full support for Canvas, multiple Worlds
svn: r2712
This commit is contained in:
Matthias Felleisen
parent
f0fe9a4d47
commit
3616a2a0a8
|
|
@ -1,13 +1,14 @@
|
||||||
#cs
|
#cs
|
||||||
(module Canvas-native-methods mzscheme
|
(module Canvas-native-methods mzscheme
|
||||||
(require (lib "draw.ss" "htdp")
|
(require (lib "big-draw.ss" "htdp")
|
||||||
(lib "posn.ss" "lang")
|
(lib "posn.ss" "lang")
|
||||||
(lib "class.ss")
|
(lib "class.ss")
|
||||||
(lib "String.ss" "profj" "libs" "java" "lang")
|
(lib "String.ss" "profj" "libs" "java" "lang")
|
||||||
(lib "Throwable.ss" "profj" "libs" "java" "lang")
|
(lib "Throwable.ss" "profj" "libs" "java" "lang")
|
||||||
(lib "RuntimeException.ss" "profj" "libs" "java" "lang"))
|
(lib "RuntimeException.ss" "profj" "libs" "java" "lang"))
|
||||||
;(require "Posn.ss")
|
|
||||||
|
(define void-or-true (void))
|
||||||
|
|
||||||
;raises a Java exception with the specified error message
|
;raises a Java exception with the specified error message
|
||||||
;raise-error: String -> void
|
;raise-error: String -> void
|
||||||
(define (raise-error message)
|
(define (raise-error message)
|
||||||
|
|
@ -19,17 +20,17 @@
|
||||||
|
|
||||||
(define-syntax (wrap-start-check stx)
|
(define-syntax (wrap-start-check stx)
|
||||||
(syntax-case stx ()
|
(syntax-case stx ()
|
||||||
[(_ body)
|
[(_ body ...)
|
||||||
#'(with-handlers
|
#'(with-handlers
|
||||||
((exn:fail?
|
((exn:fail?
|
||||||
(lambda (e)
|
(lambda (e)
|
||||||
(raise-error
|
(raise-error
|
||||||
(format "The method start(int,int) must be called on the canvas before using any drawing methods")))))
|
(format "The method show() must be called on the canvas before using any drawing methods [~s]" (exn-message e))))))
|
||||||
body)]))
|
(begin (begin body ...) void-or-true))]))
|
||||||
|
|
||||||
(define-syntax (define/provide stx)
|
(define-syntax (define/provide stx)
|
||||||
(syntax-case stx ()
|
(syntax-case stx ()
|
||||||
[(_ id val)
|
#;[(_ id val)
|
||||||
(identifier? #'id)
|
(identifier? #'id)
|
||||||
#'(begin
|
#'(begin
|
||||||
(define id val)
|
(define id val)
|
||||||
|
|
@ -42,17 +43,14 @@
|
||||||
(define Posn-x-get (dynamic-require '(lib "Posn.ss" "htdch" "idraw") 'Posn-x-get))
|
(define Posn-x-get (dynamic-require '(lib "Posn.ss" "htdch" "idraw") 'Posn-x-get))
|
||||||
(define Posn-y-get (dynamic-require '(lib "Posn.ss" "htdch" "idraw") 'Posn-y-get))
|
(define Posn-y-get (dynamic-require '(lib "Posn.ss" "htdch" "idraw") 'Posn-y-get))
|
||||||
|
|
||||||
(define (build-posn posnO)
|
(define (build-posn posnO) (make-posn (Posn-x-get posnO) (Posn-y-get posnO)))
|
||||||
(make-posn (Posn-x-get posnO) (Posn-y-get posnO)))
|
(define (color->symbol colorO) (string->symbol (to-lower-case (send colorO my-name))))
|
||||||
(define (color->symbol colorO)
|
|
||||||
(string->symbol (to-lower-case (send colorO my-name))))
|
|
||||||
|
|
||||||
;Raises an error if value less than or equal to 0
|
;Raises an error if value less than or equal to 0
|
||||||
;check-arg: num string string -> boolean
|
;check-arg: num string string -> boolean
|
||||||
(define (check-arg value method argument)
|
(define (check-arg value method argument)
