X-Git-Url: https://git.jsancho.org/?a=blobdiff_plain;f=src%2Fviews.scm;h=b45fa91f4c24e387be36cb344b3ad6312bbd28e2;hb=4b594802583a1a160325baba108061574d613876;hp=2fc44a873e5ce1394e6236f5ac28880e697b58b3;hpb=c2473ff3eec8feb96efd299b0d1fc7f11e348362;p=gacela.git

diff --git a/src/views.scm b/src/views.scm
index 2fc44a8..b45fa91 100644
--- a/src/views.scm
+++ b/src/views.scm
@@ -28,18 +28,47 @@
   (make-record-type "view" 
 		    '(id controllers meshes priority)
 		    (lambda (record port)
-		      (format port "#<view: ~a controllers / ~a meshes>"
-			      (length (hash-map->list (lambda x x) (view-controllers record)))
-			      (length (hash-map->list (lambda x x) (view-meshes record)))))))
+		      (format port "#<view: ~a meshes>"
+			      (length (view-meshes record))))))
 
-(define* (make-view #:optional (priority 0)) ((record-constructor view-type) (gensym) (make-hash-table) (make-hash-table) priority))
+(define (make-view controllers meshes priority) ((record-constructor view-type) (gensym) controllers meshes priority))
 (define view? (record-predicate view-type))
 (define view-id (record-accessor view-type 'id))
-(define view-controllers (record-accessor view-type 'controllers))
 (define view-meshes (record-accessor view-type 'meshes))
+(define view-meshes-set! (record-modifier view-type 'meshes))
+(define view-controllers (record-accessor view-type 'controllers))
+(define view-controllers-set! (record-modifier view-type 'controllers))
 (define view-priority (record-accessor view-type 'priority))
 
+;(defmacro* view (#:key (priority 0) . elements)
+(define-macro (view-elements . elements)
+  (cond ((null? elements) `'(() ()))
+	(else
+	 `(let ((l (view-elements ,@(cdr elements))))
+	    ,(let ((e (car elements)))
+	       `(cond ((mesh? ,e)
+		       (list (car l) (cons ,e (cadr l))))
+		      ((procedure? ,e)
+		       (list (cons ,(if (list? e) e `(lambda () (,e))) (car l))
+			     (cadr l)))
+		      (else l)))))))
+
+(define* (view2 #:key (priority 0) . elements)
+  (let ((controllers '())
+	(meshes '()))
+    (define (f elements)
+      (cond ((not (null? elements))
+	     (cond ((mesh? (car elements)) (set! meshes (cons (car elements) meshes)))
+		   ((procedure? (car elements)) (set! controllers (cons (car elements) controllers))))
+	     (f (cdr elements)))))
+    (f elements)
+    (display controllers)
+    (newline)
+    (display meshes)
+    (newline)))
+
 (define activated-views '())
+
 (define (sort-views views-alist)
   (sort views-alist
 	(lambda (v1 v2)
@@ -55,23 +84,27 @@
 
 (define (view-priority-set! view priority)
   ((record-modifier view-type 'priority) view priority)
-  (set! activated-views (sort-views activated-views)))
+  (if (view-actived? view)
+      (set! activated-views (sort-views activated-views))))
+
+(define current-view #f)
 
 (define* (run-views #:optional (views activated-views))
   (cond ((not (null? views))
-	 ; controllers go here
-	 (draw-meshes (hash-map->list (lambda (k v) v) (view-meshes (cdar views))))
+	 (set! current-view (cdar views))
+	 ;((view-body current-view))
+	 (draw-meshes (view-meshes current-view))
 	 (run-views (cdr views)))))
 
 (define (draw-meshes meshes)
   (cond ((not (null? meshes))
 	 (catch #t
-		  (lambda () (mesh-draw (car meshes)))
+		  (lambda () (mesh-draw (cdar meshes)))
 		  (lambda (key . args) #f))
 	 (draw-meshes (cdr meshes)))))
 
 
-(define default-view (activate-view (make-view)))
+;(define default-view (activate-view (make-view (lambda () #f))))
 
 
 ;;; Meshes
@@ -164,15 +197,19 @@
 (define (mesh-property-set! mesh prop-name value)
   (((record-accessor mesh-type 'property-set!) mesh) prop-name value))
 
-(define* (show mesh #:optional (view default-view))
+(define* (show mesh #:optional (view current-view))
   (let ((id (mesh-inner-property mesh 'id))
 	(table (view-meshes view)))
-    (if (not (hash-ref table id))
-	(hash-set! table id mesh))))
+    (if (not (assoc-ref table id))
+	(view-meshes-set! view (assoc-set! table id mesh))))
+  mesh)
 
-(define* (hide mesh #:optional (view default-view))
-  (let ((table (view-meshes view)))
-    (hash-remove! table (mesh-inner-property mesh 'id))))
+(define* (hide mesh #:optional (view current-view))
+  (let ((id (mesh-inner-property mesh 'id))
+	(table (view-meshes view)))
+    (if (assoc-ref table id)
+	(view-meshes-set! view (assoc-remove! table id))))
+  mesh)
 
 (define* (translate mesh x y #:optional (z 0))
   (((record-accessor mesh-type 'translate) mesh) x y z)
@@ -216,11 +253,11 @@
   (square video:draw-square))
 
 
+;;; Adding extensions to the main loop
+(add-extension! run-views 10)
+
+
 (module-map (lambda (sym var)
 	      (if (not (eq? sym '%module-public-interface))
 		  (module-export! (current-module) (list sym))))
 	    (current-module))
-
-
-;;; Adding extensions to the main loop
-(add-extension! run-views 10)