Re: [Development] Time to switch to android-clang

On 2017-12-19 16:18, Thiago Macieira wrote: On terça-feira, 19 de dezembro de 2017 03:25:17 PST Sergio Martins wrote: Furthermore, supporting both android and android-clang is a maintenance burden: the mkspecs are often broken, either because of a new Qt version or because of a new NDK version

[Development] Time to switch to android-clang

Hi all, We need to start offering pre-built android binaries built with android-clang and bump our minimum supported NDK version. gcc on android is pretty much dead since 2016: "GCC is no longer supported. It will be removed in NDK r18. libc++ is now the default STL for CMake and

Re: [Development] [Bug] QOpenGLWidget::grab() not behaving properly

On 2017-11-29 16:02, Jose Fernandez Navarro wrote: Hello, I have a QOpenGLWidget object where I draw using both OpenGL and QPainter. When I called grab() on the object prior 5.9.2 I would get a seg. fault. Now (5.9.2) I can grab the widget's image but the QPainter stuff is missing and actually

[Development] Nominating Christoph Schleifenbaum for Approver

Hi, I'd like to nominate Christoph Schleifenbaum for Approver. He's been with KDAB for 12 years and has done dozens of fixes for cocoa, widgets and item views. He' also one of the developers who worked on the Qt3DStudio port to Qt very recently.

Re: [Development] Clazy results for Qt codebase

On 2017-10-11 08:17, Eike Ziller wrote: On 10. Oct 2017, at 15:41, Sergio Martins <sergio.mart...@kdab.com> wrote: Oops, here's the non-internal URL: https://docs.kdab.com/analysis/qt5/clazy.html Thanks Mitch I’d be interested in seeing results for Qt Creator too :) Hi Eike, Here

[Development] Future of QBS

Hi, At the QtCS it was mentioned that maybe qbs could use JavaScriptCore and std:: types, at first I thought this was for making it easy for qbs to be a non-Qt project, but then I realized it was for boot-strapping purposes. I don't know if you have a vision, but given that most other build

Re: [Development] Clazy results for Qt codebase

Oops, here's the non-internal URL: https://docs.kdab.com/analysis/qt5/clazy.html Thanks Mitch On 2017-10-10 14:27, Sergio Martins wrote: Hi, KDAB is now running clazy over the Qt code base, you can check the results here: https://ci.kdab.com/~build/analysis/qt5/clazy.html Next step

[Development] Clazy results for Qt codebase

Hi, KDAB is now running clazy over the Qt code base, you can check the results here: https://ci.kdab.com/~build/analysis/qt5/clazy.html Next step is to figure out which sub-set we want to use in within qt-project, if we want to enforce any via CI, which ones we want to fix for Qt5 and which

Re: [Development] Nominating Andras Mantia for approver

On 2017-10-10 13:01, Rafael Roquetto wrote: Howdy, I would like to nominate Andras Mantia, a fellow colleague at KDAB, for approver status. Andras has been a key contributor in the develpment of the recently unveiled Qt3DStudio. His continuous involvement with the project and deep

Re: [Development] Should QFileSystemWatcher be thread-safe? (Qt 5.8.0)

On 2017-09-30 13:54, René J. V. Bertin wrote: Apart from this I'd suspect you will still get the SEGV if you do not block - even if the frequency changes. This points to you using some kind of pointer that is not properly controlled (e.g. sending a signal to a QFSW that is already deleted).

Re: [Development] [fix]: Assistant (and others) burning CPU because of #f27d1ccbb24ec2fd4098f2976503478831006cc8 ?

