976 lines
28 KiB
Go
976 lines
28 KiB
Go
// Package shape is the X client API for the SHAPE extension.
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package shape
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/*
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This file was generated by shape.xml on May 26 2012 6:23:13pm EDT.
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This file is automatically generated. Edit at your peril!
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*/
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import (
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"github.com/BurntSushi/xgb"
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"github.com/BurntSushi/xgb/xproto"
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)
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// Init must be called before using the SHAPE extension.
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func Init(c *xgb.Conn) error {
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reply, err := xproto.QueryExtension(c, 5, "SHAPE").Reply()
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switch {
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case err != nil:
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return err
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case !reply.Present:
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return xgb.Errorf("No extension named SHAPE could be found on on the server.")
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}
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xgb.ExtLock.Lock()
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c.Extensions["SHAPE"] = reply.MajorOpcode
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for evNum, fun := range xgb.NewExtEventFuncs["SHAPE"] {
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xgb.NewEventFuncs[int(reply.FirstEvent)+evNum] = fun
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}
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for errNum, fun := range xgb.NewExtErrorFuncs["SHAPE"] {
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xgb.NewErrorFuncs[int(reply.FirstError)+errNum] = fun
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}
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xgb.ExtLock.Unlock()
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return nil
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}
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func init() {
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xgb.NewExtEventFuncs["SHAPE"] = make(map[int]xgb.NewEventFun)
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xgb.NewExtErrorFuncs["SHAPE"] = make(map[int]xgb.NewErrorFun)
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}
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// Skipping definition for base type 'Int8'
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// Skipping definition for base type 'Card16'
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// Skipping definition for base type 'Char'
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// Skipping definition for base type 'Card32'
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// Skipping definition for base type 'Double'
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// Skipping definition for base type 'Bool'
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// Skipping definition for base type 'Float'
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// Skipping definition for base type 'Card8'
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// Skipping definition for base type 'Int16'
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// Skipping definition for base type 'Int32'
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// Skipping definition for base type 'Void'
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// Skipping definition for base type 'Byte'
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const (
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SoSet = 0
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SoUnion = 1
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SoIntersect = 2
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SoSubtract = 3
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SoInvert = 4
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)
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const (
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SkBounding = 0
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SkClip = 1
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SkInput = 2
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)
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type Op byte
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type Kind byte
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// Notify is the event number for a NotifyEvent.
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const Notify = 0
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type NotifyEvent struct {
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Sequence uint16
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ShapeKind Kind
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AffectedWindow xproto.Window
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ExtentsX int16
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ExtentsY int16
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ExtentsWidth uint16
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ExtentsHeight uint16
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ServerTime xproto.Timestamp
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Shaped bool
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// padding: 11 bytes
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}
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// NotifyEventNew constructs a NotifyEvent value that implements xgb.Event from a byte slice.
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func NotifyEventNew(buf []byte) xgb.Event {
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v := NotifyEvent{}
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b := 1 // don't read event number
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v.ShapeKind = Kind(buf[b])
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b += 1
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v.Sequence = xgb.Get16(buf[b:])
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b += 2
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v.AffectedWindow = xproto.Window(xgb.Get32(buf[b:]))
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b += 4
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v.ExtentsX = int16(xgb.Get16(buf[b:]))
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b += 2
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v.ExtentsY = int16(xgb.Get16(buf[b:]))
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b += 2
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v.ExtentsWidth = xgb.Get16(buf[b:])
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b += 2
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v.ExtentsHeight = xgb.Get16(buf[b:])
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b += 2
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v.ServerTime = xproto.Timestamp(xgb.Get32(buf[b:]))
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b += 4
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if buf[b] == 1 {
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v.Shaped = true
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} else {
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v.Shaped = false
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}
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b += 1
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b += 11 // padding
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return v
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}
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// Bytes writes a NotifyEvent value to a byte slice.
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func (v NotifyEvent) Bytes() []byte {
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buf := make([]byte, 32)
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b := 0
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// write event number
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buf[b] = 0
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b += 1
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buf[b] = byte(v.ShapeKind)
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b += 1
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b += 2 // skip sequence number
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xgb.Put32(buf[b:], uint32(v.AffectedWindow))
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b += 4
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xgb.Put16(buf[b:], uint16(v.ExtentsX))
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b += 2
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xgb.Put16(buf[b:], uint16(v.ExtentsY))
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b += 2
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xgb.Put16(buf[b:], v.ExtentsWidth)
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b += 2
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xgb.Put16(buf[b:], v.ExtentsHeight)
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b += 2
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xgb.Put32(buf[b:], uint32(v.ServerTime))
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b += 4
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if v.Shaped {
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buf[b] = 1
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} else {
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buf[b] = 0
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}
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b += 1
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b += 11 // padding
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return buf
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}
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// SequenceId returns the sequence id attached to the Notify event.
