/* demo-Gtk.c --- implements the interactive demo-mode and options dialogs.
- * xscreensaver, Copyright (c) 1993-2003 Jamie Zawinski <jwz@jwz.org>
+ * xscreensaver, Copyright (c) 1993-2006 Jamie Zawinski <jwz@jwz.org>
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
# include "xmu.h"
#endif
+#ifdef HAVE_XINERAMA
+# include <X11/extensions/Xinerama.h>
+#endif /* HAVE_XINERAMA */
+
#include <gtk/gtk.h>
#ifdef HAVE_CRAPPLET
#include <gdk/gdkx.h>
#ifdef HAVE_GTK2
-#include <glade/glade-xml.h>
-#endif /* HAVE_GTK2 */
+# include <glade/glade-xml.h>
+# include <gmodule.h>
+#else /* !HAVE_GTK2 */
+# define G_MODULE_EXPORT /**/
+#endif /* !HAVE_GTK2 */
#if defined(DEFAULT_ICONDIR) && !defined(GLADE_DIR)
# define GLADE_DIR DEFAULT_ICONDIR
#include "logo-50.xpm"
#include "logo-180.xpm"
+#undef dgettext /* else these are defined twice... */
+#undef dcgettext
+
#include "demo-Gtk-widgets.h"
#include "demo-Gtk-support.h"
#include "demo-Gtk-conf.h"
/* 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);
/* The order of the items in the mode menu. */
static int mode_menu_order[] = {
- DONT_BLANK, BLANK_ONLY, ONE_HACK, RANDOM_HACKS };
+ DONT_BLANK, BLANK_ONLY, ONE_HACK, RANDOM_HACKS, RANDOM_HACKS_SAME };
typedef struct {
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;
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 *);
+static void kill_preview_subproc (state *, Bool reset_p);
static void schedule_preview_check (state *);
#endif /* HAVE_GTK2 */
if (w) return w;
- fprintf (stderr, "%s: no widget \"%s\"\n", blurb(), name);
+ fprintf (stderr, "%s: no widget \"%s\" (wrong Glade file?)\n",
+ blurb(), name);
abort();
}
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];
warning_dialog (s->toplevel_widget, buf, False, 100);
}
if (err) free (err);
+
+ sensitize_menu_items (s, True);
+ force_dialog_repaint (s);
}
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);
- if (report_errors_p)
- run_cmd (s, XA_DEMO, hack_number + 1);
- else
+
+ status = xscreensaver_command (GDK_DISPLAY(), XA_DEMO, hack_number + 1,
+ False, &err);
+
+ if (status < 0 && report_errors_p)
{
- char *s = 0;
- xscreensaver_command (GDK_DISPLAY(), XA_DEMO, hack_number + 1,
- False, &s);
- if (s) free (s);
+ 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, False, 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, True, 1);
+ }
}
+
+ if (err) free (err);
+
+ sensitize_menu_items (s, False);
}
\f
/* 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.
*/
-void
+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);
+ kill_preview_subproc (s, False);
gtk_main_quit ();
}
}
-void
+G_MODULE_EXPORT void
about_menu_cb (GtkMenuItem *menuitem, gpointer user_data)
{
char msg [2048];
look as good in the plain-old default Latin1 "C" locale.)
