wm/vend/xgb/composite/composite.go

722 lines
23 KiB
Go

// Package composite is the X client API for the Composite extension.
package composite
// This file is automatically generated from composite.xml. Edit at your peril!
import (
"github.com/jezek/xgb"
"github.com/jezek/xgb/xfixes"
"github.com/jezek/xgb/xproto"
)
// Init must be called before using the Composite extension.
func Init(c *xgb.Conn) error {
reply, err := xproto.QueryExtension(c, 9, "Composite").Reply()
switch {
case err != nil:
return err
case !reply.Present:
return xgb.Errorf("No extension named Composite could be found on on the server.")
}
c.ExtLock.Lock()
c.Extensions["Composite"] = reply.MajorOpcode
c.ExtLock.Unlock()
for evNum, fun := range xgb.NewExtEventFuncs["Composite"] {
xgb.NewEventFuncs[int(reply.FirstEvent)+evNum] = fun
}
for errNum, fun := range xgb.NewExtErrorFuncs["Composite"] {
xgb.NewErrorFuncs[int(reply.FirstError)+errNum] = fun
}
return nil
}
func init() {
xgb.NewExtEventFuncs["Composite"] = make(map[int]xgb.NewEventFun)
xgb.NewExtErrorFuncs["Composite"] = make(map[int]xgb.NewErrorFun)
}
const (
RedirectAutomatic = 0
RedirectManual = 1
)
// Skipping definition for base type 'Bool'
// Skipping definition for base type 'Byte'
// Skipping definition for base type 'Card8'
// Skipping definition for base type 'Char'
// Skipping definition for base type 'Void'
// Skipping definition for base type 'Double'
// Skipping definition for base type 'Float'
// Skipping definition for base type 'Int16'
// Skipping definition for base type 'Int32'
// Skipping definition for base type 'Int8'
// Skipping definition for base type 'Card16'
// Skipping definition for base type 'Card32'
// CreateRegionFromBorderClipCookie is a cookie used only for CreateRegionFromBorderClip requests.
type CreateRegionFromBorderClipCookie struct {
*xgb.Cookie
}
// CreateRegionFromBorderClip sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func CreateRegionFromBorderClip(c *xgb.Conn, Region xfixes.Region, Window xproto.Window) CreateRegionFromBorderClipCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["Composite"]; !ok {
panic("Cannot issue request 'CreateRegionFromBorderClip' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
}
cookie := c.NewCookie(false, false)
c.NewRequest(createRegionFromBorderClipRequest(c, Region, Window), cookie)
return CreateRegionFromBorderClipCookie{cookie}
}
// CreateRegionFromBorderClipChecked sends a checked request.
// If an error occurs, it can be retrieved using CreateRegionFromBorderClipCookie.Check()
func CreateRegionFromBorderClipChecked(c *xgb.Conn, Region xfixes.Region, Window xproto.Window) CreateRegionFromBorderClipCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["Composite"]; !ok {
panic("Cannot issue request 'CreateRegionFromBorderClip' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
}
cookie := c.NewCookie(true, false)
c.NewRequest(createRegionFromBorderClipRequest(c, Region, Window), cookie)
return CreateRegionFromBorderClipCookie{cookie}
}
// Check returns an error if one occurred for checked requests that are not expecting a reply.
// This cannot be called for requests expecting a reply, nor for unchecked requests.
func (cook CreateRegionFromBorderClipCookie) Check() error {
return cook.Cookie.Check()
}
// Write request to wire for CreateRegionFromBorderClip
// createRegionFromBorderClipRequest writes a CreateRegionFromBorderClip request to a byte slice.
func createRegionFromBorderClipRequest(c *xgb.Conn, Region xfixes.Region, Window xproto.Window) []byte {
size := 12
b := 0
buf := make([]byte, size)
c.ExtLock.RLock()
buf[b] = c.Extensions["Composite"]
c.ExtLock.RUnlock()
b += 1
buf[b] = 5 // request opcode
b += 1
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
b += 2
xgb.Put32(buf[b:], uint32(Region))
b += 4
xgb.Put32(buf[b:], uint32(Window))
b += 4
return buf
}
// GetOverlayWindowCookie is a cookie used only for GetOverlayWindow requests.
type GetOverlayWindowCookie struct {
*xgb.Cookie
}
// GetOverlayWindow sends a checked request.