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// Events without a sequence number (KeymapNotify) return 0.
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// This is mostly used internally.
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func (v NotifyEvent) SequenceId() uint16 {
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return v.Sequence
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}
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// String is a rudimentary string representation of NotifyEvent.
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func (v NotifyEvent) String() string {
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fieldVals := make([]string, 0, 9)
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fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
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fieldVals = append(fieldVals, xgb.Sprintf("ShapeKind: %d", v.ShapeKind))
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fieldVals = append(fieldVals, xgb.Sprintf("AffectedWindow: %d", v.AffectedWindow))
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fieldVals = append(fieldVals, xgb.Sprintf("ExtentsX: %d", v.ExtentsX))
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fieldVals = append(fieldVals, xgb.Sprintf("ExtentsY: %d", v.ExtentsY))
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fieldVals = append(fieldVals, xgb.Sprintf("ExtentsWidth: %d", v.ExtentsWidth))
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fieldVals = append(fieldVals, xgb.Sprintf("ExtentsHeight: %d", v.ExtentsHeight))
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fieldVals = append(fieldVals, xgb.Sprintf("ServerTime: %d", v.ServerTime))
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fieldVals = append(fieldVals, xgb.Sprintf("Shaped: %t", v.Shaped))
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return "Notify {" + xgb.StringsJoin(fieldVals, ", ") + "}"
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}
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func init() {
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xgb.NewExtEventFuncs["SHAPE"][0] = NotifyEventNew
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}
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// QueryVersionCookie is a cookie used only for QueryVersion requests.
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type QueryVersionCookie struct {
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*xgb.Cookie
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}
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// QueryVersion sends a checked request.
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// If an error occurs, it will be returned with the reply by calling QueryVersionCookie.Reply()
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func QueryVersion(c *xgb.Conn) QueryVersionCookie {
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if _, ok := c.Extensions["SHAPE"]; !ok {
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panic("Cannot issue request 'QueryVersion' using the uninitialized extension 'SHAPE'. shape.Init(connObj) must be called first.")
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}
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cookie := c.NewCookie(true, true)
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c.NewRequest(queryVersionRequest(c), cookie)
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return QueryVersionCookie{cookie}
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}
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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) QueryVersionCookie {
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if _, ok := c.Extensions["SHAPE"]; !ok {
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panic("Cannot issue request 'QueryVersion' using the uninitialized extension 'SHAPE'. shape.Init(connObj) must be called first.")
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}
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cookie := c.NewCookie(false, true)
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c.NewRequest(queryVersionRequest(c), cookie)
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return QueryVersionCookie{cookie}
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}
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// QueryVersionReply represents the data returned from a QueryVersion request.
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type QueryVersionReply struct {
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Sequence uint16 // sequence number of the request for this reply
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Length uint32 // number of bytes in this reply
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// padding: 1 bytes
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MajorVersion uint16
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MinorVersion uint16
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}
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// Reply blocks and returns the reply data for a QueryVersion request.
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func (cook QueryVersionCookie) Reply() (*QueryVersionReply, error) {
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buf, err := cook.Cookie.Reply()
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if err != nil {
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return nil, err
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}
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if buf == nil {
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return nil, nil
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}
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return queryVersionReply(buf), nil
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}
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// queryVersionReply reads a byte slice into a QueryVersionReply value.
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func queryVersionReply(buf []byte) *QueryVersionReply {
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v := new(QueryVersionReply)
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b := 1 // skip reply determinant
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b += 1 // padding
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v.Sequence = xgb.Get16(buf[b:])
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b += 2
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v.Length = xgb.Get32(buf[b:]) // 4-byte units
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b += 4
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v.MajorVersion = xgb.Get16(buf[b:])
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b += 2
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v.MinorVersion = xgb.Get16(buf[b:])
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b += 2
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return v
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}
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// Write request to wire for QueryVersion
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// queryVersionRequest writes a QueryVersion request to a byte slice.
