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serenity/Userland/Services/WindowServer/WindowStack.cpp
Andreas Kling d257f58306 WindowServer: Add WindowStack concept
This patch moves the window stack out of WindowManager and into its own
WindowStack class.

A WindowStack is an ordered list of windows with an optional highlight
window. The highlight window mechanism is used during Super+Tab window
switching to temporarily bring a window to the front.

This is mostly mechanical, just moving the code to its own class.
2021-06-18 17:40:05 +02:00

45 lines
745 B
C++

/*
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "WindowStack.h"
namespace WindowServer {
WindowStack::WindowStack()
{
}
WindowStack::~WindowStack()
{
}
void WindowStack::add(Window& window)
{
m_windows.append(window);
}
void WindowStack::remove(Window& window)
{
m_windows.remove(window);
}
void WindowStack::move_to_front(Window& window)
{
if (m_windows.last() != &window)
window.invalidate();
m_windows.remove(window);
m_windows.append(window);
}
void WindowStack::set_highlight_window(Window* window)
{
if (!window)
m_highlight_window = nullptr;
else
m_highlight_window = window->make_weak_ptr<Window>();
}
}