func cutLines(c *xgb.Conn, w uint32, font xproto.Font, text string) []string {
wds := strings.Split(text, " ")
var words []_word = make([]_word, len(wds))
for i, word := range wds {
words[i].wd = word + " "
words[i].length = 0
ch2dstr, ln := prepString(words[i].wd)
words[i].cookie = xproto.QueryTextExtents(c, xproto.Fontable(font), ch2dstr, ln)
}
var lines []string = make([]string, 0, 10)
var line string = ""
var ln uint32 = 0
for i := 0; i < len(words); i++ {
rep, _ := words[i].cookie.Reply()
words[i].length = uint32(rep.OverallWidth)
ln += words[i].length
if ln >= w {
lines = append(lines, line)
line = ""
ln = words[i].length
}
line += words[i].wd
}
if ln != 0 {
lines = append(lines, line)
}
return lines
}
func loadGC(name string, c *xgb.Conn, scr *xproto.ScreenInfo) error {
var gc gcontext
/* Foreground GC */
id, err := xproto.NewGcontextId(c)
if err != nil {
return err
}
var mask uint32 = xproto.GcForeground | xproto.GcBackground |
xproto.GcLineWidth | xproto.GcFont
values := defaultGCValues(c)
{
cl, e := config.String(name + ".gc.fg")
if e == nil {
values[0], e = openColor(c, scr, readColor(cl))
if e != nil {
return e
}
}
cl, e = config.String(name + ".gc.bg")
if e == nil {
values[1], e = openColor(c, scr, readColor(cl))
if e != nil {
return e
}
}
wd, e := config.Int(name + ".gc.width")
if e == nil {
values[2] = uint32(wd)
}
cl, e = config.String(name + ".gc.font")
if e == nil {
fn, e := openFont(c, cl)
if e != nil {
return e
}
values[3] = uint32(fn)
}
}
err = xproto.CreateGCChecked(c, id, xproto.Drawable(scr.Root), mask, values).Check()
if err != nil {
return err
}
gc.fg = id
gc.font = xproto.Font(values[3])
gc.border = values[2]
/* Query the font height */
{
rep, e := xproto.QueryFont(c, xproto.Fontable(gc.font)).Reply()
if e != nil {
return e
}
gc.fontHeight = uint32(rep.FontAscent) + uint32(rep.FontDescent)
gc.fontUp = uint32(rep.FontAscent)
}
/* Background GC */
id, err = xproto.NewGcontextId(c)
if err != nil {
return err
}
mask = xproto.GcForeground | xproto.GcBackground | xproto.GcLineWidth
values[0], values[1] = values[1], values[0]
err = xproto.CreateGCChecked(c, id, xproto.Drawable(scr.Root), mask, values).Check()
if err != nil {
return err
}
gc.bg = id
/* Border GC */
id, err = xproto.NewGcontextId(c)
if err != nil {
return err
}
{
cl, e := config.String(name + ".gc.bc")
if e == nil {
values[0], e = openColor(c, scr, readColor(cl))
if e != nil {
return e
}
} else {
values[0] = defaultgc.bc
}
}
values[1] = values[0]
err = xproto.CreateGCChecked(c, id, xproto.Drawable(scr.Root), mask, values).Check()
if err != nil {
return err
}
gc.bc = id
/* Width */
{
wd, e := config.Int(name + ".width")
if e == nil {
gc.width = uint32(wd)
} else {
gc.width = defaultgc.width
}
}
ctxs[name] = &gc
return nil
}