On 10/26/2010 1:03 AM, Raindog wrote:
> Hello,
>
> I'm trying to use a WTabWidget to implement a navigation tool bar
> (basically a horizontal menu, where when a tab is clicked, it loads
> different content. The problem I have is that the way that WMenu and
> WTabWidget work is that you create a menu/tab item, and then pass in a
> WWidget* that you want to have displayed when the user clicks the menu
> item and the menu control itself takes care of positioning the widget
> either below or to the side of the menu.
>
> What I want to do is to be able to take control of where the widget is
> positioned on the page without regard to the position of the actual menu
> itself, so what I did was I passed in NULL pointers to the addTab, I
> stored the index along with the widget i wanted associated with that tab
> and connected the currentChanged event to a handler, that would look up
> the widget from a std::map, remove the old widget from being displayed,
> and add in the new widget.
>
> Like this:
>
> void navBarChanged(int tabClicked)
> {
> Wt::WLayoutItem *item = layout->itemAt(Wt::WBorderLayout::Center);
> layout->removeItem(item);
> layout->addWidget(tabbedControls[tabClicked],
> Wt::WBorderLayout::Center);
> }
>
> layout is a WHBoxLayout.
>
> My goal is to make my navigation bar decoupled from the rest of the
> layout of the site and make one main component responsible for all
> layout logic.
>
> However, after implementing the solution I described, I discovered that
> removing and a new item to the layout does not actually cause it to be
> displayed.
>
> Any suggestions on how to go about dynamically adding and removing
> content to a layout?
>
> Thanks.
>
>
>
So I've done some more searching and it looks like what I would really
need is the ability to set the WStackedWidget in WTabWidget to one that
I have already constructed, and hence can give to a layout of my
choosing. Since the parts of the WTabWidget interface that are important
are private, besides copy paste and creating a MyTabWidget, does anyone
have any other suggestions that I can do to accomplish this?
Thanks.
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