/*
 * This file is part of the GROMACS molecular simulation package.
 *
 * Copyright 1991- The GROMACS Authors
 * and the project initiators Erik Lindahl, Berk Hess and David van der Spoel.
 * Consult the AUTHORS/COPYING files and https://www.gromacs.org for details.
 *
 * GROMACS is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1
 * of the License, or (at your option) any later version.
 *
 * GROMACS is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with GROMACS; if not, see
 * https://www.gnu.org/licenses, or write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA.
 *
 * If you want to redistribute modifications to GROMACS, please
 * consider that scientific software is very special. Version
 * control is crucial - bugs must be traceable. We will be happy to
 * consider code for inclusion in the official distribution, but
 * derived work must not be called official GROMACS. Details are found
 * in the README & COPYING files - if they are missing, get the
 * official version at https://www.gromacs.org.
 *
 * To help us fund GROMACS development, we humbly ask that you cite
 * the research papers on the package. Check out https://www.gromacs.org.
 */

#ifndef _Xstuff_h
#define _Xstuff_h

/* The altivec extensions for ppc define some stupid overlapping
 * macros like pixel and vector - turn them off here, we only
 * need them in the inner loops.
 */
#ifdef __VEC__
#    undef pixel
#endif

#include <X11/Xlib.h>
#include <X11/Xresource.h>
#include <X11/Xutil.h>
#include <X11/cursorfont.h>
#include <X11/keysym.h>

#ifdef None
#    define X11None 0L
#    undef None
#endif

#ifdef _acc_
typedef unsigned char bmchar;
#else
typedef char bmchar;
#endif /* _acc */

#define XTextHeight(font) ((font)->max_bounds.ascent + (font)->max_bounds.descent)
#define XDrawCircle(disp, win, gc, x, y, rad) \
    XDrawArc(disp, win, gc, (x) - (rad), (y) - (rad), 2 * (rad), 2 * (rad), 0, 64 * 360)
#define XFillCircle(disp, win, gc, x, y, rad) \
    XFillArc(disp, win, gc, (x) - (rad), (y) - (rad), 2 * (rad), 2 * (rad), 0, 64 * 360)

#ifdef NEED_XSTUFF

extern void XSelectInput(Display* display, Window w, long event_mask);
extern void XChangeWindowAttributes(Display*              display,
                                    Window                w,
                                    unsigned long         valuemask,
                                    XSetWindowAttributes* attributes);
extern void XSetWindowBackgroundPixmap(Display* disp, Drawable d, Pixmap pm);
extern Status XMatchVisualInfo(Display* display, int screen, int depth, int class, XVisualInfo* vinfo_return);
extern Status XParseColor(Display* display, Colormap colormap, char* spec, XColor* exact_def_return);
extern Status XAllocColor(Display* display, Colormap colormap, XColor* screen_in_out);
extern Status XAllocNamedColor(Display* disp, Colormap cmap, char* colorname, XColor* colorcell_def, XColor* rgb_db_def);
extern Status XQueryColor(Display* disp, Colormap cmap, XColor* colorcell_def);
extern void   XDrawArc(Display*     display,
                       Drawable     d,
                       GC           gc,
                       int          x,
                       int          y,
                       unsigned int width,
                       unsigned int height,
                       int          angle1,
                       int          angle2);
extern void   XFillArc(Display*     display,
                       Drawable     d,
                       GC           gc,
                       int          x,
                       int          y,
                       unsigned int width,
                       unsigned int height,
                       int          angle1,
                       int          angle2);
extern void   XDrawLine(Display* display, Drawable d, GC gc, int x1, int y1, int x2, int y2);
extern void XDrawLines(Display* display, Drawable d, GC gc, XPoint* points, int npoints, int mode);

extern void XMapWindow(Display* display, Window w);
extern void XMapSubwindows(Display* display, Window w);
extern void XUnmapSubwindows(Display* display, Window w);
extern void XUnmapWindow(Display* display, Window w);