*/
#ifdef HAVE_GTK2
- sprintf(copy, ("Copyright \xC2\xA9 1991-2003 %s"), s);
+ sprintf(copy, ("Copyright \xC2\xA9 1991-2005 %s"), s);
#else /* !HAVE_GTK2 */
- sprintf(copy, ("Copyright \251 1991-2003 %s"), s);
+ sprintf(copy, ("Copyright \251 1991-2005 %s"), s);
#endif /* !HAVE_GTK2 */
sprintf (msg, "%s\n\n%s", copy, desc);
}
-void
+G_MODULE_EXPORT void
doc_menu_cb (GtkMenuItem *menuitem, gpointer user_data)
{
state *s = global_state_kludge; /* I hate C so much... */
}
help_command = (char *) malloc (strlen (p->load_url_command) +
- (strlen (p->help_url) * 2) + 20);
+ (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->load_url_command,
+ p->help_url, p->help_url, p->help_url, p->help_url);
strcat (help_command, " ) &");
- system (help_command);
+ if (system (help_command) < 0)
+ fprintf (stderr, "%s: fork error\n", blurb());
free (help_command);
}
-void
+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... */
}
-void
+G_MODULE_EXPORT void
lock_menu_cb (GtkMenuItem *menuitem, gpointer user_data)
{
state *s = global_state_kludge; /* I hate C so much... */
}
-void
+G_MODULE_EXPORT void
kill_menu_cb (GtkMenuItem *menuitem, gpointer user_data)
{
state *s = global_state_kludge; /* I hate C so much... */
}
-void
+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);
- system ("xscreensaver -nosplash &");
+ if (system ("xscreensaver -nosplash &") < 0)
+ fprintf (stderr, "%s: fork error\n", blurb());
await_xscreensaver (s);
}
-static void
-await_xscreensaver (state *s)
+static Bool
+xscreensaver_running_p (state *s)
{
- int countdown = 5;
-
Display *dpy = GDK_DISPLAY();
- /* GtkWidget *dialog = 0;*/
char *rversion = 0;
+ server_xscreensaver_version (dpy, &rversion, 0, 0);
+ if (!rversion)
+ return False;
+ free (rversion);
+ return True;
+}
- while (!rversion && (--countdown > 0))
- {
- /* Check for the version of the running xscreensaver... */
- server_xscreensaver_version (dpy, &rversion, 0, 0);
+static void
+await_xscreensaver (state *s)
+{
+ int countdown = 5;
+ Bool ok = False;
- /* If it's not there yet, wait a second... */
- if (!rversion)
- sleep (1);
- }
+ while (!ok && (--countdown > 0))
+ if (xscreensaver_running_p (s))
+ ok = True;
+ else
+ sleep (1); /* If it's not there yet, wait a second... */
-/* if (dialog) gtk_widget_destroy (dialog);*/
+ sensitize_menu_items (s, True);
- if (rversion)
- {
- /* Got it. */
- free (rversion);
- }
- else
+ if (! ok)
{
/* Timed out, no screensaver running. */
warning_dialog (s->toplevel_widget, buf, False, 1);
}
+
+ force_dialog_repaint (s);
}
}
-void
+G_MODULE_EXPORT void
run_this_cb (GtkButton *button, gpointer user_data)
{
state *s = global_state_kludge; /* I hate C so much... */
}
-void
+G_MODULE_EXPORT void
manual_cb (GtkButton *button, gpointer user_data)
{
state *s = global_state_kludge; /* I hate C so much... */
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];
name = strdup (p->screenhacks[hack_number]->command);
name2 = name;
+ oname = name;
while (isspace (*name2)) name2++;
str = name2;
while (*str && !isspace (*str)) str++;
cmd = get_string_resource ("manualCommand", "ManualCommand");
if (cmd)
{
- char *cmd2 = (char *) malloc (strlen (cmd) + strlen (name2) + 100);
+ char *cmd2 = (char *) malloc (strlen (cmd) + (strlen (name2) * 4) + 100);
strcpy (cmd2, "( ");
sprintf (cmd2 + strlen (cmd2),
cmd,
name2, name2, name2, name2);
strcat (cmd2, " ) &");
- system (cmd2);
+ if (system (cmd2) < 0)
+ fprintf (stderr, "%s: fork error\n", blurb());
free (cmd2);
}
else
False, 100);
}
- free (name);
+ free (oname);
}
#ifdef HAVE_GTK2
model = gtk_tree_view_get_model (GTK_TREE_VIEW (list));
STFU g_assert (model);
- 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);
+ 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 */
}
-void
+G_MODULE_EXPORT void
run_next_cb (GtkButton *button, gpointer user_data)
{
state *s = global_state_kludge; /* I hate C so much... */
}
-void
+G_MODULE_EXPORT void
run_prev_cb (GtkButton *button, gpointer user_data)
{
state *s = global_state_kludge; /* I hate C so much... */
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)
{
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 *) gtk_entry_get_text (GTK_ENTRY (w))
+
MINUTES (&p2->timeout, "timeout_spinbutton");
MINUTES (&p2->cycle, "cycle_spinbutton");
CHECKBOX (p2->lock_p, "lock_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");
# undef MINUTES
# undef CHECKBOX
# undef PATHNAME
+# undef TEXT
/* Warn if the image directory doesn't exist.
