65 lines
1.5 KiB
Go
65 lines
1.5 KiB
Go
// Package zenity provides cross-platform access to simple dialogs that interact
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// graphically with the user.
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//
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// It is inspired by, and closely follows the API of, the zenity program, which
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// it uses to provide the functionality on various Unixes. See:
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//
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// https://help.gnome.org/users/zenity/stable/
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//
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// This package does not require cgo, and it does not impose any threading or
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// initialization requirements.
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package zenity
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import "image/color"
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type constError string
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func (e constError) Error() string { return string(e) }
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type options struct {
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// General options
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title string
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// File selection options
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filename string
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directory bool
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confirmOverwrite bool
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confirmCreate bool
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showHidden bool
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fileFilters []FileFilter
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// Color selection options
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color color.Color
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showPalette bool
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// Message options
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icon MessageIcon
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okLabel string
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cancelLabel string
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extraButton string
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noWrap bool
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ellipsize bool
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defaultCancel bool
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}
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// An Option is an argument passed to dialog functions to customize their
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// behavior.
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type Option interface {
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apply(*options)
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}
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type funcOption func(*options)
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func (f funcOption) apply(o *options) { f(o) }
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func applyOptions(options []Option) (res options) {
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for _, o := range options {
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o.apply(&res)
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}
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return
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}
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// Title returns an Option to set the dialog title.
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func Title(title string) Option {
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return funcOption(func(o *options) { o.title = title })
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}
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