158 lines
3.5 KiB
C++
158 lines
3.5 KiB
C++
/********************************************************************
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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 <vladzzag@gmail.com>
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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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