2001-05-03  Jon K Hellan  <hellan@acm.org>

	* src/gnumeric-util.c (cb_remove_object_data): New callback
	function. Removes object data from wbcg when dialog is destroyed.
	(gnumeric_keyed_dialog): New function. Make dialog a transient
	child of wbcg, attaching to wbcg object data to identify the
	dialog.
	(gnumeric_dialog_raise_if_exists): New function: Raise the dialog
	identified by key if it is registered on the wbcg.

	* src/gnumeric-util.h (gnumeric_dialog_make_unique,
	gnumeric_dialog_raise_if_exists): Declare.

 	* src/about.c (dialog_about): Use gnumeric_keyed_dialog.
	Use gnumeric_dialog_raise_if_exists to ensure that only one sheet
	object config dialog at a time can be displayed for a wbcg.

 	* src/sheet-object-widget.c (sheet_widget_checkbox_user_config):
	Ditto.

2001-05-03  Jon K Hellan  <hellan@acm.org>

	* src/dialogs/dialog-define-names.c (name_guru_init): Use
	gnumeric_keyed_dialog rather than gnumeric_non_modal_dialog.
	(dialog_define_names): Use (gnumeric_dialog_raise_if_exists to
	ensure that only one instance at a time can be displayed for a
	wbcg.