.next({ width: columns, height: rows })
+            })
+        }
+    }
+
+    sendInput (data: string) {
+        this.session.write(data)
+    }
+
+    write (data: string) {
+        this.io.writeUTF8(data)
+    }
+
+    async configure (): Promise<void> {
+        let config = this.config.full()
+        preferenceManager.set('font-family', config.terminal.font)
+        preferenceManager.set('font-size', config.terminal.fontSize)
+        preferenceManager.set('audible-bell-sound', '')
+        preferenceManager.set('desktop-notification-bell', config.terminal.bell == 'notification')
+        preferenceManager.set('enable-clipboard-notice', false)
+        preferenceManager.set('receive-encoding', 'raw')
+        preferenceManager.set('send-encoding', 'raw')
+
+        if (config.terminal.colorScheme.foreground) {
+            preferenceManager.set('foreground-color', config.terminal.colorScheme.foreground)
+        }
+        if (config.terminal.background == 'colorScheme') {
+            if (config.terminal.colorScheme.background) {
+                this.backgroundColor = config.terminal.colorScheme.background
+                preferenceManager.set('background-color', config.terminal.colorScheme.background)
+            }
+        } else {
+            this.backgroundColor = null
+            // hterm can't parse "transparent"
+            preferenceManager.set('background-color', 'rgba(0,0,0,0)')
+        }
+        if (config.terminal.colorScheme.colors) {
+            preferenceManager.set('color-palette-overrides', config.terminal.colorScheme.colors)
+        }
+        if (config.terminal.colorScheme.cursor) {
+            preferenceManager.set('cursor-color', config.terminal.colorScheme.cursor)
+        }
+
+        this.hterm.setBracketedPaste(config.terminal.bracketedPaste)
+    }
+
+    ngOnDestroy () {
+        this.decorators.forEach((decorator) => {
+            decorator.detach(this)
+        })
+        this.focusedSubscription.unsubscribe()
+        this.configSubscription.unsubscribe()
+        this.title$.complete()
+        this.size$.complete()
+        this.input$.complete()
+        this.output$.complete()
+        this.contentUpdated$.complete()
+        this.alternateScreenActive$.complete()
+        this.mouseEvent$.complete()
+        this.bell$.complete()
+
+        this.session.gracefullyDestroy()
+    }
+}

terminus-terminal/config.ts

@@ -0,0 +1,33 @@
+import { ConfigProvider } from 'terminus-core'
+
+
+export class TerminalConfigProvider extends ConfigProvider {
+    defaultConfigValues: any = {
+        terminal: {
+            font: 'monospace',
+            fontSize: 14,
+            bell: 'off',
+            bracketedPaste: true,
+            background: 'theme',
+            colorScheme: {
+                foreground: null,
+                background: null,
+                colors: null,
+            },
+        },
+        hotkeys: {
+            'new-tab': [
+                ['Ctrl-A', 'C'],
+                ['Ctrl-A', 'Ctrl-C'],
+                'Ctrl-Shift-T',
+            ]
+        },
+    }
+
+    configStructure: any = {
+        terminal: {
+            colorScheme: {},
+        },
+        hotkeys: {},
+    }
+}

terminus-terminal/hterm.ts

@@ -0,0 +1,30 @@
+const dataurl = require('dataurl')
+export const hterm = require('hterm-commonjs')
+hterm.hterm.defaultStorage = new hterm.lib.Storage.Memory()
+export const preferenceManager = new hterm.hterm.PreferenceManager('default')
+
+
+hterm.hterm.VT.ESC['k'] = function(parseState) {
+    parseState.resetArguments();
+
+    function parseOSC(ps) {
+        if (!this.parseUntilStringTerminator_(ps) || ps.func == parseOSC) {
+            return
+        }
+
+        this.terminal.setWindowTitle(ps.args[0])
+    }
+    parseState.func = parseOSC
+}
+
+preferenceManager.set('user-css', dataurl.convert({
+    data: require('./components/terminal.userCSS.scss'),
+    mimetype: 'text/css',
+    charset: 'utf8',
+}))
+preferenceManager.set('background-color', '#1D272D')
+preferenceManager.set('color-palette-overrides', {
+    0: '#1D272D',
+})
+
+hterm.hterm.Terminal.prototype.showOverlay = () => null

