Qt About using layouts, widget parenting Basic Vertical Layout
Example
The vertical layout set up the object inside it vertically.
#include "mainwindow.h"
#include <QApplication>
#include <QMainWindow>
#include <QWidget>
#include <QVBoxLayout>
#include <QPushButton>
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
QMainWindow window;
QWidget *widget = new QWidget(&window);
QVBoxLayout *layout = new QVBoxLayout(widget);
window.setCentralWidget(widget);
widget->setLayout(layout);
layout->addWidget(new QPushButton("hello world", widget));
layout->addWidget(new QPushButton("I would like to have a layout !", widget));
layout->addWidget(new QPushButton("layouts are so great !", widget));
window.show();
return a.exec();
}
output:
