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author | Andrew Gallant (Ocelot) <Andrew.Gallant@tufts.edu> | 2012-05-10 17:01:42 -0400 |
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committer | Andrew Gallant (Ocelot) <Andrew.Gallant@tufts.edu> | 2012-05-10 17:01:42 -0400 |
commit | 0c50dc6241fa21712e041cfa2bfb9db4ccaef10a (patch) | |
tree | 90a3200414c8ad6df8e7983a8e73fedfbe2b324e /nexgb/bigreq | |
parent | e239bb3c68a4981a3916534203c2fbd6b96f593c (diff) | |
download | haven-0c50dc6241fa21712e041cfa2bfb9db4ccaef10a.tar.gz haven-0c50dc6241fa21712e041cfa2bfb9db4ccaef10a.tar.xz haven-0c50dc6241fa21712e041cfa2bfb9db4ccaef10a.zip |
a huge commit. splitting extensions into their own sub-packages.
Diffstat (limited to 'nexgb/bigreq')
-rw-r--r-- | nexgb/bigreq/bigreq.go | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/nexgb/bigreq/bigreq.go b/nexgb/bigreq/bigreq.go new file mode 100644 index 0000000..8bb05c1 --- /dev/null +++ b/nexgb/bigreq/bigreq.go @@ -0,0 +1,140 @@ +package bigreq + +/* + This file was generated by bigreq.xml on May 10 2012 4:20:27pm 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 BIG-REQUESTS extension. +func Init(c *xgb.Conn) error { + reply, err := xproto.QueryExtension(c, 12, "BIG-REQUESTS").Reply() + switch { + case err != nil: + return err + case !reply.Present: + return xgb.Errorf("No extension named BIG-REQUESTS could be found on on the server.") + } + + xgb.ExtLock.Lock() + c.Extensions["BIG-REQUESTS"] = reply.MajorOpcode + for evNum, fun := range xgb.NewExtEventFuncs["BIG-REQUESTS"] { + xgb.NewEventFuncs[int(reply.FirstEvent)+evNum] = fun + } + for errNum, fun := range xgb.NewExtErrorFuncs["BIG-REQUESTS"] { + xgb.NewErrorFuncs[int(reply.FirstError)+errNum] = fun + } + xgb.ExtLock.Unlock() + + return nil +} + +func init() { + xgb.NewExtEventFuncs["BIG-REQUESTS"] = make(map[int]xgb.NewEventFun) + xgb.NewExtErrorFuncs["BIG-REQUESTS"] = make(map[int]xgb.NewErrorFun) +} + +// Skipping definition for base type 'Int8' + +// Skipping definition for base type 'Card16' + +// Skipping definition for base type 'Char' + +// Skipping definition for base type 'Card32' + +// Skipping definition for base type 'Double' + +// Skipping definition for base type 'Bool' + +// Skipping definition for base type 'Float' + +// Skipping definition for base type 'Card8' + +// Skipping definition for base type 'Int16' + +// Skipping definition for base type 'Int32' + +// Skipping definition for base type 'Void' + +// Skipping definition for base type 'Byte' + +// Request Enable +// size: 4 +type EnableCookie struct { + *xgb.Cookie +} + +func Enable(c *xgb.Conn) EnableCookie { + cookie := c.NewCookie(true, true) + c.NewRequest(enableRequest(c), cookie) + return EnableCookie{cookie} +} + +func EnableUnchecked(c *xgb.Conn) EnableCookie { + cookie := c.NewCookie(false, true) + c.NewRequest(enableRequest(c), cookie) + return EnableCookie{cookie} +} + +// Request reply for Enable +// size: 12 +type EnableReply struct { + Sequence uint16 + Length uint32 + // padding: 1 bytes + MaximumRequestLength uint32 +} + +// Waits and reads reply data from request Enable +func (cook EnableCookie) Reply() (*EnableReply, error) { + buf, err := cook.Cookie.Reply() + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + return enableReply(buf), nil +} + +// Read reply into structure from buffer for Enable +func enableReply(buf []byte) *EnableReply { + v := new(EnableReply) + 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.MaximumRequestLength = xgb.Get32(buf[b:]) + b += 4 + + return v +} + +// Write request to wire for Enable +func enableRequest(c *xgb.Conn) []byte { + size := 4 + b := 0 + buf := make([]byte, size) + + buf[b] = c.Extensions["BIG-REQUESTS"] + 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 + + return buf +} |