Attachment 582 Details for Bug 5322 – test program

test program

prog-1.cc (text/plain), 1.18 KB, created by Pierre Ossman on 2014-10-23 11:27:01 CEST

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Creator: Pierre Ossman

Created: 2014-10-23 11:27:01 CEST

Size: 1.18 KB

patch

obsolete

>// Written by Ch. Tronche (http://tronche.lri.fr:8000/)
>// Copyright by the author. This is unmaintained, no-warranty free software. 
>// Please use freely. It is appreciated (but by no means mandatory) to
>// acknowledge the author's contribution. Thank you.
>// Started on Thu Jun 26 23:29:03 1997
>
>//
>// Xlib tutorial: 1st program
>// Make a window appear on the screen.
>//
>
>#include <X11/Xlib.h> // Every Xlib program must include this
>#include <X11/Xutil.h>
>#include <assert.h>   // I include this to test return values the lazy way
>#include <unistd.h>   // So we got the profile for 10 seconds
>#include <stdio.h>
>
>#define NIL (0)       // A name for the void pointer
>
>main()
>{
>      Display *dpy = XOpenDisplay(NIL);
>      assert(dpy);
>      XVisualInfo *info_out, info_in;
>      int nitems;
>      info_in.visualid = 0x4d;
>      info_out = XGetVisualInfo(dpy, VisualIDMask, &info_in, &nitems);
>      assert(nitems == 1);
>      assert(info_out);
>      Window w = XCreateWindow(dpy, DefaultRootWindow(dpy), 0, 0, 
>			       200, 100, 0, 
>			       CopyFromParent, CopyFromParent, info_out->visual,
>			       NIL, 0);
>      XMapWindow(dpy, w);
>      for(;;) {
>	    XEvent e;
>	    XNextEvent(dpy, &e);
>      }
>}

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