X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?p=xscreensaver;a=blobdiff_plain;f=driver%2Fxscreensaver.h;h=5490e8eaa0ce3aac38c2178a036c0e0f082e5978;hp=7a61d166b2d306bf69e27af82ae6f31ba3f7942d;hb=c494fd2e6b3b25582375d62e40f4f5cc984ca424;hpb=551b3de3f619c04c2dd1971ee9b3f02e270c28c9 diff --git a/driver/xscreensaver.h b/driver/xscreensaver.h index 7a61d166..5490e8ea 100644 --- a/driver/xscreensaver.h +++ b/driver/xscreensaver.h @@ -1,4 +1,4 @@ -/* xscreensaver, Copyright (c) 1993-1998 Jamie Zawinski +/* xscreensaver, Copyright (c) 1993-2006 Jamie Zawinski * * Permission to use, copy, modify, distribute, and sell this software and its * documentation for any purpose is hereby granted without fee, provided that @@ -20,227 +20,25 @@ #include #include +#ifdef HAVE_SIGACTION +# include /* for sigset_t */ +#endif + #include "prefs.h" extern char *progname; extern char *progclass; -typedef struct saver_info saver_info; -typedef struct saver_screen_info saver_screen_info; -typedef struct passwd_dialog_data passwd_dialog_data; -typedef struct splash_dialog_data splash_dialog_data; - #undef countof #define countof(x) (sizeof((x))/sizeof((*x))) - - -/* This structure holds all the data that applies to the program as a whole, - or to the non-screen-specific parts of the display connection. - - The saver_preferences structure (prefs.h) holds all the user-specified - parameters, read from the command line, the resource database, or entered - through a dialog box. - */ -struct saver_info { - char *version; - saver_preferences prefs; - - int nscreens; - saver_screen_info *screens; - saver_screen_info *default_screen; /* ...on which dialogs will appear. */ - - - /* ======================================================================= - global connection info - ======================================================================= */ - - XtAppContext app; - Display *dpy; - - /* ======================================================================= - server extension info - ======================================================================= */ - - 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*. */ - Bool using_proc_interrupts; - -# ifdef HAVE_MIT_SAVER_EXTENSION - int mit_saver_ext_event_number; - int mit_saver_ext_error_number; -# endif -# ifdef HAVE_SGI_SAVER_EXTENSION - int sgi_saver_ext_event_number; - int sgi_saver_ext_error_number; -# endif - - - /* ======================================================================= - blanking - ======================================================================= */ - - Bool screen_blanked_p; /* Whether the saver is currently active. */ - Window mouse_grab_window; /* Window holding our mouse grab */ - Window keyboard_grab_window; /* Window holding our keyboard grab */ - - - /* ======================================================================= - locking and runtime privileges - ======================================================================= */ - - Bool locked_p; /* Whether the screen is currently locked. */ - Bool dbox_up_p; /* Whether the demo-mode or passwd dialogs - are currently visible */ - - Bool locking_disabled_p; /* Sometimes locking is impossible. */ - char *nolock_reason; /* This is why. */ - - char *orig_uid; /* What uid/gid we had at startup, before - discarding privileges. */ - char *uid_message; /* Any diagnostics from our attempt to - discard privileges (printed only in - -verbose mode.) */ - Bool dangerous_uid_p; /* Set to true if we're running as a user id - which is known to not be a normal, non- - privileged user. */ - - Window passwd_dialog; /* The password dialog, if its up. */ - passwd_dialog_data *pw_data; /* Other info necessary to draw it. */ - - int unlock_failures; /* Counts failed login attempts while the - screen is locked. */ - - - /* ======================================================================= - demoing - ======================================================================= */ - - Bool demoing_p; /* Whether we are demoing a single hack - (without UI.) */ - - Window splash_dialog; /* The splash dialog, if its up. */ - splash_dialog_data *sp_data; /* Other info necessary to draw it. */ - - - /* ======================================================================= - timers - ======================================================================= */ - - XtIntervalId lock_id; /* Timer to implement `prefs.lock_timeout' */ - XtIntervalId cycle_id; /* Timer to implement `prefs.cycle' */ - XtIntervalId timer_id; /* Timer to implement `prefs.timeout' */ - XtIntervalId watchdog_id; /* Timer to implement `prefs.watchdog */ - XtIntervalId check_pointer_timer_id; /* `prefs.pointer_timeout' */ - - time_t last_activity_time; /* Used only when no server exts. */ - saver_screen_info *last_activity_screen; - - - /* ======================================================================= - remote control - ======================================================================= */ - - int selection_mode; /* Set to -1 if