haven/nexgb/xevie/xevie.go

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// Package xevie is the X client API for the XEVIE extension.
package xevie
// This file is automatically generated from xevie.xml. Edit at your peril!
import (
"github.com/BurntSushi/xgb"
"github.com/BurntSushi/xgb/xproto"
)
// Init must be called before using the XEVIE extension.
func Init(c *xgb.Conn) error {
reply, err := xproto.QueryExtension(c, 5, "XEVIE").Reply()
switch {
case err != nil:
return err
case !reply.Present:
return xgb.Errorf("No extension named XEVIE could be found on on the server.")
}
xgb.ExtLock.Lock()
c.Extensions["XEVIE"] = reply.MajorOpcode
for evNum, fun := range xgb.NewExtEventFuncs["XEVIE"] {
xgb.NewEventFuncs[int(reply.FirstEvent)+evNum] = fun
}
for errNum, fun := range xgb.NewExtErrorFuncs["XEVIE"] {
xgb.NewErrorFuncs[int(reply.FirstError)+errNum] = fun
}
xgb.ExtLock.Unlock()
return nil
}
func init() {
xgb.NewExtEventFuncs["XEVIE"] = make(map[int]xgb.NewEventFun)
xgb.NewExtErrorFuncs["XEVIE"] = make(map[int]xgb.NewErrorFun)
}
const (
DatatypeUnmodified = 0
DatatypeModified = 1
)
type Event struct {
// padding: 32 bytes
}
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// EventRead reads a byte slice into a Event value.
func EventRead(buf []byte, v *Event) int {
b := 0
b += 32 // padding
return b
}
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// EventReadList reads a byte slice into a list of Event values.
func EventReadList(buf []byte, dest []Event) int {
b := 0
for i := 0; i < len(dest); i++ {
dest[i] = Event{}
b += EventRead(buf[b:], &dest[i])
}
return xgb.Pad(b)
}
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// Bytes writes a Event value to a byte slice.
func (v Event) Bytes() []byte {
buf := make([]byte, 32)
b := 0
b += 32 // padding
return buf
}
// EventListBytes writes a list of Event values to a byte slice.
func EventListBytes(buf []byte, list []Event) int {
b := 0
var structBytes []byte
for _, item := range list {
structBytes = item.Bytes()
copy(buf[b:], structBytes)
b += len(structBytes)
}
return xgb.Pad(b)
}
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// 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'
// EndCookie is a cookie used only for End requests.
type EndCookie struct {
*xgb.Cookie
}
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// End sends a checked request.
// If an error occurs, it will be returned with the reply by calling EndCookie.Reply()
func End(c *xgb.Conn, Cmap uint32) EndCookie {
if _, ok := c.Extensions["XEVIE"]; !ok {
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panic("Cannot issue request 'End' using the uninitialized extension 'XEVIE'. xevie.Init(connObj) must be called first.")
}
cookie := c.NewCookie(true, true)
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c.NewRequest(endRequest(c, Cmap), cookie)
return EndCookie{cookie}
}
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// EndUnchecked sends an unchecked request.
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// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
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func EndUnchecked(c *xgb.Conn, Cmap uint32) EndCookie {
if _, ok := c.Extensions["XEVIE"]; !ok {
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panic("Cannot issue request 'End' using the uninitialized extension 'XEVIE'. xevie.Init(connObj) must be called first.")
}
cookie := c.NewCookie(false, true)
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c.NewRequest(endRequest(c, Cmap), cookie)
return EndCookie{cookie}
}
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// EndReply represents the data returned from a End request.
type EndReply struct {
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Sequence uint16 // sequence number of the request for this reply
Length uint32 // number of bytes in this reply
// padding: 1 bytes
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// padding: 24 bytes
}
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// Reply blocks and returns the reply data for a End request.
func (cook EndCookie) Reply() (*EndReply, error) {
buf, err := cook.Cookie.Reply()
if err != nil {
return nil, err
}
if buf == nil {
return nil, nil
}
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return endReply(buf), nil
}
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// endReply reads a byte slice into a EndReply value.
func endReply(buf []byte) *EndReply {
v := new(EndReply)
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
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b += 24 // padding
return v
}
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// Write request to wire for End
// endRequest writes a End request to a byte slice.
func endRequest(c *xgb.Conn, Cmap uint32) []byte {
size := 8
b := 0
buf := make([]byte, size)
buf[b] = c.Extensions["XEVIE"]
b += 1
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buf[b] = 2 // request opcode
b += 1
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
b += 2
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xgb.Put32(buf[b:], Cmap)
b += 4
return buf
}
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// QueryVersionCookie is a cookie used only for QueryVersion requests.
type QueryVersionCookie struct {
*xgb.Cookie
}
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// 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 uint16, ClientMinorVersion uint16) QueryVersionCookie {
if _, ok := c.Extensions["XEVIE"]; !ok {
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panic("Cannot issue request 'QueryVersion' using the uninitialized extension 'XEVIE'. xevie.Init(connObj) must be called first.")
