/**
* meta_run: (skip)
*
* Runs mutter. Call this after completing initialization that doesn't require
* an event loop.
*
* Return value: mutter's exit status
*/
int
meta_run (void)
{
/* Load prefs */
meta_prefs_init ();
meta_prefs_add_listener (prefs_changed_callback, NULL);
meta_ui_set_current_theme (meta_prefs_get_theme ());
/* Try to find some theme that'll work if the theme preference
* doesn't exist. First try Simple (the default theme) then just
* try anything in the themes directory.
*/
if (!meta_ui_have_a_theme ())
meta_ui_set_current_theme ("Simple");
if (!meta_ui_have_a_theme ())
{
const char *dir_entry = NULL;
GError *err = NULL;
GDir *themes_dir = NULL;
if (!(themes_dir = g_dir_open (MUTTER_DATADIR"/themes", 0, &err)))
{
meta_fatal (_("Failed to scan themes directory: %s\n"), err->message);
g_error_free (err);
}
else
{
while (((dir_entry = g_dir_read_name (themes_dir)) != NULL) &&
(!meta_ui_have_a_theme ()))
{
meta_ui_set_current_theme (dir_entry);
}
g_dir_close (themes_dir);
}
}
if (!meta_ui_have_a_theme ())
meta_fatal (_("Could not find a theme! Be sure %s exists and contains the usual themes.\n"),
MUTTER_DATADIR"/themes");
if (!meta_display_open ())
meta_exit (META_EXIT_ERROR);
g_main_loop_run (meta_main_loop);
meta_finalize ();
return meta_exit_code;
}
void
meta_ui_theme_get_frame_borders (MetaUI *ui,
MetaFrameType type,
MetaFrameFlags flags,
MetaFrameBorders *borders)
{
int text_height;
GtkStyleContext *style = NULL;
PangoContext *context;
const PangoFontDescription *font_desc;
PangoFontDescription *free_font_desc = NULL;
if (meta_ui_have_a_theme ())
{
context = gtk_widget_get_pango_context (GTK_WIDGET (ui->frames));
font_desc = meta_prefs_get_titlebar_font ();
if (!font_desc)
{
GdkDisplay *display = gdk_x11_lookup_xdisplay (ui->xdisplay);
GdkScreen *screen = gdk_display_get_screen (display, XScreenNumberOfScreen (ui->xscreen));
GtkWidgetPath *widget_path;
style = gtk_style_context_new ();
gtk_style_context_set_screen (style, screen);
widget_path = gtk_widget_path_new ();
gtk_widget_path_append_type (widget_path, GTK_TYPE_WINDOW);
gtk_style_context_set_path (style, widget_path);
gtk_widget_path_free (widget_path);
gtk_style_context_get (style, GTK_STATE_FLAG_NORMAL, "font", &free_font_desc, NULL);
font_desc = (const PangoFontDescription *) free_font_desc;
}
text_height = meta_pango_font_desc_get_text_height (font_desc, context);
meta_theme_get_frame_borders (meta_theme_get_current (),
type, text_height, flags,
borders);
if (free_font_desc)
pango_font_description_free (free_font_desc);
}
else
{
meta_frame_borders_clear (borders);
}
if (style != NULL)
g_object_unref (style);
}
void
meta_ui_theme_get_frame_borders (MetaUI *ui,
MetaFrameType type,
MetaFrameFlags flags,
int *top_height,
int *bottom_height,
int *left_width,
int *right_width)
{
int text_height;
PangoContext *context;
const PangoFontDescription *font_desc;
GtkStyle *default_style;
if (meta_ui_have_a_theme ())
{
context = gtk_widget_get_pango_context (GTK_WIDGET (ui->frames));
font_desc = meta_prefs_get_titlebar_font ();
if (!font_desc)
{
default_style = gtk_widget_get_default_style ();
font_desc = default_style->font_desc;
}
text_height = meta_pango_font_desc_get_text_height (font_desc, context);
meta_theme_get_frame_borders (meta_theme_get_current (),
type, text_height, flags,
top_height, bottom_height,
left_width, right_width);
}
else
{
*top_height = *bottom_height = *left_width = *right_width = 0;
}
}
/**
* meta_run: (skip)
*
* Runs muffin. Call this after completing your own initialization.
