Custom collapsible widgets area.
Connect events.
Error on kafka.
If produser connected is posible the consumer too.
The status is update each 3 seconds.
Load custom fonts.
Register annotations and markers.
Save in a file all the child subprocess.
Collapse widgets area.
Change some styles.
The Qt resource system has been deprecated.
Display about window.
Show configuration window.
Switch between environs.
Call on_focus method for all widgets.
Update messages for status bar.
Stop kafka.
Set the styles for home page.
Try to restart kafka services.
Set the host for kafka.
Basic consumer to check stream status and availability.
The produser is used for stream annotations and markers.
Start the produser and consumer for Kafka.
Kill the thread.