/* demo-Gtk.c --- implements the interactive demo-mode and options dialogs. * xscreensaver, Copyright (c) 1993-2018 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 * the above copyright notice appear in all copies and that both that * copyright notice and this permission notice appear in supporting * documentation. No representations are made about the suitability of this * software for any purpose. It is provided "as is" without express or * implied warranty. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #ifdef HAVE_GTK /* whole file */ #include #include #ifdef HAVE_UNISTD_H # include #endif # ifdef __GNUC__ # define STFU __extension__ /* ignore gcc -pendantic warnings in next sexp */ # else # define STFU /* */ # endif #ifdef ENABLE_NLS # include #endif /* ENABLE_NLS */ #ifndef VMS # include /* for getpwuid() */ #else /* VMS */ # include "vms-pwd.h" #endif /* VMS */ #ifdef HAVE_UNAME # include /* for uname() */ #endif /* HAVE_UNAME */ #include #include #include #include #include #include #ifdef HAVE_SYS_WAIT_H # include /* for waitpid() and associated macros */ #endif #include /* for CARD32 */ #include /* for XA_INTEGER */ #include #include /* We don't actually use any widget internals, but these are included so that gdb will have debug info for the widgets... */ #include #include #ifdef HAVE_XMU # ifndef VMS # include # else /* VMS */ # include # endif #else # include "xmu.h" #endif #ifdef HAVE_XINERAMA # include #endif /* HAVE_XINERAMA */ #include #ifdef HAVE_CRAPPLET # include # include #endif #include #ifdef HAVE_GTK2 # include # include #else /* !HAVE_GTK2 */ # define G_MODULE_EXPORT /**/ #endif /* !HAVE_GTK2 */ #if defined(DEFAULT_ICONDIR) && !defined(GLADE_DIR) # define GLADE_DIR DEFAULT_ICONDIR #endif #if !defined(DEFAULT_ICONDIR) && defined(GLADE_DIR) # define DEFAULT_ICONDIR GLADE_DIR #endif #ifndef HAVE_XML /* Kludge: this is defined in demo-Gtk-conf.c when HAVE_XML. It is unused otherwise, so in that case, stub it out. */ static const char *hack_configuration_path = 0; #endif #include "version.h" #include "prefs.h" #include "resources.h" /* for parse_time() */ #include "visual.h" /* for has_writable_cells() */ #include "remote.h" /* for xscreensaver_command() */ #include "usleep.h" #include "logo-50.xpm" #include "logo-180.xpm" #include "demo-Gtk-conf.h" #include #include #include #ifdef HAVE_GTK2 enum { COL_ENABLED, COL_NAME, COL_LAST }; #endif /* HAVE_GTK2 */ /* Deal with deprecation of direct access to struct fields on the way to GTK3 See http://live.gnome.org/GnomeGoals/UseGseal */ #if GTK_CHECK_VERSION(2,14,0) # define GET_PARENT(w) gtk_widget_get_parent (w) # define GET_WINDOW(w) gtk_widget_get_window (w) # define GET_ACTION_AREA(d) gtk_dialog_get_action_area (d) # define GET_CONTENT_AREA(d) gtk_dialog_get_content_area (d) # define GET_ADJ_VALUE(a) gtk_adjustment_get_value (a) # define SET_ADJ_VALUE(a,v) gtk_adjustment_set_value (a, v) # define SET_ADJ_UPPER(a,v) gtk_adjustment_set_upper (a, v) #else # define GET_PARENT(w) ((w)->parent) # define GET_WINDOW(w) ((w)->window) # define GET_ACTION_AREA(d) ((d)->action_area) # define GET_CONTENT_AREA(d) ((d)->vbox) # define GET_ADJ_VALUE(a) ((a)->value) # define SET_ADJ_VALUE(a,v) (a)->value = v # define SET_ADJ_UPPER(a,v) (a)->upper = v #endif #if GTK_CHECK_VERSION(2,18,0) # define SET_CAN_DEFAULT(w) gtk_widget_set_can_default ((w), TRUE) # define GET_SENSITIVE(w) gtk_widget_get_sensitive (w) #else # define SET_CAN_DEFAULT(w) GTK_WIDGET_SET_FLAGS ((w), GTK_CAN_DEFAULT) # define GET_SENSITIVE(w) GTK_WIDGET_IS_SENSITIVE (w) #endif #if GTK_CHECK_VERSION(2,20,0) # define GET_REALIZED(w) gtk_widget_get_realized (w) #else # define GET_REALIZED(w) GTK_WIDGET_REALIZED (w) #endif /* from exec.c */ extern void exec_command (const char *shell, const char *command, int nice); extern int on_path_p (const char *program); static void hack_subproc_environment (Window preview_window_id, Bool debug_p); #undef countof #define countof(x) (sizeof((x))/sizeof((*x))) /* You might think that to read an array of 32-bit quantities out of a server-side property, you would pass an array of 32-bit data quantities into XGetWindowProperty(). You would be wrong. You have to use an array of longs, even if long is 64 bits (using 32 of each 64.) */ typedef long PROP32; char *progname = 0; char *progclass = "XScreenSaver"; XrmDatabase db; /* The order of the items in the mode menu. */ static int mode_menu_order[] = { DONT_BLANK, BLANK_ONLY, ONE_HACK, RANDOM_HACKS, RANDOM_HACKS_SAME }; typedef struct { char *short_version; /* version number of this xscreensaver build */ GtkWidget *toplevel_widget; /* the main window */ GtkWidget *base_widget; /* root of our hierarchy (for name lookups) */ GtkWidget *popup_widget; /* the "Settings" dialog */ conf_data *cdata; /* private data for per-hack configuration */ #ifdef HAVE_GTK2 GladeXML *glade_ui; /* Glade UI file */ #endif /* HAVE_GTK2 */ Bool debug_p; /* whether to print diagnostics */ Bool initializing_p; /* flag for breaking recursion loops */ Bool saving_p; /* flag for breaking recursion loops */ char *desired_preview_cmd; /* subprocess we intend to run */ char *running_preview_cmd; /* subprocess we are currently running */ pid_t running_preview_pid; /* pid of forked subproc (might be dead) */ Bool running_preview_error_p; /* whether the pid died abnormally */ Bool preview_suppressed_p; /* flag meaning "don't launch subproc" */ int subproc_timer_id; /* timer to delay subproc launch */ int subproc_check_timer_id; /* timer to check whether it started up */ int subproc_check_countdown; /* how many more checks left */ int *list_elt_to_hack_number; /* table for sorting the hack list */ int *hack_number_to_list_elt; /* the inverse table */ Bool *hacks_available_p; /* whether hacks are on $PATH */ int total_available; /* how many are on $PATH */ int list_count; /* how many items are in the list: this may be less than p->screenhacks_count, if some are suppressed. */ int _selected_list_element; /* don't use this: call selected_list_element() instead */ int nscreens; /* How many X or Xinerama screens there are */ saver_preferences prefs; } state; /* Total fucking evilness due to the fact that it's rocket science to get a closure object of our own down into the various widget callbacks. */ static state *global_state_kludge; Atom XA_VROOT; Atom XA_SCREENSAVER, XA_SCREENSAVER_RESPONSE, XA_SCREENSAVER_VERSION; Atom XA_SCREENSAVER_ID, XA_SCREENSAVER_STATUS, XA_SELECT, XA_DEMO; Atom XA_ACTIVATE, XA_BLANK, XA_LOCK, XA_RESTART, XA_EXIT; static void populate_demo_window (state *, int list_elt); static void populate_prefs_page (state *); static void populate_popup_window (state *); static Bool flush_dialog_changes_and_save (state *); static Bool flush_popup_changes_and_save (state *); static int maybe_reload_init_file (state *); static void await_xscreensaver (state *); static Bool xscreensaver_running_p (state *); static void sensitize_menu_items (state *s, Bool force_p); static void force_dialog_repaint (state *s); static void schedule_preview (state *, const char *cmd); static void kill_preview_subproc (state *, Bool reset_p); static void schedule_preview_check (state *); /* Prototypes of functions used by the Glade-generated code, to avoid warnings. */ void exit_menu_cb (GtkMenuItem *, gpointer user_data); void about_menu_cb (GtkMenuItem *, gpointer user_data); void doc_menu_cb (GtkMenuItem *, gpointer user_data); void file_menu_cb (GtkMenuItem *, gpointer user_data); void activate_menu_cb (GtkMenuItem *, gpointer user_data); void lock_menu_cb (GtkMenuItem *, gpointer user_data); void kill_menu_cb (GtkMenuItem *, gpointer user_data); void restart_menu_cb (GtkWidget *, gpointer user_data); void run_this_cb (GtkButton *, gpointer user_data); void manual_cb (GtkButton *, gpointer user_data); void run_next_cb (GtkButton *, gpointer user_data); void run_prev_cb (GtkButton *, gpointer user_data); void pref_changed_cb (GtkWidget *, gpointer user_data); gboolean pref_changed_event_cb (GtkWidget *, GdkEvent *, gpointer user_data); void mode_menu_item_cb (GtkWidget *, gpointer user_data); void switch_page_cb (GtkNotebook *, GtkNotebookPage *, gint page_num, gpointer user_data); void browse_image_dir_cb (GtkButton *, gpointer user_data); void browse_text_file_cb (GtkButton *, gpointer user_data); void browse_text_program_cb (GtkButton *, gpointer user_data); void settings_cb (GtkButton *, gpointer user_data); void settings_adv_cb (GtkButton *, gpointer user_data); void settings_std_cb (GtkButton *, gpointer user_data); void settings_reset_cb (GtkButton *, gpointer user_data); void settings_switch_page_cb (GtkNotebook *, GtkNotebookPage *, gint page_num, gpointer user_data); void settings_cancel_cb (GtkButton *, gpointer user_data); void settings_ok_cb (GtkButton *, gpointer user_data); static void kill_gnome_screensaver (void); static void kill_kde_screensaver (void); /* Some random utility functions */ const char *blurb (void); const char * blurb (void) { time_t now = time ((time_t *) 0); char *ct = (char *) ctime (&now); static char buf[255]; int n = strlen(progname); if (n > 100) n = 99; strncpy(buf, progname, n); buf[n++] = ':'; buf[n++] = ' '; strncpy(buf+n, ct+11, 8); strcpy(buf+n+9, ": "); return buf; } static GtkWidget * name_to_widget (state *s, const char *name) { GtkWidget *w; if (!s) abort(); if (!name) abort(); if (!*name) abort(); #ifdef HAVE_GTK2 if (!s->glade_ui) { /* First try to load the Glade file from the current directory; if there isn't one there, check the installed directory. */ # define GLADE_FILE_NAME "xscreensaver-demo.glade2" const char * const files[] = { GLADE_FILE_NAME, GLADE_DIR "/" GLADE_FILE_NAME }; int i; for (i = 0; i < countof (files); i++) { struct stat st; if (!stat (files[i], &st)) { s->glade_ui = glade_xml_new (files[i], NULL, NULL); break; } } if (!s->glade_ui) { fprintf (stderr, "%s: could not load \"" GLADE_FILE_NAME "\"\n" "\tfrom " GLADE_DIR "/ or current directory.\n", blurb()); exit (-1); } # undef GLADE_FILE_NAME glade_xml_signal_autoconnect (s->glade_ui); } w = glade_xml_get_widget (s->glade_ui, name); #else /* !HAVE_GTK2 */ w = (GtkWidget *) gtk_object_get_data (GTK_OBJECT (s->base_widget), name); if (w) return w; w = (GtkWidget *) gtk_object_get_data (GTK_OBJECT (s->popup_widget), name); #endif /* HAVE_GTK2 */ if (w) return w; fprintf (stderr, "%s: no widget \"%s\" (wrong Glade file?)\n", blurb(), name); abort(); } /* Why this behavior isn't automatic in *either* toolkit, I'll never know. Takes a scroller, viewport, or list as an argument. */ static void ensure_selected_item_visible (GtkWidget *widget) { #ifdef HAVE_GTK2 GtkTreePath *path; GtkTreeSelection *selection; GtkTreeIter iter; GtkTreeModel *model; selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget)); if (!gtk_tree_selection_get_selected (selection, &model, &iter)) path = gtk_tree_path_new_first (); else path = gtk_tree_model_get_path (model, &iter); gtk_tree_view_set_cursor (GTK_TREE_VIEW (widget), path, NULL, FALSE); gtk_tree_path_free (path); #else /* !HAVE_GTK2 */ GtkScrolledWindow *scroller = 0; GtkViewport *vp = 0; GtkList *list_widget = 0; GList *slist; GList *kids; int nkids = 0; GtkWidget *selected = 0; int list_elt = -1; GtkAdjustment *adj; gint parent_h, child_y, child_h, children_h, ignore; double ratio_t, ratio_b; if (GTK_IS_SCROLLED_WINDOW (widget)) { scroller = GTK_SCROLLED_WINDOW (widget); vp = GTK_VIEWPORT (GTK_BIN (scroller)->child); list_widget = GTK_LIST (GTK_BIN(vp)->child); } else if (GTK_IS_VIEWPORT (widget)) { vp = GTK_VIEWPORT (widget); scroller = GTK_SCROLLED_WINDOW (GTK_WIDGET (vp)->parent); list_widget = GTK_LIST (GTK_BIN(vp)->child); } else if (GTK_IS_LIST (widget)) { list_widget = GTK_LIST (widget); vp = GTK_VIEWPORT (GTK_WIDGET (list_widget)->parent); scroller = GTK_SCROLLED_WINDOW (GTK_WIDGET (vp)->parent); } else abort(); slist = list_widget->selection; selected = (slist ? GTK_WIDGET (slist->data) : 0); if (!selected) return; list_elt = gtk_list_child_position (list_widget, GTK_WIDGET (selected)); for (kids = gtk_container_children (GTK_CONTAINER (list_widget)); kids; kids = kids->next) nkids++; adj = gtk_scrolled_window_get_vadjustment (scroller); gdk_window_get_geometry (GET_WINDOW (GTK_WIDGET (vp)), &ignore, &ignore, &ignore, &parent_h, &ignore); gdk_window_get_geometry (GET_WINDOW (GTK_WIDGET (selected)), &ignore, &child_y, &ignore, &child_h, &ignore); children_h = nkids * child_h; ratio_t = ((double) child_y) / ((double) children_h); ratio_b = ((double) child_y + child_h) / ((double) children_h); if (adj->upper == 0.0) /* no items in list */ return; if (ratio_t < (adj->value / adj->upper) || ratio_b > ((adj->value + adj->page_size) / adj->upper)) { double target; int slop = parent_h * 0.75; /* how much to overshoot by */ if (ratio_t < (adj->value / adj->upper)) { double ratio_w = ((double) parent_h) / ((double) children_h); double ratio_l = (ratio_b - ratio_t); target = ((ratio_t - ratio_w + ratio_l) * adj->upper); target += slop; } else /* if (ratio_b > ((adj->value + adj->page_size) / adj->upper))*/ { target = ratio_t * adj->upper; target -= slop; } if (target > adj->upper - adj->page_size) target = adj->upper - adj->page_size; if (target < 0) target = 0; gtk_adjustment_set_value (adj, target); } #endif /* !HAVE_GTK2 */ } static void warning_dialog_dismiss_cb (GtkWidget *widget, gpointer user_data) { GtkWidget *shell = GTK_WIDGET (user_data); while (GET_PARENT (shell)) shell = GET_PARENT (shell); gtk_widget_destroy (GTK_WIDGET (shell)); } void restart_menu_cb (GtkWidget *widget, gpointer user_data); static void warning_dialog_restart_cb (GtkWidget *widget, gpointer user_data) { restart_menu_cb (widget, user_data); warning_dialog_dismiss_cb (widget, user_data); } static void warning_dialog_killg_cb (GtkWidget *widget, gpointer user_data) { kill_gnome_screensaver (); warning_dialog_dismiss_cb (widget, user_data); } static void warning_dialog_killk_cb (GtkWidget *widget, gpointer user_data) { kill_kde_screensaver (); warning_dialog_dismiss_cb (widget, user_data); } typedef enum { D_NONE, D_LAUNCH, D_GNOME, D_KDE } dialog_button; static Bool warning_dialog (GtkWidget *parent, const char *message, dialog_button button_type, int center) { char *msg = strdup (message); char *head; GtkWidget *dialog = gtk_dialog_new (); GtkWidget *label = 0; GtkWidget *ok = 0; GtkWidget *cancel = 0; int i = 0; while (parent && !GET_WINDOW (parent)) parent = GET_PARENT (parent); if (!parent || !GET_WINDOW (parent)) /* too early to pop up transient dialogs */ { fprintf (stderr, "%s: too early for dialog?