|
||||||
(or (> value 0)
|
(or (> value 0)
|
||||||
(raise-error (format "Method ~a expects an int greater than 0 for ~a argument, given ~a"
|
(raise-error (format "Method ~a expects an int >= 0 for ~a argument, given ~a" method argument value))))
|
||||||
method argument value))))
|
|
||||||
|
|
||||||
(define (to-lower-case s)
|
(define (to-lower-case s)
|
||||||
(letrec ((lower
|
(letrec ((lower
|
||||||
|
|
@ -63,67 +61,69 @@
|
||||||
(lower (cdr s))))))))
|
(lower (cdr s))))))))
|
||||||
(list->string (lower (string->list s)))))
|
(list->string (lower (string->list s)))))
|
||||||
|
|
||||||
(define/provide (start-int-int-native this accs gets privates x y)
|
(define/provide (show-native this accs gets privates)
|
||||||
(and (check-arg x "start(int,int)" "first")
|
;; Kathy: it looks like I am working around a bug here.
|
||||||
(check-arg x "start(int,int)" "second")
|
;; I really wanted to write ([hash-table-get privates 'width] this)
|
||||||
(start x y)
|
;; but that didn't work at all. 'width is not a key for privates,
|
||||||
(void)))
|
;; even though it is a private field. Then I wanted to write
|
||||||
|
;; ([hash-table-get privates 'width] this), just like in World-native-methods.
|
||||||
|
;; That failed, too, with an arity error.
|
||||||
|
(define x (with-method ([g (this Canvas-width-get)]) (g '___)))
|
||||||
|
(define y (with-method ([g (this Canvas-height-get)]) (g '___)))
|
||||||
|
(start-and-export x y privates)
|
||||||
|
void-or-true)
|
||||||
|
|
||||||
(define/provide (stop-native this accs gets privates) (stop) (void))
|
(define/provide (close-native this accs gets privates)
|
||||||
|
(wrap-start-check ([hash-table-get privates '%stop])))
|
||||||
|
|
||||||
|
(define/provide (stop-native this accs gets privates)
|
||||||
|
(wrap-start-check ([hash-table-get privates '%end-of-time])))
|
||||||
|
|
||||||
|
(define/provide (copy-native this accs gets privates)
|
||||||
|
(wrap-start-check ([hash-table-get privates 'copy])))
|
||||||
|
|
||||||
(define/provide (drawCircle-idraw.Posn-int-idraw.Color-native this accs gets privates posn r c)
|
(define/provide (drawCircle-idraw.Posn-int-idraw.Color-native this accs gets privates posn r c)
|
||||||
(wrap-start-check
|
(wrap-start-check
|
||||||
(and (check-arg r "drawCircle(Posn, int, Color)" "second")
|
(check-arg r "drawCircle(Posn, int, Color)" "second")
|
||||||
(draw-circle (build-posn posn) r (color->symbol c))
|
([hash-table-get privates '%draw-circle] (build-posn posn) r (color->symbol c))))
|
||||||
(void))))
|
|
||||||
|
|
||||||
(define/provide (drawDisk-idraw.Posn-int-idraw.Color-native this accs gets privates posn r c)
|
(define/provide (drawDisk-idraw.Posn-int-idraw.Color-native this accs gets privates posn r c)
|
||||||
(wrap-start-check
|
(wrap-start-check
|
||||||
(and (check-arg r "drawDisk(Posn, int, Color)" "second")
|
(check-arg r "drawDisk(Posn, int, Color)" "second")
|
||||||
(draw-solid-disk (build-posn posn) r (color->symbol c))
|
([hash-table-get privates '%draw-solid-disk] (build-posn posn) r (color->symbol c))))
|
||||||
(void))))
|
|
||||||
|
|
||||||
