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Questions tagged [qt5.11]

Version 5.11 of the Qt library, that is a cross-platform application development application and UI framework. Tag this only for the issues with Qt 5.11 not other versions.

Version 5.11 of the Qt library, that is a cross-platform application development application and UI framework.

More information about new features in Qt 5.11 is here

14 questions
7
votes
2 answers

Why does Q_OBJECT break QDoc?

Problem Since the upgrade from Qt 5.10 to Qt 5.11 I have started having problems to generate a documentation with QDoc for my existing projects. One of the many issues are missing functions in the documentation, although the corresponding comments…
scopchanov
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2
votes
1 answer

Qt3D SceneLoader entity is not rendered

I'm trying to create a Qt3D prototype which is able to render an obj which contains transparent objects. Therefor I need to somehow incorporate QSortPolicy with a custom frame graph. I put together a few examples which I found on the internet…
iam_peter
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1
vote
0 answers

How to deactivate all widgets except one on form startup or show in PyQt5?

I have designed a QDialog form on which have placed different widgets to do some calculations. However, everything is working according to plans. Except that I want to disable all widgets except one for initial input. I want widgets to follow tab…
Kabaghe K. Andy
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1
vote
0 answers

AreaSeries only shows hovered

I need mouse move event in my chart(QChart) drawn using AreaSeries.In AreaSeries , it shows only 'hovered' event. How can i get a mouse move event in AreaSeries?? …
Abhijith Madhu
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1
vote
1 answer

Fix the Qt application orientation to landscape

Developing a tablet based qt application in windows platform. As per our requirement need to fix the application to landscape mode but not able to fix that. We were using QMainWindow. Referred few links to fix the issue but didn't worked. Reference1…
Srujan B
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1
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1 answer

Determine if QProcess is waiting for user input

I am working on an application (developed in Qt 5.11, toolchain MSVS2017 64bit) which will, at some point, have to execute a .bat script. This .bat script will call certain program with appropriate cmd line arguments. Script and program will reside…
Aleksandar
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1
vote
1 answer

Issues using QScriptEngine: Must construct a Q(Core)Application before a QScriptEngine

I have a Qt Gui application using mainwindow widget. The window class looks like that: class MainWindow : public QMainWindow { Q_OBJECT ... public: MainWindow(QWidget *parent = 0); ~MainWindow(); //some more code private: …
GFd
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0 answers

Qt 5.11: UI element refreshed only when clicked

I have a project developed in an old version of Qt for Mac, maybe version 4. I have opened the project in the current version 5.11 for Mac. It seems that the QtDeclarative is no longer available. So, the only change I did was to remove this line…
Mika
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0
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1 answer

QThread always stuck in wait

I am trying to use QThread to call a function in another thread without having the UI to freeze. I am using QT5.11.2 on both windows and linux. Everything works fine on windows but the wait() function for QThread never returns no matter what. I use…
DoubleH
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0
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0 answers

QThread isRunning always true

I am using QT 5.11.2 on both linux and windows. I am trying to optimize my UI to prevent it from freezing in large functions. I started using QThread and was able to do exactly what I want on windows. However, I tried to test the same functions on…
DoubleH
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0
votes
2 answers

QAbstractItemModel::columnCount - variable column count for each row

We are implementing an QAbstractItemModel structure as shown in diagram below and would like that; node A to contains 3 data columns node B to contains 8 data columns node C to contains 5 data columns However, when looking at the signature for…
LarsA
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0
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Can i use QWSServer in qt5?

I am porting old Qt4.8 code to Qt5.11. The following code is written in Qt4.8. ("main.cpp") This code was added to show the black background and to make the cursor invisible at program…
ryu
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0
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1 answer

Issue in QHeaderView section colors after qt release (5.11) in linux

After qt 5.11 release QHeaderView section colors stopped showing in linux. In windows works correctly. Has anyone encountered this problem? I use QTableView with QHeaderView. Can I override paintSection function and do something to fix this issue ?
Artyom
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votes
1 answer

QJSEngine won't evaluate js array correctly

I have a file settings.js which includes an array with arrays of settings: [ // [property, section, hex-address, Bytes to read/write, type, lsb, msb, options] ["AEC Control" , "AEC Control", 0x10300, 4, "bool", 0, 0], ["Shutter Mode",…
goulashsoup
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