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List:       gtkmm
Subject:    Re: How to subclass Gtk::Bin
From:       Maggio Mago <dev.maggio () gmail ! com>
Date:       2013-05-27 18:11:18
Message-ID: CAN45nkGJCeQi-X85Bn9iK02iAecsYJ_uMnwMorVYGrKr26ERmA () mail ! gmail ! com
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I missed :
https://developer.gnome.org/gtkmm/stable/classGtk_1_1Widget.html#a3a373b58ed5a05fd28d6dadd70d8f39b
And : https://git.gnome.org/browse/gtk+/tree/gtk/gtkbutton.c?h=gtk-3-8


I solve my problem with :


void Timeline::on_size_allocate(Gtk::Allocation &allocation)
{
    Gtk::Bin::on_size_allocate(allocation);

    // instead of
    //get_child()->set_allocation(allocation);
    // use
    get_child()->size_allocate(allocation);
}

Now, the child of the Gtk::Bin assume all widgets :-)

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<div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div><div>I missed : <a \
href="https://developer.gnome.org/gtkmm/stable/classGtk_1_1Widget.html#a3a373b58ed5a05fd28d6dadd70d8f39b" \
target="_blank">https://developer.gnome.org/gtkmm/stable/classGtk_1_1Widget.html#a3a373b58ed5a05fd28d6dadd70d8f39b</a><br>


</div><div>And : <a href="https://git.gnome.org/browse/gtk+/tree/gtk/gtkbutton.c?h=gtk-3-8" \
target="_blank">https://git.gnome.org/browse/gtk+/tree/gtk/gtkbutton.c?h=gtk-3-8</a><br><br></div><div><br></div>I \
solve my problem with :<div class="im"> <br><br>
void Timeline::on_size_allocate(Gtk::Allocation &amp;allocation)<br>{<br>    \
Gtk::Bin::on_size_allocate(allocation);<br><br></div>    // instead of <br>    \
//get_child()-&gt;set_allocation(allocation);<br></div>    // use<br> <div>
    get_child()-&gt;size_allocate(allocation);<br>}<br><br></div><div>Now, the child \
of the Gtk::Bin assume all widgets :-)<br></div></div> </div></div>



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