593 lines
16 KiB
Go
593 lines
16 KiB
Go
|
// Package damage is the X client API for the DAMAGE extension.
|
||
|
|
package damage
|
||
|
|
|
||
|
|
// This file is automatically generated from damage.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 DAMAGE extension.
|
||
|
|
func Init(c *xgb.Conn) error {
|
||
|
|
reply, err := xproto.QueryExtension(c, 6, "DAMAGE").Reply()
|
||
|
|
switch {
|
||
|
|
case err != nil:
|
||
|
|
return err
|
||
|
|
case !reply.Present:
|
||
|
|
return xgb.Errorf("No extension named DAMAGE could be found on on the server.")
|
||
|
|
}
|
||
|
|
|
||
|
|
c.ExtLock.Lock()
|
||
|
|
c.Extensions["DAMAGE"] = reply.MajorOpcode
|
||
|
|
c.ExtLock.Unlock()
|
||
|
|
for evNum, fun := range xgb.NewExtEventFuncs["DAMAGE"] {
|
||
|
|
xgb.NewEventFuncs[int(reply.FirstEvent)+evNum] = fun
|
||
|
|
}
|
||
|
|
for errNum, fun := range xgb.NewExtErrorFuncs["DAMAGE"] {
|
||
|
|
xgb.NewErrorFuncs[int(reply.FirstError)+errNum] = fun
|
||
|
|
}
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func init() {
|
||
|
|
xgb.NewExtEventFuncs["DAMAGE"] = make(map[int]xgb.NewEventFun)
|
||
|
|
xgb.NewExtErrorFuncs["DAMAGE"] = make(map[int]xgb.NewErrorFun)
|
||
|
|
}
|
||
|
|
|
||
|
|
// BadBadDamage is the error number for a BadBadDamage.
|
||
|
|
const BadBadDamage = 0
|
||
|
|
|
||
|
|
type BadDamageError struct {
|
||
|
|
Sequence uint16
|
||
|
|
NiceName string
|
||
|
|
}
|
||
|
|
|
||
|
|
// BadDamageErrorNew constructs a BadDamageError value that implements xgb.Error from a byte slice.
|
||
|
|
func BadDamageErrorNew(buf []byte) xgb.Error {
|
||
|
|
v := BadDamageError{}
|
||
|
|
v.NiceName = "BadDamage"
|
||
|
|
|
||
|
|
b := 1 // skip error determinant
|
||
|
|
b += 1 // don't read error number
|
||
|
|
|
||
|
|
v.Sequence = xgb.Get16(buf[b:])
|
||
|
|
b += 2
|
||
|
|
|
||
|
|
return v
|
||
|
|
}
|
||
|
|
|
||
|
|
// SequenceId returns the sequence id attached to the BadBadDamage error.
|
||
|
|
// This is mostly used internally.
|
||
|
|
func (err BadDamageError) SequenceId() uint16 {
|
||
|
|
return err.Sequence
|
||
|
|
}
|
||
|
|
|
||
|
|
// BadId returns the 'BadValue' number if one exists for the BadBadDamage error. If no bad value exists, 0 is returned.
|
||
|
|
func (err BadDamageError) BadId() uint32 {
|
||
|
|
return 0
|
||
|
|
}
|
||
|
|
|
||
|
|
// Error returns a rudimentary string representation of the BadBadDamage error.
|
||
|
|
|
||
|
|
func (err BadDamageError) Error() string {
|
||
|
|
fieldVals := make([]string, 0, 0)
|
||
|
|
fieldVals = append(fieldVals, "NiceName: "+err.NiceName)
|
||
|
|
fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", err.Sequence))
|
||
|
|
return "BadBadDamage {" + xgb.StringsJoin(fieldVals, ", ") + "}"
|
||
|
|
}
|
||
|
|
|
||
|
|
func init() {
|
||
|
|
xgb.NewExtErrorFuncs["DAMAGE"][0] = BadDamageErrorNew
|
||
|
|
}
|
||
|
|
|
||
|
|
type Damage uint32
|
||
|
|
|
||
|
|
func NewDamageId(c *xgb.Conn) (Damage, error) {
|
||
|
|
id, err := c.NewId()
|
||
|
|
if err != nil {
|
||
|
|
return 0, err
|
||
|
|
}
|
||
|
|
return Damage(id), nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// Notify is the event number for a NotifyEvent.