*/
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");
# undef COPY
- if (!p->image_directory ||
- !p2->image_directory ||
- strcmp(p->image_directory, p2->image_directory))
- {
- changed = True;
- if (s->debug_p)
- fprintf (stderr, "%s: image_directory => \"%s\"\n",
- blurb(), p2->image_directory);
- }
- if (p->image_directory && p->image_directory != p2->image_directory)
- free (p->image_directory);
- p->image_directory = p2->image_directory;
- p2->image_directory = 0;
+# 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);
}
-void
+G_MODULE_EXPORT void
pref_changed_cb (GtkWidget *widget, gpointer user_data)
{
state *s = global_state_kludge; /* I hate C so much... */
}
}
-gboolean
+G_MODULE_EXPORT gboolean
pref_changed_event_cb (GtkWidget *widget, GdkEvent *event, gpointer user_data)
{
pref_changed_cb (widget, user_data);
}
-void
+G_MODULE_EXPORT void
switch_page_cb (GtkNotebook *notebook, GtkNotebookPage *page,
gint page_num, gpointer user_data)
{
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 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, False, 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, False, 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)
{
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)
{
}
-void
+G_MODULE_EXPORT void
browse_image_dir_cb (GtkButton *button, gpointer user_data)
{
state *s = global_state_kludge; /* I hate C so much... */
}
-void
+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... */
# endif /* HAVE_XML */
}
-void
+G_MODULE_EXPORT void
settings_adv_cb (GtkButton *button, gpointer user_data)
{
state *s = global_state_kludge; /* I hate C so much... */
gtk_notebook_set_page (notebook, 1);
}
-void
+G_MODULE_EXPORT void
settings_std_cb (GtkButton *button, gpointer user_data)
{
state *s = global_state_kludge; /* I hate C so much... */
gtk_notebook_set_page (notebook, 0);
}
-void
+G_MODULE_EXPORT void
settings_switch_page_cb (GtkNotebook *notebook, GtkNotebookPage *page,
gint page_num, gpointer user_data)
{
-void
+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);
}
-void
+G_MODULE_EXPORT void
settings_ok_cb (GtkButton *button, gpointer user_data)
{
state *s = global_state_kludge; /* I hate C so much... */
Atom type;
int format;
unsigned long nitems, bytesafter;
- CARD32 *data = 0;
+ unsigned char *dataP = 0;
Display *dpy = GDK_DISPLAY();
int hack_number = -1;
XA_SCREENSAVER_STATUS,
0, 3, False, XA_INTEGER,
&type, &format, &nitems, &bytesafter,
- (unsigned char **) &data)
+ &dataP)
== Success
&& type == XA_INTEGER
&& nitems >= 3
- && data)
- hack_number = (int) data[2] - 1;
+ && dataP)
+ {
+ CARD32 *data = (CARD32 *) dataP;
+ hack_number = (int) data[2] - 1;
+ }
- if (data) free (data);
+ if (dataP) XFree (dataP);
return hack_number;
}
-/* Finds the number of the last hack to run, and makes that item be
+/* 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;
+ int hack_number = -1;
- if (p->mode == ONE_HACK)
+ if (p->mode == ONE_HACK) /* in "one" mode, use the one */
hack_number = p->selected_hack;
- else
+ 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)
{
}
-static Bool
-on_path_p (const char *program)
-{
- int result = False;
- struct stat st;
- char *cmd = strdup (program);
- char *token = strchr (cmd, ' ');
- char *path = 0;
- int L;
-
- if (token) *token = 0;
- token = 0;
-
- if (strchr (cmd, '/'))
- {
- result = (0 == stat (cmd, &st));
- goto DONE;
- }
-
- path = getenv("PATH");
- if (!path || !*path)
- goto DONE;
-
- L = strlen (cmd);
- path = strdup (path);
- token = strtok (path, ":");
-
- while (token)
- {
- char *p2 = (char *) malloc (strlen (token) + L + 3);
- strcpy (p2, token);
- strcat (p2, "/");
- strcat (p2, cmd);
- result = (0 == stat (p2, &st));
- if (result)
- goto DONE;
- token = strtok (0, ":");
- }
-
- DONE:
- free (cmd);
- if (path) free (path);
- return result;
-}
-
-
static void
populate_hack_list (state *s)
{
update_list_sensitivity (state *s)
{
saver_preferences *p = &s->prefs;
- Bool sensitive = (p->mode == RANDOM_HACKS || p->mode == ONE_HACK);
- Bool checkable = (p->mode == RANDOM_HACKS);
