Added a has_editable field. (_gtk_file_system_model_add_editable): New

Added a has_editable field. (_gtk_file_system_model_add_editable): New

2004-01-16  Federico Mena Quintero  <federico@ximian.com>

	* gtk/gtkfilesystemmodel.c (struct _GtkFileSystemModel): Added a
	has_editable field.
	(_gtk_file_system_model_add_editable): New function.
	(_gtk_file_system_model_remove_editable): New function.
	(gtk_file_system_model_get_value): Return appropriate values for
	the temporary editable row.
	(_gtk_file_system_model_get_info): Handle the editable row.
	(_gtk_file_system_model_get_path): Likewise.

	* gtk/gtkfilechooserdefault.c (shortcuts_append_bookmarks):
	Removed an unused variable.
	(toolbar_button_new): Optionally show the button.
	(up_button_clicked_cb): Renamed from up_button_cb(), fixed prototype.
	(toolbar_create): Add a "New Folder" button for Save mode.
	(error_building_filename_dialog): New helper function.
	(gtk_file_chooser_default_get_paths): Use error_building_filename_dialog().
	(create_file_list): Connect to the "edited" signal of the text
	cell renderer.  Store the name column and text renderer in the
	impl structure.
	(renderer_edited_cb): New callback.
	(gtk_file_chooser_default_set_property): Show/hide the "New
	folder" button when the save action changes.
	(COMPARE_DIRECTORIES): Allow the info values to be NULL.
	(COMPARE_DIRECTORIES): Duh, use the list_model, not the
	tree_model.
	(get_list_file_info): Likewise!
	(list_icon_data_func): Handle the path being NULL.
	(new_folder_button_clicked): New callback.
	(list_name_data_func): If we are on the editable row, set the text
	to "Type name of new folder".
	(list_selection_changed): Handle the editable row.
	(list_mtime_data_func): Likewise.

	* gtk/gtkfilesystemunix.c (gtk_file_system_unix_make_path): Return
	NULL, not FALSE.
	(gtk_file_system_unix_create_folder): Test the result of mkdir() correctly.