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| <TITLE>panel 3x</TITLE> |
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| <H1>panel 3x</H1> |
| <HR> |
| <PRE> |
| <!-- Manpage converted by man2html 3.0.1 --> |
| <STRONG><A HREF="panel.3x.html">panel(3x)</A></STRONG> <STRONG><A HREF="panel.3x.html">panel(3x)</A></STRONG> |
| |
| |
| |
| |
| </PRE> |
| <H2>NAME</H2><PRE> |
| panel - panel stack extension for curses |
| |
| |
| </PRE> |
| <H2>SYNOPSIS</H2><PRE> |
| <STRONG>#include</STRONG> <STRONG><panel.h></STRONG> |
| |
| <STRONG>cc</STRONG> <STRONG>[flags]</STRONG> <STRONG>sourcefiles</STRONG> <STRONG>-lpanel</STRONG> <STRONG>-lncurses</STRONG> |
| |
| <STRONG>PANEL</STRONG> <STRONG>*new_panel(WINDOW</STRONG> <STRONG>*win)</STRONG> |
| <STRONG>int</STRONG> <STRONG>bottom_panel(PANEL</STRONG> <STRONG>*pan)</STRONG> |
| <STRONG>int</STRONG> <STRONG>top_panel(PANEL</STRONG> <STRONG>*pan)</STRONG> |
| <STRONG>int</STRONG> <STRONG>show_panel(PANEL</STRONG> <STRONG>*pan)</STRONG> |
| <STRONG>void</STRONG> <STRONG>update_panels();</STRONG> |
| <STRONG>int</STRONG> <STRONG>hide_panel(PANEL</STRONG> <STRONG>*pan)</STRONG> |
| <STRONG>WINDOW</STRONG> <STRONG>*panel_window(const</STRONG> <STRONG>PANEL</STRONG> <STRONG>*pan)</STRONG> |
| <STRONG>int</STRONG> <STRONG>replace_panel(PANEL</STRONG> <STRONG>*pan,</STRONG> <STRONG>WINDOW</STRONG> <STRONG>*window)</STRONG> |
| <STRONG>int</STRONG> <STRONG>move_panel(PANEL</STRONG> <STRONG>*pan,</STRONG> <STRONG>int</STRONG> <STRONG>starty,</STRONG> <STRONG>int</STRONG> <STRONG>startx)</STRONG> |
| <STRONG>int</STRONG> <STRONG>panel_hidden(const</STRONG> <STRONG>PANEL</STRONG> <STRONG>*pan)</STRONG> |
| <STRONG>PANEL</STRONG> <STRONG>*panel_above(const</STRONG> <STRONG>PANEL</STRONG> <STRONG>*pan)</STRONG> |
| <STRONG>PANEL</STRONG> <STRONG>*panel_below(const</STRONG> <STRONG>PANEL</STRONG> <STRONG>*pan)</STRONG> |
| <STRONG>int</STRONG> <STRONG>set_panel_userptr(PANEL</STRONG> <STRONG>*pan,</STRONG> <STRONG>const</STRONG> <STRONG>void</STRONG> <STRONG>*ptr)</STRONG> |
| <STRONG>const</STRONG> <STRONG>void</STRONG> <STRONG>*panel_userptr(const</STRONG> <STRONG>PANEL</STRONG> <STRONG>*pan)</STRONG> |
| <STRONG>int</STRONG> <STRONG>del_panel(PANEL</STRONG> <STRONG>*pan)</STRONG> |
| |
| |
| </PRE> |
| <H2>DESCRIPTION</H2><PRE> |
| Panels are <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG> 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 <STRONG>stdscr</STRONG> window are hidden or displayed when panels |
| are added, moved, modified or removed. The set of cur- |
| rently visible panels is the stack of panels. The <STRONG>stdscr</STRONG> |
| window is beneath all panels, and is not considered part |
| of the stack. |
| |
| A window is associated with every panel. The panel rou- |
| tines enable you to create, move, hide, and show panels, |
| as well as position a panel at any desired location in the |
| stack. |
| |
| Panel routines are a functional layer added to <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, |
| make only high-level curses calls, and work anywhere ter- |
| minfo curses does. |
| |
| |
| </PRE> |
| <H2>FUNCTIONS</H2><PRE> |
| <STRONG>new_panel(win)</STRONG> |
| allocates a <STRONG>PANEL</STRONG> structure, associates it with |
| <STRONG>win</STRONG>, 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. |
| |
| <STRONG>update_panels()</STRONG> |
| refreshes the virtual screen to reflect the rela- |
| tions between the panels in the stack, but does not |
| call doupdate() to refresh the physical screen. |
| Use this function and not wrefresh or wnoutrefresh. |
| update_panels() may be called more than once before |
| a call to doupdate(), but doupdate() is the func- |
| tion responsible for updating the physical screen. |
| |
| <STRONG>del_panel(pan)</STRONG> |
| removes the given panel from the stack and deallo- |
| cates the <STRONG>PANEL</STRONG> structure (but not its associated |
| window). |
| |
| <STRONG>hide_panel(pan)</STRONG> |
| removes the given panel from the panel stack and |
