;+
;
; @file_comments
; Create a widget with some text at the middle of the window
;
; @categories
; Information
;
; @param TEXT {in}{required}{type=string vector or scalar}
; it is a string or a vector of string. If it is a scalar, we
; look for the line separator !C to create a text with several lines.
;
; @keyword CHKWIDGET
; Force to verify that they are some active widget to create a widget,
; otherwise print at the prompt
;
; @returns
; The identity of the created widget
;
; @restrictions
; It do not call xmanager -> It do not create any event!
; We have to delete this widget manually:
; widget_control, widgetid, /destroy
;
; @examples
;    IDL> id=xnotice('ca marche !C ou pas?')
;    IDL> widget_control, id, /destroy
;
; @history
; Sebastien Masson (smasson\@lodyc.jussieu.fr)
;                      2000 3 17
;
; @version
; $Id$
;
;-
FUNCTION xnotice, text, CHKWIDGET = chkwidget
;
; We separate the text in different lines (separated by !C) if it is not done yet...
;
  compile_opt idl2, strictarrsubs
;
   if n_elements(text) EQ 1 then text = str_sep(text, '!C', /trim)
;
   if keyword_set(chkwidget) then makewid = (widget_info(/managed))[0]ELSE makewid = 1
;
   if makewid EQ 0 then BEGIN
      for i = 0,  n_elements(text)-1 do print, text[i]
      noticebase = 0
   endif
;
   noticebase = widget_base(/column, title = 'information', /align_center)
   screensize = get_screen_size()
   widget_control, noticebase, tlb_set_xoffset = screensize[0]/2.2, tlb_set_yoffset = screensize[1]/2.2
   nothing = widget_label(noticebase, value = ' ')
   for i = 0,  n_elements(text)-1 do nothing = widget_label(noticebase, value = text[i])
   nothing = widget_label(noticebase, value = ' ')
   widget_control,noticebase,/realize
;
   return, noticebase
end