RedHat 9 (Linux i386) - man page for update_panels (redhat section 3X)

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panel(3X)										panel(3X)

       panel - panel stack extension for curses

       #include <panel.h>

       cc [flags] sourcefiles -lpanel -lncurses

       PANEL *new_panel(WINDOW *win)
       int bottom_panel(PANEL *pan)
       int top_panel(PANEL *pan)
       int show_panel(PANEL *pan)
       void update_panels();
       int hide_panel(PANEL *pan)
       WINDOW *panel_window(const PANEL *pan)
       int replace_panel(PANEL *pan, WINDOW *window)
       int move_panel(PANEL *pan, int starty, int startx)
       int panel_hidden(const PANEL *pan)
       PANEL *panel_above(const PANEL *pan)
       PANEL *panel_below(const PANEL *pan)
       int set_panel_userptr(PANEL *pan, const void *ptr)
       const void *panel_userptr(const PANEL *pan)
       int del_panel(PANEL *pan)

       Panels  are curses(3X) windows with the added feature of depth.	Panel functions allow the
       use of stacked windows and ensure the proper portions of each window and the curses stdscr
       window are hidden or displayed when panels are added, moved, modified or removed.  The set
       of currently visible panels is the stack of panels.  The stdscr window is beneath all pan-
       els, and is not considered part of the stack.

       A  window  is  associated with every panel. The panel routines enable you to create, move,
       hides, and show panels, as well as position a panel at any desired location in the stack.

       Panel routines are a functional layer added to curses(3X),  make  only  high-level  curses
       calls, and work anywhere terminfo curses does.

	      allocates   a  PANEL structure, associates it with win, places the panel on the top
	      of the stack  (causes  it to  be	displayed above any other panel)  and  returns	a
	      pointer to the new panel.

       void update_panels()
	      refreshes  the  virtual  screen  to reflect the relations between the panels in the
	      stack, but does not call doupdate() to refresh the physical screen.  Use this func-
	      tion  and  not  wrefresh	or wnoutrefresh.  update_panels() may be called more than
	      once before a call to doupdate(), but doupdate() is the  function  responsible  for
	      updating the physical screen.

	      removes  the  given  panel from the  stack and deallocates the PANEL structure (but
	      not its associated window).

	      removes the given panel from the panel stack and thus hides it from view. The PANEL
	      structure is not lost, merely removed from the stack.

	      makes a hidden panel visible by placing it on top of the panels in the panel stack.
	      See COMPATIBILITY below.

	      puts the given visible panel on top of all panels in the stack.  See  COMPATIBILITY

	      puts panel at the bottom of all panels.

	      moves  the  given  panel window so that its upper-left corner is at starty, startx.
	      It does not change the position of the panel in the stack.  Be  sure  to	use  this
	      function, not mvwin(), to move a panel window.

	      replaces	the  current window of panel with window (useful, for example if you want
	      to resize a panel; if you're using ncurses, you can call replace_panel on the  out-
	      put of wresize(3X)).  It does not change the position of the panel in the stack.

	      returns  a pointer to the panel above pan.  If the panel argument is (PANEL *)0, it
	      returns a pointer to the bottom panel in the stack.

	      returns a pointer to the panel just below pan.  If the  panel  argument  is  (PANEL
	      *)0, it returns a pointer to the top panel in the stack.

	      sets the panel's user pointer.

	      returns the user pointer for a given panel.

	      returns a pointer to the window of the given panel.

       Each  routine  that  returns  a pointer returns NULL if an error occurs. Each routine that
       returns an int value returns OK if it executes successfully and ERR if not.

       Reasonable care has been taken to  ensure  compatibility with  the  native  panel facility
       introduced  in SVr3.2 (inspection of the SVr4 manual pages suggests the programming inter-
       face is unchanged).  The PANEL data structures are merely   similar.  The   programmer  is
       cautioned not to directly use PANEL fields.

       The  functions show_panel() and top_panel() are identical in this implementation, and work
       equally well with displayed or hidden panels.  In  the  native  System  V  implementation,
       show_panel()  is  intended for making a hidden panel visible (at the top of the stack) and
       top_panel() is intended for making an already-visible panel move to the top of the  stack.
       You  are  cautioned  to use the correct function to ensure compatibility with native panel

       In your library list, libpanel.a should be before libncurses.a; that is, you want  to  say
       `-lpanel -lncurses', not the other way around (which would give you a link error using GNU
       ld(1) and some other linkers).

       panel.h interface for the panels library

       libpanel.a the panels library itself


       Originally written by Warren Tucker  <>,	primarily  to  assist  in
       porting	u386mon  to  systems  without a native panels library.	Repackaged for ncurses by
       Zeyd ben-Halim.

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