func main() {
X, err := xgb.NewConn()
if err != nil {
log.Fatal(err)
}
// Get the window id of the root window.
setup := xproto.Setup(X)
root := setup.DefaultScreen(X).Root
// Get the atom id (i.e., intern an atom) of "_NET_ACTIVE_WINDOW".
aname := "_NET_ACTIVE_WINDOW"
activeAtom, err := xproto.InternAtom(X, true, uint16(len(aname)),
aname).Reply()
if err != nil {
log.Fatal(err)
}
// Get the atom id (i.e., intern an atom) of "_NET_WM_NAME".
aname = "_NET_WM_NAME"
nameAtom, err := xproto.InternAtom(X, true, uint16(len(aname)),
aname).Reply()
if err != nil {
log.Fatal(err)
}
// Get the actual value of _NET_ACTIVE_WINDOW.
// Note that 'reply.Value' is just a slice of bytes, so we use an
// XGB helper function, 'Get32', to pull an unsigned 32-bit integer out
// of the byte slice. We then convert it to an X resource id so it can
// be used to get the name of the window in the next GetProperty request.
reply, err := xproto.GetProperty(X, false, root, activeAtom.Atom,
xproto.GetPropertyTypeAny, 0, (1<<32)-1).Reply()
if err != nil {
log.Fatal(err)
}
windowId := xproto.Window(xgb.Get32(reply.Value))
fmt.Printf("Active window id: %X\n", windowId)
// Now get the value of _NET_WM_NAME for the active window.
// Note that this time, we simply convert the resulting byte slice,
// reply.Value, to a string.
reply, err = xproto.GetProperty(X, false, windowId, nameAtom.Atom,
xproto.GetPropertyTypeAny, 0, (1<<32)-1).Reply()
if err != nil {
log.Fatal(err)
}
fmt.Printf("Active window name: %s\n", string(reply.Value))
}
// Replace existing window manager
func usurpWM(X *xgb.Conn, screen *xproto.ScreenInfo) {
wmName := fmt.Sprintf("WM_S%d", X.DefaultScreen)
managerAtom, err := xproto.InternAtom(X, true, uint16(len(wmName)), wmName).Reply()
if err != nil {
log.Fatal(err)
}
fakeWindow, _ := xproto.NewWindowId(X)
xproto.CreateWindow(X, // Connection
screen.RootDepth, // Depth
fakeWindow, // Window Id
screen.Root, // Parent Window
-1000, -1000, // x, y
1, 1, // width, height
0, // border_width
xproto.WindowClassInputOutput, // class
screen.RootVisual, // visual
xproto.CwEventMask|xproto.CwOverrideRedirect,
[]uint32{1, xproto.EventMaskPropertyChange}) // masks
xproto.MapWindow(X, fakeWindow)
err = xproto.SetSelectionOwnerChecked(X, fakeWindow, managerAtom.Atom, xproto.TimeCurrentTime).Check()
if err != nil {
log.Fatal(err)
}
}
func (s *screenImpl) internAtom(name string) (xproto.Atom, error) {
r, err := xproto.InternAtom(s.xc, false, uint16(len(name)), name).Reply()
if err != nil {
return 0, fmt.Errorf("x11driver: xproto.InternAtom failed: %v", err)
}
if r == nil {
return 0, fmt.Errorf("x11driver: xproto.InternAtom failed")
}
return r.Atom, nil
}
func internAtom(name string) xp.Atom {
r, err := xp.InternAtom(xConn, false, uint16(len(name)), name).Reply()
if err != nil {
log.Fatal(err)
}
if r == nil {
return 0
}
return r.Atom
}
func (logger *WindowLogger) getCurWindowTitle() (name string, err error) {
// Get the window id of the root window.
setup := xproto.Setup(logger.X11Connection)
root := setup.DefaultScreen(logger.X11Connection).Root
// Get the atom id (i.e., intern an atom) of "_NET_ACTIVE_WINDOW".
aname := "_NET_ACTIVE_WINDOW"
activeAtom, err := xproto.InternAtom(logger.X11Connection, true, uint16(len(aname)),
aname).Reply()
if err != nil {
return "", err
}
// Get the atom id (i.e., intern an atom) of "_NET_WM_NAME".
aname = "_NET_WM_NAME"
nameAtom, err := xproto.InternAtom(logger.X11Connection, true, uint16(len(aname)),
aname).Reply()
if err != nil {
return "", err
}
// Get the actual value of _NET_ACTIVE_WINDOW.
