small refactor

layout.go

@@ -4,16 +4,14 @@ import "github.com/rivo/tview"
 
 func Layout(
 	app *tview.Application,
-	child1 *tview.TreeView,
-	child2 *tview.List,
-	child3 *tview.Box,
+	player *Player,
 ) *tview.Flex {
 
 	flex := tview.NewFlex().
-		AddItem(child1, 0, 1, false).
+		AddItem(player.tree, 0, 1, false).
 		AddItem(tview.NewFlex().SetDirection(tview.FlexRow).
-			AddItem(child2, 0, 7, false).
-			AddItem(child3, 0, 1, false), 0, 3, false)
+			AddItem(player.list, 0, 7, false).
+			AddItem(player.playingBar.frame, 0, 1, false), 0, 3, false)
 
 	return flex
 

playlist.go

@@ -15,14 +15,14 @@ type AudioFile struct {
 	Parent      *tview.TreeNode
 }
 
-func Playlist(list *tview.List, player *Player) *tview.TreeView {
+func Playlist(list *tview.List, playBar *Progress, player *Player) *tview.TreeView {
 
 	musicDir := "./music"
 
 	rootDir, err := filepath.Abs(musicDir)
 
 	if err != nil {
-		panic(err)
+		log(err.Error())
 	}
 
 	root := tview.NewTreeNode(musicDir)
@@ -69,6 +69,7 @@ func Playlist(list *tview.List, player *Player) *tview.TreeView {
 		case 'l':
 
 			if audioFile.IsAudioFile {
+
 				list.AddItem(audioFile.Name, audioFile.Path, 0, nil)
 				player.Push(audioFile.Path)
 
@@ -114,7 +115,7 @@ func populate(root *tview.TreeNode, rootPath string) {
 	files, err := ioutil.ReadDir(rootPath)
 
 	if err != nil {
-		panic(err)
+		log(err.Error())
 	}
 
 	for _, file := range files {

queue.go

@@ -5,7 +5,7 @@ import (
 	"github.com/rivo/tview"
 )
 
-func Queue(playlist *tview.Box) *tview.List {
+func Queue() *tview.List {
 
 	list := tview.NewList().
 		ShowSecondaryText(false)

start.go

@@ -19,15 +19,20 @@ func start(app *tview.Application) {
 
 	player := &Player{}
 
-	child3 := NowPlayingBar()
-	child2 := Queue(child3)
-	child1 := Playlist(child2, player)
+	child3 := PlayingBar(app)
+	child2 := Queue()
+	child1 := Playlist(child2, child3, player)
 
-	flex := Layout(app, child1, child2, child3)
+	player.tree = child1
+	player.list = child2
+	player.playingBar = child3
+	player.app = app
+
+	flex := Layout(app, player)
 
 	pages := tview.NewPages().AddPage("main", flex, true, true)
 
-	childrens := []Children{child1, child2, child3}
+	childrens := []Children{child1, child2, child3.frame}
 
 	app.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
 
@@ -52,12 +57,15 @@ func start(app *tview.Application) {
 			})
 
 		case ' ':
-			
-			if player.ctrl.Paused {
-				player.Play()
-			} else {
-				player.Pause()
-			}
+			player.TogglePause()			
+
+		case '+':
+
+			player.Volume(0.5)
+
+		case '-':
+
+			player.Volume(-0.5)
 
 		}
 
@@ -72,7 +80,7 @@ func start(app *tview.Application) {
 
 	// main loop
 	if err := app.SetRoot(pages, true).SetFocus(flex).Run(); err != nil {
-		panic(err)
+		log(err.Error())
 	}
 }
 

utils.go

@@ -10,7 +10,7 @@ func log(text string) {
 		panic(err)
 	}
 
-	if _, err := f.Write([]byte(text)); err != nil {
+	if _, err := f.Write([]byte(text + "\n")); err != nil {
 		panic(err)
 	}