*
* Return value: muffin's exit status
*/
int
meta_run (void)
{
const gchar *log_domains[] = {
NULL, G_LOG_DOMAIN, "Gtk", "Gdk", "GLib",
"Pango", "GLib-GObject", "GThread"
};
guint i;
/* Load prefs */
meta_prefs_init ();
meta_prefs_add_listener (prefs_changed_callback, NULL);
for (i=0; i<G_N_ELEMENTS(log_domains); i++)
g_log_set_handler (log_domains[i],
G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION,
log_handler, NULL);
if (g_getenv ("MUFFIN_G_FATAL_WARNINGS") != NULL)
g_log_set_always_fatal (G_LOG_LEVEL_MASK);
meta_ui_set_current_theme (meta_prefs_get_theme (), FALSE);
if (!meta_ui_have_a_theme ())
{
meta_ui_set_current_theme ("Default", FALSE);
meta_warning (_("Could not find theme %s. Falling back to default theme."), meta_prefs_get_theme ());
}
/* Connect to SM as late as possible - but before managing display,
* or we might try to manage a window before we have the session
* info
*/
if (!opt_disable_sm)
{
if (opt_client_id == NULL)
{
const gchar *desktop_autostart_id;
desktop_autostart_id = g_getenv ("DESKTOP_AUTOSTART_ID");
if (desktop_autostart_id != NULL)
opt_client_id = g_strdup (desktop_autostart_id);
}
/* Unset DESKTOP_AUTOSTART_ID in order to avoid child processes to
* use the same client id. */
g_unsetenv ("DESKTOP_AUTOSTART_ID");
meta_session_init (opt_client_id, opt_save_file);
}
/* Free memory possibly allocated by the argument parsing which are
* no longer needed.
*/
g_free (opt_save_file);
g_free (opt_display_name);
g_free (opt_client_id);
if (!meta_display_open ())
meta_exit (META_EXIT_ERROR);
g_main_loop_run (meta_main_loop);
meta_finalize ();
return meta_exit_code;
}
/**
* meta_run: (skip)
*
* Runs muffin. Call this after completing your own initialization.
*
* Return value: muffin's exit status
*/
int
meta_run (void)
{
const gchar *log_domains[] = {
NULL, G_LOG_DOMAIN, "Gtk", "Gdk", "GLib",
"Pango", "GLib-GObject", "GThread"
};
guint i;
/* Load prefs */
meta_prefs_init ();
meta_prefs_add_listener (prefs_changed_callback, NULL);
for (i=0; i<G_N_ELEMENTS(log_domains); i++)
g_log_set_handler (log_domains[i],
G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION,
log_handler, NULL);
if (g_getenv ("MUFFIN_G_FATAL_WARNINGS") != NULL)
g_log_set_always_fatal (G_LOG_LEVEL_MASK);
meta_ui_set_current_theme (meta_prefs_get_theme (), FALSE);
/* Try to find some theme that'll work if the theme preference
* doesn't exist. First try Simple (the default theme) then just
* try anything in the themes directory.
