713 lines
19 KiB
Go
713 lines
19 KiB
Go
// 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 (
|
|
xgb "janouch.name/haven/nexgb"
|
|
|
|
"janouch.name/haven/nexgb/xproto"
|
|
)
|
|
|
|
const (
|
|
MajorVersion = 0
|
|
MinorVersion = 0
|
|
)
|
|
|
|
// 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
|
|
}
|
|
|
|
// capableRequest writes a Capable request to a byte slice for transfer.
|
|
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()
|
|
}
|
|
|
|
// disableRequest writes a Disable request to a byte slice for transfer.
|
|
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()
|
|
}
|
|
|
|
// enableRequest writes a Enable request to a byte slice for transfer.
|
|
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()
|
|
}
|
|
|
|
// forceLevelRequest writes a ForceLevel request to a byte slice for transfer.
|
|
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
|
|
}
|
|
|
|
// getTimeoutsRequest writes a GetTimeouts request to a byte slice for transfer.
|
|
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, 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, 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
|
|
}
|
|
|
|
// getVersionRequest writes a GetVersion request to a byte slice for transfer.
|
|
func getVersionRequest(c *xgb.Conn, ClientMajorVersion, 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
|
|
}
|
|
|
|
// infoRequest writes a Info request to a byte slice for transfer.
|
|
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, SuspendTimeout, 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, SuspendTimeout, 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()
|
|
}
|
|
|
|
// setTimeoutsRequest writes a SetTimeouts request to a byte slice for transfer.
|
|
func setTimeoutsRequest(c *xgb.Conn, StandbyTimeout, SuspendTimeout, 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
|
|
}
|