-/* xscreensaver, Copyright (c) 1993-1998 Jamie Zawinski <jwz@jwz.org>
+/* 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
#include <string.h>
#include <stdio.h>
+#ifdef HAVE_SIGACTION
+# include <signal.h> /* for sigset_t */
+#endif
+
+#include "prefs.h"
+
extern char *progname;
extern char *progclass;
-typedef struct saver_preferences saver_preferences;
-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 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 xsync_p; /* whether XSynchronize has been called */
-
- Bool lock_p; /* whether to lock as well as save */
- Bool lock_vt_p; /* whether to lock VTs too, if possible */
- Bool fade_p; /* whether to fade to black, if possible */
- Bool unfade_p; /* whether to fade from black, if possible */
- 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 */
-
- Time initial_delay; /* how long to sleep after launch */
- Time splash_duration; /* how long the splash screen stays up */
- 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 */
- Time passwd_timeout; /* how much time before pw dialog goes down */
- 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 */
-
- char *help_url; /* Where the help document resides. */
- char *load_url_command; /* How one loads URLs. */
-};
-
-
-/* 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. */
-
- time_t init_file_date; /* The date (from stat()) of the .xscreensaver
- file the last time this process read or
- wrote it. */
-
- /* =======================================================================
- 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 */
- Bool fading_possible_p; /* Whether fading to/from black is possible. */
-
-
- /* =======================================================================
- 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. */
-
-
- /* =======================================================================
- 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. */
-
- 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 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 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;
-};
-
-
\f
/* =======================================================================
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
#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 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
#ifndef NO_LOCKING
extern Bool unlock_p (saver_info *si);
-extern Bool lock_init (int argc, char **argv);
-extern Bool passwd_valid_p (const char *typed_passwd);
+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
unsigned long bottom_color);
extern int string_width (XFontStruct *font, char *s);
-
-#ifndef NO_DEMO_MODE
-extern void demo_mode (saver_info *si);
-extern void demo_mode_restart_process (saver_info *si);
-extern void create_demo_dialog (Widget, Visual *, Colormap);
-extern void create_resources_dialog (Widget, Visual *, Colormap);
-#endif
-
-#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
-
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);
/* =======================================================================
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);
/* =======================================================================
extern void initialize_stderr (saver_info *si);
extern void reset_stderr (saver_screen_info *ssi);
extern void clear_stderr (saver_screen_info *ssi);
-
-/* =======================================================================
- the .xscreensaver file
- ======================================================================= */
-
-extern int read_init_file (saver_info *si);
-extern int write_init_file (saver_info *si);
-extern int maybe_reload_init_file (saver_info *si);
-extern void get_resources (saver_info *si);
+extern void shutdown_stderr (saver_info *si);
/* =======================================================================
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__ */
projects / xscreensaver / blobdiff