;+ ; ; File WINUP.PRO ; routines: GET_MY_WINDOWS, REMOVE_MY_SAVED, WINUP_EV, WINUP ; ;- ;============================================================================ ;+ ; ; FUNCTION GET_MY_WINDOWS ; ; Creates and returns a string array containing all active IDL window, ; and if any windows were saved to the window_array common with WINUP.PRO ; then a description will also be present. ; ; Calling sequence: x = GET_MY_WINDOW ; ; INPUT: none ; OUTPUT: string array of alll active window ; ; COMMON: window_array ; ;- function get_my_windows @winup_common device, window=w ; get active windows indexs=where(w) & active=n_elements(indexs) if indexs(0) eq -1 then begin ; no windows active list = 'No active windows' windows_index=-1 windows_title='' return, list endif list = strarr(active) for i = 0, active-1 do begin ; for each active window ; If this window's information was saved to the common ; then it will have a nice title associated with it ; else only the index number can be shown present = where(windows_index eq indexs(i)) if present(0) ne -1 then begin list(i) = string(strtrim(windows_index(present),2),'(a3)') $ + ' ' + windows_title(present) endif else begin ; not recorded list(i) =string(strtrim(indexs(i),2),'(a3)') endelse endfor return,list end ;============================================================================ ;+ ; ; PRO REMOVE_MY_SAVED, [INDEX=INDEX] ; ; If the provided index number has been saved to the common window_array ; then remove it and it's associated description from the commaon arrays. ; This reduces the arrays' size by one ; ; input: ; INDEX : ; ;- pro remove_my_saved, index=index @winup_common rem = where(windows_index eq index) ; check common for this window if rem(0) ne -1 then begin ; was it saved before maxele = n_elements(windows_index) - 1 n1 = rem(0)-1 n2 = rem(0)+1 n3 = maxele if maxele -1 lt 0 then begin ; get rid of only element windows_index=-1 windows_title='' endif else case 1 of n1 lt 0: begin ; get rid of first element windows_index= windows_index(n2:n3) windows_title= windows_title(n2:n3) end n2 gt maxele : begin ; get rid of last element windows_index= windows_index(0:n1) windows_title= windows_title(0:n1) end else : begin ; get rid of any middle element windows_index=[windows_index(0:n1), windows_index(n2:n3)] windows_title=[windows_title(0:n1), windows_title(n2:n3)] end endcase endif return end ;============================================================================ ;+ ; ; PRO WINUP_EV, EVENT ; ; Event handler for WINUP.PRO ; ;- pro winup_ev, event @winup_common widget_control, event.id, get_uvalue=input ; user's name for widget widget_control, event.top, get_uvalue=pass ; get stuff passed as ; a structure type = strmid(tag_names(event, /structure_name), 7, 4) ; type of widget case type of ; (button, list...) 'BUTT' : begin case input of ; which button was selected 'QUIT' : begin widget_control, event.top, /destroy ; kill top widgets end 'DELETE' : begin if pass.number eq -1 then return ; nothing to delete wdelete, pass.number ; delete IDL window remove_my_saved, index=pass.number ; re-write widget with updated information list=get_my_windows() widget_control, pass.dlist, set_value=list, set_uvalue=list end 'DELALL' : begin device,window=w ; get active windows exists=where(w eq 1, count) ; windows' indexes for i = 0, count-1 do wdelete, exists(i) windows_index=-1 windows_title='' widget_control, event.top, /destroy ; kill top widgets end else: message, 'Error matching case input in WINUP_EVENT' endcase end 'LIST' : begin pass.place = event.index value=input(pass.place) ; file user selected from list if value(0) eq 'No active windows' then return pass.number = fix(strmid(value(0), 0, 3)) ; extract just index number widget_control, event.top, set_uvalue=pass ; save it end else: return endcase return end ;============================================================================= ;+ ; PROJECT: ; SDAC ; NAME: ; WINUP ; USE: ; WINUP, [/ALL, MESSAGE=MESSAGE, group_leader=group] ; WINUP, index, /ADD, [TITLE=TITLE, MESSAGE=MESSAGE] ; ADDS window indentifing information to the window_array common ; ; WINUP, [index], [TITLE=TITLE, MESSAGE=MESSAGE, COLORS, PIXMAP RETAIN, ; XPOS, YPOS, XSIZE, YSIZE] ; PURPOSE: ; CREATES a new window as with the WINDOW command but also adds the ; indentifing information to the window_array common or provides ; a widget dialog for deleting existing windows. ; ; Description: ; Depending on calling sequence this program either: ; Deletes an existing window via widget list selections ; or Adds window information about an existing window ; Creates a window for scratch ; DELETES: puts up a widget from which the user will select windows to ; be deleted. Values in the widget are obtained from the window_array ; common. If keyword all is present and non-zero then ; ALL active windows will be deleted. ;; ; ; INPUTS: ; index : The window index number of a window to be created or added ; to the window_array common block. Not needed when the ; keyword FREE is used in the case of window creating. ; KEYWORDS: ; ALL : indicates that all window will be summarily deleted ; ADD : indicates that the window already exists and is just being ; added to the common WINDOW_ARRAY. ; TITLE : When adding an already created window TITLE is any string ; When creating a window TITLE is what appears in the banner ; it was input to the window's banner ; COLORS, FREE, PIXMAP RETAIN, XPOS, YPOS, XSIZE, YSIZE: ; are the same a if WINDOW was being used ; GROUP : The widget id of a calling widget, so that when