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

[clg] / gtk / gtkwidget.lisp

diff --git a/gtk/gtkwidget.lisp b/gtk/gtkwidget.lisp
index 692b155469acfaf7daa87ec74248df00f53b8138..3d3788a5fc5837dfac852119498d178740e42838 100644 (file)
--- a/gtk/gtkwidget.lisp
+++ b/gtk/gtkwidget.lisp
@@ -20,11 +20,10 @@
 ;; TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 ;; SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-;; $Id: gtkwidget.lisp,v 1.27 2007/02/19 14:29:33 espen Exp $
+;; $Id: gtkwidget.lisp,v 1.32 2008/11/25 22:17:08 espen Exp $
 
 (in-package "GTK")
 
-
 #-debug-ref-counting
 (defmethod print-object ((widget widget) stream)
   (if (and 
@@ -61,31 +60,36 @@ (defmethod slot-unbound ((class gobject-class) (object widget)
    ((slot-boundp object 'parent)
     (with-slots (parent child-properties) object
       (setf child-properties
-       (make-instance 
-        (gethash (class-of parent) *container-to-child-class-mappings*)
+       (make-instance (find-child-class (class-of parent))
        :parent parent :child object))))
    ((call-next-method))))
 
 
+(defparameter *widget-display-as-default-in-signal-handler-p* t)
+
 (defmethod compute-signal-function ((widget widget) signal function object args)
-  (declare (ignore signal))
-  (if (eq object :parent)
-      #'(lambda (&rest emission-args)
-         (let ((all-args (nconc (rest emission-args) args)))
-           (if (slot-boundp widget 'parent)
-               (apply function (widget-parent widget) all-args)
-           ;; Delay until parent is set
-           (signal-connect widget 'parent-set
-            #'(lambda (old-parent)
-                (declare (ignore old-parent))
-                (let ((*signal-stop-emission* 
-                       #'(lambda ()
-                           (warn "Ignoring emission stop in delayed signal handler"))))
-                  (apply function (widget-parent widget) all-args)))
-            :remove t)
-;          (warn "Widget has no parent -- ignoring signal")
-           )))
-    (call-next-method)))
+  (let ((wrapper
+        (if (eq object :parent)
+            #'(lambda (widget &rest emission-args)
+                (let ((all-args (nconc emission-args args)))
+                  (if (slot-boundp widget 'parent)
+                      (apply function (widget-parent widget) all-args)
+                    ;; Delay until parent is set
+                    (signal-connect widget 'parent-set
+                     #'(lambda (old-parent)
+                         (declare (ignore old-parent))
+                         (apply #'signal-emit widget signal emission-args))
+                     :remove t))))
+          (call-next-method))))
+    (if *widget-display-as-default-in-signal-handler-p*
+       #'(lambda (widget &rest args)
+           (let ((display (when (slot-boundp widget 'window)
+                            (gdk:drawable-display (widget-window widget)))))
+             (gdk:with-default-display (display)
+               (apply wrapper widget args))))
+      wrapper)))
+
+
       
 (defun child-property-value (widget slot)
   (slot-value (widget-child-properties widget) slot))
@@ -517,12 +521,29 @@ (defbinding widget-remove-mnemonic-label () nil
   (widget widget)
   (label widget))
 
+#?(pkg-exists-p "gtk+-2.0" :atleast-version "2.14.0")
+(defbinding widget-get-snapshot () gdk:pixmap
+  (widget widget)
+  (clip-rect (or null gdk:rectangle)))
+
 
 ;;; Additional bindings and functions
 
-(defbinding (widget-mapped-p "gtk_widget_mapped_p") () boolean
+(defbinding %widget-flags () int
   (widget widget))
 
+(defun widget-flags (widget)
+  (let ((flags (%widget-flags widget)))
+    (nconc 
+     (int-to-object-flags flags)
+     (int-to-widget-flags flags))))
+
+(defun widget-mapped-p (widget)
+  (find :mapped (widget-flags widget)))
+
+(defun widget-realized-p (widget)
+  (find :realized (widget-flags widget)))
+
 (defbinding widget-get-size-allocation () nil
   (widget widget)
   (width int :out)