// If an error occurs, it will be returned with the reply by calling GetOverlayWindowCookie.Reply()
func GetOverlayWindow(c *xgb.Conn, Window xproto.Window) GetOverlayWindowCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["Composite"]; !ok {
panic("Cannot issue request 'GetOverlayWindow' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
}
cookie := c.NewCookie(true, true)
c.NewRequest(getOverlayWindowRequest(c, Window), cookie)
return GetOverlayWindowCookie{cookie}
}
// GetOverlayWindowUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func GetOverlayWindowUnchecked(c *xgb.Conn, Window xproto.Window) GetOverlayWindowCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["Composite"]; !ok {
panic("Cannot issue request 'GetOverlayWindow' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
}
cookie := c.NewCookie(false, true)
c.NewRequest(getOverlayWindowRequest(c, Window), cookie)
return GetOverlayWindowCookie{cookie}
}
// GetOverlayWindowReply represents the data returned from a GetOverlayWindow request.
type GetOverlayWindowReply struct {
Sequence uint16 // sequence number of the request for this reply
Length uint32 // number of bytes in this reply
// padding: 1 bytes
OverlayWin xproto.Window
// padding: 20 bytes
}
// Reply blocks and returns the reply data for a GetOverlayWindow request.
func (cook GetOverlayWindowCookie) Reply() (*GetOverlayWindowReply, error) {
buf, err := cook.Cookie.Reply()
if err != nil {
return nil, err
}
if buf == nil {
return nil, nil
}
return getOverlayWindowReply(buf), nil
}
// getOverlayWindowReply reads a byte slice into a GetOverlayWindowReply value.
func getOverlayWindowReply(buf []byte) *GetOverlayWindowReply {
v := new(GetOverlayWindowReply)
b := 1 // skip reply determinant
b += 1 // padding
v.Sequence = xgb.Get16(buf[b:])
b += 2
v.Length = xgb.Get32(buf[b:]) // 4-byte units
b += 4
v.OverlayWin = xproto.Window(xgb.Get32(buf[b:]))
b += 4
b += 20 // padding
return v
}
// Write request to wire for GetOverlayWindow
// getOverlayWindowRequest writes a GetOverlayWindow request to a byte slice.
func getOverlayWindowRequest(c *xgb.Conn, Window xproto.Window) []byte {
size := 8
b := 0
buf := make([]byte, size)
c.ExtLock.RLock()
buf[b] = c.Extensions["Composite"]
c.ExtLock.RUnlock()
b += 1
buf[b] = 7 // request opcode
b += 1
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
b += 2
xgb.Put32(buf[b:], uint32(Window))
b += 4
return buf
}
// NameWindowPixmapCookie is a cookie used only for NameWindowPixmap requests.
type NameWindowPixmapCookie struct {
*xgb.Cookie
}
// NameWindowPixmap sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func NameWindowPixmap(c *xgb.Conn, Window xproto.Window, Pixmap xproto.Pixmap) NameWindowPixmapCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["Composite"]; !ok {
panic("Cannot issue request 'NameWindowPixmap' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
}
cookie := c.NewCookie(false, false)
c.NewRequest(nameWindowPixmapRequest(c, Window, Pixmap), cookie)
return NameWindowPixmapCookie{cookie}
}
// NameWindowPixmapChecked sends a checked request.
// If an error occurs, it can be retrieved using NameWindowPixmapCookie.Check()
func NameWindowPixmapChecked(c *xgb.Conn, Window xproto.Window, Pixmap xproto.Pixmap) NameWindowPixmapCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["Composite"]; !ok {
panic("Cannot issue request 'NameWindowPixmap' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
}
cookie := c.NewCookie(true, false)
c.NewRequest(nameWindowPixmapRequest(c, Window, Pixmap), cookie)
return NameWindowPixmapCookie{cookie}
}
// Check returns an error if one occurred for checked requests that are not expecting a reply.
// This cannot be called for requests expecting a reply, nor for unchecked requests.
func (cook NameWindowPixmapCookie) Check() error {
return cook.Cookie.Check()
}
// Write request to wire for NameWindowPixmap
// nameWindowPixmapRequest writes a NameWindowPixmap request to a byte slice.
func nameWindowPixmapRequest(c *xgb.Conn, Window xproto.Window, Pixmap xproto.Pixmap) []byte {
size := 12
b := 0
buf := make([]byte, size)
c.ExtLock.RLock()
buf[b] = c.Extensions["Composite"]
c.ExtLock.RUnlock()
b += 1
buf[b] = 6 // request opcode
b += 1
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
b += 2
xgb.Put32(buf[b:], uint32(Window))
b += 4
xgb.Put32(buf[b:], uint32(Pixmap))
b += 4
return buf
}
// QueryVersionCookie is a cookie used only for QueryVersion requests.
type QueryVersionCookie struct {
*xgb.Cookie
}
// QueryVersion sends a checked request.