\n", progname); free(msg); return False; } head = msg; while (head) { char name[20]; char *s = strchr (head, '\n'); if (s) *s = 0; sprintf (name, "label%d", i++); { label = gtk_label_new (head); #ifdef HAVE_GTK2 gtk_label_set_selectable (GTK_LABEL (label), TRUE); #endif /* HAVE_GTK2 */ #ifndef HAVE_GTK2 if (i == 1) { GTK_WIDGET (label)->style = gtk_style_copy (GTK_WIDGET (label)->style); GTK_WIDGET (label)->style->font = gdk_font_load (get_string_resource("warning_dialog.headingFont", "Dialog.Font")); gtk_widget_set_style (GTK_WIDGET (label), GTK_WIDGET (label)->style); } #endif /* !HAVE_GTK2 */ if (center <= 0) gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5); gtk_box_pack_start (GTK_BOX (GET_CONTENT_AREA (GTK_DIALOG (dialog))), label, TRUE, TRUE, 0); gtk_widget_show (label); } if (s) head = s+1; else head = 0; center--; } label = gtk_label_new (""); gtk_box_pack_start (GTK_BOX (GET_CONTENT_AREA (GTK_DIALOG (dialog))), label, TRUE, TRUE, 0); gtk_widget_show (label); label = gtk_hbutton_box_new (); gtk_box_pack_start (GTK_BOX (GET_ACTION_AREA (GTK_DIALOG (dialog))), label, TRUE, TRUE, 0); #ifdef HAVE_GTK2 if (button_type != D_NONE) { cancel = gtk_button_new_from_stock (GTK_STOCK_CANCEL); gtk_container_add (GTK_CONTAINER (label), cancel); } ok = gtk_button_new_from_stock (GTK_STOCK_OK); gtk_container_add (GTK_CONTAINER (label), ok); #else /* !HAVE_GTK2 */ ok = gtk_button_new_with_label ("OK"); gtk_container_add (GTK_CONTAINER (label), ok); if (button_type != D_NONE) { cancel = gtk_button_new_with_label ("Cancel"); gtk_container_add (GTK_CONTAINER (label), cancel); } #endif /* !HAVE_GTK2 */ gtk_window_set_position (GTK_WINDOW (dialog), GTK_WIN_POS_CENTER); gtk_container_set_border_width (GTK_CONTAINER (dialog), 10); gtk_window_set_title (GTK_WINDOW (dialog), progclass); SET_CAN_DEFAULT (ok); gtk_widget_show (ok); gtk_widget_grab_focus (ok); if (cancel) { SET_CAN_DEFAULT (cancel); gtk_widget_show (cancel); } gtk_widget_show (label); gtk_widget_show (dialog); if (button_type != D_NONE) { GtkSignalFunc fn; switch (button_type) { case D_LAUNCH: fn = GTK_SIGNAL_FUNC (warning_dialog_restart_cb); break; case D_GNOME: fn = GTK_SIGNAL_FUNC (warning_dialog_killg_cb); break; case D_KDE: fn = GTK_SIGNAL_FUNC (warning_dialog_killk_cb); break; default: abort(); break; } gtk_signal_connect_object (GTK_OBJECT (ok), "clicked", fn, (gpointer) dialog); gtk_signal_connect_object (GTK_OBJECT (cancel), "clicked", GTK_SIGNAL_FUNC (warning_dialog_dismiss_cb), (gpointer) dialog); } else { gtk_signal_connect_object (GTK_OBJECT (ok), "clicked", GTK_SIGNAL_FUNC (warning_dialog_dismiss_cb), (gpointer) dialog); } gdk_window_set_transient_for (GET_WINDOW (GTK_WIDGET (dialog)), GET_WINDOW (GTK_WIDGET (parent))); #ifdef HAVE_GTK2 gtk_window_present (GTK_WINDOW (dialog)); #else /* !HAVE_GTK2 */ gdk_window_show (GTK_WIDGET (dialog)->window); gdk_window_raise (GTK_WIDGET (dialog)->window); #endif /* !HAVE_GTK2 */ free (msg); return True; } static void run_cmd (state *s, Atom command, int arg) { char *err = 0; int status; flush_dialog_changes_and_save (s); status = xscreensaver_command (GDK_DISPLAY(), command, arg, False, &err); /* Kludge: ignore the spurious "window unexpectedly deleted" errors... */ if (status < 0 && err && strstr (err, "unexpectedly deleted")) status = 0; if (status < 0) { char buf [255]; if (err) sprintf (buf, "Error:\n\n%s", err); else strcpy (buf, "Unknown error!"); warning_dialog (s->toplevel_widget, buf, D_NONE, 100); } if (err) free (err); sensitize_menu_items (s, True); force_dialog_repaint (s); } static void run_hack (state *s, int list_elt, Bool report_errors_p) { int hack_number; char *err = 0; int status; if (list_elt < 0) return; hack_number = s->list_elt_to_hack_number[list_elt]; flush_dialog_changes_and_save (s); schedule_preview (s, 0); status = xscreensaver_command (GDK_DISPLAY(), XA_DEMO, hack_number + 1, False, &err); if (status < 0 && report_errors_p) { if (xscreensaver_running_p (s)) { /* Kludge: ignore the spurious "window unexpectedly deleted" errors... */ if (err && strstr (err, "unexpectedly deleted")) status = 0; if (status < 0) { char buf [255]; if (err) sprintf (buf, "Error:\n\n%s", err); else strcpy (buf, "Unknown error!"); warning_dialog (s->toplevel_widget, buf, D_NONE, 100); } } else { /* The error is that the daemon isn't running; offer to restart it. */ const char *d = DisplayString (GDK_DISPLAY()); char msg [1024]; sprintf (msg, _("Warning:\n\n" "The XScreenSaver daemon doesn't seem to be running\n" "on display \"%s\". Launch it now?"), d); warning_dialog (s->toplevel_widget, msg, D_LAUNCH, 1); } } if (err) free (err); sensitize_menu_items (s, False); } /* Button callbacks According to Eric Lassauge, this G_MODULE_EXPORT crud is needed to make libglade work on Cygwin; apparently all Glade callbacks need this magic extra declaration. I do not pretend to understand. */ G_MODULE_EXPORT void exit_menu_cb (GtkMenuItem *menuitem, gpointer user_data) { state *s = global_state_kludge; /* I hate C so much... */ flush_dialog_changes_and_save (s); kill_preview_subproc (s, False); gtk_main_quit (); } static gboolean wm_toplevel_close_cb (GtkWidget *widget, GdkEvent *event, gpointer data) { state *s = (state *) data; flush_dialog_changes_and_save (s); gtk_main_quit (); return TRUE; } G_MODULE_EXPORT void about_menu_cb (GtkMenuItem *menuitem, gpointer user_data) { char msg [2048]; char *vers = strdup (screensaver_id + 4); char *s, *s2; char copy[1024]; char year[5]; char *desc = _("For updates, check https://www.jwz.org/xscreensaver/"); s = strchr (vers, ','); *s = 0; s += 2; s2 = vers; s2 = strrchr (vers, '-'); s2++; strncpy (year, s2, 4); year[4] = 0; /* Ole Laursen says "don't use _() here because non-ASCII characters aren't allowed in localizable string keys." (I don't want to just use (c) instead of © because that doesn't look as good in the plain-old default Latin1 "C" locale.) */ #ifdef HAVE_GTK2 sprintf(copy, ("Copyright \xC2\xA9 1991-%s %s"), year, s); #else /* !HAVE_GTK2 */ sprintf(copy, ("Copyright \251 1991-%s %s"), year, s); #endif /* !HAVE_GTK2 */ sprintf (msg, "%s\n\n%s", copy, desc); /* I can't make gnome_about_new() work here -- it starts dying in gdk_imlib_get_visual() under gnome_about_new(). If this worked, then this might be the thing to do: #ifdef HAVE_CRAPPLET { const gchar *auth[] = { 0 }; GtkWidget *about = gnome_about_new (progclass, vers, "", auth, desc, "xscreensaver.xpm"); gtk_widget_show (about); } #else / * GTK but not GNOME * / ... */ { GdkColormap *colormap; GdkPixmap *gdkpixmap; GdkBitmap *mask; GtkWidget *dialog = gtk_dialog_new (); GtkWidget *hbox, *icon, *vbox, *label1, *label2, *hb, *ok; GtkWidget *parent = GTK_WIDGET (menuitem); while (GET_PARENT (parent)) parent = GET_PARENT (parent); hbox = gtk_hbox_new (FALSE, 20); gtk_box_pack_start (GTK_BOX (GET_CONTENT_AREA (GTK_DIALOG (dialog))), hbox, TRUE, TRUE, 0); colormap = gtk_widget_get_colormap (parent); gdkpixmap = gdk_pixmap_colormap_create_from_xpm_d (NULL, colormap, &mask, NULL, (gchar **) logo_180_xpm); icon = gtk_pixmap_new (gdkpixmap, mask); gtk_misc_set_padding (GTK_MISC (icon), 10, 10); gtk_box_pack_start (GTK_BOX (hbox), icon, FALSE, FALSE, 0); vbox = gtk_vbox_new (FALSE, 0); gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0); label1 = gtk_label_new (vers); gtk_box_pack_start (GTK_BOX (vbox), label1, TRUE, TRUE, 0); gtk_label_set_justify (GTK_LABEL (label1), GTK_JUSTIFY_LEFT); gtk_misc_set_alignment (GTK_MISC (label1), 0.0, 0.75); #ifndef HAVE_GTK2 GTK_WIDGET (label1)->style = gtk_style_copy (GTK_WIDGET (label1)->style); GTK_WIDGET (label1)->style->font = gdk_font_load (get_string_resource ("about.headingFont","Dialog.Font")); gtk_widget_set_style (GTK_WIDGET (label1), GTK_WIDGET (label1)->style); #endif /* HAVE_GTK2 */ label2 = gtk_label_new (msg); gtk_box_pack_start (GTK_BOX (vbox), label2, TRUE, TRUE, 0); gtk_label_set_justify (GTK_LABEL (label2), GTK_JUSTIFY_LEFT); gtk_misc_set_alignment (GTK_MISC (label2), 0.0, 0.25); #ifndef HAVE_GTK2 GTK_WIDGET (label2)->style = gtk_style_copy (GTK_WIDGET (label2)->style); GTK_WIDGET (label2)->style->font = gdk_font_load (get_string_resource ("about.bodyFont","Dialog.Font")); gtk_widget_set_style (GTK_WIDGET (label2), GTK_WIDGET (label2)->style); #endif /* HAVE_GTK2 */ hb = gtk_hbutton_box_new (); gtk_box_pack_start (GTK_BOX (GET_ACTION_AREA (GTK_DIALOG (dialog))), hb, TRUE, TRUE, 0); #ifdef HAVE_GTK2 ok = gtk_button_new_from_stock (GTK_STOCK_OK); #else /* !HAVE_GTK2 */ ok = gtk_button_new_with_label (_("OK")); #endif /* !HAVE_GTK2 */ gtk_container_add (GTK_CONTAINER (hb), ok); gtk_window_set_position (GTK_WINDOW (dialog), GTK_WIN_POS_CENTER); gtk_container_set_border_width (GTK_CONTAINER (dialog), 10); gtk_window_set_title (GTK_WINDOW (dialog), progclass); gtk_widget_show (hbox); gtk_widget_show (icon); gtk_widget_show (vbox); gtk_widget_show (label1); gtk_widget_show (label2); gtk_widget_show (hb); gtk_widget_show (ok); gtk_widget_show (dialog); gtk_signal_connect_object (GTK_OBJECT (ok), "clicked", GTK_SIGNAL_FUNC (warning_dialog_dismiss_cb), (gpointer) dialog); gdk_window_set_transient_for (GET_WINDOW (GTK_WIDGET (dialog)), GET_WINDOW (GTK_WIDGET (parent))); gdk_window_show (GET_WINDOW (GTK_WIDGET (dialog))); gdk_window_raise (GET_WINDOW (GTK_WIDGET (dialog))); } } G_MODULE_EXPORT void doc_menu_cb (GtkMenuItem *menuitem, gpointer user_data) { state *s = global_state_kludge; /* I hate C so much... */ saver_preferences *p = &s->prefs; char *help_command; if (!p->help_url || !*p->help_url) { warning_dialog (s->toplevel_widget, _("Error:\n\n" "No Help URL has been specified.\n"), D_NONE, 100); return; } help_command = (char *) malloc (strlen (p->load_url_command) + (strlen (p->help_url) * 4) + 20); strcpy (help_command, "( "); sprintf (help_command + strlen(help_command), p->load_url_command, p->help_url, p->help_url, p->help_url, p->help_url); strcat (help_command, " ) &"); if (system (help_command) < 0) fprintf (stderr, "%s: fork error\n", blurb()); free (help_command); } G_MODULE_EXPORT void file_menu_cb (GtkMenuItem *menuitem, gpointer user_data) { state *s = global_state_kludge; /* I hate C so much... */ sensitize_menu_items (s, False); } G_MODULE_EXPORT void activate_menu_cb (GtkMenuItem *menuitem, gpointer user_data) { state *s = global_state_kludge; /* I hate C so much... */ run_cmd (s, XA_ACTIVATE, 0); } G_MODULE_EXPORT void lock_menu_cb (GtkMenuItem *menuitem, gpointer user_data) { state *s = global_state_kludge; /* I hate C so much... */ run_cmd (s, XA_LOCK, 0); } G_MODULE_EXPORT void kill_menu_cb (GtkMenuItem *menuitem, gpointer user_data) { state *s = global_state_kludge; /* I hate C so much... */ run_cmd (s, XA_EXIT, 0); } G_MODULE_EXPORT void restart_menu_cb (GtkWidget *widget, gpointer user_data) { state *s = global_state_kludge; /* I hate C so much... */ flush_dialog_changes_and_save (s); xscreensaver_command (GDK_DISPLAY(), XA_EXIT, 0, False, NULL); sleep (1); if (system ("xscreensaver -nosplash &") < 0) fprintf (stderr, "%s: fork error\n", blurb()); await_xscreensaver (s); } static Bool xscreensaver_running_p (state *s) { Display *dpy = GDK_DISPLAY(); char *rversion = 0; server_xscreensaver_version (dpy, &rversion, 0, 0); if (!rversion) return False; free (rversion); return True; } static void await_xscreensaver (state *s) { int countdown = 5; Bool ok = False; while (!ok && (--countdown > 0)) if (xscreensaver_running_p (s)) ok = True; else sleep (1); /* If it's not there yet, wait a second... */ sensitize_menu_items (s, True); if (! ok) { /* Timed out, no screensaver running. */ char buf [1024]; Bool root_p = (geteuid () == 0); strcpy (buf, _("Error:\n\n" "The xscreensaver daemon did not start up properly.\n" "\n")); if (root_p) strcat (buf, STFU _("You are running as root. This usually means that xscreensaver\n" "was unable to contact your X server because access control is\n" "turned on. Try running this command:\n" "\n" " xhost +localhost\n" "\n" "and then selecting `File / Restart Daemon'.\n" "\n" "Note that turning off access control will allow anyone logged\n" "on to this machine to access your screen, which might be\n" "considered a security problem. Please read the xscreensaver\n" "manual and FAQ for more information.\n" "\n" "You shouldn't run X as root. Instead, you should log in as a\n" "normal user, and `su' as necessary.")); else strcat (buf, _("Please check your $PATH and permissions.")); warning_dialog (s->toplevel_widget, buf, D_NONE, 1); } force_dialog_repaint (s); } static int selected_list_element (state *s) { return s->_selected_list_element; } static int demo_write_init_file (state *s, saver_preferences *p) { Display *dpy = GDK_DISPLAY(); #if 0 /* #### try to figure out why shit keeps getting reordered... */ if (strcmp (s->prefs.screenhacks[0]->name, "DNA Lounge Slideshow")) abort(); #endif if (!write_init_file (dpy, p, s->short_version, False)) { if (s->debug_p) fprintf (stderr, "%s: wrote %s\n", blurb(), init_file_name()); return 0; } else { const char *f = init_file_name(); if (!f || !*f) warning_dialog (s->toplevel_widget, _("Error:\n\nCouldn't determine init file name!\n"), D_NONE, 100); else { char *b = (char *) malloc (strlen(f) + 1024); sprintf (b, _("Error:\n\nCouldn't write %s\n"), f); warning_dialog (s->toplevel_widget, b, D_NONE, 100); free (b); } return -1; } } G_MODULE_EXPORT void run_this_cb (GtkButton *button, gpointer user_data) { state *s = global_state_kludge; /* I hate C so much... */ int list_elt = selected_list_element (s); if (list_elt < 0) return; if (!flush_dialog_changes_and_save (s)) run_hack (s, list_elt, True); } G_MODULE_EXPORT void manual_cb (GtkButton *button, gpointer user_data) { Display *dpy = GDK_DISPLAY(); state *s = global_state_kludge; /* I hate C so much... */ saver_preferences *p = &s->prefs; GtkWidget *list_widget = name_to_widget (s, "list"); int list_elt = selected_list_element (s); int hack_number; char *name, *name2, *cmd, *str; char *oname = 0; if (list_elt < 0) return; hack_number = s->list_elt_to_hack_number[list_elt]; flush_dialog_changes_and_save (s); ensure_selected_item_visible (list_widget); name = strdup (p->screenhacks[hack_number]->command); name2 = name; oname = name; while (isspace (*name2)) name2++; str = name2; while (*str && !isspace (*str)) str++; *str = 0; str = strrchr (name2, '/'); if (str) name2 = str+1; cmd = get_string_resource (dpy, "manualCommand", "ManualCommand"); if (cmd) { char *cmd2 = (char *) malloc (strlen (cmd) + (strlen (name2) * 4) + 100); strcpy (cmd2, "( "); sprintf (cmd2 + strlen (cmd2), cmd, name2, name2, name2, name2); strcat (cmd2, " ) &"); if (system (cmd2) < 0) fprintf (stderr, "%s: fork error\n", blurb()); free (cmd2); } else { warning_dialog (GTK_WIDGET (button), _("Error:\n\nno `manualCommand' resource set."), D_NONE, 100); } free (oname); } static void force_list_select_item (state *s, GtkWidget *list, int list_elt, Bool scroll_p) { GtkWidget *parent = name_to_widget (s, "scroller"); gboolean was = GET_SENSITIVE (parent); #ifdef HAVE_GTK2 GtkTreeIter iter; GtkTreeModel *model; GtkTreeSelection *selection; #endif /* HAVE_GTK2 */ if (!was) gtk_widget_set_sensitive (parent, True); #ifdef HAVE_GTK2 model = gtk_tree_view_get_model (GTK_TREE_VIEW (list)); g_assert (model); if (gtk_tree_model_iter_nth_child (model, &iter, NULL, list_elt)) { selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (list)); gtk_tree_selection_select_iter (selection, &iter); } #else /* !HAVE_GTK2 */ gtk_list_select_item (GTK_LIST (list), list_elt); #endif /* !HAVE_GTK2 */ if (scroll_p) ensure_selected_item_visible (GTK_WIDGET (list)); if (!was) gtk_widget_set_sensitive (parent, False); } G_MODULE_EXPORT void run_next_cb (GtkButton *button, gpointer user_data) { state *s = global_state_kludge; /* I hate C so much... */ /* saver_preferences *p = &s->prefs; */ Bool ops = s->preview_suppressed_p; GtkWidget *list_widget = name_to_widget (s, "list"); int list_elt = selected_list_element (s); if (list_elt < 0) list_elt = 0; else list_elt++; if (list_elt >= s->list_count) list_elt = 0; s->preview_suppressed_p = True; flush_dialog_changes_and_save (s); force_list_select_item (s, list_widget, list_elt, True); populate_demo_window (s, list_elt); run_hack (s, list_elt, False); s->preview_suppressed_p = ops; } G_MODULE_EXPORT void run_prev_cb (GtkButton *button, gpointer user_data) { state *s = global_state_kludge; /* I hate C so much... */ /* saver_preferences *p = &s->prefs; */ Bool ops = s->preview_suppressed_p; GtkWidget *list_widget = name_to_widget (s, "list"); int list_elt = selected_list_element (s); if (list_elt < 0) list_elt = s->list_count - 1; else list_elt--; if (list_elt < 0) list_elt = s->list_count - 1; s->preview_suppressed_p = True; flush_dialog_changes_and_save (s); force_list_select_item (s, list_widget, list_elt, True); populate_demo_window (s, list_elt); run_hack (s, list_elt, False); s->preview_suppressed_p = ops; } /* Writes the given settings into prefs. Returns true if there was a change, False otherwise. command and/or visual may be 0, or enabled_p may be -1, meaning "no change". */ static Bool flush_changes (state *s, int list_elt, int enabled_p, const char *command, const char *visual) { saver_preferences *p = &s->prefs; Bool changed = False; screenhack *hack; int hack_number; if (list_elt < 0 || list_elt >= s->list_count) abort(); hack_number = s->list_elt_to_hack_number[list_elt]; hack = p->screenhacks[hack_number]; if (enabled_p != -1 && enabled_p != hack->enabled_p) { hack->enabled_p = enabled_p; changed = True; if (s->debug_p) fprintf (stderr, "%s: \"%s\": enabled => %d\n", blurb(), hack->name, enabled_p); } if (command) { if (!hack->command || !!strcmp (command, hack->command)) { if (hack->command) free (hack->command); hack->command = strdup (command); changed = True; if (s->debug_p) fprintf (stderr, "%s: \"%s\": command => \"%s\"\n", blurb(), hack->name, command); } } if (visual) { const char *ov = hack->visual; if (!ov || !*ov) ov = "any"; if (!