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dcommon.scm at [b052a1ff92]
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File dcommon.scm artifact a40d1c9411 part of check-in b052a1ff92


;;======================================================================
;; Copyright 2006-2013, Matthew Welland.
;; 
;;  This program is made available under the GNU GPL version 2.0 or
;;  greater. See the accompanying file COPYING for details.
;; 
;;  This program is distributed WITHOUT ANY WARRANTY; without even the
;;  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
;;  PURPOSE.
;;======================================================================

(use format)
(require-library iup)
(import (prefix iup iup:))
(use canvas-draw)
(use regex)

(declare (unit dcommon))

(declare (uses megatest-version))
(declare (uses gutils))
(declare (uses db))
(declare (uses synchash))

(include "common_records.scm")
(include "db_records.scm")
(include "key_records.scm")

;; yes, this is non-ideal 
(define dashboard:update-summary-tab #f)
(define dashboard:update-servers-table #f)

;;======================================================================
;; C O M M O N   D A T A   S T R U C T U R E
;;======================================================================
;; 
;; A single data structure for all the data used in a dashboard.
;; Share this structure between newdashboard and dashboard with the 
;; intent of converging on a single app.
;;
(define *data* (make-vector 25 #f))
(define (dboard:data-get-runs          vec)    (vector-ref  vec 0))
(define (dboard:data-get-tests         vec)    (vector-ref  vec 1))
(define (dboard:data-get-runs-matrix   vec)    (vector-ref  vec 2))
(define (dboard:data-get-tests-tree    vec)    (vector-ref  vec 3))
(define (dboard:data-get-run-keys      vec)    (vector-ref  vec 4))
(define (dboard:data-get-curr-test-ids vec)    (vector-ref  vec 5))
;; (define (dboard:data-get-test-details  vec)    (vector-ref  vec 6))
(define (dboard:data-get-path-test-ids vec)    (vector-ref  vec 7))
(define (dboard:data-get-updaters      vec)    (vector-ref  vec 8))
(define (dboard:data-get-path-run-ids  vec)    (vector-ref  vec 9))
(define (dboard:data-get-curr-run-id   vec)    (vector-ref  vec 10))
(define (dboard:data-get-runs-tree     vec)    (vector-ref  vec 11))
;; For test-patts convert #f to ""
(define (dboard:data-get-test-patts    vec)    
  (let ((val (vector-ref  vec 12)))(if val val "")))
(define (dboard:data-get-states        vec)    (vector-ref vec 13))
(define (dboard:data-get-statuses      vec)    (vector-ref vec 14))
(define (dboard:data-get-logs-textbox  vec val)(vector-ref vec 15))
(define (dboard:data-get-command       vec)    (vector-ref vec 16))
(define (dboard:data-get-command-tb    vec)    (vector-ref vec 17))
(define (dboard:data-get-target        vec)    (vector-ref vec 18))
(define (dboard:data-get-target-string vec)
  (let ((targ (dboard:data-get-target vec)))
    (if (list? targ)(string-intersperse targ "/") "no-target-specified")))
(define (dboard:data-get-run-name      vec)    (vector-ref vec 19))
(define (dboard:data-get-runs-listbox  vec)    (vector-ref vec 20))

