2005-01-24  Emmanuel Pacaud <emmanuel.pacaud@univ-poitiers.fr>

	* src/gnumeric-canvas.c (gnm_canvas_key_mode_object): pass shift state
	to scg_objects_nudge.
	* src/gnumeric-pane.c (gnm_pane_object_move): alter real move values
	with feedback from scg_object_drags. With snap to grid real move can
	be different than what asked.
	(cb_slide_handler): update call to gnm_pane_object_move.
	(cb_control_point_event): update call to scg_object_drag.
	Pass shift state to gnm_pane_object_move.
	* src/sheet-control-gui.c (snap_pos_to_grid): new.
	(snap_to_grid): new.
	(apply_move): new.
	(drag_object): new.
	(drag_selected_objects): use drag_object.
	(scg_objects_drag): drag primary object first.