; IDL> testwid
; PRO testwid_event, event
; ; help,  event, /struct
;    Id = widget_info(event.top,find_by_uname = 'c''est lui')
;    widget_control, event.id, get_uvalue=uval
;    if n_elements(uval) EQ 0 then return
;    case uval of
;       'done':widget_control, event.top, /destroy
;       'set':BEGIN
;          widget_control, event.id, get_value = value & value = value[0]
;          nothing = execute('boxzoom ='+value)
;          widget_control, Id, set_value = boxzoom
;       END
;       'get':BEGIN
;          widget_control, Id, get_value = value
;          print,  value
;       END
;       ELSE:
;    endcase
;    return
; end
; PRO testwid, _extra = ex
;    base=widget_base(/COLUMN)
;    print, 'base=', base
;    nothing = widget_label(base, value = 'beginning of the test')
; ;
;    nothing = cw_domain(base,_extra = ex, uname = 'c''est lui', uvalue = 'c''est lui')
;    print, 'cw_domain ID =', nothing
; ;
;    nothing = widget_label(base, value = 'end of the test')
;    nothing = widget_text(base, value = '[40, 100, -10, 10]', uvalue = 'set', /editable)
;    nothing = widget_button(base, value = 'get', uvalue = 'get')
;    nothing = widget_button(base, value = 'done', uvalue = 'done')
;    widget_control, base, /REALIZE
;    xmanager,'testwid', base
;    return
; end
;
;
;+
;
; @file_comments
;
; @categories
; Compound widget
;
; @param ID
;
;
; @param VALUE
; It is the default tick mark value (a floating-point number).
;
; @returns
;
; @uses
;
; @restrictions
;
; @examples
;
; @history
;
; @version
; $Id$
;
;-
PRO cw_domain_set_value, id, value
;
  compile_opt idl2, strictarrsubs
;
@cm_4mesh
;
   topid = findtopid(id)
   widget_control, topid, get_uvalue = top_uvalue
;------------------------------------------------
; make sure that we have the good grid stored in the cm_4mesh common parameters.
   currentfile = extractatt(top_uvalue, 'currentfile')
   currentgrid = *(extractatt(top_uvalue, 'meshparameters'))[currentfile]
   change = changegrid(currentgrid)
;------------------------------------------------
; What is the type of boxzoom ?
   currentplot = (extractatt(top_uvalue, 'smallin'))[2]-1
   options = extractatt(top_uvalue, 'options')
   flags = extractatt(top_uvalue, 'optionsflag')
   flags = flags[*, currentplot]
   IF (flags[where(options EQ 'Longitude / x index')])[0] EQ 0 THEN $
    xtype = 'geographic' ELSE xtype = 'index'
   IF (flags[where(options EQ 'Latitude / y index')])[0] EQ 0 THEN $
    ytype = 'geographic' ELSE ytype = 'index'
;------------------------------------------------
; How to complete the boxzoom ?
   IF xtype EQ  'geographic' then begin
      lonn1 = lon1
      lonn2 = lon2
      xtitle = 'lon'
   ENDIF ELSE BEGIN
      lonn1 = firstxt
      lonn2 = lastxt
      xtitle = 'x ind'
   ENDELSE
   IF ytype EQ  'geographic' then begin
      latt1 = lat1
      latt2 = lat2
      ytitle = 'lat'
   ENDIF ELSE BEGIN
      latt1 = firstyt
      latt2 = lastyt
      ytitle = 'y ind'
   ENDELSE
;------------------------------------------------
   vertf1 = floor(min([gdepw[0], gdept[0]]))
   vertf2 = ceil(max([gdepw[0], gdept[0]]))
;------------------------------------------------
   Case N_Elements(Value) OF
      0:boxzoom = [lonn1, lonn2, latt1, latt2, vertf1, vertf2]
      1:BEGIN
         if value EQ -1 then boxzoom = [lonn1, lonn2, latt1, latt2, vertf1, vertf2] $
