vendor: github.com/nsf/termbox-go and dependencies for rclone ncdu

2017-06-15 16:46:32 +01:00
parent e069fc439e
commit e31fc877e2
37 changed files with 6388 additions and 1 deletions
@@ -0,0 +1,109 @@
+package main
+
+import (
+	"fmt"
+	"github.com/nsf/termbox-go"
+	"strings"
+)
+
+func tbprint(x, y int, fg, bg termbox.Attribute, msg string) {
+	for _, c := range msg {
+		termbox.SetCell(x, y, c, fg, bg)
+		x++
+	}
+}
+
+var current string
+var curev termbox.Event
+
+func mouse_button_str(k termbox.Key) string {
+	switch k {
+	case termbox.MouseLeft:
+		return "MouseLeft"
+	case termbox.MouseMiddle:
+		return "MouseMiddle"
+	case termbox.MouseRight:
+		return "MouseRight"
+	case termbox.MouseRelease:
+		return "MouseRelease"
+	case termbox.MouseWheelUp:
+		return "MouseWheelUp"
+	case termbox.MouseWheelDown:
+		return "MouseWheelDown"
+	}
+	return "Key"
+}
+
+func mod_str(m termbox.Modifier) string {
+	var out []string
+	if m&termbox.ModAlt != 0 {
+		out = append(out, "ModAlt")
+	}
+	if m&termbox.ModMotion != 0 {
+		out = append(out, "ModMotion")
+	}
+	return strings.Join(out, " | ")
+}
+
+func redraw_all() {
+	const coldef = termbox.ColorDefault
+	termbox.Clear(coldef, coldef)
+	tbprint(0, 0, termbox.ColorMagenta, coldef, "Press 'q' to quit")
+	tbprint(0, 1, coldef, coldef, current)
+	switch curev.Type {
+	case termbox.EventKey:
+		tbprint(0, 2, coldef, coldef,
+			fmt.Sprintf("EventKey: k: %d, c: %c, mod: %s", curev.Key, curev.Ch, mod_str(curev.Mod)))
+	case termbox.EventMouse:
+		tbprint(0, 2, coldef, coldef,
+			fmt.Sprintf("EventMouse: x: %d, y: %d, b: %s, mod: %s",
+				curev.MouseX, curev.MouseY, mouse_button_str(curev.Key), mod_str(curev.Mod)))
+	case termbox.EventNone:
+		tbprint(0, 2, coldef, coldef, "EventNone")
+	}
+	tbprint(0, 3, coldef, coldef, fmt.Sprintf("%d", curev.N))
+	termbox.Flush()
+}
+
+func main() {
+	err := termbox.Init()
+	if err != nil {
+		panic(err)
+	}
+	defer termbox.Close()
+	termbox.SetInputMode(termbox.InputAlt | termbox.InputMouse)
+	redraw_all()
+
+	data := make([]byte, 0, 64)
+mainloop:
+	for {
+		if cap(data)-len(data) < 32 {
+			newdata := make([]byte, len(data), len(data)+32)
+			copy(newdata, data)
+			data = newdata
+		}
+		beg := len(data)
+		d := data[beg : beg+32]
+		switch ev := termbox.PollRawEvent(d); ev.Type {
+		case termbox.EventRaw:
+			data = data[:beg+ev.N]
+			current = fmt.Sprintf("%q", data)
+			if current == `"q"` {
+				break mainloop
+			}
+
+			for {
+				ev := termbox.ParseEvent(data)
+				if ev.N == 0 {
+					break
+				}
+				curev = ev
+				copy(data, data[curev.N:])
+				data = data[:len(data)-curev.N]
+			}
+		case termbox.EventError:
+			panic(ev.Err)
+		}
+		redraw_all()
+	}
+}