window.c

1 files changed, 29 insertions, 0 deletions

diff --git a/utils.c b/utils.c
index 26d910e..99c375a 100644
--- a/utils.c
+++ b/utils.c
@@ -27,3 +27,32 @@ ocm_malloc (size_t n)
 
     return 0;
 }
+
+static int
+ignore_errors (Display *dpy, XErrorEvent *event)
+{
+    return 0;
+}
+
+void
+ocm_begin_ignore_errors (ocm_app_t *app)
+{
+    app->error_nesting++;
+    if (app->error_handler)
+	return;
+    
+    XSync (app->display, FALSE);
+
+    app->error_handler = XSetErrorHandler (ignore_errors);
+}
+
+void
+ocm_end_ignore_errors (ocm_app_t *app)
+{
+    if (--app->error_nesting == 0)
+    {
+	XSync (app->display, FALSE);
+
+	XSetErrorHandler (app->error_handler);
+    }
+}