         ELSE boxzoom=[lonn1, lonn2, latt1, latt2, 0.,value[0]]
      END
      2:boxzoom=[lonn1, lonn2, latt1, latt2, value[0],value[1]]
      4:boxzoom=[Value]
      5:boxzoom=[Value[0:3], 0, Value[4]]
      6:boxzoom = Value
      Else:BEGIN
         rien = report('Wrong Definition of Boxzoom')
      END
   ENDCASE
;------------------------------------------------
   boxzoom[0] = floor(boxzoom[0])
   boxzoom[1] = ceil(boxzoom[1])
   boxzoom[2] = floor(boxzoom[2])
   boxzoom[3] = ceil(boxzoom[3])
   if n_elements(boxzoom GE 5) then begin
      boxzoom[4] = floor(boxzoom[4])
      boxzoom[5] = ceil(boxzoom[5])
   endif
;------------------------------------------------
;------------------------------------------------
   widget_control,widget_info(id,find_by_uname = 'lon1'), get_uvalue = uvalue
   strict = uvalue.strict
;
; Longitudes
;
; Possible min and max
   if xtype EQ 'geographic' then BEGIN
      min = floor(min([glamt,glamf], max = max))
      max = ceil(max)
   ENDIF ELSE BEGIN
      min = 0
      max = jpi-1
   ENDELSE
; widgets's id
   lon1id = widget_info(id,find_by_uname = 'lon1')
   lon2id = widget_info(id,find_by_uname = 'lon2')
; Do we have to change the type of x axis: longitude/index
   lonbase = widget_info(id,find_by_uname = 'lonbase')
   widget_control, lonbase,  get_uvalue = lonbase_uvalue
   if lonbase_uvalue.name NE xtype then BEGIN
      widget_control, lonbase, update = 0
; We break everything
      widget_control, lon1id, /destroy
      widget_control, lon2id, /destroy
; We reconstruct
      lon1id = cw_slider_pm(lonbase,value=min > boxzoom[0] < ((boxzoom[1] < max)-keyword_set(strict)) $
                            , uvalue={name:'lon1', strict:keyword_set(strict)},uname ='lon1' $
                            , title = xtitle+'1', minimum = min $
                            , maximum = (boxzoom[1] < max)-keyword_set(strict))
      lon2id = cw_slider_pm(lonbase,value=((min > boxzoom[0])+keyword_set(strict)) > boxzoom[1] < max $
                            , uvalue={name:'lon2', strict:keyword_set(strict)} $
                            , uname='lon2', title = xtitle+'2', maximum = max $
                            , minimum = (min > boxzoom[0])+keyword_set(strict))
      widget_control, lonbase, set_uvalue = {name:xtype}
      widget_control, lonbase, update = 1
   ENDIF ELSE BEGIN
; The new value  they will have
      cursorvalue1 = min > boxzoom[0] < ((boxzoom[1] < max)-strict)
      cursorvalue2 = ((min > boxzoom[0])+strict) > boxzoom[1] < max
; We change slider's boundaries
      widget_control, lon1id, set_value = {slider_min:min, slider_max:cursorvalue2-strict}
      widget_control, lon2id, set_value = {slider_min:cursorvalue1+strict, slider_max:max}
; We attribute the new value
      widget_control, lon1id , set_value = cursorvalue1
      widget_control, lon2id, set_value = cursorvalue2
   ENDELSE
;
; Latitudes
;
; Possible min and max
   if ytype EQ 'geographic' then begin
      min = floor(min([gphit,gphif], max = max))
      max = ceil(max)
   ENDIF ELSE BEGIN
      min = 0
      max = jpj-1
   ENDELSE
; Do we have to change the type of y axis: latitude/index
   latbase = widget_info(id,find_by_uname = 'latbase')
   widget_control, latbase,  get_uvalue = latbase_uvalue
   lat1id = widget_info(id,find_by_uname = 'lat1')
