Truncate ridiculously long titles to avoid crashing or letting the pager

2005-10-03  Elijah Newren  <newren@gmail.com>

	Truncate ridiculously long titles to avoid crashing or letting the
	pager crash.  Based on patch from Ray, incorporating suggestions
	from Havoc and some extensions of my own.  Fixes #315070.

	* src/display.c (set_utf8_string_hint, meta_display_open):
	* src/xprops.[ch] (meta_prop_set_utf8_string_hint):
	Move set_utf8_string_hint() to props.[ch], namespace it
	("meta_prop_"), and make it public

	* src/tabpopup.c (utf8_strndup, meta_ui_tab_popup_new):
	* src/util.[ch] (meta_g_utf8_strndup):
	Move utf8_strndup() to util.[ch], namespace it ("meta_g_"), and
	make it public

	* src/display.c (meta_display_open):
	* src/display.h (struct _MetaDisplay):
	add net_wm_visible_name and net_wm_visible_icon_name atoms to the
	list of atoms we work with

	* src/window-props.c (set_window_title, set_icon_title): If title
	length is greater than 512, truncate it and set
	_NET_WM_VISIBLE_NAME or _NET_...