Questions tagged as 'qt-creator'

Tagged questions
1
answer

Make QT applications for 64 bits

I have a question, I am experimenting with Qt C ++ and I downloaded the Qt Creator from the recommended online installer. At first I did not install MinGW, so it was a delivery to configure the compiler, I gave up, I installed MinGW and the QTCr...
asked by 19.07.2017 / 21:08
1
answer

include external libraries in qtcreator

I need to include external libraries to an application that I have in Qt Creator. In my case I need to include the library xmpp but I do not know how I am new to this idea and I do not have much idea. I read a tutorial online but I did no...
asked by 19.08.2016 / 12:55
1
answer

Problem when creating project Application / Qt Widgets Application

When I create that type of project I get the following error: Can not run compiler 'cl'. Maybe you forgot to setup the environment     
asked by 05.04.2018 / 07:31
1
answer

how to show local web page?

How can I show a local web page? I already did something similar but showing a url, not a local web page (in this way I show the url page m_messageWidget->messageView->setHomepageUrl(QUrl(QString::fromUtf8("urlutilizada").arg(QCoreApplic...
asked by 28.07.2017 / 00:29
1
answer

Help with Qt creator, does not allow to run projects?

I have installed the qt creator several times but it had never cost me as much as in my current pc; first I used the installer that I always had in my pendrive (the one of qt 5.8), it told me that I could not download certain repositories, I...
asked by 30.06.2017 / 05:23
1
answer

QMessageBox close automatically

Please, can someone help me by saying how I can do to generate a QMessageBox that closes automatically after x seconds without pressing any button. I leave an example of the code that I have QMessageBox Logo; Logo.setIconPixmap(QPixmap(...
asked by 26.07.2017 / 18:49
0
answers

Styles bar and text format in QTextEdit [closed]

I consider adding a text style bar (font size, typeface, bold, italic, underline ...) in a window that contains a QtextEdit. From what I see, I would have to program it from scratch unless there is some QtextEdit feature in the QtDesigner....
asked by 04.10.2018 / 10:06
1
answer

Get the color of a QT LCD Number

To insert the color in one of my LCD Number I simply use the instruction: this->ui->lcdNumber_23->setPalette(Qt::red); But I can not find how to get the current color of an LCD Number, I tried to get the palette but I can not find...
asked by 24.05.2018 / 23:08
2
answers

Error instantiating an object of a class in QT Creator C ++

I need to create a AgregarProyecto method, which allows you to add a new project to a list. My problem is this: When wanting to make an instance of class proyecto , which receives 3 arguments, I get the following error:    err...
asked by 12.05.2017 / 22:17
1
answer

Interface for "save as" window in qt-Creator

Does anyone know the way that, given a button in QT, that I assign to save something and, when pressed, I am displayed a window of save as ? That is, that window that opens when we download something and asks us where we want to store it....
asked by 10.12.2016 / 03:10