1998-09-17  Miguel de Icaza  <miguel@nuclecu.unam.mx>

	* src/sheet-view.c (sheet_view_row_size_changed,
	sheet_view_col_size_changed): If there is a selection of columns
	or rows, change the sizes of all of the columns.

	* src/sheet.c (sheet_row_get_distance, sheet_col_get_distance):
	optimized to be O(n) instead of O(n^2) using
	(col_row_distance): new routine to compute distances.

	* src/sheet-view.c (sheet_view_redraw_cell_region): Add the
	scrolling offset to the x and y positions to draw properly

	* src/xml-io.c (readXmlSheet): Call sheet_set_zoom_factor to
	initialize the ->pixels field.