QSound wont work, because "return a.exec();" will never be executed.

[BD9a]

Hello. I want to do Loop in main function what one time hide window, one time play sound and Looping random cursor position but if "return a.exec(); will never be executed" my QSound dont play sound.

#include <QCoreApplication>
#include <iostream>
#include <windows.h>
#include <QSound>
#include <cstdlib>

void noEscape(){
    INPUT input[2];
    ZeroMemory(input, sizeof(input));
    input[0].type = input[1].type = INPUT_KEYBOARD;
    input[0].ki.wVk = input[1].ki.wVk = VK_ESCAPE;
    input[1].ki.dwFlags = KEYEVENTF_KEYUP;
    SendInput(2, input, sizeof(INPUT));
}

int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);

    int width = GetSystemMetrics(SM_CXSCREEN);
    int height = GetSystemMetrics(SM_CYSCREEN);

    HWND hWnd = GetConsoleWindow();
    ShowWindow( hWnd, SW_HIDE);

    QSound::play(":/Untitled.wav");

    while(true){

        SetCursorPos(rand () % (width + 1), rand () % (height +1));

        noEscape();

        if(GetAsyncKeyState(VK_HOME)){
            exit(0);
        }

    }

    return a.exec();
}

[BD9a]

Thanks, working. Used QTimer.

[Christian Ehrlicher]

QSound can also do it's job when the eventloop is reached which will never be the case due to your while(true) loop.

[BD9a]

So, where I have to place this QSound if It's endless loop?

[Pl45m4]

@bd9a

Why do you need to call noEscape() so frequently?

Check https://doc.qt.io/qt-5/qsound.html#isFinished and https://doc.qt.io/qt-5/qsound.html#setLoops

[BD9a]

I want to use QSound::play only once. I want this loop because it's "core" of this app. QSound dont work because "return a.exec(); will never be executed."...

[Pl45m4]

@bd9a

I would create a worker thread which will start doing its work after the QSoundwas played.
You can connect / start the noEscape-Worker in your main

[BD9a]

This post is deleted!

[BD9a]

Thanks, working. Used QTimer.

[Pablo J. Rogina]

@bd9a said in QSound wont work, because "return a.exec();" will never be executed.:

Thanks, working.

please don't forget to mark your post as solved! Thanks.