   lat2id = widget_info(id,find_by_uname = 'lat2')
   if latbase_uvalue.name NE ytype then BEGIN
      widget_control, latbase, update = 0
      widget_control, lat1id, /destroy
      widget_control, lat2id, /destroy
      lat1id = cw_slider_pm(latbase,value=min > boxzoom[2] < ((boxzoom[3] < max)-keyword_set(strict)) $
                            , uvalue={name:'lat1', strict:keyword_set(strict)},uname ='lat1' $
                            , title = ytitle+'1', minimum =min $
                            , maximum = ((boxzoom[3] < max)-keyword_set(strict)))
      lat2id = cw_slider_pm(latbase,value=((min > boxzoom[2])+keyword_set(strict)) > boxzoom[3] < max $
                            , uvalue={name:'lat2', strict:keyword_set(strict)} $
                            , uname ='lat2', title = ytitle+'2' ,maximum =  max $
                            , minimum =(min > boxzoom[2])+keyword_set(strict))
      widget_control, latbase, set_uvalue = {name:ytype}
      widget_control, latbase, update = 1
   ENDIF ELSE BEGIN
      cursorvalue1 = min > boxzoom[2] < ((boxzoom[3] < max)-strict)
      cursorvalue2 = ((min > boxzoom[2])+strict) > boxzoom[3] < max
      widget_control, lat1id, set_value = {slider_min:min, slider_max:cursorvalue2-strict}
      widget_control, lat2id, set_value = {slider_min:cursorvalue1+strict, slider_max:max}
      widget_control, lat1id, set_value = cursorvalue1
      widget_control, lat2id, set_value = cursorvalue2
   ENDELSE
;
   if n_elements(boxzoom) EQ 4 then return
;
; depth
;
   dthlv1id = widget_info(id, find_by_uname = 'dthlv1')
   dthlv2id = widget_info(id, find_by_uname = 'dthlv2')
   depth1id = widget_info(id, find_by_uname = 'depth1')
   depth2id = widget_info(id, find_by_uname = 'depth2')
; which type of point?
   widget_control, dthlv1id, get_uvalue = dthlv1_uval
; get the new axis
   if dthlv1_uval.grid_t EQ 1 then gdep = gdept ELSE gdep = gdepw
 ; Did we change the vertical axis?
   widget_control, dthlv1id, get_value = dthlv1_value
   gdep1 = floor(fix(dthlv1_value.combobox_value))
   IF array_equal(gdep1, floor(gdep)) NE 1 THEN BEGIN
      gdep1 = floor(gdep)
      gdep2 = ceil(gdep)
;;       same = where(gdep2-gdep1 EQ 0)
;;       if same[0] NE -1 then gdep2[same] = gdep2[same] + 1
      widget_control, dthlv1id, set_value = {value:strtrim(gdep1, 1)}
      widget_control, dthlv2id, set_value = {value:strtrim(gdep2, 1)}
   ENDIF ELSE gdep2 = gdep1+1
; We make sure that given depths contains at least one level.
   if boxzoom[4] GT boxzoom[5] then begin
      rien = boxzoom[4]
      boxzoom[4] = boxzoom[5]
      boxzoom[5] = rien
   endif
;
   rien = where(gdep1 LT boxzoom[4], indice1)
   indice1 = indice1 < (jpk-1)
   rien = where(gdep2 LE boxzoom[5], indice2)
   indice2 = indice1 > (indice2-1)
;
   if indice1 EQ indice2 then BEGIN
      if (where(gdep1 GE boxzoom[4] AND gdep2 LE boxzoom[5]))[0]  EQ -1 then begin
         indice1 = 0 > (indice1-(dthlv1_uval.grid_t EQ 1))
         indice2 = indice1
      endif
      boxzoom[4] = gdep1[indice1]
      boxzoom[5] = boxzoom[4]+1
   endif
; Now, values and indexes are properly defined.
; So we can apply them
   widget_control, dthlv1id, set_value = {combobox_select:indice1}
   widget_control, dthlv2id, set_value = {combobox_select:indice2}
; control mins and maxs of sliders...