+ 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
# 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...)
(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 ("grab_desk_button", p->grab_desktop_p);
TOGGLE_ACTIVE ("grab_video_button", p->grab_video_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")),
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"));
{
Bool found_any_writable_cells = False;
+ Bool fading_possible = False;
Bool dpms_supported = False;
Display *dpy = GDK_DISPLAY();
- int nscreens = ScreenCount(dpy);
+ int nscreens = ScreenCount(dpy); /* real screens, not Xinerama */
int i;
for (i = 0; i < nscreens; i++)
{
}
}
+ fading_possible = found_any_writable_cells;
#ifdef HAVE_XF86VMODE_GAMMA
- found_any_writable_cells = True; /* if we can gamma fade, go for it */
+ fading_possible = True;
#endif
#ifdef HAVE_DPMS_EXTENSION
/* Colormaps
*/
- SENSITIZE ("cmap_frame", found_any_writable_cells);
+ SENSITIZE ("cmap_frame", found_any_writable_cells || fading_possible);
SENSITIZE ("install_button", found_any_writable_cells);
- SENSITIZE ("fade_button", found_any_writable_cells);
- SENSITIZE ("unfade_button", found_any_writable_cells);
+ SENSITIZE ("fade_button", fading_possible);
+ SENSITIZE ("unfade_button", fading_possible);
- SENSITIZE ("fade_label", (found_any_writable_cells &&
+ SENSITIZE ("fade_label", (fading_possible &&
(p->fade_p || p->unfade_p)));
- SENSITIZE ("fade_spinbutton", (found_any_writable_cells &&
+ SENSITIZE ("fade_spinbutton", (fading_possible &&
(p->fade_p || p->unfade_p)));
# undef SENSITIZE
static void
sensitize_demo_widgets (state *s, Bool sensitive_p)
{
- const char *names1[] = { "demo", "settings" };
- const char *names2[] = { "cmd_label", "cmd_text", "manual",
- "visual", "visual_combo" };
+ const char *names[] = { "demo", "settings",
+ "cmd_label", "cmd_text", "manual",
+ "visual", "visual_combo" };
int i;
- for (i = 0; i < countof(names1); i++)
+ for (i = 0; i < countof(names); i++)
{
- GtkWidget *w = name_to_widget (s, names1[i]);
+ GtkWidget *w = name_to_widget (s, names[i]);
gtk_widget_set_sensitive (GTK_WIDGET(w), sensitive_p);
}
- for (i = 0; i < countof(names2); i++)
+}
+
+
+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 */
{
- GtkWidget *w = name_to_widget (s, names2[i]);
- gtk_widget_set_sensitive (GTK_WIDGET(w), sensitive_p);
+ 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 = s->toplevel_widget->window;
+ 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
}
#endif /* !HAVE_GTK2 */
\f
+#ifndef HAVE_GTK2
/* Work around a Gtk bug that causes label widgets to wrap text too early.
*/
gtk_widget_size_request (label, &req);
}
-
/* Feel the love. Thanks to Nat Friedman for finding this workaround.
