first working commit

display.go

@@ -0,0 +1,96 @@
+package main
+
+import (
+	"fmt"
+	"math"
+
+	"codeberg.org/lobo/nanite/widgets/pager"
+	"git.sr.ht/~rockorager/vaxis"
+	"git.sr.ht/~rockorager/vaxis/widgets/textinput"
+)
+
+func (app *App) InitUI() error {
+	var err error
+	app.vx, err = vaxis.New(vaxis.Options{})
+	if err != nil {
+		return err
+	}
+	app.input = textinput.New()
+	app.pager = &pager.Model{
+		WrapMode: pager.WrapWords,
+	}
+	app.resize()
+	return nil
+}
+
+func (app *App) FinishUI() {
+	app.vx.Close()
+}
+
+func (app *App) resize() {
+	app.dirty = true
+
+	win := app.vx.Window()
+	app.w.log = win.New(0, 1, win.Width, win.Height-3)
+	app.w.title = win.New(0, 0, win.Width, 1)
+	app.w.status = win.New(0, win.Height-2, win.Width, 1)
+	app.w.input = win.New(0, win.Height-1, win.Width, 1)
+	app.pager.Offset = math.MaxInt
+}
+
+func (app *App) Redraw() {
+	if !app.dirty {
+		return
+	}
+	app.dirty = false
+
+	// set window title and draw titlebar
+	app.w.title.Clear()
+	titlebarStyle := vaxis.Style{Attribute: vaxis.AttrBold}
+
+	if app.conn != nil {
+		app.vx.SetTitle(fmt.Sprintf("nanite (%s:%s)", app.host, app.port))
+		app.w.title.PrintTruncate(0,
+			vaxis.Segment{
+				Text:  "• ",
+				Style: titlebarStyle,
+			},
+			vaxis.Segment{
+				Text:  app.host,
+				Style: titlebarStyle,
+			},
+			vaxis.Segment{
+				Text:  ":",
+				Style: titlebarStyle,
+			},
+			vaxis.Segment{
+				Text:  app.port,
+				Style: titlebarStyle,
+			},
+		)
+	} else {
+		app.vx.SetTitle("nanite (disconnected)")
+		app.w.title.PrintTruncate(0,
+			vaxis.Segment{
+				Text:  "✖ (disconnected)",
+				Style: titlebarStyle,
+			},
+		)
+	}
+
+	// draw statusbar
+	statusStyle := vaxis.Style{Attribute: vaxis.AttrReverse}
+	app.w.status.Fill(vaxis.Cell{Style: statusStyle})
+	app.w.status.PrintTruncate(0,
+		vaxis.Segment{
+			Text:  app.nick,
+			Style: statusStyle,
+		},
+	)
+
+	// let the widgets draw themselves
+	app.pager.Layout()
+	app.pager.Draw(app.w.log)
+	app.input.Draw(app.w.input)
+	app.vx.Render()
+}