// Note that 'reply.Value' is just a slice of bytes, so we use an
// XGB helper function, 'Get32', to pull an unsigned 32-bit integer out
// of the byte slice. We then convert it to an X resource id so it can
// be used to get the name of the window in the next GetProperty request.
reply, err := xproto.GetProperty(logger.X11Connection, false, root, activeAtom.Atom,
xproto.GetPropertyTypeAny, 0, (1<<32)-1).Reply()
if err != nil {
return "", err
}
windowId := xproto.Window(xgb.Get32(reply.Value))
// Now get the value of _NET_WM_NAME for the active window.
// Note that this time, we simply convert the resulting byte slice,
// reply.Value, to a string.
reply, err = xproto.GetProperty(logger.X11Connection, false, windowId, nameAtom.Atom,
xproto.GetPropertyTypeAny, 0, (1<<32)-1).Reply()
if err != nil {
return "", err
}
return string(reply.Value), nil
}
func (a *atomic) atom(name string, onlyIfExists bool) (xproto.Atom, error) {
if aid, ok := a.atomGet(name); ok {
return aid, nil
}
reply, err := xproto.InternAtom(a.c, onlyIfExists, uint16(len(name)), name).Reply()
if err != nil {
return 0, AtomInternError(name, err)
}
a.cacheAtom(name, reply.Atom)
return reply.Atom, nil
}
func main() {
X, err := xgb.NewConn()
if err != nil {
log.Fatal(err)
}
names := seqNames(flagRequests)
fcpu, err := os.Create(flagCpuProfName)
if err != nil {
log.Fatal(err)
}
defer fcpu.Close()
pprof.StartCPUProfile(fcpu)
defer pprof.StopCPUProfile()
start := time.Now()
cookies := make([]xproto.InternAtomCookie, flagRequests)
for i := 0; i < flagRequests; i++ {
cookies[i] = xproto.InternAtom(X,
false, uint16(len(names[i])), names[i])
}
for _, cookie := range cookies {
cookie.Reply()
}
fmt.Printf("Exec time: %s\n\n", time.Since(start))
fmem, err := os.Create(flagMemProfName)
if err != nil {
log.Fatal(err)
}
defer fmem.Close()
pprof.WriteHeapProfile(fmem)
memStats := &runtime.MemStats{}
runtime.ReadMemStats(memStats)
// This isn't right. I'm not sure what's wrong.
lastGcTime := time.Unix(int64(memStats.LastGC/1000000000),
int64(memStats.LastGC-memStats.LastGC/1000000000))
fmt.Printf("Alloc: %d\n", memStats.Alloc)
fmt.Printf("TotalAlloc: %d\n", memStats.TotalAlloc)
fmt.Printf("LastGC: %s\n", lastGcTime)
fmt.Printf("PauseTotalNs: %d\n", memStats.PauseTotalNs)
fmt.Printf("PauseNs: %d\n", memStats.PauseNs)
fmt.Printf("NumGC: %d\n", memStats.NumGC)
}
// Atom interns an atom and panics if there is any error.
func Atom(xu *xgbutil.XUtil, name string,
onlyIfExists bool) (xproto.Atom, error) {
// Check the cache first
if aid, ok := atomGet(xu, name); ok {
return aid, nil
}
reply, err := xproto.InternAtom(xu.Conn(), onlyIfExists,
uint16(len(name)), name).Reply()
if err != nil {
return 0, fmt.Errorf("Atom: Error interning atom '%s': %s", name, err)
}
// If we're here, it means we didn't have this atom cached. So cache it!
cacheAtom(xu, name, reply.Atom)
return reply.Atom, nil
}
func newBrightness(Xu *xgbutil.XUtil) (*brightness, error) {
const atomName = "Backlight"
atomReply, err := xproto.InternAtom(Xu.Conn(), true, uint16(len(atomName)), atomName).Reply()
if err != nil {
return nil, fmt.Errorf("no backlight: %v", err)
}
b := &brightness{
prop: atomReply.Atom,
}
if err := bind(Xu,
binding{"XF86MonBrightnessUp", b.up},
binding{"XF86MonBrightnessDown", b.down},
); err != nil {
return nil, err
}
return b, nil
}
func main() {
var serve *bool = flag.Bool("serve", false, "Listen for connections")
flag.Usage = usage
flag.Parse()
if remote := os.Getenv("SSH_CONNECTION"); remote == "" && len(flag.Args()) != 0 {
invoked_as := os.Args[0]
actual_binary, err := os.Readlink("/proc/self/exe")
if err != nil {
log.Panic("/proc/self/exe doesn't exist!")
