Re: How to get the widget's current width and height?

[Russell Shaw <rjshaw iprimus com au>]

John K Luebs wrote:
> On Tue, Nov 18, 2003 at 09:29:50AM -0500, Tom Liu wrote:
>
> > gdk_drawable_get_size(w->window,&wid,&hi); may work for the widget which
> > has a xwindow such as eventbox. For vbox, label, button etc. It will not work.
> > Can't believe there is no function to retrive size of widget?!
> There is a good reason for this. The size of a widget (it's allocation) 
> is dynamic (can be changed by the user, WM, etc.), so having a function
> to query the current size would just facilitate writing fundamentally
> broken code. There's no point in getting a value that could become
> invalid the moment you return to the mainloop.
>
> As another poster has told you, you should connect to size-allocate.
> This way you know that you always have the correct size, and can react
> appropriately.
>
> You should also take a moment to think about why you need the size.
> Are you sure this is not something you can do in a more
> straightforward manner using the packing mechanisms?

widget->allocation.width,
widget->allocation.height