*/
if (!meta_ui_have_a_theme ())
meta_ui_set_current_theme ("Simple", FALSE);
if (!meta_ui_have_a_theme ())
{
const char *dir_entry = NULL;
GError *err = NULL;
GDir *themes_dir = NULL;
if (!(themes_dir = g_dir_open (MUFFIN_DATADIR"/themes", 0, &err)))
{
meta_fatal (_("Failed to scan themes directory: %s\n"), err->message);
g_error_free (err);
}
else
{
while (((dir_entry = g_dir_read_name (themes_dir)) != NULL) &&
(!meta_ui_have_a_theme ()))
{
meta_ui_set_current_theme (dir_entry, FALSE);
}
g_dir_close (themes_dir);
}
}
if (!meta_ui_have_a_theme ())
meta_fatal (_("Could not find a theme! Be sure %s exists and contains the usual themes.\n"),
MUFFIN_DATADIR"/themes");
/* Connect to SM as late as possible - but before managing display,
* or we might try to manage a window before we have the session
* info
*/
if (!opt_disable_sm)
{
if (opt_client_id == NULL)
{
const gchar *desktop_autostart_id;
desktop_autostart_id = g_getenv ("DESKTOP_AUTOSTART_ID");
if (desktop_autostart_id != NULL)
opt_client_id = g_strdup (desktop_autostart_id);
}
/* Unset DESKTOP_AUTOSTART_ID in order to avoid child processes to
* use the same client id. */
g_unsetenv ("DESKTOP_AUTOSTART_ID");
meta_session_init (opt_client_id, opt_save_file);
}
/* Free memory possibly allocated by the argument parsing which are
* no longer needed.
*/
g_free (opt_save_file);
g_free (opt_display_name);
g_free (opt_client_id);
if (!meta_display_open ())
meta_exit (META_EXIT_ERROR);
g_main_loop_run (meta_main_loop);
meta_finalize ();
return meta_exit_code;
}
void
meta_ui_theme_get_frame_borders (MetaUI *ui,
MetaFrameType type,
MetaFrameFlags flags,
int *top_height,
int *bottom_height,
int *left_width,
int *right_width)
{
int text_height;
#if GTK_CHECK_VERSION (3, 0, 0)
GtkStyleContext *style = NULL;
PangoFontDescription *free_font_desc = NULL;
#endif
PangoContext *context;
const PangoFontDescription *font_desc;
if (meta_ui_have_a_theme ())
{
context = gtk_widget_get_pango_context (GTK_WIDGET (ui->frames));
font_desc = meta_prefs_get_titlebar_font ();
if (!font_desc)
{
#if GTK_CHECK_VERSION (3, 0, 0)
GdkDisplay *display = gdk_x11_lookup_xdisplay (ui->xdisplay);
GdkScreen *screen = gdk_display_get_screen (display, XScreenNumberOfScreen (ui->xscreen));
GtkWidgetPath *widget_path;
style = gtk_style_context_new ();
gtk_style_context_set_screen (style, screen);
widget_path = gtk_widget_path_new ();
gtk_widget_path_append_type (widget_path, GTK_TYPE_WINDOW);
gtk_style_context_set_path (style, widget_path);
gtk_widget_path_free (widget_path);
gtk_style_context_get (style, GTK_STATE_FLAG_NORMAL, "font", &free_font_desc, NULL);
font_desc = (const PangoFontDescription *) free_font_desc;
#else
GtkStyle *default_style;
default_style = gtk_widget_get_default_style ();
font_desc = default_style->font_desc;
#endif
}
text_height = meta_pango_font_desc_get_text_height (font_desc, context);
meta_theme_get_frame_borders (meta_theme_get_current (),
type, text_height, flags,
top_height, bottom_height,
left_width, right_width);
#if GTK_CHECK_VERSION (3, 0, 0)
if (free_font_desc)
pango_font_description_free (free_font_desc);
#endif
}
else
{
*top_height = *bottom_height = *left_width = *right_width = 0;
}
#if GTK_CHECK_VERSION (3, 0, 0)
if (style != NULL)
g_object_unref (style);
#endif
}
/**
* This is where the story begins. It parses commandline options and
* environment variables, sets up the screen, hands control off to
* GTK, and cleans up afterwards.
*
* \param argc Number of arguments (as usual)
* \param argv Array of arguments (as usual)
*
* \bug It's a bit long. It would be good to split it out into separate
* functions.
