X-Git-Url: http://git.chise.org/gitweb/?p=chise%2Fxemacs-chise.git.1;a=blobdiff_plain;f=src%2Fwindow.h;h=5bcfea620987f31cc8c50f5e73dceffced6bd86c;hp=fd2e2916566cfd172649c67b8253373218c32562;hb=cb9f6f4eadc44f1becb32cbbd1db26449e347755;hpb=7e7e32d8c43ebad1d3e115269d251075abbfdf91

diff --git a/src/window.h b/src/window.h
index fd2e291..5bcfea6 100644
--- a/src/window.h
+++ b/src/window.h
@@ -145,8 +145,14 @@ struct window
   face_cachel_dynarr *face_cachels;
   /* glyph cache elements correct for this window and its current buffer */
   glyph_cachel_dynarr *glyph_cachels;
-
-
+  /* we cannot have a per-device cache of widgets / subwindows because
+     each visible instance needs to be a separate instance. The lowest
+     level of granularity we can get easily is the window that the
+     subwindow is in. This will fail if we attach the same subwindow
+     twice to a buffer. However, we are quite unlikely to do this,
+     especially with buttons which will need individual callbacks. The
+     proper solution is probably not worth the effort. */
+  Lisp_Object subwindow_instance_cache;
   /* List of starting positions for display lines.  Only valid if
      buffer has not changed. */
   line_start_cache_dynarr *line_start_cache;