python - Getting events while using Qt Designer -

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i developing application uses treeview. initially, used qt designer gui , after, compiled ui file python. until fine. want copy , paste file on pressing copy , paste buttons simultaneously. watched , read many tutorials used re implementation of qpushbutton. can't adopt technique because used designer create gui , cant make changes in file. please me figure out how can use qevents of treeview. hope question clear.


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