update

cmd/bspwm/main.go

@@ -2,11 +2,14 @@ package main
 
 import (
 	"context"
+	"fmt"
 	"log"
+	"net"
 	"os"
 	"os/signal"
 	"syscall"
 
+	"github.com/jezek/xgbutil"
 	"tuxpa.in/t/wm/src/bsp"
 	"tuxpa.in/t/wm/src/handler"
 	"tuxpa.in/t/wm/src/handler/domains"
@@ -14,13 +17,32 @@ import (
 )
 
 func main() {
-	// create socket
+
-	ln, err := sock.Server("./bspwm.sock")
+	err := _main()
 	if err != nil {
 		panic(err)
 	}
-	defer ln.Close()
+
+}
+func _main() error {
+	// connect to the x server
+	log.Printf("connecting to xorg")
+	x11, err := xgbutil.NewConn()
+	if err != nil {
+		return err
+	}
+	defer x11.Conn().Close()
+
+	addr := parsePath(x11, "./bspwm.sock")
+	// create socket
 	log.Printf("starting bspwm")
+	ln, err := sock.Server(addr)
+	if err != nil {
+		return err
+	}
+	defer ln.Close()
+
+	// construct context
 	ctx, stop := signal.NotifyContext(context.Background(),
 		os.Interrupt,
 		syscall.SIGTERM,
@@ -28,31 +50,49 @@ func main() {
 		syscall.SIGINT,
 	)
 	defer stop()
+
 	// initialize WM state
 	w := bsp.NewWM()
-	// create a wm manager
+	// create a wm-x11 connection
-	xwm := bsp.NewXWM(w, ln.X11())
+	xwm := bsp.NewXWM(w, x11)
-	// install the handler
+	// create a handler
 	h := &handler.Handler{
 		XWM: xwm,
 	}
+	// install the handlers
 	handler.AddDomain[domains.Todo](h, "node")
 	handler.AddDomain[domains.Todo](h, "desktop")
 	handler.AddDomain[domains.Todo](h, "monitor")
-	handler.AddDomain[domains.Todo](h, "wm")
+	handler.AddDomain[domains.Wm](h, "wm")
 	handler.AddDomain[domains.Todo](h, "rule")
 	handler.AddDomain[domains.Todo](h, "config")
 	handler.AddDomain[domains.Todo](h, "subscribe")
 	handler.AddDomain[domains.Todo](h, "quit")
 	handler.AddDomain[domains.Query](h, "query")
 	handler.AddDomain[domains.Echo](h, "echo")
+
+	// message listen loop
 	for {
 		select {
 		case m := <-ln.Msg():
 			h.Run(m)
 		case <-ctx.Done():
 			log.Println("bspwm shutting down...")
-			return
+			return nil
 		}
 	}
 }
+
+func parsePath(xc *xgbutil.XUtil, path string) *net.UnixAddr {
+	if path == "" {
+		path = os.Getenv(sock.SOCKET_ENV_VAR)
+	}
+	if path == "" {
+		path = fmt.Sprintf(sock.SOCKET_PATH_TPL, "", xc.Conn().DisplayNumber, xc.Conn().DefaultScreen)
+	}
+	addr, err := net.ResolveUnixAddr("unix", path)
+	if err != nil {
+		panic(err)
+	}
+	return addr
+}

go.mod

@@ -8,4 +8,13 @@ replace github.com/jezek/xgbutil v0.0.0-20230603163917-04188eb39cf0 => ./xgbutil
 
 require github.com/jezek/xgb v1.1.0
 
-require github.com/jezek/xgbutil v0.0.0-20230603163917-04188eb39cf0
+require (
+	github.com/jezek/xgbutil v0.0.0-20230603163917-04188eb39cf0
+	github.com/stretchr/testify v1.8.4
+)
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)

