tinybox

rm showcase

diff --git a/demo/tinyfm.go b/demo/tinyfm.go
deleted file mode 100644
index df7dfa5..0000000
--- a/demo/tinyfm.go
+++ /dev/null
@@ -1,195 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"os"
-	"path/filepath"
-	"sort"
-	tb "tinybox-example/tinybox"
-)
-
-type entry struct {
-	name string
-	dir  bool
-}
-
-type state struct {
-	path   string
-	items  []entry
-	sel    int
-	scroll int
-	msg    string
-}
-
-func main() {
-	st := &state{path: startPath()}
-	st.reload()
-	if err := tb.Init(); err != nil {
-		fmt.Fprintln(os.Stderr, "tinyfm:", err)
-		return
-	}
-	defer tb.Close()
-	tb.SetCursorVisible(false)
-	for {
-		draw(st)
-		evt, err := tb.PollEvent()
-		if err != nil {
-			st.msg = err.Error()
-			continue
-		}
-		if evt.Type != tb.EventKey {
-			continue
-		}
-		switch evt.Key {
-		case tb.KeyCtrlC, tb.KeyEscape:
-			return
-		case tb.KeyArrowUp:
-			st.move(-1)
-		case tb.KeyArrowDown:
-			st.move(1)
-		case tb.KeyEnter:
-			st.openSelection()
-		case tb.KeyBackspace:
-			st.up()
-		default:
-			if evt.Ch == 'q' || evt.Ch == 'Q' {
-				return
-			}
-		}
-	}
-}
-
-func startPath() string {
-	if len(os.Args) > 1 {
-		if abs, err := filepath.Abs(os.Args[1]); err == nil {
-			return abs
-		}
-	}
-	if pwd, err := os.Getwd(); err == nil {
-		return pwd
-	}
-	return "."
-}
-
-func (s *state) reload() {
-	entries, err := os.ReadDir(s.path)
-	if err != nil {
-		s.items = nil
-		s.msg = err.Error()
-		return
-	}
-	list := make([]entry, 0, len(entries))
-	for _, e := range entries {
-		list = append(list, entry{name: e.Name(), dir: e.IsDir()})
-	}
-	sort.Slice(list, func(i, j int) bool {
-		if list[i].dir == list[j].dir {
-			return list[i].name < list[j].name
-		}
-		return list[i].dir
-	})
-	s.items = list
-	if s.sel >= len(list) {
-		s.sel = len(list) - 1
-	}
-	if s.sel < 0 {
-		s.sel = 0
-	}
-	if len(list) == 0 {
-		s.sel = 0
-	}
-	s.msg = ""
-}
-
-func (s *state) move(step int) {
-	if len(s.items) == 0 {
-		s.sel = 0
-		return
-	}
-	s.sel += step
-	if s.sel < 0 {
-		s.sel = 0
-	} else if s.sel >= len(s.items) {
-		s.sel = len(s.items) - 1
-	}
-}
-
-func (s *state) openSelection() {
-	if len(s.items) == 0 {
-		return
-	}
-	it := s.items[s.sel]
-	next := filepath.Join(s.path, it.name)
-	if it.dir {
-		s.path = next
-		s.sel, s.scroll = 0, 0
-		s.reload()
-		return
-	}
-	s.msg = next
-}
-
-func (s *state) up() {
-	parent := filepath.Dir(s.path)
-	if parent == s.path {
-		return
-	}
-	s.path = parent
-	s.sel, s.scroll = 0, 0
-	s.reload()
-}
-
-func draw(s *state) {
-	tb.Clear()
-	w, h := tb.Size()
-	if w <= 0 || h <= 2 {
-		tb.Flush()
-		return
-	}
-	tb.SetColor(14, 0)
-	tb.PrintAt(0, 0, " "+s.path)
-	tb.SetColor(8, 0)
-	tb.PrintAt(0, 1, " arrows navigate · enter open · backspace up · q quit")
-	viewTop := 2
-	view := h - viewTop - 1
-	if view < 1 {
-		view = 1
-	}
-	if s.sel < s.scroll {
-		s.scroll = s.sel
-	}
-	if s.sel >= s.scroll+view {
-		s.scroll = s.sel - view + 1
-	}
-	if max := len(s.items) - view; max >= 0 && s.scroll > max {
-		s.scroll = max
-	}
-	for i := 0; i < view && s.scroll+i < len(s.items); i++ {
-		idx := s.scroll + i
-		it := s.items[idx]
-		y := viewTop + i
-		if idx == s.sel {
-			tb.SetColor(0, 12)
-		} else if it.dir {
-			tb.SetColor(11, 0)
-		} else {
-			tb.SetColor(15, 0)
-		}
-		tb.PrintAt(0, y, formatEntry(it))
-	}
-	tb.SetColor(8, 0)
-	status := s.msg
-	if status == "" {
-		status = fmt.Sprintf("%d item(s)", len(s.items))
-	}
-	tb.PrintAt(0, h-1, " "+status)
-	tb.Flush()
-}
-
-func formatEntry(e entry) string {
-	name := e.name
-	if e.dir {
-		name += "/"
-	}
-	return " " + name
-}