ftp://ftp.linux.ncsu.edu/mirror/ftp.redhat.com/pub/redhat/linux/enterprise/4/en/os...

[xscreensaver] / driver / xscreensaver.h

diff --git a/driver/xscreensaver.h b/driver/xscreensaver.h
index 41b1d718f5fef7ac20002a8cf0ec52e17f4e4ddc..646a5179c5afa570161a6f20661f21c235933b7e 100644 (file)
--- a/driver/xscreensaver.h
+++ b/driver/xscreensaver.h
@@ -1,4 +1,4 @@
-/* xscreensaver, Copyright (c) 1993-2002 Jamie Zawinski <jwz@jwz.org>
+/* xscreensaver, Copyright (c) 1993-2004 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
@@ -20,6 +20,10 @@
 #include <string.h>
 #include <stdio.h>
 
+#ifdef HAVE_SIGACTION
+# include <signal.h>    /* for sigset_t */
+#endif
+
 #include "prefs.h"
 
 extern char *progname;
@@ -62,6 +66,7 @@ struct saver_info {
      server extension info
      ======================================================================= */
 
+  Bool xinerama_p;                /* Whether Xinerama is in use.            */
   Bool using_xidle_extension;     /* which extension is being used.         */
   Bool using_mit_saver_extension;  /* Note that `p->use_*' is the *request*, */
   Bool using_sgi_saver_extension;  /* and `si->using_*' is the *reality*.    */
@@ -75,6 +80,10 @@ struct saver_info {
   int sgi_saver_ext_event_number;
   int sgi_saver_ext_error_number;
 # endif
+# ifdef HAVE_RANDR
+  int randr_event_number;
+  int randr_error_number;
+# endif
 
 
   /* =======================================================================
@@ -148,6 +157,9 @@ struct saver_info {
   XtIntervalId watchdog_id;    /* Timer to implement `prefs.watchdog */
   XtIntervalId check_pointer_timer_id; /* `prefs.pointer_timeout' */
 
+  XtIntervalId de_race_id;     /* Timer to make sure screen un-blanks */
+  int de_race_ticks;
+
   time_t last_activity_time;              /* Used only when no server exts. */
   time_t last_wall_clock_time;             /* Used to detect laptop suspend. */
   saver_screen_info *last_activity_screen;
@@ -184,8 +196,19 @@ struct saver_info {
 struct saver_screen_info {
   saver_info *global;
 
-  int number;
-  Screen *screen;
+  int number;                  /* The internal ordinal of this screen,
+                                   counting Xinerama rectangles as separate
+                                   screens. */
+  int real_screen_number;      /* The number of the underlying X screen on
+                                   which this rectangle lies. */
+  Screen *screen;              /* The X screen in question. */
+
+  int x, y, width, height;     /* The size and position of this rectangle
+                                   on its underlying X screen. */
+
+  Bool real_screen_p;          /* This will be true of exactly one ssi per
+                                   X screen. */
+
   Widget toplevel_shell;
 
   /* =======================================================================
@@ -283,6 +306,9 @@ extern Bool query_sgi_saver_extension (saver_info *);
 #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
@@ -302,6 +328,7 @@ extern void raise_window (saver_info *si,
                            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,
@@ -359,8 +386,11 @@ 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
@@ -374,7 +404,11 @@ extern void maybe_reload_init_file (saver_info *);
    ======================================================================= */
 
 extern void handle_signals (saver_info *si);
-extern void block_sigchld (void);
+#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);
@@ -417,6 +451,7 @@ 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 Atom XA_VROOT, XA_XSETROOT_ID, XA_ESETROOT_PMAP_ID, XA_XROOTPMAP_ID;
 extern Atom XA_SCREENSAVER, XA_SCREENSAVER_VERSION, XA_SCREENSAVER_ID;