(define (dboard:data-set-runs!          vec val)(vector-set! vec 0 val))
(define (dboard:data-set-tests!         vec val)(vector-set! vec 1 val))
(define (dboard:data-set-runs-matrix!   vec val)(vector-set! vec 2 val))
(define (dboard:data-set-tests-tree!    vec val)(vector-set! vec 3 val))
(define (dboard:data-set-run-keys!      vec val)(vector-set! vec 4 val))
(define (dboard:data-set-curr-test-ids! vec val)(vector-set! vec 5 val))
;; (define (dboard:data-set-test-details!  vec val)(vector-set! vec 6 val))
(define (dboard:data-set-path-test-ids! vec val)(vector-set! vec 7 val))
(define (dboard:data-set-updaters!      vec val)(vector-set! vec 8 val))
(define (dboard:data-set-path-run-ids!  vec val)(vector-set! vec 9 val))
(define (dboard:data-set-curr-run-id!   vec val)(vector-set! vec 10 val))
(define (dboard:data-set-runs-tree!     vec val)(vector-set! vec 11 val))
;; For test-patts convert "" to #f 
(define (dboard:data-set-test-patts!    vec val)
  (vector-set! vec 12 (if (equal? val "") #f val)))
(define (dboard:data-set-states!        vec val)(vector-set! vec 13 val))
(define (dboard:data-set-statuses!      vec val)(vector-set! vec 14 val))
(define (dboard:data-set-logs-textbox!  vec val)(vector-set! vec 15 val))
(define (dboard:data-set-command!       vec val)(vector-set! vec 16 val))
(define (dboard:data-set-command-tb!    vec val)(vector-set! vec 17 val))
(define (dboard:data-set-target!        vec val)(vector-set! vec 18 val))
(define (dboard:data-set-run-name!      vec val)(vector-set! vec 19 val))
(define (dboard:data-set-runs-listbox!  vec val)(vector-set! vec 20 val))

(dboard:data-set-run-keys! *data* (make-hash-table))

;; List of test ids being viewed in various panels
(dboard:data-set-curr-test-ids! *data* (make-hash-table))

;; Look up test-ids by (key1 key2 ... testname [itempath])
(dboard:data-set-path-test-ids! *data* (make-hash-table))

;; Look up run-ids by ??
(dboard:data-set-path-run-ids! *data* (make-hash-table))

;;======================================================================
;; TARGET AND PATTERN MANIPULATIONS
;;======================================================================

;; Convert to and from list of lines (for a text box)
;; "," => "\n"
(define (dboard:test-patt->lines test-patt)
  (string-substitute (regexp ",") "\n" test-patt))

(define (dboard:lines->test-patt lines)
  (string-substitute (regexp "\n") "," lines #t))


;;======================================================================
;; P R O C E S S   R U N S
;;======================================================================

;; MOVE THIS INTO *data*
(define *cachedata* (make-hash-table))
(hash-table-set! *cachedata* "runid-to-col"    (make-hash-table))
(hash-table-set! *cachedata* "testname-to-row" (make-hash-table))

;; TO-DO
;;  1. Make "data" hash-table hierarchial store of all displayed data
;;  2. Update synchash to understand "get-runs", "get-tests" etc.
;;  3. Add extraction of filters to synchash calls
;;
;; Mode is 'full or 'incremental for full refresh or incremental refresh
(define (run-update keys data runname keypatts testpatt states statuses mode window-id)
  (let* (;; count and offset => #f so not used
	 ;; the synchash calls modify the "data" hash
	 (get-runs-sig    (conc (client:get-signature) " get-runs"))
	 (get-tests-sig   (conc (client:get-signature) " get-tests"))
	 (get-details-sig (conc (client:get-signature) " get-test-details"))

	 ;; test-ids to get and display are indexed on window-id in curr-test-ids hash
	 (test-ids        (hash-table-values (dboard:data-get-curr-test-ids *data*)))

 	 (run-changes     (synchash:client-get 'db:get-runs get-runs-sig (length keypatts) data runname #f #f keypatts))
	 (tests-detail-changes (if (not (null? test-ids))
				   (synchash:client-get 'db:get-test-info-by-ids get-details-sig 0  data test-ids)
				   '()))

	 ;; Now can calculate the run-ids
	 (run-hash    (hash-table-ref/default data get-runs-sig #f))
	 (run-ids     (if run-hash (filter number? (hash-table-keys run-hash)) '()))