(define/provide (drawRect-idraw.Posn-int-int-idraw.Color-native this accs gets privates posn w h c)
|
(define/provide (drawRect-idraw.Posn-int-int-idraw.Color-native this accs gets privates posn w h c)
|
||||||
(wrap-start-check
|
(wrap-start-check
|
||||||
(and (check-arg w "drawRect(Posn, int, int, Color)" "second")
|
(check-arg w "drawRect(Posn, int, int, Color)" "second")
|
||||||
(check-arg h "drawRect(Posn, int, int, Color)" "third")
|
(check-arg h "drawRect(Posn, int, int, Color)" "third")
|
||||||
(draw-solid-rect (build-posn posn) w h (color->symbol c))
|
([hash-table-get privates '%draw-solid-rect] (build-posn posn) w h (color->symbol c))))
|
||||||
(void))))
|
|
||||||
|
|
||||||
(define/provide (drawLine-idraw.Posn-idraw.Posn-idraw.Color-native this accs gets privates p0 p1 c)
|
(define/provide (drawLine-idraw.Posn-idraw.Posn-idraw.Color-native this accs gets privates p0 p1 c)
|
||||||
(wrap-start-check
|
(wrap-start-check
|
||||||
(and (draw-solid-line (build-posn p0) (build-posn p1) (color->symbol c))
|
([hash-table-get privates '%draw-solid-line] (build-posn p0) (build-posn p1) (color->symbol c))))
|
||||||
(void))))
|
|
||||||
|
|
||||||
(define/provide (drawString-idraw.Posn-java.lang.String-native this accs gets privates p s)
|
(define/provide (drawString-idraw.Posn-java.lang.String-native this accs gets privates p s)
|
||||||
|
(define s* (send s get-mzscheme-string))
|
||||||
(wrap-start-check
|
(wrap-start-check
|
||||||
(and
|
([hash-table-get privates '%draw-string] (build-posn p) s*)))
|
||||||
(draw-solid-string (build-posn p) (send s get-mzscheme-string))
|
|
||||||
(void))))
|
|
||||||
|
|
||||||
(define/provide (clearCircle-idraw.Posn-int-idraw.Color-native this accs gets privates p r c)
|
(define/provide (clearCircle-idraw.Posn-int-idraw.Color-native this accs gets privates p r c)
|
||||||
(wrap-start-check
|
(wrap-start-check
|
||||||
(and (check-arg r "clearCircle(Posn, int, Color)" "second")
|
(check-arg r "clearCircle(Posn, int, Color)" "second")
|
||||||
(clear-circle (build-posn p) r (color->symbol c))
|
([hash-table-get privates '%clear-circle] (build-posn p) r (color->symbol c))))
|
||||||
(void))))
|
|
||||||
|
|
||||||
(define/provide (clearDisk-idraw.Posn-int-idraw.Color-native this accs gets privates p r c)
|
(define/provide (clearDisk-idraw.Posn-int-idraw.Color-native this accs gets privates p r c)
|
||||||
(wrap-start-check
|
(wrap-start-check
|
||||||
(and (check-arg r "clearDisk(Posn, int, Color)" "second")
|
(check-arg r "clearDisk(Posn, int, Color)" "second")
|
||||||
(clear-solid-disk (build-posn p) r (color->symbol c))
|
([hash-table-get privates '%clear-solid-disk] (build-posn p) r (color->symbol c))))
|
||||||
(void))))
|
|
||||||
|
|
||||||
(define/provide (clearRect-idraw.Posn-int-int-idraw.Color-native this accs gets privates p w h c)
|
(define/provide (clearRect-idraw.Posn-int-int-idraw.Color-native this accs gets privates p w h c)
|
||||||
(wrap-start-check
|
(wrap-start-check
|
||||||
(and (check-arg w "clearRect(Posn, int, int, Color)" "second")
|
(check-arg w "clearRect(Posn, int, int, Color)" "second")
|
||||||
(check-arg h "clearRect(Posn, int, int, Color)" "third")
|
(check-arg h "clearRect(Posn, int, int, Color)" "third")
