diff options
Diffstat (limited to 'nexgb/res/res.go')
-rw-r--r-- | nexgb/res/res.go | 533 |
1 files changed, 533 insertions, 0 deletions
diff --git a/nexgb/res/res.go b/nexgb/res/res.go index 20da54a..43480ec 100644 --- a/nexgb/res/res.go +++ b/nexgb/res/res.go @@ -91,6 +91,342 @@ func ClientListBytes(buf []byte, list []Client) int { return xgb.Pad(b) } +const ( + ClientIdMaskClientXID = 1 + ClientIdMaskLocalClientPID = 2 +) + +type ClientIdSpec struct { + Client uint32 + Mask uint32 +} + +// ClientIdSpecRead reads a byte slice into a ClientIdSpec value. +func ClientIdSpecRead(buf []byte, v *ClientIdSpec) int { + b := 0 + + v.Client = xgb.Get32(buf[b:]) + b += 4 + + v.Mask = xgb.Get32(buf[b:]) + b += 4 + + return b +} + +// ClientIdSpecReadList reads a byte slice into a list of ClientIdSpec values. +func ClientIdSpecReadList(buf []byte, dest []ClientIdSpec) int { + b := 0 + for i := 0; i < len(dest); i++ { + dest[i] = ClientIdSpec{} + b += ClientIdSpecRead(buf[b:], &dest[i]) + } + return xgb.Pad(b) +} + +// Bytes writes a ClientIdSpec value to a byte slice. +func (v ClientIdSpec) Bytes() []byte { + buf := make([]byte, 8) + b := 0 + + xgb.Put32(buf[b:], v.Client) + b += 4 + + xgb.Put32(buf[b:], v.Mask) + b += 4 + + return buf +} + +// ClientIdSpecListBytes writes a list of ClientIdSpec values to a byte slice. +func ClientIdSpecListBytes(buf []byte, list []ClientIdSpec) int { + b := 0 + var structBytes []byte + for _, item := range list { + structBytes = item.Bytes() + copy(buf[b:], structBytes) + b += len(structBytes) + } + return xgb.Pad(b) +} + +type ClientIdValue struct { + Spec ClientIdSpec + Length uint32 + Value []uint32 // size: xgb.Pad((int(Length) * 4)) +} + +// ClientIdValueRead reads a byte slice into a ClientIdValue value. +func ClientIdValueRead(buf []byte, v *ClientIdValue) int { + b := 0 + + v.Spec = ClientIdSpec{} + b += ClientIdSpecRead(buf[b:], &v.Spec) + + v.Length = xgb.Get32(buf[b:]) + b += 4 + + v.Value = make([]uint32, v.Length) + for i := 0; i < int(v.Length); i++ { + v.Value[i] = xgb.Get32(buf[b:]) + b += 4 + } + b = xgb.Pad(b) + + return b +} + +// ClientIdValueReadList reads a byte slice into a list of ClientIdValue values. +func ClientIdValueReadList(buf []byte, dest []ClientIdValue) int { + b := 0 + for i := 0; i < len(dest); i++ { + dest[i] = ClientIdValue{} + b += ClientIdValueRead(buf[b:], &dest[i]) + } + return xgb.Pad(b) +} + +// Bytes writes a ClientIdValue value to a byte slice. +func (v ClientIdValue) Bytes() []byte { + buf := make([]byte, (12 + xgb.Pad((int(v.Length) * 4)))) + b := 0 + + { + structBytes := v.Spec.Bytes() + copy(buf[b:], structBytes) + b += xgb.Pad(len(structBytes)) + } + + xgb.Put32(buf[b:], v.Length) + b += 4 + + for i := 0; i < int(v.Length); i++ { + xgb.Put32(buf[b:], v.Value[i]) + b += 4 + } + b = xgb.Pad(b) + + return buf +} + +// ClientIdValueListBytes writes a list of ClientIdValue values to a byte slice. +func ClientIdValueListBytes(buf []byte, list []ClientIdValue) int { + b := 0 + var structBytes []byte + for _, item := range list { + structBytes = item.Bytes() + copy(buf[b:], structBytes) + b += len(structBytes) + } + return xgb.Pad(b) +} + +// ClientIdValueListSize computes the size (bytes) of a list of ClientIdValue values. +func ClientIdValueListSize(list []ClientIdValue) int { + size := 0 + for _, item := range list { + size += (12 + xgb.Pad((int(item.Length) * 4))) + } + return size +} + +type ResourceIdSpec struct { + Resource uint32 + Type uint32 +} + +// ResourceIdSpecRead reads a byte slice into a ResourceIdSpec value. +func ResourceIdSpecRead(buf []byte, v *ResourceIdSpec) int { + b := 0 + + v.Resource = xgb.Get32(buf[b:]) + b += 4 + + v.Type = xgb.Get32(buf[b:]) + b += 4 + + return b +} + +// ResourceIdSpecReadList reads a byte slice into a list of ResourceIdSpec values. +func ResourceIdSpecReadList(buf []byte, dest []ResourceIdSpec) int { + b := 0 + for i := 0; i < len(dest); i++ { + dest[i] = ResourceIdSpec{} + b += ResourceIdSpecRead(buf[b:], &dest[i]) + } + return xgb.Pad(b) +} + +// Bytes writes a ResourceIdSpec value to a byte slice. +func (v ResourceIdSpec) Bytes() []byte { + buf := make([]byte, 8) + b := 0 + + xgb.Put32(buf[b:], v.Resource) + b += 4 + + xgb.Put32(buf[b:], v.Type) + b += 4 + + return buf +} + +// ResourceIdSpecListBytes writes a list of ResourceIdSpec values to a byte slice. +func ResourceIdSpecListBytes(buf []byte, list []ResourceIdSpec) int { + b := 0 + var structBytes []byte + for _, item := range list { + structBytes = item.Bytes() + copy(buf[b:], structBytes) + b += len(structBytes) + } + return xgb.Pad(b) +} + +type ResourceSizeSpec struct { + Spec ResourceIdSpec + Bytes uint32 + RefCount uint32 + UseCount uint32 +} + +// ResourceSizeSpecRead reads a byte slice into a ResourceSizeSpec value. +func ResourceSizeSpecRead(buf []byte, v *ResourceSizeSpec) int { + b := 0 + + v.Spec = ResourceIdSpec{} + b += ResourceIdSpecRead(buf[b:], &v.Spec) + + v.Bytes = xgb.Get32(buf[b:]) + b += 4 + + v.RefCount = xgb.Get32(buf[b:]) + b += 4 + + v.UseCount = xgb.Get32(buf[b:]) + b += 4 + + return b +} + +// ResourceSizeSpecReadList reads a byte slice into a list of ResourceSizeSpec values. +func ResourceSizeSpecReadList(buf []byte, dest []ResourceSizeSpec) int { + b := 0 + for i := 0; i < len(dest); i++ { + dest[i] = ResourceSizeSpec{} + b += ResourceSizeSpecRead(buf[b:], &dest[i]) + } + return xgb.Pad(b) +} + +// Bytes writes a ResourceSizeSpec value to a byte slice. +func (v ResourceSizeSpec) Bytes() []byte { + buf := make([]byte, 20) + b := 0 + + { + structBytes := v.Spec.Bytes() + copy(buf[b:], structBytes) + b += xgb.Pad(len(structBytes)) + } + + xgb.Put32(buf[b:], v.Bytes) + b += 4 + + xgb.Put32(buf[b:], v.RefCount) + b += 4 + + xgb.Put32(buf[b:], v.UseCount) + b += 4 + + return buf +} + +// ResourceSizeSpecListBytes writes a list of ResourceSizeSpec values to a byte slice. +func ResourceSizeSpecListBytes(buf []byte, list []ResourceSizeSpec) int { + b := 0 + var structBytes []byte + for _, item := range list { + structBytes = item.Bytes() + copy(buf[b:], structBytes) + b += len(structBytes) + } + return xgb.Pad(b) +} + +type ResourceSizeValue struct { + Size ResourceSizeSpec + NumCrossReferences uint32 + CrossReferences []ResourceSizeSpec // size: xgb.Pad((int(NumCrossReferences) * 20)) +} + +// ResourceSizeValueRead reads a byte slice into a ResourceSizeValue value. +func ResourceSizeValueRead(buf []byte, v *ResourceSizeValue) int { + b := 0 + + v.Size = ResourceSizeSpec{} + b += ResourceSizeSpecRead(buf[b:], &v.Size) + + v.NumCrossReferences = xgb.Get32(buf[b:]) + b += 4 + + v.CrossReferences = make([]ResourceSizeSpec, v.NumCrossReferences) + b += ResourceSizeSpecReadList(buf[b:], v.CrossReferences) + + return b +} + +// ResourceSizeValueReadList reads a byte slice into a list of ResourceSizeValue values. +func ResourceSizeValueReadList(buf []byte, dest []ResourceSizeValue) int { + b := 0 + for i := 0; i < len(dest); i++ { + dest[i] = ResourceSizeValue{} + b += ResourceSizeValueRead(buf[b:], &dest[i]) + } + return xgb.Pad(b) +} + +// Bytes writes a ResourceSizeValue value to a byte slice. +func (v ResourceSizeValue) Bytes() []byte { + buf := make([]byte, (24 + xgb.Pad((int(v.NumCrossReferences) * 20)))) + b := 0 + + { + structBytes := v.Size.Bytes() + copy(buf[b:], structBytes) + b += xgb.Pad(len(structBytes)) + } + + xgb.Put32(buf[b:], v.NumCrossReferences) + b += 4 + + b += ResourceSizeSpecListBytes(buf[b:], v.CrossReferences) + + return buf +} + +// ResourceSizeValueListBytes writes a list of ResourceSizeValue values to a byte slice. +func ResourceSizeValueListBytes(buf []byte, list []ResourceSizeValue) int { + b := 0 + var structBytes []byte + for _, item := range list { + structBytes = item.Bytes() + copy(buf[b:], structBytes) + b += len(structBytes) + } + return xgb.Pad(b) +} + +// ResourceSizeValueListSize computes the size (bytes) of a list of ResourceSizeValue values. +func ResourceSizeValueListSize(list []ResourceSizeValue) int { + size := 0 + for _, item := range list { + size += (24 + xgb.Pad((int(item.NumCrossReferences) * 20))) + } + return size +} + type Type struct { ResourceType xproto.Atom Count uint32 @@ -169,6 +505,103 @@ func TypeListBytes(buf []byte, list []Type) int { // Skipping definition for base type 'Card32' +// QueryClientIdsCookie is a cookie used only for QueryClientIds requests. +type QueryClientIdsCookie struct { + *xgb.Cookie +} + +// QueryClientIds sends a checked request. +// If an error occurs, it will be returned with the reply by calling QueryClientIdsCookie.Reply() +func QueryClientIds(c *xgb.Conn, NumSpecs uint32, Specs []ClientIdSpec) QueryClientIdsCookie { + if _, ok := c.Extensions["X-RESOURCE"]; !ok { + panic("Cannot issue request 'QueryClientIds' using the uninitialized extension 'X-Resource'. res.Init(connObj) must be called first.") + } + cookie := c.NewCookie(true, true) + c.NewRequest(queryClientIdsRequest(c, NumSpecs, Specs), cookie) + return QueryClientIdsCookie{cookie} +} + +// QueryClientIdsUnchecked sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func QueryClientIdsUnchecked(c *xgb.Conn, NumSpecs uint32, Specs []ClientIdSpec) QueryClientIdsCookie { + if _, ok := c.Extensions["X-RESOURCE"]; !ok { + panic("Cannot issue request 'QueryClientIds' using the uninitialized extension 'X-Resource'. res.Init(connObj) must be called first.") + } + cookie := c.NewCookie(false, true) + c.NewRequest(queryClientIdsRequest(c, NumSpecs, Specs), cookie) + return QueryClientIdsCookie{cookie} +} + +// QueryClientIdsReply represents the data returned from a QueryClientIds request. +type QueryClientIdsReply struct { + Sequence uint16 // sequence number of the request for this reply + Length uint32 // number of bytes in this reply + // padding: 1 bytes + NumIds uint32 + // padding: 20 bytes + Ids []ClientIdValue // size: ClientIdValueListSize(Ids) +} + +// Reply blocks and returns the reply data for a QueryClientIds request. +func (cook QueryClientIdsCookie) Reply() (*QueryClientIdsReply, error) { + buf, err := cook.Cookie.Reply() + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + return queryClientIdsReply(buf), nil +} + +// queryClientIdsReply reads a byte slice into a QueryClientIdsReply value. +func queryClientIdsReply(buf []byte) *QueryClientIdsReply { + v := new(QueryClientIdsReply) + 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.NumIds = xgb.Get32(buf[b:]) + b += 4 + + b += 20 // padding + + v.Ids = make([]ClientIdValue, v.NumIds) + b += ClientIdValueReadList(buf[b:], v.Ids) + + return v +} + +// Write request to wire for QueryClientIds +// queryClientIdsRequest writes a QueryClientIds request to a byte slice. +func queryClientIdsRequest(c *xgb.Conn, NumSpecs uint32, Specs []ClientIdSpec) []byte { + size := xgb.Pad((8 + xgb.Pad((int(NumSpecs) * 