116 lines
3.8 KiB
Scheme
116 lines
3.8 KiB
Scheme
;;;
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;;; Export EDWIN and EDWIN-RESET-WINDOWS to user-global-environment
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;;;
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(set! (access edwin user-global-environment) edwin)
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(set! (access edwin-reset-windows user-global-environment)
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(access edwin-reset-windows edwin-environment))
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;;;
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;;; Export function which can remove edwin and reclaim all space
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;;;
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(set! (access remove-edwin user-global-environment)
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(lambda ()
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;;;
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;;; Remove autoload info from proplist)
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;;;
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(remove-autoload-info "EDWIN0.FSL")
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(remove-autoload-info "edwin1.fsl")
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(remove-autoload-info "edwin2.fsl")
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(remove-autoload-info "edwin3.fsl")
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(remove-autoload-info "edwin4.fsl")
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(remove-autoload-info "edwin5.fsl")
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(remove-autoload-info "edwin6.fsl")
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(remove-autoload-info "edwin7.fsl")
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(remove-autoload-info "edwin8.fsl")
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(remove-autoload-info "edwin9.fsl")
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(remove-autoload-info "edwin10.fsl")
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;;;
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;;; Remove macros so there are no ties to EDWIN-ENVIRONMENT
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;;;
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(remprop 'make-new-state 'PCS*MACRO)
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(remprop '%in-out-flag 'PCS*MACRO)
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(remprop '%before 'PCS*MACRO)
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(remprop '%after 'PCS*MACRO)
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(remprop '%next 'PCS*MACRO)
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(remprop '%set-next 'PCS*MACRO)
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(remprop 'define-initial-command-key 'PCS*MACRO)
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(remprop 'string-allocate 'PCS*MACRO)
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(remprop 'remap-edwin-key 'PCS*MACRO)
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;;;
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;;; Unbind REMOVE-EDWIN and EDWIN-ENVIRONMENT
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;;;
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(unbind 'edwin-reset-windows user-global-environment)
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(unbind 'edwin-environment user-global-environment)
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(unbind 'remove-edwin user-global-environment)
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;;;
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;;; Set EXIT and EDWIN definitions back to original
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;;;
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(set! (access exit user-global-environment)
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(access system-exit user-global-environment))
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(set! (access edwin user-global-environment)
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(access initiate-edwin user-global-environment))
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))
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(set! (access system-exit user-global-environment)
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(access exit user-global-environment))
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(define %edwin-buffer%
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(lambda ()
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(vector-ref (vector-ref edwin-editor 1) 7)))
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(define edwin-buffer-modified?
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(lambda (buf)
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(vector-ref buf 5)))
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(define exit
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(lambda ()
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(cond ((or (unbound? edwin-editor)
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(unassigned? edwin-editor))
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(system-exit))
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(else
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(%save-buffer-changes (%edwin-buffer%))
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(if (edwin-buffer-modified? (%edwin-buffer%))
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(if (prompt-for-confirmation? "Exit anyway (Y or N)?")
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(system-exit))
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(system-exit))
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(gc)))))
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(set! (access exit user-global-environment) exit)
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(macro remap-edwin-key
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(lambda (e)
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`(set-edwin-key ,(cadr e) (comtab-entry ,(caddr e)))))
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(define set-edwin-key
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(letrec
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((%prefix
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(lambda (alists char)
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(%set-comtab-entry! alists char %command)))
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(%command '()))
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(lambda (char command)
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(cond ((char? char)
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(%set-comtab-key comtab (char-upcase char) command)
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(if (char-alphabetic? char)
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(%set-comtab-key comtab (char-downcase char) command)))
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((and (pair? char) (null? (cdr char)))
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(%set-comtab-key comtab (char-upcase (car char)) command)
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(if (char-alphabetic? (car char))
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(%set-comtab-key comtab (char-downcase (car char)) command)))
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((pair? char)
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(set! %command command)
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(comtab-lookup-prefix char %prefix))
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((char-set? char)
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(mapc (lambda (char) (set-comtab-entry! char command))
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(char-set-members char)))
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(else (error "Unknown character" char)))
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char)))
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(let* ((last-char (string-ref pcs-sysdir (-1+ (string-length pcs-sysdir))))
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(edwin-init (%system-file-name "EDWIN.INI")))
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(if (file-exists? edwin-init)
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(load edwin-init)))
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