// If an error occurs, it will be returned with the reply by calling QueryVersionCookie.Reply()
func QueryVersion(c *xgb.Conn, ClientMajorVersion uint32, ClientMinorVersion uint32) QueryVersionCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["Composite"]; !ok {
panic("Cannot issue request 'QueryVersion' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
}
cookie := c.NewCookie(true, true)
c.NewRequest(queryVersionRequest(c, ClientMajorVersion, ClientMinorVersion), cookie)
return QueryVersionCookie{cookie}
}
// QueryVersionUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func QueryVersionUnchecked(c *xgb.Conn, ClientMajorVersion uint32, ClientMinorVersion uint32) QueryVersionCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["Composite"]; !ok {
panic("Cannot issue request 'QueryVersion' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
}
cookie := c.NewCookie(false, true)
c.NewRequest(queryVersionRequest(c, ClientMajorVersion, ClientMinorVersion), cookie)
return QueryVersionCookie{cookie}
}
// QueryVersionReply represents the data returned from a QueryVersion request.
type QueryVersionReply struct {
Sequence uint16 // sequence number of the request for this reply
Length uint32 // number of bytes in this reply
// padding: 1 bytes
MajorVersion uint32
MinorVersion uint32
// padding: 16 bytes
}
// Reply blocks and returns the reply data for a QueryVersion request.
func (cook QueryVersionCookie) Reply() (*QueryVersionReply, error) {
buf, err := cook.Cookie.Reply()
if err != nil {
return nil, err
}
if buf == nil {
return nil, nil
}
return queryVersionReply(buf), nil
}
// queryVersionReply reads a byte slice into a QueryVersionReply value.
func queryVersionReply(buf []byte) *QueryVersionReply {
v := new(QueryVersionReply)
b := 1 // skip reply determinant
b += 1 // padding
v.Sequence = xgb.Get16(buf[b:])
b += 2
v.Length = xgb.Get32(buf[b:]) // 4-byte units
b += 4
v.MajorVersion = xgb.Get32(buf[b:])
b += 4
v.MinorVersion = xgb.Get32(buf[b:])
b += 4
b += 16 // padding
return v
}
// Write request to wire for QueryVersion
// queryVersionRequest writes a QueryVersion request to a byte slice.
func queryVersionRequest(c *xgb.Conn, ClientMajorVersion uint32, ClientMinorVersion uint32) []byte {
size := 12
b := 0
buf := make([]byte, size)
c.ExtLock.RLock()
buf[b] = c.Extensions["Composite"]
c.ExtLock.RUnlock()
b += 1
buf[b] = 0 // request opcode
b += 1
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
b += 2
xgb.Put32(buf[b:], ClientMajorVersion)
b += 4
xgb.Put32(buf[b:], ClientMinorVersion)
b += 4
return buf
}
// RedirectSubwindowsCookie is a cookie used only for RedirectSubwindows requests.
type RedirectSubwindowsCookie struct {
*xgb.Cookie
}
// RedirectSubwindows sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func RedirectSubwindows(c *xgb.Conn, Window xproto.Window, Update byte) RedirectSubwindowsCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["Composite"]; !ok {
panic("Cannot issue request 'RedirectSubwindows' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
}
cookie := c.NewCookie(false, false)
c.NewRequest(redirectSubwindowsRequest(c, Window, Update), cookie)
return RedirectSubwindowsCookie{cookie}
}
// RedirectSubwindowsChecked sends a checked request.
// If an error occurs, it can be retrieved using RedirectSubwindowsCookie.Check()
func RedirectSubwindowsChecked(c *xgb.Conn, Window xproto.Window, Update byte) RedirectSubwindowsCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["Composite"]; !ok {
panic("Cannot issue request 'RedirectSubwindows' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
}
cookie := c.NewCookie(true, false)
c.NewRequest(redirectSubwindowsRequest(c, Window, Update), cookie)
return RedirectSubwindowsCookie{cookie}
}
// Check returns an error if one occurred for checked requests that are not expecting a reply.