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func queryVersionRequest(c *xgb.Conn) []byte {
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size := 4
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b := 0
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buf := make([]byte, size)
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buf[b] = c.Extensions["SHAPE"]
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b += 1
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buf[b] = 0 // request opcode
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b += 1
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xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
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b += 2
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return buf
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}
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// RectanglesCookie is a cookie used only for Rectangles requests.
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type RectanglesCookie struct {
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*xgb.Cookie
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}
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// Rectangles 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 Rectangles(c *xgb.Conn, Operation Op, DestinationKind Kind, Ordering byte, DestinationWindow xproto.Window, XOffset int16, YOffset int16, Rectangles []xproto.Rectangle) RectanglesCookie {
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if _, ok := c.Extensions["SHAPE"]; !ok {
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panic("Cannot issue request 'Rectangles' using the uninitialized extension 'SHAPE'. shape.Init(connObj) must be called first.")
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}
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cookie := c.NewCookie(false, false)
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c.NewRequest(rectanglesRequest(c, Operation, DestinationKind, Ordering, DestinationWindow, XOffset, YOffset, Rectangles), cookie)
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return RectanglesCookie{cookie}
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}
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// RectanglesChecked sends a checked request.
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// If an error occurs, it can be retrieved using RectanglesCookie.Check()
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func RectanglesChecked(c *xgb.Conn, Operation Op, DestinationKind Kind, Ordering byte, DestinationWindow xproto.Window, XOffset int16, YOffset int16, Rectangles []xproto.Rectangle) RectanglesCookie {
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if _, ok := c.Extensions["SHAPE"]; !ok {
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panic("Cannot issue request 'Rectangles' using the uninitialized extension 'SHAPE'. shape.Init(connObj) must be called first.")
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}
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cookie := c.NewCookie(true, false)
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c.NewRequest(rectanglesRequest(c, Operation, DestinationKind, Ordering, DestinationWindow, XOffset, YOffset, Rectangles), cookie)
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return RectanglesCookie{cookie}
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}
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// Check returns an error if one occurred for checked requests that are not expecting a reply.
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// This cannot be called for requests expecting a reply, nor for unchecked requests.
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func (cook RectanglesCookie) Check() error {
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return cook.Cookie.Check()
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}
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// Write request to wire for Rectangles
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// rectanglesRequest writes a Rectangles request to a byte slice.
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func rectanglesRequest(c *xgb.Conn, Operation Op, DestinationKind Kind, Ordering byte, DestinationWindow xproto.Window, XOffset int16, YOffset int16, Rectangles []xproto.Rectangle) []byte {
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size := xgb.Pad((16 + xgb.Pad((len(Rectangles) * 8))))
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b := 0
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buf := make([]byte, size)
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buf[b] = c.Extensions["SHAPE"]
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b += 1
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buf[b] = 1 // request opcode
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b += 1
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xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
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b += 2
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buf[b] = byte(Operation)
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b += 1
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buf[b] = byte(DestinationKind)
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b += 1
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buf[b] = Ordering
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b += 1
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b += 1 // padding
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xgb.Put32(buf[b:], uint32(DestinationWindow))
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b += 4
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xgb.Put16(buf[b:], uint16(XOffset))
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b += 2
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xgb.Put16(buf[b:], uint16(YOffset))
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b += 2
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b += xproto.RectangleListBytes(buf[b:], Rectangles)
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return buf
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}
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// MaskCookie is a cookie used only for Mask requests.
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type MaskCookie struct {
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*xgb.Cookie
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}
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// Mask 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 Mask(c *xgb.Conn, Operation Op, DestinationKind Kind, DestinationWindow xproto.Window, XOffset int16, YOffset int16, SourceBitmap xproto.Pixmap) MaskCookie {
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if _, ok := c.Extensions["SHAPE"]; !ok {
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panic("Cannot issue request 'Mask' using the uninitialized extension 'SHAPE'. shape.Init(connObj) must be called first.")
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}
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cookie := c.NewCookie(false, false)
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c.NewRequest(maskRequest(c, Operation, DestinationKind, DestinationWindow, XOffset, YOffset, SourceBitmap), cookie)
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return MaskCookie{cookie}
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}
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// MaskChecked sends a checked request.
