func (c *Client) handleProperty(name string) {
switch name {
case "_NET_WM_VISIBLE_NAME":
fallthrough
case "_NET_WM_NAME":
fallthrough
case "WM_NAME":
c.refreshName()
case "_NET_WM_ICON":
c.refreshIcon()
case "WM_HINTS":
if hints, err := icccm.WmHintsGet(wm.X, c.Id()); err == nil {
c.hints = hints
c.refreshIcon()
}
case "WM_NORMAL_HINTS":
if nhints, err := icccm.WmNormalHintsGet(wm.X, c.Id()); err == nil {
c.nhints = nhints
}
case "WM_TRANSIENT_FOR":
if trans, err := icccm.WmTransientForGet(wm.X, c.Id()); err == nil {
if transCli := wm.FindManagedClient(trans); transCli != nil {
c.transientFor = transCli.(*Client)
}
}
case "_NET_WM_USER_TIME":
if newTime, err := ewmh.WmUserTimeGet(wm.X, c.Id()); err == nil {
c.time = xproto.Timestamp(newTime)
}
case "_NET_WM_STRUT_PARTIAL":
c.maybeApplyStruts()
case "_MOTIF_WM_HINTS":
// This is a bit messed up. If a client is floating, we don't
// really care what the decorations are, so we oblige blindly.
// However, if we're tiling, then we don't want to mess with
// the frames---but we also want to make sure that any states
// the client might revert to have the proper frames.
decor := c.shouldDecor()
if _, ok := c.Layout().(layout.Floater); ok {
if decor {
c.FrameFull()
} else {
c.FrameNada()
}
} else {
for k := range c.states {
s := c.states[k]
if decor {
s.frame = c.frames.full
} else {
s.frame = c.frames.nada
}
c.states[k] = s
}
}
}
}
func withClient(cArg gribble.Any, f func(c *xclient.Client)) gribble.Any {
switch c := cArg.(type) {
case int:
if c == 0 {
return ":void:"
}
for _, client_ := range wm.Clients {
client := client_.(*xclient.Client)
if int(client.Id()) == c {
f(client)
return int(client.Id())
}
}
return ":void:"
case string:
switch c {
case ":void:":
return ":void:"
case ":mouse:":
wid := xproto.Window(wm.MouseClientClicked)
if client := wm.FindManagedClient(wid); client != nil {
c := client.(*xclient.Client)
f(c)
return int(c.Id())
} else {
f(nil)
return ":void:"
}
default:
for _, client_ := range wm.Clients {
client := client_.(*xclient.Client)
name := strings.ToLower(client.Name())
if strings.Contains(name, strings.ToLower(c)) {
f(client)
return int(client.Id())
}
}
return ":void:"
}
default:
panic(fmt.Sprintf("BUG: Unknown Gribble return type: %T", c))
}
panic("unreachable")
}
func main() {
if flagWriteConfig {
writeConfigFiles()
os.Exit(0)
}
X, err := xgbutil.NewConn()
if err != nil {
logger.Error.Println(err)
logger.Error.Fatalln("Error connecting to X, quitting...")
}
defer X.Conn().Close()
// Do this first! Attempt to retrieve window manager ownership.
// This includes waiting for any existing window manager to die.
// 'own' also sets up handlers for quitting when a window manager tries
// to replace *us*.
if err := own(X, flagReplace); err != nil {
logger.Error.Fatalf(
"Could not establish window manager ownership: %s", err)
}
if len(flagConfigDir) > 0 {
misc.ConfigPaths.Override = flagConfigDir
}
if len(flagDataDir) > 0 {
misc.DataPaths.Override = flagDataDir
}
misc.ReadData()
keybind.Initialize(X)
mousebind.Initialize(X)
focus.Initialize(X)
stack.Initialize(X)
cursors.Initialize(X)
wm.Initialize(X, commands.Env, newHacks())
hook.Initialize(commands.Env, misc.ConfigFile("hooks.wini"))
// Listen to Root. It is all-important.
err = xwindow.New(X, X.RootWin()).Listen(
xproto.EventMaskPropertyChange |
xproto.EventMaskFocusChange |
xproto.EventMaskButtonPress |
xproto.EventMaskButtonRelease |
xproto.EventMaskStructureNotify |
xproto.EventMaskSubstructureNotify |
xproto.EventMaskSubstructureRedirect)
if err != nil {
logger.Error.Fatalf("Could not listen to Root window events: %s", err)
}
// Update state when the root window changes size
wm.RootGeomChangeFun().Connect(X, wm.Root.Id)
// Oblige map request events
xevent.MapRequestFun(
func(X *xgbutil.XUtil, ev xevent.MapRequestEvent) {
xclient.New(ev.Window)
}).Connect(X, wm.Root.Id)
// Oblige configure requests from windows we don't manage.
