trying to put the GeoMap into a scrollview based on its returned size is something that i don't really recommend. the world we are rendering is too big, to be put into reasonably sized scrollbars.
regards, stepan -------- Original-Nachricht -------- > Datum: Thu, 10 May 2012 09:33:08 -0600 > Von: Matthew Hall <[email protected]> > An: Nebula Dev <[email protected]> > Betreff: Re: [nebula-dev] computeSize in Control > The computeSize method should report the minimum size needed by the > control. Expanding the control to fill available space is the > responsibility of the container control, using layout data hints. > > -Matthew > On May 10, 2012 8:25 AM, "Hallvard Trætteberg" <[email protected]> wrote: > > > Hi, > > > > I have been looking at implementing computeSize in GeoMap, so it "grabs" > > more space than the minimum when there are no constraints. I test it by > > creating an anonymous subclass in GeoMapViewer's constructor. First I > tried > > > > public GeoMapViewer(Composite parent, int flags) { > > this(new GeoMap(parent, flags) { > > @Override > > public Point computeSize(int wHint, int hHint, > > boolean changed) { > > int w = (wHint != SWT.DEFAULT ? wHint : > > Integer.MAX_VALUE); > > int h = (hHint != SWT.DEFAULT ? hHint : > > Integer.MAX_VALUE); > > return new Point(w, h); > > } > > }); > > } > > > > The idea is to indicate that ideally GeoMap wants as much space as > > possible. I was pretty surprised that the wish for Integer.MAX_VALUE > width > > and height was granted, in the sense that getSize() reported these > > dimensions not that the layout actually gave it that much space. This > gave > > problems in the paint method, so I reduced the value from > Integer.MAX_VALUE > > to 256 * 8. > > > > Two question: > > - (how) can the computeSize method say that it wants as much as > possible, > > but can accept nothing? > > - why isn't the size returned by getSize() actually reduced to the > visible > > size instead of the value asked for by computeSize? > > > > Hallvard > > ______________________________**_________________ > > nebula-dev mailing list > > [email protected] > > > https://dev.eclipse.org/**mailman/listinfo/nebula-dev<https://dev.eclipse.org/mailman/listinfo/nebula-dev> > > -- Stepan Rutz Phone: +49 (0) 178 654 9284 Email: [email protected] Earth: Brunnenallee 25a, 50226 Frechen, Germany Empfehlen Sie GMX DSL Ihren Freunden und Bekannten und wir belohnen Sie mit bis zu 50,- Euro! https://freundschaftswerbung.gmx.de _______________________________________________ nebula-dev mailing list [email protected] https://dev.eclipse.org/mailman/listinfo/nebula-dev
