Support `:activate ((DESC . SPECIAL-INITARGS))' in attributes

[clinton/lisp-on-lines.git] / src / display.lisp

diff --git a/src/display.lisp b/src/display.lisp
index d04a131..e502b85 100644 (file)
--- a/src/display.lisp
+++ b/src/display.lisp
@@ -15,22 +15,35 @@
     (setf context (remove-layer (find-description d)
                                context)))
   (dolist (d activate context)
-    (setf context (adjoin-layer (find-description d)
+    (setf context (adjoin-layer (find-description (if (consp d) (car d) d))
                                context))))
 
 (defun funcall-with-attribute-context (attribute thunk)
   (funcall-with-layer-context 
-   (modify-layer-context (current-layer-context) 
+   (modify-layer-context (current-layer-context)
                         :activate (attribute-active-descriptions attribute)
                         :deactivate (attribute-inactive-descriptions attribute))
-   thunk))
+   (lambda ()
+     (with-special-symbol-access
+       (contextl::funcall-with-special-initargs
+       (mappend (lambda (desc)
+                  (when (consp desc)
+                    (let ((description (find-description (car desc))))
+                      (loop 
+                         :for (key val) :on (cdr desc) :by #'cddr
+                         :collect (list (find key (description-attributes description) 
+                                              :key #'attribute-keyword)
+                                 :value val)))))
+                (attribute-active-descriptions attribute))
+       (lambda ()
+         (without-special-symbol-access
+           (funcall thunk))))))))
 
 (defmacro with-attribute-context ((attribute) &body body)
   `(funcall-with-attribute-context ,attribute (lambda () ,@body)))
   
   
 (defun display (display object &rest args &key deactivate activate &allow-other-keys)
-
   (funcall-with-layer-context 
    (modify-layer-context (current-layer-context) 
                         :activate activate