*visual) visual = "any"; if (!!strcasecmp (visual, ov)) { if (hack->visual) free (hack->visual); hack->visual = strdup (visual); changed = True; if (s->debug_p) fprintf (stderr, "%s: \"%s\": visual => \"%s\"\n", blurb(), hack->name, visual); } } return changed; } /* Helper for the text fields that contain time specifications: this parses the text, and does error checking. */ static void hack_time_text (state *s, const char *line, Time *store, Bool sec_p) { if (*line) { int value; if (!sec_p || strchr (line, ':')) value = parse_time ((char *) line, sec_p, True); else { char c; if (sscanf (line, "%d%c", &value, &c) != 1) value = -1; if (!sec_p) value *= 60; } value *= 1000; /* Time measures in microseconds */ if (value < 0) { char b[255]; sprintf (b, _("Error:\n\n" "Unparsable time format: \"%s\"\n"), line); warning_dialog (s->toplevel_widget, b, D_NONE, 100); } else *store = value; } } static Bool directory_p (const char *path) { struct stat st; if (!path || !*path) return False; else if (stat (path, &st)) return False; else if (!S_ISDIR (st.st_mode)) return False; else return True; } static Bool file_p (const char *path) { struct stat st; if (!path || !*path) return False; else if (stat (path, &st)) return False; else if (S_ISDIR (st.st_mode)) return False; else return True; } static char * normalize_directory (const char *path) { int L; char *p2, *s; if (!path || !*path) return 0; L = strlen (path); p2 = (char *) malloc (L + 2); strcpy (p2, path); if (p2[L-1] == '/') /* remove trailing slash */ p2[--L] = 0; for (s = p2; s && *s; s++) { if (*s == '/' && (!strncmp (s, "/../", 4) || /* delete "XYZ/../" */ !strncmp (s, "/..\000", 4))) /* delete "XYZ/..$" */ { char *s0 = s; while (s0 > p2 && s0[-1] != '/') s0--; if (s0 > p2) { s0--; s += 3; /* strcpy (s0, s); */ memmove(s0, s, strlen(s) + 1); s = s0-1; } } else if (*s == '/' && !strncmp (s, "/./", 3)) { /* delete "/./" */ /* strcpy (s, s+2), s--; */ memmove(s, s+2, strlen(s+2) + 1); s--; } else if (*s == '/' && !strncmp (s, "/.\000", 3)) /* delete "/.$" */ *s = 0, s--; } /* Normalize consecutive slashes. Ignore doubled slashes after ":" to avoid mangling URLs. */ for (s = p2; s && *s; s++){ if (*s == ':') continue; if (!s[1] || !s[2]) continue; while (s[1] == '/' && s[2] == '/') /* strcpy (s+1, s+2); */ memmove (s+1, s+2, strlen(s+2) + 1); } /* and strip trailing whitespace for good measure. */ L = strlen(p2); while (isspace(p2[L-1])) p2[--L] = 0; return p2; } #ifdef HAVE_GTK2 typedef struct { state *s; int i; Bool *changed; } FlushForeachClosure; static gboolean flush_checkbox (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data) { FlushForeachClosure *closure = data; gboolean checked; gtk_tree_model_get (model, iter, COL_ENABLED, &checked, -1); if (flush_changes (closure->s, closure->i, checked, 0, 0)) *closure->changed = True; closure->i++; /* don't remove row */ return FALSE; } #endif /* HAVE_GTK2 */ /* Flush out any changes made in the main dialog window (where changes take place immediately: clicking on a checkbox causes the init file to be written right away.) */ static Bool flush_dialog_changes_and_save (state *s) { saver_preferences *p = &s->prefs; saver_preferences P2, *p2 = &P2; #ifdef HAVE_GTK2 GtkTreeView *list_widget = GTK_TREE_VIEW (name_to_widget (s, "list")); GtkTreeModel *model = gtk_tree_view_get_model (list_widget); FlushForeachClosure closure; #else /* !HAVE_GTK2 */ GtkList *list_widget = GTK_LIST (name_to_widget (s, "list")); GList *kids = gtk_container_children (GTK_CONTAINER (list_widget)); int i; #endif /* !HAVE_GTK2 */ static Bool already_warned_about_missing_image_directory = False; /* very long name... */ Bool changed = False; GtkWidget *w; if (s->saving_p) return False; s->saving_p = True; *p2 = *p; /* Flush any checkbox changes in the list down into the prefs struct. */ #ifdef HAVE_GTK2 closure.s = s; closure.changed = &changed; closure.i = 0; gtk_tree_model_foreach (model, flush_checkbox, &closure); #else /* !HAVE_GTK2 */ for (i = 0; kids; kids = kids->next, i++) { GtkWidget *line = GTK_WIDGET (kids->data); GtkWidget *line_hbox = GTK_WIDGET (GTK_BIN (line)->child); GtkWidget *line_check = GTK_WIDGET (gtk_container_children (GTK_CONTAINER (line_hbox))->data); Bool checked = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (line_check)); if (flush_changes (s, i, (checked ? 1 : 0), 0, 0)) changed = True; } #endif /* ~HAVE_GTK2 */ /* Flush the non-hack-specific settings down into the prefs struct. */ # define SECONDS(FIELD,NAME) \ w = name_to_widget (s, (NAME)); \ hack_time_text (s, gtk_entry_get_text (GTK_ENTRY (w)), (FIELD), True) # define MINUTES(FIELD,NAME) \ w = name_to_widget (s, (NAME)); \ hack_time_text (s, gtk_entry_get_text (GTK_ENTRY (w)), (FIELD), False) # define CHECKBOX(FIELD,NAME) \ w = name_to_widget (s, (NAME)); \ (FIELD) = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (w)) # define PATHNAME(FIELD,NAME) \ w = name_to_widget (s, (NAME)); \ (FIELD) = normalize_directory (gtk_entry_get_text (GTK_ENTRY (w))) # define TEXT(FIELD,NAME) \ w = name_to_widget (s, (NAME)); \ (FIELD) = (char *) g_strdup(gtk_entry_get_text (GTK_ENTRY (w))) MINUTES (&p2->timeout, "timeout_spinbutton"); MINUTES (&p2->cycle, "cycle_spinbutton"); CHECKBOX (p2->lock_p, "lock_button"); MINUTES (&p2->lock_timeout, "lock_spinbutton"); CHECKBOX (p2->dpms_enabled_p, "dpms_button"); CHECKBOX (p2->dpms_quickoff_p, "dpms_quickoff_button"); MINUTES (&p2->dpms_standby, "dpms_standby_spinbutton"); MINUTES (&p2->dpms_suspend, "dpms_suspend_spinbutton"); MINUTES (&p2->dpms_off, "dpms_off_spinbutton"); CHECKBOX (p2->grab_desktop_p, "grab_desk_button"); CHECKBOX (p2->grab_video_p, "grab_video_button"); CHECKBOX (p2->random_image_p, "grab_image_button"); PATHNAME (p2->image_directory, "image_text"); #if 0 CHECKBOX (p2->verbose_p, "verbose_button"); CHECKBOX (p2->capture_stderr_p, "capture_button"); CHECKBOX (p2->splash_p, "splash_button"); #endif { Bool v = False; CHECKBOX (v, "text_host_radio"); if (v) p2->tmode = TEXT_DATE; CHECKBOX (v, "text_radio"); if (v) p2->tmode = TEXT_LITERAL; CHECKBOX (v, "text_file_radio"); if (v) p2->tmode = TEXT_FILE; CHECKBOX (v, "text_program_radio"); if (v) p2->tmode = TEXT_PROGRAM; CHECKBOX (v, "text_url_radio"); if (v) p2->tmode = TEXT_URL; TEXT (p2->text_literal, "text_entry"); PATHNAME (p2->text_file, "text_file_entry"); PATHNAME (p2->text_program, "text_program_entry"); PATHNAME (p2->text_program, "text_program_entry"); TEXT (p2->text_url, "text_url_entry"); } CHECKBOX (p2->install_cmap_p, "install_button"); CHECKBOX (p2->fade_p, "fade_button"); CHECKBOX (p2->unfade_p, "unfade_button"); SECONDS (&p2->fade_seconds, "fade_spinbutton"); # undef SECONDS # undef MINUTES # undef CHECKBOX # undef PATHNAME # undef TEXT /* Warn if the image directory doesn't exist, when: - not being warned before - image directory is changed and the directory doesn't exist - image directory does not begin with http:// */ if (p2->image_directory && *p2->image_directory && !directory_p (p2->image_directory) && strncmp(p2->image_directory, "http://", 6) && ( !already_warned_about_missing_image_directory || ( p->image_directory && *p->image_directory && strcmp(p->image_directory, p2->image_directory) ) ) ) { char b[255]; sprintf (b, "Warning:\n\n" "Directory does not exist: \"%s\"\n", p2->image_directory); if (warning_dialog (s->toplevel_widget, b, D_NONE, 100)) already_warned_about_missing_image_directory = True; } /* Map the mode menu to `saver_mode' enum values. */ { GtkOptionMenu *opt = GTK_OPTION_MENU (name_to_widget (s, "mode_menu")); GtkMenu *menu = GTK_MENU (gtk_option_menu_get_menu (opt)); GtkWidget *selected = gtk_menu_get_active (menu); GList *kids = gtk_container_children (GTK_CONTAINER (menu)); int menu_elt = g_list_index (kids, (gpointer) selected); if (menu_elt < 0 || menu_elt >= countof(mode_menu_order)) abort(); p2->mode = mode_menu_order[menu_elt]; } if (p2->mode == ONE_HACK) { int list_elt = selected_list_element (s); p2->selected_hack = (list_elt >= 0 ? s->list_elt_to_hack_number[list_elt] : -1); } # define COPY(field, name) \ if (p->field != p2->field) { \ changed = True; \ if (s->debug_p) \ fprintf (stderr, "%s: %s => %d\n", blurb(), name, (int) p2->field); \ } \ p->field = p2->field COPY(mode, "mode"); COPY(selected_hack, "selected_hack"); COPY(timeout, "timeout"); COPY(cycle, "cycle"); COPY(lock_p, "lock_p"); COPY(lock_timeout, "lock_timeout"); COPY(dpms_enabled_p, "dpms_enabled_p"); COPY(dpms_quickoff_p, "dpms_quickoff_enabled_p"); COPY(dpms_standby, "dpms_standby"); COPY(dpms_suspend, "dpms_suspend"); COPY(dpms_off, "dpms_off"); #if 0 COPY(verbose_p, "verbose_p"); COPY(capture_stderr_p, "capture_stderr_p"); COPY(splash_p, "splash_p"); #endif COPY(tmode, "tmode"); COPY(install_cmap_p, "install_cmap_p"); COPY(fade_p, "fade_p"); COPY(unfade_p, "unfade_p"); COPY(fade_seconds, "fade_seconds"); COPY(grab_desktop_p, "grab_desktop_p"); COPY(grab_video_p, "grab_video_p"); COPY(random_image_p, "random_image_p"); # undef COPY # define COPYSTR(FIELD,NAME) \ if (!p->FIELD || \ !p2->FIELD || \ strcmp(p->FIELD, p2->FIELD)) \ { \ changed = True; \ if (s->debug_p) \ fprintf (stderr, "%s: %s => \"%s\"\n", blurb(), NAME, p2->FIELD); \ } \ if (p->FIELD && p->FIELD != p2->FIELD) \ free (p->FIELD); \ p->FIELD = p2->FIELD; \ p2->FIELD = 0 COPYSTR(image_directory, "image_directory"); COPYSTR(text_literal, "text_literal"); COPYSTR(text_file, "text_file"); COPYSTR(text_program, "text_program"); COPYSTR(text_url, "text_url"); # undef COPYSTR populate_prefs_page (s); if (changed) { Display *dpy = GDK_DISPLAY(); Bool enabled_p = (p->dpms_enabled_p && p->mode != DONT_BLANK); sync_server_dpms_settings (dpy, enabled_p, p->dpms_quickoff_p, p->dpms_standby / 1000, p->dpms_suspend / 1000, p->dpms_off / 1000, False); changed = demo_write_init_file (s, p); } s->saving_p = False; return changed; } /* Flush out any changes made in the popup dialog box (where changes take place only when the OK button is clicked.) */ static Bool flush_popup_changes_and_save (state *s) { Bool changed = False; saver_preferences *p = &s->prefs; int list_elt = selected_list_element (s); GtkEntry *cmd = GTK_ENTRY (name_to_widget (s, "cmd_text")); GtkCombo *vis = GTK_COMBO (name_to_widget (s, "visual_combo")); const char *visual = gtk_entry_get_text (GTK_ENTRY (GTK_COMBO (vis)->entry)); const char *command = gtk_entry_get_text (cmd); char c; unsigned long id; if (s->saving_p) return False; s->saving_p = True; if (list_elt < 0) goto DONE; if (maybe_reload_init_file (s) != 0) { changed = True; goto DONE; } /* Sanity-check and canonicalize whatever the user typed into the combo box. */ if (!strcasecmp (visual, "")) visual = ""; else if (!strcasecmp (visual, "any")) visual = ""; else if (!strcasecmp (visual, "default")) visual = "Default"; else if (!strcasecmp (visual, "default-n")) visual = "Default-N"; else if (!strcasecmp (visual, "default-i")) visual = "Default-I"; else if (!strcasecmp (visual, "best")) visual = "Best"; else if (!strcasecmp (visual, "mono")) visual = "Mono"; else if (!strcasecmp (visual, "monochrome")) visual = "Mono"; else if (!strcasecmp (visual, "gray")) visual = "Gray"; else if (!strcasecmp (visual, "grey")) visual = "Gray"; else if (!strcasecmp (visual, "color")) visual = "Color"; else if (!strcasecmp (visual, "gl")) visual = "GL"; else if (!strcasecmp (visual, "staticgray")) visual = "StaticGray"; else if (!strcasecmp (visual, "staticcolor")) visual = "StaticColor"; else if (!strcasecmp (visual, "truecolor")) visual = "TrueColor"; else if (!strcasecmp (visual, "grayscale")) visual = "GrayScale"; else if (!strcasecmp (visual, "greyscale")) visual = "GrayScale"; else if (!strcasecmp (visual, "pseudocolor")) visual = "PseudoColor"; else if (!strcasecmp (visual, "directcolor")) visual = "DirectColor"; else if (1 == sscanf (visual, " %lu %c", &id, &c)) ; else if (1 == sscanf (visual, " 0x%lx %c", &id, &c)) ; else { gdk_beep (); /* unparsable */ visual = ""; gtk_entry_set_text (GTK_ENTRY (GTK_COMBO (vis)->entry), _("Any")); } changed = flush_changes (s, list_elt, -1, command, visual); if (changed) { changed = demo_write_init_file (s, p); /* Do this to re-launch the hack if (and only if) the command line has changed. */ populate_demo_window (s, selected_list_element (s)); } DONE: s->saving_p = False; return changed; } G_MODULE_EXPORT void pref_changed_cb (GtkWidget *widget, gpointer user_data) { state *s = global_state_kludge; /* I hate C so much... */ if (! s->initializing_p) { s->initializing_p = True; flush_dialog_changes_and_save (s); s->initializing_p = False; } } G_MODULE_EXPORT gboolean pref_changed_event_cb (GtkWidget *widget, GdkEvent *event, gpointer user_data) { pref_changed_cb (widget, user_data); return FALSE; } /* Callback on menu items in the "mode" options menu. */ G_MODULE_EXPORT void mode_menu_item_cb (GtkWidget *widget, gpointer user_data) { state *s = (state *) user_data; saver_preferences *p = &s->prefs; GtkWidget *list = name_to_widget (s, "list"); int list_elt; GList *menu_items = gtk_container_children (GTK_CONTAINER (GET_PARENT (widget))); int menu_index = 0; saver_mode new_mode; while (menu_items) { if (menu_items->data == widget) break; menu_index++; menu_items = menu_items->next; } if (!menu_items) abort(); new_mode = mode_menu_order[menu_index]; /* Keep the same list element displayed as before; except if we're switching *to* "one screensaver" mode from any other mode, set "the one" to be that which is currently selected. */ list_elt = selected_list_element (s); if (new_mode == ONE_HACK) p->selected_hack = s->list_elt_to_hack_number[list_elt]; { saver_mode old_mode = p->mode; p->mode = new_mode; populate_demo_window (s, list_elt); force_list_select_item (s, list, list_elt, True); p->mode = old_mode; /* put it back, so the init file gets written */ } pref_changed_cb (widget, user_data); } G_MODULE_EXPORT void switch_page_cb (GtkNotebook *notebook, GtkNotebookPage *page, gint page_num, gpointer user_data) { state *s = global_state_kludge; /* I hate C so much... */ pref_changed_cb (GTK_WIDGET (notebook), user_data); /* If we're switching to page 0, schedule the current hack to be run. Otherwise, schedule it to stop. */ if (page_num == 0) populate_demo_window (s, selected_list_element (s)); else schedule_preview (s, 0); } #ifdef HAVE_GTK2 static void list_activated_cb (GtkTreeView *list, GtkTreePath *path, GtkTreeViewColumn *column, gpointer data) { state *s = data; char *str; int list_elt; g_return_if_fail (!gdk_pointer_is_grabbed ()); str = gtk_tree_path_to_string (path); list_elt = strtol (str, NULL, 10); g_free (str); if (list_elt >= 0) run_hack (s, list_elt, True); } static void list_select_changed_cb (GtkTreeSelection *selection, gpointer data) { state *s = (state *)data; GtkTreeModel *model; GtkTreeIter iter; GtkTreePath *path; char *str; int list_elt; if (!gtk_tree_selection_get_selected (selection, &model, &iter)) return; path = gtk_tree_model_get_path (model, &iter); str = gtk_tree_path_to_string (path); list_elt = strtol (str, NULL, 10); gtk_tree_path_free (path); g_free (str); populate_demo_window (s, list_elt); flush_dialog_changes_and_save (s); /* Re-populate the Settings window any time a new item is selected in the list, in case both windows are currently visible. */ populate_popup_window (s); } #else /* !HAVE_GTK2 */ static time_t last_doubleclick_time = 0; /* FMH! This is to suppress the list_select_cb that comes in *after* we've double-clicked. */ static gint list_doubleclick_cb (GtkWidget *button, GdkEventButton *event, gpointer data) { state *s = (state *) data; if (event->type == GDK_2BUTTON_PRESS) { GtkList *list = GTK_LIST (name_to_widget (s, "list")); int list_elt = gtk_list_child_position (list, GTK_WIDGET (button)); last_doubleclick_time = time ((time_t *) 0); if (list_elt >= 0) run_hack (s, list_elt, True); } return FALSE; } static void list_select_cb (GtkList *list, GtkWidget *child, gpointer data) { state *s = (state *) data; time_t now = time ((time_t *) 0); if (now >= last_doubleclick_time + 2) { int list_elt = gtk_list_child_position (list, GTK_WIDGET (child)); populate_demo_window (s, list_elt); flush_dialog_changes_and_save (s); } } static void list_unselect_cb (GtkList *list, GtkWidget *child, gpointer data) { state *s = (state *) data; populate_demo_window (s, -1); flush_dialog_changes_and_save (s); } #endif /* !HAVE_GTK2 */ /* Called when the checkboxes that are in the left column of the scrolling list are clicked. This both populates the right pane (just as clicking on the label (really, listitem) does) and also syncs this checkbox with the right pane Enabled checkbox. */ static void list_checkbox_cb ( #ifdef HAVE_GTK2 GtkCellRendererToggle *toggle, gchar *path_string, #else /* !HAVE_GTK2 */ GtkWidget *cb, #endif /* !HAVE_GTK2 */ gpointer data) { state *s = (state *) data; #ifdef HAVE_GTK2 GtkScrolledWindow *scroller = GTK_SCROLLED_WINDOW (name_to_widget (s, "scroller")); GtkTreeView *list = GTK_TREE_VIEW (name_to_widget (s, "list")); GtkTreeModel *model = gtk_tree_view_get_model (list); GtkTreePath *path = gtk_tree_path_new_from_string (path_string); GtkTreeIter iter; gboolean active; #else /* !HAVE_GTK2 */ GtkWidget *line_hbox = GTK_WIDGET (cb)->parent; GtkWidget *line = GTK_WIDGET (line_hbox)->parent; GtkList *list = GTK_LIST (GTK_WIDGET (line)->parent); GtkViewport *vp = GTK_VIEWPORT (GTK_WIDGET (list)->parent); GtkScrolledWindow *scroller = GTK_SCROLLED_WINDOW (GTK_WIDGET (vp)->parent); #endif /* !HAVE_GTK2 */ GtkAdjustment *adj; double scroll_top; int list_elt; #ifdef HAVE_GTK2 if (!gtk_tree_model_get_iter (model, &iter, path)) { g_warning ("bad path: %s", path_string); return; } gtk_tree_path_free (path); gtk_tree_model_get (model, &iter, COL_ENABLED, &active, -1); gtk_list_store_set (GTK_LIST_STORE (model), &iter, COL_ENABLED, !active, -1); list_elt = strtol (path_string, NULL, 10); #else /* !HAVE_GTK2 */ list_elt = gtk_list_child_position (list, line); #endif /* !HAVE_GTK2 */ /* remember previous scroll position of the top of the list */ adj = gtk_scrolled_window_get_vadjustment (scroller); scroll_top = GET_ADJ_VALUE (adj); flush_dialog_changes_and_save (s); force_list_select_item (s, GTK_WIDGET (list), list_elt, False); populate_demo_window (s, list_elt); /* restore the previous scroll position of the top of the list. this is weak, but I don't really know why it's moving... */ gtk_adjustment_set_value (adj, scroll_top); } typedef struct { state *state; GtkFileSelection *widget; } file_selection_data; static void store_image_directory (GtkWidget *button, gpointer user_data) { file_selection_data *fsd = (file_selection_data *) user_data; state *s = fsd->state; GtkFileSelection *selector = fsd->widget; GtkWidget *top = s->toplevel_widget; saver_preferences *p = &s->prefs; const char *path = gtk_file_selection_get_filename (selector); if (p->image_directory && !strcmp(p->image_directory, path)) return; /* no change */ /* No warning for URLs. */ if ((!directory_p (path)) && strncmp(path, "http://", 6)) { char b[255]; sprintf (b, _("Error:\n\n" "Directory does not exist: \"%s\"\n"), path); warning_dialog (GTK_WIDGET (top), b, D_NONE, 100); return; } if (p->image_directory) free (p->image_directory); p->image_directory = normalize_directory (path); gtk_entry_set_text (GTK_ENTRY (name_to_widget (s, "image_text")), (p->image_directory ? p->image_directory : "")); demo_write_init_file (s, p); } static void store_text_file (GtkWidget *button, gpointer user_data) { file_selection_data *fsd = (file_selection_data *) user_data; state *s = fsd->state; GtkFileSelection *selector = fsd->widget; GtkWidget *top = s->toplevel_widget; saver_preferences *p = &s->prefs; const char *path = gtk_file_selection_get_filename (selector); if (p->text_file && !strcmp(p->text_file, path)) return; /* no change */ if (!file_p (path)) { char b[255]; sprintf (b, _("Error:\n\n" "File does not exist: \"%s\"\n"), path); warning_dialog (GTK_WIDGET (top), b, D_NONE, 100); return; } if (p->text_file) free (p->text_file); p->text_file = normalize_directory (path); gtk_entry_set_text (GTK_ENTRY (name_to_widget (s, "text_file_entry")), (p->text_file ? p->text_file : "")); demo_write_init_file (s, p); } static void store_text_program (GtkWidget *button, gpointer user_data) { file_selection_data *fsd = (file_selection_data *) user_data; state *s = fsd->state; GtkFileSelection *selector = fsd->widget; /*GtkWidget *top = s->toplevel_widget;*/ saver_preferences *p = &s->prefs; const char *path = gtk_file_selection_get_filename (selector); if (p->text_program && !strcmp(p->text_program, path)) return; /* no change */ # if 0 if (!file_p (path)) { char b[255]; sprintf (b, _("Error:\n\n" "File does not exist: \"%s\"\n"), path); warning_dialog (GTK_WIDGET (top), b, D_NONE, 100); return; } # endif if (p->text_program) free (p->text_program); p->text_program = normalize_directory (path); gtk_entry_set_text (GTK_ENTRY (name_to_widget (s, "text_program_entry")), (p->text_program ? p->text_program : "")); demo_write_init_file (s, p); } static void browse_image_dir_cancel (GtkWidget *button, gpointer user_data) { file_selection_data *fsd = (file_selection_data *) user_data; gtk_widget_hide (GTK_WIDGET (fsd->widget)); } static void browse_image_dir_ok (GtkWidget *button, gpointer user_data) { browse_image_dir_cancel (button, user_data); store_image_directory (button, user_data); } static void browse_text_file_ok (GtkWidget *button, gpointer user_data) { browse_image_dir_cancel (button, user_data); store_text_file (button, user_data); } static void browse_text_program_ok (GtkWidget *button, gpointer user_data) { browse_image_dir_cancel (button, user_data); store_text_program (button, user_data); } static void browse_image_dir_close (GtkWidget *widget, GdkEvent *event, gpointer user_data) { browse_image_dir_cancel (widget, user_data); } G_MODULE_EXPORT void browse_image_dir_cb (GtkButton *button, gpointer user_data) { state *s = global_state_kludge; /* I hate C so much... */ saver_preferences *p = &s->prefs; static file_selection_data *fsd = 0; GtkFileSelection *selector = GTK_FILE_SELECTION( gtk_file_selection_new ("Please select the image directory.")); if (!fsd) fsd = (file_selection_data *) malloc (sizeof (*fsd)); fsd->widget = selector; fsd->state = s; if (p->image_directory && *p->image_directory) gtk_file_selection_set_filename (selector, p->image_directory); gtk_signal_connect (GTK_OBJECT (selector->ok_button), "clicked", GTK_SIGNAL_FUNC (browse_image_dir_ok), (gpointer *) fsd); gtk_signal_connect (GTK_OBJECT (selector->cancel_button), "clicked", GTK_SIGNAL_FUNC (browse_image_dir_cancel), (gpointer *) fsd); gtk_signal_connect (GTK_OBJECT (selector), "delete_event", GTK_SIGNAL_FUNC (browse_image_dir_close), (gpointer *) fsd); gtk_widget_set_sensitive (GTK_WIDGET (selector->file_list), False); gtk_window_set_modal (GTK_WINDOW (selector), True); gtk_widget_show (GTK_WIDGET (selector)); } G_MODULE_EXPORT void browse_text_file_cb (GtkButton *button, gpointer user_data) { state *s = global_state_kludge; /* I hate C so much... */ saver_preferences *p = &s->prefs; static file_selection_data *fsd = 0; GtkFileSelection *selector = GTK_FILE_SELECTION( gtk_file_selection_new ("Please select a text file.")); if (!fsd) fsd = (file_selection_data *) malloc (sizeof (*fsd)); fsd->widget = selector; fsd->state = s; if (p->text_file && *p->text_file) gtk_file_selection_set_filename (selector, p->text_file); gtk_signal_connect (GTK_OBJECT (selector->ok_button), "clicked", GTK_SIGNAL_FUNC (browse_text_file_ok), (gpointer *) fsd); gtk_signal_connect (GTK_OBJECT (selector->cancel_button), "clicked", GTK_SIGNAL_FUNC (browse_image_dir_cancel), (gpointer *) fsd); gtk_signal_connect (GTK_OBJECT (selector), "delete_event", GTK_SIGNAL_FUNC (browse_image_dir_close), (gpointer *) fsd); gtk_window_set_modal (GTK_WINDOW (selector), True); gtk_widget_show (GTK_WIDGET (selector)); } G_MODULE_EXPORT void browse_text_program_cb (GtkButton *button, gpointer user_data) { state *s = global_state_kludge; /* I hate C so much... */ saver_preferences *p = &s->prefs; static file_selection_data *fsd = 0; GtkFileSelection *selector = GTK_FILE_SELECTION( gtk_file_selection_new ("Please select a text-generating program.")); if (!fsd) fsd = (file_selection_data *) malloc (sizeof (*fsd)); fsd->widget = selector; fsd->state = s; if (p->text_program && *p->text_program) gtk_file_selection_set_filename (selector, p->text_program); gtk_signal_connect (GTK_OBJECT (selector->ok_button), "clicked", GTK_SIGNAL_FUNC (browse_text_program_ok), (gpointer *) fsd); gtk_signal_connect (GTK_OBJECT (selector->cancel_button), "clicked", GTK_SIGNAL_FUNC (browse_image_dir_cancel), (gpointer *) fsd); gtk_signal_connect (GTK_OBJECT (selector), "delete_event", GTK_SIGNAL_FUNC (browse_image_dir_close), (gpointer *) fsd); gtk_window_set_modal (GTK_WINDOW (selector), True); gtk_widget_show (GTK_WIDGET (selector)); } G_MODULE_EXPORT void settings_cb (GtkButton *button, gpointer user_data) { state *s = global_state_kludge; /* I hate C so much... */ int list_elt = selected_list_element (s); populate_demo_window (s, list_elt); /* reset the widget */ populate_popup_window (s); /* create UI on popup window */ gtk_widget_show (s->popup_widget); } static void settings_sync_cmd_text (state *s) { # ifdef HAVE_XML GtkWidget *cmd = GTK_WIDGET (name_to_widget (s, "cmd_text")); char *cmd_line = get_configurator_command_line (s->cdata, False); gtk_entry_set_text (GTK_ENTRY (cmd), cmd_line); gtk_entry_set_position (GTK_ENTRY (cmd), strlen (cmd_line)); free (cmd_line); # endif /* HAVE_XML */ } G_MODULE_EXPORT void settings_adv_cb (GtkButton *button, gpointer user_data) { state *s = global_state_kludge; /* I hate C so much... */ GtkNotebook *notebook = GTK_NOTEBOOK (name_to_widget (s, "opt_notebook")); settings_sync_cmd_text (s); gtk_notebook_set_page (notebook, 1); } G_MODULE_EXPORT void settings_std_cb (GtkButton *button, gpointer user_data) { state *s = global_state_kludge; /* I hate C so much... */ GtkNotebook *notebook = GTK_NOTEBOOK (name_to_widget (s, "opt_notebook")); /* Re-create UI to reflect the in-progress command-line settings. */ populate_popup_window (s); gtk_notebook_set_page (notebook, 0); } G_MODULE_EXPORT void settings_reset_cb (GtkButton *button, gpointer user_data) { # ifdef HAVE_XML state *s = global_state_kludge; /* I hate C so much... */ GtkWidget *cmd = GTK_WIDGET (name_to_widget (s, "cmd_text")); char *cmd_line = get_configurator_command_line (s->cdata, True); gtk_entry_set_text (GTK_ENTRY (cmd), cmd_line); gtk_entry_set_position (GTK_ENTRY (cmd), strlen (cmd_line)); free (cmd_line); populate_popup_window (s); # endif /* HAVE_XML */ } G_MODULE_EXPORT void settings_switch_page_cb (GtkNotebook *notebook, GtkNotebookPage *page, gint page_num, gpointer user_data) { state *s = global_state_kludge; /* I hate C so much... */ GtkWidget *adv = name_to_widget (s, "adv_button"); GtkWidget *std = name_to_widget (s, "std_button"); if (page_num == 0) { gtk_widget_show (adv); gtk_widget_hide (std); } else if (page_num == 1) { gtk_widget_hide (adv); gtk_widget_show (std); } else abort(); } G_MODULE_EXPORT void settings_cancel_cb (GtkButton *button, gpointer user_data) { state *s = global_state_kludge; /* I hate C so much... */ gtk_widget_hide (s->popup_widget); } G_MODULE_EXPORT void settings_ok_cb (GtkButton *button, gpointer user_data) { state *s = global_state_kludge; /* I hate C so much... */ GtkNotebook *notebook = GTK_NOTEBOOK (name_to_widget (s, "opt_notebook")); int page = gtk_notebook_get_current_page (notebook); if (page == 0) /* Regenerate the command-line from the widget contents before saving. But don't do this if we're looking at the command-line page already, or we will blow away what they typed... */ settings_sync_cmd_text (s); flush_popup_changes_and_save (s); gtk_widget_hide (s->popup_widget); } static gboolean wm_popup_close_cb (GtkWidget *widget, GdkEvent *event, gpointer data) { state *s = (state *) data; settings_cancel_cb (0, (gpointer) s); return TRUE; } /* Populating the various widgets */ /* Returns the number of the last hack run by the server. */ static int server_current_hack (void) { Atom type; int format; unsigned long nitems, bytesafter; unsigned char *dataP = 0; Display *dpy = GDK_DISPLAY(); int hack_number = -1; if (XGetWindowProperty (dpy, RootWindow (dpy, 0), /* always screen #0 */ XA_SCREENSAVER_STATUS, 0, 3, False, XA_INTEGER, &type, &format, &nitems, &bytesafter, &dataP) == Success && type == XA_INTEGER && nitems >= 3 && dataP) { PROP32 *data = (PROP32 *) dataP; hack_number = (int) data[2] - 1; } if (dataP) XFree (dataP); return hack_number; } /* Finds the number of the last hack that was run, and makes that item be selected by default. */ static void scroll_to_current_hack (state *s) { saver_preferences *p = &s->prefs; int hack_number = -1; if (p->mode == ONE_HACK) /* in "one" mode, use the one */ hack_number = p->selected_hack; if (hack_number < 0) /* otherwise, use the last-run */ hack_number = server_current_hack (); if (hack_number < 0) /* failing that, last "one mode" */ hack_number = p->selected_hack; if (hack_number < 0) /* failing that, newest hack. */ { /* We should only get here if the user does not have a .xscreensaver file, and the screen has not been blanked with a hack since X started up: in other words, this is probably a fresh install. Instead of just defaulting to hack #0 (in either "programs" or "alphabetical" order) let's try to default to the last runnable hack in the "programs" list: this is probably the hack that was most recently added to the xscreensaver distribution (and so it's probably the currently-coolest one!) */ hack_number = p->screenhacks_count-1; while (hack_number > 0 && ! (s->hacks_available_p[hack_number] && p->screenhacks[hack_number]->enabled_p)) hack_number--; } if (hack_number >= 0 && hack_number < p->screenhacks_count) { int list_elt = s->hack_number_to_list_elt[hack_number]; GtkWidget *list = name_to_widget (s, "list"); force_list_select_item (s, list, list_elt, True); populate_demo_window (s, list_elt); } } static void populate_hack_list (state *s) { Display *dpy = GDK_DISPLAY(); #ifdef HAVE_GTK2 saver_preferences *p = &s->prefs; GtkTreeView *list = GTK_TREE_VIEW (name_to_widget (s, "list")); GtkListStore *model; GtkTreeSelection *selection; GtkCellRenderer *ren; GtkTreeIter iter; int i; g_object_get (G_OBJECT (list), "model", &model, NULL); if (!model) { model = gtk_list_store_new (COL_LAST, G_TYPE_BOOLEAN, G_TYPE_STRING); g_object_set (G_OBJECT (list), "model", model, NULL); g_object_unref (model); ren = gtk_cell_renderer_toggle_new (); gtk_tree_view_insert_column_with_attributes (list, COL_ENABLED, _("Use"), ren, "active", COL_ENABLED, NULL); g_signal_connect (ren, "toggled", G_CALLBACK (list_checkbox_cb), s); ren = gtk_cell_renderer_text_new (); gtk_tree_view_insert_column_with_attributes (list, COL_NAME, _("Screen Saver"), ren, "markup", COL_NAME, NULL); g_signal_connect_after (list, "row_activated", G_CALLBACK (list_activated_cb), s); selection = gtk_tree_view_get_selection (list); g_signal_connect (selection, "changed", G_CALLBACK (list_select_changed_cb), s); } for (i = 0; i < s->list_count; i++) { int hack_number = s->list_elt_to_hack_number[i]; screenhack *hack = (hack_number < 0 ? 0 : p->screenhacks[hack_number]); char *pretty_name; Bool available_p = (hack && s->hacks_available_p [hack_number]); if (!hack) continue; /* If we're to suppress uninstalled hacks, check $PATH now. */ if (p->ignore_uninstalled_p && !available_p) continue; pretty_name = (hack->name ? strdup (hack->name) : make_hack_name (dpy, hack->command)); if (!available_p) { /* Make the text foreground be the color of insensitive widgets (but don't actually make it be insensitive, since we still want to be able to click on it.) */ GtkStyle *style = gtk_widget_get_style (GTK_WIDGET (list)); GdkColor *fg = &style->fg[GTK_STATE_INSENSITIVE]; /* GdkColor *bg = &style->bg[GTK_STATE_INSENSITIVE]; */ char *buf = (char *) malloc (strlen (pretty_name) + 100); sprintf (buf, "%s", fg->red >> 8, fg->green >> 8, fg->blue >> 8, /* bg->red >> 8, bg->green >> 8, bg->blue >> 8, */ pretty_name); free (pretty_name); pretty_name = buf; } gtk_list_store_append (model, &iter); gtk_list_store_set (model, &iter, COL_ENABLED, hack->enabled_p, COL_NAME, pretty_name, -1); free (pretty_name); } #else /* !HAVE_GTK2 */ saver_preferences *p = &s->prefs; GtkList *list = GTK_LIST (name_to_widget (s, "list")); int i; for (i = 0; i < s->list_count; i++) { int hack_number = s->list_elt_to_hack_number[i]; screenhack *hack = (hack_number < 0 ? 0 : p->screenhacks[hack_number]); /* A GtkList must contain only GtkListItems, but those can contain an arbitrary widget. We add an Hbox, and inside that, a Checkbox and a Label. We handle single and double click events on the line itself, for clicking on the text, but the interior checkbox also handles its own events. */ GtkWidget *line; GtkWidget *line_hbox; GtkWidget *line_check; GtkWidget *line_label; char *pretty_name; Bool available_p = (hack && s->hacks_available_p [hack_number]); if (!hack) continue; /* If we're to suppress uninstalled hacks, check $PATH now. */ if (p->ignore_uninstalled_p && !available_p) continue; pretty_name = (hack->name ? strdup (hack->name) : make_hack_name (hack->command)); line = gtk_list_item_new (); line_hbox = gtk_hbox_new (FALSE, 0); line_check = gtk_check_button_new (); line_label = gtk_label_new (pretty_name); gtk_container_add (GTK_CONTAINER (line), line_hbox); gtk_box_pack_start (GTK_BOX (line_hbox), line_check, FALSE, FALSE, 0); gtk_box_pack_start (GTK_BOX (line_hbox), line_label, FALSE, FALSE, 0); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (line_check), hack->enabled_p); gtk_label_set_justify (GTK_LABEL (line_label), GTK_JUSTIFY_LEFT); gtk_widget_show (line_check); gtk_widget_show (line_label); gtk_widget_show (line_hbox); gtk_widget_show (line); free (pretty_name); gtk_container_add (GTK_CONTAINER (list), line); gtk_signal_connect (GTK_OBJECT (line), "button_press_event", GTK_SIGNAL_FUNC (list_doubleclick_cb), (gpointer) s); gtk_signal_connect (GTK_OBJECT (line_check), "toggled", GTK_SIGNAL_FUNC (list_checkbox_cb), (gpointer) s); gtk_widget_show (line); if (!available_p) { /* Make the widget be colored like insensitive widgets (but don't actually make it be insensitive, since we still want to be able to click on it.) */ GtkRcStyle *rc_style; GdkColor fg, bg; gtk_widget_realize (GTK_WIDGET (line_label)); fg = GTK_WIDGET (line_label)->style->fg[GTK_STATE_INSENSITIVE]; bg = GTK_WIDGET (line_label)->style->bg[GTK_STATE_INSENSITIVE]; rc_style = gtk_rc_style_new (); rc_style->fg[GTK_STATE_NORMAL] = fg; rc_style->bg[GTK_STATE_NORMAL] = bg; rc_style->color_flags[GTK_STATE_NORMAL] |= GTK_RC_FG|GTK_RC_BG; gtk_widget_modify_style (GTK_WIDGET (line_label), rc_style); gtk_rc_style_unref (rc_style); } } gtk_signal_connect (GTK_OBJECT (list), "select_child", GTK_SIGNAL_FUNC (list_select_cb), (gpointer) s); gtk_signal_connect (GTK_OBJECT (list), "unselect_child", GTK_SIGNAL_FUNC (list_unselect_cb), (gpointer) s); #endif /* !HAVE_GTK2 */ } static void update_list_sensitivity (state *s) { saver_preferences *p = &s->prefs; Bool sensitive = (p->mode == RANDOM_HACKS || p->mode == RANDOM_HACKS_SAME || p->mode == ONE_HACK); Bool checkable = (p->mode == RANDOM_HACKS || p->mode == RANDOM_HACKS_SAME); Bool blankable = (p->mode != DONT_BLANK); #ifndef HAVE_GTK2 GtkWidget *head = name_to_widget (s, "col_head_hbox"); GtkWidget *use = name_to_widget (s, "use_col_frame"); #endif /* HAVE_GTK2 */ GtkWidget *scroller = name_to_widget (s, "scroller"); GtkWidget *buttons = name_to_widget (s, "next_prev_hbox"); GtkWidget *blanker = name_to_widget (s, "blanking_table"); #ifdef HAVE_GTK2 GtkTreeView *list = GTK_TREE_VIEW (name_to_widget (s, "list")); GtkTreeViewColumn *use = gtk_tree_view_get_column (list, COL_ENABLED); #else /* !HAVE_GTK2 */ GtkList *list = GTK_LIST (name_to_widget (s, "list")); GList *kids = gtk_container_children (GTK_CONTAINER (list)); gtk_widget_set_sensitive (GTK_WIDGET (head), sensitive); #endif /* !HAVE_GTK2 */ gtk_widget_set_sensitive (GTK_WIDGET (scroller), sensitive); gtk_widget_set_sensitive (GTK_WIDGET (buttons), sensitive); gtk_widget_set_sensitive (GTK_WIDGET (blanker), blankable); #ifdef HAVE_GTK2 gtk_tree_view_column_set_visible (use, checkable); #else /* !HAVE_GTK2 */ if (checkable) gtk_widget_show (use); /* the "Use" column header */ else gtk_widget_hide (use); while (kids) { GtkBin *line = GTK_BIN (kids->data); GtkContainer *line_hbox = GTK_CONTAINER (line->child); GtkWidget *line_check = GTK_WIDGET (gtk_container_children (line_hbox)->data); if (checkable) gtk_widget_show (line_check); else gtk_widget_hide (line_check); kids = kids->next; } #endif /* !HAVE_GTK2 */ } static void populate_prefs_page (state *s) { saver_preferences *p = &s->prefs; Bool can_lock_p = True; /* Disable all the "lock" controls if locking support was not provided at compile-time, or if running on MacOS. */ # if defined(NO_LOCKING) || defined(__APPLE__) can_lock_p = False; # endif /* If there is only one screen, the mode menu contains "random" but not "random-same". */ if (s->nscreens <= 1 && p->mode == RANDOM_HACKS_SAME) p->mode = RANDOM_HACKS; /* The file supports timeouts of less than a minute, but the GUI does not, so throttle the values to be at least one minute (since "0" is a bad rounding choice...) */ # define THROTTLE(NAME) if (p->NAME != 0 && p->NAME < 60000) p->NAME = 60000 THROTTLE (timeout); THROTTLE (cycle); /* THROTTLE (passwd_timeout); */ /* GUI doesn't set this; leave it alone */ # undef THROTTLE # define FMT_MINUTES(NAME,N) \ gtk_spin_button_set_value (GTK_SPIN_BUTTON (name_to_widget (s, (NAME))), (double)((N) + 59) / (60 * 1000)) # define FMT_SECONDS(NAME,N) \ gtk_spin_button_set_value (GTK_SPIN_BUTTON (name_to_widget (s, (NAME))), (double)((N) / 1000)) FMT_MINUTES ("timeout_spinbutton", p->timeout); FMT_MINUTES ("cycle_spinbutton", p->cycle); FMT_MINUTES ("lock_spinbutton", p->lock_timeout); FMT_MINUTES ("dpms_standby_spinbutton", p->dpms_standby); FMT_MINUTES ("dpms_suspend_spinbutton", p->dpms_suspend); FMT_MINUTES ("dpms_off_spinbutton", p->dpms_off); FMT_SECONDS ("fade_spinbutton", p->fade_seconds); # undef FMT_MINUTES # undef FMT_SECONDS # define TOGGLE_ACTIVE(NAME,ACTIVEP) \ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (name_to_widget (s,(NAME))),\ (ACTIVEP)) TOGGLE_ACTIVE ("lock_button", p->lock_p); #if 0 TOGGLE_ACTIVE ("verbose_button", p->verbose_p); TOGGLE_ACTIVE ("capture_button", p->capture_stderr_p); TOGGLE_ACTIVE ("splash_button", p->splash_p); #endif TOGGLE_ACTIVE ("dpms_button", p->dpms_enabled_p); TOGGLE_ACTIVE ("dpms_quickoff_button", p->dpms_quickoff_p); TOGGLE_ACTIVE ("grab_desk_button", p->grab_desktop_p); TOGGLE_ACTIVE ("grab_video_button", p->grab_video_p); TOGGLE_ACTIVE ("grab_image_button", p->random_image_p); TOGGLE_ACTIVE ("install_button", p->install_cmap_p); TOGGLE_ACTIVE ("fade_button", p->fade_p); TOGGLE_ACTIVE ("unfade_button", p->unfade_p); switch (p->tmode) { case TEXT_LITERAL: TOGGLE_ACTIVE ("text_radio", True); break; case TEXT_FILE: TOGGLE_ACTIVE ("text_file_radio", True); break; case TEXT_PROGRAM: TOGGLE_ACTIVE ("text_program_radio", True); break; case TEXT_URL: TOGGLE_ACTIVE ("text_url_radio", True); break; default: TOGGLE_ACTIVE ("text_host_radio", True); break; } # undef TOGGLE_ACTIVE gtk_entry_set_text (GTK_ENTRY (name_to_widget (s, "image_text")), (p->image_directory ? p->image_directory : "")); gtk_widget_set_sensitive (name_to_widget (s, "image_text"), p->random_image_p); gtk_widget_set_sensitive (name_to_widget (s, "image_browse_button"), p->random_image_p); gtk_entry_set_text (GTK_ENTRY (name_to_widget (s, "text_entry")), (p->text_literal ? p->text_literal : "")); gtk_entry_set_text (GTK_ENTRY (name_to_widget (s, "text_file_entry")), (p->text_file ? p->text_file : "")); gtk_entry_set_text (GTK_ENTRY (name_to_widget (s, "text_program_entry")), (p->text_program ? p->text_program : "")); gtk_entry_set_text (GTK_ENTRY (name_to_widget (s, "text_url_entry")), (p->text_url ? p->text_url : "")); gtk_widget_set_sensitive (name_to_widget (s, "text_entry"), p->tmode == TEXT_LITERAL); gtk_widget_set_sensitive (name_to_widget (s, "text_file_entry"), p->tmode == TEXT_FILE); gtk_widget_set_sensitive (name_to_widget (s, "text_file_browse"), p->tmode == TEXT_FILE); gtk_widget_set_sensitive (name_to_widget (s, "text_program_entry"), p->tmode == TEXT_PROGRAM); gtk_widget_set_sensitive (name_to_widget (s, "text_program_browse"), p->tmode == TEXT_PROGRAM); gtk_widget_set_sensitive (name_to_widget (s, "text_url_entry"), p->tmode == TEXT_URL); /* Map the `saver_mode' enum to mode menu to values. */ { GtkOptionMenu *opt = GTK_OPTION_MENU (name_to_widget (s, "mode_menu")); int i; for (i = 0; i < countof(mode_menu_order); i++) if (mode_menu_order[i] == p->mode) break; gtk_option_menu_set_history (opt, i); update_list_sensitivity (s); } { Bool found_any_writable_cells = False; Bool fading_possible = False; Bool dpms_supported = False; Display *dpy = GDK_DISPLAY(); int nscreens = ScreenCount(dpy); /* real screens, not Xinerama */ int i; for (i = 0; i < nscreens; i++) { Screen *s = ScreenOfDisplay (dpy, i); if (has_writable_cells (s, DefaultVisualOfScreen (s))) { found_any_writable_cells = True; break; } } fading_possible = found_any_writable_cells; #ifdef HAVE_XF86VMODE_GAMMA fading_possible = True; #endif #ifdef HAVE_DPMS_EXTENSION { int op = 0, event = 0, error = 0; if (XQueryExtension (dpy, "DPMS", &op, &event, &error)) dpms_supported = True; } #endif /* HAVE_DPMS_EXTENSION */ # define SENSITIZE(NAME,SENSITIVEP) \ gtk_widget_set_sensitive (name_to_widget (s, (NAME)), (SENSITIVEP)) /* Blanking and Locking */ SENSITIZE ("lock_button", can_lock_p); SENSITIZE ("lock_spinbutton", can_lock_p && p->lock_p); SENSITIZE ("lock_mlabel", can_lock_p && p->lock_p); /* DPMS */ SENSITIZE ("dpms_frame", dpms_supported); SENSITIZE ("dpms_button", dpms_supported); SENSITIZE ("dpms_quickoff_button", dpms_supported); SENSITIZE ("dpms_standby_label", dpms_supported && p->dpms_enabled_p); SENSITIZE ("dpms_standby_mlabel", dpms_supported && p->dpms_enabled_p); SENSITIZE ("dpms_standby_spinbutton", dpms_supported && p->dpms_enabled_p); SENSITIZE ("dpms_suspend_label", dpms_supported && p->dpms_enabled_p); SENSITIZE ("dpms_suspend_mlabel", dpms_supported && p->dpms_enabled_p); SENSITIZE ("dpms_suspend_spinbutton", dpms_supported && p->dpms_enabled_p); SENSITIZE ("dpms_off_label", dpms_supported && p->dpms_enabled_p); SENSITIZE ("dpms_off_mlabel", dpms_supported && p->dpms_enabled_p); SENSITIZE ("dpms_off_spinbutton", dpms_supported && p->dpms_enabled_p); /* Colormaps */ SENSITIZE ("cmap_frame", found_any_writable_cells || fading_possible); SENSITIZE ("install_button", found_any_writable_cells); SENSITIZE ("fade_button", fading_possible); SENSITIZE ("unfade_button", fading_possible); SENSITIZE ("fade_label", (fading_possible && (p->fade_p || p->unfade_p))); SENSITIZE ("fade_spinbutton", (fading_possible && (p->fade_p || p->unfade_p))); # undef SENSITIZE } } static void populate_popup_window (state *s) { GtkLabel *doc = GTK_LABEL (name_to_widget (s, "doc")); char *doc_string = 0; /* #### not in Gtk 1.2 gtk_label_set_selectable (doc); */ # ifdef HAVE_XML if (s->cdata) { free_conf_data (s->cdata); s->cdata = 0; } { saver_preferences *p = &s->prefs; int list_elt = selected_list_element (s); int hack_number = (list_elt >= 0 && list_elt < s->list_count ? s->list_elt_to_hack_number[list_elt] : -1); screenhack *hack = (hack_number >= 0 ? p->screenhacks[hack_number] : 0); if (hack) { GtkWidget *parent = name_to_widget (s, "settings_vbox"); GtkWidget *cmd = GTK_WIDGET (name_to_widget (s, "cmd_text")); const char *cmd_line = gtk_entry_get_text (GTK_ENTRY (cmd)); s->cdata = load_configurator (cmd_line, s->debug_p); if (s->cdata && s->cdata->widget) gtk_box_pack_start (GTK_BOX (parent), s->cdata->widget, TRUE, TRUE, 0); } } doc_string = (s->cdata ? s->cdata->description : 0); # else /* !HAVE_XML */ doc_string = _("Descriptions not available: no XML support compiled in."); # endif /* !HAVE_XML */ gtk_label_set_text (doc, (doc_string ? _(doc_string) : _("No description available."))); } static void sensitize_demo_widgets (state *s, Bool sensitive_p) { const char *names[] = { "demo", "settings", "cmd_label", "cmd_text", "manual", "visual", "visual_combo" }; int i; for (i = 0; i < countof(names); i++) { GtkWidget *w = name_to_widget (s, names[i]); gtk_widget_set_sensitive (GTK_WIDGET(w), sensitive_p); } } static void sensitize_menu_items (state *s, Bool force_p) { static Bool running_p = False; static time_t last_checked = 0; time_t now = time ((time_t *) 0); const char *names[] = { "activate_menu", "lock_menu", "kill_menu", /* "demo" */ }; int i; if (force_p || now > last_checked + 10) /* check every 10 seconds */ { running_p = xscreensaver_running_p (s); last_checked = time ((time_t *) 0); } for (i = 0; i < countof(names); i++) { GtkWidget *w = name_to_widget (s, names[i]); gtk_widget_set_sensitive (GTK_WIDGET(w), running_p); } } /* When the File menu is de-posted after a "Restart Daemon" command, the window underneath doesn't repaint for some reason. I guess this is a bug in exposure handling in GTK or GDK. This works around it. */ static void force_dialog_repaint (state *s) { #if 1 /* Tell GDK to invalidate and repaint the whole window. */ GdkWindow *w = GET_WINDOW (s->toplevel_widget); GdkRegion *region = gdk_region_new (); GdkRectangle rect; rect.x = rect.y = 0; rect.width = rect.height = 32767; gdk_region_union_with_rect (region, &rect); gdk_window_invalidate_region (w, region, True); gdk_region_destroy (region); gdk_window_process_updates (w, True); #else /* Force the server to send an exposure event by creating and then destroying a window as a child of the top level shell. */ Display *dpy = GDK_DISPLAY(); Window parent = GDK_WINDOW_XWINDOW (s->toplevel_widget->window); Window w; XWindowAttributes xgwa; XGetWindowAttributes (dpy, parent, &xgwa); w = XCreateSimpleWindow (dpy, parent, 0, 0, xgwa.width, xgwa.height, 0,0,0); XMapRaised (dpy, w); XDestroyWindow (dpy, w); XSync (dpy, False); #endif } /* Even though we've given these text fields a maximum number of characters, their default size is still about 30 characters wide -- so measure out a string in their font, and resize them to just fit that. */ static void fix_text_entry_sizes (state *s) { GtkWidget *w; # if 0 /* appears no longer necessary with Gtk 1.2.10 */ const char * const spinbuttons[] = { "timeout_spinbutton", "cycle_spinbutton", "lock_spinbutton", "dpms_standby_spinbutton", "dpms_suspend_spinbutton", "dpms_off_spinbutton", "-fade_spinbutton" }; int i; int width = 0; for (i = 0; i < countof(spinbuttons); i++) { const char *n = spinbuttons[i]; int cols = 4; while (*n == '-') n++, cols--; w = GTK_WIDGET (name_to_widget (s, n)); width = gdk_text_width (w->style->font, "MMMMMMMM", cols); gtk_widget_set_usize (w, width, -2); } /* Now fix the width of the combo box. */ w = GTK_WIDGET (name_to_widget (s, "visual_combo")); w = GTK_COMBO (w)->entry; width = gdk_string_width (w->style->font, "PseudoColor___"); gtk_widget_set_usize (w, width, -2); /* Now fix the width of the file entry text. */ w = GTK_WIDGET (name_to_widget (s, "image_text")); width = gdk_string_width (w->style->font, "mmmmmmmmmmmmmm"); gtk_widget_set_usize (w, width, -2); /* Now fix the width of the command line text. */ w = GTK_WIDGET (name_to_widget (s, "cmd_text")); width = gdk_string_width (w->style->font, "mmmmmmmmmmmmmmmmmmmm"); gtk_widget_set_usize (w, width, -2); # endif /* 0 */ /* Now fix the height of the list widget: make it default to being around 10 text-lines high instead of 4. */ w = GTK_WIDGET (name_to_widget (s, "list")); { int lines = 10; int height; int leading = 3; /* approximate is ok... */ int border = 2; #ifdef HAVE_GTK2 PangoFontMetrics *pain = pango_context_get_metrics (gtk_widget_get_pango_context (w), gtk_widget_get_style (w)->font_desc, gtk_get_default_language ()); height = PANGO_PIXELS (pango_font_metrics_get_ascent (pain) + pango_font_metrics_get_descent (pain)); #else /* !HAVE_GTK2 */ height = w->style->font->ascent + w->style->font->descent; #endif /* !HAVE_GTK2 */ height += leading; height *= lines; height += border * 2; w = GTK_WIDGET (name_to_widget (s, "scroller")); gtk_widget_set_usize (w, -2, height); } } #ifndef HAVE_GTK2 /* Pixmaps for the up and down arrow buttons (yeah, this is sleazy...) */ static char *up_arrow_xpm[] = { "15 15 4 1", " c None", "- c #FFFFFF", "+ c #D6D6D6", "@ c #000000", " @ ", " @ ", " -+@ ", " -+@ ", " -+++@ ", " -+++@ ", " -+++++@ ", " -+++++@ ", " -+++++++@ ", " -+++++++@ ", " -+++++++++@ ", " -+++++++++@ ", " -+++++++++++@ ", " @@@@@@@@@@@@@ ", " ", /* Need these here because gdk_pixmap_create_from_xpm_d() walks off the end of the array (Gtk 1.2.5.) */ "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000", "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" }; static char *down_arrow_xpm[] = { "15 15 4 1", " c None", "- c #FFFFFF", "+ c #D6D6D6", "@ c #000000", " ", " ------------- ", " -+++++++++++@ ", " -+++++++++@ ", " -+++++++++@ ", " -+++++++@ ", " -+++++++@ ", " -+++++@ ", " -+++++@ ", " -+++@ ", " -+++@ ", " -+@ ", " -+@ ", " @ ", " @ ", /* Need these here because gdk_pixmap_create_from_xpm_d() walks off the end of the array (Gtk 1.2.5.) */ "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000", "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" }; static void pixmapify_button (state *s, int down_p) { GdkPixmap *pixmap; GdkBitmap *mask; GtkWidget *pixmapwid; GtkStyle *style; GtkWidget *w; w = GTK_WIDGET (name_to_widget (s, (down_p ? "next" : "prev"))); style = gtk_widget_get_style (w); mask = 0; pixmap = gdk_pixmap_create_from_xpm_d (w->window, &mask, &style->bg[GTK_STATE_NORMAL], (down_p ? (gchar **) down_arrow_xpm : (gchar **) up_arrow_xpm)); pixmapwid = gtk_pixmap_new (pixmap, mask); gtk_widget_show (pixmapwid); gtk_container_remove (GTK_CONTAINER (w), GTK_BIN (w)->child); gtk_container_add (GTK_CONTAINER (w), pixmapwid); } static void map_next_button_cb (GtkWidget *w, gpointer user_data) { state *s = (state *) user_data; pixmapify_button (s, 1); } static void map_prev_button_cb (GtkWidget *w, gpointer user_data) { state *s = (state *) user_data; pixmapify_button (s, 0); } #endif /* !HAVE_GTK2 */ #ifndef HAVE_GTK2 /* Work around a Gtk bug that causes label widgets to wrap text too early. */ static void you_are_not_a_unique_or_beautiful_snowflake (GtkWidget *label, GtkAllocation *allocation, void *foo) { GtkRequisition req; GtkWidgetAuxInfo *aux_info; aux_info = gtk_object_get_data (GTK_OBJECT (label), "gtk-aux-info"); aux_info->width = allocation->width; aux_info->height = -2; aux_info->x = -1; aux_info->y = -1; gtk_widget_size_request (label, &req); } /* Feel the love. Thanks to Nat Friedman for finding this workaround. */ static void eschew_gtk_lossage (GtkLabel *label) { GtkWidgetAuxInfo *aux_info = g_new0 (GtkWidgetAuxInfo, 1); aux_info->width = GTK_WIDGET (label)->allocation.width; aux_info->height = -2; aux_info->x = -1; aux_info->y = -1; gtk_object_set_data (GTK_OBJECT (label), "gtk-aux-info", aux_info); gtk_signal_connect (GTK_OBJECT (label), "size_allocate", GTK_SIGNAL_FUNC (you_are_not_a_unique_or_beautiful_snowflake), 0); gtk_widget_set_usize (GTK_WIDGET (label), -2, -2); gtk_widget_queue_resize (GTK_WIDGET (label)); } #endif /* !HAVE_GTK2 */ static void populate_demo_window (state *s, int list_elt) { Display *dpy = GDK_DISPLAY(); saver_preferences *p = &s->prefs; screenhack *hack; char *pretty_name; GtkFrame *frame1 = GTK_FRAME (name_to_widget (s, "preview_frame")); GtkFrame *frame2 = GTK_FRAME (name_to_widget (s, "opt_frame")); GtkEntry *cmd = GTK_ENTRY (name_to_widget (s, "cmd_text")); GtkCombo *vis = GTK_COMBO (name_to_widget (s, "visual_combo")); GtkWidget *list = GTK_WIDGET (name_to_widget (s, "list")); if (p->mode == BLANK_ONLY) { hack = 0; pretty_name = strdup (_("Blank Screen")); schedule_preview (s, 0); } else if (p->mode == DONT_BLANK) { hack = 0; pretty_name = strdup (_("Screen Saver Disabled")); schedule_preview (s, 0); } else { int hack_number = (list_elt >= 0 && list_elt < s->list_count ? s->list_elt_to_hack_number[list_elt] : -1); hack = (hack_number >= 0 ? p->screenhacks[hack_number] : 0); pretty_name = (hack ? (hack->name ? strdup (hack->name) : make_hack_name (dpy, hack->command)) : 0); if (hack) schedule_preview (s, hack->command); else schedule_preview (s, 0); } if (!pretty_name) pretty_name = strdup (_("Preview")); gtk_frame_set_label (frame1, _(pretty_name)); gtk_frame_set_label (frame2, _(pretty_name)); gtk_entry_set_text (cmd, (hack ? hack->command : "")); gtk_entry_set_position (cmd, 0); { char title[255]; sprintf (title, _("%s: %.100s Settings"), progclass, (pretty_name ? pretty_name : "???")); gtk_window_set_title (GTK_WINDOW (s->popup_widget), title); } gtk_entry_set_text (GTK_ENTRY (GTK_COMBO (vis)->entry), (hack ? (hack->visual && *hack->visual ? hack->visual : _("Any")) : "")); sensitize_demo_widgets (s, (hack ? True : False)); if (pretty_name) free (pretty_name); ensure_selected_item_visible (list); s->_selected_list_element = list_elt; } static void widget_deleter (GtkWidget *widget, gpointer data) { /* #### Well, I want to destroy these widgets, but if I do that, they get referenced again, and eventually I get a SEGV. So instead of destroying them, I'll just hide them, and leak a bunch of memory every time the disk file changes. Go go go Gtk! #### Ok, that's a lie, I get a crash even if I just hide the widget and don't ever delete it. Fuck! */ #if 0 gtk_widget_destroy (widget); #else gtk_widget_hide (widget); #endif } static char **sort_hack_cmp_names_kludge; static int sort_hack_cmp (const void *a, const void *b) { if (a == b) return 0; else { int aa = *(int *) a; int bb = *(int *) b; const char last[] = "\377\377\377\377\377\377\377\377\377\377\377"; return strcmp ((aa < 0 ? last : sort_hack_cmp_names_kludge[aa]), (bb < 0 ? last : sort_hack_cmp_names_kludge[bb])); } } static void initialize_sort_map (state *s) { Display *dpy = GDK_DISPLAY(); saver_preferences *p = &s->prefs; int i, j; if (s->list_elt_to_hack_number) free (s->list_elt_to_hack_number); if (s->hack_number_to_list_elt) free (s->hack_number_to_list_elt); if (s->hacks_available_p) free (s->hacks_available_p); s->list_elt_to_hack_number = (int *) calloc (sizeof(int), p->screenhacks_count + 1); s->hack_number_to_list_elt = (int *) calloc (sizeof(int), p->screenhacks_count + 1); s->hacks_available_p = (Bool *) calloc (sizeof(Bool), p->screenhacks_count + 1); s->total_available = 0; /* Check which hacks actually exist on $PATH */ for (i = 0; i < p->screenhacks_count; i++) { screenhack *hack = p->screenhacks[i]; int on = on_path_p (hack->command) ? 1 : 0; s->hacks_available_p[i] = on; s->total_available += on; } /* Initialize list->hack table to unsorted mapping, omitting nonexistent hacks, if desired. */ j = 0; for (i = 0; i < p->screenhacks_count; i++) { if (!p->ignore_uninstalled_p || s->hacks_available_p[i]) s->list_elt_to_hack_number[j++] = i; } s->list_count = j; for (; j < p->screenhacks_count; j++) s->list_elt_to_hack_number[j] = -1; /* Generate list of sortable names (once) */ sort_hack_cmp_names_kludge = (char **) calloc (sizeof(char *), p->screenhacks_count); for (i = 0; i < p->screenhacks_count; i++) { screenhack *hack = p->screenhacks[i]; char *name = (hack->name && *hack->name ? strdup (hack->name) : make_hack_name (dpy, hack->command)); char *str; for (str = name; *str; str++) *str = tolower(*str); sort_hack_cmp_names_kludge[i] = name; } /* Sort list->hack map alphabetically */ qsort (s->list_elt_to_hack_number, p->screenhacks_count, sizeof(*s->list_elt_to_hack_number), sort_hack_cmp); /* Free names */ for (i = 0; i < p->screenhacks_count; i++) free (sort_hack_cmp_names_kludge[i]); free (sort_hack_cmp_names_kludge); sort_hack_cmp_names_kludge = 0; /* Build inverse table */ for (i = 0; i < p->screenhacks_count; i++) { int n = s->list_elt_to_hack_number[i]; if (n != -1) s->hack_number_to_list_elt[n] = i; } } static int maybe_reload_init_file (state *s) { Display *dpy = GDK_DISPLAY(); saver_preferences *p = &s->prefs; int status = 0; static Bool reentrant_lock = False; if (reentrant_lock) return 0; reentrant_lock = True; if (init_file_changed_p (p)) { const char *f = init_file_name(); char *b; int list_elt; GtkWidget *list; if (!f || !*f) return 0; b = (char *) malloc (strlen(f) + 1024); sprintf (b, _("Warning:\n\n" "file \"%s\" has changed, reloading.\n"), f); warning_dialog (s->toplevel_widget, b, D_NONE, 100); free (b); load_init_file (dpy, p); initialize_sort_map (s); list_elt = selected_list_element (s); list = name_to_widget (s, "list"); gtk_container_foreach (GTK_CONTAINER (list), widget_deleter, NULL); populate_hack_list (s); force_list_select_item (s, list, list_elt, True); populate_prefs_page (s); populate_demo_window (s, list_elt); ensure_selected_item_visible (list); status = 1; } reentrant_lock = False; return status; } /* Making the preview window have the right X visual (so that GL works.) */ static Visual *get_best_gl_visual (state *); static GdkVisual * x_visual_to_gdk_visual (Visual *xv) { GList *gvs = gdk_list_visuals(); if (!xv) return gdk_visual_get_system(); for (; gvs; gvs = gvs->next) { GdkVisual *gv = (GdkVisual *) gvs->data; if (xv == GDK_VISUAL_XVISUAL (gv)) return gv; } fprintf (stderr, "%s: couldn't convert X Visual 0x%lx to a GdkVisual\n", blurb(), (unsigned long) xv->visualid); abort(); } static void clear_preview_window (state *s) { GtkWidget *p; GdkWindow *window; GtkStyle *style; if (!s->toplevel_widget) return; /* very early */ p = name_to_widget (s, "preview"); window = GET_WINDOW (p); if (!window) return; /* Flush the widget background down into the window, in case a subproc has changed it. */ style = gtk_widget_get_style (p); gdk_window_set_background (window, &style->bg[GTK_STATE_NORMAL]); gdk_window_clear (window); { int list_elt = selected_list_element (s); int hack_number = (list_elt >= 0 ? s->list_elt_to_hack_number[list_elt] : -1); Bool available_p = (hack_number >= 0 ? s->hacks_available_p [hack_number] : True); Bool nothing_p = (s->total_available < 5); #ifdef HAVE_GTK2 GtkWidget *notebook = name_to_widget (s, "preview_notebook"); gtk_notebook_set_page (GTK_NOTEBOOK (notebook), (s->running_preview_error_p ? (available_p ? 1 : nothing_p ? 3 : 2) : 0)); #else /* !HAVE_GTK2 */ if (s->running_preview_error_p) { const char * const lines1[] = { N_("No Preview"), N_("Available") }; const char * const lines2[] = { N_("Not"), N_("Installed") }; int nlines = countof(lines1); int lh = p->style->font->ascent + p->style->font->descent; int y, i; gint w, h; const char * const *lines = (available_p ? lines1 : lines2); gdk_window_get_size (window, &w, &h); y = (h - (lh * nlines)) / 2; y += p->style->font->ascent; for (i = 0; i < nlines; i++) { int sw = gdk_string_width (p->style->font, _(lines[i])); int x = (w - sw) / 2; gdk_draw_string (window, p->style->font, p->style->fg_gc[GTK_STATE_NORMAL], x, y, _(lines[i])); y += lh; } } #endif /* !HAVE_GTK2 */ } gdk_flush (); } static void reset_preview_window (state *s) { /* On some systems (most recently, MacOS X) OpenGL programs get confused when you kill one and re-start another on the same window. So maybe it's best to just always destroy and recreate the preview window when changing hacks, instead of always trying to reuse the same one? */ GtkWidget *pr = name_to_widget (s, "preview"); if (GET_REALIZED (pr)) { GdkWindow *window = GET_WINDOW (pr); Window oid = (window ? GDK_WINDOW_XWINDOW (window) : 0); Window id; gtk_widget_hide (pr); gtk_widget_unrealize (pr); gtk_widget_realize (pr); gtk_widget_show (pr); id = (window ? GDK_WINDOW_XWINDOW (window) : 0); if (s->debug_p) fprintf (stderr, "%s: window id 0x%X -> 0x%X\n", blurb(), (unsigned int) oid, (unsigned int) id); } } static void fix_preview_visual (state *s) { GtkWidget *widget = name_to_widget (s, "preview"); Visual *xvisual = get_best_gl_visual (s); GdkVisual *visual = x_visual_to_gdk_visual (xvisual); GdkVisual *dvisual = gdk_visual_get_system(); GdkColormap *cmap = (visual == dvisual ? gdk_colormap_get_system () : gdk_colormap_new (visual, False)); if (s->debug_p) fprintf (stderr, "%s: using %s visual 0x%lx\n", blurb(), (visual == dvisual ? "default" : "non-default"), (xvisual ? (unsigned long) xvisual->visualid : 0L)); if (!GET_REALIZED (widget) || gtk_widget_get_visual (widget) != visual) { gtk_widget_unrealize (widget); gtk_widget_set_visual (widget, visual); gtk_widget_set_colormap (widget, cmap); gtk_widget_realize (widget); } /* Set the Widget colors to be white-on-black. */ { GdkWindow *window = GET_WINDOW (widget); GtkStyle *style = gtk_style_copy (gtk_widget_get_style (widget)); GdkColormap *cmap = gtk_widget_get_colormap (widget); GdkColor *fg = &style->fg[GTK_STATE_NORMAL]; GdkColor *bg = &style->bg[GTK_STATE_NORMAL]; GdkGC *fgc = gdk_gc_new(window); GdkGC *bgc = gdk_gc_new(window); if (!gdk_color_white (cmap, fg)) abort(); if (!gdk_color_black (cmap, bg)) abort(); gdk_gc_set_foreground (fgc, fg); gdk_gc_set_background (fgc, bg); gdk_gc_set_foreground (bgc, bg); gdk_gc_set_background (bgc, fg); style->fg_gc[GTK_STATE_NORMAL] = fgc; style->bg_gc[GTK_STATE_NORMAL] = fgc; gtk_widget_set_style (widget, style); /* For debugging purposes, put a title on the window (so that it can be easily found in the output of "xwininfo -tree".) */ gdk_window_set_title (window, "Preview"); } gtk_widget_show (widget); } /* Subprocesses */ static char * subproc_pretty_name (state *s) { if (s->running_preview_cmd) { char *ps = strdup (s->running_preview_cmd); char *ss = strchr (ps, ' '); if (ss) *ss = 0; ss = strrchr (ps, '/'); if (!ss) ss = ps; else { ss = strdup (ss+1); free (ps); } return ss; } else return strdup ("???"); } static void reap_zombies (state *s) { int wait_status = 0; pid_t pid; while ((pid = waitpid (-1, &wait_status, WNOHANG|WUNTRACED)) > 0) { if (s->debug_p) { if (pid == s->running_preview_pid) { char *ss = subproc_pretty_name (s); fprintf (stderr, "%s: pid %lu (%s) died\n", blurb(), (unsigned long) pid, ss); free (ss); } else fprintf (stderr, "%s: pid %lu died\n", blurb(), (unsigned long) pid); } } } /* Mostly lifted from driver/subprocs.c */ static Visual * get_best_gl_visual (state *s) { Display *dpy = GDK_DISPLAY(); pid_t forked; int fds [2]; int in, out; char buf[1024]; char *av[10]; int ac = 0; av[ac++] = "xscreensaver-gl-helper"; av[ac] = 0; if (pipe (fds)) { perror ("error creating pipe:"); return 0; } in = fds [0]; out = fds [1]; switch ((int) (forked = fork ())) { case -1: { sprintf (buf, "%s: couldn't fork", blurb()); perror (buf); exit (1); } case 0: { int stdout_fd = 1; close (in); /* don't need this one */ close (ConnectionNumber (dpy)); /* close display fd */ if (dup2 (out, stdout_fd) < 0) /* pipe stdout */ { perror ("could not dup() a new stdout:"); return 0; } execvp (av[0], av); /* shouldn't return. */ if (errno != ENOENT) { /* Ignore "no such file or directory" errors, unless verbose. Issue all other exec errors, though. */ sprintf (buf, "%s: running %s", blurb(), av[0]); perror (buf); } /* Note that one must use _exit() instead of exit() in procs forked off of Gtk programs -- Gtk installs an atexit handler that has a copy of the X connection (which we've already closed, for safety.) If one uses exit() instead of _exit(), then one sometimes gets a spurious "Gdk-ERROR: Fatal IO error on X server" error message. */ _exit (1); /* exits fork */ break; } default: { int result = 0; int wait_status = 0; FILE *f = fdopen (in, "r"); unsigned int v = 0; char c; close (out); /* don't need this one */ *buf = 0; if (!fgets (buf, sizeof(buf)-1, f)) *buf = 0; fclose (f); /* Wait for the child to die. */ waitpid (-1, &wait_status, 0); if (1 == sscanf (buf, "0x%x %c", &v, &c)) result = (int) v; if (result == 0) { if (s->debug_p) fprintf (stderr, "%s: %s did not report a GL visual!\n", blurb(), av[0]); return 0; } else { Visual *v = id_to_visual (DefaultScreenOfDisplay (dpy), result); if (s->debug_p) fprintf (stderr, "%s: %s says the GL visual is 0x%X.\n", blurb(), av[0], result); if (!v) abort(); return v; } } } abort(); } static void kill_preview_subproc (state *s, Bool reset_p) { s->running_preview_error_p = False; reap_zombies (s); clear_preview_window (s); if (s->subproc_check_timer_id) { gtk_timeout_remove (s->subproc_check_timer_id); s->subproc_check_timer_id = 0; s->subproc_check_countdown = 0; } if (s->running_preview_pid) { int status = kill (s->running_preview_pid, SIGTERM); char *ss = subproc_pretty_name (s); if (status < 0) { if (errno == ESRCH) { if (s->debug_p) fprintf (stderr, "%s: pid %lu (%s) was already dead.\n", blurb(), (unsigned long) s->running_preview_pid, ss); } else { char buf [1024]; sprintf (buf, "%s: couldn't kill pid %lu (%s)", blurb(), (unsigned long) s->running_preview_pid, ss); perror (buf); } } else { int endstatus; waitpid(s->running_preview_pid, &endstatus, 0); if (s->debug_p) fprintf (stderr, "%s: killed pid %lu (%s)\n", blurb(), (unsigned long) s->running_preview_pid, ss); } free (ss); s->running_preview_pid = 0; if (s->running_preview_cmd) free (s->running_preview_cmd); s->running_preview_cmd = 0; } reap_zombies (s); if (reset_p) { reset_preview_window (s); clear_preview_window (s); } } /* Immediately and unconditionally launches the given process, after appending the -window-id option; sets running_preview_pid. */ static void launch_preview_subproc (state *s) { saver_preferences *p = &s->prefs; Window id; char *new_cmd = 0; pid_t forked; const char *cmd = s->desired_preview_cmd; GtkWidget *pr = name_to_widget (s, "preview"); GdkWindow *window; reset_preview_window (s); window = GET_WINDOW (pr); s->running_preview_error_p = False; if (s->preview_suppressed_p) { kill_preview_subproc (s, False); goto DONE; } new_cmd = malloc (strlen (cmd) + 40); id = (window ? GDK_WINDOW_XWINDOW (window) : 0); if (id == 0) { /* No window id? No command to run. */ free (new_cmd); new_cmd = 0; } else { strcpy (new_cmd, cmd); sprintf (new_cmd + strlen (new_cmd), " -window-id 0x%X", (unsigned int) id); } kill_preview_subproc (s, False); if (! new_cmd) { s->running_preview_error_p = True; clear_preview_window (s); goto DONE; } switch ((int) (forked = fork ())) { case -1: { char buf[255]; sprintf (buf, "%s: couldn't fork", blurb()); perror (buf); s->running_preview_error_p = True; goto DONE; break; } case 0: { close (ConnectionNumber (GDK_DISPLAY())); hack_subproc_environment (id, s->debug_p); usleep (250000); /* pause for 1/4th second before launching, to give the previous program time to die and flush its X buffer, so we don't get leftover turds on the window. */ exec_command (p->shell, new_cmd, p->nice_inferior); /* Don't bother printing an error message when we are unable to exec subprocesses; we handle that by polling the pid later. Note that one must use _exit() instead of exit() in procs forked off of Gtk programs -- Gtk installs an atexit handler that has a copy of the X connection (which we've already closed, for safety.) If one uses exit() instead of _exit(), then one sometimes gets a spurious "Gdk-ERROR: Fatal IO error on X server" error message. */ _exit (1); /* exits child fork */ break; default: if (s->running_preview_cmd) free (s->running_preview_cmd); s->running_preview_cmd = strdup (s->desired_preview_cmd); s->running_preview_pid = forked; if (s->debug_p) { char *ss = subproc_pretty_name (s); fprintf (stderr, "%s: forked %lu (%s)\n", blurb(), (unsigned long) forked, ss); free (ss); } break; } } schedule_preview_check (s); DONE: if (new_cmd) free (new_cmd); new_cmd = 0; } /* Modify $DISPLAY and $PATH for the benefit of subprocesses. */ static void hack_environment (state *s) { static const char *def_path = # ifdef DEFAULT_PATH_PREFIX DEFAULT_PATH_PREFIX; # else ""; # endif Display *dpy = GDK_DISPLAY(); const char *odpy = DisplayString (dpy); char *ndpy = (char *) malloc(strlen(odpy) + 20); strcpy (ndpy, "DISPLAY="); strcat (ndpy, odpy); if (putenv (ndpy)) abort (); if (s->debug_p) fprintf (stderr, "%s: %s\n", blurb(), ndpy); /* don't free(ndpy) -- some implementations of putenv (BSD 4.4, glibc 2.0) copy the argument, but some (libc4,5, glibc 2.1.2) do not. So we must leak it (and/or the previous setting). Yay. */ if (def_path && *def_path) { const char *opath = getenv("PATH"); char *npath = (char *) malloc(strlen(def_path) + strlen(opath) + 20); strcpy (npath, "PATH="); strcat (npath, def_path); strcat (npath, ":"); strcat (npath, opath); if (putenv (npath)) abort (); /* do not free(npath) -- see above */ if (s->debug_p) fprintf (stderr, "%s: added \"%s\" to $PATH\n", blurb(), def_path); } } static void hack_subproc_environment (Window preview_window_id, Bool debug_p) { /* Store a window ID in $XSCREENSAVER_WINDOW -- this isn't strictly necessary yet, but it will make programs work if we had invoked them with "-root" and not with "-window-id" -- which, of course, doesn't happen. */ char *nssw = (char *) malloc (40); sprintf (nssw, "XSCREENSAVER_WINDOW=0x%X", (unsigned int) preview_window_id); /* Allegedly, BSD 4.3 didn't have putenv(), but nobody runs such systems any more, right? It's not Posix, but everyone seems to have it. */ if (putenv (nssw)) abort (); if (debug_p) fprintf (stderr, "%s: %s\n", blurb(), nssw); /* do not free(nssw) -- see above */ } /* Called from a timer: Launches the currently-chosen subprocess, if it's not already running. If there's a different process running, kills it. */ static int update_subproc_timer (gpointer data) { state *s = (state *) data; if (! s->desired_preview_cmd) kill_preview_subproc (s, True); else if (!s->running_preview_cmd || !!strcmp (s->desired_preview_cmd, s->running_preview_cmd)) launch_preview_subproc (s); s->subproc_timer_id = 0; return FALSE; /* do not re-execute timer */ } static int settings_timer (gpointer data) { settings_cb (0, 0); return FALSE; } /* Call this when you think you might want a preview process running. It will set a timer that will actually launch that program a second from now, if you haven't changed your mind (to avoid double-click spazzing, etc.) `cmd' may be null meaning "no process". */ static void schedule_preview (state *s, const char *cmd) { int delay = 1000 * 0.5; /* 1/2 second hysteresis */ if (s->debug_p) { if (cmd) fprintf (stderr, "%s: scheduling preview \"%s\"\n", blurb(), cmd); else fprintf (stderr, "%s: scheduling preview death\n", blurb()); } if (s->desired_preview_cmd) free (s->desired_preview_cmd); s->desired_preview_cmd = (cmd ? strdup (cmd) : 0); if (s->subproc_timer_id) gtk_timeout_remove (s->subproc_timer_id); s->subproc_timer_id = gtk_timeout_add (delay, update_subproc_timer, s); } /* Called from a timer: Checks to see if the subproc that should be running, actually is. */ static int check_subproc_timer (gpointer data) { state *s = (state *) data; Bool again_p = True; if (s->running_preview_error_p || /* already dead */ s->running_preview_pid <= 0) { again_p = False; } else { int status; reap_zombies (s); status = kill (s->running_preview_pid, 0); if (status < 0 && errno == ESRCH) s->running_preview_error_p = True; if (s->debug_p) { char *ss = subproc_pretty_name (s); fprintf (stderr, "%s: timer: pid %lu (%s) is %s\n", blurb(), (unsigned long) s->running_preview_pid, ss, (s->running_preview_error_p ? "dead" : "alive")); free (ss); } if (s->running_preview_error_p) { clear_preview_window (s); again_p = False; } } /* Otherwise, it's currently alive. We might be checking again, or we might be satisfied. */ if (--s->subproc_check_countdown <= 0) again_p = False; if (again_p) return TRUE; /* re-execute timer */ else { s->subproc_check_timer_id = 0; s->subproc_check_countdown = 0; return FALSE; /* do not re-execute timer */ } } /* Call this just after launching a subprocess. This sets a timer that will, five times a second for two seconds, check whether the program is still running. The assumption here is that if the process didn't stay up for more than a couple of seconds, then either the program doesn't exist, or it doesn't take a -window-id argument. */ static void schedule_preview_check (state *s) { int seconds = 2; int ticks = 5; if (s->debug_p) fprintf (stderr, "%s: scheduling check\n", blurb()); if (s->subproc_check_timer_id) gtk_timeout_remove (s->subproc_check_timer_id); s->subproc_check_timer_id = gtk_timeout_add (1000 / ticks, check_subproc_timer, (gpointer) s); s->subproc_check_countdown = ticks * seconds; } static Bool screen_blanked_p (void) { Atom type; int format; unsigned long nitems, bytesafter; unsigned char *dataP = 0; Display *dpy = GDK_DISPLAY(); Bool blanked_p = False; if (XGetWindowProperty (dpy, RootWindow (dpy, 0), /* always screen #0 */ XA_SCREENSAVER_STATUS, 0, 3, False, XA_INTEGER, &type, &format, &nitems, &bytesafter, &dataP) == Success && type == XA_INTEGER && nitems >= 3 && dataP) { Atom *data = (Atom *) dataP; blanked_p = (data[0] == XA_BLANK || data[0] == XA_LOCK); } if (dataP) XFree (dataP); return blanked_p; } /* Wake up every now and then and see if the screen is blanked. If it is, kill off the small-window demo -- no point in wasting cycles by running two screensavers at once... */ static int check_blanked_timer (gpointer data) { state *s = (state *) data; Bool blanked_p = screen_blanked_p (); if (blanked_p && s->running_preview_pid) { if (s->debug_p) fprintf (stderr, "%s: screen is blanked: killing preview\n", blurb()); kill_preview_subproc (s, True); } return True; /* re-execute timer */ } /* How many screens are there (including Xinerama.) */ static int screen_count (Display *dpy) { int nscreens = ScreenCount(dpy); # ifdef HAVE_XINERAMA if (nscreens <= 1) { int event_number, error_number; if (XineramaQueryExtension (dpy, &event_number, &error_number) && XineramaIsActive (dpy)) { XineramaScreenInfo *xsi = XineramaQueryScreens (dpy, &nscreens); if (xsi) XFree (xsi); } } # endif /* HAVE_XINERAMA */ return nscreens; } /* Setting window manager icon */ static void init_icon (GdkWindow *window) { GdkBitmap *mask = 0; GdkPixmap *pixmap = gdk_pixmap_create_from_xpm_d (window, &mask, 0, (gchar **) logo_50_xpm); if (pixmap) gdk_window_set_icon (window, 0, pixmap, mask); } /* The main demo-mode command loop. */ #if 0 static Bool mapper (XrmDatabase *db, XrmBindingList bindings, XrmQuarkList quarks, XrmRepresentation *type, XrmValue *value, XPointer closure) { int i; for (i = 0; quarks[i]; i++) { if (bindings[i] == XrmBindTightly) fprintf (stderr, (i == 0 ? "" : ".")); else if (bindings[i] == XrmBindLoosely) fprintf (stderr, "*"); else fprintf (stderr, " ??? "); fprintf(stderr, "%s", XrmQuarkToString (quarks[i])); } fprintf (stderr, ": %s\n", (char *) value->addr); return False; } #endif static Window gnome_screensaver_window (Screen *screen) { Display *dpy = DisplayOfScreen (screen); Window root = RootWindowOfScreen (screen); Window parent, *kids; unsigned int nkids; Window gnome_window = 0; int i; if (! XQueryTree (dpy, root, &root, &parent, &kids, &nkids)) abort (); for (i = 0; i < nkids; i++) { Atom type; int format; unsigned long nitems, bytesafter; unsigned char *name; if (XGetWindowProperty (dpy, kids[i], XA_WM_COMMAND, 0, 128, False, XA_STRING, &type, &format, &nitems, &bytesafter, &name) == Success && type != None && !strcmp ((char *) name, "gnome-screensaver")) { gnome_window = kids[i]; break; } } if (kids) XFree ((char *) kids); return gnome_window; } static Bool gnome_screensaver_active_p (void) { Display *dpy = GDK_DISPLAY(); Window w = gnome_screensaver_window (DefaultScreenOfDisplay (dpy)); return (w ? True : False); } static void kill_gnome_screensaver (void) { Display *dpy = GDK_DISPLAY(); Window w = gnome_screensaver_window (DefaultScreenOfDisplay (dpy)); if (w) XKillClient (dpy, (XID) w); } static Bool kde_screensaver_active_p (void) { FILE *p = popen ("dcop kdesktop KScreensaverIface isEnabled 2>/dev/null", "r"); char buf[255]; fgets (buf, sizeof(buf)-1, p); pclose (p); if (!strcmp (buf, "true\n")) return True; else return False; } static void kill_kde_screensaver (void) { system ("dcop kdesktop KScreensaverIface enable false"); } static void the_network_is_not_the_computer (state *s) { Display *dpy = GDK_DISPLAY(); char *rversion = 0, *ruser = 0, *rhost = 0; char *luser, *lhost; char *msg = 0; struct passwd *p = getpwuid (getuid ()); const char *d = DisplayString (dpy); # if defined(HAVE_UNAME) struct utsname uts; if (uname (&uts) < 0) lhost = ""; else lhost = uts.nodename; # elif defined(VMS) strcpy (lhost, getenv("SYS$NODE")); # else /* !HAVE_UNAME && !VMS */ strcat (lhost, ""); # endif /* !HAVE_UNAME && !VMS */ if (p && p->pw_name) luser = p->pw_name; else luser = "???"; server_xscreensaver_version (dpy, &rversion, &ruser, &rhost); /* Make a buffer that's big enough for a number of copies of all the strings, plus some. */ msg = (char *) malloc (10 * ((rversion ? strlen(rversion) : 0) + (ruser ? strlen(ruser) : 0) + (rhost ? strlen(rhost) : 0) + strlen(lhost) + strlen(luser) + strlen(d) + 1024)); *msg = 0; if (!rversion || !*rversion) { sprintf (msg, _("Warning:\n\n" "The XScreenSaver daemon doesn't seem to be running\n" "on display \"%s\". Launch it now?"), d); } else if (p && ruser && *ruser && !!strcmp (ruser, p->pw_name)) { /* Warn that the two processes are running as different users. */ sprintf(msg, _("Warning:\n\n" "%s is running as user \"%s\" on host \"%s\".\n" "But the xscreensaver managing display \"%s\"\n" "is running as user \"%s\" on host \"%s\".\n" "\n" "Since they are different users, they won't be reading/writing\n" "the same ~/.xscreensaver file, so %s isn't\n" "going to work right.\n" "\n" "You should either re-run %s as \"%s\", or re-run\n" "xscreensaver as \"%s\".\n" "\n" "Restart the xscreensaver daemon now?\n"), progname, luser, lhost, d, (ruser ? ruser : "???"), (rhost ? rhost : "???"), progname, progname, (ruser ? ruser : "???"), luser); } else if (rhost && *rhost && !!strcmp (rhost, lhost)) { /* Warn that the two processes are running on different hosts. */ sprintf (msg, _("Warning:\n\n" "%s is running as user \"%s\" on host \"%s\".\n" "But the xscreensaver managing display \"%s\"\n" "is running as user \"%s\" on host \"%s\".\n" "\n" "If those two machines don't share a file system (that is,\n" "if they don't see the same ~%s/.xscreensaver file) then\n" "%s won't work right.\n" "\n" "Restart the daemon on \"%s\" as \"%s\" now?\n"), progname, luser, lhost, d, (ruser ? ruser : "???"), (rhost ? rhost : "???"), luser, progname, lhost, luser); } else if (!!strcmp (rversion, s->short_version)) { /* Warn that the version numbers don't match. */ sprintf (msg, _("Warning:\n\n" "This is %s version %s.\n" "But the xscreensaver managing display \"%s\"\n" "is version %s. This could cause problems.\n" "\n" "Restart the xscreensaver daemon now?\n"), progname, s->short_version, d, rversion); } if (*msg) warning_dialog (s->toplevel_widget, msg, D_LAUNCH, 1); if (rversion) free (rversion); if (ruser) free (ruser); if (rhost) free (rhost); free (msg); msg = 0; /* Note: since these dialogs are not modal, they will stack up. So we do this check *after* popping up the "xscreensaver is not running" dialog so that these are on top. Good enough. */ if (gnome_screensaver_active_p ()) warning_dialog (s->toplevel_widget, _("Warning:\n\n" "The GNOME screensaver daemon appears to be running.\n" "It must be stopped for XScreenSaver to work properly.\n" "\n" "Stop the GNOME screen saver daemon now?\n"), D_GNOME, 1); if (kde_screensaver_active_p ()) warning_dialog (s->toplevel_widget, _("Warning:\n\n" "The KDE screen saver daemon appears to be running.\n" "It must be stopped for XScreenSaver to work properly.\n" "\n" "Stop the KDE screen saver daemon now?\n"), D_KDE, 1); } /* We use this error handler so that X errors are preceeded by the name of the program that generated them. */ static int demo_ehandler (Display *dpy, XErrorEvent *error) { state *s = global_state_kludge; /* I hate C so much... */ fprintf (stderr, "\nX error in %s:\n", blurb()); XmuPrintDefaultErrorMessage (dpy, error, stderr); kill_preview_subproc (s, False); exit (-1); return 0; } /* We use this error handler so that Gtk/Gdk errors are preceeded by the name of the program that generated them; and also that we can ignore one particular bogus error message that Gdk madly spews. */ static void g_log_handler (const gchar *log_domain, GLogLevelFlags log_level, const gchar *message, gpointer user_data) { /* Ignore the message "Got event for unknown window: 0x...". Apparently some events are coming in for the xscreensaver window (presumably reply events related to the ClientMessage) and Gdk feels the need to complain about them. So, just suppress any messages that look like that one. */ if (strstr (message, "unknown window")) return; fprintf (stderr, "%s: %s-%s: %s%s", blurb(), (log_domain ? log_domain : progclass), (log_level == G_LOG_LEVEL_ERROR ? "error" : log_level == G_LOG_LEVEL_CRITICAL ? "critical" : log_level == G_LOG_LEVEL_WARNING ? "warning" : log_level == G_LOG_LEVEL_MESSAGE ? "message" : log_level == G_LOG_LEVEL_INFO ? "info" : log_level == G_LOG_LEVEL_DEBUG ? "debug" : "???"), message, ((!*message || message[strlen(message)-1] != '\n') ? "\n" : "")); } STFU static char *defaults[] = { #include "XScreenSaver_ad.h" 0 }; #if 0 #ifdef HAVE_CRAPPLET static struct poptOption crapplet_options[] = { {NULL, '\0', 0, NULL, 0} }; #endif /* HAVE_CRAPPLET */ #endif /* 0 */ const char *usage = "[--display dpy] [--prefs | --settings]" # ifdef HAVE_CRAPPLET " [--crapplet]" # endif "\n\t\t [--debug] [--sync] [--no-xshm] [--configdir dir]"; static void map_popup_window_cb (GtkWidget *w, gpointer user_data) { state *s = (state *) user_data; Boolean oi = s->initializing_p; #ifndef HAVE_GTK2 GtkLabel *label = GTK_LABEL (name_to_widget (s, "doc")); #endif s->initializing_p = True; #ifndef HAVE_GTK2 eschew_gtk_lossage (label); #endif s->initializing_p = oi; } #if 0 static void print_widget_tree (GtkWidget *w, int depth) { int i; for (i = 0; i < depth; i++) fprintf (stderr, " "); fprintf (stderr, "%s\n", gtk_widget_get_name (w)); if (GTK_IS_LIST (w)) { for (i = 0; i < depth+1; i++) fprintf (stderr, " "); fprintf (stderr, "...list kids...\n"); } else if (GTK_IS_CONTAINER (w)) { GList *kids = gtk_container_children (GTK_CONTAINER (w)); while (kids) { print_widget_tree (GTK_WIDGET (kids->data), depth+1); kids = kids->next; } } } #endif /* 0 */ static int delayed_scroll_kludge (gpointer data) { state *s = (state *) data; GtkWidget *w = GTK_WIDGET (name_to_widget (s, "list")); ensure_selected_item_visible (w); /* Oh, this is just fucking lovely, too. */ w = GTK_WIDGET (name_to_widget (s, "preview")); gtk_widget_hide (w); gtk_widget_show (w); return FALSE; /* do not re-execute timer */ } #ifdef HAVE_GTK2 static GtkWidget * create_xscreensaver_demo (void) { GtkWidget *nb; nb = name_to_widget (global_state_kludge, "preview_notebook"); gtk_notebook_set_show_tabs (GTK_NOTEBOOK (nb), FALSE); return name_to_widget (global_state_kludge, "xscreensaver_demo"); } static GtkWidget * create_xscreensaver_settings_dialog (void) { GtkWidget *w, *box; box = name_to_widget (global_state_kludge, "dialog_action_area"); w = name_to_widget (global_state_kludge, "adv_button"); gtk_button_box_set_child_secondary (GTK_BUTTON_BOX (box), w, TRUE); w = name_to_widget (global_state_kludge, "std_button"); gtk_button_box_set_child_secondary (GTK_BUTTON_BOX (box), w, TRUE); return name_to_widget (global_state_kludge, "xscreensaver_settings_dialog"); } #endif /* HAVE_GTK2 */ int main (int argc, char **argv) { XtAppContext app; state S, *s; saver_preferences *p; Bool prefs_p = False; Bool settings_p = False; int i; Display *dpy; Widget toplevel_shell; char *real_progname = argv[0]; char *window_title; char *geom = 0; Bool crapplet_p = False; char *str; #ifdef ENABLE_NLS bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR); textdomain (GETTEXT_PACKAGE); # ifdef HAVE_GTK2 bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8"); # else /* !HAVE_GTK2 */ if (!setlocale (LC_ALL, "")) fprintf (stderr, "%s: locale not supported by C library\n", real_progname); # endif /* !HAVE_GTK2 */ #endif /* ENABLE_NLS */ str = strrchr (real_progname, '/'); if (str) real_progname = str+1; s = &S; memset (s, 0, sizeof(*s)); s->initializing_p = True; p = &s->prefs; global_state_kludge = s; /* I hate C so much... */ progname = real_progname; s->short_version = (char *) malloc (5); memcpy (s->short_version, screensaver_id + 17, 4); s->short_version [4] = 0; /* Register our error message logger for every ``log domain'' known. There's no way to do this globally, so I grepped the Gtk/Gdk sources for all of the domains that seem to be in use. */ { const char * const domains[] = { 0, "Gtk", "Gdk", "GLib", "GModule", "GThread", "Gnome", "GnomeUI" }; for (i = 0; i < countof(domains); i++) g_log_set_handler (domains[i], G_LOG_LEVEL_MASK, g_log_handler, 0); } #ifdef DEFAULT_ICONDIR /* from -D on compile line */ # ifndef HAVE_GTK2 { const char *dir = DEFAULT_ICONDIR; if (*dir) add_pixmap_directory (dir); } # endif /* !HAVE_GTK2 */ #endif /* DEFAULT_ICONDIR */ /* This is gross, but Gtk understands --display and not -display... */ for (i = 1; i < argc; i++) if (argv[i][0] && argv[i][1] && !strncmp(argv[i], "-display", strlen(argv[i]))) argv[i] = "--display"; /* We need to parse this arg really early... Sigh. */ for (i = 1; i < argc; i++) { if (argv[i] && (!strcmp(argv[i], "--crapplet") || !strcmp(argv[i], "--capplet"))) { # if defined(HAVE_CRAPPLET) || defined(HAVE_GTK2) int j; crapplet_p = True; for (j = i; j < argc; j++) /* remove it from the list */ argv[j] = argv[j+1]; argc--; # else /* !HAVE_CRAPPLET && !HAVE_GTK2 */ fprintf (stderr, "%s: not compiled with --crapplet support\n", real_progname); fprintf (stderr, "%s: %s\n", real_progname, usage); exit (1); # endif /* !HAVE_CRAPPLET && !HAVE_GTK2 */ } else if (argv[i] && (!strcmp(argv[i], "--debug") || !strcmp(argv[i], "-debug") || !strcmp(argv[i], "-d"))) { int j; s->debug_p = True; for (j = i; j < argc; j++) /* remove it from the list */ argv[j] = argv[j+1]; argc--; i--; } else if (argv[i] && argc > i+1 && *argv[i+1] && (!strcmp(argv[i], "-geometry") || !strcmp(argv[i], "-geom") || !strcmp(argv[i], "-geo") || !strcmp(argv[i], "-g"))) { int j; geom = argv[i+1]; for (j = i; j < argc; j++) /* remove them from the list */ argv[j] = argv[j+2]; argc -= 2; i -= 2; } else if (argv[i] && argc > i+1 && *argv[i+1] && (!strcmp(argv[i], "--configdir"))) { int j; struct stat st; hack_configuration_path = argv[i+1]; for (j = i; j < argc; j++) /* remove them from the list */ argv[j] = argv[j+2]; argc -= 2; i -= 2; if (0 != stat (hack_configuration_path, &st)) { char buf[255]; sprintf (buf, "%s: %.200s", blurb(), hack_configuration_path); perror (buf); exit (1); } else if (!S_ISDIR (st.st_mode)) { fprintf (stderr, "%s: not a directory: %s\n", blurb(), hack_configuration_path); exit (1); } } } if (s->debug_p) fprintf (stderr, "%s: using config directory \"%s\"\n", progname, hack_configuration_path); /* Let Gtk open the X connection, then initialize Xt to use that same connection. Doctor Frankenstein would be proud. */ # ifdef HAVE_CRAPPLET if (crapplet_p) { GnomeClient *client; GnomeClientFlags flags = 0; int init_results = gnome_capplet_init ("screensaver-properties", s->short_version, argc, argv, NULL, 0, NULL); /* init_results is: 0 upon successful initialization; 1 if --init-session-settings was passed on the cmdline; 2 if --ignore was passed on the cmdline; -1 on error. So the 1 signifies just to init the settings, and quit, basically. (Meaning launch the xscreensaver daemon.) */ if (init_results < 0) { # if 0 g_error ("An initialization error occurred while " "starting xscreensaver-capplet.\n"); # else /* !0 */ fprintf (stderr, "%s: gnome_capplet_init failed: %d\n", real_progname, init_results); exit (1); # endif /* !0 */ } client = gnome_master_client (); if (client) flags = gnome_client_get_flags (client); if (flags & GNOME_CLIENT_IS_CONNECTED) { int token = gnome_startup_acquire_token ("GNOME_SCREENSAVER_PROPERTIES", gnome_client_get_id (client)); if (token) { char *session_args[20]; int i = 0; session_args[i++] = real_progname; session_args[i++] = "--capplet"; session_args[i++] = "--init-session-settings"; session_args[i] = 0; gnome_client_set_priority (client, 20); gnome_client_set_restart_style (client, GNOME_RESTART_ANYWAY); gnome_client_set_restart_command (client, i, session_args); } else { gnome_client_set_restart_style (client, GNOME_RESTART_NEVER); } gnome_client_flush (client); } if (init_results == 1) { system ("xscreensaver -nosplash &"); return 0; } } else # endif /* HAVE_CRAPPLET */ { gtk_init (&argc, &argv); } /* We must read exactly the same resources as xscreensaver. That means we must have both the same progclass *and* progname, at least as far as the resource database is concerned. So, put "xscreensaver" in argv[0] while initializing Xt. */ argv[0] = "xscreensaver"; progname = argv[0]; /* Teach Xt to use the Display that Gtk/Gdk have already opened. */ XtToolkitInitialize (); app = XtCreateApplicationContext (); dpy = GDK_DISPLAY(); XtAppSetFallbackResources (app, defaults); XtDisplayInitialize (app, dpy, progname, progclass, 0, 0, &argc, argv); toplevel_shell = XtAppCreateShell (progname, progclass, applicationShellWidgetClass, dpy, 0, 0); dpy = XtDisplay (toplevel_shell); db = XtDatabase (dpy); XtGetApplicationNameAndClass (dpy, &progname, &progclass); XSetErrorHandler (demo_ehandler); /* Let's just ignore these. They seem to confuse Irix Gtk... */ signal (SIGPIPE, SIG_IGN); /* After doing Xt-style command-line processing, complain about any unrecognized command-line arguments. */ for (i = 1; i < argc; i++) { char *str = argv[i]; if (str[0] == '-' && str[1] == '-') str++; if (!strcmp (str, "-prefs")) prefs_p = True; else if (!strcmp (str, "-settings")) settings_p = True; else if (crapplet_p) /* There are lots of random args that we don't care about when we're started as a crapplet, so just ignore unknown args in that case. */ ; else { fprintf (stderr, _("%s: unknown option: %s\n"), real_progname, argv[i]); fprintf (stderr, "%s: %s\n", real_progname, usage); exit (1); } } /* Load the init file, which may end up consulting the X resource database and the site-wide app-defaults file. Note that at this point, it's important that `progname' be "xscreensaver", rather than whatever was in argv[0]. */ p->db = db; s->nscreens = screen_count (dpy); hack_environment (s); /* must be before initialize_sort_map() */ load_init_file (dpy, p); initialize_sort_map (s); /* Now that Xt has been initialized, and the resources have been read, we can set our `progname' variable to something more in line with reality. */ progname = real_progname; #if 0 /* Print out all the resources we read. */ { XrmName name = { 0 }; XrmClass class = { 0 }; int count = 0; XrmEnumerateDatabase (db, &name, &class, XrmEnumAllLevels, mapper, (POINTER) &count); } #endif /* Intern the atoms that xscreensaver_command() needs. */ XA_VROOT = XInternAtom (dpy, "__SWM_VROOT", False); XA_SCREENSAVER = XInternAtom (dpy, "SCREENSAVER", False); XA_SCREENSAVER_VERSION = XInternAtom (dpy, "_SCREENSAVER_VERSION",False); XA_SCREENSAVER_STATUS = XInternAtom (dpy, "_SCREENSAVER_STATUS", False); XA_SCREENSAVER_ID = XInternAtom (dpy, "_SCREENSAVER_ID", False); XA_SCREENSAVER_RESPONSE = XInternAtom (dpy, "_SCREENSAVER_RESPONSE", False); XA_SELECT = XInternAtom (dpy, "SELECT", False); XA_DEMO = XInternAtom (dpy, "DEMO", False); XA_ACTIVATE = XInternAtom (dpy, "ACTIVATE", False); XA_BLANK = XInternAtom (dpy, "BLANK", False); XA_LOCK = XInternAtom (dpy, "LOCK", False); XA_EXIT = XInternAtom (dpy, "EXIT", False); XA_RESTART = XInternAtom (dpy, "RESTART", False); /* Create the window and all its widgets. */ s->base_widget = create_xscreensaver_demo (); s->popup_widget = create_xscreensaver_settings_dialog (); s->toplevel_widget = s->base_widget; /* Set the main window's title. */ { char *base_title = _("Screensaver Preferences"); char *v = (char *) strdup(strchr(screensaver_id, ' ')); char *s1, *s2, *s3, *s4; s1 = (char *) strchr(v, ' '); s1++; s2 = (char *) strchr(s1, ' '); s3 = (char *) strchr(v, '('); s3++; s4 = (char *) strchr(s3, ')'); *s2 = 0; *s4 = 0; window_title = (char *) malloc (strlen (base_title) + strlen (progclass) + strlen (s1) + strlen (s3) + 100); sprintf (window_title, "%s (%s %s, %s)", base_title, progclass, s1, s3); gtk_window_set_title (GTK_WINDOW (s->toplevel_widget), window_title); gtk_window_set_title (GTK_WINDOW (s->popup_widget), window_title); free (v); } /* Adjust the (invisible) notebooks on the popup dialog... */ { GtkNotebook *notebook = GTK_NOTEBOOK (name_to_widget (s, "opt_notebook")); GtkWidget *std = GTK_WIDGET (name_to_widget (s, "std_button")); int page = 0; # ifdef HAVE_XML gtk_widget_hide (std); # else /* !HAVE_XML */ /* Make the advanced page be the only one available. */ gtk_widget_set_sensitive (std, False); std = GTK_WIDGET (name_to_widget (s, "adv_button")); gtk_widget_hide (std); std = GTK_WIDGET (name_to_widget (s, "reset_button")); gtk_widget_hide (std); page = 1; # endif /* !HAVE_XML */ gtk_notebook_set_page (notebook, page); gtk_notebook_set_show_tabs (notebook, False); } /* Various other widget initializations... */ gtk_signal_connect (GTK_OBJECT (s->toplevel_widget), "delete_event", GTK_SIGNAL_FUNC (wm_toplevel_close_cb), (gpointer) s); gtk_signal_connect (GTK_OBJECT (s->popup_widget), "delete_event", GTK_SIGNAL_FUNC (wm_popup_close_cb), (gpointer) s); populate_hack_list (s); populate_prefs_page (s); sensitize_demo_widgets (s, False); fix_text_entry_sizes (s); scroll_to_current_hack (s); gtk_signal_connect (GTK_OBJECT (name_to_widget (s, "cancel_button")), "map", GTK_SIGNAL_FUNC(map_popup_window_cb), (gpointer) s); #ifndef HAVE_GTK2 gtk_signal_connect (GTK_OBJECT (name_to_widget (s, "prev")), "map", GTK_SIGNAL_FUNC(map_prev_button_cb), (gpointer) s); gtk_signal_connect (GTK_OBJECT (name_to_widget (s, "next")), "map", GTK_SIGNAL_FUNC(map_next_button_cb), (gpointer) s); #endif /* !HAVE_GTK2 */ /* Hook up callbacks to the items on the mode menu. */ { GtkOptionMenu *opt = GTK_OPTION_MENU (name_to_widget (s, "mode_menu")); GtkMenu *menu = GTK_MENU (gtk_option_menu_get_menu (opt)); GList *kids = gtk_container_children (GTK_CONTAINER (menu)); int i; for (i = 0; kids; kids = kids->next, i++) { gtk_signal_connect (GTK_OBJECT (kids->data), "activate", GTK_SIGNAL_FUNC (mode_menu_item_cb), (gpointer) s); /* The "random-same" mode menu item does not appear unless there are multple screens. */ if (s->nscreens <= 1 && mode_menu_order[i] == RANDOM_HACKS_SAME) gtk_widget_hide (GTK_WIDGET (kids->data)); } if (s->nscreens <= 1) /* recompute option-menu size */ { gtk_widget_unrealize (GTK_WIDGET (menu)); gtk_widget_realize (GTK_WIDGET (menu)); } } /* Handle the -prefs command-line argument. */ if (prefs_p) { GtkNotebook *notebook = GTK_NOTEBOOK (name_to_widget (s, "notebook")); gtk_notebook_set_page (notebook, 1); } # ifdef HAVE_CRAPPLET if (crapplet_p) { GtkWidget *capplet; GtkWidget *outer_vbox; gtk_widget_hide (s->toplevel_widget); capplet = capplet_widget_new (); /* Make there be a "Close" button instead of "OK" and "Cancel" */ # ifdef HAVE_CRAPPLET_IMMEDIATE capplet_widget_changes_are_immediate (CAPPLET_WIDGET (capplet)); # endif /* HAVE_CRAPPLET_IMMEDIATE */ /* In crapplet-mode, take off the menubar. */ gtk_widget_hide (name_to_widget (s, "menubar")); /* Reparent our top-level container to be a child of the capplet window. */ outer_vbox = GTK_BIN (s->toplevel_widget)->child; gtk_widget_ref (outer_vbox); gtk_container_remove (GTK_CONTAINER (s->toplevel_widget), outer_vbox); STFU GTK_OBJECT_SET_FLAGS (outer_vbox, GTK_FLOATING); gtk_container_add (GTK_CONTAINER (capplet), outer_vbox); /* Find the window above us, and set the title and close handler. */ { GtkWidget *window = capplet; while (window && !GTK_IS_WINDOW (window)) window = GET_PARENT (window); if (window) { gtk_window_set_title (GTK_WINDOW (window), window_title); gtk_signal_connect (GTK_OBJECT (window), "delete_event", GTK_SIGNAL_FUNC (wm_toplevel_close_cb), (gpointer) s); } } s->toplevel_widget = capplet; } # endif /* HAVE_CRAPPLET */ /* The Gnome folks hate the menubar. I think it's important to have access to the commands on the File menu (Restart Daemon, etc.) and to the About and Documentation commands on the Help menu. */ #if 0 #ifdef HAVE_GTK2 gtk_widget_hide (name_to_widget (s, "menubar")); #endif #endif free (window_title); window_title = 0; #ifdef HAVE_GTK2 /* After picking the default size, allow -geometry to override it. */ if (geom) gtk_window_parse_geometry (GTK_WINDOW (s->toplevel_widget), geom); #endif gtk_widget_show (s->toplevel_widget); init_icon (GET_WINDOW (GTK_WIDGET (s->toplevel_widget))); /* after `show' */ fix_preview_visual (s); /* Realize page zero, so that we can diddle the scrollbar when the user tabs back to it -- otherwise, the current hack isn't scrolled to the first time they tab back there, when started with "-prefs". (Though it is if they then tab away, and back again.) #### Bah! This doesn't work. Gtk eats my ass! Someone who #### understands this crap, explain to me how to make this work. */ gtk_widget_realize (name_to_widget (s, "demos_table")); gtk_timeout_add (60 * 1000, check_blanked_timer, s); /* Handle the --settings command-line argument. */ if (settings_p) gtk_timeout_add (500, settings_timer, 0); /* Issue any warnings about the running xscreensaver daemon. */ if (! s->debug_p) the_network_is_not_the_computer (s); if (senesculent_p()) warning_dialog (s->toplevel_widget, _("Warning:\n\n" "This version of xscreensaver is VERY OLD!\n" "Please upgrade!\n" "\n" "https://www.jwz.org/xscreensaver/\n" "\n" "(If this is the latest version that your distro ships, then\n" "your distro is doing you a disservice. Build from source.)\n" ), D_NONE, 7); /* Run the Gtk event loop, and not the Xt event loop. This means that if there were Xt timers or fds registered, they would never get serviced, and if there were any Xt widgets, they would never have events delivered. Fortunately, we're using Gtk for all of the UI, and only initialized Xt so that we could process the command line and use the X resource manager. */ s->initializing_p = False; /* This totally sucks -- set a timer that whacks the scrollbar 0.5 seconds after we start up. Otherwise, it always appears scrolled to the top when in crapplet-mode. */ gtk_timeout_add (500, delayed_scroll_kludge, s); #if 1 /* Load every configurator in turn, to scan them for errors all at once. */ if (s->debug_p) { int i; for (i = 0; i < p->screenhacks_count; i++) { screenhack *hack = p->screenhacks[i]; conf_data *d = load_configurator (hack->command, s->debug_p); if (d) free_conf_data (d); } } #endif # ifdef HAVE_CRAPPLET if (crapplet_p) capplet_gtk_main (); else # endif /* HAVE_CRAPPLET */ gtk_main (); kill_preview_subproc (s, False); exit (0); } #endif /* HAVE_GTK -- whole file */