//! [0] namespace Ui { class HelloWorld { public: QVBoxLayout *vboxLayout; QPushButton *pushButton; void setupUi(QWidget *HelloWorld) { HelloWorld->setObjectName(QString::fromUtf8("HelloWorld")); vboxLayout = new QVBoxLayout(HelloWorld); vboxLayout->setObjectName(QString::fromUtf8("vboxLayout")); pushButton = new QPushButton(HelloWorld); pushButton->setObjectName(QString::fromUtf8("pushButton")); vboxLayout->addWidget(pushButton); retranslateUi(HelloWorld); } }; } //! [0] //! [1] #include #include #include "ui_helloworld.h" // defines Ui::HelloWorld int main(int argc, char *argv[]) { QApplication app(argc, argv); QWidget w; Ui::HelloWorld ui; ui.setupUi(&w); w.show(); return app.exec(); } //! [1] //! [2] #include #include #include "ui_helloworld.h" // defines Ui::HelloWorld class HelloWorldWidget : public QWidget, public Ui::HelloWorld { Q_OBJECT public: HelloWorldWidget(QWidget *parent = 0) : QWidget(parent) { setupUi(this); } }; int main(int argc, char *argv[]) { QApplication app(argc, argv); HelloWorldWidget w; w.show(); return app.exec(); } //! [2] //! [3] uic3 myform.ui > myform.h uic3 -impl myform.h myform.ui > myform.cpp //! [3] //! [4] uic3 -convert myform3.ui > myform4.ui //! [4] //! [5] class HelloWorldWidget : public QWidget, public Ui::HelloWorld { Q_OBJECT public: HelloWorldWidget(QWidget *parent = 0); public slots: void mySlot(); }; HelloWorldWidget::HelloWorldWidget(QWidget *parent) : QWidget(parent) { setupUi(this); QObject::connect(pushButton, SIGNAL(clicked()), this, SLOT(mySlot())); } void HelloWorldWidget::mySlot() { ... } //! [5] //! [6] class HelloWorldWidget : public QWidget, public Ui::HelloWorld { Q_OBJECT public: HelloWorldWidget(QWidget *parent = 0); public slots: void on_pushButton_clicked(); }; HelloWorldWidget::HelloWorldWidget(QWidget *parent) : QWidget(parent) { setupUi(this); } void HelloWorldWidget::on_pushButton_clicked() { ... } //! [6] //! [7] yes.png no.png //! [7] //! [8] RESOURCES += icons.qrc //! [8] //! [9] QFile file(":/icons/yes.png"); QIcon icon(":/icons/no.png"); QPixmap pixmap(":/icons/no.png"); //! [9]