func writeConfigFiles() {
var configDir string
xdgHome := os.Getenv("XDG_CONFIG_HOME")
home := os.Getenv("HOME")
if len(xdgHome) > 0 && strings.HasPrefix(xdgHome, "/") {
configDir = path.Join(xdgHome, "wingo")
} else if len(home) > 0 && strings.HasPrefix(home, "/") {
configDir = path.Join(home, ".config", "wingo")
} else {
logger.Error.Fatalf("Something is screwy. Wingo could not detect "+
"valid values in your XDG_CONFIG_HOME ('%s') or HOME ('%s') "+
"environment variables.", xdgHome, home)
}
// If the directory already exists, we quit---avoid accidentally
// overwriting an existing configuration!
if _, err := os.Stat(configDir); err == nil || os.IsExist(err) {
logger.Error.Fatalf("Writing config files failed. The directory '%s' "+
"already exists. Please remove it if you want a fresh set of "+
"configuration files.", configDir)
}
// Okay, we're all set to continue. Create the directory and copy all of
// the configuration files.
if err := os.MkdirAll(configDir, 0777); err != nil {
logger.Error.Fatalf("Could not create directory '%s': %s",
configDir, err)
}
files := []string{
"hooks.wini", "key.wini", "mouse.wini", "options.wini", "theme.wini",
}
for _, f := range files {
dst := path.Join(configDir, f)
if err := copyFile(dst, wm.ConfigFile(f)); err != nil {
logger.Error.Fatalf("Could not copy file '%s' to '%s': %s",
f, dst, err)
}
}
}
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)
}
keybind.Initialize(X)
mousebind.Initialize(X)
focus.Initialize(X)
stack.Initialize(X)
cursors.Initialize(X)
wm.Initialize(X, commands.Env, newHacks(), flagConfigDir)
hook.Initialize(commands.Env, wm.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)
}
}
}