add "inputs" page

Signed-off-by: Hadi <[email protected]>

internal/input/hyprctl.go

@@ -0,0 +1,53 @@
+package input
+
+import (
+	"bytes"
+	"context"
+	"errors"
+	"fmt"
+	"os/exec"
+	"strings"
+	"time"
+)
+
+var ErrNotFound = errors.New("hyprctl not found in PATH")
+
+const defaultTimeout = 15 * time.Second
+
+func CheckAvailable() error {
+	if _, err := exec.LookPath("hyprctl"); err != nil {
+		return ErrNotFound
+	}
+	_, err := run("version")
+	return err
+}
+
+func Reset() error {
+	_, err := run("reload")
+	return err
+}
+
+func run(args ...string) (string, error) {
+	ctx, cancel := context.WithTimeout(context.Background(), defaultTimeout)
+	defer cancel()
+
+	cmd := exec.CommandContext(ctx, "hyprctl", args...)
+	var stdout, stderr bytes.Buffer
+	cmd.Stdout = &stdout
+	cmd.Stderr = &stderr
+
+	if err := cmd.Run(); err != nil {
+		if errors.Is(err, exec.ErrNotFound) {
+			return "", ErrNotFound
+		}
+		msg := strings.TrimSpace(stderr.String())
+		if msg == "" {
+			msg = strings.TrimSpace(stdout.String())
+		}
+		if msg == "" {
+			msg = err.Error()
+		}
+		return "", fmt.Errorf("hyprctl %s: %s", strings.Join(args, " "), msg)
+	}
+	return stdout.String(), nil
+}