From: espen <espen>
Date: Fri, 11 Apr 2008 19:47:39 +0000 (+0000)
Subject: Added (or null ...) return types
X-Git-Url: https://git.distorted.org.uk/~mdw/clg/commitdiff_plain/73326d92ff489b66efbf34cd27da49db46ac1bf2

Added (or null ...) return types
---

diff --git a/gdk/gdk.lisp b/gdk/gdk.lisp
index d44cbfd..3288559 100644
--- a/gdk/gdk.lisp
+++ b/gdk/gdk.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: gdk.lisp,v 1.48 2008-01-02 15:26:46 espen Exp $
+;; $Id: gdk.lisp,v 1.49 2008-04-11 19:47:39 espen Exp $
 
 
 (in-package "GDK")
@@ -44,7 +44,7 @@
 	 (display-name display) (pointer-address (foreign-location display))))
     (call-next-method)))
 
-(defbinding %display-open () display
+(defbinding %display-open () (or null display)
   (display-name (or null string)))
 
 (defvar *display-aliases* ())
@@ -102,11 +102,11 @@
 (defbinding flush () nil)
 
 (defbinding display-get-event
-    (&optional (display (display-get-default))) event
+    (&optional (display (display-get-default))) (or null event)
   (display display))
 
 (defbinding display-peek-event
-    (&optional (display (display-get-default))) event
+    (&optional (display (display-get-default))) (or null event)
   (display display))
 
 (defbinding display-put-event
@@ -149,7 +149,7 @@
 
 ;;; Display manager
 
-(defbinding display-get-default () display)
+(defbinding display-get-default () (or null display))
 
 (defbinding (display-set-default "gdk_display_manager_set_default_display")
     (display) nil
@@ -303,14 +303,14 @@
 
 (defbinding (events-pending-p "gdk_events_pending") () boolean)
 
-(defbinding event-get () event)
+(defbinding event-get () (or null event))
 
-(defbinding event-peek () event)
+(defbinding event-peek () (pr null event))
 
 (defbinding event-get-graphics-expose () event
   (window window))
 
-(defbinding event-put () event
+(defbinding event-put () nil
   (event event))
 
 ;(defbinding event-handler-set () ...)
@@ -415,7 +415,9 @@
 (defbinding window-destroy () nil
   (window window))
 
-(defbinding window-at-pointer () window
+(defbinding (window-at-pointer "gdk_display_get_window_at_pointer") 
+    (&optional (display (display-get-default))) (or null window)
+  display
   (x int :out)
   (y int :out))
 
@@ -735,7 +737,7 @@
   (x int :out)
   (y int :out))
 
-(defbinding window-get-pointer () window
+(defbinding window-get-pointer () (or null window)
   (window window)
   (x int :out)
   (y int :out)
diff --git a/gdk/pixbuf.lisp b/gdk/pixbuf.lisp
index 08f96d8..47ec7aa 100644
--- a/gdk/pixbuf.lisp
+++ b/gdk/pixbuf.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: pixbuf.lisp,v 1.6 2007-06-18 10:14:39 espen Exp $
+;; $Id: pixbuf.lisp,v 1.7 2008-04-11 19:47:39 espen Exp $
 
 
 (in-package "GDK")
@@ -31,13 +31,13 @@
 
 (defbinding %pixbuf-new-from-file () (referenced pixbuf)
   (filename pathname)
-  (nil gerror :out))
+  (nil (or null gerror) :out))
 
 (defbinding %pixbuf-new-from-file-at-size () (referenced pixbuf)
   (filename pathname)
   (width int)
   (height int)
-  (nil gerror :out))
+  (nil (or null gerror) :out))
 
 #?(pkg-exists-p "gtk+-2.0" :atleast-version "2.6.0")
 (defbinding %pixbuf-new-from-file-at-scale () (referenced pixbuf)
@@ -45,7 +45,7 @@
   (width int)
   (height int)
   (preserve-aspect-ratio boolean)
-  (nil gerror :out))
+  (nil (or null gerror) :out))
 
 (defun pixbuf-load (filename &key width height size (preserve-aspect-ratio t))
   #?-(pkg-exists-p "gtk+-2.0" :atleast-version "2.6.0")
@@ -83,7 +83,7 @@
   (type string)
   (keys strings)
   (values strings)
-  (nil gerror :out))
+  (nil (or null gerror) :out))
 
 (defun pixbuf-save (pixbuf filename type &rest options)
   (let ((keys (make-array 0 :adjustable t :fill-pointer t))
@@ -118,7 +118,7 @@
       (%pixbuf-copy pixbuf)
     (%pixbuf-new-subpixbuf pixbuf x y width height)))
 
-(defbinding %pixbuf-get-from-drawable () (referenced pixbuf)
+(defbinding %pixbuf-get-from-drawable () (or null (referenced pixbuf))
   (dest (or null pixbuf))
   (drawable drawable)
   (colormap (or null colormap))