77 lines
1.3 KiB
Go
77 lines
1.3 KiB
Go
//go:build windows || darwin || dev
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package main
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import (
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"bufio"
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"math"
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"os"
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"strconv"
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"strings"
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"github.com/ncruces/zenity"
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"github.com/ncruces/zenity/internal/zencmd"
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)
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func progress(opts ...zenity.Option) (err error) {
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const scale = 16777216
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opts = append(opts, zenity.MaxValue(scale*100))
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dlg, err := zenity.Progress(opts...)
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if err != nil {
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return err
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}
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if autoKill {
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defer func() {
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if err == zenity.ErrCanceled {
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zencmd.KillParent()
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}
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}()
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}
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if err := dlg.Text(text); err != nil {
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return err
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}
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if err := dlg.Value(int(math.Round(scale * percentage))); err != nil {
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return err
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}
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lines := make(chan string)
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go func() {
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defer close(lines)
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for scanner := bufio.NewScanner(os.Stdin); scanner.Scan(); {
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lines <- scanner.Text()
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}
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}()
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for {
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select {
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case line, ok := <-lines:
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if !ok {
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break
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}
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if len(line) > 1 && line[0] == '#' {
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if err := dlg.Text(strings.TrimSpace(line[1:])); err != nil {
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return err
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}
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} else if v, err := strconv.ParseFloat(line, 64); err == nil {
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if err := dlg.Value(int(math.Round(scale * v))); err != nil {
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return err
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}
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}
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continue
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case <-dlg.Done():
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}
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break
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}
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if err := dlg.Complete(); err != nil {
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return err
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}
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if !autoClose {
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<-dlg.Done()
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}
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return dlg.Close()
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}
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