sync.go (863B)
1 package xgb 2 3 // Sync sends a round trip request and waits for the response. 4 // This forces all pending cookies to be dealt with. 5 // You actually shouldn't need to use this like you might with Xlib. Namely, 6 // buffers are automatically flushed using Go's channels and round trip requests 7 // are forced where appropriate automatically. 8 func (c *Conn) Sync() { 9 cookie := c.NewCookie(true, true) 10 c.NewRequest(c.getInputFocusRequest(), cookie) 11 cookie.Reply() // wait for the buffer to clear 12 } 13 14 // getInputFocusRequest writes the raw bytes to a buffer. 15 // It is duplicated from xproto/xproto.go. 16 func (c *Conn) getInputFocusRequest() []byte { 17 size := 4 18 b := 0 19 buf := make([]byte, size) 20 21 buf[b] = 43 // request opcode 22 b += 1 23 24 b += 1 // padding 25 Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units 26 b += 2 27 28 return buf 29 }