Re-registering custom signals and class closures when loading saved images

[clg] / gtk / gtkcontainer.lisp

diff --git a/gtk/gtkcontainer.lisp b/gtk/gtkcontainer.lisp
index 6c66e62ebb43c506b935267bacd7d05dce756149..1fe62b70f30be7ab15d3cfc2d2d8a0c74b54b8f4 100644 (file)
--- a/gtk/gtkcontainer.lisp
+++ b/gtk/gtkcontainer.lisp
@@ -20,20 +20,37 @@
 ;; TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 ;; SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-;; $Id: gtkcontainer.lisp,v 1.20 2006/02/28 16:32:18 espen Exp $
+;; $Id: gtkcontainer.lisp,v 1.26 2008/05/06 00:04:42 espen Exp $
 
 (in-package "GTK")
 
 (defgeneric container-add (container widget &rest args))
 (defgeneric container-remove (container widget))
-(defgeneric container-children (container))
+(defgeneric container-all-children (container))
+(defgeneric container-internal-children (container))
 (defgeneric (setf container-children) (children container))
 
 
+(defun initial-add (object function initargs key pkey)
+  (loop 
+   as (initarg value . rest) = initargs then rest
+   do (cond
+       ((eq initarg key) (funcall function object value))
+       ((eq initarg pkey) (mapc #'(lambda (value)
+                                   (funcall function object value))
+                               value)))
+       while rest))
+
+(defun initial-apply-add (object function initargs key pkey)
+  (initial-add object #'(lambda (object value)
+                         (apply function object (mklist value)))
+              initargs key pkey))
+
+
 (defmethod shared-initialize ((container container) names &rest initargs 
                              &key child children child-args 
-                                  (show-children nil show-children-p))
-  (declare (ignore child children))
+                             (show-children nil show-children-p))
+  (declare (ignore names child children))
   (when show-children-p
     (if (not show-children)
        (setf (user-data container 'show-recursive-p) nil)
@@ -47,12 +64,14 @@ (defmethod shared-initialize ((container container) names &rest initargs
    initargs :child :children))
 
 
-(defmethod compute-signal-function ((container container) signal function object)
+(defmethod compute-signal-function ((container container) signal function object args)
+  (declare (ignore signal))
   (if (eq object :children)
-      #'(lambda (&rest args)
-         (mapc #'(lambda (child)
-                   (apply function child (rest args)))
-               (container-children container)))
+      #'(lambda (container &rest emission-args)
+         (let ((all-args (nconc emission-args args)))
+           (container-foreach container
+            #'(lambda (child)
+                (apply function child all-args)))))
     (call-next-method)))
 
 
@@ -60,15 +79,31 @@ (defbinding %container-add () nil
   (container container)
   (widget widget))
 
-(defmethod container-add ((container container) (widget widget) &rest args)
-  (%container-add container widget)
+(defun find-child-class (container-class)
+  (or
+   (gethash container-class *container-to-child-class-mappings*)
+   (setf (gethash container-class *container-to-child-class-mappings*)
+    (or
+     (when (eq container-class (find-class 'container))
+       (find-class 'container-child))
+     (find-child-class (find-class (supertype container-class)))))))
+
+(defun init-child-slots (container child args)
   (when args
     (setf
-     (slot-value widget 'child-properties)
+     (slot-value child 'child-properties)
      (apply
-      #'make-instance
-      (gethash (class-of container) *container-to-child-class-mappings*)
-      :parent container :child widget args))))
+      #'make-instance (find-child-class (class-of container))
+      :parent container :child child args))))
+
+(defmethod container-add ((container container) (widget widget) &rest args)
+  (%container-add container widget)
+  (init-child-slots container widget args)
+  widget)
+
+(defmethod container-add ((container container) (widgets list) &rest args)
+  (dolist (widget widgets)
+    (apply #'container-add container widget args)))
 
 (defbinding %container-remove () nil
   (container container)
@@ -122,23 +157,33 @@ (defun map-container (seqtype func container)
      nil)
     (list
      (let ((list nil))
-       (container-foreach
-       container
+       (container-foreach container
        #'(lambda (child)
            (push (funcall func child) list)))
        (nreverse list)))
     (t
      (let ((seq (make-sequence seqtype (container-length container)))
           (index 0))
-       (container-foreach
-       container
+       (container-foreach container
        #'(lambda (child)
            (setf (elt seq index) (funcall func child))
            (incf index)))
        seq))))
 
-(defmethod container-children ((container container))
-  (map-container 'list #'identity container))
+(defmethod container-all-children ((container container))
+  (let ((internal ()))
+    (container-forall container 
+     #'(lambda (child)
+        (push child internal)))
+    (nreverse internal)))
+
+(defmethod container-internal-children ((container container))
+  (let ((external-children (container-children container))
+       (all-children (container-all-children container)))
+    (loop
+     for child in all-children
+     unless (find child external-children)
+     collect child)))
 
 (defmethod (setf container-children) (children (container container))
   (dolist (child (container-children container))
@@ -188,7 +233,7 @@ (defun (setf container-focus-chain) (focusable-widgets container)
 (defgeneric container-show-recursive (container))
 
 (defmethod container-show-recursive ((container container))
-  "Recursively shows any child widgets except widgets explicit hidden during construction."
+  "Recursively show any child widgets except widgets explicit hidden during construction."
   (labels ((recursive-show (widget)
             (when (typep widget 'container)
               (if (not (user-data-p widget 'show-recursive-p))