Bug fix

[clg] / gtk / gtkwidget.lisp

diff --git a/gtk/gtkwidget.lisp b/gtk/gtkwidget.lisp
index fc2e7bf5862dd5eaa7f58f1237c39ee240c961cf..0bb31546da148b9acba4045a2f8fce05c60b1a5f 100644 (file)
--- a/gtk/gtkwidget.lisp
+++ b/gtk/gtkwidget.lisp
@@ -20,7 +20,7 @@
 ;; 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 1.23 2006-04-26 12:11:21 espen Exp $
+;; $Id: gtkwidget.lisp,v 1.27 2007-02-19 14:29:33 espen Exp $
 
 (in-package "GTK")
 
@@ -67,12 +67,13 @@ (defmethod slot-unbound ((class gobject-class) (object widget)
    ((call-next-method))))
 
 
-(defmethod compute-signal-function ((widget widget) signal function object)
+(defmethod compute-signal-function ((widget widget) signal function object args)
   (declare (ignore signal))
   (if (eq object :parent)
-      #'(lambda (&rest args)
-         (if (slot-boundp widget 'parent)
-             (apply function (widget-parent widget) (rest args))
+      #'(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)
@@ -80,10 +81,10 @@ (defmethod compute-signal-function ((widget widget) signal function object)
                 (let ((*signal-stop-emission* 
                        #'(lambda ()
                            (warn "Ignoring emission stop in delayed signal handler"))))
-                  (apply function (widget-parent widget) (rest args))))
+                  (apply function (widget-parent widget) all-args)))
             :remove t)
 ;          (warn "Widget has no parent -- ignoring signal")
-           ))
+           )))
     (call-next-method)))
       
 (defun child-property-value (widget slot)
@@ -296,17 +297,58 @@ (defbinding widget-shape-combine-mask () nil
   (x-offset int)
   (y-offset int))
 
-(defbinding widget-path () nil
-  (widget widget)
-  (path-length int :out)
-  (path string :out)
-  (reverse-path string :out))
+(defun widget-path (widget)
+  (let ((subpath (list (if (and 
+                           (slot-boundp widget 'name) 
+                           (not (zerop (length (widget-name widget)))))
+                          (widget-name widget)
+                        (type-of widget)))))
+    (if (slot-boundp widget 'parent)
+       (nconc (widget-path (widget-parent widget)) subpath)
+      subpath)))
+
+(defun widget-class-path (widget)
+    (let ((subpath (list (type-of widget))))
+  (if (slot-boundp widget 'parent)
+      (nconc (widget-class-path (widget-parent widget)) subpath)
+    subpath)))
+
+
+(defun widget-path-lookup (path &optional (root (nreverse (window-list-toplevels))) (error-p t))
+  (let ((component (first path)))
+    (loop
+     for widget in (mklist root)
+     do (when (or
+              (and 
+               (stringp component) (slot-boundp widget 'name) 
+               (string= component (widget-name widget)))
+              (and
+               (symbolp component) (typep widget component)))
+         (cond
+          ((endp (rest path)) (return widget))
+          ((typep widget 'container)
+           (let ((descendant (widget-path-lookup (rest path) (container-children widget) nil)))
+             (when descendant
+               (return descendant))))))))
+  (when error-p
+    (error "Widget not found: ~A" path)))
+
+
+(defun widget-find (name &optional (root (nreverse (window-list-toplevels))) (error-p t))
+  "Search for a widget with the given name. ROOT should be a container
+widget or a list of containers."
+  (loop
+   for widget in (mklist root)
+   do (cond
+       ((and (slot-boundp widget 'name) (string= name (widget-name widget)))
+       (return-from widget-find widget))
+       ((typep widget 'container)
+       (let ((descendant (widget-find name (container-children widget) nil)))
+         (when descendant
+           (return-from widget-find descendant))))))
+  (when error-p
+    (error "Widget not found: ~A" name)))
 
-(defbinding widget-class-path () nil
-  (widget widget)
-  (path-length int :out)
-  (path string :out)
-  (reverse-path string :out))
 
 (defbinding widget-modify-style () nil
   (widget widget)
@@ -370,9 +412,9 @@ (defbinding widget-queue-draw-area () nil
 (defbinding widget-reset-shapes () nil
   (widget widget))
 
-;; (defbinding widget-set-double-buffered () nil
-;;   (widget widget)
-;;   (double-buffered boolean))
+(defbinding widget-set-double-buffered () nil
+  (widget widget)
+  (double-buffered boolean))
 
 ;; (defbinding widget-set-redraw-on-allocate () nil
 ;;   (widget widget)