// This cannot be called for requests expecting a reply, nor for unchecked requests.
func (cook RedirectSubwindowsCookie) Check() error {
return cook.Cookie.Check()
}
// Write request to wire for RedirectSubwindows
// redirectSubwindowsRequest writes a RedirectSubwindows request to a byte slice.
func redirectSubwindowsRequest(c *xgb.Conn, Window xproto.Window, Update byte) []byte {
size := 12
b := 0
buf := make([]byte, size)
c.ExtLock.RLock()
buf[b] = c.Extensions["Composite"]
c.ExtLock.RUnlock()
b += 1
buf[b] = 2 // request opcode
b += 1
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
b += 2
xgb.Put32(buf[b:], uint32(Window))
b += 4
buf[b] = Update
b += 1
b += 3 // padding
return buf
}
// RedirectWindowCookie is a cookie used only for RedirectWindow requests.
type RedirectWindowCookie struct {
*xgb.Cookie
}
// RedirectWindow sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func RedirectWindow(c *xgb.Conn, Window xproto.Window, Update byte) RedirectWindowCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["Composite"]; !ok {
panic("Cannot issue request 'RedirectWindow' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
}
cookie := c.NewCookie(false, false)
c.NewRequest(redirectWindowRequest(c, Window, Update), cookie)
return RedirectWindowCookie{cookie}
}
// RedirectWindowChecked sends a checked request.
// If an error occurs, it can be retrieved using RedirectWindowCookie.Check()
func RedirectWindowChecked(c *xgb.Conn, Window xproto.Window, Update byte) RedirectWindowCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["Composite"]; !ok {
panic("Cannot issue request 'RedirectWindow' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
}
cookie := c.NewCookie(true, false)
c.NewRequest(redirectWindowRequest(c, Window, Update), cookie)
return RedirectWindowCookie{cookie}
}
// Check returns an error if one occurred for checked requests that are not expecting a reply.
// This cannot be called for requests expecting a reply, nor for unchecked requests.
func (cook RedirectWindowCookie) Check() error {
return cook.Cookie.Check()
}
// Write request to wire for RedirectWindow
// redirectWindowRequest writes a RedirectWindow request to a byte slice.
func redirectWindowRequest(c *xgb.Conn, Window xproto.Window, Update byte) []byte {
size := 12
b := 0
buf := make([]byte, size)
c.ExtLock.RLock()
buf[b] = c.Extensions["Composite"]
c.ExtLock.RUnlock()
b += 1
buf[b] = 1 // request opcode
b += 1
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
b += 2
xgb.Put32(buf[b:], uint32(Window))
b += 4
buf[b] = Update
b += 1
b += 3 // padding
return buf
}
// ReleaseOverlayWindowCookie is a cookie used only for ReleaseOverlayWindow requests.
type ReleaseOverlayWindowCookie struct {
*xgb.Cookie
}
// ReleaseOverlayWindow sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func ReleaseOverlayWindow(c *xgb.Conn, Window xproto.Window) ReleaseOverlayWindowCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["Composite"]; !ok {
panic("Cannot issue request 'ReleaseOverlayWindow' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
}
cookie := c.NewCookie(false, false)
c.NewRequest(releaseOverlayWindowRequest(c, Window), cookie)
return ReleaseOverlayWindowCookie{cookie}
}
// ReleaseOverlayWindowChecked sends a checked request.
// If an error occurs, it can be retrieved using ReleaseOverlayWindowCookie.Check()
func ReleaseOverlayWindowChecked(c *xgb.Conn, Window xproto.Window) ReleaseOverlayWindowCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["Composite"]; !ok {
panic("Cannot issue request 'ReleaseOverlayWindow' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
}
cookie := c.NewCookie(true, false)
c.NewRequest(releaseOverlayWindowRequest(c, Window), cookie)
return ReleaseOverlayWindowCookie{cookie}
}
// Check returns an error if one occurred for checked requests that are not expecting a reply.