|
||||||
(clear-solid-rect (build-posn p) w h (color->symbol c))
|
([hash-table-get privates '%clear-solid-rect] (build-posn p) w h (color->symbol c))))
|
||||||
(void))))
|
|
||||||
|
|
||||||
(define/provide (clearLine-idraw.Posn-idraw.Posn-idraw.Color-native this accs gets privates p0 p1 c)
|
(define/provide (clearLine-idraw.Posn-idraw.Posn-idraw.Color-native this accs gets privates p0 p1 c)
|
||||||
(wrap-start-check
|
(wrap-start-check
|
||||||
(and
|
([hash-table-get privates '%clear-solid-line] (build-posn p0) (build-posn p1) (color->symbol c))))
|
||||||
(clear-solid-line (build-posn p0) (build-posn p1) (color->symbol c))
|
)
|
||||||
(void))))
|
|
||||||
)
|
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -1,26 +1,32 @@
|
||||||
package idraw;
|
package idraw;
|
||||||
|
|
||||||
public class Canvas {
|
public class Canvas {
|
||||||
|
private int width = 0;
|
||||||
|
private int height = 0;
|
||||||
|
|
||||||
public native void start(int width, int height);
|
public Canvas(int width, int height) {
|
||||||
|
this.width = width;
|
||||||
public native void stop();
|
this.height = height;
|
||||||
|
}
|
||||||
public native void drawCircle(Posn p, int r, Color c);
|
|
||||||
|
// these two are cheats:
|
||||||
public native void drawDisk(Posn p, int r, Color c);
|
public native void copy();
|
||||||
|
public native void stop();
|
||||||
public native void drawRect(Posn p, int width, int height, Color c);
|
// I need to figure out how to accomplish these two things, especially stop,
|
||||||
|
// directly at the Scheme level w/o going thru the Java layer.
|
||||||
public native void drawLine(Posn p0, Posn p1, Color c);
|
// BUG: this is actually a bug in ProfessorJ. Making these protected should
|
||||||
|
// work just fine. Indeed, leaving off the access control qualifier should
|
||||||
public native void drawString(Posn p, String s);
|
// work, too. (That's package protected.)
|
||||||
|
|
||||||
public native void clearCircle(Posn p, int r, Color c);
|
public native void show();
|
||||||
|
public native void close();
|
||||||
public native void clearDisk(Posn p, int r, Color c);
|
public native void drawCircle(Posn p, int r, Color c);
|
||||||
|
public native void drawDisk(Posn p, int r, Color c);
|
||||||
public native void clearRect(Posn p, int width, int height, Color c);
|
public native void drawRect(Posn p, int width, int height, Color c);
|
||||||
|
public native void drawLine(Posn p0, Posn p1, Color c);
|
||||||
public native void clearLine(Posn p0, Posn p1, Color c);
|
public native void drawString(Posn p, String s);
|
||||||
|
public native void clearCircle(Posn p, int r, Color c);
|
||||||
|
public native void clearDisk(Posn p, int r, Color c);
|
||||||
|
public native void clearRect(Posn p, int width, int height, Color c);
|
||||||
|
public native void clearLine(Posn p0, Posn p1, Color c);
|
||||||
}
|
}
|
||||||
|
|
|
||||||
|
|
@ -1,125 +1,10 @@
|
||||||
#cs
|
#cs
|
||||||
(module World-native-methods mzscheme
|
(module World-native-methods mzscheme
|
||||||
(require (lib "draw.ss" "htdp")
|
(require "support.scm" (lib "unitsig.ss"))
|
||||||
(lib "posn.ss" "lang")