the NEXT ClientMessage has just - been received; set to -2 if PREV has just - been received; set to N if SELECT or DEMO N - has been received. (This is kind of nasty.) - */ - - /* ======================================================================= - subprocs - ======================================================================= */ - - XtIntervalId stderr_popup_timer; - -}; - - -/* This structure holds all the data that applies to the screen-specific parts - of the display connection; if the display has multiple screens, there will - be one of these for each screen. - */ -struct saver_screen_info { - saver_info *global; - - Screen *screen; - Widget toplevel_shell; - - /* ======================================================================= - blanking - ======================================================================= */ - - Window screensaver_window; /* The window that will impersonate the root, - when the screensaver activates. Note that - the window stored here may change, as we - destroy and recreate it on different - visuals. */ - Colormap cmap; /* The colormap that goes with the window. */ - Bool install_cmap_p; /* Whether this screen should have its own - colormap installed, for whichever of several - reasons. This is definitive (even a false - value here overrides prefs->install_cmap_p.) - */ - Visual *current_visual; /* The visual of the window. */ - Visual *default_visual; /* visual to use when none other specified */ - int current_depth; /* How deep the visual (and the window) are. */ - - Window real_vroot; /* The original virtual-root window. */ - Window real_vroot_value; /* What was in the __SWM_VROOT property. */ - - Cursor cursor; /* A blank cursor that goes with the - real root window. */ - unsigned long black_pixel; /* Black, allocated from `cmap'. */ - -# ifdef HAVE_MIT_SAVER_EXTENSION - Window server_mit_saver_window; -# endif - - - /* ======================================================================= - demoing - ======================================================================= */ - - Colormap demo_cmap; /* The colormap that goes with the dialogs: - this might be the same as `cmap' so care - must be taken not to free it while it's - still in use. */ - - /* ======================================================================= - timers - ======================================================================= */ - - int poll_mouse_last_root_x; /* Used only when no server exts. */ - int poll_mouse_last_root_y; - Window poll_mouse_last_child; - unsigned int poll_mouse_last_mask; - - - /* ======================================================================= - subprocs - ======================================================================= */ - - int current_hack; /* Index into `prefs.screenhacks' */ - pid_t pid; - - int stderr_text_x; - int stderr_text_y; - int stderr_line_height; - XFontStruct *stderr_font; - GC stderr_gc; - Window stderr_overlay_window; /* Used if the server has overlay planes */ - Colormap stderr_cmap; -}; - - /* ======================================================================= server extensions and virtual roots ======================================================================= */ -extern void restore_real_vroot (saver_info *si); +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 *); @@ -253,6 +51,9 @@ 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 @@ -272,6 +73,14 @@ 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, + int *w_ret, int *h_ret, + int target_x, int target_y, + Bool verbose_p); + /* ======================================================================= locking @@ -282,14 +91,13 @@ 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 make_passwd_window (saver_info *si); -extern void draw_passwd_window (saver_info *si); -extern void update_passwd_window (saver_info *si, const char *printed_passwd, - float ratio); -extern void destroy_passwd_window (saver_info *si); +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); -#endif /* NO_LOCKING */ /* ======================================================================= runtime privileges @@ -312,7 +120,6 @@ 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); -extern void skull (Display *, Window, GC, GC, int, int, int, int); /* ======================================================================= @@ -324,7 +131,11 @@ 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 @@ -337,15 +148,24 @@ 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); /* ======================================================================= @@ -357,6 +177,7 @@ 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); /* ======================================================================= @@ -373,10 +194,12 @@ 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 Atom XA_VROOT, XA_XSETROOT_ID; +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_TIME; +extern Atom XA_SCREENSAVER_STATUS, XA_LOCK, XA_BLANK; extern Atom XA_DEMO, XA_PREFS; #endif /* __XSCREENSAVER_H__ */