}
log.Print("Invoked as: '", invoked_as, "' (actual=", actual_binary, ")")
log.Panic("Not yet implemented: Would have run locally")
return
}
c, err := xgb.NewConn()
if err != nil {
log.Panic("cannot connect: %v\n", err)
}
s := xproto.Setup(c).DefaultScreen(c)
rl_execute_reply, err := xproto.InternAtom(c, false, uint16(len(atomname)), atomname).Reply()
if err != nil {
panic(err)
}
rl_execute_atom := rl_execute_reply.Atom
if *serve {
//log.Printf("c = %v, s = %v, a = %v", c, s, rl_execute_atom)
start_server(c, s, rl_execute_atom)
} else {
if len(flag.Args()) == 0 {
usage()
}
connect(c, s, rl_execute_atom, fixup_args(flag.Args()))
}
}
// Listen ...
func Listen(fn func(e Event)) error {
X, err := xgb.NewConn()
if err != nil {
log.Fatal(err)
}
setup := xproto.Setup(X)
root := setup.DefaultScreen(X).Root
var prevWindowID xproto.Window
var prevClasses []string
for {
<-time.After(msRefresh * time.Millisecond)
// From one of the xgb examples.
aname := "_NET_ACTIVE_WINDOW"
activeAtom, err := xproto.InternAtom(X, true, uint16(len(aname)),
aname).Reply()
if err != nil {
log.Println(err)
continue
}
reply, err := xproto.GetProperty(X, false, root, activeAtom.Atom,
xproto.GetPropertyTypeAny, 0, (1<<32)-1).Reply()
if err != nil {
log.Println(err)
continue
}
windowID := xproto.Window(xgb.Get32(reply.Value))
aname = "WM_CLASS"
nameAtom, err := xproto.InternAtom(X, true, uint16(len(aname)),
aname).Reply()
if err != nil {
log.Println(err)
continue
}
reply, err = xproto.GetProperty(X, false, windowID, nameAtom.Atom,
xproto.GetPropertyTypeAny, 0, (1<<32)-1).Reply()
if err != nil {
log.Println(err)
continue
}
classes := stringSlice(reply.Value)
// Check if active window has changed since last time.
if windowID != prevWindowID {
fn(Lost{
WMClass: prevClasses,
})
fn(Gained{
WMClass: classes,
})
prevWindowID = windowID
prevClasses = classes
}
}
}
func main() {
// Open the connection to the X server
X, err := xgb.NewConn()
if err != nil {
log.Fatal(err)
}
defer X.Close()
setup := xproto.Setup(X)
// Get the first screen
screen := setup.DefaultScreen(X)
// Replace existing window manager
wmName := fmt.Sprintf("WM_S%d", X.DefaultScreen)
managerAtom, err := xproto.InternAtom(X, true, uint16(len(wmName)), wmName).Reply()
if err != nil {
log.Fatal(err)
}
fakeWindow, _ := xproto.NewWindowId(X)
xproto.CreateWindow(X, // Connection
screen.RootDepth, // Depth
fakeWindow, // Window Id
screen.Root, // Parent Window
-1000, -1000, // x, y
1, 1, // width, height
0, // border_width
xproto.WindowClassInputOutput, // class
screen.RootVisual, // visual
xproto.CwEventMask|xproto.CwOverrideRedirect,
[]uint32{1, xproto.EventMaskPropertyChange}) // masks
xproto.MapWindow(X, fakeWindow)
err = xproto.SetSelectionOwnerChecked(X, fakeWindow, managerAtom.Atom, xproto.TimeCurrentTime).Check()
if err != nil {
fmt.Println("foo")
log.Fatal(err)
}
arcs := []xproto.Arc{
{10, 100, 60, 40, 0, 90 << 6},
{90, 100, 55, 40, 0, 270 << 6}}
// Create black (foreground) graphic context
foreground, _ := xproto.NewGcontextId(X)