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// If an error occurs, it can be retrieved using MaskCookie.Check()
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func MaskChecked(c *xgb.Conn, Operation Op, DestinationKind Kind, DestinationWindow xproto.Window, XOffset int16, YOffset int16, SourceBitmap xproto.Pixmap) MaskCookie {
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if _, ok := c.Extensions["SHAPE"]; !ok {
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panic("Cannot issue request 'Mask' using the uninitialized extension 'SHAPE'. shape.Init(connObj) must be called first.")
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}
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cookie := c.NewCookie(true, false)
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c.NewRequest(maskRequest(c, Operation, DestinationKind, DestinationWindow, XOffset, YOffset, SourceBitmap), cookie)
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return MaskCookie{cookie}
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}
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// Check returns an error if one occurred for checked requests that are not expecting a reply.
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// This cannot be called for requests expecting a reply, nor for unchecked requests.
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func (cook MaskCookie) Check() error {
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return cook.Cookie.Check()
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}
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// Write request to wire for Mask
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// maskRequest writes a Mask request to a byte slice.
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func maskRequest(c *xgb.Conn, Operation Op, DestinationKind Kind, DestinationWindow xproto.Window, XOffset int16, YOffset int16, SourceBitmap xproto.Pixmap) []byte {
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size := 20
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b := 0
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buf := make([]byte, size)
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buf[b] = c.Extensions["SHAPE"]
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b += 1
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buf[b] = 2 // request opcode
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b += 1
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xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
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b += 2
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buf[b] = byte(Operation)
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b += 1
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buf[b] = byte(DestinationKind)
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b += 1
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b += 2 // padding
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xgb.Put32(buf[b:], uint32(DestinationWindow))
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b += 4
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xgb.Put16(buf[b:], uint16(XOffset))
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b += 2
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xgb.Put16(buf[b:], uint16(YOffset))
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b += 2
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xgb.Put32(buf[b:], uint32(SourceBitmap))
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b += 4
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return buf
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}
|
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|
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// CombineCookie is a cookie used only for Combine requests.
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type CombineCookie struct {
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*xgb.Cookie
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}
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// Combine 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 Combine(c *xgb.Conn, Operation Op, DestinationKind Kind, SourceKind Kind, DestinationWindow xproto.Window, XOffset int16, YOffset int16, SourceWindow xproto.Window) CombineCookie {
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if _, ok := c.Extensions["SHAPE"]; !ok {
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panic("Cannot issue request 'Combine' using the uninitialized extension 'SHAPE'. shape.Init(connObj) must be called first.")
|
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}
|
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cookie := c.NewCookie(false, false)
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c.NewRequest(combineRequest(c, Operation, DestinationKind, SourceKind, DestinationWindow, XOffset, YOffset, SourceWindow), cookie)
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return CombineCookie{cookie}
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}
|
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|
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// CombineChecked sends a checked request.
|
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// If an error occurs, it can be retrieved using CombineCookie.Check()
|
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func CombineChecked(c *xgb.Conn, Operation Op, DestinationKind Kind, SourceKind Kind, DestinationWindow xproto.Window, XOffset int16, YOffset int16, SourceWindow xproto.Window) CombineCookie {
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if _, ok := c.Extensions["SHAPE"]; !ok {
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panic("Cannot issue request 'Combine' using the uninitialized extension 'SHAPE'. shape.Init(connObj) must be called first.")
|
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}
|
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cookie := c.NewCookie(true, false)
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c.NewRequest(combineRequest(c, Operation, DestinationKind, SourceKind, DestinationWindow, XOffset, YOffset, SourceWindow), cookie)
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return CombineCookie{cookie}
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}
|
|
|
|
// 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 CombineCookie) Check() error {
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return cook.Cookie.Check()
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}
|
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|
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// Write request to wire for Combine
|
|
// combineRequest writes a Combine request to a byte slice.
