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Your task

In QTfrontend/ui/page/AbstracPage.cpp you can find the base class the form our main GUI: every page in the fronted is a subclass of AbstracPage and inherits the base structure. In this task you have to add a couple of virtual methods that allow to perform actions on page load and page leave, and have a few pages use the new system.

Deliverable

A working patch, that applies cleanly to our source tree. This patch should be in the form of a pull from clone, hg export or unified diff format (in order of preference) implementing the functionality required.