X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?p=xscreensaver;a=blobdiff_plain;f=driver%2Fxscreensaver.h;h=5490e8eaa0ce3aac38c2178a036c0e0f082e5978;hp=db2f87841352ebb914628f8760c945a81a8cddd0;hb=c494fd2e6b3b25582375d62e40f4f5cc984ca424;hpb=481b95e2617b69e6fd4444432747d7e1e0c3dc85 diff --git a/driver/xscreensaver.h b/driver/xscreensaver.h index db2f8784..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 @@ -20,245 +20,26 @@ #include #include -extern char *progname; -extern char *progclass; +#ifdef HAVE_SIGACTION +# include /* for sigset_t */ +#endif -typedef struct saver_preferences saver_preferences; -typedef struct saver_info saver_info; -typedef struct saver_screen_info saver_screen_info; +#include "prefs.h" +extern char *progname; +extern char *progclass; #undef countof #define countof(x) (sizeof((x))/sizeof((*x))) - - -/* This structure holds all the user-specified parameters, read from the - command line, the resource database, or entered through a dialog box. - */ -struct saver_preferences { - Bool verbose_p; /* whether to print out lots of status info */ - Bool timestamp_p; /* whether to mark messages with a timestamp */ - Bool debug_p; /* pay no mind to the man behind the curtain */ - - Bool lock_p; /* whether to lock as well as save */ - Bool fade_p; /* whether to fade to black */ - Bool unfade_p; /* whether to fade from black */ - int fade_seconds; /* how long that should take */ - int fade_ticks; /* how many ticks should be used */ - - Bool install_cmap_p; /* whether we should use our own colormap - when using the screen's default visual. */ - - char **screenhacks; /* the programs to run */ - int screenhacks_count; - - int nice_inferior; /* nice value for subprocs */ - - int initial_delay; /* how long to sleep after launch */ - Time timeout; /* how much idle time before activation */ - Time lock_timeout; /* how long after activation locking starts */ - Time cycle; /* how long each hack should run */ -#ifndef NO_LOCKING - Time passwd_timeout; /* how much time before pw dialog goes down */ -#endif - Time pointer_timeout; /* how often to check mouse position */ - Time notice_events_timeout; /* how long after window creation to select */ - Time watchdog_timeout; /* how often to re-raise and re-blank screen */ - - Bool use_xidle_extension; /* which extension to use, if possible */ - Bool use_mit_saver_extension; - Bool use_sgi_saver_extension; - - char *shell; /* where to find /bin/sh */ - -}; - - -/* 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. - */ -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; - XrmDatabase db; - - /* ======================================================================= - server extension info - ======================================================================= */ - -# 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 - ======================================================================= */ - - Bool locking_disabled_p; /* Sometimes locking is impossible. */ - char *nolock_reason; /* This is why. */ - Bool locked_p; /* Whether the screen is currently locked. */ - Bool dbox_up_p; /* Whether the demo-mode or passwd dialogs - are currently visible */ - - /* ======================================================================= - demoing - ======================================================================= */ - - Bool demo_mode_p; /* Whether demo-mode is active */ - char *demo_hack; /* The hack that has been selected from the - dialog box, which should be run next. */ - - - /* ======================================================================= - asking questions - ======================================================================= */ - - Bool question_up_p; /* Whether the question dialog is currently - visible. */ - Widget question_dialog; /* The question dialog, if any. */ - - - /* ======================================================================= - 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 next_mode_p; /* Set to 1 if the NEXT ClientMessage has just - been received; set to 2 if PREV has just - been received. (#### This is 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 we should use our own colormap. - This can be overridden on a per-hack basis. - */ - 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 void disable_builtin_screensaver (saver_info *si, Bool turn_off_p); +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 @@ -267,6 +48,15 @@ extern Bool query_mit_saver_extension (saver_info *); #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); @@ -281,10 +71,16 @@ 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 void blank_screen (saver_info *si); +extern Bool blank_screen (saver_info *si); extern void unblank_screen (saver_info *si); -extern void grab_keyboard_and_mouse (saver_info *si, Window, Cursor); -extern void ungrab_keyboard_and_mouse (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 @@ -292,76 +88,86 @@ extern void ungrab_keyboard_and_mouse (saver_info *si); #ifndef NO_LOCKING extern Bool unlock_p (saver_info *si); -extern create_passwd_dialog (Widget, Visual *, Colormap); -extern Bool lock_init (int argc, char **argv); -extern Bool passwd_valid_p (const char *typed_passwd); -#endif +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); + /* ======================================================================= - demoing + runtime privileges ======================================================================= */ -#ifndef NO_DEMO_MODE -extern void demo_mode (saver_info *si); -extern void demo_mode_restart_process (saver_info *si); -extern create_demo_dialog (Widget, Visual *, Colormap); -extern create_resources_dialog (Widget, Visual *, Colormap); -#endif +extern void hack_uid (saver_info *si); +extern void describe_uids (saver_info *si, FILE *out); -#if !defined(NO_LOCKING) || !defined(NO_DEMO_MODE) -extern void pop_up_dialog_box (Widget dialog, Widget form, int where); -extern void format_into_label (Widget label, const char *arg); -extern void steal_focus_and_colormap (Widget dialog); -#endif +/* ======================================================================= + demoing + ======================================================================= */ -#ifdef HAVE_MOTIF -extern void disable_motif_drag_and_drop(Widget w); -#endif +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); +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); -/* ======================================================================= - subprocs security - ======================================================================= */ - -#ifdef NO_SETUID -# define hack_uid() -# define hack_uid_warn() -#else /* !NO_SETUID */ - extern void hack_uid (saver_info *si); - extern void hack_uid_warn (saver_info *si); -#endif /* NO_SETUID */ - /* ======================================================================= subprocs diagnostics ======================================================================= */ @@ -371,6 +177,8 @@ 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); + /* ======================================================================= misc @@ -378,16 +186,20 @@ extern void clear_stderr (saver_screen_info *ssi); extern const char *blurb (void); extern void save_argv (int argc, char **argv); -extern void saver_exit (saver_info *si, int status); +extern void saver_exit (saver_info *si, int status, const char *core_reason); extern void restart_process (saver_info *si); 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 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__ */