ncurses fuer go

cursestest/go.mod

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+module nctest
+
+go 1.26.1
+
+require github.com/rthornton128/goncurses v0.0.0-20251206192105-7e6d2302acca // indirect

cursestest/go.sum

@@ -0,0 +1,2 @@
+github.com/rthornton128/goncurses v0.0.0-20251206192105-7e6d2302acca h1:kFR/H0Y6K2vP5EU0lYLoRWXIiLPztK1r6DTUeSkNo08=
+github.com/rthornton128/goncurses v0.0.0-20251206192105-7e6d2302acca/go.mod h1:AHlKFomPTwmO7H2vL8d7VNrQNQmhMi/DBhDnHRhjbCo=

cursestest/nctest.go

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+// goncurses - ncurses library for Go.
+// Copyright 2011 Rob Thornton. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+/* This example show a basic menu similar to that found in the ncurses
+ * examples from TLDP */
+package main
+
+import (
+	"log"
+
+	. "github.com/rthornton128/goncurses"
+)
+
+const (
+	HEIGHT = 10
+	WIDTH  = 30
+)
+
+func main() {
+	var active int
+	menu := []string{"Choice 1", "Choice 2", "Choice 3", "Choice 4", "Exit"}
+
+	stdscr, err := Init()
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer End()
+
+	Raw(true)
+	Echo(false)
+	Cursor(0)
+	stdscr.Clear()
+	stdscr.Keypad(true)
+
+	my, mx := stdscr.MaxYX()
+	y, x := 2, (mx/2)-(WIDTH/2)
+
+	win, _ := NewWindow(HEIGHT, WIDTH, y, x)
+	win.Keypad(true)
+
+	stdscr.Print("Use arrow keys to go up and down, Press enter to select")
+	stdscr.Refresh()
+
+	printmenu(win, menu, active)
+
+	for {
+		ch := stdscr.GetChar()
+		switch Key(ch) {
+		case 'q':
+			return
+		case KEY_UP:
+			if active == 0 {
+				active = len(menu) - 1
+			} else {
+				active -= 1
+			}
+		case KEY_DOWN:
+			if active == len(menu)-1 {
+				active = 0
+			} else {
+				active += 1
+			}
+		case KEY_RETURN, KEY_ENTER, Key('\r'):
+			stdscr.MovePrintf(my-2, 0, "Choice #%d: %s selected",
+				active,
+				menu[active])
+			stdscr.ClearToEOL()
+			stdscr.Refresh()
+		default:
+			stdscr.MovePrintf(my-2, 0, "Character pressed = %3d/%c",
+				ch, ch)
+			stdscr.ClearToEOL()
+			stdscr.Refresh()
+		}
+
+		printmenu(win, menu, active)
+	}
+}
+
+func printmenu(w *Window, menu []string, active int) {
+	y, x := 2, 2
+	w.Box(0, 0)
+	for i, s := range menu {
+		if i == active {
+			w.AttrOn(A_REVERSE)
+			w.MovePrint(y+i, x, s)
+			w.AttrOff(A_REVERSE)
+		} else {
+			w.MovePrint(y+i, x, s)
+		}
+	}
+	w.Refresh()
+}