Re: Accessing children on Gtk::Notebook

[gig-raf <dbrandt db-cc de>]

Murray Cumming-5 wrote:
> 
> On Thu, 2012-01-26 at 06:24 -0800, gig-raf wrote:
>> void exampleWindow::on_button_modifyTabContent()
>> {
>>     // I want to access the "elements" on the notebook.page. But how
>> do I do
>> that?
>>     //Gtk::Widget* pTest =
>> m_Notebook.get_nth_page(m_Notebook.get_current_page());
>> 
>>     .....
>> }
> 
> This should work fine. Maybe you are confused that you get a
> Gtk::Widget* back rather than the Gtk::VBox* that you added. You should
> use dynamic_cast<> to get a Gtk::VBox*. Do use an if() to check it for
> null before using it.
>> 
> 
> Hi Michael, thanks for helping out... 
> 
> Sorry for asking but could perhaps show me how this should be done. Assume
> I have Just one Gtk::Label on the notebook.page()[1]. I want to change the
> text of that label on the first page.
> 
> ...
>     Gtk::Widget* pWidget = m_Notebook.pages()[1].get_child();
>     Gtk::Label* pLabel = dynamic_cast<Gtk::Label*> (pWidget);
> 
>     pLabel.set_text("fofo");
> ....
> 
> Is this possible? or will I HAVE to pot all my widgets inside a VBox or
> similar container prior putting it in my notebook tab?
> 
>> 
> -- 
> Murray Cumming
> murrayc murrayc com
> www.murrayc.com
> www.openismus.com
> 
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> 

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