Nice, this dog food make all a bit happier.. ;o)
Jan Stary <h...@stare.cz>: > Dear all, > > the day has come when I need to do some elementary programming > (open a window and draw pixels into it). I started with chapter 27 > from Stevens: Advanced UNIX Programming, being my favourite author, > but the examples seem to be a bit outdated, at least the manpages > of the X functions describe a slightly different interface. > At any rate, the example below does not open a window. > > I am looking at > https://www.x.org/releases/current/doc/libX11/libX11/libX11.html > next, but do people have a favourite X programming intro? > > BTW, the manpage for XSetStandardProperties() > doesn't seem to exist on my current/arm64. > > Jan > > > > #include <unistd.h> > #include <stdio.h> > #include <err.h> > > #include <X11/Xlib.h> > #include <X11/Xutil.h> > > int > main(int argc, char** argv) > { > Display* display; > XSizeHints hints; > Window window; > > int screen; > unsigned long white; > unsigned long black; > > if ((display = XOpenDisplay(NULL)) == NULL) { > /* err() is not usefull here, these are not system errors. > * Does X11 have any arror reporting framework? */ > errx(1, "Error getting Display"); > } > > screen = DefaultScreen(display); > white = WhitePixel(display, screen); > black = BlackPixel(display, screen); > > hints.x = 300; > hints.y = 500; > hints.width = 200; > hints.height = 100; > hints.flags = PPosition | PSize; > > window = XCreateSimpleWindow(display, DefaultRootWindow(display), > hints.x, hints.y, hints.width, hints.height, 10, white, black); > > XSetStandardProperties(display, window, "wname", "iname", None, > NULL, 0, &hints); > > /*XMapWindow(display, window);*/ > XMapRaised(display, window); > > while (1) { > sleep(1); > } > > XDestroyWindow(display, window); > XCloseDisplay(display); > > return 0; > } Dan ------ Blog: http://bsd.gaoxio.com - Repo: https://code.5mode.com Please reply to the mailing-list, leveraging technical stuff.