|
|
||||||
(lib "class.ss")
|
|
||||||
(lib "String.ss" "profj" "libs" "java" "lang")
|
|
||||||
(lib "Throwable.ss" "profj" "libs""java""lang")
|
|
||||||
(lib "RuntimeException.ss" "profj" "libs" "java" "lang"))
|
|
||||||
;(require "Posn.ss")
|
|
||||||
|
|
||||||
;raises a Java exception with the specified error message
|
(provide endOfTime-native endOfWorld-native bigBangO-double-native)
|
||||||
;raise-error: String -> void
|
|
||||||
(define (raise-error message)
|
(define void-or-true void)
|
||||||
(raise
|
(define (world-return w) w)
|
||||||
(create-java-exception RuntimeException message
|
|
||||||
(lambda (exn str)
|
|
||||||
(send exn RuntimeException-constructor-java.lang.String str))
|
|
||||||
(current-continuation-marks))))
|
|
||||||
|
|
||||||
(define-syntax (define/provide stx)
|
(define-values/invoke-unit/sig world-native^ world-native@ #f support^))
|
||||||
(syntax-case stx ()
|
|
||||||
[(_ id val)
|
|
||||||
(identifier? #'id)
|
|
||||||
#'(begin
|
|
||||||
(define id val)
|
|
||||||
(provide id))]
|
|
||||||
[(_ (id . formals) . rest)
|
|
||||||
#'(begin
|
|
||||||
(define (id . formals) . rest)
|
|
||||||
(provide id))]))
|
|
||||||
|
|
||||||
(define Posn-x-get (dynamic-require '(lib "Posn.ss" "htdch" "idraw") 'Posn-x-get))
|
|
||||||
(define Posn-y-get (dynamic-require '(lib "Posn.ss" "htdch" "idraw") 'Posn-y-get))
|
|
||||||
|
|
||||||
(define (build-posn posnO)
|
|
||||||
(make-posn (Posn-x-get posnO) (Posn-y-get posnO)))
|
|
||||||
(define (color->symbol colorO)
|
|
||||||
(string->symbol (to-lower-case (send colorO my-name))))
|
|
||||||
|
|
||||||
(define (to-lower-case s)
|
|
||||||
(letrec ((lower
|
|
||||||
(lambda (s)
|
|
||||||
(cond
|
|
||||||
((null? s) s)
|
|
||||||
(else (cons (char-downcase (car s))
|
|
||||||
(lower (cdr s))))))))
|
|
||||||
(list->string (lower (string->list s)))))
|
|
||||||
|
|
||||||
#|
|
|
||||||
(define/provide (start-int-int-native this accs gets privates x y)
|
|
||||||
(start x y))
|
|
||||||
|
|
||||||
(define/provide (stop-native this accs gets privates) (stop))
|
|
||||||
|
|
||||||
(define/provide (drawCircle-draw.Posn-int-draw.Color-native this accs gets privates posn r c)
|
|
||||||
(draw-circle (build-posn posn) r (color->symbol c)))
|
|
||||||
|
|
||||||
(define/provide (drawDisk-draw.Posn-int-draw.Color-native this accs gets privates posn r c)
|
|
||||||
(draw-solid-disk (build-posn posn) r (color->symbol c)))
|
|
||||||
|
|
||||||
(define/provide (drawRect-draw.Posn-int-int-draw.Color-native this accs gets privates posn w h c)
|
|
||||||
(draw-solid-rect (build-posn posn) w h (color->symbol c)))
|
|
||||||
|
|
||||||
(define/provide (drawLine-draw.Posn-draw.Posn-draw.Color-native this accs gets privates p0 p1 c)
|
|
||||||
(draw-solid-line (build-posn p0) (build-posn p1) (color->symbol c)))
|
|
||||||
|
|
||||||
(define/provide (drawString-draw.Posn-java.lang.String-native this accs gets privates p s)
|
|
||||||
(draw-solid-string (build-posn p) (send s get-mzscheme-string)))
|
|
||||||
|
|
||||||
(define/provide (clearCircle-draw.Posn-int-draw.Color-native this accs gets privates p r c)
|
|
||||||
(clear-circle (build-posn p) r (color->symbol c)))
