haven/nexgb/xcmisc/xcmisc.go

331 lines
8.3 KiB
Go

// Package xcmisc is the X client API for the XC-MISC extension.
package xcmisc
/*
This file was generated by xc_misc.xml on May 11 2012 1:58:36am EDT.
This file is automatically generated. Edit at your peril!
*/
import (
"github.com/BurntSushi/xgb"
"github.com/BurntSushi/xgb/xproto"
)
// Init must be called before using the XC-MISC extension.
func Init(c *xgb.Conn) error {
reply, err := xproto.QueryExtension(c, 7, "XC-MISC").Reply()
switch {
case err != nil:
return err
case !reply.Present:
return xgb.Errorf("No extension named XC-MISC could be found on on the server.")
}
xgb.ExtLock.Lock()
c.Extensions["XC-MISC"] = reply.MajorOpcode
for evNum, fun := range xgb.NewExtEventFuncs["XC-MISC"] {
xgb.NewEventFuncs[int(reply.FirstEvent)+evNum] = fun
}
for errNum, fun := range xgb.NewExtErrorFuncs["XC-MISC"] {
xgb.NewErrorFuncs[int(reply.FirstError)+errNum] = fun
}
xgb.ExtLock.Unlock()
return nil
}
func init() {
xgb.NewExtEventFuncs["XC-MISC"] = make(map[int]xgb.NewEventFun)
xgb.NewExtErrorFuncs["XC-MISC"] = make(map[int]xgb.NewErrorFun)
}
// Skipping definition for base type 'Float'
// Skipping definition for base type 'Card8'
// Skipping definition for base type 'Int16'
// Skipping definition for base type 'Int32'
// Skipping definition for base type 'Void'
// Skipping definition for base type 'Byte'
// Skipping definition for base type 'Int8'
// Skipping definition for base type 'Card16'
// Skipping definition for base type 'Char'
// Skipping definition for base type 'Card32'
// Skipping definition for base type 'Double'
// Skipping definition for base type 'Bool'
// 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 {
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 {
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)
buf[b] = c.Extensions["XC-MISC"]
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
}
// GetXIDRangeCookie is a cookie used only for GetXIDRange requests.
type GetXIDRangeCookie struct {
*xgb.Cookie
}
// GetXIDRange sends a checked request.
// If an error occurs, it will be returned with the reply by calling GetXIDRangeCookie.Reply()
func GetXIDRange(c *xgb.Conn) GetXIDRangeCookie {
cookie := c.NewCookie(true, true)
c.NewRequest(getXIDRangeRequest(c), cookie)
return GetXIDRangeCookie{cookie}
}
// GetXIDRangeUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func GetXIDRangeUnchecked(c *xgb.Conn) GetXIDRangeCookie {
cookie := c.NewCookie(false, true)
c.NewRequest(getXIDRangeRequest(c), cookie)
return GetXIDRangeCookie{cookie}
}
// GetXIDRangeReply represents the data returned from a GetXIDRange request.
type GetXIDRangeReply struct {
Sequence uint16 // sequence number of the request for this reply
Length uint32 // number of bytes in this reply
// padding: 1 bytes
StartId uint32
Count uint32
}
// Reply blocks and returns the reply data for a GetXIDRange request.
func (cook GetXIDRangeCookie) Reply() (*GetXIDRangeReply, error) {
buf, err := cook.Cookie.Reply()
if err != nil {
return nil, err
}
if buf == nil {
return nil, nil
}
return getXIDRangeReply(buf), nil
}
// getXIDRangeReply reads a byte slice into a GetXIDRangeReply value.
func getXIDRangeReply(buf []byte) *GetXIDRangeReply {
v := new(GetXIDRangeReply)
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.StartId = xgb.Get32(buf[b:])
b += 4
v.Count = xgb.Get32(buf[b:])
b += 4
return v
}
// Write request to wire for GetXIDRange
// getXIDRangeRequest writes a GetXIDRange request to a byte slice.
func getXIDRangeRequest(c *xgb.Conn) []byte {
size := 4
b := 0
buf := make([]byte, size)
buf[b] = c.Extensions["XC-MISC"]
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
}
// GetXIDListCookie is a cookie used only for GetXIDList requests.
type GetXIDListCookie struct {
*xgb.Cookie
}
// GetXIDList sends a checked request.
// If an error occurs, it will be returned with the reply by calling GetXIDListCookie.Reply()
func GetXIDList(c *xgb.Conn, Count uint32) GetXIDListCookie {
cookie := c.NewCookie(true, true)
c.NewRequest(getXIDListRequest(c, Count), cookie)
return GetXIDListCookie{cookie}
}
// GetXIDListUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func GetXIDListUnchecked(c *xgb.Conn, Count uint32) GetXIDListCookie {
cookie := c.NewCookie(false, true)
c.NewRequest(getXIDListRequest(c, Count), cookie)
return GetXIDListCookie{cookie}
}
// GetXIDListReply represents the data returned from a GetXIDList request.
type GetXIDListReply struct {
Sequence uint16 // sequence number of the request for this reply
Length uint32 // number of bytes in this reply
// padding: 1 bytes
IdsLen uint32
// padding: 20 bytes
Ids []uint32 // size: xgb.Pad((int(IdsLen) * 4))
}
// Reply blocks and returns the reply data for a GetXIDList request.
func (cook GetXIDListCookie) Reply() (*GetXIDListReply, error) {
buf, err := cook.Cookie.Reply()
if err != nil {
return nil, err
}
if buf == nil {
return nil, nil
}
return getXIDListReply(buf), nil
}
// getXIDListReply reads a byte slice into a GetXIDListReply value.
func getXIDListReply(buf []byte) *GetXIDListReply {
v := new(GetXIDListReply)
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.IdsLen = xgb.Get32(buf[b:])
b += 4
b += 20 // padding
v.Ids = make([]uint32, v.IdsLen)
for i := 0; i < int(v.IdsLen); i++ {
v.Ids[i] = xgb.Get32(buf[b:])
b += 4
}
b = xgb.Pad(b)
return v
}
// Write request to wire for GetXIDList
// getXIDListRequest writes a GetXIDList request to a byte slice.
func getXIDListRequest(c *xgb.Conn, Count uint32) []byte {
size := 8
b := 0
buf := make([]byte, size)
buf[b] = c.Extensions["XC-MISC"]
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:], Count)
b += 4
return buf
}