go.sum

@@ -1,2 +1,12 @@
 github.com/BurntSushi/freetype-go v0.0.0-20160129220410-b763ddbfe298/go.mod h1:D+QujdIlUNfa0igpNMk6UIvlb6C252URs4yupRUV4lQ=
 github.com/BurntSushi/graphics-go v0.0.0-20160129215708-b43f31a4a966/go.mod h1:Mid70uvE93zn9wgF92A/r5ixgnvX8Lh68fxp9KQBaI0=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
+github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

src/bsp/cfg/cfg.go

@@ -0,0 +1,173 @@
+package cfg
+
+import (
+	"fmt"
+	"reflect"
+	"strconv"
+	"strings"
+
+	"tuxpa.in/t/wm/src/copies"
+)
+
+// Read will return the first non nil value or the default value
+func Read[T any](xs ...*T) T {
+	for _, v := range xs {
+		if v != nil {
+			return *v
+		}
+	}
+	// zero value if all else fails
+	return *new(T)
+}
+
+func ReadFunc[T any, V any](fn func(*T) *V, xs ...*T) V {
+	for _, v := range xs {
+		if v == nil {
+			continue
+		}
+		vv := fn(v)
+		if vv != nil {
+			return *vv
+		}
+	}
+	return *new(V)
+}
+
+type Modifier[T any] struct {
+	Ref T
+
+	setters map[string]func(v string) error
+	getters map[string]func() (string, error)
+}
+
+func NewModifier[T any](start T) *Modifier[T] {
+	m := &Modifier[T]{
+		Ref:     start,
+		setters: map[string]func(v string) error{},
+		getters: map[string]func() (string, error){},
+	}
+	m.setup()
+	return m
+}
+
+func (m *Modifier[T]) Set(k, v string) error {
+	fn, ok := m.setters[k]
+	if !ok {
+		// TODO: some error here
+		return nil
+	}
+	return fn(v)
+}
+func (m *Modifier[T]) GetString(k string) (string, error) {
+	fn, ok := m.getters[k]
+	if !ok {
+		// TODO: some error here
+		return "", fmt.Errorf("config key '%s' not found", k)
+	}
+	return fn()
+}
+
+func (m *Modifier[T]) FillDefaults() {
+	rt := reflect.TypeOf(m.Ref).Elem()
+	for i := 0; i < rt.NumField(); i++ {
+		ft := rt.Field(i)
+		k := ft.Tag.Get("cfg")
+		dv := ft.Tag.Get("default")
+		if dv == "" {
+			continue
+		}
+		m.Set(k, dv)
+	}
+	return
+}
+
+func (m *Modifier[T]) setup() {
+	// grab the value
+	rv := reflect.ValueOf(m.Ref).Elem()
+	rt := reflect.TypeOf(m.Ref).Elem()
+	for i := 0; i < rv.NumField(); i++ {
+		fv := rv.Field(i)
+		ft := rt.Field(i)
+		k := ft.Tag.Get("cfg")
+		kind := ft.Type.Elem().Kind()
+		switch kind {
+		case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
+			m.setters[k] = func(v string) error {
+				val, err := strconv.ParseUint(v, 10, 64)
+				if err != nil {
+					return copies.NewInvalidValueErr(k, v)
+				}
+				if fv.IsNil() {
+					fv.Set(reflect.New(ft.Type.Elem()))
+				}
+				fv.Elem().SetUint(uint64(val))
+				return nil
+			}
+			m.getters[k] = func() (string, error) {
+				if fv.IsNil() {
+					return "", nil
+				}
+				return fmt.Sprintf("%v", fv.Elem()), nil
+			}
+		case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+			m.setters[k] = func(v string) error {
+				val, err := strconv.Atoi(v)
+				if err != nil {
+					return copies.NewInvalidValueErr(k, v)
+				}
+				if fv.IsNil() {
+					fv.Set(reflect.New(ft.Type.Elem()))
+				}
+				fv.Elem().SetInt(int64(val))
+				return nil
+			}
+			m.getters[k] = func() (string, error) {
+				if fv.IsNil() {
+					return "", nil
+				}
+				return fmt.Sprintf("%v", fv.Elem()), nil
+			}
+		case reflect.Bool:
+			m.setters[k] = func(v string) error {
+				var b bool
+				switch strings.ToLower(v) {
+				case "true", "on":
+					b = true
+				case "false", "off":
+					b = false
+				default:
+					return copies.NewInvalidValueErr(k, v)
+				}
+				if fv.IsNil() {
+					fv.Set(reflect.New(ft.Type.Elem()))
+				}
+				fv.Elem().SetBool(b)
+				return nil
+			}
+			m.getters[k] = func() (string, error) {
+				if fv.IsNil() {
+					return "", nil
+				}
+				return fmt.Sprintf("%v", fv.Elem()), nil
+			}
+		case reflect.String:
+			m.setters[k] = func(v string) error {
+				if fv.IsNil() {
+					fv.Set(reflect.New(ft.Type.Elem()))
+				}
+				fv.Elem().SetString(strings.TrimSpace(v))
+				return nil
+			}
+			m.getters[k] = func() (string, error) {
+				if fv.IsNil() {
+					return "", nil
+				}
+				return fmt.Sprintf("%v", fv.Elem()), nil
+			}
+		}
+	}
+}
+
+func getStructTag(f reflect.StructField, tagName string) string {
+	return string(f.Tag.Get(tagName))
+}