|
|
||||||
|
|
||||||
(define/provide (clearDisk-draw.Posn-int-draw.Color-native this accs gets privates p r c)
|
|
||||||
(clear-solid-disk (build-posn p) r (color->symbol c)))
|
|
||||||
|
|
||||||
(define/provide (clearRect-draw.Posn-int-int-draw.Color-native this accs gets privates p w h c)
|
|
||||||
(clear-solid-rect (build-posn p) w h (color->symbol c)))
|
|
||||||
|
|
||||||
(define/provide (clearLine-draw.Posn-draw.Posn-draw.Color-native this accs gets privates p0 p1 c)
|
|
||||||
(clear-solid-line (build-posn p0) (build-posn p1) (color->symbol c)))
|
|
||||||
|
|
||||||
(define/provide (sleepForAWhile-int-native this accs gets privates s)
|
|
||||||
(sleep-for-a-while s))
|
|
||||||
|#
|
|
||||||
|
|
||||||
(define/provide (bigBang-int-int-double-native this accs gets privates width height i)
|
|
||||||
(define theCanvas ((hash-table-get accs 'theCanvas) this))
|
|
||||||
(unless (> width 0)
|
|
||||||
(raise-error
|
|
||||||
(format "The method bigBang(int,int,double) expected first argument to be greather than 0, given ~a" width)))
|
|
||||||
(unless (> height 0)
|
|
||||||
(raise-error
|
|
||||||
(format "The method bigBang(int,int,double) expected second argument to be greater than 0, given ~a" height)))
|
|
||||||
|
|
||||||
(unless (>= i 0)
|
|
||||||
(raise-error
|
|
||||||
(format "The method bigBang(int,int,double) expected third argument to be 0 or greater, given ~a" i)))
|
|
||||||
(send theCanvas start-int-int width height)
|
|
||||||
(big-bang i this)
|
|
||||||
(on-tick-event
|
|
||||||
(lambda (world)
|
|
||||||
(send world erase)
|
|
||||||
(send world onTick)
|
|
||||||
(send world draw)
|
|
||||||
world))
|
|
||||||
(on-key-event
|
|
||||||
(lambda (ke world)
|
|
||||||
(send world erase)
|
|
||||||
(send world onKeyEvent-java.lang.String (make-java-string (keyevent->string ke)))
|
|
||||||
(send world draw)
|
|
||||||
world))
|
|
||||||
(void))
|
|
||||||
|
|
||||||
;; (union Char Symbol) -> String
|
|
||||||
(define (keyevent->string ke)
|
|
||||||
(if (char? ke) (string ke) (symbol->string ke)))
|
|
||||||
|
|
||||||
(define/provide (endOfTime-native this accs gets privates)
|
|
||||||
(end-of-time)
|
|
||||||
this)
|
|
||||||
|
|
||||||
(define/provide (endOfWorld-native this accs gets privates)
|
|
||||||
(end-of-time)
|
|
||||||
this)
|
|
||||||
)
|
|
||||||
|
|
|
||||||
|
|
@ -2,19 +2,33 @@ package idraw;
|
||||||
|
|
||||||
public abstract class World {
|
public abstract class World {
|
||||||
|
|
||||||
public Canvas theCanvas = new Canvas();
|
public Canvas theCanvas;
|
||||||
|
|
||||||
public native void bigBang(int width, int height, double s);
|
public void bigBang(int width, int height, double s) {
|
||||||
|
if (width <= 0)
|
||||||
public native World endOfTime();
|
Util.error("The method bigBang(int,int,double) expects " +
|
||||||
|
"the first argument to be greather than 0, given "
|
||||||
|
+ width);
|
||||||
|
if (height <= 0)
|
||||||
|
Util.error("The method bigBang(int,int,double) expects " +
|
||||||
|
"the second argument to be greather than 0, given "
|
||||||
|
+ height);
|
||||||
|
if (s <= 0)
|
||||||
|
Util.error("The method bigBang(int,int,double) expects " +
