-/* xscreensaver, Copyright (c) 1993 Jamie Zawinski <jwz@mcom.com>
+/* xscreensaver, Copyright (c) 1993-2006 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
* implied warranty.
*/
-#ifdef VMS
-#include "config.h"
-#endif /* VMS */
+#ifndef __XSCREENSAVER_H__
+#define __XSCREENSAVER_H__
-#if __STDC__
-# include <stdlib.h>
+#include <stdlib.h>
+#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
-#if __STDC__
-# define P(x)x
-#else
-# define P(x)()
-# ifndef const
-# define const /**/
-# endif
+#include <string.h>
+#include <stdio.h>
+
+#ifdef HAVE_SIGACTION
+# include <signal.h> /* for sigset_t */
#endif
-#ifdef NO_MOTIF
-# define NO_DEMO_MODE
-# ifndef NO_LOCKING
-# define NO_LOCKING
-# endif
+#include "prefs.h"
+
+extern char *progname;
+extern char *progclass;
+
+#undef countof
+#define countof(x) (sizeof((x))/sizeof((*x)))
+
+\f
+
+/* =======================================================================
+ server extensions and virtual roots
+ ======================================================================= */
+
+extern Bool restore_real_vroot (saver_info *si);
+extern void disable_builtin_screensaver (saver_info *, Bool unblank_screen_p);
+extern Bool ensure_no_screensaver_running (Display *, Screen *);
+
+#ifdef HAVE_MIT_SAVER_EXTENSION
+extern Bool query_mit_saver_extension (saver_info *);
+#endif
+#ifdef HAVE_SGI_SAVER_EXTENSION
+extern Bool query_sgi_saver_extension (saver_info *);
+#endif
+#ifdef HAVE_XIDLE_EXTENSION
+extern Bool query_xidle_extension (saver_info *);
#endif
+#ifdef HAVE_RANDR
+extern Bool query_randr_extension (saver_info *);
+#endif
+#ifdef HAVE_PROC_INTERRUPTS
+extern Bool query_proc_interrupts_available (saver_info *, const char **why);
+#endif
+
+/* Display Power Management System (DPMS) interface. */
+extern Bool monitor_powered_on_p (saver_info *si);
+extern void monitor_power_on (saver_info *si);
+
+
+/* =======================================================================
+ blanking
+ ======================================================================= */
+
+extern void initialize_screensaver_window (saver_info *si);
+extern void raise_window (saver_info *si,
+ Bool inhibit_fade, Bool between_hacks_p,
+ Bool dont_clear);
+extern Bool blank_screen (saver_info *si);
+extern void unblank_screen (saver_info *si);
+extern void resize_screensaver_window (saver_info *si);
+
+extern void get_screen_viewport (saver_screen_info *ssi,
+ int *x_ret, int *y_ret,
+ int *w_ret, int *h_ret,
+ int target_x, int target_y,
+ Bool verbose_p);
+
+
+/* =======================================================================
+ locking
+ ======================================================================= */
+
+#ifndef NO_LOCKING
+extern Bool unlock_p (saver_info *si);
+extern Bool lock_priv_init (int argc, char **argv, Bool verbose_p);
+extern Bool lock_init (int argc, char **argv, Bool verbose_p);
+extern Bool passwd_valid_p (const char *typed_passwd, Bool verbose_p);
+#endif /* NO_LOCKING */
+
+extern void set_locked_p (saver_info *si, Bool locked_p);
+extern int move_mouse_grab (saver_info *si, Window to, Cursor cursor,
+ int to_screen_no);
+extern int mouse_screen (saver_info *si);
+
+
+/* =======================================================================
+ runtime privileges
+ ======================================================================= */
+
+extern void hack_uid (saver_info *si);
+extern void describe_uids (saver_info *si, FILE *out);
+
+/* =======================================================================
+ demoing
+ ======================================================================= */
+
+extern void draw_shaded_rectangle (Display *dpy, Window window,
+ int x, int y,
+ int width, int height,
+ int thickness,
+ unsigned long top_color,
+ unsigned long bottom_color);
+extern int string_width (XFontStruct *font, char *s);
+
+extern void make_splash_dialog (saver_info *si);
+extern void handle_splash_event (saver_info *si, XEvent *e);
+
+
+/* =======================================================================
+ timers
+ ======================================================================= */
+
+extern void start_notice_events_timer (saver_info *, Window, Bool verbose_p);
