Questions tagged as 'qt'

Tagged questions
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Rotate QGraphicsItem does not respect the angles

I am having problems with something that I thought would be simple ... but it is complicating me. I have a QGraphicsItem that has a line that goes from A to B. I need to turn the QGraphicsItem so that the line from A to B is quite straight on th...
asked by 16.05.2018 / 18:52
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Qt - Problem when drawing Cartesian coordinate system with QGraphicsItem

I have the following problem. I'm trying to graph the X and Y coordinate system. I use a QGraphicsItem. This graphicsitem has the upper coordinate X and Y ... as I move to the right, the X grows and to the left the X decreases, as is normal in t...
asked by 05.05.2018 / 04:55
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Qt: Problems with QPSQL driver not loaded

This is my code for the main.ccp : #include <QCoreApplication> #include<QtSql> #include<QtDebug> #include<Iostream> #include <QSqlDatabase> #include <QSqlError> #include <QSqlQuery> int main(int argc...
asked by 24.04.2018 / 19:14
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Graph curve of a GPS path or curve sweep

I have the following problem that is breaking my head and I can not solve it. I receive geographical positions by means of a GPS ... I convert them to coordinates of the plane. Once I have these coordinates, I draw the area between each pair of...
asked by 17.04.2018 / 00:12
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Capture keyboard arrows in Qt

I have been doing a school project in which they asked me to create the 2048 game, I created it on the console line as a base, and then I did the graphic design, but when I wanted to implement it I found the problem that checked at the time of s...
asked by 12.03.2018 / 20:29
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Python - Pop up window with wait message. Qt, Pyside

I have a program with an interface made with Qt, Pyside. After completing the fields of the interface the program performs actions that take a while. What I would like is to put a pop-up window with a message and that does not let the user...
asked by 15.02.2018 / 08:53
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Clean LineEdits and Labels when closing Pyside sub window

I have a program with an interface made with Pyside. It is very simple and consists of 2 windows, the main (1st) and a secondary (2nd) with a lot of lines edits and labels to fill. What I would like to know is if there is a way so that when you...
asked by 09.01.2018 / 12:56
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How to install the QT Designer module in Linux (Ubuntu)

I have installed PyQt5 in Linux but I do not know how to install or run the QT Designer module, I would appreciate it if someone can help me.     
asked by 06.12.2017 / 04:34
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I need to connect a PHP with QT c ++

I'm doing a registry of users, and also a login, in QT with c ++, I just created a php which I have hosted in a hosting, where I have the database, which is not how to send the data that register the user in my application, send it to the online...
asked by 05.11.2017 / 05:37
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How to make an .exe in linux and qt

Last mistake I get when doing make: I've already done the mxe root and the make thing but when doing the make it gives me this    make [1]: i686-w64-mingw32.static-g ++: The program was not found   Makefile.Release: 333: failure in the instru...
asked by 15.12.2016 / 03:42