|
||
|
|
const Notify = 0
|
||
|
|
|
||
|
|
type NotifyEvent struct {
|
||
|
|
Sequence uint16
|
||
|
|
Level byte
|
||
|
|
Drawable xproto.Drawable
|
||
|
|
Damage Damage
|
||
|
|
Timestamp xproto.Timestamp
|
||
|
|
Area xproto.Rectangle
|
||
|
|
Geometry xproto.Rectangle
|
||
|
|
}
|
||
|
|
|
||
|
|
// NotifyEventNew constructs a NotifyEvent value that implements xgb.Event from a byte slice.
|
||
|
|
func NotifyEventNew(buf []byte) xgb.Event {
|
||
|
|
v := NotifyEvent{}
|
||
|
|
b := 1 // don't read event number
|
||
|
|
|
||
|
|
v.Level = buf[b]
|
||
|
|
b += 1
|
||
|
|
|
||
|
|
v.Sequence = xgb.Get16(buf[b:])
|
||
|
|
b += 2
|
||
|
|
|
||
|
|
v.Drawable = xproto.Drawable(xgb.Get32(buf[b:]))
|
||
|
|
b += 4
|
||
|
|
|
||
|
|
v.Damage = Damage(xgb.Get32(buf[b:]))
|
||
|
|
b += 4
|
||
|
|
|
||
|
|
v.Timestamp = xproto.Timestamp(xgb.Get32(buf[b:]))
|
||
|
|
b += 4
|
||
|
|
|
||
|
|
v.Area = xproto.Rectangle{}
|
||
|
|
b += xproto.RectangleRead(buf[b:], &v.Area)
|
||
|
|
|
||
|
|
v.Geometry = xproto.Rectangle{}
|
||
|
|
b += xproto.RectangleRead(buf[b:], &v.Geometry)
|
||
|
|
|
||
|
|
return v
|
||
|
|
}
|
||
|
|
|
||
|
|
// Bytes writes a NotifyEvent value to a byte slice.
|
||
|
|
func (v NotifyEvent) Bytes() []byte {
|
||
|
|
buf := make([]byte, 32)
|
||
|
|
b := 0
|
||
|
|
|
||
|
|
// write event number
|
||
|
|
buf[b] = 0
|
||
|
|
b += 1
|
||
|
|
|
||
|
|
buf[b] = v.Level
|
||
|
|
b += 1
|
||
|
|
|
||
|
|
b += 2 // skip sequence number
|
||
|
|
|
||
|
|
xgb.Put32(buf[b:], uint32(v.Drawable))
|
||
|
|
b += 4
|
||
|
|
|
||
|
|
xgb.Put32(buf[b:], uint32(v.Damage))
|
||
|
|
b += 4
|
||
|
|
|
||
|
|
xgb.Put32(buf[b:], uint32(v.Timestamp))
|
||
|
|
b += 4
|
||
|
|
|
||
|
|
{
|
||
|
|
structBytes := v.Area.Bytes()
|
||
|
|
copy(buf[b:], structBytes)
|
||
|
|
b += len(structBytes)
|
||
|
|
}
|
||
|
|
|
||
|
|
{
|
||
|
|
structBytes := v.Geometry.Bytes()
|
||
|
|
copy(buf[b:], structBytes)
|
||
|
|
b += len(structBytes)
|
||
|
|
}
|
||
|
|
|
||
|
|
return buf
|
||
|
|
}
|
||
|
|
|
||
|
|
// SequenceId returns the sequence id attached to the Notify event.
|
||
|
|
// Events without a sequence number (KeymapNotify) return 0.
|
||
|
|
// This is mostly used internally.
|
||
|
|
func (v NotifyEvent) SequenceId() uint16 {
|
||
|
|
return v.Sequence
|
||
|
|
}
|
||
|
|
|
||
|
|
// String is a rudimentary string representation of NotifyEvent.
