check reachability once at method call

check_reachable.go

@@ -21,6 +21,10 @@ func (c *Client) IsReachable() bool {
 // and returns true as soon as IsReachable returns true.
 // When ctx is closed before Hyprland is reachable, false is returned
 func (c *Client) WaitUntilReachable(ctx context.Context) bool {
+	if c.IsReachable() {
+		return true
+	}
+
 	ticker := time.NewTicker(100 * time.Millisecond)
 	defer ticker.Stop()
 

get_clients.go

@@ -1,6 +1,7 @@
 package hypr
 
 import (
+	"context"
 	"errors"
 	"fmt"
 	"io"
@@ -68,3 +69,36 @@ func GetClients() ([]*Client, error) {
 
 	return clients, nil
 }
+
+func WaitForDefaultClient(ctx context.Context) (*Client, error) {
+	signature, ok := os.LookupEnv("HYPRLAND_INSTANCE_SIGNATURE")
+	if !ok {
+		return nil, errors.New("default instance not found because HYPRLAND_INSTANCE_SIGNATURE is not set")
+	}
+
+	return WaitForClient(ctx, signature)
+}
+
+func WaitForClient(ctx context.Context, signature string) (*Client, error) {
+	lockFilePath := fmt.Sprintf("/run/user/1000/hypr/%s/hyprland.lock", signature)
+
+	lockFileExists := waitFor(ctx, func() bool {
+		_, err := os.Stat(lockFilePath)
+		return !errors.Is(err, os.ErrNotExist)
+	})
+
+	if !lockFileExists {
+		return nil, errors.New("hyprland lock file not found")
+	}
+
+	client, err := GetClient(signature)
+	if err != nil {
+		return nil, err
+	}
+
+	if !client.WaitUntilReachable(context.Background()) {
+		return nil, errors.New("hyprland not reachable")
+	}
+
+	return client, nil
+}

model_window.go

@@ -3,30 +3,39 @@ package hypr
 import "encoding/json"
 
 type Window struct {
-	Address        string         `json:"address"`
-	Mapped         bool           `json:"mapped"`
-	Hidden         bool           `json:"hidden"`
-	At             [2]int         `json:"at"`
-	Size           [2]int         `json:"size"`
-	Workspace      WorkspaceIdent `json:"workspace"`
-	Floating       bool           `json:"floating"`
-	MonitorID      int            `json:"monitor"`
-	Class          string         `json:"class"`
-	Title          string         `json:"title"`
-	InitialClass   string         `json:"initialClass"`
-	InitialTitle   string         `json:"initialTitle"`
-	PID            int            `json:"pid"`
-	Xwayland       bool           `json:"xwayland"`
-	Pinned         bool           `json:"pinned"`
-	Fullscreen     bool           `json:"fullscreen"`
-	FullscreenMode int            `json:"fullscreenMode"`
-	FakeFullscreen bool           `json:"fakeFullscreen"`
-	Grouped        []interface{}  `json:"grouped"` // TODO
-	Swallowing     string         `json:"swallowing"`
-	FocusHistoryID int            `json:"focusHistoryID"`
+	Address          string          `json:"address"`
+	Mapped           bool            `json:"mapped"`
+	Hidden           bool            `json:"hidden"`
+	At               [2]int          `json:"at"`
+	Size             [2]int          `json:"size"`
+	Workspace        WorkspaceIdent  `json:"workspace"`
+	Floating         bool            `json:"floating"`
+	MonitorID        int             `json:"monitor"`
+	Class            string          `json:"class"`
+	Title            string          `json:"title"`
+	InitialClass     string          `json:"initialClass"`
+	InitialTitle     string          `json:"initialTitle"`
+	PID              int             `json:"pid"`
+	Xwayland         bool            `json:"xwayland"`
+	Pinned           bool            `json:"pinned"`
+	Fullscreen       FullscreenState `json:"fullscreen"`
+	FullscreenClient FullscreenState `json:"fullscreenClient"`
+	Grouped          []interface{}   `json:"grouped"` // TODO
+	Swallowing       string          `json:"swallowing"`
+	FocusHistoryID   int             `json:"focusHistoryID"`
 }
 
 func (w Window) String() string {
 	data, _ := json.MarshalIndent(w, "", "\t")
 	return string(data)
 }
+
+type FullscreenState int
+
+const (
+	FullscreenCurrent            FullscreenState = -1
+	FullscreenNone               FullscreenState = 0
+	FullscreenMaximize           FullscreenState = 1
+	FullscreenFullscreen         FullscreenState = 2
+	FullscreenMaximizeFullscreen FullscreenState = 3
+)

utils.go

@@ -1,9 +1,11 @@
 package hypr
 
 import (
+	"context"
 	"encoding/json"
 	"io"
 	"net"
+	"time"
 )
 
 func readSocketRaw(socket string, body io.Reader) (io.ReadCloser, error) {
@@ -49,3 +51,23 @@ func readSocket[T any](socket string, body io.Reader) (T, error) {
 
 	return *value, nil
 }
+
+func waitFor(ctx context.Context, condition func() bool) bool {
+	if condition() {
+		return true
+	}
+
+	ticker := time.NewTicker(100 * time.Millisecond)
+	defer ticker.Stop()
+
+	for {
+		select {
+		case <-ticker.C:
+			if condition() {
+				return true
+			}
+		case <-ctx.Done():
+			return false
+		}
+	}
+}