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List:       pykde
Subject:    Re: [PyQt] Simple qml app hanging with PyQt5.7 x86_64 wheel on linux
From:       Russell Warren <russ () perspexis ! com>
Date:       2016-07-27 2:33:44
Message-ID: CAD91c16ry3wvwS3ZM+mcrMzV2RE1kxAJobpdabBk2NsMQPXPyg () mail ! gmail ! com
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>
> I don't think it has anything to with the wheels. It works fine if you use
> QQuickView. It would be interesting to see what a C++ version of the
> launcher would do.
>

You are right.  The problem was entirely mine. It was that using
QQmlApplicationEngine needs a visible root Window in the qml.

fwiw, this works fine with that launcher:

import QtQuick 2.3
import QtQuick.Window 2.2

Window {
    visible: true
    Rectangle {
        width: 200
        height: 100
        color: "red"
        Text {
            anchors.centerIn: parent
            text: "Hello, World!"
        }
    }
}

[Attachment #5 (text/html)]

<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><blockquote \
class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid \
rgb(204,204,204);padding-left:1ex"><div class=""><div class="h5"><span \
style="color:rgb(34,34,34)">I don&#39;t think it has anything to with the wheels. It \
works fine if you use QQuickView. It would be interesting to see what a C++ version \
of the launcher would do.</span></div></div></blockquote><div><br></div><div>You are \
right.   The problem was entirely mine. It was that using QQmlApplicationEngine needs \
a visible root Window in the qml.</div><div><br></div><div>fwiw, this works fine with \
that launcher:</div><div><br></div><div><div><font face="monospace, monospace" \
color="#0000ff">import QtQuick 2.3</font></div><div><font face="monospace, monospace" \
color="#0000ff">import QtQuick.Window 2.2</font></div><div><font face="monospace, \
monospace" color="#0000ff"><br></font></div><div><font face="monospace, monospace" \
color="#0000ff">Window {</font></div><div><font face="monospace, monospace" \
color="#0000ff">      visible: true</font></div><div><font face="monospace, \
monospace" color="#0000ff">      Rectangle {</font></div><div><font face="monospace, \
monospace" color="#0000ff">            width: 200</font></div><div><font \
face="monospace, monospace" color="#0000ff">            height: \
100</font></div><div><font face="monospace, monospace" color="#0000ff">            \
color: &quot;red&quot;</font></div><div><font face="monospace, monospace" \
color="#0000ff">            Text {</font></div><div><font face="monospace, monospace" \
color="#0000ff">                  anchors.centerIn: parent</font></div><div><font \
face="monospace, monospace" color="#0000ff">                  text: &quot;Hello, \
World!&quot;</font></div><div><font face="monospace, monospace" color="#0000ff">      \
}</font></div><div><font face="monospace, monospace" color="#0000ff">      \
}</font></div><div><font face="monospace, monospace" \
color="#0000ff">}</font></div></div><div><br></div><div><br></div></div> </div></div>


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