func newHeads(X *xgb.Conn) heads {
var primaryHead *head
var primaryOutput randr.Output
root := xproto.Setup(X).DefaultScreen(X).Root
resources, err := randr.GetScreenResourcesCurrent(X, root).Reply()
if err != nil {
log.Fatalf("Could not get screen resources: %s.", err)
}
primaryOutputReply, _ := randr.GetOutputPrimary(X, root).Reply()
if primaryOutputReply != nil {
primaryOutput = primaryOutputReply.Output
}
hds := make([]head, 0, len(resources.Outputs))
off := make([]string, 0)
disconnected := make([]string, 0)
for i, output := range resources.Outputs {
oinfo, err := randr.GetOutputInfo(X, output, 0).Reply()
if err != nil {
log.Fatalf("Could not get output info for screen %d: %s.", i, err)
}
outputName := string(oinfo.Name)
if oinfo.Connection != randr.ConnectionConnected {
disconnected = append(disconnected, outputName)
continue
}
if oinfo.Crtc == 0 {
off = append(off, outputName)
continue
}
crtcinfo, err := randr.GetCrtcInfo(X, oinfo.Crtc, 0).Reply()
if err != nil {
log.Fatalf("Could not get crtc info for screen (%d, %s): %s.",
i, outputName, err)
}
head := newHead(output, outputName, crtcinfo)
if output == primaryOutput {
primaryHead = &head
}
hds = append(hds, head)
}
if primaryHead == nil && len(hds) > 0 {
tmp := hds[0]
primaryHead = &tmp
}
hdsPrim := heads{
primary: primaryHead,
heads: hds,
off: off,
disconnected: disconnected,
}
sort.Sort(hdsPrim)
return hdsPrim
}
func (ms Monitors) Update(e *Euclid, x XHandle, mergeOverlapping, removeUnplugged, removeDisabled bool) bool {
c := x.Conn()
sres, err := randr.GetScreenResources(c, x.Root()).Reply()
if err != nil {
return false
}
var r []*randr.GetOutputInfoReply
for _, o := range sres.Outputs {
rp, _ := randr.GetOutputInfo(c, o, xproto.TimeCurrentTime).Reply()
r = append(r, rp)
}
for _, m := range ms {
m.wired = false
}
for i, info := range r {
if info != nil {
if info.Crtc != 0 {
ir, _ := randr.GetCrtcInfo(c, info.Crtc, xproto.TimeCurrentTime).Reply()
if ir != nil {
rect := xproto.Rectangle{ir.X, ir.Y, ir.Width, ir.Height}
m := ms.fromId(sres.Outputs[i])
if m != nil {
m.rectangle = rect
m.UpdateRoot()
for _, d := range m.desktops {
for _, _ = range d.clients {
//mm.Translate(mm, n.Client)
}
}
//mm.Arrange()
m.wired = true
} else {
m := ms.Add(e, x, rect)
m.name = string(info.Name)
m.id = sres.Outputs[i]
}
}
} else if !removeDisabled && info.Connection != randr.ConnectionDisconnected {
m := ms.fromId(sres.Outputs[i])
if m != nil {
m.wired = true
}
}
}
}
gpo, _ := randr.GetOutputPrimary(c, x.Root()).Reply()
if gpo != nil {
primary := ms.fromId(gpo.Output)
if primary != nil {
primary.primary = true
if ms.Focused() != primary {
primary.focused = true
}
//ewmh_update_current_desktop();
}
}
if mergeOverlapping {
ms.mergeOverlapping()
}
if removeUnplugged {
ms.removeUnplugged()
}
//update_motion_recorder();
return ms.Number() > 0
}