xevent.ConfigureRequestFun(
func(X *xgbutil.XUtil, ev xevent.ConfigureRequestEvent) {
// Make sure we aren't managing this client.
if wm.FindManagedClient(ev.Window) != nil {
return
}
xwindow.New(X, ev.Window).Configure(int(ev.ValueMask),
int(ev.X), int(ev.Y), int(ev.Width), int(ev.Height),
ev.Sibling, ev.StackMode)
}).Connect(X, wm.Root.Id)
xevent.FocusInFun(
func(X *xgbutil.XUtil, ev xevent.FocusInEvent) {
if ignoreRootFocus(ev.Mode, ev.Detail) {
return
}
if len(wm.Workspace().Clients) == 0 {
return
}
wm.FocusFallback()
}).Connect(X, wm.Root.Id)
// Listen to Root client message events. This is how we handle all
// of the EWMH bullshit.
xevent.ClientMessageFun(handleClientMessages).Connect(X, wm.Root.Id)
// Tell everyone what we support.
setSupported()
// Start up the IPC command listener.
go ipc()
// Just before starting the main event loop, check to see if there are
// any clients that already exist that we should manage.
manageExistingClients()
// Now make sure that clients are in the appropriate visible state.
for _, wrk := range wm.Heads.Workspaces.Wrks {
if wrk.IsVisible() {
wrk.Show()
} else {
wrk.Hide()
}
}
wm.Heads.ApplyStruts(wm.Clients)
wm.FocusFallback()
wm.Startup = false
pingBefore, pingAfter, pingQuit := xevent.MainPing(X)
if len(flagCpuProfile) > 0 {
f, err := os.Create(flagCpuProfile)
if err != nil {
logger.Error.Fatalf("%s\n", err)
}
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
}
if flagWingoRestarted {
hook.Fire(hook.Restarted, hook.Args{})
} else {
hook.Fire(hook.Startup, hook.Args{})
}
EVENTLOOP:
for {
select {
case <-pingBefore:
// Wait for the event to finish processing.
<-pingAfter
case f := <-commands.SafeExec:
commands.SafeReturn <- f()
case <-pingQuit:
break EVENTLOOP
}
}
if wm.Restart {
// We need to tell the next invocation of Wingo that it is being
// *restarted*. (So that we don't refire the startup hook.)
// Thus, search os.Args for "--wingo-restarted". If it doesn't exist,
// add it.
found := false
for _, arg := range os.Args {
if strings.ToLower(strings.TrimSpace(arg)) == "--wingo-restarted" {
found = true
}
}
if !found {
os.Args = append(os.Args, "--wingo-restarted")
}
logger.Message.Println("The user has told us to restart...\n\n\n")
if err := syscall.Exec(os.Args[0], os.Args, os.Environ()); err != nil {
logger.Error.Fatalf("Could not exec '%s': %s",
strings.Join(os.Args, " "), err)
}
}
}
func rootInit(X *xgbutil.XUtil) {
var err error
// Listen to Root. It is all-important.
evMasks := xproto.EventMaskPropertyChange |
xproto.EventMaskFocusChange |
xproto.EventMaskButtonPress |
xproto.EventMaskButtonRelease |
xproto.EventMaskStructureNotify |
xproto.EventMaskSubstructureNotify |
xproto.EventMaskSubstructureRedirect
if wm.Config.FfmHead {
evMasks |= xproto.EventMaskPointerMotion
}
err = xwindow.New(X, X.RootWin()).Listen(evMasks)
if err != nil {
logger.Error.Fatalf("Could not listen to Root window events: %s", err)
}
// Update state when the root window changes size
wm.RootGeomChangeFun().Connect(X, wm.Root.Id)
// Oblige map request events
xevent.MapRequestFun(
func(X *xgbutil.XUtil, ev xevent.MapRequestEvent) {
xclient.New(ev.Window)
}).Connect(X, wm.Root.Id)
// Oblige configure requests from windows we don't manage.
xevent.ConfigureRequestFun(
func(X *xgbutil.XUtil, ev xevent.ConfigureRequestEvent) {
// Make sure we aren't managing this client.
if wm.FindManagedClient(ev.Window) != nil {
return
}
xwindow.New(X, ev.Window).Configure(int(ev.ValueMask),
int(ev.X), int(ev.Y), int(ev.Width), int(ev.Height),
ev.Sibling, ev.StackMode)
}).Connect(X, wm.Root.Id)
xevent.FocusInFun(
func(X *xgbutil.XUtil, ev xevent.FocusInEvent) {
if ignoreRootFocus(ev.Mode, ev.Detail) {
return
}
if len(wm.Workspace().Clients) == 0 {
return
}
wm.FocusFallback()
}).Connect(X, wm.Root.Id)
// Listen to Root client message events. This is how we handle all
// of the EWMH bullshit.
