(build_desired_tool_bar_string): For a toolbar item in

disabled state, don't apply an image transformation algorithm if
the user specified an image for the disabled state.  Use
`:algorthm disabled' for creating a disabled item's image if the
user hasn't specified an image.

diff --git a/src/xdisp.c b/src/xdisp.c
index 9d9815e8e94383812e4c8dcd2a3c585b6ec46f30..816ea6debf7441d5db9b73ad98b285c23a882c96 100644 (file)
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -6846,7 +6846,7 @@ build_desired_tool_bar_string (f)
 
       int enabled_p = !NILP (PROP (TOOL_BAR_ITEM_ENABLED_P));
       int selected_p = !NILP (PROP (TOOL_BAR_ITEM_SELECTED_P));
-      int margin, relief;
+      int margin, relief, idx;
       extern Lisp_Object QCrelief, QCmargin, QCalgorithm, Qimage;
       extern Lisp_Object Qlaplace;
 
@@ -6855,8 +6855,6 @@ build_desired_tool_bar_string (f)
       image = PROP (TOOL_BAR_ITEM_IMAGES);
       if (VECTORP (image))
        {
-         enum tool_bar_item_image idx;
-         
          if (enabled_p)
            idx = (selected_p
                   ? TOOL_BAR_IMAGE_ENABLED_SELECTED
@@ -6866,9 +6864,11 @@ build_desired_tool_bar_string (f)
                   ? TOOL_BAR_IMAGE_DISABLED_SELECTED
                   : TOOL_BAR_IMAGE_DISABLED_DESELECTED);
          
-         xassert (XVECTOR (image)->size >= idx);
-         image = XVECTOR (image)->contents[idx];
+         xassert (ASIZE (image) >= idx);
+         image = AREF (image, idx);
        }
+      else
+       idx = -1;
 
       /* Ignore invalid image specifications.  */
       if (!valid_image_p (image))
@@ -6907,10 +6907,11 @@ build_desired_tool_bar_string (f)
       if (margin)
        plist = Fplist_put (plist, QCmargin, make_number (margin));
          
-      /* If button is not enabled, make the image appear disabled by
+      /* If button is not enabled, and we don't have special images
+        for the disabled state, make the image appear disabled by
         applying an appropriate algorithm to it.  */
-      if (!enabled_p)
-       plist = Fplist_put (plist, QCalgorithm, Qlaplace);
+      if (!enabled_p && idx < 0)
+       plist = Fplist_put (plist, QCalgorithm, Qdisabled);
       
       /* Put a `display' text property on the string for the image to
         display.  Put a `menu-item' property on the string that gives