2004-04-05 Martin Hunt <hunt@redhat.com>

2004-04-05  Martin Hunt  <hunt@redhat.com>

	* library/session.tcl: Make hostname and portname
	session-dependent. Add gdb_bg_num (the color
	scheme number) as a per-session variable.

	* library/prefs.tcl (pref_read): If color schemes are in use,
	set colors based on the current scheme.
	(pref_save): Add "bg" section.
	(pref_set_defaults): Define new variable gdb/use_color_schemes
	and define 16 default background colors.

	* library/managedwin.itb (ManagedWin::window_name): Append
	window "instance" string to window name.
	(ManagedWin::window_instance): Set window instance string.

	* library/debugwin.itb: Add a reconfig method to restore
	unique black textbackground, overriding color scheme.

	* library/csprefs.itb:
	* library/csprefs.ith: New files. Implement color scheme
	preferences.

	* library/util.tcl (set_bg_colors): New function.
	(r_setcolors): New function.

	* library/regwin.itb (_prefs_changed): Deleted.
	(reconfig): New function.  Updates tkTable color tags
	if color scheme changes.
	* library/regwin.ith: Update to reflect above changes.

	* library/srcbar.itcl (create_pref_menu): Add pulldown
	menus for "Edit Color Schemes..." and "Use Color Schemes".
	(reconfig): Fix up menu items for color schemes.

	* library/globalpref.itb (_init_var): Add
	gdb/use_color_schemes to variable list.
	(_build_win): Add a checkbutton to enable/disable
	color schemes.

	* library/gdbmenubar.itcl (menubar_add_cascade): Add a class
	argument so cascade menus can be managed by class too.

	* library/interface.tcl (gdbtk_tcl_fputs): Check for
	existence of gdbtk_state(console).  Stops annoying error
	messages.
	(gdbtk_tcl_fputs_error): Ditto.
	(gdbtk_tcl_fputs_log): Ditto.