terminus-terminal/index.ts

@@ -0,0 +1,78 @@
+import { NgModule } from '@angular/core'
+import { BrowserModule } from '@angular/platform-browser'
+import { FormsModule } from '@angular/forms'
+import { NgbModule } from '@ng-bootstrap/ng-bootstrap'
+
+import { ToolbarButtonProvider, TabRecoveryProvider, ConfigProvider, HotkeysService } from 'terminus-core'
+import { SettingsTabProvider } from 'terminus-settings'
+
+import { TerminalTabComponent } from './components/terminalTab'
+import { SettingsComponent } from './components/settings'
+import { ColorPickerComponent } from './components/colorPicker'
+import { SessionsService } from './services/sessions'
+import { ScreenPersistenceProvider } from './persistenceProviders'
+import { ButtonProvider } from './buttonProvider'
+import { RecoveryProvider } from './recoveryProvider'
+import { SessionPersistenceProvider, TerminalColorSchemeProvider } from './api'
+import { TerminalSettingsProvider } from './settings'
+import { TerminalConfigProvider } from './config'
+import { HyperColorSchemes } from './colorSchemes'
+import { hterm } from './hterm'
+
+
+@NgModule({
+    imports: [
+        BrowserModule,
+        FormsModule,
+        NgbModule,
+    ],
+    providers: [
+        SessionsService,
+        { provide: ToolbarButtonProvider, useClass: ButtonProvider, multi: true },
+        { provide: TabRecoveryProvider, useClass: RecoveryProvider, multi: true },
+        { provide: SessionPersistenceProvider, useClass: ScreenPersistenceProvider },
+        // { provide: SessionPersistenceProvider, useValue: null },
+        { provide: SettingsTabProvider, useClass: TerminalSettingsProvider, multi: true },
+        { provide: ConfigProvider, useClass: TerminalConfigProvider, multi: true },
+        { provide: TerminalColorSchemeProvider, useClass: HyperColorSchemes, multi: true },
+    ],
+    entryComponents: [
+        TerminalTabComponent,
+        SettingsComponent,
+    ],
+    declarations: [
+        ColorPickerComponent,
+        TerminalTabComponent,
+        SettingsComponent,
+    ],
+})
+export default class TerminalModule {
+    constructor (hotkeys: HotkeysService) {
+        let events = [
+            {
+                name: 'keydown',
+                htermHandler: 'onKeyDown_',
+            },
+            {
+                name: 'keyup',
+                htermHandler: 'onKeyUp_',
+            },
+        ]
+        events.forEach((event) => {
+            let oldHandler = hterm.hterm.Keyboard.prototype[event.htermHandler]
+            hterm.hterm.Keyboard.prototype[event.htermHandler] = function (nativeEvent) {
+                hotkeys.pushKeystroke(event.name, nativeEvent)
+                if (hotkeys.getCurrentPartiallyMatchedHotkeys().length == 0) {
+                    oldHandler.bind(this)(nativeEvent)
+                } else {
+                    nativeEvent.stopPropagation()
+                    nativeEvent.preventDefault()
+                }
+                hotkeys.processKeystrokes()
+                hotkeys.emitKeyEvent(nativeEvent)
+            }
+        })
+    }
+}
+
+export * from './api'

terminus-terminal/package.json

@@ -0,0 +1,40 @@
+{
+  "name": "terminus-terminal",
+  "version": "0.0.1",
+  "description": "Terminus' terminal emulation core",
+  "main": "dist/index.js",
+  "typings": "dist/index.d.ts",
+  "scripts": {
+    "build": "webpack --progress --color",
+    "watch": "webpack --progress --color --watch"
+  },
+  "author": "Eugene Pankov",
+  "license": "MIT",
+  "devDependencies": {
+    "@types/deep-equal": "1.0.0",
+    "@types/node": "7.0.12",
+    "@types/webpack-env": "1.13.0",
+    "awesome-typescript-loader": "3.1.2",
+    "css-loader": "^0.28.0",
+    "pug": "^2.0.0-beta11",
+    "pug-loader": "^2.3.0",
+    "raw-loader": "^0.5.1",
+    "sass-loader": "^6.0.3",
+    "style-loader": "^0.16.1",
+    "webpack": "2.3.3"
+  },
+  "dependencies": {
+    "@angular/common": "4.0.1",
+    "@angular/core": "4.0.1",
+    "@angular/forms": "4.0.1",
+    "@angular/platform-browser": "4.0.1",
+    "@ng-bootstrap/ng-bootstrap": "1.0.0-alpha.22",
+    "child-process-promise": "2.2.1",
+    "dataurl": "0.1.0",
+    "deep-equal": "1.0.1",
+    "fs-promise": "2.0.2",
+    "hterm-commonjs": "1.0.0",
+    "node-pty": "0.6.2",
+    "rxjs": "5.3.0"
+  }
+}