|
|
func combineRequest(c *xgb.Conn, Operation Op, DestinationKind Kind, SourceKind Kind, DestinationWindow xproto.Window, XOffset int16, YOffset int16, SourceWindow xproto.Window) []byte {
|
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size := 20
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b := 0
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buf := make([]byte, size)
|
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|
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buf[b] = c.Extensions["SHAPE"]
|
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b += 1
|
|
|
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buf[b] = 3 // request opcode
|
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b += 1
|
|
|
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xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
|
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b += 2
|
|
|
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buf[b] = byte(Operation)
|
|
b += 1
|
|
|
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buf[b] = byte(DestinationKind)
|
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b += 1
|
|
|
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buf[b] = byte(SourceKind)
|
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b += 1
|
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|
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b += 1 // padding
|
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|
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xgb.Put32(buf[b:], uint32(DestinationWindow))
|
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b += 4
|
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|
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xgb.Put16(buf[b:], uint16(XOffset))
|
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b += 2
|
|
|
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xgb.Put16(buf[b:], uint16(YOffset))
|
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b += 2
|
|
|
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xgb.Put32(buf[b:], uint32(SourceWindow))
|
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b += 4
|
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return buf
|
|
}
|
|
|
|
// OffsetCookie is a cookie used only for Offset requests.
|
|
type OffsetCookie struct {
|
|
*xgb.Cookie
|
|
}
|
|
|
|
// Offset sends an unchecked request.
|
|
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
|
|
func Offset(c *xgb.Conn, DestinationKind Kind, DestinationWindow xproto.Window, XOffset int16, YOffset int16) OffsetCookie {
|
|
if _, ok := c.Extensions["SHAPE"]; !ok {
|
|
panic("Cannot issue request 'Offset' using the uninitialized extension 'SHAPE'. shape.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(false, false)
|
|
c.NewRequest(offsetRequest(c, DestinationKind, DestinationWindow, XOffset, YOffset), cookie)
|
|
return OffsetCookie{cookie}
|
|
}
|
|
|
|
// OffsetChecked sends a checked request.
|
|
// If an error occurs, it can be retrieved using OffsetCookie.Check()
|
|
func OffsetChecked(c *xgb.Conn, DestinationKind Kind, DestinationWindow xproto.Window, XOffset int16, YOffset int16) OffsetCookie {
|
|
if _, ok := c.Extensions["SHAPE"]; !ok {
|
|
panic("Cannot issue request 'Offset' using the uninitialized extension 'SHAPE'. shape.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(true, false)
|
|
c.NewRequest(offsetRequest(c, DestinationKind, DestinationWindow, XOffset, YOffset), cookie)
|
|
return OffsetCookie{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 OffsetCookie) Check() error {
|
|
return cook.Cookie.Check()
|
|
}
|
|
|
|
// Write request to wire for Offset
|
|
// offsetRequest writes a Offset request to a byte slice.
|
|
func offsetRequest(c *xgb.Conn, DestinationKind Kind, DestinationWindow xproto.Window, XOffset int16, YOffset int16) []byte {
|
|
size := 16
|
|
b := 0
|
|
buf := make([]byte, size)
|
|
|
|
buf[b] = c.Extensions["SHAPE"]
|
|
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
|
|
|
|
buf[b] = byte(DestinationKind)
|
|
b += 1
|
|
|
|
b += 3 // padding
|
|
|
|
xgb.Put32(buf[b:], uint32(DestinationWindow))
|
|
b += 4
|
|
|
|
xgb.Put16(buf[b:], uint16(XOffset))
|
|
b += 2
|
|
|
|
xgb.Put16(buf[b:], uint16(YOffset))
|
|
b += 2
|
|
|
|
return buf
|
|
}
|
|
|
|
// QueryExtentsCookie is a cookie used only for QueryExtents requests.
|
|
type QueryExtentsCookie struct {
|
|
*xgb.Cookie
|
|
}
|
|
|
|
// QueryExtents sends a checked request.
|
|
// If an error occurs, it will be returned with the reply by calling QueryExtentsCookie.Reply()
|
|
func QueryExtents(c *xgb.Conn, DestinationWindow xproto.Window) QueryExtentsCookie {
|
|
if _, ok := c.Extensions["SHAPE"]; !ok {
|
|
panic("Cannot issue request 'QueryExtents' using the uninitialized extension 'SHAPE'. shape.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(true, true)
|
|
c.NewRequest(queryExtentsRequest(c, DestinationWindow), cookie)
|
|
return QueryExtentsCookie{cookie}
|
|
}
|
|
|
|
// QueryExtentsUnchecked sends an unchecked request.
