func Open() (*Fifo, error) {
var pipe Fifo
pipe.path = defaultPath
if config.Has("global.fifo") {
pipe.path, _ = config.String("config.fifo")
}
if _, err := os.Stat(pipe.path); err == nil {
err = os.Remove(pipe.path)
if err != nil {
return nil, err
}
}
if err := syscall.Mkfifo(pipe.path, 0777); err != nil {
return nil, err
}
fd, err := syscall.Open(pipe.path, syscall.O_RDONLY|syscall.O_NONBLOCK, 0777)
if err != nil {
return nil, err
}
pipe.fd = fdReader(fd)
pipe.rd = bufio.NewReader(pipe.fd)
pipe.cmds = make([]Command, 0, 5)
return &pipe, nil
}
func loadGCS(c *xgb.Conn, scr *xproto.ScreenInfo) error {
if !config.Has("global.list") {
return InvalidConfig("no global.list")
}
err := loadDefaultGC(c, scr)
if err != nil {
return err
}
list, _ := config.String("global.list")
entries := strings.Split(list, ",")
for _, entry := range entries {
err = loadGC(entry, c, scr)
if err != nil {
/* TODO Clean previously loaded gcs */
return err
}
}
return nil
}
func loadDefaultGC(c *xgb.Conn, scr *xproto.ScreenInfo) error {
var font string
if config.Has("global.gc.font") {
font, _ = config.String("global.gc.font")
} else {
font = defaultFont
}
fnt, err := openFont(c, font)
if err != nil {
return err
}
defaultgc.font = uint32(fnt)
if config.Has("global.width") {
wd, _ := config.Int("global.width")
defaultgc.width = uint32(wd)
} else {
defaultgc.width = 500
}
if config.Has("global.gc.width") {
wd, _ := config.Int("global.gc.width")
defaultgc.border = uint32(wd)
} else {
defaultgc.border = 5
}
var cl color
if config.Has("global.gc.fg") {
str, _ := config.String("global.gc.fg")
cl = readColor(str)
} else {
cl = color{255, 255, 255}
}
defaultgc.fg, err = openColor(c, scr, cl)
if err != nil {
return err
}
if config.Has("global.gc.bg") {
str, _ := config.String("global.gc.bg")
cl = readColor(str)
} else {
cl = color{0, 0, 0}
}
defaultgc.bg, err = openColor(c, scr, cl)
if err != nil {
return err
}
if config.Has("global.gc.bc") {
str, _ := config.String("global.gc.bc")
cl = readColor(str)
} else {
cl = color{255, 255, 255}
}
defaultgc.bc, err = openColor(c, scr, cl)
if err != nil {
return err
}
return nil
}