8)))) + b := 0 + buf := make([]byte, size) + + buf[b] = c.Extensions["X-RESOURCE"] + 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:], NumSpecs) + b += 4 + + b += ClientIdSpecListBytes(buf[b:], Specs) + + return buf +} + // QueryClientPixmapBytesCookie is a cookie used only for QueryClientPixmapBytes requests. type QueryClientPixmapBytesCookie struct { *xgb.Cookie @@ -448,6 +881,106 @@ func queryClientsRequest(c *xgb.Conn) []byte { return buf } +// QueryResourceBytesCookie is a cookie used only for QueryResourceBytes requests. +type QueryResourceBytesCookie struct { + *xgb.Cookie +} + +// QueryResourceBytes sends a checked request. +// If an error occurs, it will be returned with the reply by calling QueryResourceBytesCookie.Reply() +func QueryResourceBytes(c *xgb.Conn, Client uint32, NumSpecs uint32, Specs []ResourceIdSpec) QueryResourceBytesCookie { + if _, ok := c.Extensions["X-RESOURCE"]; !ok { + panic("Cannot issue request 'QueryResourceBytes' using the uninitialized extension 'X-Resource'. res.Init(connObj) must be called first.") + } + cookie := c.NewCookie(true, true) + c.NewRequest(queryResourceBytesRequest(c, Client, NumSpecs, Specs), cookie) + return QueryResourceBytesCookie{cookie} +} + +// QueryResourceBytesUnchecked sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func QueryResourceBytesUnchecked(c *xgb.Conn, Client uint32, NumSpecs uint32, Specs []ResourceIdSpec) QueryResourceBytesCookie { + if _, ok := c.Extensions["X-RESOURCE"]; !ok { + panic("Cannot issue request 'QueryResourceBytes' using the uninitialized extension 'X-Resource'. res.Init(connObj) must be called first.") + } + cookie := c.NewCookie(false, true) + c.NewRequest(queryResourceBytesRequest(c, Client, NumSpecs, Specs), cookie) + return QueryResourceBytesCookie{cookie} +} + +// QueryResourceBytesReply represents the data returned from a QueryResourceBytes request. +type QueryResourceBytesReply struct { + Sequence uint16 // sequence number of the request for this reply + Length uint32 // number of bytes in this reply + // padding: 1 bytes + NumSizes uint32 + // padding: 20 bytes + Sizes []ResourceSizeValue // size: ResourceSizeValueListSize(Sizes) +} + +// Reply blocks and returns the reply data for a QueryResourceBytes request. +func (cook QueryResourceBytesCookie) Reply() (*QueryResourceBytesReply, error) { + buf, err := cook.Cookie.Reply() + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + return queryResourceBytesReply(buf), nil +} + +// queryResourceBytesReply reads a byte slice into a QueryResourceBytesReply value. +func queryResourceBytesReply(buf []byte) *QueryResourceBytesReply { + v := new(QueryResourceBytesReply) + 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.NumSizes = xgb.Get32(buf[b:]) + b += 4 + + b += 20 // padding + + v.Sizes = make([]ResourceSizeValue, v.NumSizes) + b += ResourceSizeValueReadList(buf[b:], v.Sizes) + + return v +} + +// Write request to wire for QueryResourceBytes +// queryResourceBytesRequest writes a QueryResourceBytes request to a byte slice. +func queryResourceBytesRequest(c *xgb.Conn, Client uint32, NumSpecs uint32, Specs []ResourceIdSpec) []byte { + size := xgb.Pad((12 + xgb.Pad((int(NumSpecs) * 8)))) + b := 0 + buf := make([]byte, size) + + buf[b] = c.Extensions["X-RESOURCE"] + 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:], Client) + b += 4 + + xgb.Put32(buf[b:], NumSpecs) + b += 4 + + b += ResourceIdSpecListBytes(buf[b:], Specs) + + return buf +} + // QueryVersionCookie is a cookie used only for QueryVersion requests. type QueryVersionCookie struct { *xgb.Cookie |