|
|
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
|
|
func QueryExtentsUnchecked(c *xgb.Conn, DestinationWindow xproto.Window) QueryExtentsCookie {
|
|
if _, ok := c.Extensions["SHAPE"]; !ok {
|
|
panic("Cannot issue request 'QueryExtents' using the uninitialized extension 'SHAPE'. shape.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(false, true)
|
|
c.NewRequest(queryExtentsRequest(c, DestinationWindow), cookie)
|
|
return QueryExtentsCookie{cookie}
|
|
}
|
|
|
|
// QueryExtentsReply represents the data returned from a QueryExtents request.
|
|
type QueryExtentsReply struct {
|
|
Sequence uint16 // sequence number of the request for this reply
|
|
Length uint32 // number of bytes in this reply
|
|
// padding: 1 bytes
|
|
BoundingShaped bool
|
|
ClipShaped bool
|
|
// padding: 2 bytes
|
|
BoundingShapeExtentsX int16
|
|
BoundingShapeExtentsY int16
|
|
BoundingShapeExtentsWidth uint16
|
|
BoundingShapeExtentsHeight uint16
|
|
ClipShapeExtentsX int16
|
|
ClipShapeExtentsY int16
|
|
ClipShapeExtentsWidth uint16
|
|
ClipShapeExtentsHeight uint16
|
|
}
|
|
|
|
// Reply blocks and returns the reply data for a QueryExtents request.
|
|
func (cook QueryExtentsCookie) Reply() (*QueryExtentsReply, error) {
|
|
buf, err := cook.Cookie.Reply()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if buf == nil {
|
|
return nil, nil
|
|
}
|
|
return queryExtentsReply(buf), nil
|
|
}
|
|
|
|
// queryExtentsReply reads a byte slice into a QueryExtentsReply value.
|
|
func queryExtentsReply(buf []byte) *QueryExtentsReply {
|
|
v := new(QueryExtentsReply)
|
|
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.BoundingShaped = true
|
|
} else {
|
|
v.BoundingShaped = false
|
|
}
|
|
b += 1
|
|
|
|
if buf[b] == 1 {
|
|
v.ClipShaped = true
|
|
} else {
|
|
v.ClipShaped = false
|
|
}
|
|
b += 1
|
|
|
|
b += 2 // padding
|
|
|
|
v.BoundingShapeExtentsX = int16(xgb.Get16(buf[b:]))
|
|
b += 2
|
|
|
|
v.BoundingShapeExtentsY = int16(xgb.Get16(buf[b:]))
|
|
b += 2
|
|
|
|
v.BoundingShapeExtentsWidth = xgb.Get16(buf[b:])
|
|
b += 2
|
|
|
|
v.BoundingShapeExtentsHeight = xgb.Get16(buf[b:])
|
|
b += 2
|
|
|
|
v.ClipShapeExtentsX = int16(xgb.Get16(buf[b:]))
|
|
b += 2
|
|
|
|
v.ClipShapeExtentsY = int16(xgb.Get16(buf[b:]))
|
|
b += 2
|
|
|
|
v.ClipShapeExtentsWidth = xgb.Get16(buf[b:])
|
|
b += 2
|
|
|
|
v.ClipShapeExtentsHeight = xgb.Get16(buf[b:])
|
|
b += 2
|
|
|
|
return v
|
|
}
|
|
|
|
// Write request to wire for QueryExtents
|
|
// queryExtentsRequest writes a QueryExtents request to a byte slice.
|
|
func queryExtentsRequest(c *xgb.Conn, DestinationWindow xproto.Window) []byte {
|
|
size := 8
|
|
b := 0
|
|
buf := make([]byte, size)
|
|
|
|
buf[b] = c.Extensions["SHAPE"]
|
|
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
|
|
|
|
xgb.Put32(buf[b:], uint32(DestinationWindow))
|
|
b += 4
|
|
|
|
return buf
|
|
}
|
|
|
|
// SelectInputCookie is a cookie used only for SelectInput requests.
|
|
type SelectInputCookie struct {
|
|
*xgb.Cookie
|
|
}
|
|
|
|
// SelectInput sends an unchecked request.
|
|
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
|
|
func SelectInput(c *xgb.Conn, DestinationWindow xproto.Window, Enable bool) SelectInputCookie {
|
|
if _, ok := c.Extensions["SHAPE"]; !ok {
|
|
panic("Cannot issue request 'SelectInput' using the uninitialized extension 'SHAPE'. shape.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(false, false)
|
|
c.NewRequest(selectInputRequest(c, DestinationWindow, Enable), cookie)
|
|
return SelectInputCookie{cookie}
|
|
}
|
|
|
|
// SelectInputChecked sends a checked request.
