python pack() and grid() methods together

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You cannot use both pack and grid on widgets that have the same master. The first one will adjust the size of the widget. The other will see the change, and resize everything to fit it’s own constraints. The first will see these changes and resize everything again to fit its constraints. The other will see the changes, and so on ad infinitum. They will be stuck in an eternal struggle for supremacy.

While it is technically possible if you really, really know what you’re doing, for all intents and purposes you can’t mix them in the same container. You can mix them all you want in your app as a whole, but for a given container (typically, a frame), you can use only one to manage the direct contents of the container.

A very common technique is to divide your GUI into pieces. In your case you have a bottom statusbar, and a top “main” area. So, pack the statusbar along the bottom and create a frame that you pack above it for the main part of the GUI. Then, everything else has the main frame as its parent, and inside that frame you can use grid or pack or whatever you want.

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