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// SPDX-FileCopyrightText: 2022 UnionTech Software Technology Co., Ltd.
//
// SPDX-License-Identifier: GPL-3.0-or-later
package icccm
import (
"errors"
x "github.com/linuxdeepin/go-x11-client"
"golang.org/x/text/encoding/charmap"
)
func convertLatin1ToUTF8(p []byte) (string, error) {
dec := charmap.ISO8859_1.NewDecoder()
result, err := dec.Bytes(p)
if err != nil {
return "", err
}
return string(result), nil
}
type GetTextCookie x.GetPropertyCookie
type TextProperty struct {
Value []byte
Encoding x.Atom
Format uint8
}
func (tp *TextProperty) GetStr() (string, error) {
if tp.Format != 8 || tp.Encoding != x.AtomString {
return "", errors.New("unsupported encoding")
}
return convertLatin1ToUTF8(tp.Value)
}
func getTextProperty(c *x.Conn, window x.Window, property x.Atom) GetTextCookie {
cookie := x.GetProperty(c, false, window, property, x.AtomAny, 0, getPropertyMaxLength)
return GetTextCookie(cookie)
}
func (cookie GetTextCookie) Reply(c *x.Conn) (TextProperty, error) {
reply, err := x.GetPropertyCookie(cookie).Reply(c)
if err != nil {
return TextProperty{}, err
}
return getTextPropertyFromReply(reply)
}
func getTextPropertyFromReply(reply *x.GetPropertyReply) (TextProperty, error) {
if reply.Type == x.None {
return TextProperty{}, errors.New("not found property")
}
return TextProperty{
Value: reply.Value,
Encoding: reply.Type,
Format: reply.Format,
}, nil
}
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