src/bsp/cfg/cfg_test.go

@@ -0,0 +1,36 @@
+package cfg_test
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"tuxpa.in/t/wm/src/bsp/cfg"
+)
+
+type E int
+
+const (
+	D0 E = 0
+	D1
+)
+
+type s1 struct {
+	A *int    `cfg:"a" default:"4"`
+	B *bool   `cfg:"b"`
+	C *string `cfg:"c" default:"crabs"`
+	D *E      `cfg:"d"`
+}
+
+func TestModifierS1(t *testing.T) {
+	s := &s1{}
+	m := cfg.NewModifier(s)
+	m.FillDefaults()
+	assert.EqualValues(t, *m.Ref.C, "crabs")
+
+	m.Set("b", "on")
+	assert.EqualValues(t, *m.Ref.B, true)
+	assert.Nil(t, m.Ref.D)
+	m.Set("d", "442")
+	assert.EqualValues(t, *m.Ref.D, 442)
+
+}

src/bsp/color.go

@@ -0,0 +1,3 @@
+package bsp
+
+type ColorCode string

src/bsp/config.go

@@ -0,0 +1,108 @@
+package bsp
+
+type AUTOMATIC_SCHEME_T int
+
+const (
+	SCHEME_LONGEST_SIDE AUTOMATIC_SCHEME_T = iota
+	SCHEME_ALTERNATE
+	SCHEME_SPIRAL
+)
+
+type HONOR_SIZE_HINTS_MODE_T int
+
+const (
+	HONOR_SIZE_HINTS_NO HONOR_SIZE_HINTS_MODE_T = iota
+	HONOR_SIZE_HINTS_YES
+	HONOR_SIZE_HINTS_FLOATING
+	HONOR_SIZE_HINTS_TILED
+	HONOR_SIZE_HINTS_DEFAULT
+)
+
+type TIGHTNESS_T int
+
+const (
+	TIGHTNESS_LOW TIGHTNESS_T = iota
+	TIGHTNESS_HIGH
+)
+
+type CHILD_POLARITY_T int
+
+const (
+	FIRST_CHILD CHILD_POLARITY_T = iota
+	SECOND_CHILD
+)
+
+type Config struct {
+
+	// pointer options
+	PointerAction1 *string `cfg:"pointer_action1"`
+	PointerAction2 *string `cfg:"pointer_action2"`
+	PointerAction3 *string `cfg:"pointer_action3"`
+
+	PointerFollowsMonitor *bool   `cfg:"pointer_follows_monitor"`
+	FocusFollowsPointer   *bool   `cfg:"focus_follows_pointer"`
+	PointerFollowsFocus   *bool   `cfg:"pointer_follows_focus"`
+	PointerMotionInterval *string `cfg:"pointer_motion_interval"`
+
+	// control
+	PointerModifier      *string `cfg:"pointer_modifier" default:"XCB_MOD_MASK_4"`
+	StatusPrefix         *string `cfg:"status_prefix" default:"W"`
+	ExternalRulesCommand *string `cfg:"external_rules_command" default:""`
+
+	// click
+	ClickToFocus      *string `cfg:"click_to_focus" default:"XCB_BUTTON_INDEX_1"`
+	SwallowFirstClick *bool   `cfg:"swallow_first_click"`
+
+	// ewmh
+	IgnoreEwmhFocus      *bool `cfg:"ignore_ewmh_focus"`
+	IgnoreEwmhFullscreen *bool `cfg:"ignore_ewmh_fullscreen"`
