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158 lines
3.5 KiB
158 lines
3.5 KiB
/******************************************************************** |
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KWin - the KDE window manager |
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This file is part of the KDE project. |
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Copyright (C) 2015 Martin Gräßlin <mgraesslin@kde.org> |
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Copyright (C) 2019 Vlad Zahorodnii <vlad.zahorodnii@kde.org> |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*********************************************************************/ |
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#include "window.h" |
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#include "screens.h" |
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#include "internal_client.h" |
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#include <logging.h> |
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#include <QOpenGLFramebufferObject> |
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#include <qpa/qwindowsysteminterface.h> |
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namespace KWin |
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{ |
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namespace QPA |
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{ |
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static quint32 s_windowId = 0; |
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Window::Window(QWindow *window) |
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: QPlatformWindow(window) |
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, m_windowId(++s_windowId) |
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, m_scale(screens()->maxScale()) |
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{ |
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} |
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Window::~Window() |
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{ |
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unmap(); |
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} |
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void Window::setVisible(bool visible) |
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{ |
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if (visible) { |
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map(); |
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} else { |
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unmap(); |
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} |
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QPlatformWindow::setVisible(visible); |
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} |
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void Window::setGeometry(const QRect &rect) |
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{ |
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const QRect &oldRect = geometry(); |
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QPlatformWindow::setGeometry(rect); |
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if (rect.x() != oldRect.x()) { |
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emit window()->xChanged(rect.x()); |
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} |
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if (rect.y() != oldRect.y()) { |
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emit window()->yChanged(rect.y()); |
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} |
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if (rect.width() != oldRect.width()) { |
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emit window()->widthChanged(rect.width()); |
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} |
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if (rect.height() != oldRect.height()) { |
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emit window()->heightChanged(rect.height()); |
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} |
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const QSize nativeSize = rect.size() * m_scale; |
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if (m_contentFBO) { |
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if (m_contentFBO->size() != nativeSize) { |
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m_resized = true; |
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} |
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} |
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QWindowSystemInterface::handleGeometryChange(window(), geometry()); |
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} |
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WId Window::winId() const |
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{ |
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return m_windowId; |
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} |
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qreal Window::devicePixelRatio() const |
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{ |
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return m_scale; |
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} |
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void Window::bindContentFBO() |
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{ |
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if (m_resized || !m_contentFBO) { |
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createFBO(); |
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} |
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m_contentFBO->bind(); |
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} |
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const QSharedPointer<QOpenGLFramebufferObject> &Window::contentFBO() const |
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{ |
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return m_contentFBO; |
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} |
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QSharedPointer<QOpenGLFramebufferObject> Window::swapFBO() |
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{ |
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QSharedPointer<QOpenGLFramebufferObject> fbo = m_contentFBO; |
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m_contentFBO.clear(); |
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return fbo; |
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} |
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InternalClient *Window::client() const |
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{ |
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return m_handle; |
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} |
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void Window::createFBO() |
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{ |
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const QRect &r = geometry(); |
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if (m_contentFBO && r.size().isEmpty()) { |
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return; |
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} |
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const QSize nativeSize = r.size() * m_scale; |
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m_contentFBO.reset(new QOpenGLFramebufferObject(nativeSize.width(), nativeSize.height(), QOpenGLFramebufferObject::CombinedDepthStencil)); |
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if (!m_contentFBO->isValid()) { |
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qCWarning(KWIN_QPA) << "Content FBO is not valid"; |
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} |
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m_resized = false; |
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} |
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void Window::map() |
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{ |
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if (m_handle) { |
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return; |
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} |
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m_handle = new InternalClient(window()); |
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} |
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void Window::unmap() |
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{ |
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if (!m_handle) { |
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return; |
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} |
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m_handle->destroyClient(); |
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m_handle = nullptr; |
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m_contentFBO = nullptr; |
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} |
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} |
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}
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