I'm having performance problems with the painting in Qt and the QGraphicsItems in Linux. It gets very "locked" when I add things to the painted (grillas and others). I put a qDebug in the paint to see which area is drawing:
void...
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...
When creating an application with QUI using the Wizard of Qt Creator it creates a class for the window, similar to this:
#ifndef MAINWINDOW_H
#define MAINWINDOW_H
#include <QMainWindow>
class MainWindow : public QMainWindow
{
Q_OBJ...
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...
I have a question about how to connect a QLabel in a QDialog .
The idea is to be able to open a QDialog before running the program.
I leave part of the code:
QDialog jjj;
QLabel *logojjj;
logojjj->setPixmap(QPi...
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(...
I have a problem trying to develop a GUI with PyQt5 and QT desginer.
I want to use the uic module, I have a .ui file called registro.ui , and another login.ui , how can I call from login.ui to window registro.ui...
I start to learn Qt and one of the errors that I have not been able to solve is placing an icon in my program's window.
I have the following example:
#include <QApplication>
#include <QWidget>
#include <QIcon>
int main(in...
Hi, I'm starting to program QT in order to learn as much as possible but I have a question. I know that with a signal you can connect them to many slots. (Example multiple actions or move different progress bars). But what is not is when one of...