|
||
|
|
func (v NotifyEvent) String() string {
|
||
|
|
fieldVals := make([]string, 0, 6)
|
||
|
|
fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
|
||
|
|
fieldVals = append(fieldVals, xgb.Sprintf("Level: %d", v.Level))
|
||
|
|
fieldVals = append(fieldVals, xgb.Sprintf("Drawable: %d", v.Drawable))
|
||
|
|
fieldVals = append(fieldVals, xgb.Sprintf("Damage: %d", v.Damage))
|
||
|
|
fieldVals = append(fieldVals, xgb.Sprintf("Timestamp: %d", v.Timestamp))
|
||
|
|
return "Notify {" + xgb.StringsJoin(fieldVals, ", ") + "}"
|
||
|
|
}
|
||
|
|
|
||
|
|
func init() {
|
||
|
|
xgb.NewExtEventFuncs["DAMAGE"][0] = NotifyEventNew
|
||
|
|
}
|
||
|
|
|
||
|
|
const (
|
||
|
|
ReportLevelRawRectangles = 0
|
||
|
|
ReportLevelDeltaRectangles = 1
|
||
|
|
ReportLevelBoundingBox = 2
|
||
|
|
ReportLevelNonEmpty = 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'
|
||
|
|
|
||
|
|
// AddCookie is a cookie used only for Add requests.
|
||
|
|
type AddCookie struct {
|
||
|
|
*xgb.Cookie
|
||
|
|
}
|
||
|
|
|
||
|
|
// Add sends an unchecked request.
|
||
|
|
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
|
||
|
|
func Add(c *xgb.Conn, Drawable xproto.Drawable, Region xfixes.Region) AddCookie {
|
||
|
|
c.ExtLock.RLock()
|
||
|
|
defer c.ExtLock.RUnlock()
|
||
|
|
if _, ok := c.Extensions["DAMAGE"]; !ok {
|
||
|
|
panic("Cannot issue request 'Add' using the uninitialized extension 'DAMAGE'. damage.Init(connObj) must be called first.")
|
||
|
|
}
|
||
|
|
cookie := c.NewCookie(false, false)
|
||
|
|
c.NewRequest(addRequest(c, Drawable, Region), cookie)
|
||
|
|
return AddCookie{cookie}
|
||
|
|
}
|
||
|
|
|
||
|
|
// AddChecked sends a checked request.
|
||
|
|
// If an error occurs, it can be retrieved using AddCookie.Check()
|
||
|
|
func AddChecked(c *xgb.Conn, Drawable xproto.Drawable, Region xfixes.Region) AddCookie {
|
||
|
|
c.ExtLock.RLock()
|
||
|
|
defer c.ExtLock.RUnlock()
|
||
|
|
if _, ok := c.Extensions["DAMAGE"]; !ok {
|
||
|
|
panic("Cannot issue request 'Add' using the uninitialized extension 'DAMAGE'. damage.Init(connObj) must be called first.")
|
||
|
|
}
|
||
|
|
cookie := c.NewCookie(true, false)
|
||
|
|
c.NewRequest(addRequest(c, Drawable, Region), cookie)
|
||
|
|
return AddCookie{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 AddCookie) Check() error {
|
||
|
|
return cook.Cookie.Check()
|
||
|
|
}
|
||
|
|
|
||
|
|
// Write request to wire for Add
|
||
|
|
// addRequest writes a Add request to a byte slice.
|
||
|
|
func addRequest(c *xgb.Conn, Drawable xproto.Drawable, Region xfixes.Region) []byte {
|
||
|
|
size := 12
|
||
|
|
b := 0
|
||
|
|
buf := make([]byte, size)
|
||
|
|
|
||
|
|
c.ExtLock.RLock()
|
||
|
|
buf[b] = c.Extensions["DAMAGE"]
|
||
|
|
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(Drawable))
|
||
|
|
b += 4
|
||
|
|
|
||
|
|
xgb.Put32(buf[b:], uint32(Region))
|
||
|
|
b += 4
|
||
|
|
|
||
|
|
return buf
|
||
|
|
}
|
||
|
|
|
||
|
|
// CreateCookie is a cookie used only for Create requests.
|
||
|
|
type CreateCookie struct {
|
||
|
|
*xgb.Cookie
|
||
|
|
}
|
||
|
|
|
||
|
|
// Create sends an unchecked request.
|
||
|
|
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
|
||
|
|
func Create(c *xgb.Conn, Damage Damage, Drawable xproto.Drawable, Level byte) CreateCookie {
|
||
|
|
c.ExtLock.RLock()
|
||
|
|
defer c.ExtLock.RUnlock()
|
||
|
|
if _, ok := c.Extensions["DAMAGE"]; !ok {
|
||
|
|
panic("Cannot issue request 'Create' using the uninitialized extension 'DAMAGE'. damage.Init(connObj) must be called first.")
