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