Start with gocui implementation

components/channels_new.go

@@ -0,0 +1,44 @@
+package components
+
+import (
+	"fmt"
+
+	"github.com/jroimartin/gocui"
+)
+
+type ChannelsNew struct {
+	Component
+	Items           []string
+	SelectedChannel int // index of which channel is selected from the Items
+	Offset          int // from what offset are channels rendered
+	CursorPosition  int // the y position of the 'cursor'
+}
+
+func CreateChannelsComponent(x, y, w, h int) *ChannelsNew {
+
+	channels := &ChannelsNew{}
+	channels.Name = "channels"
+	channels.Width = 10
+	channels.Height = h
+
+	return channels
+}
+
+// ... and implements the gocui.Manager interface
+func (c *ChannelsNew) Layout(g *gocui.Gui) error {
+	if v, err := g.SetView(c.Name, c.X, c.Y, c.X+c.Width, c.Y+c.Height); err != nil {
+		if err != gocui.ErrUnknownView {
+			return err
+		}
+
+		v.Highlight = true
+		v.SelBgColor = gocui.ColorGreen
+		v.SelFgColor = gocui.ColorBlack
+
+		for _, item := range c.Items {
+			fmt.Fprintln(v, item)
+		}
+
+	}
+	return nil
+}

components/components.go

@@ -0,0 +1,9 @@
+package components
+
+type Component struct {
+	Name   string
+	X      int
+	Y      int
+	Width  int
+	Height int
+}

components/debug.go

@@ -0,0 +1,13 @@
+package components
+
+import "github.com/jroimartin/gocui"
+
+type Debug struct {
+	Component
+	Text string
+}
+
+// ... and implements the gocui.Manager interface
+func (d *Debug) Layout(g *gocui.Gui) error {
+	return nil
+}

main.go

@@ -4,15 +4,12 @@ import (
 	"flag"
 	"fmt"
 	"log"
-	"os"
 	"os/user"
 	"path"
 
-	"github.com/erroneousboat/slack-term/context"
-	"github.com/erroneousboat/slack-term/handlers"
-	termbox "github.com/nsf/termbox-go"
+	"github.com/jroimartin/gocui"
 
-	"github.com/gizak/termui"
+	"github.com/erroneousboat/slack-term/context"
 )
 
 const (
@@ -59,49 +56,24 @@ func init() {
 }
 
 func main() {
-	// Start terminal user interface
-	err := termui.Init()
+	// Create context
+	appCTX, err := context.CreateAppContext(flgConfig)
 	if err != nil {
 		log.Fatal(err)
 	}
-	defer termui.Close()
+	defer appCTX.View.GUI.Close()
 
-	// Create custom event stream for termui because
-	// termui's one has data race conditions with its
-	// event handling. We're circumventing it here until
-	// it has been fixed.
-	customEvtStream := &termui.EvtStream{
-		Handlers: make(map[string]func(termui.Event)),
-	}
-	termui.DefaultEvtStream = customEvtStream
-
-	// Create context
-	ctx, err := context.CreateAppContext(flgConfig)
-	if err != nil {
-		termbox.Close()
-		log.Println(err)
-		os.Exit(0)
-	}
-
-	// Setup body
-	termui.Body.AddRows(
-		termui.NewRow(
-			termui.NewCol(ctx.Config.SidebarWidth, 0, ctx.View.Channels),
-			termui.NewCol(ctx.Config.MainWidth, 0, ctx.View.Chat),
-		),
-		termui.NewRow(
-			termui.NewCol(ctx.Config.SidebarWidth, 0, ctx.View.Mode),
-			termui.NewCol(ctx.Config.MainWidth, 0, ctx.View.Input),
-		),
-	)
-	termui.Body.Align()
-	termui.Render(termui.Body)
-
-	// Set body in context
-	ctx.Body = termui.Body
+	// Create the view
+	// view, err := views.CreateView(ctx)
+	// if err != nil {
+	// 	log.Fatal(err)
+	// }
+	// defer view.Close()
 
 	// Register handlers
-	handlers.RegisterEventHandlers(ctx)
+	// handlers.RegisterEventHandlers(app)
 
-	termui.Loop()
+	if err := appCTX.View.GUI.MainLoop(); err != nil && err != gocui.ErrQuit {
+		log.Fatal(err)
+	}
 }

views/chat.go

@@ -1,7 +1,10 @@
 package views
 
 import (
+	"log"
+
 	"github.com/gizak/termui"
+	"github.com/jroimartin/gocui"
 
 	"github.com/erroneousboat/slack-term/components"
 	"github.com/erroneousboat/slack-term/service"
@@ -12,13 +15,53 @@ type View struct {
 	Chat     *components.Chat
 	Channels *components.Channels
 	Mode     *components.Mode
+	Debug    *components.Debug
+	GUI      *gocui.Gui
 }
 
 func CreateChatView(svc *service.SlackService) *View {
+	g, err := gocui.NewGui(gocui.OutputNormal)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	view := &View{
+		GUI: g,
+	}
+
+	_, maxY := g.Size()
+
+	// Channels component
+	channels := components.CreateChannelsComponent(0, 0, 10, maxY-1)
+	// view.Channels = channels
+
+	// TODO Input component
+
+	// TODO Mode component
+
+	// TODO Chat component
+
+	// TODO Debug
+
+	g.SetManager(channels)
+
+	if err := g.SetKeybinding("", gocui.KeyCtrlC, gocui.ModNone, quit); err != nil {
+		log.Fatal(err)
+	}
+
+	return view
+
+}
+
+func CreateChatViewBKP(svc *service.SlackService) *View {
 	input := components.CreateInput()
 
 	channels := components.CreateChannels(svc, input.Par.Height)
 
+	// svc.GetChannels
+	// channels.SetChannels
+
+	// TODO pass through svc.GetMessages, not svc
 	chat := components.CreateChat(
 		svc,
 		input.Par.Height,
@@ -46,3 +89,7 @@ func (v *View) Refresh() {
 		v.Mode,
 	)
 }
+
+func quit(g *gocui.Gui, v *gocui.View) error {
+	return gocui.ErrQuit
+}