[passepartout] added a private memory structure for the window

[Sven Herzberg <herzi src gnome org>]

commit 31b062204875278e36866abf2ac5577c2a4f7821
Author: Sven Herzberg <herzi lanedo com>
Date:   Fri May 1 18:33:25 2009 +0200

    added a private memory structure for the window
    
    * src/pptout/window.cc,
    * src/pptout/window.h: added a private memory structure to hide implementation
      details of the window
---
 src/pptout/window.cc |   12 +++++++++++-
 src/pptout/window.h  |    2 ++
 2 files changed, 13 insertions(+), 1 deletions(-)

diff --git a/src/pptout/window.cc b/src/pptout/window.cc
index 8e55283..c71f49f 100644
--- a/src/pptout/window.cc
+++ b/src/pptout/window.cc
@@ -31,6 +31,10 @@ namespace{
   Windows windows; // a list of all windows
 }
 
+class FrameWindow::Private
+{
+};
+
 FrameWindow *FrameWindow::active_window(0);
 
 FrameWindow::FrameWindow(const FrameWindow &original)
@@ -82,7 +86,11 @@ void FrameWindow::on_recent_file (const Glib::RefPtr<Gtk::RecentAction>& recent)
   }
 }
 
-void FrameWindow::constructor_common() {
+void
+FrameWindow::constructor_common (void)
+{
+  p = new Private ();
+
   open_dialog.reset(new Filesel(*this, _("Open")));
   save_dialog.reset(new Filesel(*this, _("Save As"),
                                 Gtk::FILE_CHOOSER_ACTION_SAVE));
@@ -209,6 +217,8 @@ FrameWindow::~FrameWindow() {
     Gtk::Main::quit();
   else
     debug << "window count = " << windows.size() << std::endl;
+
+  delete p;
 }
 
 void FrameWindow::set_filename(const Glib::ustring &filename) {
diff --git a/src/pptout/window.h b/src/pptout/window.h
index 036e27a..8c41909 100644
--- a/src/pptout/window.h
+++ b/src/pptout/window.h
@@ -33,6 +33,8 @@ public:
   ~FrameWindow();
 
 private:
+  class Private;
+  Private* p;
   static FrameWindow *active_window; // pointer to the currently active window
   Gtk::Widget *toolbar;
   Gtk::ScrolledWindow *scroller;