On 2017-08-30 23:13, Thiago Macieira wrote: Ok, so you found by git bisect (or similar) action. I was hoping you had some interesting way of debugging that the problem is timers constantly firing. I woder if GammaRay can give you a list of timers active in a thread and which objects it's

Re: [Development] Nominating Viktor Engelmann for Approver Status

On 2017-07-11 12:25, Simon Hausmann wrote: Hi, I'd like to propose Viktor for approver status. Since August last year he's been contributing to QtWebEngine full-time. Based on my experience talking to him and working with him, I trust him to review changes thoroughly and approve or reject

Re: [Development] Stepping down as QtDBus maintainer

On 2017-05-17 17:19, Thiago Macieira wrote: Since I am unable to fulfill my duties as maintainer, I am stepping down and opening the way up for someone else. Hi Thiago, Do you have an overview on what's the current state of the module ? Just so the next maintainer gets an idea of where to

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

On 2017-05-06 16:00, Thiago Macieira wrote: Someone could do that. I'd even appreciate just a backtrace from the deadlocked application. Have you asked the CI guys for such backtrace ? Why isn't there a JIRA issue for this ? Regards, -- Sérgio Martins | sergio.mart...@kdab.com | Senior

Re: [Development] abi breakage for qtwebengine libraries in 5.9

On 2017-05-05 11:00, Michal Klocek wrote: Hi With 5.8.0 we released web engine libs which export operator new , new[] , delete, delete[] globally, unfortunately the issue was not spotted in time. https://bugreports.qt.io/browse/QTBUG-60565 With 5.9.0 we plan to correct the issue,

Re: [Development] Proposal for Qt 5.10 platforms and configurations changes - SUMMARY

On 2017-05-04 15:18, Thiago Macieira wrote: Em quinta-feira, 4 de maio de 2017, às 06:58:53 PDT, Konstantin Tokarev escreveu: But we could have Linux clang configuration with clazy plugin. Why? Clazy is not part of our development philosophy. We should only do that after there's a QUIP

Re: [Development] Proposal for Qt 5.10 platforms and configurations changes - SUMMARY

On 2017-05-04 14:53, Thiago Macieira wrote: Em quinta-feira, 4 de maio de 2017, às 00:23:46 PDT, Heikki Halmet escreveu: Clang 4: Do we really need this to be tested with Linux in CI? If yes, then which configuration it will be replaced? I don't think we need to. The macOS builds should be

Re: [Development] QtWebKit is coming back (part 2)

On 2017-05-04 14:51, Konstantin Tokarev wrote: 03.05.2017, 17:27, "Sergio Martins" <sergio.mart...@kdab.com>: On 2017-05-03 15:02, Konstantin Tokarev wrote:  Remaining question is versioning. While it's fine to dub current  release "5.9" (but not 5.0, because w

Re: [Development] QtWebKit is coming back (part 2)

On 2017-05-03 15:02, Konstantin Tokarev wrote: Remaining question is versioning. While it's fine to dub current release "5.9" (but not 5.0, because we will have another WebKit update in 5.10 time frame), using Qt versions in QtWebKit has downsides: 1. It is not clear if 5.N+1 ships with the

Re: [Development] QHash iteration vs std::unordered_map

On 2017-04-20 18:06, Matthew Woehlke wrote: On 2017-04-16 10:44, Corentin wrote: If you want the same behavior, you can create a proxy for your associative container instance, with a custom iterator whose operator*() returns a std pair ( or a QPair ) - quite a bit of boilterplate code.

Re: [Development] Passing QSize, QPoint, QTime and other small structs by value

On 2017-04-07 14:02, Lars Knoll wrote: There might be a little catch with regards to structs containing members that are 8 bytes in size (aka quint64). Are those getting passed in registers on 32bit ARM? struct struct_16Bytes { unsigned long long first, second; }; unsigned long long

[Development] Passing QSize, QPoint, QTime and other small structs by value

Hi, Some time ago I documented the guidelines on passing by value vs const-ref: https://wiki.qt.io/API_Design_Principles#Passing_by_const-ref_vs._Passing_by_value This was discussed in #qt-labs at the time and informally +2'd there. But the reality is that passing small structs by value is

Re: [Development] Nominate Mike Krus as approver

On 2017-02-06 14:54, Alex Blasche wrote: There were no objections and maintainer of a module implies approver, so could somebody do the honours and grant Mike the rights please? The necessary period has long since passed. I am sorry but being the maintainer does not imply approver rights.