   if indice1 EQ 0 then min1 = 0 ELSE min1 = gdep2[indice1-1]
   max1 = (min1+1) > gdep1[indice2]
   widget_control, depth1id, set_value = {slider_min:min1, slider_max:max1, value:boxzoom[4]}
   min2 = gdep2[indice1]
   if indice2 EQ jpk-1 then BEGIN
      max2 = max([gdept, gdepw])
      max2 = strtrim(string(max2,format='(e8.0)'), 1)
      max2 = float('1'+strmid(max2, 1))+float(max2)
   ENDIF ELSE max2 = gdep1[indice2+1]
   widget_control, depth2id, set_value = {slider_min:min2, slider_max:max2, value:boxzoom[5]}
;
   return
end
;
;+
;
; @file_comments
;
; @categories
; Compound widget
;
; @param ID
;
; @returns
;
; @uses
;
; @restrictions
;
; @examples
;
; @history
;
; @version
; $Id$
;
;-
FUNCTION cw_domain_get_value, id
;
  compile_opt idl2, strictarrsubs
;
   box = fltarr(6)
   possiblecase = ['lon1', 'lon2', 'lat1', 'lat2', 'depth1', 'depth2']
   for i = 0, 5 do begin
      widget_control, widget_info(id, find_by_uname = possiblecase[i]) $
       , get_value = value
      box[i] = value.value
    ENDFOR
   return, box
end
;+
;
; @file_comments
;
; @categories
; Compound widget
;
; @param EVENT
;
; @returns
;
; @uses
;
; @restrictions
;
; @examples
;
; @history
;
; @version
; $Id$
;
;-
FUNCTION cw_domain_event, event
;
  compile_opt idl2, strictarrsubs
;
@common
; help,  /struct, event
   if (where(tag_names(event) EQ 'OUT'))[0] NE -1 then if event.out NE 0 then return,  -1
   widget_control, event.id, get_uvalue = uval
   case uval.name of
      'lon1':widget_control,widget_info(event.handler,find_by_uname = 'lon2') $
       , set_value = {slider_min:event.value+uval.strict}
      'lon2':widget_control,widget_info(event.handler,find_by_uname = 'lon1') $
       , set_value = {slider_max:event.value-uval.strict}
      'lat1':widget_control,widget_info(event.handler,find_by_uname = 'lat2') $
       , set_value = {slider_min:event.value+uval.strict}
      'lat2':widget_control,widget_info(event.handler,find_by_uname = 'lat1') $
       , set_value = {slider_max:event.value-uval.strict}
      'unzoom':BEGIN
         id = widget_info(event.handler,find_by_uname = 'lon1')
         widget_control, id, get_value = value
         widget_control, id, set_value = {slider_min:value.slider_min_max[0]}
         widget_control, id, set_value = value.slider_min_max[0]
         id = widget_info(event.handler,find_by_uname = 'lat1')
         widget_control, id, get_value = value
         widget_control, id, set_value = {slider_min:value.slider_min_max[0]}
         widget_control, id, set_value = value.slider_min_max[0]
         id = widget_info(event.handler,find_by_uname = 'lon2')
         widget_control, id, get_value = value
         widget_control, id, set_value = {slider_max:value.slider_min_max[1]}
         widget_control, id, set_value = value.slider_min_max[1]
         id = widget_info(event.handler,find_by_uname = 'lat2')
         widget_control, id, get_value = value
         widget_control, id, set_value = {slider_max:value.slider_min_max[1]}
         widget_control, id, set_value = value.slider_min_max[1]
      END
      'dthlv1':BEGIN
; ids...
         depth1id = widget_info(event.handler,find_by_uname = 'depth1')
         depth2id = widget_info(event.handler,find_by_uname = 'depth2')
         dthlv2id = widget_info(event.handler,find_by_uname = 'dthlv2')
; Do we have to change dthlv2 ?
         widget_control, event.id, get_value = dthlv1_value
         gdep1 = fix(dthlv1_value.combobox_value)
         widget_control, dthlv2id, get_value = dthlv2_value
         gdep2 = fix(dthlv2_value.combobox_value)
         if dthlv2_value.combobox_index LT event.index then BEGIN
; We redefine the dthlv2id's value
            widget_control, dthlv2id, set_value = {combobox_select:event.index}
; So we redefine the value and the max of the slider 2
            if event.index EQ jpk-1 then BEGIN
               max = max([gdept, gdepw])
               max = strtrim(string(max,format='(e8.0)'), 1)
               max = float('1'+strmid(max, 1))+float(max)
            ENDIF ELSE max = gdep2[event.index+1]-1
            widget_control, depth2id $
             , set_value = {slider_max:max, value:gdep2[event.index]}
; So we redefine the max of the slider 1
            widget_control, depth1id, set_value = {slider_max:gdep1[event.index]}
         END
; We redefine the value and the min of the slider depth1
         if event.index EQ 0 then min = 0 ELSE min = gdep1[event.index-1]+1
         widget_control, depth1id, set_value = {slider_min:min, value:gdep1[event.index]}
; S we change the value of the min of the slider depth 2
         widget_control, depth2id, set_value = {slider_min:gdep1[event.index]+1}
      END
      'dthlv2':BEGIN
; ids...
