Re: [Interest] the path forward

On Thu, 1 Apr 2021 at 18:56, Jason H wrote: > I've called Qt "top secret rockstar tech" multiple times and I plan on > calling it that for a bit more. I've had 5 companies buy licenses since > 2005. Qt has delivered on getting my products to market in record time, > even if that was a process

Re: [Interest] QML: Strange "binding loop detected" message

OK, I've just refactoring it in this way and the problem is solved now. It's sad that it's impossible to use self-variable in the binding without getting boring warnings... propertyintspeedColumnHoveredWidth:0 onCurrentTimeChanged:updateSpeedColumnHoveredWidth()

[Interest] iOS and openGL

Hi, I have a QWidget app running on many platforms including iOS, using QGraphicsScene/View, Qt 5.15.2. The scene can contains many items, be rotated, etc. We enable openGL QGraphicsview's viewport as it is stated in the documentation, i.e. QOpenGLWidget *gl = new QOpenGLWidget();

Re: [Interest] QtQuick over Qt3D (Qt 5.15)

Hello Konstantin, On 4/3/21 3:09 AM, Konstantin Shegunov wrote: On Thu, Apr 1, 2021 at 8:40 AM Paul Lemire > wrote: Hello Paul, Hello, It sounds to me like Scene2D is what you want as it renders a QtQuick scene into an offscreen texture which can then

Re: [Interest] QML Image size vs sourceSize strange things

The icons provided from the system also go through a similar process of choosing the right size for what you request. If you request something specific by setting the sourceSize you will affect this, so please just set widht/heigth, as that should work. (If it doesn’t please file a bug with a

[Interest] Empty QML ListView after filtering QSortFilterProxyModel

Hello all, I use the setFilterRole(), setFilterFixedString() function and so on. The application is a QML application where the business logic is written in C++. After setting the filter, I run in a for loop over the Model and Print the items for debugging purpose, which works fine. The

[Interest] Empty QML ListView after filtering QSortFilterProxyModel

Hello all, I use the setFilterRole(), setFilterFixedString() function and so on. The application is a QML application where the business logic is written in C++. After setting the filter, I run in a for loop over the Model and Print the items for debugging purpose, which works fine. The

Re: [Interest] QtQuick over Qt3D (Qt 5.15)

On Thu, Apr 1, 2021 at 8:40 AM Paul Lemire wrote: > Hello Paul, > Hello, > It sounds to me like Scene2D is what you want as it renders a QtQuick > scene into an offscreen texture which can then be applied to a Qt 3D mesh. > Unfortunately it can only be used from QML. > > That being said,

Re: [Interest] the path forward (or is it "how the things look"?)

I'm going to vent my perspective as a non-professional programmer who just wants to do GUI on a cross platform hobby project and is relatively new to Qt. So, to start. ReactJS/Electron. Yes, everybody is doing it because I guess the ratio of frontend devs to C++ programmers is 100:1. Now,

Re: [Interest] Interest Digest, Vol 114, Issue 38

On Thursday, 1 April 2021 07:50:31 PDT Scott Bloom wrote: > That doesn’t mean that Qt cant support it, its that Qt needs to be able to > compile without it. And if you cant, rev the major version As explained, that's not the driver for major version number. We rev the major number only and

[Interest] Simplest way of dynamically updating a texture to be displayed on a shader material

Hi, I have a material that is painting a texture. The texture was created with window()->createTextureFromImage Let’s say that now I want to update that image at 60 frames per second. This might not be a very efficient way of doing it. What would be the simplest way of creating a texture

[Interest] Force Qt Quick application to use Nvidia chip rather then Intel chip (Windows)

Hi, I’m working on a application that requires intensive usage of graphics card. While running it in Windows I have found through task manager that the GPU being used is the Intel and not the Nvidia. How can we tell the application to use the Nvidia chip instead of the Intel chip? Thanks!

[Interest] no_check_exist is now fatal?

I'm transitioning to 5.15.2 from 5.11. It seems that now, qmake install rules with config no_check_exist became fatal. Previously, they generated errors, but the build kept going. Now the builds seem to stop at the first error. Was this change conscient? (was the previous behaviour considered a

Re: [Interest] Are Qt.transparent and "transparent" different colors?