+	IgnoreEwmhStruts     *bool `cfg:"ignore_ewmh_struts"`
+
+	// monocole
+	PreselFeedback    *bool `cfg:"presel_feedback" default:"true"`
+	GaplessMonocle    *bool `cfg:"gapless_monocle"`
+	BorderlessMonocle *bool `cfg:"borderless_monocle"`
+	SingleMonocle     *bool `cfg:"single_monocle"`
+
+	// padding
+	TopPadding    *int `cfg:"top_padding"`
+	BottomPadding *int `cfg:"bottom_padding"`
+	LeftPadding   *int `cfg:"left_padding"`
+	RightPadding  *int `cfg:"right_padding"`
+
+	// monocle padding
+	TopMonoclePadding    *int `cfg:"top_monocle_padding"`
+	BottomMonoclePadding *int `cfg:"bottom_monocle_padding"`
+	LeftMonoclePadding   *int `cfg:"left_monocle_padding"`
+	RightMonoclePadding  *int `cfg:"right_monocle_padding"`
+
+	// splits
+	SplitRatio        *float64            `cfg:"split_ratio" default:"0.5"`
+	AutomaticScheme   *AUTOMATIC_SCHEME_T `cfg:"automatic_scheme"`
+	RemovalAdjustment *string             `cfg:"removal_adjustment"`
+
+	// gap
+	WindowGap           *int  `cfg:"window_gap"`
+	BorderlessSingleton *bool `cfg:"borderless_singleton"`
+	BorderWidth         *bool `cfg:"border_width"`
+
+	//colors
+	ActiveBorderColor   *ColorCode `cfg:"active_border_color"`
+	PreselFeedbackColor *ColorCode `cfg:"presel_feedback_color"`
+	FocusedBorderColor  *ColorCode `cfg:"focused_border_color"`
+	NormalBorderColor   *ColorCode `cfg:"normal_border_color"`
+
+	//monitor
+	RemoveDisabledMonitors   *bool `cfg:"remove_disabled_monitors"`
+	RemoveUnpluggedMonitors  *bool `cfg:"remove_unplugged_monitors"`
+	MergeOverlappingMonitors *bool `cfg:"merge_overlapping_monitors"`
+
+	// more
+	CenterPseudoTiled  *bool                    `cfg:"center_pseudo_tiled" default:"true"`
+	HonorSizeHints     *HONOR_SIZE_HINTS_MODE_T `cfg:"honor_size_hints"`
+	MappingEventsCount *int                     `cfg:"mapping_events_count" default:"1"`
+
+	//etc
+	DirectionalFocusTightness *TIGHTNESS_T      `cfg:"directional_focus_tightness"`
+	InitialPolarity           *CHILD_POLARITY_T `cfg:"initial_polarity"`
+}

src/bsp/loop.go

@@ -7,14 +7,14 @@ import (
 )
 
 type XWM struct {
-	w *WM
+	W *WM
-	x *xgbutil.XUtil
+	X *xgbutil.XUtil
 }
 
 func NewXWM(w *WM, x *xgbutil.XUtil) *XWM {
 	xwm := &XWM{
-		w: w,
+		W: w,
-		x: x,
+		X: x,
 	}
 	return xwm
 }

