// Package res is the X client API for the X-Resource extension. package res /* This file was generated by res.xml on Aug 11 2013 8:39:43pm 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 X-Resource extension. func Init(c *xgb.Conn) error { reply, err := xproto.QueryExtension(c, 10, "X-Resource").Reply() switch { case err != nil: return err case !reply.Present: return xgb.Errorf("No extension named X-Resource could be found on on the server.") } xgb.ExtLock.Lock() c.Extensions["X-Resource"] = reply.MajorOpcode for evNum, fun := range xgb.NewExtEventFuncs["X-Resource"] { xgb.NewEventFuncs[int(reply.FirstEvent)+evNum] = fun } for errNum, fun := range xgb.NewExtErrorFuncs["X-Resource"] { xgb.NewErrorFuncs[int(reply.FirstError)+errNum] = fun } xgb.ExtLock.Unlock() return nil } func init() { xgb.NewExtEventFuncs["X-Resource"] = make(map[int]xgb.NewEventFun) xgb.NewExtErrorFuncs["X-Resource"] = make(map[int]xgb.NewErrorFun) } type Client struct { ResourceBase uint32 ResourceMask uint32 } // ClientRead reads a byte slice into a Client value. func ClientRead(buf []byte, v *Client) int { b := 0 v.ResourceBase = xgb.Get32(buf[b:]) b += 4 v.ResourceMask = xgb.Get32(buf[b:]) b += 4 return b } // ClientReadList reads a byte slice into a list of Client values. func ClientReadList(buf []byte, dest []Client) int { b := 0 for i := 0; i < len(dest); i++ { dest[i] = Client{} b += ClientRead(buf[b:], &dest[i]) } return xgb.Pad(b) } // Bytes writes a Client value to a byte slice. func (v Client) Bytes() []byte { buf := make([]byte, 8) b := 0 xgb.Put32(buf[b:], v.ResourceBase) b += 4 xgb.Put32(buf[b:], v.ResourceMask) b += 4 return buf } // ClientListBytes writes a list of Client values to a byte slice. func ClientListBytes(buf []byte, list []Client) int { b := 0 var structBytes []byte for _, item := range list { structBytes = item.Bytes() copy(buf[b:], structBytes) b += xgb.Pad(len(structBytes)) } return b } type Type struct { ResourceType xproto.Atom Count uint32 } // TypeRead reads a byte slice into a Type value. func TypeRead(buf []byte, v *Type) int { b := 0 v.ResourceType = xproto.Atom(xgb.Get32(buf[b:])) b += 4 v.Count = xgb.Get32(buf[b:]) b += 4 return b } // TypeReadList reads a byte slice into a list of Type values. func TypeReadList(buf []byte, dest []Type) int { b := 0 for i := 0; i < len(dest); i++ { dest[i] = Type{} b += TypeRead(buf[b:], &dest[i]) } return xgb.Pad(b) } // Bytes writes a Type value to a byte slice. func (v Type) Bytes() []byte { buf := make([]byte, 8) b := 0 xgb.Put32(buf[b:], uint32(v.ResourceType)) b += 4 xgb.Put32(buf[b:], v.Count) b += 4 return buf } // TypeListBytes writes a list of Type values to a byte slice. func TypeListBytes(buf []byte, list []Type) int { b := 0 var structBytes []byte for _, item := range list { structBytes = item.Bytes() copy(buf[b:], structBytes) b += xgb.Pad(len(structBytes)) } return b } // 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' // QueryClientPixmapBytesCookie is a cookie used only for QueryClientPixmapBytes requests. type QueryClientPixmapBytesCookie struct { *xgb.Cookie } // QueryClientPixmapBytes sends a checked request. // If an error occurs, it will be returned with the reply by calling QueryClientPixmapBytesCookie.Reply() func QueryClientPixmapBytes(c *xgb.Conn, Xid uint32) QueryClientPixmapBytesCookie { if _, ok := c.Extensions["X-RESOURCE"]; !ok { panic("Cannot issue request 'QueryClientPixmapBytes' using the uninitialized extension 'X-Resource'. res.Init(connObj) must be called first.") } cookie := c.NewCookie(true, true) c.NewRequest(queryClientPixmapBytesRequest(c, Xid), cookie) return QueryClientPixmapBytesCookie{cookie} } // QueryClientPixmapBytesUnchecked sends an unchecked request. // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. func QueryClientPixmapBytesUnchecked(c *xgb.Conn, Xid uint32) QueryClientPixmapBytesCookie { if _, ok := c.Extensions["X-RESOURCE"]; !ok { panic("Cannot issue request 'QueryClientPixmapBytes' using the