Questions tagged [qt5.7]

Tag this only for the issues specific for Qt 5.7 and not for other versions.

Qt 5.7 was released 16th June 2016.

New features list can be found here.

109 questions
0
votes
0 answers

Qt Creator Disassembler

I have a bug somewhere in the program. I'm using Qt Creator. While debugging, it opens the Disassembler and the cursor goes to the following line: 0x7fffedc43b8c f0 ff 03 lock incl (%rbx) How should I read this? I…
谷维鑫
  • 1
  • 1
0
votes
0 answers

windows Qt 5.7 minwg 5.3 mariadb 10.2 QSqlDatabase: QMYSQL driver not loaded

it's been 10 hours that I search on the net. There is plenty of solution but none worked. I would like to know where to start. I just need a clue. Should i build my driver or there's a way that i don't need to do that. Which files i should use…
0
votes
1 answer

QT5.7 Cross compile for AM1808 ARM9

Currently, we are working on QT for application development for our hardware that runs on the AM1808 processor. At present, we developed our app using QT creator with compiler version Qt 4.8.7. We are planning to upgrade it with Qt 5.7 and for…
0
votes
2 answers

How to implement curved scrollview in qml?

How to get the look of curved Scroll bar/scroll view as shown below in QML with Label or TextArea? Basically this application is not a touch application. Environment, Qt 5.7.0 in Linux.
Prady
  • 663
  • 3
  • 11
  • 28
0
votes
1 answer

QGraphicsView Scale & QGraphicsRectItem paint failed to called

My work Environment :Qt 5.8 MSVC2015 64bit, QT GraphicsView, QGraphicsRectItem, Windows 7 64 bit. Issues : When I zoom in & zoom out on GraphicsView, I call GraphicsView scale method. But When I add QGraphicsRectItem to scene it failed to call its…
Sandip
  • 51
  • 11
0
votes
1 answer

QT Windows GUI - How Open a instance only once per time without qtsingleapplication

I am developing an application in QT for Windows and I have the following problem: 1. Some users are opening multiple instances of the same application, which is not allowed. How can I control that each user only opens the application once, without…
0
votes
1 answer

GraphicsView Zoomout scale Issue

My work Environment : Qt 5.8 MSVC2015 64bit, QT GraphicsView, Windows 7 64 bit When GraphicsView vertical scroll bar is goes away, zoom out should stop. So I tried with below code, but it failed to work : void GraphicsView::scale(qreal…
Sandip
  • 51
  • 11
0
votes
0 answers

building qtwebkit5.7.1 for intel baytrail board

i am trying to build qtwebkit5.7.1 using yocto poky ...on intel platform. but getting below errors. | rm -f libQt5WebKit.so.5.7.0 libQt5WebKit.so libQt5WebKit.so.5 libQt5WebKit.so.5.7 | linking ../lib/libQt5WebKit.so.5.7.0 |…
0
votes
0 answers

"QSslSocket: cannot call unresolved function SSLv23_server_method" with Qt5.7 on Windows 2016

I have created an application in QtCreator that runs as a service. It uses openssl to encrypt communications between client-apps and the server. When I install the server-application on a clean Windows server 2012 R2, everything works just fine. But…
SvenJ
  • 1
  • 1
0
votes
1 answer

Qt 5.7 -> 5.8 add QIcon to QListwidget

I want to upgrade my project from Qt 5.7 to Qt5.8. I have a function which shows an image on a QListWidget. My project, a viewer makes a thumbnail from image and convert it to a QIcon. After creating the QIcon it is added to the QListWidget by…
0
votes
1 answer

migrating a project from vtk5.10 to vtk 7.1 - missing headers

I am trying to migrate a project with Qt4.8.0 and vtk 5.10 to an updated version with Qt5.7 and vtk7.1 (in Visual Studio 2013). I found out that many vtk files have changed through different versions. Is there an easy way to do the migration? The…
MTs
  • 199
  • 2
  • 19
0
votes
1 answer

Change font of contents in QTextEdit from my application resource

I have Qt Resource file (res.qrc) in my Qt Application. I imported my custom font in resource as below: :/fonts/aa_marcus_east_syriac.ttf Also i define in header file: private: QFont assyrianEventsAAMarcusEastSyriac; I used QTextEdit in…
Samson Davidoff
  • 101
  • 1
  • 9
0
votes
0 answers

Can't use QtQuick (QML) on Qt 5.7.1

I use Qt 5.7.1 and Qt Creator 4.2.0 and I tried to use QtQuick. But I can't compile any QtQuick project. Even when I try to just create a basic QtQuick Application and then compile it (without any modification), I have the following…
Ed Nio
  • 593
  • 2
  • 11
  • 27
0
votes
2 answers

connect to FTP server and access to files

I'm trying to write a simple code so that I can get files from a FTP server. My code is shown below, but I even cannot connect to that server (the code shown below has no errors). I've searched a lot and tried others codes, with no success. Is there…
Maryam
  • 1
  • 2
0
votes
2 answers

Resolve Integer-Role to RoleName in QML

In QML, a models roles are usually used by their names as strings. However in some cases, this is not so. An example is the ListModel.onDataChanged Here we have three arguments (see here) topLeft, bottomRight and roles that we can use to handle the…