commander-s/scheme/process.scm

86 lines
2.2 KiB
Scheme

(define (list-of-processes? thing)
(and (proper-list? thing)
(every process-info? thing)))
(define (make-header-line width)
(cut-to-size
width
(string-append
(fill-up-string 5 "PID")
" "
(fill-up-string 5 "PPID")
" "
(fill-up-string 5 "TIME")
" "
(fill-up-string 40 "COMMAND"))))
(define (layout-process width p)
(cut-to-size
width
(string-append
(fill-up-string 5 (number->string (process-info-pid p)))
" "
(fill-up-string 5 (number->string (process-info-ppid p)))
" "
(fill-up-string 5 (number->string (process-info-time p)))
" "
(fill-up-string 40 (string-append
(process-info-executable p)
" "
(string-join
(process-info-command-line p)))))))
(define (make-process-selection-list num-cols num-lines processes)
(let ((layout (lambda (p) (layout-process num-cols p))))
(make-select-list
(map
(lambda (p)
(make-unmarked-element p #t (layout-process num-cols p)))
processes)
num-lines)))
(define (make-pps-viewer processes buffer)
(let ((processes processes)
(select-list
(make-process-selection-list
(result-buffer-num-cols buffer)
(- (result-buffer-num-lines buffer) 1)
processes))
(header (make-header-line (result-buffer-num-cols buffer))))
(define (get-selection self for-scheme-mode? focus-object-table)
(let ((marked (select-list-get-selection select-list)))
(if (null? marked)
(number->string
(process-info-pid
(select-list-selected-entry select-list)))
(string-append
"'"(exp->string (map process-info-pid marked))))))
(lambda (message)
(case message
((paint)
(lambda (self win buffer have-focus?)
(mvwaddstr win 0 0 header)
(paint-selection-list-at
select-list 0 1 win buffer have-focus?)))
((key-press)
(lambda (self key control-x-pressed?)
(set! select-list
(select-list-handle-key-press select-list key))
self))
((get-selection) get-selection)
((get-focus-object)
(make-get-focus-object-method select-list))
(else
(error "pps-viewer unknown message" message))))))
(register-plugin!
(make-view-plugin make-pps-viewer list-of-processes?))