176 lines
5.2 KiB
Scheme
176 lines
5.2 KiB
Scheme
(define-record-type app-window :app-window
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(really-make-app-window x y width height curses-win)
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app-window?
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(x app-window-x)
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(y app-window-y)
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(width app-window-width)
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(height app-window-height)
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(curses-win app-window-curses-win set-app-window-curses-win!))
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(define (make-app-window x y width height)
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(really-make-app-window x y width height #f))
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(define-record-discloser :app-window
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(lambda (rec)
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`(app-window
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(x ,(app-window-x rec)) (y ,(app-window-y rec))
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(w ,(app-window-width rec)) (h ,(app-window-height rec)))))
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(define *bar-1* #f)
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(define (bar-1) *bar-1*)
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(define *active-command-window* #f)
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(define (active-command-window) *active-command-window*)
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(define *command-frame-window* #f)
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(define (command-frame-window) *command-frame-window*)
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(define *command-window* #f)
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(define (command-window) *command-window*)
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(define *result-window* #f)
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(define (result-window) *result-window*)
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(define *result-frame-window* #f)
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(define (result-frame-window) *result-frame-window*)
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(define *command-buffer* #f)
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; (make-buffer '("pwd" "")
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; 2 2 2 1 1
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; 0 0
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; #t 1))
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(define (command-buffer)
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(if *command-buffer*
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*command-buffer*
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(let ((buf (make-buffer (app-window-curses-win (command-window))
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(lambda ()
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(string-append (cwd) "> "))
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0 0
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(- (app-window-width (command-window)) 0)
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(- (app-window-height (command-window)) 1))))
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(set! *command-buffer* buf)
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buf)))
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(define *result-buffer*
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(make-result-buffer 0 0 0 0
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#f #f ; set in INIT-WINDOWS
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'() '()))
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(define (result-buffer) *result-buffer*)
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(define *focus-buffer* 'command-buffer)
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(define (focus-on-command-buffer?)
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(eq? *focus-buffer* 'command-buffer))
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(define (focus-command-buffer!)
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(set! *focus-buffer* 'command-buffer))
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(define (focus-on-result-buffer?)
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(eq? *focus-buffer* 'result-buffer))
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(define (focus-result-buffer!)
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(set! *focus-buffer* 'result-buffer))
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(define *untouched-tty* #f)
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(define (save-initial-tty-info! port)
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(set! *untouched-tty* (copy-tty-info (tty-info port))))
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(define (restore-initial-tty-info! port)
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(set-tty-info/now port *untouched-tty*))
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(define (make-inlying-app-window outer-window)
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(make-app-window (+ (app-window-x outer-window) 1)
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(+ (app-window-y outer-window) 1)
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(- (app-window-width outer-window) 2)
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(- (app-window-height outer-window) 2)))
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(define (app-window-init-curses-win! window)
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(set-app-window-curses-win!
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window
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(newwin (app-window-height window) (app-window-width window)
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(app-window-y window) (app-window-x window))))
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(define (delete-app-window! window)
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(delwin (app-window-curses-win window)))
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(define (init-windows!)
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(spawn-result-buffer-surveillant)
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(set! *bar-1*
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(make-app-window 1 1
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(- (COLS) 2) 2))
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(debug-message '*bar-1* *bar-1*)
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(set! *active-command-window*
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(make-app-window 1 (+ (round (/ (LINES) 3)) 2)
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(- (COLS) 2) 3))
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(debug-message '*active-command-window* *active-command-window*)
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(set! *command-frame-window*
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(make-app-window 1 2
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(- (COLS) 2) (- (app-window-y (active-command-window)) 2)))
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(debug-message '*command-frame-window* *command-frame-window*)
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(set! *command-window*
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(make-inlying-app-window (command-frame-window)))
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(debug-message '*command-window* *command-window*)
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(set! *result-frame-window*
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(make-app-window 1 (+ (app-window-y (active-command-window)) 3)
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(- (COLS) 2)
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(- (- (LINES) 6) (app-window-height (command-frame-window)))))
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(debug-message '*result-frame-window* *result-frame-window*)
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(set! *result-window*
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(make-inlying-app-window (result-frame-window)))
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(debug-message '*result-window* *result-window*)
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(let ((all-windows
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(list (bar-1) (active-command-window)
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(command-frame-window) (command-window)
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(result-frame-window) (result-window))))
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(for-each app-window-init-curses-win! all-windows)
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(set-result-buffer-num-lines!
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*result-buffer* (- (app-window-height (result-window)) 2))
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(set-result-buffer-num-cols!
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*result-buffer* (- (app-window-width (result-window)) 1))
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(for-each wclear
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(map app-window-curses-win all-windows))))
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;; result-buffer-object-change-channel
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(define result-buffer-changed-channel
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(make-channel))
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(define result-buffer-changes-subscribers
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(make-channel))
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(define (signal-result-buffer-object-change)
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(let ((ack-channel (make-channel)))
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(debug-message "signal-result-buffer-object-change")
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(send result-buffer-changed-channel ack-channel)
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(receive ack-channel)))
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(define (spawn-result-buffer-surveillant)
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(spawn
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(lambda ()
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(let lp ()
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(select
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(wrap (receive-rv result-buffer-changes-subscribers)
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(lambda (answer-channel)
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(debug-message "result-buffer-surveillant 1")
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(sync (wrap
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(receive-rv result-buffer-changed-channel)
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(lambda (ack-channel)
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(send answer-channel ack-channel))))
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(lp)))
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(wrap (receive-rv result-buffer-changed-channel)
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(lambda (ack-channel)
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(send ack-channel 'no-one-is-interested)
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(debug-message "result-buffer-surveillant 2")
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(lp))))))))
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(define (result-buffer-other-object-has-focus-rv)
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(let ((answer-channel (make-channel)))
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(send result-buffer-changes-subscribers answer-channel)
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(receive-rv answer-channel))) |