+extern void cycle_timer (XtPointer si, XtIntervalId *id);
+extern void activate_lock_timer (XtPointer si, XtIntervalId *id);
+extern void reset_watchdog_timer (saver_info *si, Bool on_p);
+extern void idle_timer (XtPointer si, XtIntervalId *id);
+extern void de_race_timer (XtPointer si, XtIntervalId *id);
+extern void sleep_until_idle (saver_info *si, Bool until_idle_p);
+extern void reset_timers (saver_info *si);
+extern void schedule_wakeup_event (saver_info *si, Time when, Bool verbose_p);
+
+
+/* =======================================================================
+ remote control
+ ======================================================================= */
+
+extern Bool handle_clientmessage (saver_info *, XEvent *, Bool);
+extern void maybe_reload_init_file (saver_info *);
+
+/* =======================================================================
+ subprocs
+ ======================================================================= */
+
+extern void handle_signals (saver_info *si);
+#ifdef HAVE_SIGACTION
+ extern sigset_t block_sigchld (void);
+#else /* !HAVE_SIGACTION */
+ extern int block_sigchld (void);
+#endif /* !HAVE_SIGACTION */
+extern void unblock_sigchld (void);
+extern void hack_environment (saver_info *si);
+extern void hack_subproc_environment (saver_screen_info *ssi);
+extern void init_sigchld (void);
+extern void spawn_screenhack (saver_info *si, Bool first_time_p);
+extern pid_t fork_and_exec (saver_screen_info *ssi, const char *command);
+extern void kill_screenhack (saver_info *si);
+extern void suspend_screenhack (saver_info *si, Bool suspend_p);
+extern Bool screenhack_running_p (saver_info *si);
+extern void emergency_kill_subproc (saver_info *si);
+extern Bool select_visual (saver_screen_info *ssi, const char *visual_name);
+extern void store_saver_status (saver_info *si);
+extern const char *signal_name (int signal);
-extern char *progname, *progclass;
-extern char *screensaver_version;
+/* =======================================================================
+ subprocs diagnostics
+ ======================================================================= */
-extern Display *dpy;
-extern Screen *screen;
-extern Visual *visual;
-extern int visual_depth;
+extern FILE *real_stderr;
+extern FILE *real_stdout;
+extern void initialize_stderr (saver_info *si);
+extern void reset_stderr (saver_screen_info *ssi);
+extern void clear_stderr (saver_screen_info *ssi);
+extern void shutdown_stderr (saver_info *si);
-extern Bool verbose_p;
-extern void initialize_screensaver_window P((void));
-extern void raise_window P((Bool inhibit_fade, Bool between_hacks_p));
-extern void blank_screen P((void));
-extern void unblank_screen P((void));
-extern void restart_process P((void));
+/* =======================================================================
+ misc
+ ======================================================================= */
-extern void restore_real_vroot P((void));
+extern const char *blurb (void);
+extern void save_argv (int argc, char **argv);
+extern void saver_exit (saver_info *si, int status, const char *core_reason);
+extern void restart_process (saver_info *si);
-extern void spawn_screenhack P((Bool));
-extern void kill_screenhack P((void));
+extern int saver_ehandler (Display *dpy, XErrorEvent *error);
+extern int BadWindow_ehandler (Display *dpy, XErrorEvent *error);
+extern Bool window_exists_p (Display *dpy, Window window);
+extern char *timestring (void);
+extern Bool display_is_on_console_p (saver_info *si);
+extern Visual *get_best_gl_visual (saver_screen_info *ssi);
+extern void check_for_leaks (const char *where);
-extern Colormap copy_colormap P((Display *, Colormap, Colormap));
-extern void fade_colormap P((Display*, Colormap, Colormap, int, int, Bool));
-extern void blacken_colormap P((Display *, Colormap));
+extern Atom XA_VROOT, XA_XSETROOT_ID, XA_ESETROOT_PMAP_ID, XA_XROOTPMAP_ID;
+extern Atom XA_SCREENSAVER, XA_SCREENSAVER_VERSION, XA_SCREENSAVER_ID;
+extern Atom XA_SCREENSAVER_STATUS, XA_LOCK, XA_BLANK;
+extern Atom XA_DEMO, XA_PREFS;
-extern int BadWindow_ehandler P((Display *dpy, XErrorEvent *error));
+#endif /* __XSCREENSAVER_H__ */
projects / xscreensaver / blobdiff