zenity/msg_unix.go

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// +build !windows,!darwin
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package zenity
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import (
"os/exec"
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"github.com/ncruces/zenity/internal/zenutil"
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)
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func message(kind messageKind, text string, options []Option) (bool, error) {
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opts := applyOptions(options)
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var args []string
switch kind {
case questionKind:
args = append(args, "--question")
case infoKind:
args = append(args, "--info")
case warningKind:
args = append(args, "--warning")
case errorKind:
args = append(args, "--error")
}
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if text != "" {
args = append(args, "--text", text, "--no-markup")
}
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if opts.title != "" {
args = append(args, "--title", opts.title)
}
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if opts.okLabel != "" {
args = append(args, "--ok-label", opts.okLabel)
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}
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if opts.cancelLabel != "" {
args = append(args, "--cancel-label", opts.cancelLabel)
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}
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if opts.extraButton != "" {
args = append(args, "--extra-button", opts.extraButton)
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}
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if opts.noWrap {
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args = append(args, "--no-wrap")
}
if opts.ellipsize {
args = append(args, "--ellipsize")
}
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if opts.defaultCancel {
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args = append(args, "--default-cancel")
}
switch opts.icon {
case ErrorIcon:
args = append(args, "--icon-name=dialog-error")
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case WarningIcon:
args = append(args, "--icon-name=dialog-warning")
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case InfoIcon:
args = append(args, "--icon-name=dialog-information")
case QuestionIcon:
args = append(args, "--icon-name=dialog-question")
}
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out, err := zenutil.Run(args)
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if err, ok := err.(*exec.ExitError); ok && err.ExitCode() != 255 {
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if len(out) > 0 && string(out[:len(out)-1]) == opts.extraButton {
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return false, ErrExtraButton
}
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return false, nil
}
if err != nil {
return false, err
}
return true, err
}