}
cookie := c.NewCookie(true, true)
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c.NewRequest(queryVersionRequest(c, ClientMajorVersion, ClientMinorVersion), cookie)
return QueryVersionCookie{cookie}
}
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// QueryVersionUnchecked sends an unchecked request.
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// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
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func QueryVersionUnchecked(c *xgb.Conn, ClientMajorVersion uint16, ClientMinorVersion uint16) QueryVersionCookie {
if _, ok := c.Extensions["XEVIE"]; !ok {
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panic("Cannot issue request 'QueryVersion' using the uninitialized extension 'XEVIE'. xevie.Init(connObj) must be called first.")
}
cookie := c.NewCookie(false, true)
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c.NewRequest(queryVersionRequest(c, ClientMajorVersion, ClientMinorVersion), cookie)
return QueryVersionCookie{cookie}
}
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// QueryVersionReply represents the data returned from a QueryVersion request.
type QueryVersionReply struct {
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Sequence uint16 // sequence number of the request for this reply
Length uint32 // number of bytes in this reply
// padding: 1 bytes
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ServerMajorVersion uint16
ServerMinorVersion uint16
// padding: 20 bytes
}
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// 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
}
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return queryVersionReply(buf), nil
}
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// 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
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v.ServerMajorVersion = xgb.Get16(buf[b:])
b += 2
v.ServerMinorVersion = xgb.Get16(buf[b:])
b += 2
b += 20 // padding
return v
}
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// Write request to wire for QueryVersion
// queryVersionRequest writes a QueryVersion request to a byte slice.
func queryVersionRequest(c *xgb.Conn, ClientMajorVersion uint16, ClientMinorVersion uint16) []byte {
size := 8
b := 0
buf := make([]byte, size)
buf[b] = c.Extensions["XEVIE"]
b += 1
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buf[b] = 0 // request opcode
b += 1
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
b += 2
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xgb.Put16(buf[b:], ClientMajorVersion)
b += 2
xgb.Put16(buf[b:], ClientMinorVersion)
b += 2
return buf
}
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// SelectInputCookie is a cookie used only for SelectInput requests.
type SelectInputCookie struct {
*xgb.Cookie
}
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// SelectInput sends a checked request.
// If an error occurs, it will be returned with the reply by calling SelectInputCookie.Reply()
func SelectInput(c *xgb.Conn, EventMask uint32) SelectInputCookie {
if _, ok := c.Extensions["XEVIE"]; !ok {
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panic("Cannot issue request 'SelectInput' using the uninitialized extension 'XEVIE'. xevie.Init(connObj) must be called first.")
}
cookie := c.NewCookie(true, true)
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c.NewRequest(selectInputRequest(c, EventMask), cookie)
return SelectInputCookie{cookie}
}
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// SelectInputUnchecked sends an unchecked request.
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// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
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func SelectInputUnchecked(c *xgb.Conn, EventMask uint32) SelectInputCookie {
if _, ok := c.Extensions["XEVIE"]; !ok {
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panic("Cannot issue request 'SelectInput' using the uninitialized extension 'XEVIE'. xevie.Init(connObj) must be called first.")
}
cookie := c.NewCookie(false, true)
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c.NewRequest(selectInputRequest(c, EventMask), cookie)
return SelectInputCookie{cookie}
}
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// SelectInputReply represents the data returned from a SelectInput request.
type SelectInputReply struct {
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Sequence uint16 // sequence number of the request for this reply
Length uint32 // number of bytes in this reply
// padding: 1 bytes
// padding: 24 bytes
}
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// Reply blocks and returns the reply data for a SelectInput request.
func (cook SelectInputCookie) Reply() (*SelectInputReply, error) {
buf, err := cook.Cookie.Reply()
if err != nil {
return nil, err
}
if buf == nil {
return nil, nil
}
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return selectInputReply(buf), nil
}
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// selectInputReply reads a byte slice into a SelectInputReply value.
func selectInputReply(buf []byte) *SelectInputReply {
v := new(SelectInputReply)
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
b += 24 // padding
return v
}
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// Write request to wire for SelectInput
// selectInputRequest writes a SelectInput request to a byte slice.
func selectInputRequest(c *xgb.Conn, EventMask uint32) []byte {
size := 8
b := 0
buf := make([]byte, size)
buf[b] = c.Extensions["XEVIE"]
b += 1
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buf[b] = 4 // request opcode
b += 1
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
b += 2
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xgb.Put32(buf[b:], EventMask)
b += 4
return buf
}
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// SendCookie is a cookie used only for Send requests.
type SendCookie struct {
*xgb.Cookie
}
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// Send sends a checked request.