mask := uint32(xproto.GcForeground | xproto.GcGraphicsExposures)
values := []uint32{screen.BlackPixel, 0}
xproto.CreateGC(X, foreground, xproto.Drawable(screen.Root), mask, values)
// Ask for our window's Id
win, _ := xproto.NewWindowId(X)
winDrawable := xproto.Drawable(win)
// Create the window
mask = uint32(xproto.CwBackPixel | xproto.CwEventMask)
values = []uint32{screen.WhitePixel, xproto.EventMaskExposure}
xproto.CreateWindow(X, // Connection
screen.RootDepth, // Depth
win, // Window Id
screen.Root, // Parent Window
0, 0, // x, y
150, 150, // width, height
10, // border_width
xproto.WindowClassInputOutput, // class
screen.RootVisual, // visual
mask, values) // masks
// Map the window on the screen
xproto.MapWindow(X, win)
// Obey the window-delete protocol
tp := "WM_PROTOCOLS"
prp := "WM_DELETE_WINDOW"
typeAtom, _ := xproto.InternAtom(X, true, uint16(len(tp)), tp).Reply()
propertyAtom, _ := xproto.InternAtom(X, true, uint16(len(prp)), prp).Reply()
data := make([]byte, 4)
xgb.Put32(data, uint32(propertyAtom.Atom))
xproto.ChangeProperty(X, xproto.PropModeReplace, win, typeAtom.Atom, xproto.AtomAtom, 32, 1, data)
// Main loop
for {
evt, err := X.WaitForEvent()
fmt.Printf("An event of type %T occured.\n", evt)
if evt == nil && err == nil {
fmt.Println("Exiting....")
return
} else if err != nil {
log.Fatal(err)
}
switch event := evt.(type) {
case xproto.ExposeEvent:
/* We draw the arcs */
xproto.PolyArc(X, winDrawable, foreground, arcs)
case xproto.ClientMessageEvent:
if len(event.Data.Data32) > 0 {
data := xproto.Atom(event.Data.Data32[0])
if data == propertyAtom.Atom {
return
} else {
atomName, _ := xproto.GetAtomName(X, data).Reply()
fmt.Println(atomName.Name)
}
} else {
atomName, _ := xproto.GetAtomName(X, event.Type).Reply()
fmt.Println(atomName.Name)
}
default:
/* Unknown event type, ignore it */
}
}
return
}
func main() {
sleepy := time.Millisecond
X, _ := xgbutil.NewConn()
conn := X.Conn()
aDesktop := "_NET_WM_DESKTOP"
aActive := "_NET_ACTIVE_WINDOW"
xwindow.Listen(X, X.RootWin(), xproto.EventMaskPropertyChange)
xevent.PropertyNotifyFun(
func(X *xgbutil.XUtil, ev xevent.PropertyNotifyEvent) {
for i := 0; i < 1; i++ {
log.Println("PROPERTY CHANGE")
}
}).Connect(X, X.RootWin())
go func() {
for {
reply, err := xproto.InternAtom(conn, true, uint16(len(aDesktop)),
aDesktop).Reply()
if err != nil {
log.Fatal(err)
}
log.Println("A1-299", reply.Sequence, reply.Atom)
time.Sleep(sleepy)
}
}()
go func() {
for {
reply, err := xproto.InternAtom(conn, true, uint16(len(aActive)),
aActive).Reply()
if err != nil {
log.Fatal(err)
}
log.Println("A2-294", reply.Sequence, reply.Atom)
time.Sleep(sleepy)
}
}()
go func() {
for {
reply, err := xproto.GetGeometry(conn, 0x1).Reply()
if err != nil {
log.Println("0x1:", err)
} else {
log.Println("0x1:", reply)
}
time.Sleep(sleepy)
}
}()
go func() {
for {
reply, err := xproto.GetGeometry(conn, 0x2).Reply()
if err != nil {
log.Println("0x2:", err)
} else {
log.Println("0x2:", reply)
}
time.Sleep(sleepy)