         depth1id = widget_info(event.handler,find_by_uname = 'depth1')
         depth2id = widget_info(event.handler,find_by_uname = 'depth2')
         dthlv1id = widget_info(event.handler,find_by_uname = 'dthlv1')
; Do we have to change dthlv1 ?
         widget_control, dthlv1id, get_value = dthlv1_value
         gdep1 = fix(dthlv1_value.combobox_value)
         widget_control, event.id, get_value = dthlv2_value
         gdep2 = fix(dthlv2_value.combobox_value)
         if dthlv1_value.combobox_index GT event.index then BEGIN
; We redfine the value of dthlv1id
            widget_control, dthlv1id, set_value = {combobox_select:event.index}
; So we redefine the value and the min of the slider 1
            if event.index EQ 0 then min = 0 ELSE min = gdep2[event.index-1]
            widget_control, depth1id $
             , set_value = {slider_min:min, value:gdep1[event.index]}
; Se we redefine the min of the slider 2
            widget_control, depth2id, set_value = {slider_min:gdep2[event.index]}
         END
; We redefine the value and the max of the slider depth 2
         if event.index EQ jpk-1 then BEGIN
            max = max([gdept, gdepw])
            max = strtrim(string(max,format='(e8.0)'), 1)
            max = float('1'+strmid(max, 1))+float(max)
         ENDIF ELSE max = gdep2[event.index+1]-1
         widget_control, depth2id, set_value = {slider_max:max, value:gdep2[event.index]}
; So we change the value of the max of the slider depth 1
         widget_control, depth1id, set_value = {slider_max:gdep2[event.index]-1}
      END
      'depth1':BEGIN
; ids...
         depth2id = widget_info(event.handler,find_by_uname = 'depth2')
         dthlv1id = widget_info(event.handler,find_by_uname = 'dthlv1')
; Do we have to change dthlv1 ?
         widget_control, dthlv1id, get_value = dthlv1_value
         gdep1 = fix(dthlv1_value.combobox_value)
         rien = where(gdep1 LT event.value, indice)
         indice = indice < (jpk-1)
         if indice NE dthlv1_value.combobox_index then begin
; We change the min of depth2
            widget_control, depth2id, set_value = {slider_min:gdep1[indice]+1}
; We redefine the value of dthlv1id
            widget_control, dthlv1id, set_value = {combobox_select:indice}
; So we redefine the min of the slider 1
            if indice EQ 0 then min = 0 ELSE min = gdep1[indice-1]+1
            widget_control, event.id, set_value = {slider_min:min}
         endif
      END
      'depth2':BEGIN
; ids...
         depth1id = widget_info(event.handler,find_by_uname = 'depth1')
         dthlv2id = widget_info(event.handler,find_by_uname = 'dthlv2')
; Do we have to change dthlv2 ?
         widget_control, dthlv2id, get_value = dthlv2_value
         gdep2 = fix(dthlv2_value.combobox_value)
         rien = where(gdep2 LE event.value, indice)
         indice = 0 > (indice-1)
         if indice NE dthlv2_value.combobox_index then begin
; We change the min of depth1
            widget_control, depth1id, set_value = {slider_max:gdep2[indice]-1}
; We redefine the value of dthlv2id
            widget_control, dthlv2id, set_value = {combobox_select:indice}
; So we redefine the min of the slider 2
            if indice EQ jpk-1 then BEGIN
               max = max([gdept, gdepw])
               max = strtrim(string(max,format='(e8.0)'), 1)
               max = float('1'+strmid(max, 1))+float(max)
            ENDIF ELSE max = gdep2[indice+1]-1
            widget_control, event.id, set_value = {slider_max:max}
         endif
      END
      ELSE:
   ENDCASE
;    slidesliceid = widget_info(event.top, find_by_uname = 'slide_slice')
;    if slidesliceid NE 0 then widget_control, slidesliceid, set_value = 1
   return,{ID:event.handler, TOP:event.top, HANDLER:0L $
           , BOX:cw_domain_get_value(event.handler)}
end
;
;+
;
; @file_comments
;
; @categories
; Compound widget
;
; @param PARENT {in}{required}
; The widget ID of the parent widget.
