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-rw-r--r--nexgb/bigreq/bigreq.go152
1 files changed, 152 insertions, 0 deletions
diff --git a/nexgb/bigreq/bigreq.go b/nexgb/bigreq/bigreq.go
new file mode 100644
index 0000000..6590376
--- /dev/null
+++ b/nexgb/bigreq/bigreq.go
@@ -0,0 +1,152 @@
+// Package bigreq is the X client API for the BIG-REQUESTS extension.
+package bigreq
+
+// This file is automatically generated from bigreq.xml. 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.")
+ }
+
+ c.ExtLock.Lock()
+ c.Extensions["BIG-REQUESTS"] = reply.MajorOpcode
+ c.ExtLock.Unlock()
+ 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
+ }
+ 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 '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'
+
+// EnableCookie is a cookie used only for Enable requests.
+type EnableCookie struct {
+ *xgb.Cookie
+}
+
+// Enable sends a checked request.
+// If an error occurs, it will be returned with the reply by calling EnableCookie.Reply()
+func Enable(c *xgb.Conn) EnableCookie {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
+ if _, ok := c.Extensions["BIG-REQUESTS"]; !ok {
+ panic("Cannot issue request 'Enable' using the uninitialized extension 'BIG-REQUESTS'. bigreq.Init(connObj) must be called first.")
+ }
+ cookie := c.NewCookie(true, true)
+ c.NewRequest(enableRequest(c), cookie)
+ return EnableCookie{cookie}
+}
+
+// EnableUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
+func EnableUnchecked(c *xgb.Conn) EnableCookie {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
+ if _, ok := c.Extensions["BIG-REQUESTS"]; !ok {
+ panic("Cannot issue request 'Enable' using the uninitialized extension 'BIG-REQUESTS'. bigreq.Init(connObj) must be called first.")
+ }
+ cookie := c.NewCookie(false, true)
+ c.NewRequest(enableRequest(c), cookie)
+ return EnableCookie{cookie}
+}
+
+// EnableReply represents the data returned from a Enable request.
+type EnableReply struct {
+ Sequence uint16 // sequence number of the request for this reply
+ Length uint32 // number of bytes in this reply
+ // padding: 1 bytes
+ MaximumRequestLength uint32
+}
+
+// Reply blocks and returns the reply data for a Enable request.
+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
+}
+
+// enableReply reads a byte slice into a EnableReply value.
+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
+// enableRequest writes a Enable request to a byte slice.
+func enableRequest(c *xgb.Conn) []byte {
+ size := 4
+ b := 0
+ buf := make([]byte, size)
+
+ c.ExtLock.RLock()
+ buf[b] = c.Extensions["BIG-REQUESTS"]
+ 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
+
+ return buf
+}