1 files changed, 715 insertions, 0 deletions
diff --git a/nexgb/dpms/dpms.go b/nexgb/dpms/dpms.go
new file mode 100644
index 0000000..4bf5883
--- /dev/null
+++ b/nexgb/dpms/dpms.go
@@ -0,0 +1,715 @@
+// Package dpms is the X client API for the DPMS extension.
+package dpms
+
+// This file is automatically generated from dpms.xml. Edit at your peril!
+
+import (
+	"github.com/BurntSushi/xgb"
+
+	"github.com/BurntSushi/xgb/xproto"
+)
+
+// Init must be called before using the DPMS extension.
+func Init(c *xgb.Conn) error {
+	reply, err := xproto.QueryExtension(c, 4, "DPMS").Reply()
+	switch {
+	case err != nil:
+		return err
+	case !reply.Present:
+		return xgb.Errorf("No extension named DPMS could be found on on the server.")
+	}
+
+	c.ExtLock.Lock()
+	c.Extensions["DPMS"] = reply.MajorOpcode
+	c.ExtLock.Unlock()
+	for evNum, fun := range xgb.NewExtEventFuncs["DPMS"] {
+		xgb.NewEventFuncs[int(reply.FirstEvent)+evNum] = fun
+	}
+	for errNum, fun := range xgb.NewExtErrorFuncs["DPMS"] {
+		xgb.NewErrorFuncs[int(reply.FirstError)+errNum] = fun
+	}
+	return nil
+}
+
+func init() {
+	xgb.NewExtEventFuncs["DPMS"] = make(map[int]xgb.NewEventFun)
+	xgb.NewExtErrorFuncs["DPMS"] = make(map[int]xgb.NewErrorFun)
+}
+
+const (
+	DPMSModeOn      = 0
+	DPMSModeStandby = 1
+	DPMSModeSuspend = 2
+	DPMSModeOff     = 3
+)
+
+// 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'
+
+// CapableCookie is a cookie used only for Capable requests.
+type CapableCookie struct {
+	*xgb.Cookie
+}
+
+// Capable sends a checked request.
+// If an error occurs, it will be returned with the reply by calling CapableCookie.Reply()
+func Capable(c *xgb.Conn) CapableCookie {
+	c.ExtLock.RLock()
+	defer c.ExtLock.RUnlock()
+	if _, ok := c.Extensions["DPMS"]; !ok {
+		panic("Cannot issue request 'Capable' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
+	}
+	cookie := c.NewCookie(true, true)
+	c.NewRequest(capableRequest(c), cookie)
+	return CapableCookie{cookie}
+}
+
+// CapableUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
+func CapableUnchecked(c *xgb.Conn) CapableCookie {
+	c.ExtLock.RLock()
+	defer c.ExtLock.RUnlock()
+	if _, ok := c.Extensions["DPMS"]; !ok {
+		panic("Cannot issue request 'Capable' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
+	}
+	cookie := c.NewCookie(false, true)
+	c.NewRequest(capableRequest(c), cookie)
+	return CapableCookie{cookie}
+}
+
+// CapableReply represents the data returned from a Capable request.
+type CapableReply struct {
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
+	// padding: 1 bytes
+	Capable bool
+	// padding: 23 bytes
+}
+
+// Reply blocks and returns the reply data for a Capable request.
+func (cook CapableCookie) Reply() (*CapableReply, error) {
+	buf, err := cook.Cookie.Reply()
+	if err != nil {
+		return nil, err
+	}
+	if buf == nil {
+		return nil, nil
+	}
+	return capableReply(buf), nil
+}
+
+// capableReply reads a byte slice into a CapableReply value.
+func capableReply(buf []byte) *CapableReply {
+	v := new(CapableReply)
+	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
+
+	if buf[b] == 1 {
+		v.Capable = true
+	} else {
+		v.Capable = false
+	}
+	b += 1
+
+	b += 23 // padding
+
+	return v
+}
+
+// Write request to wire for Capable
+// capableRequest writes a Capable request to a byte slice.
