Fwd: gtkmozembedmm memory management

[Cesar Gonzalez <cesargtk montevideo com uy>]

I'd appreciate if someone can help me with this. Max Vasin, are you there?

Thanks
Cesar

> Date: Thu, 15 Mar 2007 13:13:02 -0300
> To: gtkmm-list gnome org
> From: Cesar Gonzalez <cesargtk montevideo com uy>
> Subject: gtkmozembedmm memory management
>
> I'm testing the gtkmozembedmm behaviour and it doesn't seem to be 
> gtkmm compliant on the memory management.
>
> The first example I did to verify this problem is equal to the 
> "simple" example that comes with the gtkmozembedmm sources, with the 
> only difference that it's in loop and the Simple class object is 
> declared as a pointer to be able to build it and destroy it for each 
> iteration. I confirmed it dumps unexpectedly, maybe because I'm not 
> using the mozilla webcontrol correctly...???
> The second example is equal to the first but with a button instead 
> of a webcontrol, but as I hoped in this case it doesn't fail.
> I'm attaching both examples and a makefile so you can verify this too.
>
> The reason of doing this tests is because I need to open and close 
> more than once (here is the problem) a window on my application 
> containing a webcontrol, and to be able to free the memory each time 
> it is closed, but the next time I open the window and the class 
> constructor is called, occurs a segmentation fault like in the first example.
>
> Thanks in advance
> Cesar

Attachment: Makefile
Description: Binary data

#include <gtkmm.h>
#include <gtkmozembedmm.h>

const Glib::ustring test_uri = "file:///usr/share/gtk-doc/html/gtk/index.html";

class Simple : public Gtk::Window
{
  Gtk::Button b;
public:
  Simple()
  {
    set_border_width(5);
    set_default_size(600, 400);
    set_title("Simple");
    add(b);
    b.show();
    b.set_label(test_uri);
  }
};

int main (int argc, char** argv)
{
  Gtk::Main kit(argc, argv);
  while (true)
  {
    Simple * simple = new Simple();
    Gtk::Main::run(*simple);
    delete simple;
  }
  return 0;
}

#include <gtkmm.h>
#include <gtkmozembedmm.h>

const Glib::ustring test_uri = "file:///usr/share/gtk-doc/html/gtk/index.html";

class Simple : public Gtk::Window
{
  Mozilla::WebControl wc;
public:
  Simple()
  {
    set_border_width(5);
    set_default_size(600, 400);
    set_title("Simple");
    add(wc);
    wc.show();
    wc.load_url(test_uri);
  }
};

int main (int argc, char** argv)
{
  Gtk::Main kit(argc, argv);
  while (true)
  {
    Simple * simple = new Simple();
    Gtk::Main::run(*simple);
    delete simple;
  }
  return 0;
}