> On 27 Mar 2021, at 14:40, Giuseppe D'Angelo via Interest > wrote: > > On 27/03/2021 11:58, Alexander Dyagilev wrote: >> Hmmm... What is this enum for then? > > In C++ APIs, it's used in QColor's constructor. > > In QML, enumeration types are strange beasts (and I wish they weren't), >

[Interest] QML: Strange "binding loop detected" message

Hello, I have a table. I change one column's size when user hovers it. Each row in this column can require different "hovered" width. And I would like it to return back in 3 seconds after mouse pointer left it. So, I use this: property bool viewSpeedColumnHovered: false property int 

Re: [Interest] Are Qt.transparent and "transparent" different colors?

On 07/04/2021 12:09, Tor Arne Vestbø wrote: Yes, please file a bug about this. https://bugreports.qt.io/browse/QTBUG-92588 Cheers, -- Giuseppe D'Angelo | giuseppe.dang...@kdab.com | Senior Software Engineer KDAB (France) S.A.S., a KDAB Group company Tel. France +33 (0)4 90 84 08 53,

Re: [Interest] the path forward (or is it "how the things, look"?)

On 4/12/21 5:14 AM, Thiago Macieira wrote: Roland is asking we don't, but it's simply not an option for the Open Source project. So we have two choices: It is an option. Notably not a pleasant one. Please read previous message discussing Abstraction and "Naperville divorce." When XCB

Re: [Interest] the path forward - that 7 year thing - was, , , willy-nilly

On 4/2/21 5:00 AM, Thiago Macieira wrote: I would expect Qt to query the version of X being used, say multi-touch isn’t supported so the app cant support it. If my customer complained that multi-touch works on the Windows, and CentOS 7 boxes, but not CentOS 6. The reasoning is clear, the

Re: [Interest] the path forward - that 7 year thing - was, , , willy-nilly

On 12/04/2021 13:59, Roland Hughes wrote: On 4/2/21 5:00 AM, Giuseppe D'Angelo wrote: (Is there a conflict of intents here because of the massive support to the Qt Project? I can't see how -- if anything, one could say that the commercial decisions may drive the decisions in the Qt Project,

[Interest] Futur of Qt Webengine in Qt 6

Hi all, i wonder what are the plans for Qt Webengine in Qt 6. While webkit has been removed and replaced by webengine, there is still no replacement supported by the mingw compiler yet. As a commercial customer it was disappointing enought this happened within a minor release but even more to

Re: [Interest] the path forward - that 7 year thing - was, , , willy-nilly

On 4/2/21 5:00 AM, Giuseppe D'Angelo wrote: (Is there a conflict of intents here because of the massive support to the Qt Project? I can't see how -- if anything, one could say that the commercial decisions may drive the decisions in the Qt Project, certainly NOT that the Qt Project has the

[Interest] Send Data to JavaScript

I'm attempting to send data to the JavaScript side of the QWebEngine code. This data is being emitted via a signal. The registration is connected correctly as other components work just fine, though they're emitting only a single int or QString. An example of what I'm attempting is below:

Re: [Interest] [EXTERNAL] Re: Send Data to JavaScript

Il 12/04/21 15:56, John Schneiderman ha scritto: On 12.04.2021 15:35, Giuseppe D'Angelo via Interest wrote: Are you sure about the transformation? Only certain data types are supported for the C++ <-> QML data exchange, and I don't believe the one you're using is: I'm not using QML in this

Re: [Interest] cmake build issues

Hi, I think you might be misreading the log. The build log snippet that you posted seems to be a config test, which is fine if it fails on certain platforms. You should try to scroll through the log to see the real failure reason. Or attach the full log to some service and share it so we can

Re: [Interest] the path forward

On 4/2/21 1:27 PM, Benjamin TERRIER wrote: For the visibility, well it's quite easy to spot. For example, qt-project.org is just a redirect to https://www.qt.io/developers I have really good news for you then Benjamin :)

Re: [Interest] the path forward

On 4/2/21 5:00 AM, Stottlemyer, Brett (B.S.) wrote: Roland's view is extreme. It may_sound_ reasonable, but if you look, you will find it isn't reasonable. His definition of "stable" is being able to update the Qt version, but on a 15 year old piece of hardware that is using a 15 year old

Re: [Interest] the path forward

On 4/2/21 5:00 AM, interest-requ...@qt-project.org wrote: Are there lists other than Develop and Interest? Splitting this one might help. One to discuss future changes civilly, one for support, one for flames and arguments... https://forum.qt.io/category/10/general-and-desktop