// If an error occurs, it will be returned with the reply by calling SendCookie.Reply()
func Send(c *xgb.Conn, Event Event, DataType uint32) SendCookie {
if _, ok := c.Extensions["XEVIE"]; !ok {
panic("Cannot issue request 'Send' using the uninitialized extension 'XEVIE'. xevie.Init(connObj) must be called first.")
}
cookie := c.NewCookie(true, true)
c.NewRequest(sendRequest(c, Event, DataType), cookie)
return SendCookie{cookie}
}
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// SendUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func SendUnchecked(c *xgb.Conn, Event Event, DataType uint32) SendCookie {
if _, ok := c.Extensions["XEVIE"]; !ok {
panic("Cannot issue request 'Send' using the uninitialized extension 'XEVIE'. xevie.Init(connObj) must be called first.")
}
cookie := c.NewCookie(false, true)
c.NewRequest(sendRequest(c, Event, DataType), cookie)
return SendCookie{cookie}
}
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// SendReply represents the data returned from a Send request.
type SendReply struct {
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Sequence uint16 // sequence number of the request for this reply
Length uint32 // number of bytes in this reply
// padding: 1 bytes
// padding: 24 bytes
}
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// Reply blocks and returns the reply data for a Send request.
func (cook SendCookie) Reply() (*SendReply, error) {
buf, err := cook.Cookie.Reply()
if err != nil {
return nil, err
}
if buf == nil {
return nil, nil
}
return sendReply(buf), nil
}
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// sendReply reads a byte slice into a SendReply value.
func sendReply(buf []byte) *SendReply {
v := new(SendReply)
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
b += 24 // padding
return v
}
// Write request to wire for Send
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// sendRequest writes a Send request to a byte slice.
func sendRequest(c *xgb.Conn, Event Event, DataType uint32) []byte {
size := 104
b := 0
buf := make([]byte, size)
buf[b] = c.Extensions["XEVIE"]
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
{
structBytes := Event.Bytes()
copy(buf[b:], structBytes)
b += len(structBytes)
}
xgb.Put32(buf[b:], DataType)
b += 4
b += 64 // padding
return buf
}
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// StartCookie is a cookie used only for Start requests.
type StartCookie struct {
*xgb.Cookie
}
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// Start sends a checked request.
// If an error occurs, it will be returned with the reply by calling StartCookie.Reply()
func Start(c *xgb.Conn, Screen uint32) StartCookie {
if _, ok := c.Extensions["XEVIE"]; !ok {
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panic("Cannot issue request 'Start' using the uninitialized extension 'XEVIE'. xevie.Init(connObj) must be called first.")
}
cookie := c.NewCookie(true, true)
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c.NewRequest(startRequest(c, Screen), cookie)
return StartCookie{cookie}
}
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// StartUnchecked sends an unchecked request.
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// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
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func StartUnchecked(c *xgb.Conn, Screen uint32) StartCookie {
if _, ok := c.Extensions["XEVIE"]; !ok {
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panic("Cannot issue request 'Start' using the uninitialized extension 'XEVIE'. xevie.Init(connObj) must be called first.")
}
cookie := c.NewCookie(false, true)
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c.NewRequest(startRequest(c, Screen), cookie)
return StartCookie{cookie}
}
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// StartReply represents the data returned from a Start request.
type StartReply struct {
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Sequence uint16 // sequence number of the request for this reply
Length uint32 // number of bytes in this reply
// padding: 1 bytes
// padding: 24 bytes
}
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// Reply blocks and returns the reply data for a Start request.
func (cook StartCookie) Reply() (*StartReply, error) {
buf, err := cook.Cookie.Reply()
if err != nil {
return nil, err
}
if buf == nil {
return nil, nil
}
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return startReply(buf), nil
}
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// startReply reads a byte slice into a StartReply value.
func startReply(buf []byte) *StartReply {
v := new(StartReply)
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
b += 24 // padding
return v
}
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// Write request to wire for Start
// startRequest writes a Start request to a byte slice.
func startRequest(c *xgb.Conn, Screen uint32) []byte {
size := 8
b := 0
buf := make([]byte, size)
buf[b] = c.Extensions["XEVIE"]
b += 1
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buf[b] = 1 // request opcode
b += 1
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
b += 2
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xgb.Put32(buf[b:], Screen)
b += 4
return buf
}