extern void XNextEvent(Display* display, XEvent* report);
extern Bool XCheckTypedEvent(Display* display, int event_type, XEvent* event_return);
extern void XSetForeground(Display* display, GC gc, unsigned long foreground);
extern void XClearWindow(Display* disp, Window w);
extern void XClearArea(Display* display, Window w, int x, int y, unsigned int width, unsigned int height, Bool exposures);
extern void XDrawRectangle(Display* display, Drawable d, GC gc, int x, int y, int width, int height);
extern void XDrawRectangles(Display* display, Drawable d, GC gc, XRectangle rectangles[], int nrectangles);
extern void XDrawString(Display* display, Drawable d, GC gc, int x, int y, char* string, int length);
extern void XDrawLine(Display* display, Drawable d, GC gc, int x1, int y1, int x2, int y2);
extern void XSetStandardProperties(Display*    display,
                                   Window      w,
                                   char*       window_name,
                                   char*       icon_name,
                                   Pixmap      icon_pixmap,
                                   char**      argv,
                                   int         argc,
                                   XSizeHints* hints);
extern int  XLookupString(XKeyEvent*      event_struct,
                          char*           buffer_return,
                          int             bytes_buffer,
                          KeySym*         keysym_return,
                          XComposeStatus* status_in_out);
extern void XSetGraphicsExposures(Display* display, GC gc, Bool graphics_exposures);
extern void XMapRaised(Display* display, Window w);
extern void XSync(Display* display, Bool discard);
extern void XFlush(Display* display);
extern void XSetStandardProperties(Display*    display,
                                   Window      w,
                                   char*       window_name,
                                   char*       icon_name,
                                   Pixmap      icon_pixmap,
                                   char**      argv,
                                   int         argc,
                                   XSizeHints* hints);
extern Status XSendEvent(Display* display, Window w, Bool propagate, long event_mask, XEvent* event_send);
extern void XFreeGC(Display* display, GC gc);
extern void XCloseDisplay(Display* display);

extern void XNextEvent(Display* display, XEvent* report);
extern Bool XCheckTypedEvent(Display* display, int event_type, XEvent* event_return);
extern void XSetForeground(Display* display, GC gc, unsigned long foreground);
extern Bool XCheckMaskEvent(Display* display, long event_mask, XEvent* event_return);

extern int  XResizeWindow(Display* display, Window w, unsigned int width, unsigned int height);
extern int  XMoveWindow(Display* display, Window w, unsigned int x, unsigned int y);
extern void XFreePixmap(Display* display, Pixmap pixmap);
extern void XCopyGC(Display* display, GC src, long valuemask, GC dest);
extern int  XTextWidth(XFontStruct* font_struct, char* string, int count);
extern void XSetDashes(Display* display, GC gc, int dash_offset, unsigned char dash_list[], int n);
extern void XBell(Display* disp, int volume);
extern void XDrawRectangle(Display* disp, Drawable d, GC gc, int x, int y, int w, int h);
extern void XFillRectangle(Display* disp, Drawable d, GC gc, int x, int y, int w, int h);

extern void XDestroySubwindows(Display* disp, Window Win);
extern void XDestroyWindow(Display* disp, Window Win);
extern void XQueryPointer(Display*      disp,
                          Window        Win,
                          Window*       root,
                          Window*       child,
                          int*          root_x,
                          int*          root_y,
                          int*          win_x,
                          int*          win_y,
                          unsigned int* keybut);
extern void XWarpPointer(Display*     disp,
                         Window       src,
                         Window       dest,
                         int          src_x,
                         int          src_y,
                         unsigned int src_w,
                         unsigned int src_h,
                         int          dest_x,
                         int          dest_y);
extern void XGetGeometry(Display*      disp,
                         Window        w,
                         Window*       root,
                         int*          x,
                         int*          y,
                         unsigned int* width,
                         unsigned int* height,
                         unsigned int* border_width,
                         unsigned int* depth);
#endif /* NEED_XSTUFF */

#endif /* _Xstuff_h */
