Adding a tooltip
In this final iteration, we will add a tooltip named the Balloon widget to all the buttons in our player.
A tooltip is a small popup that shows up when you hover your mouse over the Bound widget (buttons, in our case). A typical tooltip for the application will look like this:
Although core Tkinter has many useful widgets, it is far from complete. For us, the tooltip or Balloon widget is not provided as a core Tkinter widget. Therefore, we look for these widgets in what are called Tkinter extensions.
These extensions are nothing but a collection of extended Tkinter widgets, just like the custom seek bar that we created.
There are literally ...
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