uninitialized extension 'X-Resource'. res.Init(connObj) must be called first.") } cookie := c.NewCookie(false, true) c.NewRequest(queryClientPixmapBytesRequest(c, Xid), cookie) return QueryClientPixmapBytesCookie{cookie} } // QueryClientPixmapBytesReply represents the data returned from a QueryClientPixmapBytes request. type QueryClientPixmapBytesReply struct { Sequence uint16 // sequence number of the request for this reply Length uint32 // number of bytes in this reply // padding: 1 bytes Bytes uint32 BytesOverflow uint32 } // Reply blocks and returns the reply data for a QueryClientPixmapBytes request. func (cook QueryClientPixmapBytesCookie) Reply() (*QueryClientPixmapBytesReply, error) { buf, err := cook.Cookie.Reply() if err != nil { return nil, err } if buf == nil { return nil, nil } return queryClientPixmapBytesReply(buf), nil } // queryClientPixmapBytesReply reads a byte slice into a QueryClientPixmapBytesReply value. func queryClientPixmapBytesReply(buf []byte) *QueryClientPixmapBytesReply { v := new(QueryClientPixmapBytesReply) 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.Bytes = xgb.Get32(buf[b:]) b += 4 v.BytesOverflow = xgb.Get32(buf[b:]) b += 4 return v } // Write request to wire for QueryClientPixmapBytes // queryClientPixmapBytesRequest writes a QueryClientPixmapBytes request to a byte slice. func queryClientPixmapBytesRequest(c *xgb.Conn, Xid uint32) []byte { size := 8 b := 0 buf := make([]byte, size) buf[b] = c.Extensions["X-RESOURCE"] 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:], Xid) b += 4 return buf } // QueryClientResourcesCookie is a cookie used only for QueryClientResources requests. type QueryClientResourcesCookie struct { *xgb.Cookie } // QueryClientResources sends a checked request. // If an error occurs, it will be returned with the reply by calling QueryClientResourcesCookie.Reply() func QueryClientResources(c *xgb.Conn, Xid uint32) QueryClientResourcesCookie { if _, ok := c.Extensions["X-RESOURCE"]; !ok { panic("Cannot issue request 'QueryClientResources' using the uninitialized extension 'X-Resource'. res.Init(connObj) must be called first.") } cookie := c.NewCookie(true, true) c.NewRequest(queryClientResourcesRequest(c, Xid), cookie) return QueryClientResourcesCookie{cookie} } // QueryClientResourcesUnchecked sends an unchecked request. // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. func QueryClientResourcesUnchecked(c *xgb.Conn, Xid uint32) QueryClientResourcesCookie { if _, ok := c.Extensions["X-RESOURCE"]; !ok { panic("Cannot issue request 'QueryClientResources' using the uninitialized extension 'X-Resource'. res.Init(connObj) must be called first.") } cookie := c.NewCookie(false, true) c.NewRequest(queryClientResourcesRequest(c, Xid), cookie) return QueryClientResourcesCookie{cookie} } // QueryClientResourcesReply represents the data returned from a QueryClientResources request. type QueryClientResourcesReply struct { Sequence uint16 // sequence number of the request for this reply Length uint32 // number of bytes in this reply // padding: 1 bytes NumTypes uint32 // padding: 20 bytes Types []Type // size: xgb.Pad((int(NumTypes) * 8)) } // Reply blocks and returns the reply data for a QueryClientResources request. func (cook QueryClientResourcesCookie) Reply() (*QueryClientResourcesReply, error) { buf, err := cook.Cookie.Reply() if err != nil { return nil, err } if buf == nil { return nil, nil } return queryClientResourcesReply(buf), nil } // queryClientResourcesReply reads a byte slice into a QueryClientResourcesReply value. func queryClientResourcesReply(buf []byte) *QueryClientResourcesReply { v := new(QueryClientResourcesReply) 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.NumTypes = xgb.Get32(buf[b:]) b += 4 b += 20 // padding v.Types = make([]Type, v.NumTypes) b += TypeReadList(buf[b:], v.Types) return v } // Write request to wire for QueryClientResources // queryClientResourcesRequest writes a QueryClientResources request to a byte slice. func