From: espen <espen>
Date: Tue, 4 Mar 2008 16:03:38 +0000 (+0000)
Subject: Added *REENTRANT-MAIN-ITERATION* to control if MAIN-ITERATE-ALL can be
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/clg/commitdiff_plain/3e4f39aed54688e361ada3e73be676ca1fb5dfb7

Added *REENTRANT-MAIN-ITERATION* to control if MAIN-ITERATE-ALL can be
invoked recursively.
---

diff --git a/gtk/defpackage.lisp b/gtk/defpackage.lisp
index 58367a8..87836f4 100644
--- a/gtk/defpackage.lisp
+++ b/gtk/defpackage.lisp
@@ -20,7 +20,8 @@ (defpackage "GTK"
   #+clisp
   (:import-from "SOCKET" "SOCKET-STATUS")
   (:export "EVENTS-PENDING-P" "GET-CURRENT-EVENT" "MAIN-DO-EVENT" "MAIN"
-	   "MAIN-LEVEL" "MAIN-QUIT" "MAIN-ITERATION-DO" "MAIN-ITERATE-ALL")
+	   "MAIN-LEVEL" "MAIN-QUIT" "MAIN-ITERATION-DO" "MAIN-ITERATE-ALL"
+	   "*REENTRANT-MAIN-ITERATION*" "*RUNNING-MAIN-ITERATION*")
   (:export "CONTAINER-CHILD-CLASS" "CONTAINER-CHILD" "CONTAINER-CHILD-CLASS")
   ;; Signal names that need to be explicit exported
   (:export "TOGGLED")
diff --git a/gtk/gtkobject.lisp b/gtk/gtkobject.lisp
index 6171c5b..7d57bfd 100644
--- a/gtk/gtkobject.lisp
+++ b/gtk/gtkobject.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: gtkobject.lisp,v 1.45 2008-02-28 18:33:12 espen Exp $
+;; $Id: gtkobject.lisp,v 1.46 2008-03-04 16:03:38 espen Exp $
 
 
 (in-package "GTK")
@@ -56,6 +56,9 @@ (defbinding %object-sink () nil
 
 ;;;; Main loop and event handling
 
+(defparameter *reentrant-main-iteration* t)
+(defvar *running-main-iteration* nil)
+
 (defbinding events-pending-p () boolean)
 
 (defbinding get-current-event () gdk:event)
@@ -74,9 +77,11 @@ (defbinding main-iteration-do (&optional (blocking t)) boolean
 
 (defun main-iterate-all (&rest args)
   (declare (ignore args))
-  (loop
-   while (events-pending-p)
-   do (main-iteration-do nil))
+  (unless (and (not *reentrant-main-iteration*) *running-main-iteration*)
+    (let ((*running-main-iteration* t))
+      (loop
+       while (events-pending-p)
+       do (main-iteration-do nil))))
   #+clisp 0)