src/bsp/wm.go

@@ -2,22 +2,36 @@ package bsp
 
 import (
 	"sync"
+
+	"tuxpa.in/t/wm/src/bsp/cfg"
 )
 
 type WM struct {
 	Desktops []*Desktop
 	Monitors []*Monitor
 
+	Cfg *cfg.Modifier[*Config]
+
 	mu sync.RWMutex
 }
 
 type Desktop struct {
 	Name    string
 	Monitor *Monitor
+
+	Cfg *cfg.Modifier[Config]
 }
 
 type Monitor struct {
 	Name string
+
+	Cfg *cfg.Modifier[Config]
+}
+
+type Node struct {
+	Name string
+
+	Cfg *cfg.Modifier[Config]
 }
 
 func (w *WM) Mutate(fn func() error) {
@@ -41,6 +55,10 @@ func (w *WM) AddDesktop(name string) {
 }
 
 func NewWM() *WM {
-	w := &WM{}
+	w := &WM{
+		Cfg: cfg.NewModifier(&Config{}),
+	}
+	w.Cfg.FillDefaults()
+
 	return w
 }

src/copies/errors.go

@@ -2,6 +2,31 @@ package copies
 
 import "fmt"
 
+type ErrInvalidArgumentCount struct {
+	Name  string
+	Value int
+}
+
+func (u *ErrInvalidArgumentCount) Error() string {
+	return fmt.Sprintf(`Was expecting %s arguments, received %d.\n`, u.Name, u.Value)
+}
+
+type ErrInvalidValue struct {
+	Name  string
+	Value string
+}
+
+func (u *ErrInvalidValue) Error() string {
+	return fmt.Sprintf(`%s: Invalid value: '%s'.\n`, u.Name, u.Value)
+}
+
+func NewInvalidValueErr(n, v string) *ErrInvalidValue {
+	return &ErrInvalidValue{
+		Name:  n,
+		Value: v,
+	}
+}
+
 type ErrUnknownDomainOrCommand struct {
 	Str string
 }

src/handler/domains/common.go

@@ -1,15 +1,72 @@
 package domains
 
-import "tuxpa.in/t/wm/src/bsp"
+import (
+	"fmt"
+
+	"tuxpa.in/t/wm/src/bsp"
+	"tuxpa.in/t/wm/src/copies"
+	"tuxpa.in/t/wm/src/sock"
+)
 
 type inject struct {
 	xwm
 }
+type desktop_sel struct {
+	desktopsel string
+}
+
+func (n *desktop_sel) readDesktopSel(msg *sock.Msg) error {
+	if !msg.HasNext() {
+		return &copies.ErrMissingArguments{}
+	}
+	str := msg.Next()
+	switch str {
+	case "any", "first_ancestor",
+		"last", "newest", "older", "newer",
+		"focused", "pointed", "biggest", "smallest":
+		n.desktopsel = str
+	}
+	return nil
+}
+
+type node_sel struct {
+	nodesel string
+}
+
+func (n *node_sel) readNodeSel(msg *sock.Msg) error {
+	if !msg.HasNext() {
+		return &copies.ErrMissingArguments{}
+	}
+	str := msg.Next()
+	switch str {
+	case "any", "first_ancestor",
+		"last", "newest", "older", "newer",
+		"focused", "pointed", "biggest", "smallest":
+		n.nodesel = str
+	}
+	return nil
+}
+
+type cmd struct {
+	Command string
+}
+
+func (c *cmd) SetCommand(x string) {
+	c.Command = x
+}
+
+func (n *cmd) readCommand(msg *sock.Msg, c string) (bool, error) {
+	if n.Command == "" {
+		n.Command = c
+		return msg.HasNext(), nil
+	}
+	return false, fmt.Errorf("multiple commands given")
+}
 
 type xwm struct {
 	XWM *bsp.XWM
 }
 
-func (x xwm) SetXWM(z *bsp.XWM) {
+func (x *xwm) SetXWM(z *bsp.XWM) {
 	x.XWM = z
 }

