Re: [Interest] Performance of QGraphics[View Scene] changes with zoom

On 18 May 2016 at 15:57, Lisandro Damián Nicanor Pérez wrote: > Before I try to code a stripped-down version of my issue I would like to > describe it in case I'm missing something obvious. > > I have an app with a QGraphicsScene that holds a vehicle which is constantly > moving at a fixed rate (~

Re: [Interest] qt5 embedded using uitools

On quinta-feira, 12 de maio de 2016 15:22:17 PDT Kyle Yost wrote: > I am trying to use Qt5 using uitools library on uclinux. I can compile > the library but doesn't see to include the right path. I do a qmake and > get the Error > Project ERROR: Unknown module(s) in QT: uitools. Is it recommended

Re: [Interest] Why int for size() of containers instead of quint32?

On quarta-feira, 18 de maio de 2016 22:04:41 PDT André Pönitz wrote: > Both signed-vs-unsigned, and 32bit-vs-sizeof(size_t) have been discussed > before on this and sibling lists multiple times. Please check the > archives. > > Arguments that keep coming up: > [cut] > 6. Proof-by-guru: >B.S:

Re: [Interest] Why int for size() of containers instead of quint32?

> Sent: Wednesday, May 18, 2016 at 4:04 PM > From: "André Pönitz" > To: "Николай Шатохин" > Cc: "interest@qt-project.org" > Subject: Re: [Interest] Why int for size() of containers instead of quint32? > > On Tue, Mar 29, 2016 at 10:29:38PM +0300, Николай Шатохин wrote: > > Hello. > > > > I se

Re: [Interest] Why int for size() of containers instead of quint32?

On Tue, Mar 29, 2016 at 10:29:38PM +0300, Николай Шатохин wrote: > Hello. > > I see that Qt uses int type many times in containers implementations? Why? > Why do you not use your own quint32? Why do you using signed and platform > dependent type for this purpose? Both signed-vs-unsigned, and 32bi

Re: [Interest] [Development] Qt World Summit call for papers open

Hi, In addition to the Qt World Summit, I would like to remind you about QtCon. There will be the Qt Contribution summit hapening there, but it is also some kind of substitute for the fact that there will not be devdays or QtWS in europe this year. Any talk that is relevant for the technical tra

[Interest] QtCon Call for Papers extended

Hi, The deadline for the QtCon call for paper was extended to the 22nd of May. https://qtcon.org/cfp --- This is a Call for Papers to a unique event. KDE Akademy, Qt Contributors' Summit, FSFE Summit, KDAB and VideoLAN Dev Days have come together to create QtCon 2016, Sept 1 - 4, 2016,

Re: [Interest] Qt5 C++ Widgets and Animated ListView

Hi, Am 17.05.2016 um 21:21 schrieb Simone: You mean that with QListView i have natively the scrolling by finger with deceleration and bouncing effect? I need exactly the same result as the QML ListView component. I remember to have used a flickcharm on widgets a few years ago. I don't know i

[Interest] qt5 embedded using uitools

I am trying to use Qt5 using uitools library on uclinux. I can compile the library but doesn't see to include the right path. I do a qmake and get the Error Project ERROR: Unknown module(s) in QT: uitools. Is it recommended to use the uitools for uclinux? Thanks, Kyle ___

[Interest] LocalStorage - WebView - QML

Hi everybody, This is my first participation. How to enable LocalStorage in QML WebView for Android? Regards, ___ Interest mailing list Interest@qt-project.org http://lists.qt-project.org/mailman/listinfo/interest

[Interest] Using Qt3D with the Oculus SDK

Hello, I am working on a project that requires that I use Qt3D with the OculusVR sdk. The issue i am having is the inability to know when it is the end of a frame in the rendersystem so i can submit the scene's rendertexture to the ovr sdk. The obvious solution would be to use the QRenderAspect in

[Interest] [Qt3d]Using texture with transparency as material on PlaneMesh

Hi, I want to create something like painting on glass effect using texture with transparency. What is the best way to do that in Qt3D? I wondering if only way is to create custom material with shaders etc. Regards, Mateusz ___ Interest mailing list Inte

[Interest] Qt installer framework

Hi, Is there any form to change the language to the default pages in the installer? I've seen that in SDK code exists a translation in the file es.ts but It doesn't translate or I'm doing something wrong. Thanks in advance. -- Isaac Garcia ___ Interes

Re: [Interest] Qt 5.5 LinuxFb Plugin with Base Layer Transparency

Hello Jack, > Our application requires that we blend 3 layers with 3 framebuffers on a TI > device. The base layer is opaque video, the middle layer is video blended > on top of the base layer with a global alpha channel that we need to be > able to modify on the fly, and a top GUI layer with tran

[Interest] Detecting QString encoding errors

Greetings all, Is it possible to detect errors while encoding a QString from char*? Here's the case: I get a string as a char* form an external library (on which I don't have any control). This string can use either UTF8 encoding, or "local8bit" encoding - thus may vary from a user to the other