+func capableRequest(c *xgb.Conn) []byte {
+	size := 4
+	b := 0
+	buf := make([]byte, size)
+
+	c.ExtLock.RLock()
+	buf[b] = c.Extensions["DPMS"]
+	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
+
+	return buf
+}
+
+// DisableCookie is a cookie used only for Disable requests.
+type DisableCookie struct {
+	*xgb.Cookie
+}
+
+// Disable sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
+func Disable(c *xgb.Conn) DisableCookie {
+	c.ExtLock.RLock()
+	defer c.ExtLock.RUnlock()
+	if _, ok := c.Extensions["DPMS"]; !ok {
+		panic("Cannot issue request 'Disable' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
+	}
+	cookie := c.NewCookie(false, false)
+	c.NewRequest(disableRequest(c), cookie)
+	return DisableCookie{cookie}
+}
+
+// DisableChecked sends a checked request.
+// If an error occurs, it can be retrieved using DisableCookie.Check()
+func DisableChecked(c *xgb.Conn) DisableCookie {
+	c.ExtLock.RLock()
+	defer c.ExtLock.RUnlock()
+	if _, ok := c.Extensions["DPMS"]; !ok {
+		panic("Cannot issue request 'Disable' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
+	}
+	cookie := c.NewCookie(true, false)
+	c.NewRequest(disableRequest(c), cookie)
+	return DisableCookie{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 DisableCookie) Check() error {
+	return cook.Cookie.Check()
+}
+
+// Write request to wire for Disable
+// disableRequest writes a Disable request to a byte slice.
+func disableRequest(c *xgb.Conn) []byte {
+	size := 4
+	b := 0
+	buf := make([]byte, size)
+
+	c.ExtLock.RLock()
+	buf[b] = c.Extensions["DPMS"]
+	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
+
+	return buf
+}
+
+// EnableCookie is a cookie used only for Enable requests.
+type EnableCookie struct {
+	*xgb.Cookie
+}
+
+// Enable sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
+func Enable(c *xgb.Conn) EnableCookie {
+	c.ExtLock.RLock()
+	defer c.ExtLock.RUnlock()
+	if _, ok := c.Extensions["DPMS"]; !ok {
+		panic("Cannot issue request 'Enable' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
+	}
+	cookie := c.NewCookie(false, false)
+	c.NewRequest(enableRequest(c), cookie)
+	return EnableCookie{cookie}
+}
+
+// EnableChecked sends a checked request.
+// If an error occurs, it can be retrieved using EnableCookie.Check()
+func EnableChecked(c *xgb.Conn) EnableCookie {
+	c.ExtLock.RLock()
+	defer c.ExtLock.RUnlock()
+	if _, ok := c.Extensions["DPMS"]; !ok {
+		panic("Cannot issue request 'Enable' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
+	}
+	cookie := c.NewCookie(true, false)
+	c.NewRequest(enableRequest(c), cookie)
+	return EnableCookie{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 EnableCookie) Check() error {
+	return cook.Cookie.Check()
+}
+
+// Write request to wire for Enable
+// enableRequest writes a Enable request to a byte slice.
+func enableRequest(c *xgb.Conn) []byte {
+	size := 4
+	b := 0
+	buf := make([]byte, size)
+
+	c.ExtLock.RLock()
+	buf[b] = c.Extensions["DPMS"]
+	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
+
+	return buf
+}
+
+// ForceLevelCookie is a cookie used only for ForceLevel requests.
+type ForceLevelCookie struct {
+	*xgb.Cookie
+}
+
+// ForceLevel sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
+func ForceLevel(c *xgb.Conn, PowerLevel uint16) ForceLevelCookie {
+	c.ExtLock.RLock()
+	defer c.ExtLock.RUnlock()
+	if _, ok := c.Extensions["DPMS"]; !ok {
+		panic("Cannot issue request 'ForceLevel' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
+	}
+	cookie := c.NewCookie(false, false)
+	c.NewRequest(forceLevelRequest(c, PowerLevel), cookie)
+	return ForceLevelCookie{cookie}
+}
+
+// ForceLevelChecked sends a checked request.