src/handler/domains/config.go

@@ -0,0 +1,66 @@
+package domains
+
+import (
+	"fmt"
+
+	"tuxpa.in/t/wm/src/copies"
+	"tuxpa.in/t/wm/src/sock"
+)
+
+type Config struct {
+	UseNames bool
+
+	configKey   string
+	configValue string
+
+	cmd
+	inject
+}
+
+func (n *Config) Run(msg *sock.Msg) ([]byte, error) {
+	if !msg.HasNext() {
+		return nil, &copies.ErrMissingArguments{}
+	}
+	for {
+		ok, err := n.parse(msg)
+		if err != nil {
+			return nil, err
+		}
+		if !ok {
+			break
+		}
+	}
+	if n.configValue == "" {
+		str, err := n.XWM.W.Cfg.GetString(n.configKey)
+		return []byte(str), err
+	}
+	err := n.XWM.W.Cfg.Set(n.configKey, n.configValue)
+	if err != nil {
+		return nil, err
+	}
+	return nil, nil
+}
+
+func (n *Config) parse(msg *sock.Msg) (bool, error) {
+	if !msg.HasNext() {
+		return false, &copies.ErrMissingArguments{}
+	}
+	arg := msg.Next()
+	switch arg {
+	case "-d":
+		return n.readCommand(msg, "desktops")
+	case "-m":
+		return n.readCommand(msg, "monitors")
+	case "-n":
+		return n.readCommand(msg, "nodes")
+	default:
+		n.configKey = arg
+		if msg.HasNext() {
+			n.configValue = msg.Next()
+		}
+		if msg.HasNext() {
+			return false, &copies.ErrInvalidArgumentCount{Name: "2 or 3", Value: len(msg.Args())}
+		}
+		return false, fmt.Errorf(`unknown option: '%s'`, arg)
+	}
+}

src/handler/domains/node.go

@@ -1,14 +1,58 @@
 package domains
 
-import "tuxpa.in/t/wm/src/copies"
+import (
+	"fmt"
+
+	"tuxpa.in/t/wm/src/copies"
+	"tuxpa.in/t/wm/src/sock"
+)
 
 type Node struct {
+	UseNames bool
+
 	inject
+
+	cmd
 }
 
-func (n Node) Run(args ...string) error {
+func (n *Node) Run(msg *sock.Msg) ([]byte, error) {
-	if len(args) == 0 {
+	if !msg.HasNext() {
-		return &copies.ErrMissingArguments{}
+		return nil, &copies.ErrMissingArguments{}
 	}
-	return nil
+	for {
+		ok, err := n.parse(msg)
+		if err != nil {
+			return nil, err
+		}
+		if !ok {
+			break
+		}
+	}
+
+	return nil, nil
+}
+
+func (n *Node) parse(msg *sock.Msg) (bool, error) {
+	if !msg.HasNext() {
+		return false, &copies.ErrMissingArguments{}
+	}
+	arg := msg.Next()
+	switch arg {
+	case "--desktop", "-d":
+	case "--desktops", "-D":
+		return n.readCommand(msg, "desktops")
+	case "--monitor", "-m":
+	case "--monitors", "-M":
+		return n.readCommand(msg, "monitors")
+	case "--names":
+		n.UseNames = true
+	case "--node", "-n":
+	case "--nodes", "-N":
+		return n.readCommand(msg, "nodes")
+	case "--tree", "-T":
+		return n.readCommand(msg, "tree")
+	default:
+		return false, fmt.Errorf(`unknown option: '%s'`, arg)
+	}
+	return msg.HasNext(), nil
 }

src/handler/domains/query.go

@@ -9,14 +9,14 @@ import (
 )
 
 type Query struct {
-	Command string
-
 	UseNames bool
 
 	inject
+
+	cmd
 }
 
-func (n Query) Run(msg *sock.Msg) ([]byte, error) {
+func (n *Query) Run(msg *sock.Msg) ([]byte, error) {
 	if !msg.HasNext() {
 		return nil, &copies.ErrMissingArguments{}
 	}
@@ -41,7 +41,6 @@ func (n *Query) desktops(msg *sock.Msg) ([]byte, error) {
 	o := new(bytes.Buffer)
 	o.WriteString("hi there")
 	return o.Bytes(), nil
-
 }
 