[Interest] Signal Slot Ordering (or Not)

In a simple setup ( One sender object with a signal, One receiver with a slot, argument is sequence number, both objects running in a single thread ) some unexpected behaviour (at least for me) is noticed. The connect between the mentioned signal / slot is done with Qt::DirectConnection. According

Re: [Interest] login.qt.io down => cannot install Qt

Thank you for your answer. It was not working from at least 05:00 GMT to 06:00 GMT. It was working again at 08:00 GMT. Login.qt.io wasn't working from either the Maintainance Tool or the browser. Blog.qt.io wasn't working from the browser. The main webpage www.qt.io was working though. Good

[Interest] Qt and Unity

Hi everybody, Does anybody have experience using Qt with Unity. We've coded a fairly large architecture with the plan to use QML, but we're doing UI/UX through a 3rd party company and they use Unity. With the research I've done it looks like there are three options 1) Use the Qt code as a plugin

[Interest] QJSEngine replacement for QScriptEngine misses newFunction

Hi, I am looking into migrating my code to QJSEngine, because of the deprecation of the QScriptEngine (QtScript). As we have used the functionality of newFunction very extensive and all related scripts are depending on this, the newFunction in QJSEngine is for us mandatory or something that cre

Re: [Interest] [Qtwebengine] Inject QWebChannel and/or JQuery into QWebEnginePage

Hi, You don't have to inject QWebChannel.js every time if you use QWebEngineScriptCollection in your QWebEngineProfile. Here is a sample code from my project: const char s_qWebChannelAdditionalScript[] = "new QWebChannel(qt.webChannelTransport, function(channel) {"

Re: [Interest] qtwebview with qtwebchannel

On Thursday, April 7, 2016 9:38:01 AM CEST Sylvain Pointeau wrote: > Hello, > > Do you have any idea how to use WebSocket or WebChannel on iOS? > Should I conclude that we cannot do hybrid apps with Qt on iOS (works on > desktop, don't know about Android)? I'm not an iOS person but the problem yo

Re: [Interest] CLion to replace QtCreator?

On Tuesday, April 05, 2016 05:18:08 PM Emre Besirik wrote: > Some of the lacking features are smart autocomplete maybe At least with QtCreator 4.0 beta most issues are resolved for me. What exactly do you mean by "smart"? > Ctrl+K like search but improved in a better UI I watched https://www.yout

Re: [Interest] CLion to replace QtCreator?

On Tuesday, April 05, 2016 04:19:42 PM NoMercy wrote: > That QtCreator is eons behind current technology and trends, isn't it very > obvious? No! Absolutely not. QtCreator is a really great IDE. Very lightweight, but still very powerful. Simply using the "Esc" button is a single fantastic feature

[Interest] Performance improvement using Qt Quick Compiler

Hello, I'm creating an application that must be able to manage effectively a lot of panels/dialogs (500 and more) and in this moment I'm focusing in performance problems using Qt.createComponent and Qt.createObject APIs. In particular I'm investigating if the use of Qt Quick Compiler can improv

Re: [Interest] CLion to replace QtCreator?

I don't know what I'm doing wrong but the new compile-time-checked syntax is auto-completed by my Qt Creator (that came with Qt 5.5.1) as well :) and you're a bit blunt on not recommending the older syntax. Apparently you haven't spent enough time with QML. On Mon, Apr 4, 2016 at 2:41 AM -0

[Interest] Qt 5.5 LinuxFb Plugin with Base Layer Transparency

Hello, Our application requires that we blend 3 layers with 3 framebuffers on a TI device. The base layer is opaque video, the middle layer is video blended on top of the base layer with a global alpha channel that we need to be able to modify on the fly, and a top GUI layer with transparency. Thi

Re: [Interest] CLion to replace QtCreator?

Not sure what I'm doing wrong but auto-completion for connect() does work for me. Moreover, I don't expect CLion to be able to work with SIGNAL() and SLOT() notation without Qt-aware plugin. I might expect CLion to rule them all in some indefinite future but very hardly at the moment. Disclaimer

Re: [Interest] qtwebview with qtwebchannel

On Thursday, March 31, 2016 4:46:58 PM CEST Allan Sandfeld Jensen wrote: > On Thursday 31 March 2016, Sylvain Pointeau wrote: > > On Tue, Mar 29, 2016 at 10:24 AM, Sylvain Pointeau < > > > > sylvain.point...@gmail.com> wrote: > > > On Tue, Mar 29, 2016 at 8:31 AM, Kalinowski Maurice < > > > > > >

[Interest] Why int for size() of containers instead of quint32?

