[maemo-developers] [maemo-developers] Help! Enlightenment on MAEMO / Nokia770

[From: Seb Dev]

>
> Hello,
>
> I try to run a binary on a nokia 770. I have a problem, maybe some of you
> can help me :-)
>
> My program initialises an evas (enlightenment) that uses the X11 software
> engine using this code :
>
>    Window              win;
>    XSetWindowAttributes attr;
>    XClassHint          chint;
>
>    disp = XOpenDisplay(NULL);
>    *if* (!disp)
>    {
>       printf("Error: cannot open display.\n");
>       exit(-1);
>    }
>
>    attr.backing_store = NotUseful;
>    attr.colormap = DefaultColormap(disp, DefaultScreen(disp));
>    attr.border_pixel = 0;
>    attr.background_pixmap = None;
>    attr.event_mask = ExposureMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask |StructureNotifyMask |KeyPressMask;
>    attr.bit_gravity = ForgetGravity;
>
>
>   win = XCreateWindow(disp, DefaultRootWindow(disp), 0, 0, win_w, win_h, 0,
>       DefaultDepth(disp, DefaultScreen(disp)), InputOutput,
>       DefaultVisual(disp, DefaultScreen(disp)),
>       CWBackingStore | CWColormap |
>       CWBackPixmap | CWBorderPixel |
>       CWBitGravity | CWEventMask, &attr);
>
>    XSetClassHint(disp, win, &chint);
>
> #if 0
>    szhints.flags = PMinSize | PMaxSize | PSize | USSize;
>    szhints.min_width = szhints.max_width = win_w;
>    szhints.min_height = szhints.max_height = win_h;
>    XSetWMNormalHints(disp, win, &szhints);#endif
>
>    XMapWindow(disp, win);
>    XSync(disp, False);
>
>   **
>    evas_init();
>
>    evas = evas_new();
>    evas_output_method_set(evas, evas_render_method_lookup("software_x11"));
>    evas_output_size_set(evas, win_w, win_h);
>    evas_output_viewport_set(evas, 0, 0, win_w, win_h);
>
>  {
>       Evas_Engine_Info_Software_X11 *einfo;
>
>       einfo = (Evas_Engine_Info_Software_X11 *) evas_engine_info_get(evas);
> **
>       einfo->info.display = disp;
>       einfo->info.visual = DefaultVisual(disp, DefaultScreen(disp));
>       einfo->info.colormap = DefaultColormap(disp, DefaultScreen(disp));
>       einfo->info.drawable = win;
>       einfo->info.depth = DefaultDepth(disp, DefaultScreen(disp));
>       einfo->info.rotation = 0;
>       einfo->info.debug = 0;
>       evas_engine_info_set(evas, (Evas_Engine_Info *) einfo);
>    }
>
>
>
> This program works well in PC environment and in scratchbox MAEMO
> environment, but I have a segmentation fault when I launch it on Nokia 770
> on line
> einfo->info.display = display;
>
> I don't understand why, maybe because of the X11 software engine ?
>
> (NB) Before launching the program, I have to make a
> export DISPLAY=:0
>
> Thanks a lot for your response,
>
> Seb Dev
>
>
>
>
>
>
>
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