Bill, isn't that the same as Andrew has written? I can't see how it stops pclose killing the last window created (PFormhwnd), whichever window is cancelled by the user.
On Tue, May 17, 2011 at 5:58 AM, bill lam <[email protected]> wrote: > Sorry typo, s/missed/mixed/ > > Втр, 17 Май 2011, bill lam писал(а): >> You observation should be correct, jwplot recyle window. The problem >> seemed only present when jwplot is missed with jzplot. that is, the >> following should work, >> >> load 'plot' >> P0=:conew 'jzplot' >> P1=:conew 'jzplot' >> P2=:conew 'jzplot' >> plot__P0 i.20 >> plot__P1 *:i.20 >> plot__P2 %:i.20 >> >> Втр, 17 Май 2011, Ian Clark писал(а): >> > Nobody's answered you yet, Andrew...! >> > >> > I was hoping someone who knows would, because I too have run into the >> > problem. And I haven't had time to look into it properly yet. >> > >> > But it seems that 'plot' (unlike 'viewmat') has a sneaky technique to >> > avoid successive 'plot'-calls creating new windows. Instead the >> > existing window is painted with a new picture. >> > >> > This militates against its use as a class which you can instantiate to >> > make several independent windows in the way you're trying to do. Even >> > though plot.ijs itself instantiates jzplot to make jwplot: the working >> > locale. >> > >> > But see how it does it... >> > >> > Look at pclose, for instance -- the handler that gets run when you >> > close the plot window. It expects to find the window handle in a >> > global: PFormhwnd --which resides in the class-locale: jzplot --as >> > does pclose itself. So there is only one window handle, which points >> > to the last plot-window opened. >> > >> > In contrast, a "proper" JWD class-instance, eg of locale jijs, owns >> > its own independent window, and has its own handle SMHWNDP to find it. >> > To see this, create a new IJS window with Ctrl-N, cocurrent the >> > numbered locale just created (=the highest number) and inspect its >> > contents. There's hardly anything in it *but* SMHWNDP (plus the stuff >> > to show in that window). >> > >> > I guessed I was going to have to hack jzplot to bend it to my will. >> > Namely, to permit several independent copies of the plot window. The >> > IJS window shows the way, with its numbered locale. >> > >> > Best of luck if you want to go down that route. In a month or so, when >> > I get round to it, I'll let you know how I got on, if you're still >> > keen to know. >> > >> > >> > On Thu, May 12, 2011 at 1:55 PM, Andrew Nikitin <[email protected]> wrote: >> > > >> > > When I do this in J601: >> > > >> > > load 'plot' >> > > P0=:conew 'jzplot' >> > > P1=:conew 'jzplot' >> > > plot__P0 i.20 >> > > plot__P1 *:i.20 >> > > plot %:i.20 >> > > >> > > I get 3 plot windows (some of them are on top of each other, have to >> > > move around to see). >> > > Then if I try to close the %:i.20 window either by clicking on X in its >> > > top right corner, or by keyboard shortcut alt+F4, it closes i.20 window >> > > first, then *:i.20 window next and only then it closes the window I >> > > asked to close. >> > > I do not see anything obviously wrong with pclose_jzplot_, where is >> > > the catch? >> > > >> > > ---------------------------------------------------------------------- >> > > For information about J forums see http://www.jsoftware.com/forums.htm >> > > >> > ---------------------------------------------------------------------- >> > For information about J forums see http://www.jsoftware.com/forums.htm >> >> -- >> regards, >> ==================================================== >> GPG key 1024D/4434BAB3 2008-08-24 >> gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3 > > -- > regards, > ==================================================== > GPG key 1024D/4434BAB3 2008-08-24 > gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3 > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