Hello. I see that Qt uses int type many times in containers implementations? Why? Why do you not use your own quint32? Why do you using signed and platform dependent type for this purpose? Best regards, Nick ___ Interest mailing list Interest@qt-project

[Interest] qt 5.7 qt3d scene editor

Hello. I try to build qt-labs-qt3d-editor ( https://github.com/qtproject/qt-labs-qt3d-editor), but cannot. When I start buildind I'm having errors. Could you please tell what's wrong? ..\qt-labs-qt3d-editor-master\src\editorviewportitem.cpp: In constructor 'FrameBufferObjectRenderer::FrameBufferO

[Interest] QT Gtk3 style

Do you have plans to support gtk3 styles? ___ Interest mailing list Interest@qt-project.org http://lists.qt-project.org/mailman/listinfo/interest

[Interest] Qt3D face culling

Hi, we are developing a desktop application with 3D graphics using Qt3D. We have run into some issues when using the Qt3DRender.CullFace settings in the Qt3DRender.StateSet module. Basically we have an open surface which was correctly rendering the front, but not the back face. We then added the

[Interest] Inclusion suggestion - Fwd: [Qt-Quick] GridStar layout for QML

-- Forwarded message -- From: "Casey Sanchez" Date: Mar 2, 2016 11:40 AM Subject: [Qt-Quick] GridStar layout for QML To: Cc: I've created a grid layout that I find to be more functional than the default that is provided. For full documentation please see: https://forum.qt.io/top

[Interest] Performance of QGraphics[View Scene] changes with zoom

Before I try to code a stripped-down version of my issue I would like to describe it in case I'm missing something obvious. I have an app with a QGraphicsScene that holds a vehicle which is constantly moving at a fixed rate (~10 times per second). Every time it moves it draws some polygons behi

[Interest] C++/QML Sequence Type to JavaScript Array

In docs http://doc.qt.io/qt-5/qtqml-cppintegration-data.html mentioned: "Certain C++ sequence types are supported transparently in QML as JavaScript Array types. In particular, QML currently supports: QList QList QList QList and QStringList QList Other sequence types are not supp

Re: [Interest] Showcase Item in QML

Should be pretty easy with graphical effects' OpacityMask   Sent: Wednesday, May 18, 2016 at 2:06 PM From: "Majid Kamali" To: interest@qt-project.org Subject: [Interest] Showcase Item in QML Hi. How can I create some showcase item in QML? something like https://github.com/deano2390/MaterialSho

Re: [Interest] [QT3D] Mesh sizes

Sean Harmer answered this question already: http://lists.qt-project.org/pipermail/interest/2016-April/022292.html > At the moment, no. This is something we may well add for 5.8. > For now you'll need to calculate it yourself or pass it in as metadata somehow. __

[Interest] [QT3D] Mesh sizes

Is there a way to get the boundary or size of a mesh? I have two uses, first to position my proportional fonts in 3d space as they vary in size. Secondly, and not as important, a boundary box to show selection of objects. I can always deduce that from my scaling though but still would be more con

[Interest] Showcase Item in QML

Hi. How can I create some showcase item in QML? something like https://github.com/deano2390/MaterialShowcaseView ___ Interest mailing list Interest@qt-project.org http://lists.qt-project.org/mailman/listinfo/interest

Re: [Interest] Questions about scaling

> > > > I've attached an example what I mean. > > The image with the blue background is the QML app. > > I'm not sure what I am looking at. They look the same to me. That bar is > drawn by the OS, not you, so the only variation is it's color. Oh, I see. I attached a composite image of the two

Re: [Interest] Questions about scaling

> Sent: Wednesday, May 18, 2016 at 11:44 AM > From: NoRulez > To: "Qt Project MailingList" > Subject: Re: [Interest] Questions about scaling > > No one? > > It look really ugly. > > I've attached an example what I mean. > The image with the blue background is the QML app. I'm not sure what

Re: [Interest] Questions about scaling

No one? It look really ugly. I've attached an example what I mean. The image with the blue background is the QML app. Thanks in advance Regards > Am 16.05.2016 um 22:54 schrieb NoRulez : > > Hello, > > When I start my app on the device, then it seems that the screen is scaled, > becaus

[Interest] QML: How to dynamically create filter groups in DelegateModel based on another model?

Hello! I want to create a QML application where I have a bunch of Buttons that you can click on. These Buttons are categorized into groups. At the top of the page there are CategoryButtons. When you click on one of the CategoryButtons all the Buttons in that category appear on the page. The Butto

Re: [Interest] Problem with XCB and OpenGL

On Wednesday 18 May 2016 13:13:42 Calogero Mauceri wrote: > GLX no What OpenGL do you have? Any? You need the EGL (for OpenGL ES) or GLX for "desktop" OpenGL typically. Make sure configure can find those headers etc. Cheers, Sean -- Dr Sean Harmer | sean.har...@kdab.com | Man

[Interest] Problem with XCB and OpenGL

Hi all, My application is exiting with the following error whenever I try to use OpenGL QXcbIntegration: Cannot create platform OpenGL context, neither GLX nor EGL are enabled My desktop is Ubuntu 12.04 (32 bit). I configured Qt 5.6.0 with the following options ./configure -qt-zlib -sys