 func (n *Query) parse(msg *sock.Msg) (bool, error) {
@@ -68,11 +67,3 @@ func (n *Query) parse(msg *sock.Msg) (bool, error) {
 	}
 	return msg.HasNext(), nil
 }
-
-func (n *Query) readCommand(msg *sock.Msg, c string) (bool, error) {
-	if n.Command == "" {
-		n.Command = c
-		return msg.HasNext(), nil
-	}
-	return false, fmt.Errorf("multiple commands given")
-}

src/handler/domains/wm.go

@@ -0,0 +1,58 @@
+package domains
+
+import (
+	"fmt"
+
+	"tuxpa.in/t/wm/src/copies"
+	"tuxpa.in/t/wm/src/sock"
+)
+
+type Wm struct {
+	UseNames bool
+
+	inject
+
+	cmd
+}
+
+func (n *Wm) Run(msg *sock.Msg) ([]byte, error) {
+	if !msg.HasNext() {
+		return nil, &copies.ErrMissingArguments{}
+	}
+	for {
+		ok, err := n.parse(msg)
+		if err != nil {
+			return nil, err
+		}
+		if !ok {
+			break
+		}
+	}
+
+	return nil, nil
+}
+
+func (n *Wm) parse(msg *sock.Msg) (bool, error) {
+	if !msg.HasNext() {
+		return false, &copies.ErrMissingArguments{}
+	}
+	arg := msg.Next()
+	switch arg {
+	case "--desktop", "-d":
+	case "--desktops", "-D":
+		return n.readCommand(msg, "desktops")
+	case "--monitor", "-m":
+	case "--monitors", "-M":
+		return n.readCommand(msg, "monitors")
+	case "--names":
+		n.UseNames = true
+	case "--node", "-n":
+	case "--nodes", "-N":
+		return n.readCommand(msg, "nodes")
+	case "--tree", "-T":
+		return n.readCommand(msg, "tree")
+	default:
+		return false, fmt.Errorf(`unknown option: '%s'`, arg)
+	}
+	return msg.HasNext(), nil
+}

src/sock/server.go

@@ -4,15 +4,11 @@ import (
 	"bytes"
 	"fmt"
 	"net"
-	"os"
 	"strings"
-
-	"github.com/jezek/xgbutil"
 )
 
 type SockListener struct {
-	xgb *xgbutil.XUtil
+	l *net.UnixListener
-	l   *net.UnixListener
 
 	ch chan *Msg
 }
@@ -20,32 +16,10 @@ type SockListener struct {
 func (s *SockListener) Msg() <-chan *Msg {
 	return s.ch
 }
-func (s *SockListener) X11() *xgbutil.XUtil {
-	return s.xgb
-}
-func getUnixAddr(xc *xgbutil.XUtil, path string) *net.UnixAddr {
-	if path == "" {
-		path = os.Getenv(SOCKET_ENV_VAR)
-	}
-	if path == "" {
-		path = fmt.Sprintf(SOCKET_PATH_TPL, "", xc.Conn().DisplayNumber, xc.Conn().DefaultScreen)
-	}
-	addr, err := net.ResolveUnixAddr("unix", path)
-	if err != nil {
-		panic(err)
-	}
-	return addr
-}
 
-func Server(path string) (*SockListener, error) {
+func Server(addr *net.UnixAddr) (*SockListener, error) {
 	s := &SockListener{}
 	s.ch = make(chan *Msg, 1)
-	xc, err := xgbutil.NewConn()
-	if err != nil {
-		return nil, err
-	}
-	s.xgb = xc
-	addr := getUnixAddr(xc, path)
 	conn, err := net.ListenUnix("unix", addr)
 	if err != nil {
 		return nil, err