Prerequisite Checklist

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Describe your issue here

The window event sf::Event::Closed never get triggered when creating a window with sf::Style::None, sf::Style::Titlebar, sf::Style::Resize.

Most distros come with a hotkey to close the in-focus window. These hotkeys should allow you to trigger a window close event, but with SFML one never occurs. I tested both GLFW and SDL2 for the same behavior, they both behave as one would expect (the close event is propagated / the window closes).

I initially thought it was styles without a close button on the decorations, but sf::Style::Fullscreen works.

Your Environment

- OS: I tested against Linux Mint 23.1 Cinnamon x11. KDE was also tested by Flareon on Discord. I didn't test against Wayland.

- SFML version: Latest master, 30fcb35

- Compiler / toolchain: GCC 13.1

Steps to reproduce

Make sure hotkey is bound which closes in-focus window, compile / run this code, press hotkey -- the window will not get sf::Event::Close, the window will never close.

#include <SFML/Window.hpp>
 
int main()
{
    sf::Window window; // also happens with RenderWindow
 
    // The following are all not working: Titlebar, Resize, None
    window.create(sf::VideoMode({800, 600}), "My window", sf::Style::None);
 
    while (window.isOpen()) {
        sf::Event event{};
        while (window.pollEvent(event)) {
            // sf::Event::Closed is never given to us from window.pollEvent(event)
            if (event.type == sf::Event::Closed)
                window.close();
        }
 
        window.display();
    }
 
    return 0;
}

Expected behavior

The event sf::Close should be given via pollEvent when the user attempts to quit (such as by pressing hotkeys).

Actual behavior

The event sf::Close is never triggered