}
}()
go xevent.Main(X)
select {}
}
func xwmInit(fd uintptr) {
X := fromFd(fd)
defer X.Conn().Close()
root := xwindow.New(X, X.RootWin())
if _, err := root.Geometry(); err != nil {
panic(err)
}
// if names, _ := ewmh.DesktopNamesGet(X); len(names) > 0 {
// println(names)
// }
composite.Init(X.Conn())
atomNames := []string{
"WL_SURFACE_ID",
"WM_DELETE_WINDOW",
"WM_PROTOCOLS",
"WM_S0",
"WM_NORMAL_HINTS",
"WM_TAKE_FOCUS",
"WM_STATE",
"WM_CLIENT_MACHINE",
"_NET_WM_CM_S0",
"_NET_WM_NAME",
"_NET_WM_PID",
"_NET_WM_ICON",
"_NET_WM_STATE",
"_NET_WM_STATE_FULLSCREEN",
"_NET_WM_USER_TIME",
"_NET_WM_ICON_NAME",
"_NET_WM_WINDOW_TYPE",
"_NET_WM_WINDOW_TYPE_DESKTOP",
"_NET_WM_WINDOW_TYPE_DOCK",
"_NET_WM_WINDOW_TYPE_TOOLBAR",
"_NET_WM_WINDOW_TYPE_MENU",
"_NET_WM_WINDOW_TYPE_UTILITY",
"_NET_WM_WINDOW_TYPE_SPLASH",
"_NET_WM_WINDOW_TYPE_DIALOG",
"_NET_WM_WINDOW_TYPE_DROPDOWN_MENU",
"_NET_WM_WINDOW_TYPE_POPUP_MENU",
"_NET_WM_WINDOW_TYPE_TOOLTIP",
"_NET_WM_WINDOW_TYPE_NOTIFICATION",
"_NET_WM_WINDOW_TYPE_COMBO",
"_NET_WM_WINDOW_TYPE_DND",
"_NET_WM_WINDOW_TYPE_NORMAL",
"_NET_WM_MOVERESIZE",
"_NET_SUPPORTING_WM_CHECK",
"_NET_SUPPORTED",
"_MOTIF_WM_HINTS",
"CLIPBOARD",
"CLIPBOARD_MANAGER",
"TARGETS",
"UTF8_STRING",
"_WL_SELECTION",
"INCR",
"TIMESTAMP",
"MULTIPLE",
"UTF8_STRING",
"COMPOUND_TEXT",
"TEXT",
"STRING",
"text/plain;charset=utf-8",
"text/plain",
"XdndSelection",
"XdndAware",
"XdndEnter",
"XdndLeave",
"XdndDrop",
"XdndStatus",
"XdndFinished",
"XdndTypeList",
"XdndActionCopy",
}
cookies := make([]xproto.InternAtomCookie, len(atomNames))
for i := 0; i < len(atomNames); i++ {
cookies[i] = xproto.InternAtom(X.Conn(),
false, uint16(len(atomNames[i])), atomNames[i])
}
/* Try to select for substructure redirect. */
evMasks := xproto.EventMaskPropertyChange |
xproto.EventMaskFocusChange |
xproto.EventMaskButtonPress |
xproto.EventMaskButtonRelease |
xproto.EventMaskStructureNotify |
xproto.EventMaskSubstructureNotify |
xproto.EventMaskSubstructureRedirect
root.Listen(evMasks)
composite.RedirectSubwindows(X.Conn(), root.Id,
composite.RedirectManual)
// change config
// data := []byte{1}
// propAtom, _ := xprop.Atm(X, "_NET_SUPPORTED")
// var format byte = 32
// xproto.ChangePropertyChecked(X.Conn(), xproto.PropModeReplace,
// root.Id, propAtom, xproto.AtomAtom, format,
// uint32(len(data)/(int(format)/8)), data)
ewmh.SupportedSet(X, []string{
"_NET_SUPPORTED",
"_NET_CLIENT_LIST",
"_NET_NUMBER_OF_DESKTOPS",
"_NET_DESKTOP_GEOMETRY",
"_NET_CURRENT_DESKTOP",
"_NET_VISIBLE_DESKTOPS",
"_NET_DESKTOP_NAMES",
"_NET_ACTIVE_WINDOW",
"_NET_SUPPORTING_WM_CHECK",
"_NET_CLOSE_WINDOW",
"_NET_MOVERESIZE_WINDOW",
"_NET_RESTACK_WINDOW",
"_NET_WM_NAME",
"_NET_WM_DESKTOP",
"_NET_WM_WINDOW_TYPE",
"_NET_WM_WINDOW_TYPE_DESKTOP",
"_NET_WM_WINDOW_TYPE_DOCK",
"_NET_WM_WINDOW_TYPE_TOOLBAR",
"_NET_WM_WINDOW_TYPE_MENU",
"_NET_WM_WINDOW_TYPE_UTILITY",
"_NET_WM_WINDOW_TYPE_SPLASH",
"_NET_WM_WINDOW_TYPE_DIALOG",
"_NET_WM_WINDOW_TYPE_DROPDOWN_MENU",
"_NET_WM_WINDOW_TYPE_POPUP_MENU",