terminus-terminal/persistenceProviders.ts

@@ -0,0 +1,56 @@
+import * as fs from 'fs-promise'
+const { exec, spawn } = require('child-process-promise')
+
+import { SessionOptions, SessionPersistenceProvider } from './api'
+
+
+export class ScreenPersistenceProvider extends SessionPersistenceProvider {
+    async attachSession (recoveryId: any): Promise<SessionOptions> {
+        let lines = (await exec('screen -list')).stdout.split('\n')
+        let screenPID = lines
+            .filter(line => line.indexOf('.' + recoveryId) !== -1)
+            .map(line => parseInt(line.trim().split('.')[0]))[0]
+
+        if (!screenPID) {
+            return null
+        }
+
+        lines = (await exec(`ps -o pid --ppid ${screenPID}`)).stdout.split('\n')
+        let recoveredTruePID = parseInt(lines[1].split(/\s/).filter(x => !!x)[0])
+
+        return {
+            recoveryId,
+            recoveredTruePID,
+            command: 'screen',
+            args: ['-r', recoveryId],
+        }
+    }
+
+    async startSession (options: SessionOptions): Promise<any> {
+        let configPath = '/tmp/.termScreenConfig'
+        await fs.writeFile(configPath, `
+            escape ^^^
+            vbell off
+            term xterm-color
+            bindkey "^[OH" beginning-of-line
+            bindkey "^[OF" end-of-line
+            bindkey "\\027[?1049h" stuff ----alternate enter-----
+            bindkey "\\027[?1049l" stuff ----alternate leave-----
+            termcapinfo xterm* 'hs:ts=\\E]0;:fs=\\007:ds=\\E]0;\\007'
+            defhstatus "^Et"
+            hardstatus off
+            altscreen on
+        `, 'utf-8')
+        let recoveryId = `term-tab-${Date.now()}`
+        let args = ['-d', '-m', '-c', configPath, '-U', '-S', recoveryId, '--', options.command].concat(options.args || [])
+        await spawn('screen', args, {
+            cwd: options.cwd,
+            env: options.env || process.env,
+        })
+        return recoveryId
+    }
+
+    async terminateSession (recoveryId: string): Promise<void> {
+        await exec(`screen -S ${recoveryId} -X quit`)
+    }
+}

terminus-terminal/recoveryProvider.ts

@@ -0,0 +1,26 @@
+import { Injectable } from '@angular/core'
+import { TabRecoveryProvider, AppService } from 'terminus-core'
+
+import { SessionsService } from './services/sessions'
+import { TerminalTabComponent } from './components/terminalTab'
+
+
+@Injectable()
+export class RecoveryProvider extends TabRecoveryProvider {
+    constructor (
+        private sessions: SessionsService,
+        private app: AppService,
+    ) {
+        super()
+    }
+
+    async recover (recoveryToken: any): Promise<void> {
+        if (recoveryToken.type == 'app:terminal') {
+            let session = await this.sessions.recover(recoveryToken.recoveryId)
+            if (!session) {
+                return
+            }
+            this.app.openNewTab(TerminalTabComponent, { session })
+        }
+    }
+}

terminus-terminal/services/sessions.ts

@@ -0,0 +1,166 @@
+import * as nodePTY from 'node-pty'
+import * as fs from 'fs-promise'
+import { Subject } from 'rxjs'
+import { Injectable } from '@angular/core'
+import { Logger, LogService } from 'terminus-core'
+
+import { SessionOptions, SessionPersistenceProvider } from '../api'
+
+
+export class Session {
+    open: boolean
+    name: string
+    output$ = new Subject<string>()
+    closed$ = new Subject<void>()
+    destroyed$ = new Subject<void>()
+    recoveryId: string
+    truePID: number
+    private pty: any
+    private initialDataBuffer = ''
+    private initialDataBufferReleased = false
+
+    constructor (options: SessionOptions) {
+        this.name = options.name
+        this.recoveryId = options.recoveryId
+        console.log('Spawning', options.command)
+
+        let env = {
+            ...process.env,
+            ...options.env,
+            TERM: 'xterm-256color',
+        }
+        if (options.command.includes(' ')) {
+            options.args = ['-c', options.command]
+            options.command = 'sh'
+        }
+        this.pty = nodePTY.spawn(options.command, options.args || [], {
+            //name: 'screen-256color',
+            name: 'xterm-256color',
+            //name: 'xterm-color',
+            cols: 80,
+            rows: 30,
+            cwd: options.cwd || process.env.HOME,
+            env: env,
+        })
+
+        this.truePID = options.recoveredTruePID || (<any>this.pty).pid
+
+        this.open = true
+
+        this.pty.on('data', (data) => {
+            if (!this.initialDataBufferReleased) {
+                this.initialDataBuffer += data
+            } else {
+                this.output$.next(data)
+            }
+        })
+
+        this.pty.on('close', () => {
+            this.close()
+        })
+    }
+
+    releaseInitialDataBuffer () {
+        this.initialDataBufferReleased = true
+        this.output$.next(this.initialDataBuffer)
+        this.initialDataBuffer = null
+    }
+
+    resize (columns, rows) {
+        this.pty.resize(columns, rows)
+    }
+
+    write (data) {
+        this.pty.write(data)
+    }
+
+    sendSignal (signal) {
+        this.pty.kill(signal)
+    }
+
+    close () {
+        this.open = false
+        this.closed$.next()
+        this.pty.end()
+    }
+
+    gracefullyDestroy () {
+        return new Promise((resolve) => {
+            this.sendSignal('SIGTERM')
+            if (!this.open) {
+                resolve()
+                this.destroy()
+            } else {
+                setTimeout(() => {
+                    if (this.open) {
+                        this.sendSignal('SIGKILL')
+                        this.destroy()
+                    }
+                    resolve()
+                }, 1000)
+            }
+        })
+    }
+
+    destroy () {
+        if (open) {
+            this.close()
+        }
+        this.destroyed$.next()
+        this.pty.destroy()
+        this.output$.complete()
+    }
+
+    async getWorkingDirectory (): Promise<string> {
+        return await fs.readlink(`/proc/${this.truePID}/cwd`)
+    }
+}
+
+
+@Injectable()
+export class SessionsService {
+    sessions: {[id: string]: Session} = {}
+    logger: Logger
+    private lastID = 0
+
+    constructor(
+        private persistence: SessionPersistenceProvider,
+        log: LogService,
+    ) {
+        this.logger = log.create('sessions')
+    }
+
+    async createNewSession (options: SessionOptions) : Promise<Session> {
+        if (this.persistence) {
+            let recoveryId = await this.persistence.startSession(options)
+            options = await this.persistence.attachSession(recoveryId)
+        }
+        let session = this.addSession(options)
+        return session
+    }
+
+    addSession (options: SessionOptions) : Session {
+        this.lastID++
+        options.name = `session-${this.lastID}`
+        let session = new Session(options)
+        session.destroyed$.first().subscribe(() => {
+            delete this.sessions[session.name]
+            if (this.persistence) {
+                this.persistence.terminateSession(session.recoveryId)
+            }
+        })
+        this.sessions[session.name] = session
+        return session
+    }
+
+    async recover (recoveryId: string) : Promise<Session> {
+        if (!this.persistence) {
+            return null
+        }
+        const options = await this.persistence.attachSession(recoveryId)
+        if (!options) {
+            return null
+        }
+        return this.addSession(options)
+    }
+}

