Why no reaction after hiding QMainWindow and then click it on Mac?

[Limer]

I just wrote a very simple program on Mac, like that,

#include "main_window.h"

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
{
    setCentralWidget(new QWidget);

    setFixedSize(100, 100);

}

MainWindow::~MainWindow()
{
}


void MainWindow::closeEvent(QCloseEvent* event)
{
    hide();
    event->ignore();
}

After clicked the ❎of MainWindow, and then click the icon at the bottom program-dock, but there is no response, it can't show again, why?

[sierdzio]

@Limer said in Why no reaction after hiding QMainWindow and then click it on Mac?:

After clicked the ❎of MainWindow, and then click the icon at the bottom program-dock, but there is no response, it can't show again, why?

Because it is hidden (visible property is false).

Perhaps you should have called minimize() instead of hide()?

[Limer]

@sierdzio You are right, thanks a lot.