*/
static void
gtk_widget_queue_resize (GTK_WIDGET (label));
}
+#endif /* !HAVE_GTK2 */
static void
if (!pretty_name)
pretty_name = strdup (_("Preview"));
- gtk_frame_set_label (frame1, pretty_name);
- gtk_frame_set_label (frame2, pretty_name);
+ 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",
+ sprintf (title, _("%s: %.100s Settings"),
progclass, (pretty_name ? pretty_name : "???"));
gtk_window_set_title (GTK_WINDOW (s->popup_widget), title);
}
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];
- s->hacks_available_p[i] = on_path_p (hack->command);
+ 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
/* Build inverse table */
for (i = 0; i < p->screenhacks_count; i++)
- s->hack_number_to_list_elt[s->list_elt_to_hack_number[i]] = i;
+ {
+ int n = s->list_elt_to_hack_number[i];
+ if (n != -1)
+ s->hack_number_to_list_elt[n] = i;
+ }
}
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 : 2)
+ ? (available_p ? 1 :
+ nothing_p ? 3 : 2)
: 0));
#else /* !HAVE_GTK2 */
if (s->running_preview_error_p)
}
+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 (GTK_WIDGET_REALIZED (pr))
+ {
+ Window oid = (pr->window ? GDK_WINDOW_XWINDOW (pr->window) : 0);
+ Window id;
+ gtk_widget_hide (pr);
+ gtk_widget_unrealize (pr);
+ gtk_widget_realize (pr);
+ gtk_widget_show (pr);
+ id = (pr->window ? GDK_WINDOW_XWINDOW (pr->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)
{
close (out); /* don't need this one */
*buf = 0;
- fgets (buf, sizeof(buf)-1, f);
+ if (!fgets (buf, sizeof(buf)-1, f))
+ *buf = 0;
fclose (f);
/* Wait for the child to die. */
static void
-kill_preview_subproc (state *s)
+kill_preview_subproc (state *s, Bool reset_p)
{
s->running_preview_error_p = False;
}
reap_zombies (s);
+
+ if (reset_p)
+ {
+ reset_preview_window (s);
+ clear_preview_window (s);
+ }
}
const char *cmd = s->desired_preview_cmd;
GtkWidget *pr = name_to_widget (s, "preview");
- GdkWindow *window = pr->window;
+ GdkWindow *window;
+
+ reset_preview_window (s);
+
+ window = pr->window;
s->running_preview_error_p = False;
if (s->preview_suppressed_p)
{
- kill_preview_subproc (s);
+ kill_preview_subproc (s, False);
goto DONE;
}
(unsigned int) id);
}
- kill_preview_subproc (s);
+ kill_preview_subproc (s, False);
if (! new_cmd)
{
s->running_preview_error_p = True;
{
state *s = (state *) data;
if (! s->desired_preview_cmd)
- kill_preview_subproc (s);
+ kill_preview_subproc (s, True);
else if (!s->running_preview_cmd ||
!!strcmp (s->desired_preview_cmd, s->running_preview_cmd))
launch_preview_subproc (s);
Atom type;
int format;
unsigned long nitems, bytesafter;
- CARD32 *data = 0;
+ unsigned char *dataP = 0;
Display *dpy = GDK_DISPLAY();
Bool blanked_p = False;
XA_SCREENSAVER_STATUS,
0, 3, False, XA_INTEGER,
&type, &format, &nitems, &bytesafter,
- (unsigned char **) &data)
+ &dataP)
== Success
&& type == XA_INTEGER
&& nitems >= 3
- && data)
- blanked_p = (data[0] == XA_BLANK || data[0] == XA_LOCK);
+ && dataP)
+ {
+ Atom *data = (Atom *) dataP;
+ blanked_p = (data[0] == XA_BLANK || data[0] == XA_LOCK);
+ }
- if (data) free (data);
+ if (dataP) XFree (dataP);
return blanked_p;
}
{
if (s->debug_p)
fprintf (stderr, "%s: screen is blanked: killing preview\n", blurb());
- kill_preview_subproc (s);
+ 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;
+}
+
\f
/* Setting window manager icon
*/
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);
+ kill_preview_subproc (s, False);
exit (-1);
return 0;
}
{
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;
}
was in argv[0].
*/
p->db = db;
+ s->nscreens = screen_count (dpy);
hack_environment (s); /* must be before initialize_sort_map() */
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));
- for (; kids; kids = kids->next)
- gtk_signal_connect (GTK_OBJECT (kids->data), "activate",
- GTK_SIGNAL_FUNC (mode_menu_item_cb),
- (gpointer) s);
+ 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));
+ }
}
# endif /* HAVE_CRAPPLET */
gtk_main ();
- kill_preview_subproc (s);
+ kill_preview_subproc (s, False);
exit (0);
}