|
||
|
|
}
|
||
|
|
cookie := c.NewCookie(false, false)
|
||
|
|
c.NewRequest(createRequest(c, Damage, Drawable, Level), cookie)
|
||
|
|
return CreateCookie{cookie}
|
||
|
|
}
|
||
|
|
|
||
|
|
// CreateChecked sends a checked request.
|
||
|
|
// If an error occurs, it can be retrieved using CreateCookie.Check()
|
||
|
|
func CreateChecked(c *xgb.Conn, Damage Damage, Drawable xproto.Drawable, Level byte) CreateCookie {
|
||
|
|
c.ExtLock.RLock()
|
||
|
|
defer c.ExtLock.RUnlock()
|
||
|
|
if _, ok := c.Extensions["DAMAGE"]; !ok {
|
||
|
|
panic("Cannot issue request 'Create' using the uninitialized extension 'DAMAGE'. damage.Init(connObj) must be called first.")
|
||
|
|
}
|
||
|
|
cookie := c.NewCookie(true, false)
|
||
|
|
c.NewRequest(createRequest(c, Damage, Drawable, Level), cookie)
|
||
|
|
return CreateCookie{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 CreateCookie) Check() error {
|
||
|
|
return cook.Cookie.Check()
|
||
|
|
}
|
||
|
|
|
||
|
|
// Write request to wire for Create
|
||
|
|
// createRequest writes a Create request to a byte slice.
|
||
|
|
func createRequest(c *xgb.Conn, Damage Damage, Drawable xproto.Drawable, Level byte) []byte {
|
||
|
|
size := 16
|
||
|
|
b := 0
|
||
|
|
buf := make([]byte, size)
|
||
|
|
|
||
|
|
c.ExtLock.RLock()
|
||
|
|
buf[b] = c.Extensions["DAMAGE"]
|
||
|
|
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(Damage))
|
||
|
|
b += 4
|
||
|
|
|
||
|
|
xgb.Put32(buf[b:], uint32(Drawable))
|
||
|
|
b += 4
|
||
|
|
|
||
|
|
buf[b] = Level
|
||
|
|
b += 1
|
||
|
|
|
||
|
|
b += 3 // padding
|
||
|
|
|
||
|
|
return buf
|
||
|
|
}
|
||
|
|
|
||
|
|
// DestroyCookie is a cookie used only for Destroy requests.
|
||
|
|
type DestroyCookie struct {
|
||
|
|
*xgb.Cookie
|
||
|
|
}
|
||
|
|
|
||
|
|
// Destroy sends an unchecked request.
|
||
|
|
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
|
||
|
|
func Destroy(c *xgb.Conn, Damage Damage) DestroyCookie {
|
||
|
|
c.ExtLock.RLock()
|
||
|
|
defer c.ExtLock.RUnlock()
|
||
|
|
if _, ok := c.Extensions["DAMAGE"]; !ok {
|
||
|
|
panic("Cannot issue request 'Destroy' using the uninitialized extension 'DAMAGE'. damage.Init(connObj) must be called first.")
|
||
|
|
}
|
||
|
|
cookie := c.NewCookie(false, false)
|
||
|
|
c.NewRequest(destroyRequest(c, Damage), cookie)
|
||
|
|
return DestroyCookie{cookie}
|
||
|
|
}
|
||
|
|
|
||
|
|
// DestroyChecked sends a checked request.
|
||
|
|
// If an error occurs, it can be retrieved using DestroyCookie.Check()
|
||
|
|
func DestroyChecked(c *xgb.Conn, Damage Damage) DestroyCookie {
|
||
|
|
c.ExtLock.RLock()
|
||
|
|
defer c.ExtLock.RUnlock()
|
||
|
|
if _, ok := c.Extensions["DAMAGE"]; !ok {
|
||
|
|
panic("Cannot issue request 'Destroy' using the uninitialized extension 'DAMAGE'. damage.Init(connObj) must be called first.")
