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