|
||||||
|
"the third argument to be greather than 0, given "
|
||||||
|
+ s);
|
||||||
|
theCanvas = new Canvas(width,height);
|
||||||
|
bigBangO(s);
|
||||||
|
}
|
||||||
|
|
||||||
public native World endOfWorld();
|
private native void bigBangO(double s);
|
||||||
|
|
||||||
public abstract void onTick();
|
// --------------------------------------------------------
|
||||||
|
|
||||||
public abstract void onKeyEvent(String ke);
|
public native World endOfTime();
|
||||||
|
public native World endOfWorld();
|
||||||
public abstract void draw();
|
public abstract void onTick();
|
||||||
|
public abstract void onKeyEvent(String ke);
|
||||||
public abstract void erase();
|
public abstract void draw();
|
||||||
|
public abstract void erase();
|
||||||
}
|
}
|
||||||
|
|
|
||||||
51
collects/htdch/idraw/support.scm
Normal file
51
collects/htdch/idraw/support.scm
Normal file
|
|
@ -0,0 +1,51 @@
|
||||||
|
(module support mzscheme
|
||||||
|
(require (lib "draw.ss" "htdp")
|
||||||
|
(lib "posn.ss" "lang")
|
||||||
|
(lib "class.ss")
|
||||||
|
(lib "unit.ss") (lib "unitsig.ss")
|
||||||
|
(lib "String.ss" "profj" "libs" "java" "lang"))
|
||||||
|
#;(lib "Throwable.ss" "profj" "libs""java""lang")
|
||||||
|
#;(lib "RuntimeException.ss" "profj" "libs" "java" "lang")
|
||||||
|
|
||||||
|
(provide world-native@ world-native^ support^)
|
||||||
|
|
||||||
|
(define-signature world-native^ (endOfTime-native endOfWorld-native bigBangO-double-native))
|
||||||
|
(define-signature support^ (world-return void-or-true))
|
||||||
|
|
||||||
|
(define world-native@
|
||||||
|
(unit/sig world-native^
|
||||||
|
(import support^)
|
||||||
|
(define (bigBangO-double-native this accs gets privates i)
|
||||||
|
(define theCanvas ((hash-table-get accs 'theCanvas) this))
|
||||||
|
(define width (with-method ([g (theCanvas Canvas-width-get)]) (g '___)))
|
||||||
|
(define height (with-method ([g (theCanvas Canvas-height-get)]) (g '___)))
|
||||||
|
;; call only *after* start
|
||||||
|
(define (on-event world th)
|
||||||
|
(begin-draw-sequence)
|
||||||
|
(send theCanvas copy)
|
||||||
|
(send world erase)
|
||||||
|
(th)
|
||||||
|
(send world draw)
|
||||||
|
(end-draw-sequence)
|
||||||
|
world)
|
||||||
|
(send theCanvas show)
|
||||||
|
(big-bang i this)
|
||||||
|
(on-tick-event
|
||||||
|
(lambda (world)
|
||||||
|
(on-event world (lambda () (send world onTick)))))
|
||||||
|
(on-key-event
|
||||||
|
(lambda (ke world)
|
||||||
|
(define ke* (make-java-string (if (char? ke) (string ke) (symbol->string ke))))
|
||||||
|
(on-event world (lambda () (send world onKeyEvent-java.lang.String ke*)))))
|
||||||
|
(void-or-true))
|
||||||
|
|
||||||
|
(define (endOfTime-native this accs gets privates)
|
||||||
|
(define theCanvas ((hash-table-get accs 'theCanvas) this))
|
||||||
|
(send theCanvas stop)
|
||||||
|
(world-return this))
|
||||||
|
|
||||||
|
(define (endOfWorld-native this accs gets privates)
|
||||||
|
(define theCanvas ((hash-table-get accs 'theCanvas) this))
|
||||||
|
(send theCanvas stop)
|
||||||
|
(world-return this))))
|
||||||
|
)
|
||||||
Loading…
Reference in New Issue
Block a user