+// If an error occurs, it can be retrieved using ForceLevelCookie.Check()
+func ForceLevelChecked(c *xgb.Conn, PowerLevel uint16) ForceLevelCookie {
+	c.ExtLock.RLock()
+	defer c.ExtLock.RUnlock()
+	if _, ok := c.Extensions["DPMS"]; !ok {
+		panic("Cannot issue request 'ForceLevel' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
+	}
+	cookie := c.NewCookie(true, false)
+	c.NewRequest(forceLevelRequest(c, PowerLevel), cookie)
+	return ForceLevelCookie{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 ForceLevelCookie) Check() error {
+	return cook.Cookie.Check()
+}
+
+// Write request to wire for ForceLevel
+// forceLevelRequest writes a ForceLevel request to a byte slice.
+func forceLevelRequest(c *xgb.Conn, PowerLevel uint16) []byte {
+	size := 8
+	b := 0
+	buf := make([]byte, size)
+
+	c.ExtLock.RLock()
+	buf[b] = c.Extensions["DPMS"]
+	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.Put16(buf[b:], PowerLevel)
+	b += 2
+
+	return buf
+}
+
+// GetTimeoutsCookie is a cookie used only for GetTimeouts requests.
+type GetTimeoutsCookie struct {
+	*xgb.Cookie
+}
+
+// GetTimeouts sends a checked request.
+// If an error occurs, it will be returned with the reply by calling GetTimeoutsCookie.Reply()
+func GetTimeouts(c *xgb.Conn) GetTimeoutsCookie {
+	c.ExtLock.RLock()
+	defer c.ExtLock.RUnlock()
+	if _, ok := c.Extensions["DPMS"]; !ok {
+		panic("Cannot issue request 'GetTimeouts' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
+	}
+	cookie := c.NewCookie(true, true)
+	c.NewRequest(getTimeoutsRequest(c), cookie)
+	return GetTimeoutsCookie{cookie}
+}
+
+// GetTimeoutsUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
+func GetTimeoutsUnchecked(c *xgb.Conn) GetTimeoutsCookie {
+	c.ExtLock.RLock()
+	defer c.ExtLock.RUnlock()
+	if _, ok := c.Extensions["DPMS"]; !ok {
+		panic("Cannot issue request 'GetTimeouts' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
+	}
+	cookie := c.NewCookie(false, true)
+	c.NewRequest(getTimeoutsRequest(c), cookie)
+	return GetTimeoutsCookie{cookie}
+}
+
+// GetTimeoutsReply represents the data returned from a GetTimeouts request.
+type GetTimeoutsReply struct {
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
+	// padding: 1 bytes
+	StandbyTimeout uint16
+	SuspendTimeout uint16
+	OffTimeout     uint16
+	// padding: 18 bytes
+}
+
+// Reply blocks and returns the reply data for a GetTimeouts request.
+func (cook GetTimeoutsCookie) Reply() (*GetTimeoutsReply, error) {
+	buf, err := cook.Cookie.Reply()
+	if err != nil {
+		return nil, err
+	}
+	if buf == nil {
+		return nil, nil
+	}
+	return getTimeoutsReply(buf), nil
+}
+
+// getTimeoutsReply reads a byte slice into a GetTimeoutsReply value.
+func getTimeoutsReply(buf []byte) *GetTimeoutsReply {
+	v := new(GetTimeoutsReply)
+	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.StandbyTimeout = xgb.Get16(buf[b:])
+	b += 2
+
+	v.SuspendTimeout = xgb.Get16(buf[b:])
+	b += 2
+
+	v.OffTimeout = xgb.Get16(buf[b:])
+	b += 2
+
+	b += 18 // padding
+
+	return v
+}
+
+// Write request to wire for GetTimeouts
+// getTimeoutsRequest writes a GetTimeouts request to a byte slice.
