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2004-05-29 Mike Kestner <mkestner@ximian.com>

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* gnome/CanvasItem.custom : for OnUpdate, Art.SVP can be NULL
	so treat it as an IntPtr with Zero checks and manual marshaling.

svn path=/trunk/gtk-sharp/; revision=28442
This commit is contained in:
Mike Kestner 2004-05-29 15:32:34 +00:00
parent 2969801044
commit 14168176c2
2 changed files with 12 additions and 2 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2004-05-29 Mike Kestner <mkestner@ximian.com>
* gnome/CanvasItem.custom : for OnUpdate, Art.SVP can be NULL
so treat it as an IntPtr with Zero checks and manual marshaling.
2004-05-28 Vladimir Vukicevic <vladimir@pobox.com>
* gtk/CellRenderer.custom: fix GetSize_cb, cell_area can be NULL

9
gnome/CanvasItem.custom
View File

@ -182,15 +182,20 @@
[DllImport("gnomesharpglue")]
static extern void gnomesharp_canvas_item_override_update (GLib.GType gtype, UpdateDelegate cb);
delegate void UpdateDelegate (IntPtr item, IntPtr affine_ptr, ref Art.SVP clip_path, int flags);
delegate void UpdateDelegate (IntPtr item, IntPtr affine_ptr, IntPtr clip_path, int flags);
static UpdateDelegate UpdateCallback;
static void Update_cb (IntPtr item, IntPtr affine_ptr, ref Art.SVP clip_path, int flags)
static void Update_cb (IntPtr item, IntPtr affine_ptr, IntPtr clip_path_handle, int flags)
{
CanvasItem obj = GLib.Object.GetObject (item, false) as CanvasItem;
double[] affine = new double [6];
Marshal.Copy (affine_ptr, affine, 0, 6);
Art.SVP clip_path;
if (clip_path_handle == IntPtr.Zero)
clip_path = Art.SVP.Zero;
else
clip_path = (Art.SVP) Marshal.PtrToStructure (clip_path_handle, typeof(Art.SVP));
obj.OnUpdate (affine, ref clip_path, flags);
}