	 (test-changes (synchash:client-get 'db:get-tests-for-runs-mindata get-tests-sig 0 data run-ids testpatt states statuses #f))
	 (runs-hash    (hash-table-ref/default data get-runs-sig #f))
	 (header       (hash-table-ref/default runs-hash "header" #f))
	 (run-ids      (sort (filter number? (hash-table-keys runs-hash))
			     (lambda (a b)
			       (let* ((record-a (hash-table-ref runs-hash a))
				      (record-b (hash-table-ref runs-hash b))
				      (time-a   (db:get-value-by-header record-a header "event_time"))
				      (time-b   (db:get-value-by-header record-b header "event_time")))
				 (> time-a time-b)))
			     ))
	 (runid-to-col    (hash-table-ref *cachedata* "runid-to-col"))
	 (testname-to-row (hash-table-ref *cachedata* "testname-to-row")) 
	 (colnum       1)
	 (rownum       0)) ;; rownum = 0 is the header
;; (debug:print 0 "test-ids " test-ids ", tests-detail-changes " tests-detail-changes)
    
	 ;; tests related stuff
	 ;; (all-testnames (delete-duplicates (map db:test-get-testname test-changes))))

    ;; Given a run-id and testname/item_path calculate a cell R:C

    ;; NOTE: Also build the test tree browser and look up table
    ;;
    ;; Each run is unique on its keys and runname or run-id, store in hash on colnum
    (for-each (lambda (run-id)
		(let* ((run-record (hash-table-ref/default runs-hash run-id #f))
		       (key-vals   (map (lambda (key)(db:get-value-by-header run-record header key))
					keys))
		       (run-name   (db:get-value-by-header run-record header "runname"))
		       (col-name   (conc (string-intersperse key-vals "\n") "\n" run-name))
		       (run-path   (append key-vals (list run-name))))
		  (hash-table-set! (dboard:data-get-run-keys *data*) run-id run-path)
		  (iup:attribute-set! (dboard:data-get-runs-matrix *data*)
				      (conc rownum ":" colnum) col-name)
		  (hash-table-set! runid-to-col run-id (list colnum run-record))
		  ;; Here we update the tests treebox and tree keys
		  (tree:add-node (dboard:data-get-tests-tree *data*) "Runs" (append key-vals (list run-name))
				 userdata: (conc "run-id: " run-id))
		  (set! colnum (+ colnum 1))))
	      run-ids)

    ;; Scan all tests to be displayed and organise all the test names, respecting what is in the hash table
    ;; Do this analysis in the order of the run-ids, the most recent run wins
    (for-each (lambda (run-id)
		(let* ((run-path       (hash-table-ref (dboard:data-get-run-keys *data*) run-id))
		       (new-test-dat   (car test-changes))
		       (removed-tests  (cadr test-changes))
		       (tests          (sort (map cadr (filter (lambda (testrec)
								 (eq? run-id (db:mintest-get-run_id (cadr testrec))))
							       new-test-dat))
					     (lambda (a b)
					       (let ((time-a (db:mintest-get-event_time a))
						     (time-b (db:mintest-get-event_time b)))
						 (> time-a time-b)))))
		       ;; test-changes is a list of (( id record ) ... )
		       ;; Get list of test names sorted by time, remove tests
		       (test-names (delete-duplicates (map (lambda (t)
							     (let ((i (db:mintest-get-item_path t))
								   (n (db:mintest-get-testname  t)))
							       (if (string=? i "")
								   (conc "   " i)
								   n)))
							   tests)))
		       (colnum     (car (hash-table-ref runid-to-col run-id))))
		  ;; for each test name get the slot if it exists and fill in the cell
		  ;; or take the next slot and fill in the cell, deal with items in the
		  ;; run view panel? The run view panel can have a tree selector for
		  ;; browsing the tests/items

