ignore input during exec and refresh after

main.go

@@ -114,7 +114,7 @@ func main() {
 	sort.Sort(menu.ByOptions(tags))
 	root.Options = tags
 
-	mt := menu.NewMenu()
+	mt := menu.NewMenu(app)
 	mt.SetStyle(s)
 	mt.SetSelectedStyle(ss)
 	mt.SetCurrent(root)

pkg/menu/menu.go

@@ -4,6 +4,7 @@ import (
 	"sync"
 
 	"github.com/gdamore/tcell"
+	"github.com/gdamore/tcell/views"
 )
 
 type Menu struct {
@@ -12,20 +13,6 @@ type Menu struct {
 	MenuView
 }
 
-// func (m *Menu) SetLines(lines []string) {
-// 	m.Init()
-// 	mm := m.model
-// 	mm.width = 0
-// 	mm.height = len(lines)
-// 	mm.lines = lines
-// 	for _, l := range lines {
-// 		if len(l) > mm.width {
-// 			mm.width = len(l)
-// 		}
-// 	}
-// 	m.MenuView.SetModel(mm)
-// }
-
 func (m *Menu) SetCurrent(option Option) {
 	m.Init()
 	mm := m.model
@@ -34,14 +21,6 @@ func (m *Menu) SetCurrent(option Option) {
 	m.MenuView.SetModel(mm)
 }
 
-// func (m *Menu) SetOptions(options []Option) {
-// 	m.Init()
-// 	mm := m.model
-// 	mm.SetOptions(options)
-
-// 	m.MenuView.SetModel(mm)
-// }
-
 func (m *Menu) SetStyle(style tcell.Style) {
 	m.model.style = style
 	m.MenuView.SetStyle(style)
@@ -74,8 +53,9 @@ func (m *Menu) Init() {
 	})
 }
 
-func NewMenu() *Menu {
+func NewMenu(app *views.Application) *Menu {
 	m := &Menu{}
 	m.Init()
+	m.app = app
 	return m
 }

pkg/menu/menu_model.go

@@ -7,17 +7,14 @@ import (
 type MenuModel interface {
 	GetBounds() (int, int)
 	GetCurrent() Option
-	//GetParent() *Option
 	GetCursor() (int, bool, bool)
 	GetOption(int) Option
 	MoveCursor(y int)
 	SetCurrent(Option)
-	//SetParent(*Option)
 	SetCursor(int)
 }
 
 type menuModel struct {
-	//parent  *Option
 	current Option
 
 	width  int
@@ -33,14 +30,6 @@ func (m *menuModel) GetBounds() (int, int) {
 	return m.width, m.height
 }
 
-// func (m *menuModel) GetParent() *Option {
-// 	return m.parent
-// }
-
-// func (m *menuModel) SetParent(opt *Option) {
-// 	m.parent = opt
-// }
-
 func (m *menuModel) GetCurrent() Option {
 	return m.current
 }

pkg/menu/menu_view.go

@@ -3,6 +3,7 @@ package menu
 import (
 	"os"
 	"os/exec"
+	"runtime"
 	"sync"
 
 	"github.com/gdamore/tcell"
@@ -12,8 +13,10 @@ import (
 )
 
 type MenuView struct {
+	app           *views.Application
 	style         tcell.Style
 	selectedStyle tcell.Style
+	handleEvents  bool
 
 	model MenuModel
 	view  views.View
@@ -24,9 +27,13 @@ type MenuView struct {
 }
 
 func (mv *MenuView) HandleEvent(e tcell.Event) bool {
+	if !mv.handleEvents {
+		return true
+	}
 	if mv.model == nil {
 		return false
 	}
+
 	switch e := e.(type) {
 	case *tcell.EventKey:
 		switch e.Key() {
@@ -174,17 +181,10 @@ func puts(s views.View, style tcell.Style, x, y int, str string) {
 }
 
 func (mv *MenuView) keyBack() {
-	// p := mv.model.GetParent()
-	// if p == nil {
-	// 	return
-	// }
-
 	cur := mv.model.GetCurrent()
-
 	if cur.parent == nil {
 		return
 	}
-
 	mv.model.SetCurrent(*cur.parent)
 	w, h := mv.model.GetBounds()
 	mv.port.SetContentSize(w, h, true)
@@ -201,11 +201,9 @@ func (mv *MenuView) keyEnter() {
 	}
 
 	y, _, _ = mv.model.GetCursor()
+	cur := mv.model.GetCurrent()
 	opt := mv.model.GetOption(y)
 	opt.y = y
-
-	cur := mv.model.GetCurrent()
-
 	opt.parent = &cur
 
 	switch opt.Action {
@@ -221,14 +219,19 @@ func (mv *MenuView) keyEnter() {
 		if len(opt.Args) == 0 {
 			return
 		}
+
 		cmd := exec.Command(opt.Args[0], opt.Args[1:]...)
 		cmd.Stdin = os.Stdin
 		cmd.Stdout = os.Stdout
-		err := cmd.Run()
-		mv.Draw()
-		if err != nil {
-			return
-		}
+
+		mv.handleEvents = false
+		runtime.LockOSThread()
+		_ = cmd.Run()
+
+		runtime.UnlockOSThread()
+		mv.handleEvents = true
+		mv.port.Clear()
+		mv.app.Refresh()
 	}
 }
 
@@ -363,6 +366,7 @@ func (mv *MenuView) SetSelectedStyle(s tcell.Style) {
 
 func (mv *MenuView) Init() {
 	mv.selectedStyle = mv.style.Reverse(true)
+	mv.handleEvents = true
 
 	mv.once.Do(func() {
 		mv.port = views.NewViewPort(nil, 0, 0, 0, 0)