update.

[chise/xemacs-chise.git-] / src / window.h

diff --git a/src/window.h b/src/window.h
index 41cc210..342ad44 100644 (file)
--- a/src/window.h
+++ b/src/window.h
@@ -28,7 +28,9 @@ Boston, MA 02111-1307, USA.  */
 #define _XEMACS_WINDOW_H_
 
 #include "redisplay.h"
+#ifdef HAVE_SCROLLBARS
 #include "scrollbar.h"
+#endif
 
 /* All windows in use are arranged into a tree, with pointers up and down.
 
@@ -143,8 +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;
@@ -321,6 +329,8 @@ int window_char_height (struct window *, int include_gutters_p);
 int window_displayed_height (struct window *);
 int window_is_leftmost (struct window *w);
 int window_is_rightmost (struct window *w);
+int window_is_lowest (struct window *w);
+int window_is_highest (struct window *w);
 int window_truncation_on (struct window *w);
 int window_needs_vertical_divider (struct window *);
 int window_scrollbar_width (struct window *w);
@@ -332,7 +342,6 @@ int window_top_gutter_height (struct window *w);
 int window_bottom_gutter_height (struct window *w);
 int window_left_gutter_width (struct window *w, int modeline);
 int window_right_gutter_width (struct window *w, int modeline);
-int window_bottom_toolbar_height (struct window *w);
 
 void delete_all_subwindows (struct window *w);
 void set_window_pixheight (Lisp_Object window, int pixheight,