*/
int
main (int argc, char **argv)
{
struct sigaction act;
sigset_t empty_mask;
MetaArguments meta_args;
const gchar *log_domains[] = {
NULL, G_LOG_DOMAIN, "Gtk", "Gdk", "GLib",
"Pango", "GLib-GObject", "GThread"
};
guint i;
GIOChannel *channel;
if (setlocale (LC_ALL, "") == NULL)
meta_warning ("Locale not understood by C library, internationalization will not work\n");
sigemptyset (&empty_mask);
act.sa_handler = SIG_IGN;
act.sa_mask = empty_mask;
act.sa_flags = 0;
if (sigaction (SIGPIPE, &act, NULL) < 0)
g_printerr ("Failed to register SIGPIPE handler: %s\n",
g_strerror (errno));
#ifdef SIGXFSZ
if (sigaction (SIGXFSZ, &act, NULL) < 0)
g_printerr ("Failed to register SIGXFSZ handler: %s\n",
g_strerror (errno));
#endif
if (pipe (sigterm_pipe_fds) != 0)
g_printerr ("Failed to create SIGTERM pipe: %s\n",
g_strerror (errno));
channel = g_io_channel_unix_new (sigterm_pipe_fds[0]);
g_io_channel_set_flags (channel, G_IO_FLAG_NONBLOCK, NULL);
g_io_add_watch (channel, G_IO_IN, (GIOFunc) on_sigterm, NULL);
g_io_channel_set_close_on_unref (channel, TRUE);
g_io_channel_unref (channel);
act.sa_handler = &sigterm_handler;
if (sigaction (SIGTERM, &act, NULL) < 0)
g_printerr ("Failed to register SIGTERM handler: %s\n",
g_strerror (errno));
if (g_getenv ("METACITY_VERBOSE"))
meta_set_verbose (TRUE);
if (g_getenv ("METACITY_DEBUG"))
meta_set_debugging (TRUE);
if (g_get_home_dir ())
if (chdir (g_get_home_dir ()) < 0)
meta_warning ("Could not change to home directory %s.\n",
g_get_home_dir ());
meta_print_self_identity ();
bindtextdomain (GETTEXT_PACKAGE, METACITY_LOCALEDIR);
bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
textdomain (GETTEXT_PACKAGE);
/* Parse command line arguments.*/
meta_parse_options (&argc, &argv, &meta_args);
meta_set_syncing (meta_args.sync || (g_getenv ("METACITY_SYNC") != NULL));
if (meta_args.print_version)
version ();
meta_select_display (meta_args.display_name);
if (meta_args.replace_wm)
meta_set_replace_current_wm (TRUE);
if (meta_args.save_file && meta_args.client_id)
meta_fatal ("Can't specify both SM save file and SM client id\n");
meta_main_loop = g_main_loop_new (NULL, FALSE);
meta_ui_init (&argc, &argv);
/* must be after UI init so we can override GDK handlers */
meta_errors_init ();
/* Load prefs */
meta_prefs_init ();
meta_prefs_add_listener (prefs_changed_callback, NULL);
#if 1
for (i=0; i<G_N_ELEMENTS(log_domains); i++)
g_log_set_handler (log_domains[i],
G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION,
log_handler, NULL);
#endif
if (g_getenv ("METACITY_G_FATAL_WARNINGS") != NULL)
g_log_set_always_fatal (G_LOG_LEVEL_MASK);
meta_ui_set_current_theme (meta_prefs_get_theme (), FALSE);
/* Try to find some theme that'll work if the theme preference
* doesn't exist. First try Simple (the default theme) then just
* try anything in the themes directory.
