/*! \brief Creates a new X window.
*
* \par Function description
*
* Creates and initializes new GschemToplevel object and then sets
* and setups its libgeda \a toplevel.
*
* \param toplevel The libgeda TOPLEVEL object.
* \return Pointer to the new GschemToplevel object.
*/
GschemToplevel* x_window_new (TOPLEVEL *toplevel)
{
GschemToplevel *w_current;
w_current = gschem_toplevel_new ();
gschem_toplevel_set_toplevel (w_current,
(toplevel != NULL) ? toplevel : s_toplevel_new ());
gschem_toplevel_get_toplevel (w_current)->load_newer_backup_func = x_fileselect_load_backup;
gschem_toplevel_get_toplevel (w_current)->load_newer_backup_data = w_current;
o_text_set_rendered_bounds_func (gschem_toplevel_get_toplevel (w_current),
o_text_get_rendered_bounds, w_current);
/* Damage notifications should invalidate the object on screen */
o_add_change_notify (gschem_toplevel_get_toplevel (w_current),
(ChangeNotifyFunc) o_invalidate,
(ChangeNotifyFunc) o_invalidate, w_current);
x_window_setup (w_current);
return w_current;
}
/*! \brief Main Scheme(GUILE) program function.
* \par Function Description
* This function is the main program called from scm_boot_guile.
* It handles initializing all libraries and gSchem variables
* and passes control to the gtk main loop.
*/
void main_prog(void *closure, int argc, char *argv[])
{
int i;
char *cwd = NULL;
GSCHEM_TOPLEVEL *w_current = NULL;
char *input_str = NULL;
int argv_index;
int first_page = 1;
char *filename;
SCM scm_tmp;
#ifdef HAVE_GTHREAD
/* Gschem isn't threaded, but some of GTK's file chooser
* backends uses threading so we need to call g_thread_init().
* GLib requires threading be initialised before any other GLib
* functions are called. Do it now if its not already setup. */
if (!g_thread_supported ()) g_thread_init (NULL);
#endif
#if ENABLE_NLS
/* this should be equivalent to setlocale (LC_ALL, "") */
gtk_set_locale();
/* This must be the same for all locales */
setlocale(LC_NUMERIC, "C");
/* Disable gtk's ability to set the locale. */
/* If gtk is allowed to set the locale, then it will override the */
/* setlocale for LC_NUMERIC (which is important for proper PS output. */
/* This may look funny here, given we make a call to gtk_set_locale() */
/* above. I don't know yet, if this is really the right thing to do. */
gtk_disable_setlocale();
#endif
gtk_init(&argc, &argv);
argv_index = parse_commandline(argc, argv);
cwd = g_get_current_dir();
libgeda_init();
/* create log file right away even if logging is enabled */
s_log_init ("gschem");
s_log_message(
_("gEDA/gschem version %s%s.%s\n"), PREPEND_VERSION_STRING,
PACKAGE_DOTTED_VERSION, PACKAGE_DATE_VERSION);
s_log_message(
_("gEDA/gschem comes with ABSOLUTELY NO WARRANTY; see COPYING for more details.\n"));
s_log_message(
_("This is free software, and you are welcome to redistribute it under certain\n"));
s_log_message(
_("conditions; please see the COPYING file for more details.\n\n"));
#if defined(__MINGW32__) && defined(DEBUG)
fprintf(stderr, _("This is the MINGW32 port.\n"));
#endif
#if DEBUG
fprintf(stderr, _("Current locale settings: %s\n"), setlocale(LC_ALL, NULL));
#endif
/* init global buffers */
o_buffer_init();
/* register guile (scheme) functions */
g_register_funcs();
g_init_window ();
g_init_select ();
g_init_hook ();
g_init_attrib ();
g_init_keys ();
g_init_util ();
/* initialise color map (need to do this before reading rc files */
x_color_init ();
o_undo_init();
if (s_path_sys_data () == NULL) {
const gchar *message =
_("You must set the GEDADATA environment variable!\n\n"
"gschem cannot locate its data files. You must set the GEDADATA\n"
"environment variable to point to the correct location.\n");
GtkWidget* error_diag =
gtk_message_dialog_new (NULL, 0, GTK_MESSAGE_ERROR,
GTK_BUTTONS_OK,
"%s", message);
gtk_dialog_run (GTK_DIALOG (error_diag));
g_error ("%s", message);
}
/* Allocate w_current */
w_current = gschem_toplevel_new ();
/* Connect hooks that run for each s_toplevel_new() first */
s_toplevel_append_new_hook ((NewToplevelFunc) add_libgeda_toplevel_hooks,
w_current);
w_current->toplevel = s_toplevel_new ();
w_current->toplevel->load_newer_backup_func = x_fileselect_load_backup;
w_current->toplevel->load_newer_backup_data = w_current;
o_text_set_rendered_bounds_func (w_current->toplevel,
o_text_get_rendered_bounds, w_current);
/* Damage notifications should invalidate the object on screen */
o_add_change_notify (w_current->toplevel,
(ChangeNotifyFunc) o_invalidate,
(ChangeNotifyFunc) o_invalidate, w_current);
scm_dynwind_begin (0);