Re: [Interest] Send Data to JavaScript

On 12/04/2021 15:17, John Schneiderman wrote: What I'm expecting is that mappings would be transformed on the JavaScript side as: mappings {     "key" : ["abc", "def"]... } However, when I try to view the data in the emitted signal it's always null. Any suggestions where I should look for

Re: [Interest] [EXTERNAL] Re: Send Data to JavaScript

On 12.04.2021 15:35, Giuseppe D'Angelo via Interest wrote: Are you sure about the transformation? Only certain data types are supported for the C++ <-> QML data exchange, and I don't believe the one you're using is: I'm not using QML in this particular case. I'm using QWebEngine and

Re: [Interest] iOS and openGL

> On 10 Apr 2021, at 09:02, maitai wrote: > > Hi, > > I have a QWidget app running on many platforms including iOS, using > QGraphicsScene/View, Qt 5.15.2. The scene can contains many items, be > rotated, etc. > > We enable openGL QGraphicsview's viewport as it is stated in the >

Re: [Interest] cmake build issues

On Thursday, 8 April 2021 12:18:30 PDT Nibedit Dey wrote: > Hello Everyone, > > I am following the below steps to build Qt 6.0.3 from the source. However, > it fails in CMake build step with multiple header file inclusion issues. I > tried it on both macOS and Linux. I faced similar issues. > >

Re: [Interest] Qt 5.6 Qt labs controls porting to QtQuick2 controls

> -Original Message- > From: Interest On Behalf Of Ramakanth > Kesireddy > Sent: Thursday, 1 April 2021 3:10 AM > To: Qt Interest > Subject: [Interest] Qt 5.6 Qt labs controls porting to QtQuick2 controls > > Hi, > > As we used Qt 5.6 Qt labs controls 1.0 in our Qml application and

[Interest] Future of Qt Location (mapping solutions) in Qt 6

Hi all, just wanted to bring some attention to the fact that it is still unclear if the Qt Location module (which gives plotting of geographical maps) will be included in Qt 6 at all. For our use-case it's a complete show-stopper if it disappears (especially using the mapbox-gl plugin) and we

[Interest] cmake build issues

Hello Everyone, I am following the below steps to build Qt 6.0.3 from the source. However, it fails in CMake build step with multiple header file inclusion issues. I tried it on both macOS and Linux. I faced similar issues. - $ tar xvf qt-everywhere-src-6.0.3.tar.xz - $ cd

Re: [Interest] the path forward - that 7 year thing - was, , , , willy-nilly

On 4/12/21 8:56 AM, interest-requ...@qt-project.org wrote: >And who's "you" here? And how exactly did that sabotage a commercial contract between you and whoever entity gives you commercial support on RHEL6? The "you" would be whoever participated in the decision to drop RHEL 6. That

Re: [Interest] the path forward (or is it "how the things, look"?)

On Mon, 12 Apr 2021, Roland Hughes wrote: > Again, ripping XCB out won't be a free effort even if the new library is > free as in beer, but the current situation with XCB is kind of at the > heart of everything when one steps back for a few days. And this very well MUST be. I’m using Qt

Re: [Interest] Futur of Qt Webengine in Qt 6

On Montag, 12. April 2021 13:20:36 CEST Frank Hemer wrote: > Hi all, > > i wonder what are the plans for Qt Webengine in Qt 6. > > While webkit has been removed and replaced by webengine, there is still no > replacement supported by the mingw compiler yet. > As a commercial customer it was

Re: [Interest] Send Data to JavaScript

On 4/12/21 8:56 AM, John Schneiderman wrote: I'm attempting to send data to the JavaScript side of the QWebEngine code. This data is being emitted via a signal. Here's a link to an old tutorial. https://myprogrammingnotes.com/communication-c-javascript-qt-webengine.html Your little Demo was

Re: [Interest] Send Data to JavaScript

Have you tried with a QVariantMap for your Q_PROPERTY instead? Will be dull to convert from QVAriant to list and string for each values, but will probably work. Jérôme Godbout, B. Ing. Software / Firmware Team Lead O: (418) 682-3636 ext.: 114 C: (581) 777-0050

Re: [Interest] the path forward (or is it "how the things, look"?)

On 4/12/21 10:47 AM, Thorsten Glaser wrote: On Mon, 12 Apr 2021, Roland Hughes wrote: Again, ripping XCB out won't be a free effort even if the new library is free as in beer, but the current situation with XCB is kind of at the heart of everything when one steps back for a few days. And