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PANEL_HIDDEN(3) FreeBSD Library Functions Manual PANEL_HIDDEN(3) NAME hide_panel, show_panel, panel_hidden - visibility of panels LIBRARY Z-order for curses windows (libpanel, -lpanel) SYNOPSIS #include <panel.h> int hide_panel(PANEL *p); int show_panel(PANEL *p); int panel_hidden(PANEL *p); DESCRIPTION Panels are initially created visible. The function hide_panel() can be used to hide a panel. The panel is removed from the deck. A panel can be made visible again with a call to show_panel(). The panel is returned to the top of the deck. The current visibility status of a panel can be queried with panel_hidden(). IMPLEMENTATION NOTES The show_panel() function will return an error if the panel is already visible. Use top_panel(3) to change z-order of an already visible panel. This is the behaviour specified by the original AT&T System V UNIX panel library. In the ncurses implementation of the panel library show_panel() and top_panel() are identical and handle both visible and hidden panels. This may be a source of bugs in programs tested only against ncurses. RETURN VALUES The panel_hidden() function returns TRUE or FALSE. It will return ERR if passed a null pointer. Other functions will return one of the following values: OK The function completed successfully. ERR An error occurred in the function. SEE ALSO panel(3) FreeBSD 14.1-RELEASE-p8 October 28, 2015 FreeBSD 14.1-RELEASE-p8