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71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "WindowList.h"
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WindowList& WindowList::the()
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{
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static WindowList* s_the;
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if (!s_the)
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s_the = new WindowList;
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return *s_the;
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}
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Window* WindowList::find_parent(const Window& window)
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{
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if (!window.parent_identifier().is_valid())
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return nullptr;
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for (auto& it : m_windows) {
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auto& w = *it.value;
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if (w.identifier() == window.parent_identifier())
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return &w;
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}
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return nullptr;
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}
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Window* WindowList::window(const WindowIdentifier& identifier)
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{
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auto it = m_windows.find(identifier);
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if (it != m_windows.end())
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return it->value;
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return nullptr;
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}
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Window& WindowList::ensure_window(const WindowIdentifier& identifier)
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{
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auto it = m_windows.find(identifier);
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if (it != m_windows.end())
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return *it->value;
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auto window = make<Window>(identifier);
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auto& window_ref = *window;
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m_windows.set(identifier, move(window));
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return window_ref;
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}
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void WindowList::remove_window(const WindowIdentifier& identifier)
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{
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m_windows.remove(identifier);
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}
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