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List: pykde
Subject: [Resolved] Re: No MainWindow after refactoring
From: Axel Rau <Axel.Rau () Chaos1 ! DE>
Date: 2021-06-25 16:40:15
Message-ID: 0445C62F-2A0B-4BBF-8C6C-EC6B05F249BC () Chaos1 ! DE
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Hello David,
> Am 25.06.2021 um 13:28 schrieb David Boddie <david@boddie.org.uk>:
>
> On Wed Jun 23 22:49:16 BST 2021, Axel Rau wrote:
>
>> Source can be checked out here:
>> git clone git at codeberg.org <mailto:git at codeberg.org>:ajr/zad.git
>>
>> This version runs the DNS stuff until completion but does not display the
>> MainWindow, only the app icon. It requires a network connection.
>
> It looks like the main window will be destroyed before the application's
> event loop runs.
>
> In https://codeberg.org/ajr/zad/src/branch/master/zad/views/main.py you
> create an instance of ZaMainWindow and configure it, but you don't return it
> to the calling function or keep a reference to it, so it will be garbage
> collected.
That's it.
No magic in Qt.
It seems I missed the basics of oop here. (-;
Thanks a lot,
Axel
---
PGP-Key: CDE74120 ☀ computing @ chaos claudius
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<html><head><meta http-equiv="Content-Type" content="text/html; \
charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; \
line-break: after-white-space;" class="">Hello David,<br class=""><div><br \
class=""><blockquote type="cite" class=""><div class="">Am 25.06.2021 um 13:28 \
schrieb David Boddie <<a href="mailto:david@boddie.org.uk" \
class="">david@boddie.org.uk</a>>:</div><br class="Apple-interchange-newline"><div \
class=""><div class="">On Wed Jun 23 22:49:16 BST 2021, Axel Rau wrote:<br \
class=""><br class=""><blockquote type="cite" class="">Source can be checked out \
here:<br class=""><span class="Apple-tab-span" style="white-space:pre"> </span>git \
clone git at <a href="http://codeberg.org" class="">codeberg.org</a> <mailto:git \
at <a href="http://codeberg.org" class="">codeberg.org</a>>:ajr/zad.git<br \
class=""><br class="">This version runs the DNS stuff until completion but does not \
display the<br class="">MainWindow, only the app icon. It requires a network \
connection.<br class=""></blockquote><br class="">It looks like the main window will \
be destroyed before the application's<br class="">event loop runs.<br class=""><br \
class="">In <a href="https://codeberg.org/ajr/zad/src/branch/master/zad/views/main.py" \
class="">https://codeberg.org/ajr/zad/src/branch/master/zad/views/main.py</a> you<br \
class="">create an instance of ZaMainWindow and configure it, but you don't return \
it<br class="">to the calling function or keep a reference to it, so it will be \
garbage<br class="">collected.<br class=""></div></div></blockquote></div><div \
class=""><br class=""></div>That's it.<div class="">No magic in Qt.</div><div \
class="">It seems I missed the basics of oop here. (-;</div><div class=""><br \
class=""></div><div class="">Thanks a lot,</div><div class="">Axel<br class=""><div \
class=""> <div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); \
letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; \
white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; \
text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: \
after-white-space;" class=""><div dir="auto" style="caret-color: rgb(0, 0, 0); color: \
rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; \
text-transform: none; white-space: normal; word-spacing: 0px; \
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-webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="color: \
rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; \
text-transform: none; white-space: normal; word-spacing: 0px; \
-webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; \
line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); \
letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; \
white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: \
break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div \
style="color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; \
font-variant-ligatures: normal; font-variant-position: normal; font-variant-caps: \
normal; font-variant-numeric: normal; font-variant-alternates: normal; \
font-variant-east-asian: normal; font-weight: normal; letter-spacing: normal; \
line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; \
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-webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; \
line-break: after-white-space;" class=""><div class="">---<br \
class="">PGP-Key: CDE74120 ☀ computing @ chaos \
claudius</div></div></div></div></div></div> </div>
<br class=""></div></body></html>
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