Started working on TUI

t/internal/tui/tui.go

@@ -0,0 +1,77 @@
+// Package tui
+package tui
+
+import (
+	dom "esdi/t/internal/dom"
+	"esdi/t/internal/views"
+	"fmt"
+
+	"github.com/gdamore/tcell/v2"
+	"github.com/rivo/tview"
+)
+
+type TUI struct {
+	App *tview.Application
+	Dom *dom.DOM
+}
+
+var (
+	application *TUI
+	initiated   = false
+)
+
+func NewTUI() *TUI {
+	return &TUI{
+		App: tview.NewApplication(),
+		Dom: dom.NewDOM(),
+	}
+}
+
+func (t *TUI) Start() error {
+	// The app starts running here!
+	//
+	// Set the event capture for the global app itself here
+	t.App.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
+		if event.Key() == tcell.KeyCtrlC || event.Rune() == 'q' {
+			t.App.Stop()
+			return nil
+		}
+
+		return event
+	})
+
+	ctx := &views.UIContext{
+		Redraw: func() {
+			t.App.QueueUpdateDraw(func() {})
+		},
+	}
+
+	// Set the main view
+	mainUINode, err := views.BuildMainFlex(t.Dom, ctx)
+	if err != nil {
+		panic(fmt.Errorf("failed to build main flex - %s", err.Error()))
+	}
+
+	rootNode, err := t.Dom.NewUINode("root", nil, mainUINode)
+	if err != nil {
+		panic(fmt.Errorf("failed to create root node - %s", err.Error()))
+	}
+
+	t.Dom.SetRoot(rootNode)
+	firstFocus := t.Dom.GetElemByID("device-api-list")
+	if firstFocus == nil {
+		panic(fmt.Errorf("`list-window` isn't registered"))
+	}
+
+	// Star the app
+	err = t.App.SetRoot(t.Dom.GetRootElem(), true).SetFocus(firstFocus).Run()
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func Init() {
+	initiated = true
+}