*/
if (!meta_ui_have_a_theme ())
meta_ui_set_current_theme ("Simple", FALSE);
if (!meta_ui_have_a_theme ())
{
const char *dir_entry = NULL;
GError *err = NULL;
GDir *themes_dir = NULL;
if (!(themes_dir = g_dir_open (METACITY_DATADIR"/themes", 0, &err)))
{
meta_fatal (_("Failed to scan themes directory: %s\n"), err->message);
g_error_free (err);
}
else
{
while (((dir_entry = g_dir_read_name (themes_dir)) != NULL) &&
(!meta_ui_have_a_theme ()))
{
meta_ui_set_current_theme (dir_entry, FALSE);
}
g_dir_close (themes_dir);
}
}
if (!meta_ui_have_a_theme ())
meta_fatal (_("Could not find a theme! Be sure %s exists and contains the usual themes.\n"),
METACITY_DATADIR"/themes");
/* Connect to SM as late as possible - but before managing display,
* or we might try to manage a window before we have the session
* info
*/
if (!meta_args.disable_sm)
{
if (meta_args.client_id == NULL)
{
const gchar *desktop_autostart_id;
desktop_autostart_id = g_getenv ("DESKTOP_AUTOSTART_ID");
if (desktop_autostart_id != NULL)
meta_args.client_id = g_strdup (desktop_autostart_id);
}
/* Unset DESKTOP_AUTOSTART_ID in order to avoid child processes to
* use the same client id. */
g_unsetenv ("DESKTOP_AUTOSTART_ID");
meta_session_init (meta_args.client_id, meta_args.save_file);
}
/* Free memory possibly allocated by the argument parsing which are
* no longer needed.
*/
g_free (meta_args.save_file);
g_free (meta_args.display_name);
g_free (meta_args.client_id);
if (meta_args.composite || meta_args.no_composite)
meta_prefs_set_compositing_manager (meta_args.composite);
if (meta_args.no_force_fullscreen)
meta_prefs_set_force_fullscreen (FALSE);
if (!meta_display_open ())
meta_exit (META_EXIT_ERROR);
g_main_loop_run (meta_main_loop);
meta_finalize ();
if (meta_restart_after_quit)
{
GError *err;
err = NULL;
if (!g_spawn_async (NULL,
argv,
NULL,
G_SPAWN_SEARCH_PATH,
NULL,
NULL,
NULL,
&err))
{
meta_fatal (_("Failed to restart: %s\n"),
err->message);
g_error_free (err); /* not reached anyhow */
meta_exit_code = META_EXIT_ERROR;
}
}
return meta_exit_code;
}
/**
* meta_run: (skip)
*
* Runs mutter. Call this after completing initialization that doesn't require
* an event loop.
*
* Return value: mutter's exit status
*/
int
meta_run (void)
{
const gchar *log_domains[] = {
NULL, G_LOG_DOMAIN, "Gtk", "Gdk", "GLib",
"Pango", "GLib-GObject", "GThread"
};
guint i;
/* Load prefs */
meta_prefs_init ();
meta_prefs_add_listener (prefs_changed_callback, NULL);
for (i=0; i<G_N_ELEMENTS(log_domains); i++)
g_log_set_handler (log_domains[i],
G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION,
log_handler, NULL);
if (g_getenv ("MUTTER_G_FATAL_WARNINGS") != NULL)
g_log_set_always_fatal (G_LOG_LEVEL_MASK);
meta_ui_set_current_theme (meta_prefs_get_theme ());
/* Try to find some theme that'll work if the theme preference
* doesn't exist. First try Simple (the default theme) then just
* try anything in the themes directory.
*/
if (!meta_ui_have_a_theme ())
meta_ui_set_current_theme ("Simple");
if (!meta_ui_have_a_theme ())
{
const char *dir_entry = NULL;
GError *err = NULL;
GDir *themes_dir = NULL;
if (!(themes_dir = g_dir_open (MUTTER_DATADIR"/themes", 0, &err)))
{
meta_fatal (_("Failed to scan themes directory: %s\n"), err->message);
g_error_free (err);
}
else
{
while (((dir_entry = g_dir_read_name (themes_dir)) != NULL) &&
(!meta_ui_have_a_theme ()))
{
meta_ui_set_current_theme (dir_entry);
}
g_dir_close (themes_dir);
}
}
if (!meta_ui_have_a_theme ())
meta_fatal (_("Could not find a theme! Be sure %s exists and contains the usual themes.\n"),
MUTTER_DATADIR"/themes");
if (!meta_display_open ())
meta_exit (META_EXIT_ERROR);
g_main_loop_run (meta_main_loop);
meta_finalize ();
return meta_exit_code;
}