Adding missing implementation of tabbed_display::selected_tab #957
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This pull request adds a few lines to provide a getter for the selected tab in a tabbed_display.
In
dlib/gui_widgets/widgets_abstract.h:1115
there is a getter for the currently selected tab in a tabbed_display. However,widgets.h
andwidget.cpp
missed this, which I figured out when my code wouldn't link properly.Out of curiosity, what is the reason to have basically two almost identical header definitions of the tabbed_display, one in
widgets.h
and one inwidgets_abstract.h
? The latter seems not to be picked up by the compiler (without my changes inwidgets.h
the new function wouldn't compile) and seems to be there mostly for the documentation purpose?