		  ;; SWITCH THIS TO USING CHANGED TESTS ONLY
		  (for-each (lambda (test)
			      (let* ((test-id   (db:mintest-get-id test))
				     (state     (db:mintest-get-state test))
				     (status    (db:mintest-get-status test))
				     (testname  (db:mintest-get-testname test))
				     (itempath  (db:mintest-get-item_path test))
				     (fullname  (conc testname "/" itempath))
				     (dispname  (if (string=? itempath "") testname (conc "   " itempath)))
				     (rownum    (hash-table-ref/default testname-to-row fullname #f))
				     (test-path (append run-path (if (equal? itempath "") 
								     (list testname)
								     (list testname itempath)))))
				(tree:add-node (dboard:data-get-tests-tree *data*) "Runs" 
					       test-path
					       userdata: (conc "test-id: " test-id))
				(hash-table-set! (dboard:data-get-path-test-ids *data*) test-path test-id)
				(if (not rownum)
				    (let ((rownums (hash-table-values testname-to-row)))
				      (set! rownum (if (null? rownums)
						       1
						       (+ 1 (apply max rownums))))
				      (hash-table-set! testname-to-row fullname rownum)
				      ;; create the label
				      (iup:attribute-set! (dboard:data-get-runs-matrix *data*)
							  (conc rownum ":" 0) dispname)
				      ))
				;; set the cell text and color
				;; (debug:print 2 "rownum:colnum=" rownum ":" colnum ", state=" status)
				(iup:attribute-set! (dboard:data-get-runs-matrix *data*)
						    (conc rownum ":" colnum)
						    (if (string=? state "COMPLETED")
							status
							state))
				(iup:attribute-set! (dboard:data-get-runs-matrix *data*)
						    (conc "BGCOLOR" rownum ":" colnum)
						    (car (gutils:get-color-for-state-status state status)))
				))
			    tests)))
	      run-ids)

    (let ((updater (hash-table-ref/default  (dboard:data-get-updaters *data*) window-id #f)))
      (if updater (updater (hash-table-ref/default data get-details-sig #f))))

    (iup:attribute-set! (dboard:data-get-runs-matrix *data*) "REDRAW" "ALL")
    ;; (debug:print 2 "run-changes: " run-changes)
    ;; (debug:print 2 "test-changes: " test-changes)
    (list run-changes test-changes)))

;;======================================================================
;; TESTS DATA
;;======================================================================

;; Produce a list of lists ready for common:sparse-list-generate-index
;;
(define (dcommon:minimize-test-data tests-dat)
  (if (null? tests-dat) 
      '()
      (let loop ((hed (car tests-dat))
		 (tal (cdr tests-dat))
		 (res '()))
	(let* ((test-id    (vector-ref hed 0)) ;; look at the tests-dat spec for locations
	       (test-name  (vector-ref hed 1))
	       (item-path  (vector-ref hed 2))
	       (state      (vector-ref hed 3))
	       (status     (vector-ref hed 4))
	       (newitem    (list test-name item-path (list test-id state status))))
	  (if (null? tal)
	      (reverse (cons newitem res))
	      (loop (car tal)(cdr tal)(cons newitem res)))))))
	  

;;======================================================================
;; D A T A   T A B L E S
;;======================================================================

;; Table of keys
(define (dcommon:keys-matrix rawconfig)
  (let* ((curr-row-num 1)
	 (key-vals     (configf:section-vars rawconfig "fields"))
	 (keys-matrix  (iup:matrix
			#:alignment1 "ALEFT"
			#:expand "YES" ;; "HORIZONTAL" ;; "VERTICAL"
			;; #:scrollbar "YES"
			#:numcol 1
			#:numlin (length key-vals)
			#:numcol-visible 1
			#:numlin-visible (length key-vals)
			#:click-cb (lambda (obj lin col status)
				     (print "obj: " obj " lin: " lin " col: " col " status: " status)))))
    ;; (iup:attribute-set! keys-matrix "0:0" "Run Keys")
    (iup:attribute-set! keys-matrix "WIDTH0" 0)
    (iup:attribute-set! keys-matrix "0:1" "Key Name")
    ;; (iup:attribute-set! keys-matrix "WIDTH1" "100")
    ;; fill in keys
    (for-each 
     (lambda (var)
       ;; (iup:attribute-set! keys-matrix "ADDLIN" (conc curr-row-num))
       (iup:attribute-set! keys-matrix (conc curr-row-num ":0") curr-row-num)
       (iup:attribute-set! keys-matrix (conc curr-row-num ":1") var)
       (set! curr-row-num (+ 1 curr-row-num))) ;; (config-lookup *configdat* "fields" var)))
     key-vals)
    (iup:attribute-set! keys-matrix "WIDTHDEF" "40")
    keys-matrix))

