Method handle_events

src/device/main_linux.cpp:1568–1735

	}

	void handle_events(fd_set *fdset) override
	{
		if (!FD_ISSET(display_fd, fdset))
			return;

		while (XEventsQueued(display, QueuedAfterFlush) > 0) {
			XEvent event;
			XNextEvent(display, &event);

			switch (event.type) {
			case EnterNotify:
				if (xwayland && !motion_received) {
					// XWayland sends spurious EnterNotify events when the pointer is outside the
					// window at start but was inside it in a previous run due to a XWarpPointer()
					// or similar calls. Ignore those events until a MotionNotify is received first.
					break;
				}

				mouse_last_x = (s16)event.xcrossing.x;
				mouse_last_y = (s16)event.xcrossing.y;
				queue.push_axis_event(InputDeviceType::MOUSE
					, 0
					, MouseAxis::CURSOR
					, event.xcrossing.x
					, event.xcrossing.y
					, 0
					);
				break;

			case LeaveNotify:
				cursor_inside_window = false;
				motion_received = false;
				break;

			case ClientMessage:
				if ((Atom)event.xclient.data.l[0] == wm_delete_window)
					queue.push_exit_event();
				break;

			case ConfigureNotify:
				queue.push_resolution_event(event.xconfigure.width
					, event.xconfigure.height
					);
				break;

			case ButtonPress:
			case ButtonRelease: {
				if (event.xbutton.button == Button4 || event.xbutton.button == Button5) {
					queue.push_axis_event(InputDeviceType::MOUSE
						, 0
						, MouseAxis::WHEEL
						, 0
						, event.xbutton.button == Button4 ? 1 : -1
						, 0
						);
					break;
				}