<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">2014-10-16 11:53 GMT+02:00 Annick Fron <span dir="ltr"><<a href="mailto:list@afceurope.com" target="_blank">list@afceurope.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="word-wrap:break-word">Hi Eliot,<div><br></div><div>Thank you. Meanwhile I have tried to use only pointers to structs by writing some C code.</div><div><br></div><div>I confirm that in Pharo you can load FFI and OldAlien in the ConfigurationBrowser.</div><div>Yet it seems both FFI and Alien versions in the ConfigurationBrowser are behind the squeak repositories. </div><div>I did not try if the new versions worked.</div><div><br></div><div>I have posted some time ago an example for X11 windows on Linux, and I never got an answer why it was failing.</div></div></blockquote><div><br></div><div>actually I did answer ;) <a href="http://forum.world.st/FFI-on-Linux-again-td4780236.html">http://forum.world.st/FFI-on-Linux-again-td4780236.html</a><br></div><div>and you changed the argument "ourWindow" to "ourWindow xid" like I proposed. But yes,<br>actually this didn't help, I guess. You still get the error "bad argument" ?<br><br></div><div>My next bet would be:<br></div><div>Maybe we cannot mix Alien calls with (old) FFI structures (display is a externalstructure defined for FFI).<br><br></div><div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="word-wrap:break-word"><div><br></div><div>It was the following</div><div>testGetOurWindowLocation<br> "self new testGetOurWindowLocation"<br><br> | display ourWindow aParent anX anY aWidth aHeight aBorderWidth aDepth |<br> display := X11Display XOpenDisplay: nil.<br> ourWindow := display ourWindow.<br> (Alien lookup: 'XGetGeometry' inLibrary: 'X11')<br> primFFICallResult: nil<br> withArguments:<br> {display.<br> ourWindow xid.<br> (aParent := Alien new: 4).<br> (anX := Alien new: 4).<br> (anY := Alien new: 4).<br> (aWidth := Alien new: 4).<br> (aHeight := Alien new: 4).<br> (aBorderWidth := Alien new: 4).<br> (aDepth := Alien new: 4)}.<br> (anX unsignedLongAt: 1) inspect.</div><div><br></div><div>Has anybody looked at Wayland (replacement of X11) on Linux ?</div><div><br></div><div>Annick</div><div><br><div><div>Le 15 oct. 2014 à 19:18, Eliot Miranda <<a href="mailto:eliot.miranda@gmail.com" target="_blank">eliot.miranda@gmail.com</a>> a écrit :</div><div><div class="h5"><br><blockquote type="cite"><div dir="ltr">Hi Annick,<div class="gmail_extra"><br><div class="gmail_quote">On Wed, Oct 15, 2014 at 7:57 AM, Annick Fron <span dir="ltr"><<a href="mailto:list@afceurope.com" target="_blank">list@afceurope.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">What is the syntax to describe an external structure with an array of int of size 6 ?<br><br>I know only the syntax<br><br>fields<br>^#(<br>(param1 ‘long’)<br>(param2 ‘long’)<br>(param3 ‘long’)<br>(param4 ‘long’)<br>(param5 ‘long’)<br>(param6 ‘long’)<br>)<br></blockquote><div><br></div><div>Hmm. Good question. It seems you can write</div><div><br></div><div>fields</div><div><span style="white-space:pre-wrap"> </span>"IAXCallStateEvent defineFields"</div><div><span style="white-space:pre-wrap"> </span>^#(</div><div><span style="white-space:pre-wrap"> </span>(type 'long')</div><div><span style="white-space:pre-wrap"> </span>(callNo 'long')</div><div><span style="white-space:pre-wrap"> </span>(state 'long')</div><div><span style="white-space:pre-wrap"> </span>(format 'long')</div><div><span style="white-space:pre-wrap"> </span>(vformat 'long')</div><div><span style="white-space:pre-wrap"> </span>(remote 'char[256]')</div><div><span style="white-space:pre-wrap"> </span>(remoteName 'char[256]')</div><div><span style="white-space:pre-wrap"> </span>(local 'char[256]')</div><div><span style="white-space:pre-wrap"> </span>(localContext 'char[256]')</div><div><span style="white-space:pre-wrap"> </span>)</div><div><br></div><div>But as a community we really need to document the FFI more thoroughly :-/</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><span><font color="#888888"><br>Annick<br></font></span></blockquote></div><br><br clear="all"><div><br></div>-- <br>best,<div>Eliot</div></div></div></blockquote></div></div></div></div><div><div>Le 15 oct. 2014 à 19:18, Eliot Miranda <<a href="mailto:eliot.miranda@gmail.com" target="_blank">eliot.miranda@gmail.com</a>> a écrit :</div><div><div class="h5"><br><blockquote type="cite"><div dir="ltr">Hi Annick,<div class="gmail_extra"><br><div class="gmail_quote">On Wed, Oct 15, 2014 at 7:57 AM, Annick Fron <span dir="ltr"><<a href="mailto:list@afceurope.com" target="_blank">list@afceurope.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">What is the syntax to describe an external structure with an array of int of size 6 ?<br>
<br>
I know only the syntax<br>
<br>
fields<br>
^#(<br>
(param1 ‘long’)<br>
(param2 ‘long’)<br>
(param3 ‘long’)<br>
(param4 ‘long’)<br>
(param5 ‘long’)<br>
(param6 ‘long’)<br>
)<br></blockquote><div><br></div><div>Hmm. Good question. It seems you can write</div><div><br></div><div>fields</div><div><span style="white-space:pre-wrap"> </span>"IAXCallStateEvent defineFields"</div><div><span style="white-space:pre-wrap"> </span>^#(</div><div><span style="white-space:pre-wrap"> </span>(type 'long')</div><div><span style="white-space:pre-wrap"> </span>(callNo 'long')</div><div><span style="white-space:pre-wrap"> </span>(state 'long')</div><div><span style="white-space:pre-wrap"> </span>(format 'long')</div><div><span style="white-space:pre-wrap"> </span>(vformat 'long')</div><div><span style="white-space:pre-wrap"> </span>(remote 'char[256]')</div><div><span style="white-space:pre-wrap"> </span>(remoteName 'char[256]')</div><div><span style="white-space:pre-wrap"> </span>(local 'char[256]')</div><div><span style="white-space:pre-wrap"> </span>(localContext 'char[256]')</div><div><span style="white-space:pre-wrap"> </span>)</div><div><br></div><div>But as a community we really need to document the FFI more thoroughly :-/</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<span><font color="#888888"><br>
Annick<br>
</font></span></blockquote></div><br><br clear="all"><div><br></div>-- <br>best,<div>Eliot</div>
</div></div>
</blockquote></div></div></div><br></div></blockquote></div><br></div></div>