the calling ; widget is kill the deletion widget will be killed too. ; OUTPUT: ; MESSAGE : a string is return with possible status information ; ; ; COMMON WINDOW_ARRAY, WINDOWS_INDEX contains the index number ; WINDOWS_TITLE contains the title ; History: ; Extracted by Richard Schwartz from an Elaine Einfalt procedure, ~1993 ; ;- pro winup, number, all=all, add=add, title=title, colors=colors, free=free, $ pixmap= pixmap, retain=retain, xpos=xpos, ypos=ypos, xsize=xsize, $ ysize=ysize, message=message, group_leader=group @winup_common if n_elements(all) ne 0 then if all ne 0 then begin ; delete all windows device,window=w ; get all active windows exists=where(w eq 1, count) ; existing windows' indexes for i = 0, count-1 do wdelete, exists(i) return end if xregistered('winup') then return ; only one active at a time ; if there are no windows in the common window_array, yet if n_elements(windows_index) eq 0 then windows_index=-1 case 1 of (n_elements(number) eq 0) and (n_elements(free) eq 0) : begin ; there is niether an index number nor a request for an index number ; ; DELETING: ; ; Create a widget populated with all active windows ; for the purpose of deletion. ; The windows stored in common window_array will have ; a helpful description if (!d.flags and 65536) eq 0 then begin message = 'Requires widget capability' return ; can't do without widgets endif list=get_my_windows() ; Now that LIST holds all the active windows, create a widget ; so that the user may delete base = widget_base(title='Delete IDL windows', /column, xpad=20, $ ypad=20, space=20) lab = widget_label(base, value='Click on windows to be deleted') dall= widget_button(base, value='DELETE ALL WINDOWS', $ uvalue='DELALL') dlist = widget_list(base, ysize=10, value=list, uvalue=list) ; contrl = widget_base(base, space=20, /row) del = widget_button(base, value='DELETE SELECTED WINDOW', $ uvalue='DELETE') qut = widget_button(base, value='QUIT' , uvalue='QUIT') widget_control, base, /realize ; load everything that needs to be passed to the event handler ; into a structure and stuff it into UVALUE pass = { winup, base:base, $ ; main widget id number:-1, $ ; window index place:-1, $ ; array index dlist:dlist} ; list widg id widget_control, base, set_uvalue = pass xmanager, 'winup', base, event_handler='winup_ev', $ group_leader=group, /modal message = 'Completed window deletion' end (n_elements(add) ne 0) and (n_elements(number) ne 0): begin ; add keyword mean adding an existing window but there must be ; a suppied index number ; ; ADDING: ; ; An existing window is just being added to the list, ; it will be easier to deleted later if user suppies a title ; if number lt 0 then begin message = 'Window index must be greater than or equal to zero' return endif remove_my_saved, index=number ; Remove current window ; information if it already ; exists. New values will be ; suppied below if n_elements(title) eq 0 then title='' ; no supplied title if windows_index(0) ne -1 then begin windows_index = [windows_index, number] ; add index to common windows_title = [windows_title, title] ; add title to common endif else begin windows_index = number ; first index in common windows_title = title ; first title in common endelse message = 'Added index ' + strtrim(number,2) + '/' + title end ((n_elements(number) ne 0 or n_elements(free) ne 0)) $ and (n_elements(add) eq 0): begin ; there is either an index number or a a request or an index number ; but not an ADD keyword (which means /ADD fail the previous case) ; ; CREATING: ; ; Create a window as if with WINDOW but add it to the ; WINDOW_ARRAY common for possible deletion later ; ADD and MESSAGE are keyword used for the program ; com_str = '' ; must have one of these two to be at this part of code if n_elements(number) ne 0 then $ ; index entered if number ge 0 then $ ; has a valid number com_str= com_str + ',' + string(number) $ else free=1 ; invalid index # if n_elements(free) ne 0 then $ ; takes presendence if free ne 0 then com_str= com_str + ',free=' + string(free) ; possible window keywords if n_elements(colors) ne 0 then $ com_str= com_str + ',colors=' + string(colors) if n_elements(pixmap) ne 0 then $ com_str= com_str + ',pixmap=' + string(pixmap) if n_elements(retain) ne 0 then $ com_str= com_str + ',retain=' + string(retain) if n_elements(xpos) ne 0 then $ com_str= com_str + ',xpos=' + string(xpos) if n_elements(ypos) ne 0 then $ com_str= com_str + ',ypos=' + string(ypos) if n_elements(xsize) ne 0 then $ com_str= com_str + ',xsize=' + string(xsize) if n_elements(ysize) ne 0 then $ com_str= com_str + ',ysize=' + string(ysize) if n_elements(title) ne 0 then $ com_str= com_str + ',title="' + title + '"' stat=execute('window' + com_str) if n_elements(title) eq 0 then title='IDL ' + strtrim(!d.window,2) if n_elements(free) ne 0 then if free ne 0 then number=!d.window remove_my_saved, index=number ; Remove current window ; information if it already ; exists. New values will be ; suppied below if windows_index(0) ne -1 then begin windows_index = [windows_index, number] ; add index to common windows_title = [windows_title, title] ; add title to common endif else begin windows_index = number ; first index in common windows_title = title ; first title in common endelse if stat eq 1 then message = 'Created and added index ' + $ strtrim(!d.window,2) + '/' + title $ else message = 'Error contructing window command - WINUP' end else: message='Incorrect number of parameters or keywords - WINUP' endcase if n_elements(message) eq 0 then message='' return end