xevent.ClientMessageFun(handleClientMessages).Connect(X, wm.Root.Id)
// Check where the pointer is on motion events. If it's crossed a monitor
// boundary, switch the focus of the head.
if wm.Config.FfmHead {
xevent.MotionNotifyFun(handleMotionNotify).Connect(X, wm.Root.Id)
}
}
func New(id xproto.Window) *Client {
wm.X.Grab()
defer wm.X.Ungrab()
// If this is an override redirect, skip...
attrs, err := xproto.GetWindowAttributes(wm.X.Conn(), id).Reply()
if err != nil {
logger.Warning.Printf("Could not get window attributes for '%d': %s",
id, err)
} else {
if attrs.OverrideRedirect {
logger.Message.Printf(
"Not managing override redirect window %d", id)
return nil
}
}
if client := wm.FindManagedClient(id); client != nil {
logger.Message.Printf("Already managing client: %s", client)
return nil
}
win := xwindow.New(wm.X, id)
if _, err := win.Geometry(); err != nil {
logger.Warning.Printf("Could not manage client %d because: %s", id, err)
return nil
}
c := &Client{
win: win,
name: "N/A",
state: frame.Inactive,
layer: stack.LayerDefault,
maximized: false,
iconified: false,
unmapIgnore: 0,
floating: false,
fullscreen: false,
skipTaskbar: false,
skipPager: false,
demanding: false,
attnQuit: make(chan struct{}, 0),
}
c.manage()
// We don't fire the managed hook on startup since it can lead to
// unintuitive state changes.
// If someone really wants it, we can add a new "startup_managed" hook
// or something.
if !wm.Startup {
event.Notify(event.ManagedClient{c.Id()})
c.FireHook(hook.Managed)
}
if !c.iconified {
c.Map()
if !wm.Startup && c.PrimaryType() == TypeNormal {
if !wm.Config.Ffm || wm.Config.FfmStartupFocus {
c.Focus()
}
}
}
return c
}
func (c *Client) fetchXProperties() {
var err error
c.hints, err = icccm.WmHintsGet(wm.X, c.Id())
if err != nil {
logger.Warning.Println(err)
logger.Message.Printf("Using reasonable defaults for WM_HINTS for %X",
c.Id())
c.hints = &icccm.Hints{
Flags: icccm.HintInput | icccm.HintState,
Input: 1,
InitialState: icccm.StateNormal,
}
}
c.nhints, err = icccm.WmNormalHintsGet(wm.X, c.Id())
if err != nil {
logger.Warning.Println(err)
logger.Message.Printf("Using reasonable defaults for WM_NORMAL_HINTS "+
"for %X", c.Id())
c.nhints = &icccm.NormalHints{}
}
c.protocols, err = icccm.WmProtocolsGet(wm.X, c.Id())
if err != nil {
logger.Warning.Printf(
"Window %X does not have WM_PROTOCOLS set.", c.Id())
}
c.winTypes, err = ewmh.WmWindowTypeGet(wm.X, c.Id())
if err != nil {
logger.Warning.Printf("Could not find window type for window %X, "+
"using 'normal'.", c.Id())
c.winTypes = []string{"_NET_WM_WINDOW_TYPE_NORMAL"}
}
c.winStates, err = ewmh.WmStateGet(wm.X, c.Id())
if err != nil {
c.winStates = []string{}
ewmh.WmStateSet(wm.X, c.Id(), c.winStates)
}
c.class, err = icccm.WmClassGet(wm.X, c.Id())
if err != nil {
logger.Warning.Printf("Could not find window class for window %X: %s",
c.Id(), err)
c.class = &icccm.WmClass{
Instance: "",
Class: "",
}
}
trans, _ := icccm.WmTransientForGet(wm.X, c.Id())
if trans == 0 {
for _, c2_ := range wm.Clients {
c2 := c2_.(*Client)
if c2.transient(c) {
c.transientFor = c2
break
}
}
} else if transCli := wm.FindManagedClient(trans); transCli != nil {
c.transientFor = transCli.(*Client)
}
tmp, err := xprop.PropValNum(
xprop.GetProperty(wm.X, c.Id(), "_GTK_HIDE_TITLEBAR_WHEN_MAXIMIZED"))
if err == nil {
c.gtkMaximizeNada = (tmp == 1)
} else {
c.gtkMaximizeNada = false
}
c.setShaped()
}