+func getTimeoutsRequest(c *xgb.Conn) []byte {
+	size := 4
+	b := 0
+	buf := make([]byte, size)
+
+	c.ExtLock.RLock()
+	buf[b] = c.Extensions["DPMS"]
+	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
+
+	return buf
+}
+
+// GetVersionCookie is a cookie used only for GetVersion requests.
+type GetVersionCookie struct {
+	*xgb.Cookie
+}
+
+// GetVersion sends a checked request.
+// If an error occurs, it will be returned with the reply by calling GetVersionCookie.Reply()
+func GetVersion(c *xgb.Conn, ClientMajorVersion uint16, ClientMinorVersion uint16) GetVersionCookie {
+	c.ExtLock.RLock()
+	defer c.ExtLock.RUnlock()
+	if _, ok := c.Extensions["DPMS"]; !ok {
+		panic("Cannot issue request 'GetVersion' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
+	}
+	cookie := c.NewCookie(true, true)
+	c.NewRequest(getVersionRequest(c, ClientMajorVersion, ClientMinorVersion), cookie)
+	return GetVersionCookie{cookie}
+}
+
+// GetVersionUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
+func GetVersionUnchecked(c *xgb.Conn, ClientMajorVersion uint16, ClientMinorVersion uint16) GetVersionCookie {
+	c.ExtLock.RLock()
+	defer c.ExtLock.RUnlock()
+	if _, ok := c.Extensions["DPMS"]; !ok {
+		panic("Cannot issue request 'GetVersion' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
+	}
+	cookie := c.NewCookie(false, true)
+	c.NewRequest(getVersionRequest(c, ClientMajorVersion, ClientMinorVersion), cookie)
+	return GetVersionCookie{cookie}
+}
+
+// GetVersionReply represents the data returned from a GetVersion request.
+type GetVersionReply struct {
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
+	// padding: 1 bytes
+	ServerMajorVersion uint16
+	ServerMinorVersion uint16
+}
+
+// Reply blocks and returns the reply data for a GetVersion request.
+func (cook GetVersionCookie) Reply() (*GetVersionReply, error) {
+	buf, err := cook.Cookie.Reply()
+	if err != nil {
+		return nil, err
+	}
+	if buf == nil {
+		return nil, nil
+	}
+	return getVersionReply(buf), nil
+}
+
+// getVersionReply reads a byte slice into a GetVersionReply value.
+func getVersionReply(buf []byte) *GetVersionReply {
+	v := new(GetVersionReply)
+	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.ServerMajorVersion = xgb.Get16(buf[b:])
+	b += 2
+
+	v.ServerMinorVersion = xgb.Get16(buf[b:])
+	b += 2
+
+	return v
+}
+
+// Write request to wire for GetVersion
+// getVersionRequest writes a GetVersion request to a byte slice.
+func getVersionRequest(c *xgb.Conn, ClientMajorVersion uint16, ClientMinorVersion uint16) []byte {
+	size := 8
+	b := 0
+	buf := make([]byte, size)
+
+	c.ExtLock.RLock()
+	buf[b] = c.Extensions["DPMS"]
+	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.Put16(buf[b:], ClientMajorVersion)
+	b += 2
+
+	xgb.Put16(buf[b:], ClientMinorVersion)
+	b += 2
+
+	return buf
+}
+
+// InfoCookie is a cookie used only for Info requests.
+type InfoCookie struct {
+	*xgb.Cookie
+}
+
+// Info sends a checked request.
+// If an error occurs, it will be returned with the reply by calling InfoCookie.Reply()
+func Info(c *xgb.Conn) InfoCookie {
+	c.ExtLock.RLock()
+	defer c.ExtLock.RUnlock()
+	if _, ok := c.Extensions["DPMS"]; !ok {
+		panic("Cannot issue request 'Info' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
+	}
+	cookie := c.NewCookie(true, true)
+	c.NewRequest(infoRequest(c), cookie)
+	return InfoCookie{cookie}
+}
+
+// InfoUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
+func InfoUnchecked(c *xgb.Conn) InfoCookie {
+	c.ExtLock.RLock()
+	defer c.ExtLock.RUnlock()
+	if _, ok := c.Extensions["DPMS"]; !ok {
+		panic("Cannot issue request 'Info' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
+	}
+	cookie := c.NewCookie(false, true)
+	c.NewRequest(infoRequest(c), cookie)
+	return InfoCookie{cookie}
+}
+
+// InfoReply represents the data returned from a Info request.