;; Section to table
(define (dcommon:section-matrix rawconfig sectionname varcolname valcolname #!key (title #f))
  (let* ((curr-row-num    1)
	 (key-vals        (configf:section-vars rawconfig sectionname))
	 (section-matrix  (iup:matrix
			   #:alignment1 "ALEFT"
			   #:expand "YES" ;; "HORIZONTAL"
			   #:numcol 1
			   #:numlin (length key-vals)
			   #:numcol-visible 1
			   #:numlin-visible (length key-vals)
			   #:scrollbar "YES")))
    (iup:attribute-set! section-matrix "0:0" varcolname)
    (iup:attribute-set! section-matrix "0:1" valcolname)
    (iup:attribute-set! section-matrix "WIDTH1" "200")
    ;; fill in keys
    (for-each 
     (lambda (var)
       ;; (iup:attribute-set! keys-matrix "ADDLIN" (conc curr-row-num))
       (iup:attribute-set! section-matrix (conc curr-row-num ":0") var)
       (iup:attribute-set! section-matrix (conc curr-row-num ":1") (configf:lookup rawconfig sectionname var))
       (set! curr-row-num (+ 1 curr-row-num))) ;; (config-lookup *configdat* "fields" var)))
     key-vals)
    (iup:vbox
     (iup:label (if title title (conc "Settings from [" sectionname "]"))  
         	;; #:size   "5x"
         	#:expand "HORIZONTAL"
         	)
     section-matrix)))
    
;; General data
;;
(define (dcommon:general-info)
  (let ((general-matrix (iup:matrix
			 #:alignment1 "ALEFT"
			 #:expand "YES" ;; "HORIZONTAL"
			 #:numcol 1
			 #:numlin 3
			 #:numcol-visible 1
			 #:numlin-visible 3)))
    (iup:attribute-set! general-matrix "WIDTH1" "200")
    (iup:attribute-set! general-matrix "0:1" "About this Megatest area") 
    ;; User (this is not always obvious - it is common to run as a different user
    (iup:attribute-set! general-matrix "1:0" "User")
    (iup:attribute-set! general-matrix "1:1" (current-user-name))
    ;; Megatest area
    (iup:attribute-set! general-matrix "2:0" "Area")
    (iup:attribute-set! general-matrix "2:1" *toppath*)
    ;; Megatest version
    (iup:attribute-set! general-matrix "3:0" "Version")
    (iup:attribute-set! general-matrix "3:1" megatest-version)

    general-matrix))

(define (dcommon:run-stats)
  (let* ((stats-matrix (iup:matrix expand: "YES"))
	 (changed      #f)
	 (updater      (lambda ()
			 (let* ((run-stats    (mt:get-run-stats))
				(indices      (common:sparse-list-generate-index run-stats)) ;;  proc: set-cell))
				(row-indices  (car indices))
				(col-indices  (cadr indices))
				(max-row      (if (null? row-indices) 1 (apply max (map cadr row-indices))))
				(max-col      (if (null? col-indices) 1 
						  (apply max (map cadr col-indices))))
				(max-visible  (max (- *num-tests* 15) 3))
				(max-col-vis  (if (> max-col 10) 10 max-col))
				(numrows      1)
				(numcols      1))
			   (iup:attribute-set! stats-matrix "CLEARVALUE" "CONTENTS")
			   (iup:attribute-set! stats-matrix "NUMCOL" max-col )
			   (iup:attribute-set! stats-matrix "NUMLIN" (if (< max-row max-visible) max-visible max-row)) ;; min of 20
			   (iup:attribute-set! stats-matrix "NUMCOL_VISIBLE" max-col-vis)
			   (iup:attribute-set! stats-matrix "NUMLIN_VISIBLE" (if (> max-row max-visible) max-visible max-row))

			   ;; Row labels
			   (for-each (lambda (ind)
				       (let* ((name (car ind))
					      (num  (cadr ind))
					      (key  (conc num ":0")))
					 (if (not (equal? (iup:attribute stats-matrix key) name))
					     (begin
					       (set! changed #t)
					       (iup:attribute-set! stats-matrix key name)))))
				     row-indices)

