[cluttermm_tutorial] scrollingcontainer: Replace ActorBox:; get_x/y*() with get_width/height().

[Murray Cumming <murrayc src gnome org>]

commit 4da2db4b12c7837965ccf296e2ca99130c8e045c
Author: Murray Cumming <murrayc murrayc com>
Date:   Thu Apr 17 10:40:06 2014 +0200

    scrollingcontainer: Replace ActorBox:;get_x/y*() with get_width/height().

 INSTALL                                  |   15 ++++++++++-----
 examples/scrolling/scrollingcontainer.cc |    4 ++--
 2 files changed, 12 insertions(+), 7 deletions(-)
---
diff --git a/INSTALL b/INSTALL
index 7d1c323..007e939 100644
--- a/INSTALL
+++ b/INSTALL
@@ -1,8 +1,8 @@
 Installation Instructions
 *************************
 
-Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2004, 2005,
-2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+Copyright (C) 1994-1996, 1999-2002, 2004-2013 Free Software Foundation,
+Inc.
 
    Copying and distribution of this file, with or without modification,
 are permitted in any medium without royalty provided the copyright
@@ -226,6 +226,11 @@ order to use an ANSI C compiler:
 
 and if that doesn't work, install pre-built binaries of GCC for HP-UX.
 
+   HP-UX `make' updates targets which have the same time stamps as
+their prerequisites, which makes it generally unusable when shipped
+generated files such as `configure' are involved.  Use GNU `make'
+instead.
+
    On OSF/1 a.k.a. Tru64, some versions of the default C compiler cannot
 parse its `<wchar.h>' header file.  The option `-nodtk' can be used as
 a workaround.  If GNU CC is not installed, it is therefore recommended
@@ -304,9 +309,10 @@ causes the specified `gcc' to be used as the C compiler (unless it is
 overridden in the site shell script).
 
 Unfortunately, this technique does not work for `CONFIG_SHELL' due to
-an Autoconf bug.  Until the bug is fixed you can use this workaround:
+an Autoconf limitation.  Until the limitation is lifted, you can use
+this workaround:
 
-     CONFIG_SHELL=/bin/bash /bin/bash ./configure CONFIG_SHELL=/bin/bash
+     CONFIG_SHELL=/bin/bash ./configure CONFIG_SHELL=/bin/bash
 
 `configure' Invocation
 ======================
@@ -362,4 +368,3 @@ operates.
 
 `configure' also accepts some other, not widely useful, options.  Run
 `configure --help' for more details.
-
diff --git a/examples/scrolling/scrollingcontainer.cc b/examples/scrolling/scrollingcontainer.cc
index fa4f219..1028b89 100644
--- a/examples/scrolling/scrollingcontainer.cc
+++ b/examples/scrolling/scrollingcontainer.cc
@@ -161,8 +161,8 @@ void ScrollingContainer::pick_vfunc(const Clutter::Color& color)
 
 void ScrollingContainer::allocate_vfunc(const Clutter::ActorBox& box, Clutter::AllocationFlags 
absolute_origin_changed)
 {
-  const float width  = std::max<float>(0, box.get_x2() - box.get_x1());
-  const float height = std::max<float>(0, box.get_y2() - box.get_y1());
+  const float width  = std::max<float>(0, box.get_width());
+  const float height = std::max<float>(0, box.get_height());
 
   Clutter::ActorBox child_box (0, 0, width, height);