Re: Custom container widget - childs drawn in top-left corner of window

["Tristan Van Berkom" <tristan van berkom gmail com>]

On Dec 15, 2007 8:46 AM, Stephan Arts <stephan xfce org> wrote:

> Hi,
>
> I am having an issue with a new container widget I am writing. I have
> overridden the size_request and size_allocate methods.[0]
>
> For some reason, the children are all rendered in the top-left corner
> of the main window. Not even near the container.
[...]

> >    child_allocation.x = allocation->x + border_width;
> >    child_allocation.y = allocation->y + border_width;
> >    child_allocation.width = 70 - border_width;
> >    child_allocation.height = 70 - border_width;


Looks like you ignored the allocation here and just assigned 70...

>    /*
> >    if (GTK_WIDGET_REALIZED (widget))
> >    {
> >        gdk_window_move_resize (widget->window,
> >                              allocation->x + border_width,
> >                              allocation->y + border_width,
> >                              allocation->width - border_width * 2,
> >                              allocation->height - border_width * 2);
> >  }
> >    */


And your problem is here, since you never moved your GdkWindow to
where it is supposed to be, it is infact still at its default location at
the
top-left corner of its parent window.

Cheers,
                 -Tristan