"_NET_WM_WINDOW_TYPE_TOOLTIP",
"_NET_WM_WINDOW_TYPE_NOTIFICATION",
"_NET_WM_WINDOW_TYPE_COMBO",
"_NET_WM_WINDOW_TYPE_DND",
"_NET_WM_WINDOW_TYPE_NORMAL",
"_NET_WM_STATE",
"_NET_WM_STATE_STICKY",
"_NET_WM_STATE_MAXIMIZED_VERT",
"_NET_WM_STATE_MAXIMIZED_HORZ",
"_NET_WM_STATE_SKIP_TASKBAR",
"_NET_WM_STATE_SKIP_PAGER",
"_NET_WM_STATE_HIDDEN",
"_NET_WM_STATE_FULLSCREEN",
"_NET_WM_STATE_ABOVE",
"_NET_WM_STATE_BELOW",
"_NET_WM_STATE_DEMANDS_ATTENTION",
"_NET_WM_STATE_FOCUSED",
"_NET_WM_ALLOWED_ACTIONS",
"_NET_WM_ACTION_MOVE",
"_NET_WM_ACTION_RESIZE",
"_NET_WM_ACTION_MINIMIZE",
"_NET_WM_ACTION_STICK",
"_NET_WM_ACTION_MAXIMIZE_HORZ",
"_NET_WM_ACTION_MAXIMIZE_VERT",
"_NET_WM_ACTION_FULLSCREEN",
"_NET_WM_ACTION_CHANGE_DESKTOP",
"_NET_WM_ACTION_CLOSE",
"_NET_WM_ACTION_ABOVE",
"_NET_AM_ACTION_BELOW",
"_NET_WM_STRUT_PARTIAL",
"_NET_WM_ICON",
"_NET_FRAME_EXTENTS",
"WM_TRANSIENT_FOR",
})
// create wm window
win, _ := xwindow.Create(X, root.Id)
xproto.MapWindow(X.Conn(), win.Id)
atomValues := make([]xproto.Atom, len(atomNames))
for num, cookie := range cookies {
reply, _ := cookie.Reply()
atomValues[num] = reply.Atom
}
/* take WM_S0 selection last, which
* signals to Xwayland that we're done with setup. */
xproto.SetSelectionOwner(X.Conn(), win.Id,
atomValues[3],
xproto.TimeCurrentTime,
)
mapResquest := func(event xgb.Event) {
ev, _ := event.(xproto.MapRequestEvent)
log.Info("MapRequest: ", ev)
xproto.MapWindow(X.Conn(), ev.Window)
icccm.WmStateSet(X, ev.Window, &icccm.WmState{
State: icccm.StateNormal,
Icon: ev.Window,
})
// TODO: set _net_wm_state
}
for {
x := X.Conn()
ev, xerr := x.WaitForEvent()
if ev == nil && xerr == nil {
fmt.Println("Both event and error are nil. Exiting...")
return
}
// if ev != nil {
// fmt.Printf("Event: %s\n", ev)
// }
if xerr != nil {
fmt.Printf("Error: %s\n", xerr)
}
switch ev.(type) {
case xproto.CreateNotifyEvent:
createNotify(X, ev)
fmt.Printf("Event: %s\n", ev)
case xproto.DestroyNotifyEvent:
destroyNotify(X, ev)
fmt.Printf("Event: %s\n", ev)
case xproto.MapRequestEvent:
mapResquest(ev)
case xproto.ConfigureNotifyEvent:
configureNotify(X, ev)
case xproto.PropertyNotifyEvent:
fmt.Printf("Event: %s\n", ev)
case xproto.ClientMessageEvent:
clientMessage(X, ev)
case xproto.ConfigureRequestEvent:
configureRequest(X, ev)
case xproto.UnmapNotifyEvent:
unmapNotify(X, ev)
default:
log.Info("Event:", ev)
}
}
// xevent.MapRequestFun(
// func(X *xgbutil.XUtil, e xevent.MapRequestEvent) {
// println(e.Window)
// }).Connect(X, root.Id)
// xevent.ConfigureNotifyFun(
// func(X *xgbutil.XUtil, e xevent.ConfigureNotifyEvent) {
// fmt.Printf("(%d, %d) %dx%d\n", e.X, e.Y, e.Width, e.Height)
// }).Connect(X, root.Id)
// xevent.FocusInFun(
// func(X *xgbutil.XUtil, e xevent.FocusInEvent) {
// fmt.Printf("(%v, %v)\n", e.Mode, e.Detail)
// }).Connect(X, root.Id)
// xevent.Main(X)
}
func main() {
// Open the connection to the X server
X, err := xgb.NewConn()
if err != nil {
log.Fatal(err)
}
defer X.Close()
// geometric objects
points := []xproto.Point{