|
||
|
|
}
|
||
|
|
cookie := c.NewCookie(true, false)
|
||
|
|
c.NewRequest(destroyRequest(c, Damage), cookie)
|
||
|
|
return DestroyCookie{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 DestroyCookie) Check() error {
|
||
|
|
return cook.Cookie.Check()
|
||
|
|
}
|
||
|
|
|
||
|
|
// Write request to wire for Destroy
|
||
|
|
// destroyRequest writes a Destroy request to a byte slice.
|
||
|
|
func destroyRequest(c *xgb.Conn, Damage Damage) []byte {
|
||
|
|
size := 8
|
||
|
|
b := 0
|
||
|
|
buf := make([]byte, size)
|
||
|
|
|
||
|
|
c.ExtLock.RLock()
|
||
|
|
buf[b] = c.Extensions["DAMAGE"]
|
||
|
|
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(Damage))
|
||
|
|
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["DAMAGE"]; !ok {
|
||
|
|
panic("Cannot issue request 'QueryVersion' using the uninitialized extension 'DAMAGE'. damage.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["DAMAGE"]; !ok {
|
||
|
|
panic("Cannot issue request 'QueryVersion' using the uninitialized extension 'DAMAGE'. damage.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["DAMAGE"]
|
||
|
|
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
|
||
|
|
}
|
||
|
|
|
||
|
|
// SubtractCookie is a cookie used only for Subtract requests.
|
||
|
|
type SubtractCookie struct {
|
||
|
|
*xgb.Cookie
|
||
|
|
}
|
||
|
|
|
||
|
|
// Subtract sends an unchecked request.
|
||
|
|
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
|
||
|
|
func Subtract(c *xgb.Conn, Damage Damage, Repair xfixes.Region, Parts xfixes.Region) SubtractCookie {
|
||
|
|
c.ExtLock.RLock()
|
||
|
|
defer c.ExtLock.RUnlock()
|
||
|
|
if _, ok := c.Extensions["DAMAGE"]; !ok {
|
||
|
|
panic("Cannot issue request 'Subtract' using the uninitialized extension 'DAMAGE'. damage.Init(connObj) must be called first.")
|
||
|
|
}
|
||
|
|
cookie := c.NewCookie(false, false)
|
||
|
|
c.NewRequest(subtractRequest(c, Damage, Repair, Parts), cookie)
|
||
|
|
return SubtractCookie{cookie}
|
||
|
|
}
|
||
|
|
|
||
|
|
// SubtractChecked sends a checked request.
|
||
|
|
// If an error occurs, it can be retrieved using SubtractCookie.Check()
|
||
|
|
func SubtractChecked(c *xgb.Conn, Damage Damage, Repair xfixes.Region, Parts xfixes.Region) SubtractCookie {
|
||
|
|
c.ExtLock.RLock()
|
||
|
|
defer c.ExtLock.RUnlock()
|
||
|
|
if _, ok := c.Extensions["DAMAGE"]; !ok {
|
||
|
|
panic("Cannot issue request 'Subtract' using the uninitialized extension 'DAMAGE'. damage.Init(connObj) must be called first.")
|
||
|
|
}
|
||
|
|
cookie := c.NewCookie(true, false)
|
||
|
|
c.NewRequest(subtractRequest(c, Damage, Repair, Parts), cookie)
|
||
|
|
return SubtractCookie{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 SubtractCookie) Check() error {
|
||
|
|
return cook.Cookie.Check()
|
||
|
|
}
|
||
|
|
|
||
|
|
// Write request to wire for Subtract
|
||
|
|
// subtractRequest writes a Subtract request to a byte slice.
|
||
|
|
func subtractRequest(c *xgb.Conn, Damage Damage, Repair xfixes.Region, Parts xfixes.Region) []byte {
|
||
|
|
size := 16
|
||
|
|
b := 0
|
||
|
|
buf := make([]byte, size)
|
||
|
|
|
||
|
|
c.ExtLock.RLock()
|
||
|
|
buf[b] = c.Extensions["DAMAGE"]
|
||
|
|
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(Damage))
|
||
|
|
b += 4
|
||
|
|
|
||
|
|
xgb.Put32(buf[b:], uint32(Repair))
|
||
|
|
b += 4
|
||
|
|
|
||
|
|
xgb.Put32(buf[b:], uint32(Parts))
|
||
|
|
b += 4
|
||
|
|
|
||
|
|
return buf
|
||
|
|
}
|