func (v *View) yank() {
buf := *v.ctx.killBuffer
cursor := v.cursor
if len(buf) == 0 {
return
}
cbuf := utils.CloneByteSlice(buf)
v.buf.Insert(cursor, cbuf)
for len(buf) > 0 {
_, rlen := utf8.DecodeRune(buf)
buf = buf[rlen:]
cursor.NextRune(true)
}
v.MoveCursorTo(cursor)
}
// InsertRune inserts 'r' at the cursor position 'c'
func (b *Buffer) InsertRune(c Cursor, r rune) {
if r == '\n' || r == '\r' {
b.Insert(c, []byte{'\n'})
prev := c.Line
c.Line = c.Line.Next
c.LineNum++
c.Boffset = 0
if r == '\n' {
i := utils.IndexFirstNonSpace(prev.Data)
if i > 0 {
autoindent := utils.CloneByteSlice(prev.Data[:i])
b.Insert(c, autoindent)
c.Boffset += len(autoindent)
}
}
} else {
var data [utf8.UTFMax]byte
nBytes := utf8.EncodeRune(data[:], r)
b.Insert(c, data[:nBytes])
c.Boffset += nBytes
}
}