121 lines
2.6 KiB
Go
121 lines
2.6 KiB
Go
package zenity
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import (
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"context"
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"github.com/ncruces/zenity/internal/win"
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)
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func message(kind messageKind, text string, opts options) error {
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var flags uint32
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switch {
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case kind == questionKind && opts.extraButton != nil:
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flags |= win.MB_YESNOCANCEL
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case kind == questionKind:
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flags |= win.MB_OKCANCEL
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case opts.extraButton != nil:
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flags |= win.MB_YESNO
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default:
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opts.cancelLabel = opts.okLabel
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}
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switch opts.icon {
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case ErrorIcon:
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flags |= win.MB_ICONERROR
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case QuestionIcon:
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flags |= win.MB_ICONQUESTION
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case WarningIcon:
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flags |= win.MB_ICONWARNING
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case InfoIcon:
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flags |= win.MB_ICONINFORMATION
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case NoIcon:
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//
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default:
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switch kind {
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case errorKind:
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flags |= win.MB_ICONERROR
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case questionKind:
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flags |= win.MB_ICONQUESTION
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case warningKind:
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flags |= win.MB_ICONWARNING
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case infoKind:
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flags |= win.MB_ICONINFORMATION
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}
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}
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if kind == questionKind && opts.defaultCancel {
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if opts.extraButton == nil {
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flags |= win.MB_DEFBUTTON2
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} else {
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flags |= win.MB_DEFBUTTON3
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}
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}
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owner, _ := opts.attach.(win.HWND)
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defer setup(owner)()
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unhook, err := hookMessageDialog(opts)
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if err != nil {
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return err
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}
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defer unhook()
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var title *uint16
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if opts.title != nil {
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title = strptr(*opts.title)
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}
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s, err := win.MessageBox(owner, strptr(text), title, flags)
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if opts.ctx != nil && opts.ctx.Err() != nil {
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return opts.ctx.Err()
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}
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switch s {
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case win.IDOK, win.IDYES:
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return nil
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case win.IDCANCEL:
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return ErrCanceled
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case win.IDNO:
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return ErrExtraButton
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default:
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return err
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}
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}
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func hookMessageDialog(opts options) (context.CancelFunc, error) {
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var init func(wnd win.HWND)
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var icon icon
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if opts.okLabel != nil || opts.cancelLabel != nil || opts.extraButton != nil || opts.icon != nil {
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init = func(wnd win.HWND) {
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if opts.okLabel != nil {
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win.SetDlgItemText(wnd, win.IDOK, strptr(quoteAccelerators(*opts.okLabel)))
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win.SetDlgItemText(wnd, win.IDYES, strptr(quoteAccelerators(*opts.okLabel)))
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}
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if opts.cancelLabel != nil {
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win.SetDlgItemText(wnd, win.IDCANCEL, strptr(quoteAccelerators(*opts.cancelLabel)))
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}
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if opts.extraButton != nil {
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win.SetDlgItemText(wnd, win.IDNO, strptr(quoteAccelerators(*opts.extraButton)))
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}
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if icon.handle != 0 {
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ctl, _ := win.GetDlgItem(wnd, win.IDC_STATIC_OK)
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win.SendMessage(ctl, win.STM_SETICON, uintptr(icon.handle), 0)
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}
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}
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}
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icon, err := getIcon(opts.icon)
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if err != nil {
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return nil, err
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}
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unhook, err := hookDialog(opts.ctx, opts.windowIcon, nil, init)
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if err != nil {
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icon.delete()
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return nil, err
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}
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return func() {
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icon.delete()
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unhook()
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}, nil
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}
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