// This cannot be called for requests expecting a reply, nor for unchecked requests.
func (cook ReleaseOverlayWindowCookie) Check() error {
return cook.Cookie.Check()
}
// Write request to wire for ReleaseOverlayWindow
// releaseOverlayWindowRequest writes a ReleaseOverlayWindow request to a byte slice.
func releaseOverlayWindowRequest(c *xgb.Conn, Window xproto.Window) []byte {
size := 8
b := 0
buf := make([]byte, size)
c.ExtLock.RLock()
buf[b] = c.Extensions["Composite"]
c.ExtLock.RUnlock()
b += 1
buf[b] = 8 // request opcode
b += 1
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
b += 2
xgb.Put32(buf[b:], uint32(Window))
b += 4
return buf
}
// UnredirectSubwindowsCookie is a cookie used only for UnredirectSubwindows requests.
type UnredirectSubwindowsCookie struct {
*xgb.Cookie
}
// UnredirectSubwindows sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func UnredirectSubwindows(c *xgb.Conn, Window xproto.Window, Update byte) UnredirectSubwindowsCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["Composite"]; !ok {
panic("Cannot issue request 'UnredirectSubwindows' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
}
cookie := c.NewCookie(false, false)
c.NewRequest(unredirectSubwindowsRequest(c, Window, Update), cookie)
return UnredirectSubwindowsCookie{cookie}
}
// UnredirectSubwindowsChecked sends a checked request.
// If an error occurs, it can be retrieved using UnredirectSubwindowsCookie.Check()
func UnredirectSubwindowsChecked(c *xgb.Conn, Window xproto.Window, Update byte) UnredirectSubwindowsCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["Composite"]; !ok {
panic("Cannot issue request 'UnredirectSubwindows' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
}
cookie := c.NewCookie(true, false)
c.NewRequest(unredirectSubwindowsRequest(c, Window, Update), cookie)
return UnredirectSubwindowsCookie{cookie}
}
// Check returns an error if one occurred for checked requests that are not expecting a reply.
// This cannot be called for requests expecting a reply, nor for unchecked requests.
func (cook UnredirectSubwindowsCookie) Check() error {
return cook.Cookie.Check()
}
// Write request to wire for UnredirectSubwindows
// unredirectSubwindowsRequest writes a UnredirectSubwindows request to a byte slice.
func unredirectSubwindowsRequest(c *xgb.Conn, Window xproto.Window, Update byte) []byte {
size := 12
b := 0
buf := make([]byte, size)
c.ExtLock.RLock()
buf[b] = c.Extensions["Composite"]
c.ExtLock.RUnlock()
b += 1
buf[b] = 4 // request opcode
b += 1
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
b += 2
xgb.Put32(buf[b:], uint32(Window))
b += 4
buf[b] = Update
b += 1
b += 3 // padding
return buf
}
// UnredirectWindowCookie is a cookie used only for UnredirectWindow requests.
type UnredirectWindowCookie struct {
*xgb.Cookie
}
// UnredirectWindow sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func UnredirectWindow(c *xgb.Conn, Window xproto.Window, Update byte) UnredirectWindowCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["Composite"]; !ok {
panic("Cannot issue request 'UnredirectWindow' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
}
cookie := c.NewCookie(false, false)
c.NewRequest(unredirectWindowRequest(c, Window, Update), cookie)
return UnredirectWindowCookie{cookie}
}
// UnredirectWindowChecked sends a checked request.
// If an error occurs, it can be retrieved using UnredirectWindowCookie.Check()
func UnredirectWindowChecked(c *xgb.Conn, Window xproto.Window, Update byte) UnredirectWindowCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["Composite"]; !ok {
panic("Cannot issue request 'UnredirectWindow' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
}
cookie := c.NewCookie(true, false)
c.NewRequest(unredirectWindowRequest(c, Window, Update), cookie)
return UnredirectWindowCookie{cookie}
}
// Check returns an error if one occurred for checked requests that are not expecting a reply.
// This cannot be called for requests expecting a reply, nor for unchecked requests.
func (cook UnredirectWindowCookie) Check() error {
return cook.Cookie.Check()
}
// Write request to wire for UnredirectWindow
// unredirectWindowRequest writes a UnredirectWindow request to a byte slice.
func unredirectWindowRequest(c *xgb.Conn, Window xproto.Window, Update byte) []byte {
size := 12
b := 0
buf := make([]byte, size)
c.ExtLock.RLock()
buf[b] = c.Extensions["Composite"]
c.ExtLock.RUnlock()
b += 1
buf[b] = 3 // request opcode
b += 1
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
b += 2
xgb.Put32(buf[b:], uint32(Window))
b += 4
buf[b] = Update
b += 1
b += 3 // padding
return buf
}