|
|
// If an error occurs, it can be retrieved using SelectInputCookie.Check()
|
|
func SelectInputChecked(c *xgb.Conn, DestinationWindow xproto.Window, Enable bool) SelectInputCookie {
|
|
if _, ok := c.Extensions["SHAPE"]; !ok {
|
|
panic("Cannot issue request 'SelectInput' using the uninitialized extension 'SHAPE'. shape.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(true, false)
|
|
c.NewRequest(selectInputRequest(c, DestinationWindow, Enable), cookie)
|
|
return SelectInputCookie{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 SelectInputCookie) Check() error {
|
|
return cook.Cookie.Check()
|
|
}
|
|
|
|
// Write request to wire for SelectInput
|
|
// selectInputRequest writes a SelectInput request to a byte slice.
|
|
func selectInputRequest(c *xgb.Conn, DestinationWindow xproto.Window, Enable bool) []byte {
|
|
size := 12
|
|
b := 0
|
|
buf := make([]byte, size)
|
|
|
|
buf[b] = c.Extensions["SHAPE"]
|
|
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.Put32(buf[b:], uint32(DestinationWindow))
|
|
b += 4
|
|
|
|
if Enable {
|
|
buf[b] = 1
|
|
} else {
|
|
buf[b] = 0
|
|
}
|
|
b += 1
|
|
|
|
b += 3 // padding
|
|
|
|
return buf
|
|
}
|
|
|
|
// InputSelectedCookie is a cookie used only for InputSelected requests.
|
|
type InputSelectedCookie struct {
|
|
*xgb.Cookie
|
|
}
|
|
|
|
// InputSelected sends a checked request.
|
|
// If an error occurs, it will be returned with the reply by calling InputSelectedCookie.Reply()
|
|
func InputSelected(c *xgb.Conn, DestinationWindow xproto.Window) InputSelectedCookie {
|
|
if _, ok := c.Extensions["SHAPE"]; !ok {
|
|
panic("Cannot issue request 'InputSelected' using the uninitialized extension 'SHAPE'. shape.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(true, true)
|
|
c.NewRequest(inputSelectedRequest(c, DestinationWindow), cookie)
|
|
return InputSelectedCookie{cookie}
|
|
}
|
|
|
|
// InputSelectedUnchecked sends an unchecked request.
|
|
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
|
|
func InputSelectedUnchecked(c *xgb.Conn, DestinationWindow xproto.Window) InputSelectedCookie {
|
|
if _, ok := c.Extensions["SHAPE"]; !ok {
|
|
panic("Cannot issue request 'InputSelected' using the uninitialized extension 'SHAPE'. shape.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(false, true)
|
|
c.NewRequest(inputSelectedRequest(c, DestinationWindow), cookie)
|
|
return InputSelectedCookie{cookie}
|
|
}
|
|
|
|
// InputSelectedReply represents the data returned from a InputSelected request.
|
|
type InputSelectedReply struct {
|
|
Sequence uint16 // sequence number of the request for this reply
|
|
Length uint32 // number of bytes in this reply
|
|
Enabled bool
|
|
}
|
|
|
|
// Reply blocks and returns the reply data for a InputSelected request.
|
|
func (cook InputSelectedCookie) Reply() (*InputSelectedReply, error) {
|
|
buf, err := cook.Cookie.Reply()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if buf == nil {
|
|
return nil, nil
|
|
}
|
|
return inputSelectedReply(buf), nil
|
|
}
|
|
|
|
// inputSelectedReply reads a byte slice into a InputSelectedReply value.
|
|
func inputSelectedReply(buf []byte) *InputSelectedReply {
|
|
v := new(InputSelectedReply)
|
|
b := 1 // skip reply determinant
|
|
|
|
if buf[b] == 1 {
|
|
v.Enabled = true
|
|
} else {
|
|
v.Enabled = false
|
|
}
|
|
b += 1
|
|
|
|
v.Sequence = xgb.Get16(buf[b:])
|
|
b += 2
|
|
|
|
v.Length = xgb.Get32(buf[b:]) // 4-byte units
|
|
b += 4
|
|
|
|
return v
|
|
}
|
|
|
|
// Write request to wire for InputSelected
|
|
// inputSelectedRequest writes a InputSelected request to a byte slice.