Re: [Development] Feature Freeze Exception: QStringView

On 2017-01-31 12:50, Philippe wrote: As far as I understand, I see a performance regression with QStringView, for all the cases where copy-on-write can't take place any longer. In the following code, an extra malloc is needed. Or am I wrong? void bar() { QString s("hello");

Re: [Development] Calendar Systems proposal

On 2017-01-02 11:01, Frédéric Marchal wrote: (...) There is more to it than converting a date to a string: * Add N days to a date. * Find the number of days in a month. * Compare two dates. * Count the number of days between two dates. Hi, Have you seen KCalendarSystem ?

Re: [Development] Nominating Konstantin Tokarev for Approver status

On 2016-12-05 12:23, Allan Sandfeld Jensen wrote: Hi all, I just noticed Konstantin Tokarev who has been doing most of the development, and practical maintenance of QtWebKit after it moved into "removed" state is still missing reviewer status. I suggest we correct this. +1 Regards, --

Re: [Development] Compile errors, Qt configured with -qreal float

On 2016-10-26 16:01, Thiago Macieira wrote: On quarta-feira, 26 de outubro de 2016 10:18:49 PDT Ola Røer Thorsen wrote: I'm getting compile errors building both Qt 5.6.2 and 5.8 beta from source when configuring Qt with -qreal float and building using g++ on Linux. The affected modules are

Re: [Development] std::atomic

On 2016-10-20 21:43, Thiago Macieira wrote: Em quinta-feira, 20 de outubro de 2016, às 17:28:39 PDT, Philippe escreveu: std::atomic is used as underlying implementation for the the Qt atomic API with CLang on Mac. But why not with Visual Studio 2015? You will certainly mention some bug, but

Re: [Development] Backporting the "stop unloading plugins" change to 5.6

On 2016-10-12 20:59, Thiago Macieira wrote: Hello We've got a number of issues that got fixed in 5.7 by the change that made QFactoryLoader stop unloading plugins (notably, the Network Manager bearer plugin). Given that QtDBus in 5.6 is now heavily threaded, a number of new issues have

Re: [Development] Managing branches of Qt's git modules

On 2016-09-30 11:39, Sean Harmer wrote: Hi, just a query as to how people do bulk checkouts of different branches when working with the Qt git modules. It would be nice to be able to use git submodule foreach ... but this is a problem because not all modules use the same branching scheme. So,

Re: [Development] Qt API review with clazy

On Sunday, 11 September 2016 21:43:46 WEST Jérémie Delaitre wrote: > Can the same checks be implemented in clang-tidy instead of having yet > another tool? clang-tidy now has boost specific checks so maybe they would > also accept a Qt specific module in there. I haven't been able to use

[Development] Qt API review with clazy

Hi, I've been developing a Qt oriented clang compiler plugin called clazy [1]. It has about 50 custom checks/warnings for common Qt and C++ mistakes. I would like to propose clazy to be used to sanitize API of new Qt modules. Of course, only a few of the 50 checks are relevant to API, so I

Re: [Development] Proposing Mike Krus as tvOS maintainer

On Tuesday, August 30, 2016 01:51:04 PM Tor Arne Vestbø wrote: > Hi all! > > Mike Krus was so kind to contribute support for Apple's tvOS to the > UIKit platforms, and I'd like to make it official that he's the tvOS > maintainer. Can't vote for maintainership as I'm not a maintainer, but +1 for

Re: [Development] Use of Standard Library containers in Qt source code

On Friday, 1 July 2016 11:36:56 WEST Thiago Macieira wrote: > Premises not under discussion: > > Qt source code is product and meant to be read by our users > Qt source code must be clean and readable > The above is not up for debate. > > For some time now, we've had a flurry of

Re: [Development] Video playback on Ubuntu 16.04

On Thursday, 2 June 2016 08:17:08 WEST Massimo Callegari via Development wrote: > Hi everyone, > > is it just me or QtMultimedia 5.6.0 video playback is quite broken on Ubuntu > 16.04 ? > > I think the reason is that Qt 5.6.0 (and 5.7.0 as well) are still built > against gstreamer 0.10, which