+type InfoReply struct {
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
+	// padding: 1 bytes
+	PowerLevel uint16
+	State      bool
+	// padding: 21 bytes
+}
+
+// Reply blocks and returns the reply data for a Info request.
+func (cook InfoCookie) Reply() (*InfoReply, error) {
+	buf, err := cook.Cookie.Reply()
+	if err != nil {
+		return nil, err
+	}
+	if buf == nil {
+		return nil, nil
+	}
+	return infoReply(buf), nil
+}
+
+// infoReply reads a byte slice into a InfoReply value.
+func infoReply(buf []byte) *InfoReply {
+	v := new(InfoReply)
+	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.PowerLevel = xgb.Get16(buf[b:])
+	b += 2
+
+	if buf[b] == 1 {
+		v.State = true
+	} else {
+		v.State = false
+	}
+	b += 1
+
+	b += 21 // padding
+
+	return v
+}
+
+// Write request to wire for Info
+// infoRequest writes a Info request to a byte slice.
+func infoRequest(c *xgb.Conn) []byte {
+	size := 4
+	b := 0
+	buf := make([]byte, size)
+
+	c.ExtLock.RLock()
+	buf[b] = c.Extensions["DPMS"]
+	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
+
+	return buf
+}
+
+// SetTimeoutsCookie is a cookie used only for SetTimeouts requests.
+type SetTimeoutsCookie struct {
+	*xgb.Cookie
+}
+
+// SetTimeouts sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
+func SetTimeouts(c *xgb.Conn, StandbyTimeout uint16, SuspendTimeout uint16, OffTimeout uint16) SetTimeoutsCookie {
+	c.ExtLock.RLock()
+	defer c.ExtLock.RUnlock()
+	if _, ok := c.Extensions["DPMS"]; !ok {
+		panic("Cannot issue request 'SetTimeouts' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
+	}
+	cookie := c.NewCookie(false, false)
+	c.NewRequest(setTimeoutsRequest(c, StandbyTimeout, SuspendTimeout, OffTimeout), cookie)
+	return SetTimeoutsCookie{cookie}
+}
+
+// SetTimeoutsChecked sends a checked request.
+// If an error occurs, it can be retrieved using SetTimeoutsCookie.Check()
+func SetTimeoutsChecked(c *xgb.Conn, StandbyTimeout uint16, SuspendTimeout uint16, OffTimeout uint16) SetTimeoutsCookie {
+	c.ExtLock.RLock()
+	defer c.ExtLock.RUnlock()
+	if _, ok := c.Extensions["DPMS"]; !ok {
+		panic("Cannot issue request 'SetTimeouts' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
+	}
+	cookie := c.NewCookie(true, false)
+	c.NewRequest(setTimeoutsRequest(c, StandbyTimeout, SuspendTimeout, OffTimeout), cookie)
+	return SetTimeoutsCookie{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 SetTimeoutsCookie) Check() error {
+	return cook.Cookie.Check()
+}
+
+// Write request to wire for SetTimeouts
+// setTimeoutsRequest writes a SetTimeouts request to a byte slice.
+func setTimeoutsRequest(c *xgb.Conn, StandbyTimeout uint16, SuspendTimeout uint16, OffTimeout uint16) []byte {
+	size := 12
+	b := 0
+	buf := make([]byte, size)
+
+	c.ExtLock.RLock()
+	buf[b] = c.Extensions["DPMS"]
+	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.Put16(buf[b:], StandbyTimeout)
+	b += 2
+
+	xgb.Put16(buf[b:], SuspendTimeout)
+	b += 2
+
+	xgb.Put16(buf[b:], OffTimeout)
+	b += 2
+
+	return buf
+}