X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?p=xscreensaver;a=blobdiff_plain;f=driver%2Fxscreensaver.h;h=5490e8eaa0ce3aac38c2178a036c0e0f082e5978;hp=b6e27974160d3c92c86efa402f4e5308a7151b58;hb=c494fd2e6b3b25582375d62e40f4f5cc984ca424;hpb=3d9140a05b5272fed0883a0af0a71e30ef44d47f diff --git a/driver/xscreensaver.h b/driver/xscreensaver.h index b6e27974..5490e8ea 100644 --- a/driver/xscreensaver.h +++ b/driver/xscreensaver.h @@ -1,4 +1,4 @@ -/* xscreensaver, Copyright (c) 1993-2001 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 @@ -20,254 +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 */ - Bool fading_possible_p; /* Whether fading to/from black is possible. */ - Bool throttled_p; /* Whether we should temporarily just blank - the screen, not run hacks. */ - time_t blank_time; /* The time at which the screen was blanked - (if currently blanked) or unblanked (if - not blanked.) */ - - - /* ======================================================================= - 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. */ - - char *unlock_typeahead; /* If the screen is locked, and the user types - a character, we assume that it is the first - character of the password. It's stored here - for the password dialog to use to populate - itself. */ - - - /* ======================================================================= - 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. */ - time_t last_wall_clock_time; /* Used to detect laptop suspend. */ - saver_screen_info *last_activity_screen; - - Bool emergency_lock_p; /* Set when the wall clock has jumped - (presumably due to laptop suspend) and we - need to lock down right away instead of - waiting for the lock timer to go off. */ - - - /* ======================================================================= - 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. */ - int current_depth; /* How deep the visual (and the window) are. */ - - Visual *default_visual; /* visual to use when none other specified */ - Visual *best_gl_visual; /* visual to use for GL hacks */ - - 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'. */ - - int blank_vp_x, blank_vp_y; /* Where the virtual-scrolling viewport was - when the screen went blank. We need to - prevent the X server from letting the mouse - bump the edges to scroll while the screen - is locked, so we reset to this when it has - moved, and the lock dialog is up... */ - -# 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 *); @@ -280,6 +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 @@ -299,10 +73,12 @@ 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); @@ -318,7 +94,9 @@ 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); +extern int move_mouse_grab (saver_info *si, Window to, Cursor cursor, + int to_screen_no); +extern int mouse_screen (saver_info *si); /* ======================================================================= @@ -353,7 +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 @@ -366,10 +148,18 @@ 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); @@ -405,8 +195,9 @@ 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_STATUS, XA_LOCK, XA_BLANK; extern Atom XA_DEMO, XA_PREFS;