queryClientResourcesRequest(c *xgb.Conn, Xid uint32) []byte { size := 8 b := 0 buf := make([]byte, size) buf[b] = c.Extensions["X-RESOURCE"] 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:], Xid) b += 4 return buf } // QueryClientsCookie is a cookie used only for QueryClients requests. type QueryClientsCookie struct { *xgb.Cookie } // QueryClients sends a checked request. // If an error occurs, it will be returned with the reply by calling QueryClientsCookie.Reply() func QueryClients(c *xgb.Conn) QueryClientsCookie { if _, ok := c.Extensions["X-RESOURCE"]; !ok { panic("Cannot issue request 'QueryClients' using the uninitialized extension 'X-Resource'. res.Init(connObj) must be called first.") } cookie := c.NewCookie(true, true) c.NewRequest(queryClientsRequest(c), cookie) return QueryClientsCookie{cookie} } // QueryClientsUnchecked sends an unchecked request. // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. func QueryClientsUnchecked(c *xgb.Conn) QueryClientsCookie { if _, ok := c.Extensions["X-RESOURCE"]; !ok { panic("Cannot issue request 'QueryClients' using the uninitialized extension 'X-Resource'. res.Init(connObj) must be called first.") } cookie := c.NewCookie(false, true) c.NewRequest(queryClientsRequest(c), cookie) return QueryClientsCookie{cookie} } // QueryClientsReply represents the data returned from a QueryClients request. type QueryClientsReply struct { Sequence uint16 // sequence number of the request for this reply Length uint32 // number of bytes in this reply // padding: 1 bytes NumClients uint32 // padding: 20 bytes Clients []Client // size: xgb.Pad((int(NumClients) * 8)) } // Reply blocks and returns the reply data for a QueryClients request. func (cook QueryClientsCookie) Reply() (*QueryClientsReply, error) { buf, err := cook.Cookie.Reply() if err != nil { return nil, err } if buf == nil { return nil, nil } return queryClientsReply(buf), nil } // queryClientsReply reads a byte slice into a QueryClientsReply value. func queryClientsReply(buf []byte) *QueryClientsReply { v := new(QueryClientsReply) 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.NumClients = xgb.Get32(buf[b:]) b += 4 b += 20 // padding v.Clients = make([]Client, v.NumClients) b += ClientReadList(buf[b:], v.Clients) return v } // Write request to wire for QueryClients // queryClientsRequest writes a QueryClients request to a byte slice. func queryClientsRequest(c *xgb.Conn) []byte { size := 4 b := 0 buf := make([]byte, size) buf[b] = c.Extensions["X-RESOURCE"] 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 } // 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, ClientMajor byte, ClientMinor byte) QueryVersionCookie { if _, ok := c.Extensions["X-RESOURCE"]; !ok { panic("Cannot issue request 'QueryVersion' using the uninitialized extension 'X-Resource'. res.Init(connObj) must be called first.") } cookie := c.NewCookie(true, true) c.NewRequest(queryVersionRequest(c, ClientMajor, ClientMinor), 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, ClientMajor byte, ClientMinor byte) QueryVersionCookie { if _, ok := c.Extensions["X-RESOURCE"]; !ok { panic("Cannot issue request 'QueryVersion' using the uninitialized extension 'X-Resource'. res.Init(connObj) must be called first.") } cookie := c.NewCookie(false, true) c.NewRequest(queryVersionRequest(c, ClientMajor, ClientMinor), 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 ServerMajor uint16 ServerMinor uint16 } // 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.ServerMajor = xgb.Get16(buf[b:]) b += 2 v.ServerMinor = xgb.Get16(buf[b:]) b += 2 return v } // Write request to wire for QueryVersion // queryVersionRequest writes a QueryVersion request to a byte slice. func queryVersionRequest(c *xgb.Conn, ClientMajor byte, ClientMinor byte) []byte { size := 8 b := 0 buf := make([]byte, size) buf[b] = c.Extensions["X-RESOURCE"] 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 buf[b] = ClientMajor b += 1 buf[b] = ClientMinor b += 1 return buf }