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pool_x.go
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/
pool_x.go
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//go:build linux || darwin || freebsd || netbsd || openbsd || solaris || dragonfly || plan9 || aix
// +build linux darwin freebsd netbsd openbsd solaris dragonfly plan9 aix
package pb
import (
"fmt"
"os"
"strings"
"github.com/cheggaaa/pb/v3/termutil"
)
func (p *Pool) print(first bool) bool {
p.m.Lock()
defer p.m.Unlock()
var out string
if !first {
out = fmt.Sprintf("\033[%dA", p.lastBarsCount)
}
isFinished := true
bars := p.bars
rows, cols, err := termutil.TerminalSize()
if err != nil {
cols = defaultBarWidth
}
if rows > 0 && len(bars) > rows {
// we need to hide bars that overflow terminal height
bars = bars[len(bars)-rows:]
}
for _, bar := range bars {
if !bar.IsFinished() {
isFinished = false
}
bar.SetWidth(cols)
result := bar.String()
if r := cols - CellCount(result); r > 0 {
result += strings.Repeat(" ", r)
}
out += fmt.Sprintf("\r%s\n", result)
}
if p.Output != nil {
fmt.Fprint(p.Output, out)
} else {
fmt.Fprint(os.Stderr, out)
}
p.lastBarsCount = len(bars)
return isFinished
}