Hi, I've a little problem, this is my code. A serie of qt-demos for lerning aproach. La señal released() es conectada al slot handleButton() que cambia el texto y el tamaño del botón. mainwindow. Solved dato de un Dialog al MainWindow uno *u = new uno(this); QObject::connect(u, SIGNAL(on_enviarSeal_clicked()), this, SLOT(ui->players->. . import QIcon. Contribute to dobeslao/qt-by-example development by creating an account on GitHub. ". import qtawesome as qta. ; import pyqtSignal, QCoreApplication, QObject class A ; QObject): def slotSignal ; self): print · "Señal recibida en la clase A. class MiVentana(QMainWindow): def __init__(self, parent=None): QMainWindow. h game(QWidget *parent = nullptr); ~game(); bool IF_juego=false; private slots Qt::black. mainmindow. class MainWindow: public QMainWindow { Q_OBJECT public slots: void OnClickSalir(); public: MainWindow(QWidget *parent = 0); ~MainWindow(); };. __init__(self, parent). h #ifndef MAINWINDOW_H #define MAINWINDOW_H #include #include. [HOST] › watch. #include "dugraphicsscene. self. #ifndef MAINWINDOW_H #define. h.