Re: [Development] commas in ctor-init-lists

On Wednesday, 1 June 2016 15:44:22 WEST Marc Mutz wrote: > On Wednesday 01 June 2016 15:15:17 Sergio Martins wrote: > > Subjective reasons against leading commas: > > - It's ugly > > > > Subjective reasons against trailling commas: > > - It's ugly > > I be

Re: [Development] commas in ctor-init-lists

On Wednesday, 1 June 2016 14:41:30 WEST Marc Mutz wrote: > Hi, > > There seems to have been a silent underground move to uglify the Qt sources > , by using commas to introduce lines > . I have no idea where this came from > , but it looks butt > -ugly and it is in violation of http >

Re: [Development] Qt 5.6 StyleSheet

On Tuesday, 31 May 2016 13:23:24 WEST Berkay Elbir wrote: > Hello All, > > I have a problem about Qt Stylesheets, I am using Qt 5.6 on windows.(This > problem does not exist in Qt 5.5.1) I use this code piece, this is a QLabel > inside a QDialog. > > ui.newGroupNameLabel->setStyleSheet("QLabel {

Re: [Development] QtMultimedia && QML - hard performance regressions on Windows

On Wednesday, 27 April 2016 12:37:26 WEST Denis Shienkov wrote: > Hi developers. > > I faced with a big problem with the video playback performance, when I try > to open the mp4 video file from any of QML video examples. I have a high > CPU loading (~40%) and the video is freezing and jerks. But

Re: [Development] Nominating Volker Krause for Approver status

On Wednesday, March 30, 2016 09:34:40 AM Sean Harmer wrote: > Hi All, > > I'd like to nominate Volker Krause for approver status. Volker is one of the > main authors of GammaRay, is very active in the Qt Automotive sphere where > he leads up KDAB's contributions, and has touched many parts all

Re: [Development] Qt Coding Guidelines

On Friday, March 18, 2016 10:46:41 AM Koehne Kai wrote: > > -Original Message- > > From: Development [mailto:development- > > [...] > > It remains that this document is expected to be quite stable, so there > > would be some sense to having a stable URL to which we routinely copy the > >

Re: [Development] [OS X] next Qt 5.6.0 question : Freetype (building with -fontconfig)?

On Friday, March 18, 2016 02:52:42 PM René J. V. Bertin wrote: > Till Oliver Knoll wrote: > > According to > > > > https://wiki.qt.io/New_Features_in_Qt_5.6 > > > > "Optional support for using FreeType on Mac OS X" is now available. > > Yeah, but apparently not exactly as planned: Where was

Re: [Development] [OS X] next Qt 5.6.0 question : Freetype (building with -fontconfig)?

On Saturday, March 19, 2016 12:50:26 PM René J.V. Bertin wrote: > What about fontconfig, is that library used on OS X when Qt is configured > with -fontconfig? I don't think so, see QCocoaIntegration::fontDatabase(), it returns QCoreTextFontDatabase inconditionally. Doesn't seem like much

Re: [Development] Qt Coding Guidelines

On Thursday, March 17, 2016 02:30:03 PM Koehne Kai wrote: (snip) > Completely orthogonal to this is though in which format the documents > are. You're specifically mentioning .qdoc, but I assume it wouldn't really > matter if it's Markdown (from the 'reusability' perspective)? If we keep these

Re: [Development] Qt Coding Guidelines

(snip) On Friday, March 18, 2016 08:48:52 AM Jedrzej Nowacki wrote: > So I think, that we should not discuss what is better qdoc or md. The real > discussion is about tooling, what is the best tool to sanitize Qt code. This thread is derailing. Kai wants to move a few wiki documents to git,

Re: [Development] Q_COMPILER_RANGE_FOR not supported by/defined for VS2012 and VS2013 ?