			   ;; Col labels
			   (for-each (lambda (ind)
				       (let* ((name (car ind))
					      (num  (cadr ind))
					      (key  (conc "0:" num)))
					 (if (not (equal? (iup:attribute stats-matrix key) name))
					     (begin
					       (set! changed #t)
					       (iup:attribute-set! stats-matrix key name)))))
				     col-indices)

			   ;; Cell contents
			   (for-each (lambda (entry)
				       (let* ((row-name (car entry))
					      (col-name (cadr entry))
					      (value    (caddr entry))
					      (row-num  (cadr (assoc row-name row-indices)))
					      (col-num  (cadr (assoc col-name col-indices)))
					      (key      (conc row-num ":" col-num)))
					 (if (not (equal? (iup:attribute stats-matrix key) value))
					     (begin
					       (set! changed #t)
					       (iup:attribute-set! stats-matrix key value)))))
				     run-stats)
			   (if changed (iup:attribute-set! stats-matrix "REDRAW" "ALL"))))))
    (updater)
    (set! dashboard:update-summary-tab updater)
    (iup:attribute-set! stats-matrix "WIDTHDEF" "40")
    (iup:vbox
     ;; (iup:label "Run statistics"  #:expand "HORIZONTAL")
     stats-matrix)))

(define (dcommon:servers-table)
  (let* ((colnum         0)
	 (rownum         0)
	 (servers-matrix (iup:matrix #:expand "YES"
				     #:numcol 7
				     #:numcol-visible 7
				     #:numlin-visible 3
				     ))
	 (colnames       (list "Id" "MTver" "Pid" "Host" "Interface:OutPort" "InPort" "State" "Transport"))
	 (updater        (lambda ()
			   (let ((servers (open-run-close tasks:get-all-servers tasks:open-db)))
			     (iup:attribute-set! servers-matrix "NUMLIN" (length servers))
			     ;; (set! colnum 0)
			     ;; (for-each (lambda (colname)
			     ;;    	 ;; (print "colnum: " colnum " colname: " colname)
			     ;;    	 (iup:attribute-set! servers-matrix (conc "0:" colnum) colname)
			     ;;    	 (set! colnum (+ 1 colnum)))
			     ;;           colnames)
			     (set! rownum 1)
			     (for-each 
			      (lambda (server)
				(set! colnum 0)
				(let* ((vals (list (vector-ref server 0) ;; Id
						   (vector-ref server 9) ;; MT-Ver
						   (vector-ref server 1) ;; Pid
						   (vector-ref server 2) ;; Hostname
						   (conc (vector-ref server 3) ":" (vector-ref server 4)) ;; IP:Port
						   (vector-ref server 5) ;; Pubport
						   ;; (vector-ref server 10) ;; Last beat
						   ;; (vector-ref server 6) ;; Start time
						   ;; (vector-ref server 7) ;; Priority
						   ;; (vector-ref server 8) ;; State
						   (if (< (vector-ref server 10) 20) ;; Status (Please redo this properly!)
						       "alive"
						       "dead")
						   (vector-ref server 11)  ;; Transport
						   )))
				  (for-each (lambda (val)
					      ;; (print "rownum: " rownum " colnum: " colnum " val: " val)
					      (iup:attribute-set! servers-matrix (conc rownum ":" colnum) val)
					      (iup:attribute-set! servers-matrix "FITTOTEXT" (conc "C" colnum))
					      (set! colnum (+ 1 colnum)))
					    vals)
				  (set! rownum (+ rownum 1)))
				 (iup:attribute-set! servers-matrix "REDRAW" "ALL"))
			      servers)))))
    (set! colnum 0)
    (for-each (lambda (colname)
		(iup:attribute-set! servers-matrix (conc "0:" colnum) colname)
		(iup:attribute-set! servers-matrix "FITTOTEXT" (conc "C" colnum))
		(set! colnum (+ colnum 1)))
	      colnames)
    (set! dashboard:update-servers-table updater) 
    ;; (iup:attribute-set! servers-matrix "WIDTHDEF" "40")
    (iup:hbox
     (iup:vbox
      (iup:button "Start"
		  ;; #:size "50x"
		  #:expand "YES"
		  #:action (lambda (obj)
			     (let ((cmd (conc ;; "xterm -geometry 180x20 -e \""
					      "megatest -server - &")))
					      ;; ";echo Press any key to continue;bash -c 'read -n 1 -s'\" &")))
			       (system cmd))))
      (iup:button "Stop"
		  #:expand "YES"
		  ;; #:size "50x"
		  #:action (lambda (obj)
			     (let ((cmd (conc ;; "xterm -geometry 180x20 -e \""
					      "megatest -stop-server 0 &")))
					      ;; ";echo Press any key to continue;bash -c 'read -n 1 -s'\" &")))
			       (system cmd))))
      (iup:button "Restart"
		  #:expand "YES"
		  ;; #:size "50x"
		  #:action (lambda (obj)
			     (let ((cmd (conc ;; "xterm -geometry 180x20 -e \""
					      "megatest -stop-server 0;megatest -server - &")))
					      ;; ";echo Press any key to continue;bash -c 'read -n 1 -s'\" &")))
			       (system cmd)))))
      servers-matrix
     )))
  
