/*! \brief delete a page and it's contents
* \par Function Description
* Deletes a single page <B>page</B> from <B>toplevel</B>'s list of pages.
*
* See #s_page_delete_list() to delete all pages of a <B>toplevel</B>
*
* If the current page of toplevel is given as parameter <B>page</B>,
* the function sets the field <B>page_current</B> of the TOPLEVEL
* struct to NULL.
*/
void s_page_delete (TOPLEVEL *toplevel, PAGE *page)
{
PAGE *tmp;
gchar *backup_filename;
gchar *real_filename;
/* We need to temporarily make the page being deleted current because
* various functions called below (some indirectly) assume they are
* deleting objects from the current page.
*
* These functions are known to include:
* s_delete_object ()
*/
/* save page_current and switch to page */
if (page == toplevel->page_current) {
tmp = NULL;
} else {
tmp = toplevel->page_current;
s_page_goto (toplevel, page);
}
/* Get the real filename and file permissions */
real_filename = follow_symlinks (page->page_filename, NULL);
if (real_filename == NULL) {
s_log_message (_("s_page_delete: Can't get the real filename of %s."),
page->page_filename);
}
else {
backup_filename = f_get_autosave_filename (real_filename);
/* Delete the backup file */
if ( (g_file_test (backup_filename, G_FILE_TEST_EXISTS)) &&
(!g_file_test(backup_filename, G_FILE_TEST_IS_DIR)) )
{
if (unlink(backup_filename) != 0) {
s_log_message(_("s_page_delete: Unable to delete backup file %s."),
backup_filename);
}
}
g_free (backup_filename);
}
g_free(real_filename);
/* Free the selection object */
g_object_unref( page->selection_list );
/* then delete objects of page */
s_page_delete_objects (toplevel, page);
/* Free the objects in the place list. */
s_delete_object_glist (toplevel, page->place_list);
page->place_list = NULL;
#if DEBUG
printf("Freeing page: %s\n", page->page_filename);
s_tile_print(toplevel);
#endif
s_tile_free_all (page);
s_stretch_destroy_all (page->stretch_list);
/* free current page undo structs */
s_undo_free_all (toplevel, page);
/* ouch, deal with parents going away and the children still around */
page->up = -2;
g_free (page->page_filename);
geda_list_remove( toplevel->pages, page );
#if DEBUG
s_tile_print (toplevel);
#endif
g_free (page);
/* restore page_current */
if (tmp != NULL) {
s_page_goto (toplevel, tmp);
} else {
/* page was page_current */
toplevel->page_current = NULL;
/* page_current must be updated by calling function */
}
}
/*! \brief delete a page and it's contents
* \par Function Description
* Deletes a single page <B>page</B> from <B>toplevel</B>'s list of pages.
*
* See #s_page_delete_list() to delete all pages of a <B>toplevel</B>
*
* If the current page of toplevel is given as parameter <B>page</B>,
* the function sets the field <B>page_current</B> of the TOPLEVEL
* struct to NULL.
*/
void s_page_delete (TOPLEVEL *toplevel, PAGE *page)
{
PAGE *tmp;
gchar *backup_filename;
gchar *real_filename;
/* We need to temporarily make the page being deleted current because
* various functions called below (some indirectly) assume they are
* deleting objects from the current page.
*
* These functions are known to include:
* s_delete_object ()
*/
/* save page_current and switch to page */
if (page == toplevel->page_current) {
tmp = NULL;
} else {
tmp = toplevel->page_current;
s_page_goto (toplevel, page);
}
/* Get the real filename and file permissions */
real_filename = follow_symlinks (page->page_filename, NULL);
if (real_filename == NULL) {
s_log_message (_("s_page_delete: Can't get the real filename of %s."),
page->page_filename);
}
else {
backup_filename = f_get_autosave_filename (real_filename);
/* Delete the backup file */
if ( (g_file_test (backup_filename, G_FILE_TEST_EXISTS)) &&
(!g_file_test(backup_filename, G_FILE_TEST_IS_DIR)) )
{
if (unlink(backup_filename) != 0) {
s_log_message(_("s_page_delete: Unable to delete backup file %s."),
backup_filename);
}
}
g_free (backup_filename);
}
g_free(real_filename);
/* Free the selection object */
g_object_unref( page->selection_list );
/* then delete objects of page */
s_page_delete_objects (toplevel, page);
/* Free the objects in the place list. */
s_delete_object_glist (toplevel, page->place_list);
page->place_list = NULL;
/* This removes all objects from the list of connectible objects
* of the given \a page. */
if (g_list_length (page->connectible_list) != 0) {
fprintf (stderr,
"OOPS! page->connectible_list had something in it when it was freed!\n");
fprintf (stderr, "Length: %d\n", g_list_length (page->connectible_list));
}
g_list_free (page->connectible_list);
page->connectible_list = NULL;
/* free current page undo structs */
s_undo_free_all (toplevel, page);
/* ouch, deal with parents going away and the children still around */
page->up = -2;
g_free (page->page_filename);
geda_list_remove( toplevel->pages, page );
s_weakref_notify (page, page->weak_refs);
g_free (page);
/* restore page_current */
if (tmp != NULL) {
s_page_goto (toplevel, tmp);
} else {
/* page was page_current */
s_toplevel_set_page_current (toplevel, NULL);
/* page_current must be updated by calling function */
}
}