{10, 10},
{10, 20},
{20, 10},
{20, 20}}
polyline := []xproto.Point{
{50, 10},
{5, 20}, // rest of points are relative
{25, -20},
{10, 10}}
segments := []xproto.Segment{
{100, 10, 140, 30},
{110, 25, 130, 60}}
rectangles := []xproto.Rectangle{
{10, 50, 40, 20},
{80, 50, 10, 40}}
arcs := []xproto.Arc{
{10, 100, 60, 40, 0, 90 << 6},
{90, 100, 55, 40, 0, 270 << 6}}
setup := xproto.Setup(X)
// Get the first screen
screen := setup.DefaultScreen(X)
// Create black (foreground) graphic context
foreground, _ := xproto.NewGcontextId(X)
mask := uint32(xproto.GcForeground | xproto.GcGraphicsExposures)
values := []uint32{screen.BlackPixel, 0}
xproto.CreateGC(X, foreground, xproto.Drawable(screen.Root), mask, values)
// Ask for our window's Id
win, _ := xproto.NewWindowId(X)
winDrawable := xproto.Drawable(win)
// Create the window
mask = uint32(xproto.CwBackPixel | xproto.CwEventMask)
values = []uint32{screen.WhitePixel, xproto.EventMaskExposure}
xproto.CreateWindow(X, // Connection
screen.RootDepth, // Depth
win, // Window Id
screen.Root, // Parent Window
0, 0, // x, y
150, 150, // width, height
10, // border_width
xproto.WindowClassInputOutput, // class
screen.RootVisual, // visual
mask, values) // masks
// Map the window on the screen
xproto.MapWindow(X, win)
// Obey the window-delete protocol
tp := "WM_PROTOCOLS"
prp := "WM_DELETE_WINDOW"
typeAtom, _ := xproto.InternAtom(X, true, uint16(len(tp)), tp).Reply()
propertyAtom, _ := xproto.InternAtom(X, true, uint16(len(prp)), prp).Reply()
// It turns out that we need the window ID as a byte-stream... WTF!!
// xprop.ChangeProp(xu, win, 8, "WM_NAME", "STRING", ([]byte)(name))
// ChangeProp(xu *xgbutil.XUtil, win xproto.Window, format byte, prop string, typ string, data []byte)
data := make([]byte, 4)
xgb.Put32(data, uint32(propertyAtom.Atom))
xproto.ChangeProperty(X, xproto.PropModeReplace, win, typeAtom.Atom, xproto.AtomAtom, 32, 1, data)
for {
evt, err := X.WaitForEvent()
fmt.Printf("An event of type %T occured.\n", evt)
if evt == nil && err == nil {
fmt.Println("Exiting....")
return
} else if err != nil {
log.Fatal(err)
}
switch event := evt.(type) {
case xproto.ExposeEvent:
/* We draw the points */
xproto.PolyPoint(X, xproto.CoordModeOrigin, winDrawable, foreground, points)
/* We draw the polygonal line */
xproto.PolyLine(X, xproto.CoordModePrevious, winDrawable, foreground, polyline)
/* We draw the segments */
xproto.PolySegment(X, winDrawable, foreground, segments)
/* We draw the rectangles */
xproto.PolyRectangle(X, winDrawable, foreground, rectangles)
/* We draw the arcs */
xproto.PolyArc(X, winDrawable, foreground, arcs)
case xproto.ClientMessageEvent:
if len(event.Data.Data32) > 0 {
data := xproto.Atom(event.Data.Data32[0])
if data == propertyAtom.Atom {
return
} else {
atomName, _ := xproto.GetAtomName(X, data).Reply()
fmt.Println(atomName.Name)
}
} else {
atomName, _ := xproto.GetAtomName(X, event.Type).Reply()
fmt.Println(atomName.Name)
}
default:
/* Unknown event type, ignore it */
}
}
return
}