/* Hello, Emacs, this is -*-C-*-
 * $Id: xlib.trm,v 1.29 2014/04/30 04:49:45 sfeam Exp $
 */

/* GNUPLOT - xlib.trm */

/*
 * xlib.trm - inboard terminal driver for X11 (dumps gnuplot_x11 commands)
 *
 * New implementation November 2003
 * Xlib_init() sets up the output channels, but otherwise all work is done
 * by the main x11.trm driver routines.
 * Ethan A Merritt <merritt@u.washington.edu>
 */

#include "driver.h"

#ifdef TERM_REGISTER
register_term(xlib)
#endif

#ifdef TERM_PROTO
TERM_PUBLIC void Xlib_init __PROTO((void));
TERM_PUBLIC void Xlib_text __PROTO((void));
TERM_PUBLIC void Xlib_reset __PROTO((void));
#define GOT_XLIB_PROTO
#endif

#ifndef TERM_PROTO_ONLY
#ifdef TERM_BODY

static FILE *X11_save_ipc = NULL;
#ifndef PIPE_IPC
    int ipc_back_fd = IPC_BACK_UNUSABLE;
#endif

TERM_PUBLIC void
Xlib_init()
{
    /* x11.trm thinks it is writing to a private pipe, but here we */
    /* set it to use the channel opened by 'set output <file>'     */
    X11_save_ipc = X11_ipc;
    X11_ipc = gpoutfile;

    /* There is, of course, no mouse feedback */
    ipc_back_fd = IPC_BACK_UNUSABLE;
    term_initialised = TRUE;
}

TERM_PUBLIC void
Xlib_text()
{
    ipc_back_fd = 1;	/* Force scaling info to be appended */
    X11_text();
    ipc_back_fd = IPC_BACK_UNUSABLE;
}

TERM_PUBLIC void
Xlib_reset()
{
    X11_ipc = X11_save_ipc;
}

#endif

#ifdef TERM_TABLE
TERM_TABLE_START(xlib_driver)
    "xlib", "X11 Window System (dump of gnuplot_x11 command stream)",
    X11_XMAX, X11_YMAX, X11_VCHAR, X11_HCHAR,
    X11_VTIC, X11_HTIC, X11_options, Xlib_init, Xlib_reset,
    Xlib_text, null_scale, X11_graphics, X11_move, X11_vector,
    X11_linetype, X11_put_text, X11_text_angle,
    X11_justify_text, X11_point, do_arrow, X11_set_font,
    X11_pointsize, TERM_CAN_MULTIPLOT|TERM_INIT_ON_REPLOT|TERM_CAN_DASH,
    X11_text /* suspend can use same routine */ , 0 /* resume */ ,
    X11_fillbox, X11_linewidth
#ifdef USE_MOUSE
    , NULL, NULL, NULL, NULL, NULL
#endif
    , X11_make_palette, 0 /* X11_previous_palette */ ,
    X11_set_color, X11_filled_polygon
    , X11_image
    , ENHX11_OPEN, ENHX11_FLUSH, do_enh_writec
    , NULL	/* layering */
    , NULL	/* path */
    , 0.0	/* tscale */
    , NULL	/* hypertext */
#ifdef EAM_BOXED_TEXT
    , ENHX11_boxed_text
#endif
    , NULL	/* modify_plots */
    , X11_dashtype
TERM_TABLE_END(xlib_driver)

#undef LAST_TERM
#define LAST_TERM xlib_driver

#endif /* TERM_TABLE */
#endif /* TERM_PROTO_ONLY */

#ifdef TERM_HELP
START_HELP(xlib)
"1 xlib",
"?commands set terminal xlib",
"?set terminal xlib",
"?set term xlib",
"?terminal xlib",
"?term xlib",
"?xlib",
" The `xlib` terminal driver supports the X11 Windows System.  It generates",
" gnuplot_x11 commands, but sends them to the output file specified by",
" `set output '<filename>'`. `set term x11` is equivalent to",
" `set output \"|gnuplot_x11 -noevents\"; set term xlib`.",
" `xlib` takes the same set of options as `x11`."
END_HELP(xlib)
#endif