Does Not Actually Support The Qt3 Use Flag

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Gentoo Forums :: View topic - Way to hack qt3 ebuilds to ...

    https://forums.gentoo.org/viewtopic-p-4214216.html
    Sep 19, 2007 · Compile Qt3 app with Qt4 is not just about linking with Qt3 support in Qt4 because you must change a lot of thing in the code : the classes used to do the compatibility are named "Q3...", so in your whole code, you must rename your classes.

Mailing List Archive: Qt3 deprecation and removal policy

    https://lists.gt.net/gentoo/dev/204138
    Dec 30, 2009 · > My systems don't use qt3 use flag since six months ago, but using > qt3support USE FLAG. It's sane keep this flag set in make.conf? Absolutely. That useflag is also enabled by default in the desktop profile, because KDE4 depends on it. Qt3support is a Qt4 module and does not depend on qt:3. It is used to make it easier for developers

gentoo-dev - Qt3 deprecation and removal policy

    http://gentoo.2317880.n4.nabble.com/Qt3-deprecation-and-removal-policy-td35605.html
    If you use KDE or anything else that depends on the qt3support use flag, then it is a requirement. qt3support isn't Qt3, it is just an extra part of the Qt4 api for easing Qt3 -> Qt4 porting.

qt - Port Qt3Support to Qt4 - Stack Overflow

    https://stackoverflow.com/questions/17574815/port-qt3support-to-qt4
    Some classes (like QTextEdit and QTextBrowser) have a completely different API. I've ported some code from Qt 3 to Qt 4, but not to Q t5. Thanks for your information :) However it's better if it's from Qt4 to Qt5... There is no Qt3Support in Qt5, and no need of a Qt4Support because there are …

c++ - How to unset a flag in Qt? - Stack Overflow

    https://stackoverflow.com/questions/45413555/how-to-unset-a-flag-in-qt
    setFlags does not raise more flags to one, it just completely overwrites all flags with specified ones. And this is not only how flags work in Qt, it's how bitwise operations work in C++ in general. Most APIs (including Qt) just use this behavior to implement flags abstraction.

Transparent Backgrounds in Qt 4.1

    https://doc.qt.io/archives/qq/qq16-background.html
    The purpose of Qt::WA_NoSystemBackground is to speed up drawing by removing unnecessary background initialization, but it is often misinterpreted as a way to make the widget background transparent. Keep in mind that although the widgets are stacked on top of each other, the parent widget does not actually paint underneath child widgets.

USE flag - Gentoo Wiki

    https://wiki.gentoo.org/wiki/USE_flag
    USE flags are keywords that embody support and dependency-information for a certain concept. They are a core feature of Gentoo, and a good understanding of how to deal with them is needed for administering a Gentoo system.

Urban Dictionary: QT3.14

    https://www.urbandictionary.com/define.php?term=QT3.14
    It's mathematics slang for cutie pie.Seeing as 3.14 is the value of pi, well actually 3.141593 is probably closer even though it's an infinite number so 3.14 will do, but yeah you can catch my drift.

[Solved] Porting from Qt3 to Qt4 - qt3porting.xml file not ...

    https://forum.qt.io/topic/9306/solved-porting-from-qt3-to-qt4-qt3porting-xml-file-not-found
    "Error: Could not find the q3porting.xml rule file: Please try specifying the location of the file with the -rulesFile option". So I tried to find the location of the q3porting.xml file in the QtSDK folder. What I tried was I did a search for the q3porting.xml file across the entire QtSDK folder, however the search came up with no results.

General and Desktop Qt Forum

    https://forum.qt.io/category/10/general-and-desktop
    General and Desktop ... I really don't understand UNSOLVED Problem with rendering the japanese and chinese language in html ... Repeat the test. Test this over network as well. I would start with the "Scene Graph - Graph" example. It does not use model view. I have built my own custom version of this example that eats data from an audio source ...



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