;; The main menu
(define (dcommon:main-menu)
  (iup:menu ;; a menu is a special attribute to a dialog (think Gnome putting the menu at screen top)
   (iup:menu-item "Files" (iup:menu   ;; Note that you can use either #:action or action: for options
		       (iup:menu-item "Open"  action: (lambda (obj)
							(iup:show (iup:file-dialog))
							(print "File->open " obj)))
		       (iup:menu-item "Save"  #:action (lambda (obj)(print "File->save " obj)))
		       (iup:menu-item "Exit"  #:action (lambda (obj)(exit)))))
   (iup:menu-item "Tools" (iup:menu
		       (iup:menu-item "Create new blah" #:action (lambda (obj)(print "Tools->new blah")))
		       ;; (iup:menu-item "Show dialog"     #:action (lambda (obj)
		       ;;  					   (show message-window
		       ;;  					     #:modal? #t
		       ;;  					     ;; set positon using coordinates or center, start, top, left, end, bottom, right, parent-center, current
		       ;;  					     ;; #:x 'mouse
		       ;;  					     ;; #:y 'mouse
		       ;;  )					     
		       ))))

;;======================================================================
;; CANVAS STUFF FOR TESTS
;;======================================================================

(define (dcommon:draw-test cnv x y w h name selected)
  (let* ((llx x)
	 (lly y)
	 (urx (+ x w))
	 (ury (+ y h)))
    (canvas-text! cnv (+ llx 5)(+ lly 5) name) ;; (conc testname " (" xtorig "," ytorig ")"))
    (canvas-rectangle! cnv llx urx lly ury)
    (if selected (canvas-box! cnv llx (+ llx 5) lly (+ lly 5)))))