| thus hides it from view. The <STRONG>PANEL</STRONG> structure is not |
| lost, merely removed from the stack. |
| |
| <STRONG>panel_hidden(pan)</STRONG> |
| returns TRUE if the panel is in the panel stack, |
| FALSE if it is not. If the panel is a null |
| pointer, return ERR. |
| |
| <STRONG>show_panel(pan)</STRONG> |
| makes a hidden panel visible by placing it on top |
| of the panels in the panel stack. See COMPATIBILITY |
| below. |
| |
| <STRONG>top_panel(pan)</STRONG> |
| puts the given visible panel on top of all panels |
| in the stack. See COMPATIBILITY below. |
| |
| <STRONG>bottom_panel(pan)</STRONG> |
| puts panel at the bottom of all panels. |
| |
| <STRONG>move_panel(pan,starty,startx)</STRONG> |
| moves the given panel window so that its upper-left |
| corner is at <STRONG>starty</STRONG>, <STRONG>startx</STRONG>. It does not change |
| the position of the panel in the stack. Be sure to |
| use this function, not <STRONG>mvwin()</STRONG>, to move a panel |
| window. |
| |
| <STRONG>replace_panel(pan,window)</STRONG> |
| replaces the current window of panel with <STRONG>window</STRONG> |
| (useful, for example if you want to resize a panel; |
| if you're using <STRONG>ncurses</STRONG>, you can call <STRONG>replace_panel</STRONG> |
| on the output of <STRONG><A HREF="wresize.3x.html">wresize(3x)</A></STRONG>). It does not change |
| the position of the panel in the stack. |
| |
| <STRONG>panel_above(pan)</STRONG> |
| returns a pointer to the panel above pan. If the |
| panel argument is <STRONG>(PANEL</STRONG> <STRONG>*)0</STRONG>, it returns a pointer |
| to the bottom panel in the stack. |
| |
| <STRONG>panel_below(pan)</STRONG> |
| returns a pointer to the panel just below pan. If |
| the panel argument is <STRONG>(PANEL</STRONG> <STRONG>*)0</STRONG>, it returns a |
| pointer to the top panel in the stack. |
| |
| <STRONG>set_panel_userptr(pan,ptr)</STRONG> |
| sets the panel's user pointer. |
| |
| <STRONG>panel_userptr(pan)</STRONG> |
| returns the user pointer for a given panel. |
| |
| <STRONG>panel_window(pan)</STRONG> |
| returns a pointer to the window of the given panel. |
| |
| |
| </PRE> |
| <H2>DIAGNOSTICS</H2><PRE> |
| Each routine that returns a pointer returns <STRONG>NULL</STRONG> if an |
| error occurs. Each routine that returns an int value |
| returns <STRONG>OK</STRONG> if it executes successfully and <STRONG>ERR</STRONG> if not. |
| |
| |
| </PRE> |
| <H2>COMPATIBILITY</H2><PRE> |
| 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 interface is unchanged). The <STRONG>PANEL</STRONG> data |
| structures are merely similar. The programmer is cau- |
| tioned not to directly use <STRONG>PANEL</STRONG> fields. |
| |
| The functions <STRONG>show_panel()</STRONG> and <STRONG>top_panel()</STRONG> are identical |
| in this implementation, and work equally well with dis- |
| played or hidden panels. In the native System V implemen- |
| tation, <STRONG>show_panel()</STRONG> is intended for making a hidden panel |
| visible (at the top of the stack) and <STRONG>top_panel()</STRONG> 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 |
| libraries. |
| |
| |
| </PRE> |
| <H2>NOTE</H2><PRE> |
| In your library list, libpanel.a should be before libn- |
| curses.a; that is, you want to say `-lpanel -lncurses', |
| not the other way around (which would usually give a link- |
| error). |
| |
| |
| </PRE> |
| <H2>FILES</H2><PRE> |
| panel.h interface for the panels library |
| |
| libpanel.a the panels library itself |
| |
| |
| </PRE> |
| <H2>SEE ALSO</H2><PRE> |
| <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG> |
| |
| This describes <STRONG>ncurses</STRONG> version 5.6 (patch 20081011). |
| |
| |
| </PRE> |
| <H2>AUTHOR</H2><PRE> |
| Originally written by Warren Tucker <wht@n4hgf.mt- |
| park.ga.us>, primarily to assist in porting u386mon to |
| systems without a native panels library. Repackaged for |
| ncurses by Zeyd ben-Halim. |
| |
| |
| |
| <STRONG><A HREF="panel.3x.html">panel(3x)</A></STRONG> |
| </PRE> |
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