/*! \brief Closes a page.
* \par Function Description
* This function closes the page <B>page</B> of toplevel
* <B>toplevel</B>.
*
* If necessary, the current page of <B>toplevel</B> is changed to
* the next valid page or to a new untitled page.
*
* \param [in] w_current The toplevel environment.
* \param [in] page The page to close.
*/
void
x_window_close_page (GSCHEM_TOPLEVEL *w_current, PAGE *page)
{
TOPLEVEL *toplevel = w_current->toplevel;
PAGE *new_current = NULL;
GList *iter;
g_return_if_fail (toplevel != NULL);
g_return_if_fail (page != NULL);
g_assert (page->pid != -1);
/* If we're closing whilst inside a move action, re-wind the
* page contents back to their state before we started */
if (w_current->inside_action &&
(w_current->event_state == MOVE ||
w_current->event_state == ENDMOVE)) {
o_move_cancel (w_current);
}
if (page == toplevel->page_current) {
/* as it will delete current page, select new current page */
/* first look up in page hierarchy */
new_current = s_page_search_by_page_id (toplevel->pages, page->up);
if (new_current == NULL) {
/* no up in hierarchy, choice is prev, next, new page */
iter = g_list_find( geda_list_get_glist( toplevel->pages ), page );
if ( g_list_previous( iter ) ) {
new_current = (PAGE *)g_list_previous( iter )->data;
} else if ( g_list_next( iter ) ) {
new_current = (PAGE *)g_list_next( iter )->data;
} else {
/* need to add a new untitled page */
new_current = NULL;
}
}
/* new_current will be the new current page at the end of the function */
}
s_log_message (page->CHANGED ?
_("Discarding page [%s]\n") : _("Closing [%s]\n"),
page->page_filename);
/* remove page from toplevel list of page and free */
s_page_delete (toplevel, page);
/* Switch to a different page if we just removed the current */
if (toplevel->page_current == NULL) {
/* Create a new page if there wasn't another to switch to */
if (new_current == NULL) {
new_current = x_window_open_page (w_current, NULL);
}
/* change to new_current and update display */
x_window_set_current_page (w_current, new_current);
}
}
/*! \brief Opens a file chooser for opening one or more schematics.
* \par Function Description
* This function opens a file chooser dialog and wait for the user to
* select at least one file to load as <B>w_current</B>'s new pages.
*
* The function updates the user interface.
*
* At the end of the function, the w_current->toplevel's current page
* is set to the page of the last loaded page.
*
* \param [in] w_current The GSCHEM_TOPLEVEL environment.
*/
void
x_fileselect_open(GSCHEM_TOPLEVEL *w_current)
{
PAGE *page = NULL;
GtkWidget *dialog;
dialog = gtk_file_chooser_dialog_new (_("Open..."),
GTK_WINDOW(w_current->main_window),
GTK_FILE_CHOOSER_ACTION_OPEN,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
NULL);
/* Set the alternative button order (ok, cancel, help) for other systems */
gtk_dialog_set_alternative_button_order(GTK_DIALOG(dialog),
GTK_RESPONSE_ACCEPT,
GTK_RESPONSE_CANCEL,
-1);
x_fileselect_add_preview (GTK_FILE_CHOOSER (dialog));
g_object_set (dialog,
/* GtkFileChooser */
"select-multiple", TRUE,
NULL);
/* add file filters to dialog */
x_fileselect_setup_filechooser_filters (GTK_FILE_CHOOSER (dialog));
gtk_widget_show (dialog);
if (gtk_dialog_run ((GtkDialog*)dialog) == GTK_RESPONSE_ACCEPT) {
GSList *tmp, *filenames =
gtk_file_chooser_get_filenames (GTK_FILE_CHOOSER (dialog));
/* open each file */
for (tmp = filenames; tmp != NULL;tmp = g_slist_next (tmp)) {
page = x_window_open_page (w_current, (gchar*)tmp->data);
}
/* Switch to the last page opened */
if ( page != NULL )
x_window_set_current_page (w_current, page);
/* free the list of filenames */
g_slist_foreach (filenames, (GFunc)g_free, NULL);
g_slist_free (filenames);
}
gtk_widget_destroy (dialog);
}
/*! \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();
}