g_dynwind_window (w_current);
/* Run pre-load Scheme expressions */
g_scm_eval_protected (s_pre_load_expr, scm_current_module ());
/* By this point, libgeda should have setup the Guile load path, so
* we can take advantage of that. */
scm_tmp = scm_sys_search_load_path (scm_from_utf8_string ("gschem.scm"));
if (scm_is_false (scm_tmp)) {
s_log_message (_("Couldn't find init scm file [%s]\n"), "gschem.scm");
}
input_str = scm_to_utf8_string (scm_tmp);
if (g_read_file(w_current->toplevel, input_str, NULL)) {
s_log_message(_("Read init scm file [%s]\n"), input_str);
} else {
/*! \todo These two messages are the same. Should be
* integrated. */
s_log_message(_("Failed to read init scm file [%s]\n"),
input_str);
}
free (input_str); /* M'allocated by scm_to_utf8_string() */
scm_remember_upto_here_1 (scm_tmp);
/* Now read in RC files. */
g_rc_parse_gtkrc();
x_rc_parse_gschem (w_current, rc_filename);
/* Set default icon */
x_window_set_default_icon();
/* At end, complete set up of window. */
x_color_allocate();
x_window_setup (w_current);
#ifdef HAVE_LIBSTROKE
x_stroke_init ();
#endif /* HAVE_LIBSTROKE */
for (i = argv_index; i < argc; i++) {
if (g_path_is_absolute(argv[i]))
{
/* Path is already absolute so no need to do any concat of cwd */
filename = g_strdup (argv[i]);
} else {
filename = g_build_filename (cwd, argv[i], NULL);
}
if ( first_page )
first_page = 0;
/*
* SDB notes: at this point the filename might be unnormalized, like
* /path/to/foo/../bar/baz.sch. Bad filenames will be normalized in
* f_open (called by x_window_open_page). This works for Linux and MINGW32.
*/
x_window_open_page(w_current, filename);
g_free (filename);
}
g_free(cwd);
/* If no page has been loaded (wasn't specified in the command line.) */
/* Then create an untitled page */
if ( first_page ) {
x_window_open_page( w_current, NULL );
}
/* Update the window to show the current page */
x_window_set_current_page( w_current, w_current->toplevel->page_current );
#if DEBUG
scm_c_eval_string ("(display \"hello guile\n\")");
#endif
/* Run post-load expressions */
g_scm_eval_protected (s_post_load_expr, scm_current_module ());
/* open up log window on startup */
if (w_current->log_window == MAP_ON_STARTUP) {
x_log_open ();
}
/* if there were any symbols which had major changes, put up an error */
/* dialog box */
major_changed_dialog(w_current);
scm_dynwind_end ();
/* enter main loop */
gtk_main();
}
static void
preview_init (Preview *preview)
{
struct event_reg_t {
gchar *detailed_signal;
GCallback c_handler;
} drawing_area_events[] = {
{ "realize", G_CALLBACK (preview_callback_realize) },
{ "expose_event", G_CALLBACK (preview_callback_expose) },
{ "button_press_event", G_CALLBACK (preview_callback_button_press) },
{ "configure_event", G_CALLBACK (preview_event_configure) },
{ "scroll_event", G_CALLBACK (preview_event_scroll) },
{ NULL, NULL }
}, *tmp;
GSCHEM_TOPLEVEL *preview_w_current;
preview_w_current = gschem_toplevel_new ();
preview_w_current->toplevel = s_toplevel_new ();
preview_w_current->toplevel->load_newer_backup_func =
x_fileselect_load_backup;
preview_w_current->toplevel->load_newer_backup_data =
preview_w_current;
o_text_set_rendered_bounds_func (preview_w_current->toplevel,
o_text_get_rendered_bounds,
preview_w_current);
o_add_change_notify (preview_w_current->toplevel,
(ChangeNotifyFunc) o_invalidate,
(ChangeNotifyFunc) o_invalidate,
preview_w_current);
i_vars_set (preview_w_current);
/* be sure to turn off scrollbars */
preview_w_current->scrollbars_flag = FALSE;
/* be sure to turn off the grid */
preview_w_current->grid = FALSE;
/* preview_w_current windows don't have toolbars */
preview_w_current->handleboxes = FALSE;
preview_w_current->toolbars = FALSE;
preview_w_current->toplevel->width = 160;
preview_w_current->toplevel->height = 120;
preview_w_current->win_width = preview_w_current->toplevel->width;
preview_w_current->win_height = preview_w_current->toplevel->height;
preview_w_current->drawing_area = GTK_WIDGET (preview);
preview->preview_w_current = preview_w_current;
g_object_set (GTK_WIDGET (preview),
"width-request", preview_w_current->toplevel->width,
"height-request", preview_w_current->toplevel->height,
NULL);
preview->active = FALSE;
preview->filename = NULL;
preview->buffer = NULL;
gtk_widget_set_events (GTK_WIDGET (preview),
GDK_EXPOSURE_MASK |
GDK_POINTER_MOTION_MASK |
GDK_BUTTON_PRESS_MASK);
for (tmp = drawing_area_events; tmp->detailed_signal != NULL; tmp++) {
g_signal_connect (preview,
tmp->detailed_signal,
tmp->c_handler,
NULL);
}
}
