I had only tested it on jconsole, I think it is better to check for event using SDL_WaitEvent
On Fri, Dec 4, 2020, 2:16 AM Thomas McGuire <tmcguir...@gmail.com> wrote: > Thanks Bill it worked like a charm I changed > SDL_CreateWindow =: (SDLDLL, ' SDL_CreateWindow * &c i i i i i')&cd > > To: > SDL_CreateWindow =: (SDLDLL, ' SDL_CreateWindow * *c i i i i i')&cd > > And the garbage in the SDL2 created window title is gone. I don’t know why > I put the ‘&' in there, as most of the calls in the DLL wrapper use regular > pointers. > > ——————— > > Michael Day wrote: > " think you've already said you can't close the graphic yet” > > That latest script I sent with the timer routine picks up the > SDL_QuitEvent at least under MacOS. The window will disappear. The problem > now is I have to close and reopen the entire J session to make it work > again. If I call the function to display the window, the birdie appears but > no events get picked up and the window will stay open. Kill J and restart, > the window appears and will disappear when you press the built in quit > button on the window header. > > Tom McGuire > > > > On Dec 3, 2020, at 11:43 AM, bill lam <bbill....@gmail.com> wrote: > > > > Garbage because the string is not null terminated. Use *c instead &c > unless > > you know what you are doing. > > > > On Thu, Dec 3, 2020 at 8:53 PM 'Michael Day' via Programming < > > programm...@jsoftware.com> wrote: > > > >> Thanks - I've been trying to get this to work in J902 under Windows. > >> Partial success > >> at last today with these latest text-files. > >> > >> Please note that each text script has two gratuitous extra lines, those > in > >> the J-forum message footer: > >> <<---------------------------------------------------------------------- > >> For information about J forums see http://www.jsoftware.com/forums.htm > >> > >> > >> I needed to change these OS- or installation-dependent definitions: > >> > >> NB. in your sdl2.txt, renamed to ...ijs ... > >> NB. SDLDLL =: '/usr/local/lib/libSDL2.dylib' > >> SDLDLL =: 'c:/sdl2/sdl2.dll' > >> > >> NB. and in your sdlbmpevtex.txt renamed to ...ijs ... > >> NB. WAS :- load '~/j902-user/temp/sdl2.ijs' > >> load '~user/sdl2.ijs' > >> .... > >> NB. WAS:- bmpsurf=: {. SDL_LoadBMP > >> <'/Applications/j902/addons/graphics/bmp/toucan.bmp' > >> bmpfile=. fullname_j_'~addons/graphics/bmp/toucan.bmp' > >> bmpsurf=: {. SDL_LoadBMP < bmpfile > >> > >> I eventually saw the birdie once I'd got that last path correct after > >> some earlier mistakes. > >> > >> I think you've already said you can't close the graphic yet. I don't > >> know about linux or unix, but > >> in this Windows OS, the only way to close it appears to use "End Task" > >> in Windows Task Manager; > >> Task Manager shows the graphic/s as subtask/s - closing this/one of > >> these closes the whole J session. > >> > >> My latest Toucan has garbage in its title: "SDL2 from J�����⎕ {club}∨" > >> (approximately) > >> suggesting there might be some problem with the &c argument to > >> SDL_CreateWindow. The added > >> characters seem to be arbitrary, as might be expected if the length is > >> wrong. > >> > >> But the Toucan appeared! I'm old enough to remember the Guinness (I > >> think) ad's slogan, along the > >> lines of "Toucan do what toucan do." > >> > >> Cheers, > >> > >> Mike > >> > >> > >> On 03/12/2020 01:04, Thomas McGuire wrote: > >> > >> > >> -- > >> This email has been checked for viruses by Avast antivirus software. > >> https://www.avast.com/antivirus > >> > >> ---------------------------------------------------------------------- > >> For information about J forums see http://www.jsoftware.com/forums.htm > >> > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
