error LNK2019: unresolved external symbol
I’ve been through 20 subject about this error, but I didn’t figure how to fix it -I’m using Qt 5.0.1, Qtcreatro 2.6.2 – with visual studio 2010 on windows 7 64bit Here is my code the .pro file...
View ArticleQt 5: values not shown while debugging
Hi, I have installed Qt 5.0.1 beside Qt 4.8.1 on Win 7 64 bit. When debugging Qt 5 projects, values of Qt types are not shown, e.g. QModelIndex or QString variables. Instead of the value, there is a...
View ArticleKDChart com QGradient
Alguém já usou o QLinearGradient num gráfico de barras do KDChart? ele está fazendo o Gradiente no gráfico como um todo, e não barra por barra, QLinearGradient gradient(QPointF(100, 300),...
View ArticleQt Quick in Windows XP
I installed Qt 5.0.1 for Windows 32-bit (MinGW 4.7, 823 MB) Then I created simple Quick 2 application and compiled it. Program runs on clean Windows 7, Windows 8. But program does not run on Windows...
View ArticleDeploying an application in linux.No DLLs?
I have been working with Qt for some time in windows and a few days back i decided to install it on my linux box and i got it running today.Built and run the application as usual.When I run the binary...
View ArticleUI events blocked the QLocalSocket 'readyRead' signal\slot
Hi All, I’m using the QLocalSocket as an IPC to pass data from two applications (for the discussion: from writeApp to readApp). writeApp write to the socket at ~10Hz (every 100 msec) readApp read from...
View ArticleSetup of a new keyboard layout doesn't work properly
Hi everybody, I have, with our help, different keyboard layouts for my application. I’m using the following dynamisch load of the driver Internationalization of keyboard. qt-embedded...
View ArticleQt 5.0.0 - enable c++ 11 on Mac OSX
I’m trying to enable c++11 features in my Qt Creator. I Installed version 2.6.1 that came with the Qt 5.0.0 framework on qt-project.org. Everything’s running smoothly and I created various applications...
View ArticleConnect Event to an HandlerFunction
Hi Guys, i’ve got a problem that is driving me crazy. I’m using the method ‘sendEvent’ to the MainWindow and when a new event is sent i have to connect it to a related Function. In the constructor of...
View ArticleQLabel to stretch with text
Hey guys, I have whats probably a stupid question. I’ve followed a tutorial to implement my own label type successfully, but when I tried it I could see only one character, because the QLabel does not...
View ArticleQt/C++/CSS: QTooltip stylesheet background colour
Hi there, I’ve recently come across a problem developing for the Windows platform, relating to Windows own ‘themes’. I have been developing a program with Windows Basic display but upon running the...
View ArticleDatabase Application Framework
Dear all, I am looking for a database application framework for Qt. Since database application share common requirements including adding new records, editing, deleting, navigation, searching, printing...
View Articleکامپایل برای ubontu
سلام بچه ها یک نمونه نرم افزار دارم که حجمی نداره + داخل ویندوز نوشتم خواهشا یکی این نرم افزار رو برای لینوکس ubontu کامپاییل کنه و فایل اجرایی داخل لینوکس رو به من بده اینو نیاز دارم … (خودم ابزارش رو...
View ArticleQt to develop an Windows Service Application
Hi, I will need to develop an application and I thinking o use Qt 4.8 to develop, that’s possible to build a Windows Service App with Qt? I’m thinking on C++/Qt or C#/VisualStudio! Thanks All!
View ArticleQTimer timeout() signal not being called during unit test
I have a class that has a timeout in it which works fine while the regular application is running but when I do a unit test on the class the timeout() signal does not seem to be getting called. Any...
View ArticleQtdesigner: how radio button group together?
I am using Qtdesigner for a UI interface. I found that if I use a Qgroupbox to group all Qradiobuttons together, and only Qradiobuttons, they can be selected normally, that mean one is selected and all...
View ArticleIssue with QSqlDatabase::addDatabase(“QODBC”) Qt 4.8.4
Im trying to connect to a remote SQL Server database. When trying to add “QODBC” as my QSqlDatabase, I get the following error on the runtime: My Code snippet: QStringList drivers =...
View ArticleQt Creator Error qt_lib_designercomponents.pri needed by Makefile
I installed the new Qt Creator 2.6.2 based on Qt 5.0.1 using MinGW – When trying to compile anything it immediately complains with the following error and halts. :-1: error: No rule to make target...
View ArticleC++ forbids declaration...
Hello everyone! I am developing this modeling software that user can choose two diferent types of model to fill the parameters and run. The problem is this, i have to instantiate two objects (two...
View ArticleDeploying to Raspberry pi - can't seem to launch.
So I installed Qt on a Raspberry Pi just fine. Created a GUI app with a few basic buttons including a QLabel for displaying an image (Pxmap I believe). Running from within the ID it runs just fine. I...
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