Stop the current video, process events, and clear the video_display_label.

Stop recording, stop the timer, and reset widget states.

Depending upon which tab the user is currently looking at, the information for that tab needs to be updated. This function updates the differe

If self.antialiasing_check_box.isChecked() is True, turn on antialiasing.

Once the chatbot has been trained, display messages to the user and start chatting.

Updates the timer and the current QLCDNumber widget. Also, update the task counter if a task is set.

A video is a collection of images played together in quick succession. For each frame (image) in the video, convert it to a QImage object to

A video is a collection of images played together in quick succession. For each frame (image) in the video, convert it to a QImage object to

Reimplement the scroll wheel on the mouse for zooming in and out on the chart.