(define (dcommon:initial-draw-tests cnv xadj yadj sizex sizey sizexmm sizeymm originx originy tests-draw-state sorted-testnames)
      (let* ((scalef (hash-table-ref/default tests-draw-state 'scalef 8))
	     (test-browse-xoffset (hash-table-ref tests-draw-state 'test-browse-xoffset))
	     (test-browse-yoffset (hash-table-ref tests-draw-state 'test-browse-yoffset))
	     (xtorig (+ test-browse-xoffset (* (/ sizex 2) scalef (- 0.5 xadj)))) ;;  (- xadj 1))))
	     (ytorig (+ test-browse-yoffset (* (/ sizey 2) scalef (- yadj 0.5))))
	     (boxw   90) ;; default, overriden by length estimate below
	     (boxh   25)
	     (gapx   20)
	     (gapy   30)
	     (tests-hash     (hash-table-ref tests-draw-state 'tests-info))
	     (selected-tests (hash-table-ref tests-draw-state 'selected-tests )))
	(hash-table-set! tests-draw-state 'xtorig xtorig)
	(hash-table-set! tests-draw-state 'ytorig ytorig)
	(let ((longest-str   (car (sort sorted-testnames (lambda (a b)(>= (string-length a)(string-length b)))))))
	  (let-values (((x-max y-max) (canvas-text-size cnv longest-str)))
             (if (> x-max boxw)(set! boxw (+ 10 x-max)))))
	;; (print "sizex: " sizex " sizey: " sizey " font: " (canvas-font cnv) " originx: " originx " originy: " originy " xtorig: " xtorig " ytorig: " ytorig " xadj: " xadj " yadj: " yadj)
	(let loop ((hed (car (reverse sorted-testnames)))
		   (tal (cdr (reverse sorted-testnames)))
		   (llx xtorig)
		   (lly ytorig)
		   (urx (+ xtorig boxw))
		   (ury (+ ytorig boxh)))
	  ; (print "hed " hed " llx " llx " lly " lly " urx " urx " ury " ury)
	  (dcommon:draw-test cnv llx lly boxw boxh hed (hash-table-ref/default selected-tests hed #f))
	  ;; data used by mouse click calc. keep the wacky order for now.
	  (hash-table-set! tests-hash hed  (list llx urx (- sizey ury)(- sizey lly) lly boxw boxh)) 
	  ;; (list llx lly boxw boxh)) ;; NB// Swap ury and lly
	  (if (not (null? tal))
	      ;; leave a column of space to the right to list items
	      (let ((have-room 
		     (if #t ;; put "auto" here where some form of auto rearanging can be done
			 (> (* 3 (+ boxw gapx)) (- urx xtorig))
			 (< urx (- sizex boxw gapx boxw)))))  ;; is there room for another column?
		(loop (car tal)
		      (cdr tal)
		      (if have-room (+ llx boxw gapx) xtorig) ;; have room, 
		      (if have-room lly (+ lly boxh gapy))
		      (if have-room (+ urx boxw gapx) (+ xtorig boxw))
		      (if have-room ury (+ ury boxh gapy))))))))

(define (dcommon:redraw-tests cnv xadj yadj sizex sizey sizexmm sizeymm originx originy tests-draw-state sorted-testnames)
  (let* ((scalef (hash-table-ref/default tests-draw-state 'scalef 8))
	 (test-browse-xoffset (hash-table-ref tests-draw-state 'test-browse-xoffset))
	 (test-browse-yoffset (hash-table-ref tests-draw-state 'test-browse-yoffset))
	 (xtorig (+ test-browse-xoffset (* (/ sizex 2) scalef (- 0.5 xadj)))) ;;  (- xadj 1))))
	 (ytorig (+ test-browse-yoffset (* (/ sizey 2) scalef (- yadj 0.5))))
	 (xdelta (- (hash-table-ref tests-draw-state 'xtorig) xtorig))
	 (ydelta (- (hash-table-ref tests-draw-state 'ytorig) ytorig))
	 (tests-hash     (hash-table-ref tests-draw-state 'tests-info))
	 (selected-tests (hash-table-ref tests-draw-state 'selected-tests )))
    (hash-table-set! tests-draw-state 'xtorig xtorig)
    (hash-table-set! tests-draw-state 'ytorig ytorig)
    (let loop ((hed (car (reverse sorted-testnames)))
	       (tal (cdr (reverse sorted-testnames))))
      (let* ((tvals (hash-table-ref tests-hash hed))
	     (llx   (+ xdelta (list-ref tvals 0)))
	     (lly   (+ ydelta (list-ref tvals 4)))
	     (boxw  (list-ref tvals 5))
	     (boxh  (list-ref tvals 6))
	     (urx   (+ llx boxw))
	     (ury   (+ lly boxh)))
	(dcommon:draw-test cnv llx lly boxw boxh hed (hash-table-ref/default selected-tests hed #f))
	(hash-table-set! tests-hash hed (list llx urx (- sizey ury)(- sizey lly) lly boxw boxh))
	(if (not (null? tal))
	    ;; leave a column of space to the right to list items
	    (loop (car tal)
		  (cdr tal)))))))