|
|
func inputSelectedRequest(c *xgb.Conn, DestinationWindow xproto.Window) []byte {
|
|
size := 8
|
|
b := 0
|
|
buf := make([]byte, size)
|
|
|
|
buf[b] = c.Extensions["SHAPE"]
|
|
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
|
|
|
|
xgb.Put32(buf[b:], uint32(DestinationWindow))
|
|
b += 4
|
|
|
|
return buf
|
|
}
|
|
|
|
// GetRectanglesCookie is a cookie used only for GetRectangles requests.
|
|
type GetRectanglesCookie struct {
|
|
*xgb.Cookie
|
|
}
|
|
|
|
// GetRectangles sends a checked request.
|
|
// If an error occurs, it will be returned with the reply by calling GetRectanglesCookie.Reply()
|
|
func GetRectangles(c *xgb.Conn, Window xproto.Window, SourceKind Kind) GetRectanglesCookie {
|
|
if _, ok := c.Extensions["SHAPE"]; !ok {
|
|
panic("Cannot issue request 'GetRectangles' using the uninitialized extension 'SHAPE'. shape.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(true, true)
|
|
c.NewRequest(getRectanglesRequest(c, Window, SourceKind), cookie)
|
|
return GetRectanglesCookie{cookie}
|
|
}
|
|
|
|
// GetRectanglesUnchecked sends an unchecked request.
|
|
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
|
|
func GetRectanglesUnchecked(c *xgb.Conn, Window xproto.Window, SourceKind Kind) GetRectanglesCookie {
|
|
if _, ok := c.Extensions["SHAPE"]; !ok {
|
|
panic("Cannot issue request 'GetRectangles' using the uninitialized extension 'SHAPE'. shape.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(false, true)
|
|
c.NewRequest(getRectanglesRequest(c, Window, SourceKind), cookie)
|
|
return GetRectanglesCookie{cookie}
|
|
}
|
|
|
|
// GetRectanglesReply represents the data returned from a GetRectangles request.
|
|
type GetRectanglesReply struct {
|
|
Sequence uint16 // sequence number of the request for this reply
|
|
Length uint32 // number of bytes in this reply
|
|
Ordering byte
|
|
RectanglesLen uint32
|
|
// padding: 20 bytes
|
|
Rectangles []xproto.Rectangle // size: xgb.Pad((int(RectanglesLen) * 8))
|
|
}
|
|
|
|
// Reply blocks and returns the reply data for a GetRectangles request.
|
|
func (cook GetRectanglesCookie) Reply() (*GetRectanglesReply, error) {
|
|
buf, err := cook.Cookie.Reply()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if buf == nil {
|
|
return nil, nil
|
|
}
|
|
return getRectanglesReply(buf), nil
|
|
}
|
|
|
|
// getRectanglesReply reads a byte slice into a GetRectanglesReply value.
|
|
func getRectanglesReply(buf []byte) *GetRectanglesReply {
|
|
v := new(GetRectanglesReply)
|
|
b := 1 // skip reply determinant
|
|
|
|
v.Ordering = buf[b]
|
|
b += 1
|
|
|
|
v.Sequence = xgb.Get16(buf[b:])
|
|
b += 2
|
|
|
|
v.Length = xgb.Get32(buf[b:]) // 4-byte units
|
|
b += 4
|
|
|
|
v.RectanglesLen = xgb.Get32(buf[b:])
|
|
b += 4
|
|
|
|
b += 20 // padding
|
|
|
|
v.Rectangles = make([]xproto.Rectangle, v.RectanglesLen)
|
|
b += xproto.RectangleReadList(buf[b:], v.Rectangles)
|
|
|
|
return v
|
|
}
|
|
|
|
// Write request to wire for GetRectangles
|
|
// getRectanglesRequest writes a GetRectangles request to a byte slice.
|
|
func getRectanglesRequest(c *xgb.Conn, Window xproto.Window, SourceKind Kind) []byte {
|
|
size := 12
|
|
b := 0
|
|
buf := make([]byte, size)
|
|
|
|
buf[b] = c.Extensions["SHAPE"]
|
|
b += 1
|
|
|
|
buf[b] = 8 // 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(Window))
|
|
b += 4
|
|
|
|
buf[b] = byte(SourceKind)
|
|
b += 1
|
|
|
|
b += 3 // padding
|
|
|
|
return buf
|
|
}
|