Re: Gtk::TreeView

["Paul Davis" <pjdavis engineering uiowa edu>]

Vladimir,

Well, there's no error on linux.  You might want to try compiling
gtkmm for windows or get a distribution that has debugging symbols in
it.

Paul

On 12/18/06, Vladimir Đokić <v djokic gmail com> wrote:
> Hi all,
>
> Just ran your code Paul (just test.cc), and still the same error when
> deleting mWindow (_BLOCK_TYPE_IS_VALID(pHead->nBlockUse);).
>
>
> Thank you for all your help,
>
>
> Vladimir.
>
>
>
>  On 12/18/06, Paul Davis <pjdavis engineering uiowa edu> wrote:
> > Vladimir,
> >
> > I've attached two files. They're both essentially the same thing that
> > you pasted, but changed a bit to make them compile without the rest of
> > your code.
> >
> > Try compiling and running them and let me know if they produce the
> > errors you're getting with your code.
> >
> > better.cc is the same program implemented slightly differently using
> > stack allocation and inheritance. Both being 'Good Things (TM)' in
> > this case.
> >
> > Paul
> >
> > On 12/18/06, Vladimir Đokić <v djokic gmail com> wrote:
> > > Hi all,
> > >
> > > Here's the code snip (from various files):
> > >
> > > int main(int argc, char* argv[])
> > > {
> > >     Gtk::Main kit(argc, argv);
> > >
> > >     u1::Editor* editor = new u1::Editor();
> > >     editor->Init();
> > >
> > >     Gtk::Main::run(editor->GetWindow());
> > >
> > >     delete editor;
> > >
> > >     return 0;
> > > }
> > >
> > > class Editor
> > > {
> > > public:
> > >     Editor()
> > >         : mWindow(NULL)
> > >     { /* void */ }
> > >
> > >     ~Editor()
> > >     { delete mWindow; }
> > >
> > >      void Init()
> > >     {
> > >        ...
> > >
> > >         Glib::RefPtr<Gnome::Glade::Xml> xml =
> > > Gnome::Glade::Xml::create("Ui/u1Editor.glade");
> > >         xml->get_widget("u1Window", mWindow);
> > >
> > >         ...
> > >         Gtk::TreeView* tree_view = NULL;
> > >         xml->get_widget("u1TreeView", tree_view);
> > >
> > >         mTreeModel =
> Gtk::TreeStore::create(mTreeColumns);
> > >         tree_view->set_model(mTreeModel);
> > >
> > >         Gtk::TreeModel::Row row = *(mTreeModel->append());
> > >         row[mTreeColumns.mNodeName] = "Root";
> > >
> > >         tree_view.append_column("Nodes",
> > > mTreeColumns.mNodeName );
> > >     }
> > >
> > > private:
> > >     void OnQuit() // <-- executed from menu bar
> > >     {
> > >         Gtk::Main::quit();
> > >     }
> > >
> > >     class TreeColumns : public Gtk::TreeModel::ColumnRecord
> > >     {
> > >      public:
> > >
> > >     ModelColumns()
> > >     { add(mNodeName); }
> > >
> > >         Gtk::TreeModelColumn<Glib::ustring> mNodeName;
> > >     };
> > >
> > >     TreeColumn mTreeColumns;
> > >     Glib::RefPtr<Gtk::TreeStore> mTreeModel;
> > >
> > >     Gtk::Window*   mWindow;
> > >
> > > };
> > >
> > >
> > >
> > > Hope this will make more sense,
> > >
> > > Vladimir.
> > >
> > >
> > > On 12/18/06, Vladimir Đokić <v djokic gmail com > wrote:
> > > > Hi all,
> > > >
> > > > Unfortunately, since I'm using binary distribution of gtkmm, I'm
> unable to
> > > step into destruction of Gtk::Window. I've just noticed that I'm using
> > > Multithreaded Debug DLL (and don't know how gtkmm on windows was built),
> so
> > > I'll try changing these values... I'll post code later, when I get home
> > > (thought the code follows documentation and examples).
> > > >
> > > >
> > > >
> > > > Thanks,
> > > >
> > > > Vladimir.
> > > >
> > > >
> > > > On 12/18/06, Paul Davis < pjdavis engineering uiowa edu> wrote:
> > > > > Vladimir,
> > > > >
> > > > > Could you paste the tree view code you're using.
> > > > >
> > > > > And what is the heap message?  I don't know much about Visual
> Studio,
> > > > > so if this is some standard error I can only assume its the
> equivalent
> > > > > of a segfault.
> > > > >
> > > > > Does Visual Studio have a debugger so you can see which line is
> > > > > causing this error?
> > > > >
> > > > > Paul
> > > > >
> > > > > On 12/18/06, Vladimir Đokić < v djokic gmail com> wrote:
> > > > > > Hi all,
> > > > > >
> > > > > > I'm loading everything but the treemodel from the .glade file
> using
> > > > > > libglademm. For the creation of model and model data columns I'm
> using
> > > > > > example code from the gtkmm book. The window pointer I'm getting
> is
> > > valid
> > > > > > (points to Gtk::Window data) as well as the treeview pointer (but
> I'm
> > > only
> > > > > > deleting window, since all other widgets are managed and will be
> > > deleted as
> > > > > > children of window). I also noticed that nodes are showing some
> bad
> > > > > > behavior: Only last node is shown as root (top), and the when I
> click
> > > to
> > > > > > expand the node, nothing shows (empty). The binaries of gtkmm are
> from
> > > > > > http://www.pcpm.ucl.ac.be/~gustin/win32_ports/.
> I've
> > > double
> > > > > > checked the code. When the deletion of window occurs the heap
> error
> > > message
> > > > > > is issued by the visual studio. In the end, I can cook up small
> > > example of
> > > > > > this - if needed.
> > > > > >
> > > > > > Thanks,
> > > > > >
> > > > > > Vladimir.
> > > > > >
> > > > > > On 12/18/06, Paul Davis < pjdavis engineering uiowa edu> wrote:
> > > > > > > Vladimir,
> > > > > > >
> > > > > > > Could you be a tad bit more specific on the problem you're
> having?
> > > > > > >
> > > > > > > Paul
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > --
> > > > > >
> > > > > > "There's no room for ideals in this mechanical place. There has to
> be
> > > > > > passion. "
> > > > > > _______________________________________________
> > > > > > gtkmm-list mailing list
> > > > > > gtkmm-list gnome org
> > > > > > http://mail.gnome.org/mailman/listinfo/gtkmm-list
> > > > > >
> > > > > >
> > > > > >
> > > > >
> > > >
> > > >
> > > >
> > > > --
> > > >
> > > > "There's no room for ideals in this mechanical place. There has to be
> > > passion. "
> > >
> > >
> > >
> > > --
> > >
> > > "There's no room for ideals in this mechanical place. There has to be
> > > passion. "
> > > _______________________________________________
> > > gtkmm-list mailing list
> > > gtkmm-list gnome org
> > > http://mail.gnome.org/mailman/listinfo/gtkmm-list
> > >
> > >
> > >
> >
> >
>
>
>
>  --
>
> "There's no room for ideals in this mechanical place. There has to be
> passion. "
> _______________________________________________
> gtkmm-list mailing list
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