I see. Thank you very much for the clear explanation. And while I'll fix my
baby class :) I'll also look at Fl_Tile for future use.
> On 06/05/11 15:08, anon wrote:
> > Hello again from the heart of the endless questions :)
> >
> > I have a window containing two boxes, a left one, and a right one. These
> > boxes are supposed to be resized by subclassing the Fl_Window and
> > reimplemting the handle() method such that when the mouse is pushed on the
> > borderline between the two a variable is set to DRAG state and and
> > subsequent drag events depending on that variable resizes the two boxes and
> > so on.
>
> Sounds like you've already done the work yourself, but
> note this is what Fl_Tile is good for.
>
> Chec out the test/tile program, and note you can move all of
> the inner box's borders around by dragging them. It handles
> all the dragging stuff for you. May save you some work in the future.
>
> Or, yes, you can do it yourself, but be sure to..
>
> > Now the propblem is that as soon as I drag the window (not the borderline
> > between the boxes) the boxes immediately resize back to the last dimensions
> > before this first window resize. I really do have no clue at this point
> > what can be the cause for this, but clearly I'm not either subclassing
> > properly or I've gotten my event management at handle() level "pretty"
> > wrong.
>
> ..call init_sizes() for the parent group after making changes
> to your box positions + sizes.
>
> So if you have something like:
>
> MyWindow::resize(..) {
> // custom widget resizing stuff
> init_sizes(); // call this before returning..!
> }
>
> If you reposition widgets inside a group (note: windows derive from
> Fl_Group)
> you need to call init_sizes() so that the group knows the new positions
> of the widgets when you're done. This internally causes the window to
> make
> a snapshot of the size relationships of the children, so it can maintain
> them as the window is resized.
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