;
; @keyword UVALUE
; The user value to be associated with the widget.
;
; @keyword UNAME
; The user name to be associated with the widget.
;
; @keyword STRICT
;
; @keyword UNZOOM
;
; @keyword BOXZOOM
; Vector indicating the geographic zone on which we want to cut the map.
; If BOXZOOM has :
;   1 element : The extraction is made on [lon1, lon2, lat1, lat2, 0.,boxzoom[0]]
;   2 elements: The extraction is made on [lon1, lon2, lat1, lat2, boxzoom[0],boxzoom[1]]
;   4 elements: The extraction is made on [Boxzoom, 0, max([gdept, gdepw])]
;   5 elements: The extraction is made on [Boxzoom[0:3], 0, Boxzoom[4]]
;   6 elements: The extraction is made on Boxzoom
; Where lon1, lon2,lat1,lat2 are global variables defined at the last 
; <pro>domdef</pro>!
;
; @keyword _EXTRA
; Used to pass keywords
;
; @returns
;
; @uses
;
; @restrictions
;
; @examples
;
; @history
;
; @version
; $Id$
;
; @todo
; seb: Documenter
;
;-
FUNCTION cw_domain, parent, BOXZOOM=boxzoom, STRICT=strict $
                  , UVALUE=uvalue, UNAME=uname, UNZOOM=unzoom, _EXTRA=ex
;
;
  compile_opt idl2, strictarrsubs
;
@cm_4mesh
@cm_4data
;
; Definition of the boxzoom
  Case N_Elements(Boxzoom) OF
    0:boxzoom = [lon1, lon2, lat1, lat2 $
                 , min([gdepw[0], gdept[0]]), max([gdepw[0], gdept[0]]) ]
    1:boxzoom = [lon1, lon2, lat1, lat2, 0., boxzoom[0]]
    2:boxzoom = [lon1, lon2, lat1, lat2, boxzoom[0], boxzoom[1]]
    4:boxzoom = [Boxzoom, vert1, vert2]
    5:boxzoom = [Boxzoom[0:3], 0, Boxzoom[4]]
    6:
    Else: return, report('Mauvaise Definition de Boxzoom')
  ENDCASE
  IF total(Boxzoom) EQ 0 THEN $
     boxzoom = [lon1, lon2, lat1, lat2, min([gdepw[0], gdept[0]]), max([gdepw[0], gdept[0]])]
;
  boxzoom[0] = floor(boxzoom[0])
  boxzoom[1] = ceil(boxzoom[1])
  boxzoom[2] = floor(boxzoom[2])
  boxzoom[3] = ceil(boxzoom[3])
  boxzoom[4] = floor(boxzoom[4])
  boxzoom[5] = ceil(boxzoom[5])
;------------------------------------------------
  if NOT keyword_set(uvalue) then uvalue = ''
  if NOT keyword_set(uname) then uname = ''
  base = widget_base(parent, row = 2, space = 0 $
                     , EVENT_FUNC = 'cw_domain_event' $
                     , FUNC_GET_VALUE = 'cw_domain_get_value' $
                     , PRO_SET_VALUE = 'cw_domain_set_value' $
                     , UVALUE = uvalue, UNAME = uname, _extra = ex)
;------------------------------------------------
  baseh = widget_base(base, column = 1+keyword_set(unzoom), space = 0)
;------------------------------------------------
  baseh1 = widget_base(baseh, row = 2, space = 0)
;-------------longitude---------------------------
  min = floor(min([glamt, glamf], max = max))
  max = ceil(max)
  IF max-min GT 360 AND keyword_set(key_periodic) THEN max = min+360
  lonbase = widget_base(baseh1, column = 2, space = 0, uname = 'lonbase', uvalue = {name:'geographic'})
  lon1id = cw_slider_pm(lonbase, value = min > boxzoom[0] < ((boxzoom[1] < max)-keyword_set(strict)) $
                        , uvalue = {name:'lon1', strict:keyword_set(strict)}, uname = 'lon1' $
                        , title = 'lon1', minimum = min $
                        , maximum = (boxzoom[1] < max)-keyword_set(strict))
  lon2id = cw_slider_pm(lonbase, value = ((min > boxzoom[0])+keyword_set(strict)) > boxzoom[1] < max $
