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// SPDX-FileCopyrightText: 2022 UnionTech Software Technology Co., Ltd.
//
// SPDX-License-Identifier: GPL-3.0-or-later
package randr
import "github.com/linuxdeepin/go-x11-client"
type ScreenChangeNotifyEvent struct {
Rotation uint8
Sequence uint16
Timestamp x.Timestamp
ConfigTimestamp x.Timestamp
Root x.Window
RequestWindow x.Window
SizeID uint16
SubpixelOrder uint16
Width uint16
Height uint16
MmWidth uint16
MmHeight uint16
}
func readScreenChangeNotifyEvent(r *x.Reader, v *ScreenChangeNotifyEvent) error {
if !r.RemainAtLeast4b(8) {
return x.ErrDataLenShort
}
v.Rotation, v.Sequence = r.ReadEventHeader()
v.Timestamp = x.Timestamp(r.Read4b())
v.ConfigTimestamp = x.Timestamp(r.Read4b())
v.Root = x.Window(r.Read4b())
v.RequestWindow = x.Window(r.Read4b()) // 5
v.SizeID = r.Read2b()
v.SubpixelOrder = r.Read2b()
v.Width = r.Read2b()
v.Height = r.Read2b()
v.MmWidth = r.Read2b()
v.MmHeight = r.Read2b() // 8
return nil
}
type NotifyEvent struct {
SubCode uint8
Sequence uint16
Data []byte
}
func readNotifyEvent(r *x.Reader, v *NotifyEvent) error {
if !r.RemainAtLeast4b(8) {
return x.ErrDataLenShort
}
v.SubCode, v.Sequence = r.ReadEventHeader()
v.Data = r.MustReadBytes(28) // 8
return nil
}
func (e *NotifyEvent) NewCrtcChangeNotifyEvent() (*CrtcChangeNotifyEvent, error) {
var ev CrtcChangeNotifyEvent
r := x.NewReaderFromData(e.Data)
err := readCrtcChangeNotifyEvent(r, &ev)
if err != nil {
return nil, err
}
return &ev, nil
}
func (e *NotifyEvent) NewOutputChangeNotifyEvent() (*OutputChangeNotifyEvent, error) {
var ev OutputChangeNotifyEvent
r := x.NewReaderFromData(e.Data)
err := readOutputChangeNotifyEvent(r, &ev)
if err != nil {
return nil, err
}
return &ev, nil
}
func (e *NotifyEvent) NewOutputPropertyNotifyEvent() (*OutputPropertyNotifyEvent,
error) {
var ev OutputPropertyNotifyEvent
r := x.NewReaderFromData(e.Data)
err := readOutputPropertyNotifyEvent(r, &ev)
if err != nil {
return nil, err
}
return &ev, nil
}
func (e *NotifyEvent) NewResourceChangeNotifyEvent() (*ResourceChangeNotifyEvent,
error) {
var ev ResourceChangeNotifyEvent
r := x.NewReaderFromData(e.Data)
err := readResourceChangeNotifyEvent(r, &ev)
if err != nil {
return nil, err
}
return &ev, nil
}
type CrtcChangeNotifyEvent struct {
Timestamp x.Timestamp
Window x.Window
Crtc Crtc
Mode Mode
Rotation uint16
X, Y int16
Width, Height uint16
}
func readCrtcChangeNotifyEvent(r *x.Reader, v *CrtcChangeNotifyEvent) error {
if !r.RemainAtLeast4b(7) {
return x.ErrDataLenShort
}
v.Timestamp = x.Timestamp(r.Read4b())
v.Window = x.Window(r.Read4b())
v.Crtc = Crtc(r.Read4b())
v.Mode = Mode(r.Read4b())
v.Rotation = r.Read2b()
r.ReadPad(2) // 5
v.X = int16(r.Read2b())
v.Y = int16(r.Read2b())
v.Width = r.Read2b()
v.Height = r.Read2b() // 7
return nil
}
type OutputChangeNotifyEvent struct {
Timestamp x.Timestamp
ConfigTimestamp x.Timestamp
Window x.Window
Output Output
Crtc Crtc
Mode Mode
Rotation uint16
Connection uint8
SubPixelOrder uint8
}
func readOutputChangeNotifyEvent(r *x.Reader, v *OutputChangeNotifyEvent) error {
if !r.RemainAtLeast4b(7) {
return x.ErrDataLenShort
}
v.Timestamp = x.Timestamp(r.Read4b())
v.ConfigTimestamp = x.Timestamp(r.Read4b())
v.Window = x.Window(r.Read4b())
v.Output = Output(r.Read4b())
v.Crtc = Crtc(r.Read4b()) // 5
v.Mode = Mode(r.Read4b())
v.Rotation = r.Read2b()
v.Connection = r.Read1b()
v.SubPixelOrder = r.Read1b() // 7
return nil
}
type OutputPropertyNotifyEvent struct {
Window x.Window
Output Output
Atom x.Atom
Timestamp x.Timestamp
Status uint8
}
func readOutputPropertyNotifyEvent(r *x.Reader, v *OutputPropertyNotifyEvent) error {
if !r.RemainAtLeast4b(5) {
return x.ErrDataLenShort
}
v.Window = x.Window(r.Read4b())
v.Output = Output(r.Read4b())
v.Atom = x.Atom(r.Read4b())
v.Timestamp = x.Timestamp(r.Read4b())
v.Status = r.Read1b() // 5
return nil
}
type ResourceChangeNotifyEvent struct {
Timestamp x.Timestamp
Window x.Window
}
func readResourceChangeNotifyEvent(r *x.Reader, v *ResourceChangeNotifyEvent) error {
if !r.RemainAtLeast4b(2) {
return x.ErrDataLenShort
}
v.Timestamp = x.Timestamp(r.Read4b())
v.Window = x.Window(r.Read4b())
return nil
}
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