117 lines
2.8 KiB
Go
117 lines
2.8 KiB
Go
package zenity
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import (
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"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 data zenutil.Msg
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data.Text = text
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data.Options.Timeout = zenutil.Timeout
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// dialog is more flexible, alert prettier
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var dialog bool
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if opts.icon != 0 { // use if we want to show a specific icon
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dialog = true
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} else if kind == questionKind && opts.cancelLabel == nil { // use for questions with default buttons
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dialog = true
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}
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if dialog {
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data.Operation = "displayDialog"
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data.Options.Title = opts.title
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switch opts.icon {
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case ErrorIcon:
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data.Options.Icon = "stop"
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case WarningIcon:
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data.Options.Icon = "caution"
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case InfoIcon, QuestionIcon:
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data.Options.Icon = "note"
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}
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} else {
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data.Operation = "displayAlert"
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if opts.title != nil {
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data.Text = *opts.title
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data.Options.Message = text
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}
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switch kind {
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case infoKind:
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data.Options.As = "informational"
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case warningKind:
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data.Options.As = "warning"
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case errorKind:
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data.Options.As = "critical"
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}
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}
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if kind == questionKind {
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// alert defaults to a single button, we need two
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if opts.cancelLabel == nil && !dialog {
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opts.cancelLabel = stringPtr("Cancel")
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}
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} else {
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// dialog defaults to two buttons, we need one
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if opts.okLabel == nil && dialog {
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opts.okLabel = stringPtr("OK")
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}
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// only questions have cancel
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opts.cancelLabel = nil
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}
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if opts.okLabel != nil || opts.cancelLabel != nil || opts.extraButton != nil {
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if opts.okLabel == nil {
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opts.okLabel = stringPtr("OK")
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}
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if kind == questionKind {
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if opts.cancelLabel == nil {
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opts.cancelLabel = stringPtr("Cancel")
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}
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if opts.extraButton == nil {
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data.Options.Buttons = []string{*opts.cancelLabel, *opts.okLabel}
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data.Options.Default = 2
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data.Options.Cancel = 1
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} else {
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data.Options.Buttons = []string{*opts.extraButton, *opts.cancelLabel, *opts.okLabel}
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data.Options.Default = 3
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data.Options.Cancel = 2
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}
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} else {
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if opts.extraButton == nil {
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data.Options.Buttons = []string{*opts.okLabel}
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data.Options.Default = 1
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} else {
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data.Options.Buttons = []string{*opts.extraButton, *opts.okLabel}
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data.Options.Default = 2
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}
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}
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data.Extra = opts.extraButton
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}
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if kind == questionKind && opts.defaultCancel {
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if data.Options.Cancel != 0 {
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data.Options.Default = data.Options.Cancel
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} else {
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data.Options.Default = 1
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}
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}
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out, err := zenutil.Run(opts.ctx, "msg", data)
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if err, ok := err.(*exec.ExitError); ok && err.ExitCode() == 1 {
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return false, nil
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}
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if err != nil {
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return false, err
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}
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if len(out) > 0 && opts.extraButton != nil &&
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string(out[:len(out)-1]) == *opts.extraButton {
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return false, ErrExtraButton
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}
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return true, err
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}
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