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Overview
| Comment: | Canvas pointer marshalling for callbacks |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | fb90ae1afa4d3b0c41b84cc6f75c5ced |
| User & Date: | murphy 2015-10-15 05:58:29 |
Context
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2016-01-01
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| 15:27 | Image loading from blobs / strings for CHICKEN check-in: f9c7269e5a user: murphy tags: trunk | |
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2015-10-15
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| 05:58 | Canvas pointer marshalling for callbacks check-in: fb90ae1afa user: murphy tags: trunk | |
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2015-08-07
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| 16:01 | Flush the main loop after widget destruction before clearing the registry check-in: d42d57606e user: murphy tags: trunk | |
Changes
Changes to chicken/iup-base.scm.
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(dynamic-wind void (lambda () (let* ([data (registry-ref (pointer->address cid))] [proc (cdr data)]) (set! sig (car data)) (case (string-ref sig 0) [(#\b) (frame-start/ubyte! frame)] [(#\i) (frame-start/int! frame)] [(#\f) (frame-start/float! frame)] [(#\d) (frame-start/double! frame)] [(#\v #\h) (frame-start/pointer! frame)]) (let ([args (list-ec (:string chr "h" (string-drop sig 1)) (case chr [(#\b) (frame-arg/ubyte! frame)] [(#\i) (frame-arg/int! frame)] [(#\f) (frame-arg/float! frame)] [(#\d) (frame-arg/double! frame)] [(#\s) (frame-arg/string! frame)] [(#\v) (frame-arg/pointer! frame)] [(#\h) (frame-arg/handle! frame)]))]) (handle-exceptions exn (print-error-message exn (current-error-port) "Error: in callback") (let ([ret (apply proc args)]) (case (string-ref sig 0) [(#\b) (frame-return/ubyte! frame ret)] [(#\i) (frame-return/status! frame ret)] [(#\f) (frame-return/float! frame ret)] [(#\d) (frame-return/double! frame ret)] [(#\v) (frame-return/pointer! frame ret)] [(#\h) (frame-return/handle! frame ret)]) (set! ret? #t)))))) (lambda () (unless ret? (case (string-ref sig 0) [(#\b) (frame-return/ubyte! frame 0)] [(#\i) (frame-return/status! frame 'continue)] [(#\f) (frame-return/float! frame 0.0)] [(#\d) (frame-return/double! frame 0.0)] [(#\v #\h) (frame-return/pointer! frame #f)])) (return (void)))))))) (define-values (callback-set! callback) (letrec ([signature/raw (foreign-lambda* c-string ([nonnull-ihandle handle] [iname/upcase name]) "C_return(iupClassCallbackGetFormat(handle->iclass, name));")] [set/pointer! (foreign-lambda c-pointer "IupSetCallback" nonnull-ihandle iname/upcase c-pointer)] [get/pointer (foreign-lambda c-pointer "IupGetCallback" nonnull-ihandle iname/upcase)] [sigils (irregex "([bifdsvh]*)(?:=([bifdvh]))?")] [callback-set! (lambda (handle name proc) (let* ([sig (cond [(irregex-match sigils (or (signature/raw handle name) "")) => (lambda (groups) (string-append |
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(dynamic-wind void (lambda () (let* ([data (registry-ref (pointer->address cid))] [proc (cdr data)]) (set! sig (car data)) (case (string-ref sig 0) [(#\b) (frame-start/ubyte! frame)] [(#\i) (frame-start/int! frame)] [(#\f) (frame-start/float! frame)] [(#\d) (frame-start/double! frame)] [(#\v #\C #\h) (frame-start/pointer! frame)]) (let ([args (list-ec (:string chr "h" (string-drop sig 1)) (case chr [(#\b) (frame-arg/ubyte! frame)] [(#\i) (frame-arg/int! frame)] [(#\f) (frame-arg/float! frame)] [(#\d) (frame-arg/double! frame)] [(#\s) (frame-arg/string! frame)] [(#\v #\C) (frame-arg/pointer! frame)] [(#\h) (frame-arg/handle! frame)]))]) (handle-exceptions exn (print-error-message exn (current-error-port) "Error: in callback") (let ([ret (apply proc args)]) (case (string-ref sig 0) [(#\b) (frame-return/ubyte! frame ret)] [(#\i) (frame-return/status! frame ret)] [(#\f) (frame-return/float! frame ret)] [(#\d) (frame-return/double! frame ret)] [(#\v #\C) (frame-return/pointer! frame ret)] [(#\h) (frame-return/handle! frame ret)]) (set! ret? #t)))))) (lambda () (unless ret? (case (string-ref sig 0) [(#\b) (frame-return/ubyte! frame 0)] [(#\i) (frame-return/status! frame 'continue)] [(#\f) (frame-return/float! frame 0.0)] [(#\d) (frame-return/double! frame 0.0)] [(#\v #\C #\h) (frame-return/pointer! frame #f)])) (return (void)))))))) (define-values (callback-set! callback) (letrec ([signature/raw (foreign-lambda* c-string ([nonnull-ihandle handle] [iname/upcase name]) "C_return(iupClassCallbackGetFormat(handle->iclass, name));")] [set/pointer! (foreign-lambda c-pointer "IupSetCallback" nonnull-ihandle iname/upcase c-pointer)] [get/pointer (foreign-lambda c-pointer "IupGetCallback" nonnull-ihandle iname/upcase)] [sigils (irregex "([bifdsvCh]*)(?:=([bifdvCh]))?")] [callback-set! (lambda (handle name proc) (let* ([sig (cond [(irregex-match sigils (or (signature/raw handle name) "")) => (lambda (groups) (string-append |