Godeps: update all dependencies to latest code

Godeps/_workspace/src/github.com/gizak/termui/widget.go

@@ -0,0 +1,94 @@
+// Copyright 2016 Zack Guo <gizak@icloud.com>. All rights reserved.
+// Use of this source code is governed by a MIT license that can
+// be found in the LICENSE file.
+
+package termui
+
+import (
+	"fmt"
+	"sync"
+)
+
+// event mixins
+type WgtMgr map[string]WgtInfo
+
+type WgtInfo struct {
+	Handlers map[string]func(Event)
+	WgtRef   Widget
+	Id       string
+}
+
+type Widget interface {
+	Id() string
+}
+
+func NewWgtInfo(wgt Widget) WgtInfo {
+	return WgtInfo{
+		Handlers: make(map[string]func(Event)),
+		WgtRef:   wgt,
+		Id:       wgt.Id(),
+	}
+}
+
+func NewWgtMgr() WgtMgr {
+	wm := WgtMgr(make(map[string]WgtInfo))
+	return wm
+
+}
+
+func (wm WgtMgr) AddWgt(wgt Widget) {
+	wm[wgt.Id()] = NewWgtInfo(wgt)
+}
+
+func (wm WgtMgr) RmWgt(wgt Widget) {
+	wm.RmWgtById(wgt.Id())
+}
+
+func (wm WgtMgr) RmWgtById(id string) {
+	delete(wm, id)
+}
+
+func (wm WgtMgr) AddWgtHandler(id, path string, h func(Event)) {
+	if w, ok := wm[id]; ok {
+		w.Handlers[path] = h
+	}
+}
+
+func (wm WgtMgr) RmWgtHandler(id, path string) {
+	if w, ok := wm[id]; ok {
+		delete(w.Handlers, path)
+	}
+}
+
+var counter struct {
+	sync.RWMutex
+	count int
+}
+
+func GenId() string {
+	counter.Lock()
+	defer counter.Unlock()
+
+	counter.count += 1
+	return fmt.Sprintf("%d", counter.count)
+}
+
+func (wm WgtMgr) WgtHandlersHook() func(Event) {
+	return func(e Event) {
+		for _, v := range wm {
+			if k := findMatch(v.Handlers, e.Path); k != "" {
+				v.Handlers[k](e)
+			}
+		}
+	}
+}
+
+var DefaultWgtMgr WgtMgr
+
+func (b *Block) Handle(path string, handler func(Event)) {
+	if _, ok := DefaultWgtMgr[b.Id()]; !ok {
+		DefaultWgtMgr.AddWgt(b)
+	}
+
+	DefaultWgtMgr.AddWgtHandler(b.Id(), path, handler)
+}