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Diffstat (limited to 'hacks/screenhackI.h')
| -rw-r--r-- | hacks/screenhackI.h | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/hacks/screenhackI.h b/hacks/screenhackI.h new file mode 100644 index 0000000..b53ef74 --- /dev/null +++ b/hacks/screenhackI.h @@ -0,0 +1,162 @@ +/* xscreensaver, Copyright (c) 1992-2018 Jamie Zawinski <jwz@jwz.org> + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation. No representations are made about the suitability of this + * software for any purpose. It is provided "as is" without express or + * implied warranty. + */ + +/* Found in Don Hopkins' .plan file: + * + * The color situation is a total flying circus. The X approach to + * device independence is to treat everything like a MicroVax framebuffer + * on acid. A truely portable X application is required to act like the + * persistent customer in the Monty Python ``Cheese Shop'' sketch. Even + * the simplest applications must answer many difficult questions, like: + * + * WHAT IS YOUR DISPLAY? + * display = XOpenDisplay("unix:0"); + * WHAT IS YOUR ROOT? + * root = RootWindow(display, DefaultScreen(display)); + * AND WHAT IS YOUR WINDOW? + * win = XCreateSimpleWindow(display, root, 0, 0, 256, 256, 1, + * BlackPixel(display, DefaultScreen(display)), + * WhitePixel(display, DefaultScreen(display))) + * OH ALL RIGHT, YOU CAN GO ON. + * + * WHAT IS YOUR DISPLAY? + * display = XOpenDisplay("unix:0"); + * WHAT IS YOUR COLORMAP? + * cmap = DefaultColormap(display, DefaultScreen(display)); + * AND WHAT IS YOUR FAVORITE COLOR? + * favorite_color = 0; / * Black. * / + * / * Whoops! No, I mean: * / + * favorite_color = BlackPixel(display, DefaultScreen(display)); + * / * AAAYYYYEEEEE!! (client dumps core & falls into the chasm) * / + * + * WHAT IS YOUR DISPLAY? + * display = XOpenDisplay("unix:0"); + * WHAT IS YOUR VISUAL? + * struct XVisualInfo vinfo; + * if (XMatchVisualInfo(display, DefaultScreen(display), + * 8, PseudoColor, &vinfo) != 0) + * visual = vinfo.visual; + * AND WHAT IS THE NET SPEED VELOCITY OF AN XConfigureWindow REQUEST? + * / * Is that a SubStructureRedirectMask or a ResizeRedirectMask? * / + * WHAT?! HOW AM I SUPPOSED TO KNOW THAT? + * AAAAUUUGGGHHH!!!! (server dumps core & falls into the chasm) + */ + +#ifndef __SCREENHACK_I_H__ +#define __SCREENHACK_I_H__ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif /* HAVE_CONFIG_H */ + +#include <stdio.h> +#include <stdlib.h> +#include <math.h> +#include <time.h> + +#ifdef __hpux + /* Which of the ten billion standards does values.h belong to? + What systems always have it? */ +# include <values.h> +#endif + +#ifdef HAVE_JWXYZ +# include "jwxyz.h" +# include <string.h> /* X11/Xos.h brings this in. */ +/* From utils/visual.c. */ +# define DEFAULT_VISUAL -1 +# define GL_VISUAL -6 +#else /* real X11 */ +# include <X11/Xlib.h> +# include <X11/Xutil.h> +# include <X11/Xresource.h> +# include <X11/Xos.h> +#endif /* !HAVE_JWXYZ */ + +#if defined(USE_IPHONE) || defined(HAVE_ANDROID) +# define HAVE_MOBILE +#endif + +#ifdef HAVE_ANDROID + /* So that hacks' debug output shows up in logcat... */ +# undef fprintf +# define fprintf(S, ...) Log(__VA_ARGS__) +#endif + +/* M_PI ought to have been defined in math.h, but... */ +#ifndef M_PI +# define M_PI 3.1415926535 +#endif + +#ifndef M_PI_2 +# define M_PI_2 1.5707963267 +#endif + +#ifndef Button6 +# define Button6 6 +# define Button7 7 +#endif + +#include "yarandom.h" +#include "usleep.h" +#include "resources.h" +#include "hsv.h" +#include "colors.h" +#include "grabscreen.h" +#include "visual.h" +#include "fps.h" +#include "font-retry.h" + +#ifdef HAVE_RECORD_ANIM +# include "recanim.h" +#endif + +/* Be Posixly correct */ +#undef bzero +#define bzero __ERROR_use_memset_not_bzero_in_xscreensaver__ +#undef bcopy +#define bcopy __ERROR_use_memcpy_not_bcopy_in_xscreensaver__ +#undef ftime +#define ftime __ERROR_use_gettimeofday_not_ftime_in_xscreensaver__ +#undef sleep +#define sleep __ERROR_do_not_sleep_in_xscreensaver__ + +extern Bool mono_p; + +struct xscreensaver_function_table { + + const char *progclass; + const char * const *defaults; + const XrmOptionDescRec *options; + + void (*setup_cb) (struct xscreensaver_function_table *, void *); + void * setup_arg; + + void * (*init_cb) (Display *, Window); + unsigned long (*draw_cb) (Display *, Window, void *); + void (*reshape_cb) (Display *, Window, void *, + unsigned int w, unsigned int h); + Bool (*event_cb) (Display *, Window, void *, XEvent *); + void (*free_cb) (Display *, Window, void *); + void (*fps_cb) (Display *, Window, fps_state *, void *); + +# ifndef HAVE_JWXYZ + Visual * (*pick_visual_hook) (Screen *); + Bool (*validate_visual_hook) (Screen *, const char *, Visual *); +# else + int visual; +# endif + +}; + +extern const char *progname; + +#endif /* __SCREENHACK_I_H__ */ |