func (t *tbfe) handleInput(ev termbox.Event) {
	if ev.Key == termbox.KeyCtrlQ {
		t.shutdown <- true
	}

	var kp keys.KeyPress
	if ev.Ch != 0 {
		kp.Key = keys.Key(ev.Ch)
	} else if v2, ok := lut[ev.Key]; ok {
		kp = v2
	} else {
		return
	}

	t.editor.HandleInput(kp)
}

// key HandleFunc for the http /key endpoint. This only happens if the client
// doesn't support websockets.
func (t *tbfe) key(w http.ResponseWriter, req *http.Request) {
	log.Debug("key: %s", req)
	kc := req.FormValue("keyCode")
	var kp keys.KeyPress
	v, _ := strconv.ParseInt(kc, 10, 32)

	if req.FormValue("altKey") == "true" {
		kp.Alt = true
	}
	if req.FormValue("ctrlKey") == "true" {
		kp.Ctrl = true
	}
	if req.FormValue("metaKey") == "true" {
		kp.Super = true
	}
	if req.FormValue("shiftKey") == "true" {
		kp.Shift = true
	}

	if !kp.Shift {
		v = int64(unicode.ToLower(rune(v)))
	}
	kp.Key = keys.Key(v)
	kp.Text = string(v)
	backend.GetEditor().HandleInput(kp)
}

func (t *tbfe) WebsocketServer(ws *websocket.Conn) {
	clients = append(clients, ws)

	// Send status message
	if t.status_message != "" {
		websocket.JSON.Send(ws, map[string]string{"type": "statusMessage", "msg": t.status_message})
	}

	// Send cursor position
	websocket.JSON.Send(ws, t.GetSelectionMessage(backend.GetEditor().ActiveWindow().ActiveView()))

	// Send editor content
	var buf bytes.Buffer
	t.render(bufio.NewWriter(&buf))
	websocket.Message.Send(ws, buf.Bytes())
	buf.Reset()

	var data map[string]interface{}
	var kp keys.KeyPress
	for {
		err := websocket.JSON.Receive(ws, &data)
		if err != nil {
			log.Error(err)
			return
		}
		//log.LogDebug("Received: %s", data)

		msgType := data["type"].(string)

		if msgType == "key" {
			kp.Alt = data["altKey"].(bool)
			kp.Ctrl = data["ctrlKey"].(bool)
			kp.Super = data["metaKey"].(bool)
			kp.Shift = data["shiftKey"].(bool)

			if keyName, ok := data["key"].(string); ok {
				if utf8.RuneCountInString(keyName) == 1 { // One char
					r, _ := utf8.DecodeRuneInString(keyName)
					kp.Key = keys.Key(int64(r))
				} else {
					// TODO: automatic lookup instead of this manual lookup
					// See https://github.com/limetext/lime/pull/421/files#r19269236
					keymap := map[string]keys.Key{
						"ArrowLeft":   keys.Left,
						"ArrowUp":     keys.Up,
						"ArrowRight":  keys.Right,
						"ArrowDown":   keys.Down,
						"Left":        keys.Left,
						"Up":          keys.Up,
						"Right":       keys.Right,
						"Down":        keys.Down,
						"Enter":       keys.Enter,
						"Escape":      keys.Escape,
						"Backspace":   keys.Backspace,
						"Delete":      keys.Delete,
						"Del":         keys.Delete, // Deprecated: some old browsers still use "Del" instead of "Delete"
						"KeypadEnter": keys.KeypadEnter,
						"F1":          keys.F1,
						"F2":          keys.F2,
						"F3":          keys.F3,
						"F4":          keys.F4,
						"F5":          keys.F5,
						"F6":          keys.F6,
						"F7":          keys.F7,
						"F8":          keys.F8,
						"F9":          keys.F9,
						"F10":         keys.F10,
						"F11":         keys.F11,
						"F12":         keys.F12,
						"Insert":      keys.Insert,
						"PageUp":      keys.PageUp,
						"PageDown":    keys.PageDown,
						"Home":        keys.Home,
						"End":         keys.End,
						"Break":       keys.Break,
					}

					if key, ok := keymap[keyName]; ok {
						kp.Key = key
					} else {
						log.Debug("Unknown key: %s", keyName)
						continue
					}
				}
			} else {
				v := int64(data["keyCode"].(float64))
				if !kp.Shift {
					v = int64(unicode.ToLower(rune(v)))
				}
				kp.Key = keys.Key(v)
			}

			backend.GetEditor().HandleInput(kp)
		} else if msgType == "command" {
			command := data["name"].(string)
			//args := data["args"].([]string) //TODO: add arguments support

			ed := backend.GetEditor()
			go ed.RunCommand(command, make(backend.Args))
		} else {
//.........这里部分代码省略.........

//.........这里部分代码省略.........
		}
	}()

	{
		w, h := termbox.Size()
		t.lock.Lock()
		if *showConsole {
			t.layout[v] = layout{0, 0, w, h - *consoleHeight - 4, Region{}, 0}
			t.layout[c] = layout{0, h - *consoleHeight - 2, w, *consoleHeight - 1, Region{}, 0}
		} else {
			t.layout[v] = layout{0, 0, w, h - 3, Region{}, 0}
		}
		t.lock.Unlock()
		t.Show(v, Region{1, 1})
	}
	t.Show(v, Region{100, 100})
	t.Show(v, Region{1, 1})

	go func() {
		ed.Init()
		sublime.Init()
	}()

	for {
		p := util.Prof.Enter("mainloop")

		blink_phase := time.Second
		if p, ok := ed.Settings().Get("caret_blink_phase", 1.0).(float64); ok {
			blink_phase = time.Duration(float64(time.Second) * p)
		}

		// Divided by two since we're only doing a simple toggle blink
		timer := time.NewTimer(blink_phase / 2)
		select {
		case ev := <-evchan:
			mp := util.Prof.Enter("evchan")
			limit := 3
		loop:
			switch ev.Type {
			case termbox.EventError:
				log4go.Debug("error occured")
				return
			case termbox.EventResize:
				// We have to resize our layouts...
				// There is currently duplicate code for calculating the layout:
				// during initialization (above), and here. Not nice
				if *showConsole {
					view_layout := t.layout[v]
					view_layout.height = ev.Height - *consoleHeight - 4
					view_layout.width = ev.Width

					console_layout := t.layout[c]
					console_layout.y = ev.Height - *consoleHeight - 2
					console_layout.width = ev.Width

					t.layout[v] = view_layout
					t.layout[c] = console_layout
				} else {
					view_layout := t.layout[v]
					view_layout.height = ev.Height - 3
					view_layout.width = ev.Width
					t.layout[v] = view_layout
				}

				// Ensure that the new visible region is recalculated
				t.Show(v, t.VisibleRegion(v))
			case termbox.EventKey:
				var kp keys.KeyPress

				if ev.Ch != 0 {
					kp.Key = keys.Key(ev.Ch)
				} else if v2, ok := lut[ev.Key]; ok {
					kp = v2
				} else {
					break
				}

				if ev.Key == termbox.KeyCtrlQ {
					return
				}
				ed.HandleInput(kp)

				blink = false
			}
			if len(evchan) > 0 {
				limit--
				ev = <-evchan
				goto loop
			}
			mp.Exit()
		case <-timer.C:
			// TODO(q): Shouldn't redraw if blink is disabled...

			blink = !blink
			t.render()
		}
		timer.Stop()
		p.Exit()
	}
}