terminus-terminal/settings.ts

@@ -0,0 +1,14 @@
+import { Injectable } from '@angular/core'
+import { SettingsTabProvider, ComponentType } from 'terminus-settings'
+
+import { SettingsComponent } from './components/settings'
+
+
+@Injectable()
+export class TerminalSettingsProvider extends SettingsTabProvider {
+    title = 'Terminal'
+
+    getComponentType (): ComponentType {
+        return SettingsComponent
+    }
+}

terminus-terminal/tsconfig.json

@@ -0,0 +1,32 @@
+{
+  "compilerOptions": {
+    "baseUrl": ".",
+    "module": "commonjs",
+    "target": "es5",
+    "declaration": false,
+    "noImplicitAny": false,
+    "removeComments": false,
+    "emitDecoratorMetadata": true,
+    "experimentalDecorators": true,
+    "sourceMap": true,
+    "noUnusedParameters": true,
+    "noImplicitReturns": true,
+    "noFallthroughCasesInSwitch": true,
+    "noUnusedParameters": true,
+    "noUnusedLocals": true,
+    "declaration": true,
+    "declarationDir": "dist",
+    "lib": [
+      "dom",
+      "es2015",
+      "es7"
+    ],
+    "paths": {
+      "terminus-*": ["../terminus-*"]
+    }
+  },
+  "compileOnSave": false,
+  "exclude": [
+    "node_modules"
+  ]
+}

terminus-terminal/webpack.config.js

@@ -0,0 +1,35 @@
+module.exports = {
+  target: 'node',
+  entry: 'index.ts',
+  devtool: 'source-map',
+  output: {
+    filename: './dist/index.js',
+    pathinfo: true,
+    library: 'terminusTerminal',
+    libraryTarget: 'umd',
+  },
+  resolve: {
+    modules: ['.', 'node_modules', '..'],
+    extensions: ['.ts', '.js'],
+  },
+  module: {
+    loaders: [
+      { test: /\.ts$/, use: 'awesome-typescript-loader' },
+      { test: /schemes\/.*$/, use: "raw-loader" },
+      { test: /\.pug$/, use: ['apply-loader', 'pug-loader'] },
+      { test: /\.scss$/, use: ['style-loader', 'css-loader', 'sass-loader'] },
+      { test: /\.css$/, use: ['style-loader', 'css-loader', 'sass-loader'] },
+    ]
+  },
+  externals: {
+    'fs': true,
+    'fs-promise': true,
+    'path': true,
+    'node-pty': true,
+    'child-process-promise': true,
+    'fs-promise': true,
+    '@angular/core': true,
+    'terminus-core': true,
+    'terminus-settings': true,
+  }
+}