                        , uvalue = {name:'lon2', strict:keyword_set(strict)} $
                        , uname = 'lon2', title = 'lon2', maximum = max $
                        , minimum = (min > boxzoom[0])+keyword_set(strict))
;---------------latitude-------------------------
  min = floor(min([gphit, gphif], max = max))
  max = ceil(max)
  latbase = widget_base(baseh1, column = 2, space = 0, uname = 'latbase', uvalue = {name:'geographic'})
  lat1id = cw_slider_pm(latbase, value = min > boxzoom[2] < ((boxzoom[3] < max)-keyword_set(strict)) $
                        , uvalue = {name:'lat1', strict:keyword_set(strict)}, uname = 'lat1' $
                        , title = 'lat1', minimum = min $
                        , maximum = ((boxzoom[3] < max)-keyword_set(strict)))
  lat2id = cw_slider_pm(latbase, value = ((min > boxzoom[2])+keyword_set(strict)) > boxzoom[3] < max $
                        , uvalue = {name:'lat2', strict:keyword_set(strict)} $
                        , uname = 'lat2', title = 'lat2', maximum =  max $
                        , minimum = (min > boxzoom[2])+keyword_set(strict))
;----------------unzoom------------------------
  if keyword_set(unzoom) then rien = widget_button(baseh, value = 'unzoom', uvalue = {name:'unzoom'}, xsize = 60, ysize = 110)
;----------------depth------------------------
  basez = widget_base(base, column = 3, space = 0, /base_align_center)
;------------------------------------------------
  basezdrp = widget_base(basez, row = 2, space = 0)
;
  if strupcase(vargrid) EQ 'W' then gdep = gdepw ELSE gdep = gdept
  gdep1 = floor(gdep)
  gdep2 = ceil(gdep)
;;   same = where(gdep2-gdep1 EQ 0)
;;   if same[0] NE -1 then gdep2[same] = gdep2[same] +1
  sgdep1 = strtrim(gdep1, 1)
  sgdep2 = strtrim(gdep2, 1)
;
  dephtid = cw_combobox_pm(basezdrp, value = ''+sgdep1, uvalue = {name:'dthlv1', grid_t:strupcase(vargrid) NE 'W'}, uname = 'dthlv1')
  rien = where(gdep1 LT boxzoom[4], indice1)
  indice1 = indice1 < (jpk-1)
  widget_control, dephtid, set_value = {combobox_select:indice1}
;
  dephtid = cw_combobox_pm(basezdrp, value = ''+sgdep2, uvalue = {name:'dthlv2'}, uname = 'dthlv2')
  rien = where(gdep2 LE boxzoom[5], indice2)
  indice2 = indice1 > (indice2-1)
  widget_control, dephtid, set_value = {combobox_select:indice2}
;
;------
;   basedepthslid = widget_base(base, column = 2, space = 0)
  strminlen = max(strlen(strtrim(round([gdept, gdepw]), 1)))
;
  if indice1 EQ 0 then min1 = 0 ELSE min1 = gdep2[indice1-1]
  max1 = (min1+1) > gdep1[indice2]
  rien = cw_slider_pm(basez, value = min1 > boxzoom[4] < (boxzoom[5] < max1) $
                      , uvalue = {name:'depth1'}, uname = 'depth1', strminlen = strminlen $
                      , title = 'z1', minimum = min1, maximum = max1)
;
  min2 = gdep2[indice1]
  if indice2 EQ jpk-1 then max2 = ceil(max([gdept, gdepw])) $
  ELSE max2 = gdep1[indice2+1]
  if floor(max2) LE floor(min2) then max2 = min2+1
  rien = cw_slider_pm(basez, value = (min2 > boxzoom[4]) > boxzoom[5] < max2 $
                      , uvalue = {name:'depth2'}, minimum = min2, maximum =  max2 $
                      , uname = 'depth2', title = 'z2', strminlen = strminlen)
;--------------------------------------------
;
  return, base
end