On Monday, February 29, 2016 07:40:07 PM Michael Möllney wrote: > Am 29.02.2016 um 19:15 schrieb Thiago Macieira: > > On segunda-feira, 29 de fevereiro de 2016 18:33:39 PST Michael Möllney wrote: > >> At least this is what can be found on: > >> http://en.cppreference.com/w/cpp/compiler_support >

Re: [Development] Supported platforms for Qt 5.8

On Tuesday, 23 February 2016 13:09:10 WET Thiago Macieira wrote: > On terça-feira, 23 de fevereiro de 2016 21:01:39 PST Sergio Martins wrote: > > On Monday, 22 February 2016 22:01:31 WET Thiago Macieira wrote: > > > On terça-feira, 23 de fevereiro de 2016 05:32:55 PST Tur

Re: [Development] Supported platforms for Qt 5.8

On Monday, 22 February 2016 22:01:31 WET Thiago Macieira wrote: > On terça-feira, 23 de fevereiro de 2016 05:32:55 PST Turunen Tuukka wrote: > > > Is Qt 5.7 going to be the *only* release to support WEC2013? > > > > No. Both Qt 5.6 and Qt 5.7 will support WEC13. > > Quoting you on your

Re: [Development] RFC: lambda or lambda return from lambda?

On Monday, February 01, 2016 11:08:54 AM Marc Mutz wrote: > Hi, > > We're seeing increasing use of lambdas in dev, and I'm a bit unhappy about > the result. > > E.g. (not picking on Anton here, I have done the same before): > > auto firstEqualsName = [](const QPair ) >

Re: [Development] RFC: more liberal 'auto' rules?

On Tuesday, 22 December 2015 15:06:34 WET Konstantin Tokarev wrote: > 22.12.2015, 14:50, "Bubke Marco" : > > Clazy is nice but it's under GPL so it's not possible to integrate it in > > the creator clang code model. But I think we need something like clazy > > for the

Re: [Development] RFF: nullptr rules

On Wednesday, 9 December 2015 14:29:19 WET Thiago Macieira wrote: > On Wednesday 09 December 2015 22:47:51 Marc Mutz wrote: > > > const char *ptr = 0; > > > > What we agreed on was for Q_NULLPTR. > > > > Some developers back then were complaining that the *macro* is ugly, and > > that by

Re: [Development] RFF: nullptr rules

On Wednesday, 9 December 2015 16:38:02 WET Joerg Bornemann wrote: > > - in some situations, it makes code easier to understand (: > > m_foo(nullptr)). > So nullptr is easier to understand, because assigning 0 to a pointer > variable didn't make clear that it now contains a null pointer? > If

Re: [Development] RFF: nullptr rules

On Wednesday, 9 December 2015 16:14:00 WET Marc Mutz wrote: > Arguments in favour: > - it's the C++ way of writing the null pointer constant these days > - we need to use it in headers, anyway, to allow people to use -Wzero-as..., > and it makes no sense to have two sets of rules for headers and

Re: [Development] QDateTime is missing shared null optimization

On Sunday, 2 August 2015 01:24:50 WET John Layt wrote: > It would require a lot of shuffling code around, as a lot of code is > in the d_ptr, it would horribly complicate things and there's the > potential for interesting corner cases, like say adding enough years > to a date to push it from one

Re: [Development] RFD: plugins vs QStringLiterals

On Thursday, November 05, 2015 11:44:33 AM Thiago Macieira wrote: > Proposal: force QStringLiteral uses to always address a heap-allocated > QString, instead of pointing to the static data. Possibly, this should be an > interned atom/quark à la GQuark, so two passes on the same QStringLiteral >

Re: [Development] Avoid overloading of 'error'

On Wednesday, June 10, 2015 01:55:01 PM Matthew Woehlke wrote: > On 2015-06-10 10:20, Koehne Kai wrote: > > Hi, > > > > I'm currently converting a codebase from old-style connects to new-style > > ones. Thanks to Qt Creator's refactoring support this is actually quite > > easy ... it gets ugly

Re: [Development] QNX and Dinkumware support for constexpr and nullptr

On Tuesday, October 27, 2015 04:40:07 PM Thiago Macieira wrote: > > From qcompilerdetection.h: > > # if defined(_HAS_DINKUM_CLIB) && !defined(_HAS_NULLPTR_T) > #undef Q_COMPILER_NULLPTR > # endif By the way, _HAS_DINKUM_CLIB is about the C library, not C++. Should be replaced with:

Re: [Development] QTBUG-48709: calling ::exit() may crash

On Wednesday, October 21, 2015 03:15:38 AM Robert Griebl wrote: > On 20.10.2015 17:56, Thiago Macieira wrote: > > ...because the application will unload the libraries while other threads > > are still running code from those threads. In the bug report, the crash > > happens because of the

[Development] Disabling thread safe static guards

Hi, Can we disable gcc's feature of emitting extra code to make local static initialization thread safe ? (-fno-threadsafe-statics) Since MSVC doesn't support it we can't rely on this feature in cross-platform Qt code (maybe only in QPA code). Generates uneeded code and helps hidding crashes

Re: [Development] Q_OBJECT and override

On Thursday, June 04, 2015 16:01:01 Aleix Pol wrote: Is it really that much work? I hear there's tools to do so [1] and it's the compiler telling whether it's correct or not. Aleix I've added Q_DECL_OVERRIDE to some kdepim libraries with clang-modernize and 5 minutes of my time. I also

Re: [Development] Marking BB10 unsupported

On Monday, March 23, 2015 13:59:11 Rafael Roquetto wrote: The plan is to keep the BB10 plugin around for now (just that we will no longer be officially supporting it), but eventually we plan to remove it completely from the Qt codebase in case no one looks after it. We will keep it around

Re: [Development] Problem loading plugins with gcc 4.9.2

On Tuesday, March 03, 2015 16:52:43 Thiago Macieira wrote: Since we're seeing both operator() and the innerFunction frames, I assume you compiled in debug mode. Correct? yes Anyway, I have GCC 4.9.2, Binutils 2.25.0 (using gold) and I cannot reproduce in either debug, regular release or

Re: [Development] Problem loading plugins with gcc 4.9.2

On Tuesday, March 03, 2015 11:45:49 Thiago Macieira wrote: On Tuesday 03 March 2015 13:55:29 Sergio Martins wrote: Hi, So that you don't waste time pulling your hair out: plugin loading is broken with gcc 4.9.2 There's some clash between global static QFactoryLoader instances

[Development] Problem loading plugins with gcc 4.9.2

Hi, So that you don't waste time pulling your hair out: plugin loading is broken with gcc 4.9.2 There's some clash between global static QFactoryLoader instances. Reproduced on Archlinux (and on Fedora by jpnurmi). Regards, -- Sérgio Martins | sergio.mart...@kdab.com | Software Engineer

Re: [Development] QTBUG-42038 also happens with wec2013 arm imx6 device

On Friday, December 12, 2014 17:47:16 Gunnar Roth wrote: I fix it by using #if defined(_M_ARM) // QTBUG-42038 , only talks about winrt but this also happens at least on wec2013 arm devices too, maybe even on ce 6/7. #pragma optimize(, off) #endif instead of #if defined(Q_OS_WINRT)

Re: [Development] Building Qt 5 in release mode with debug symbols

On Friday, October 10, 2014 11:39:33 Milian Wolff wrote: Hello all, once more I'm preparing a Qt 5 build for profiling purposes and wonder again why there is no way to combine -release and -debug in Qt's configure script. The only way to get a sane build for profiling Qt code itself that I

Re: [Development] The VS2008 WinCE errors

On Tuesday, February 11, 2014 12:59:45 Thiago Macieira wrote: Current tests are frequently showing the following error messages: c: \work\build\qt\qtbase\tests\auto\corelib\global\qtendian\tst_qtendian.cpp(14 0) : fatal error C1001: An internal error has occurred in the compiler. If this

Re: [Development] 8b7a8efe6 broke the dev branch

On Saturday, September 07, 2013 05:25:56 PM Mark wrote: Hi, While trying to update my Qt build i got this nasty unexpected error: http://paste.kde.org/p7c51188c/ Try http://bpaste.net/show/130243/ in qtmultimedia. Regards, -- Join us in October at Qt Developer Days 2013 -