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Diffstat (limited to 'src/datavisualization/engine/q3dwindow.cpp')
-rw-r--r-- | src/datavisualization/engine/q3dwindow.cpp | 250 |
1 files changed, 0 insertions, 250 deletions
diff --git a/src/datavisualization/engine/q3dwindow.cpp b/src/datavisualization/engine/q3dwindow.cpp deleted file mode 100644 index 5285b585..00000000 --- a/src/datavisualization/engine/q3dwindow.cpp +++ /dev/null @@ -1,250 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2013 Digia Plc -** All rights reserved. -** For any questions to Digia, please use contact form at http://qt.digia.com -** -** This file is part of the QtDataVisualization module. -** -** Licensees holding valid Qt Enterprise licenses may use this file in -** accordance with the Qt Enterprise License Agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and Digia. -** -** If you have questions regarding the use of this file, please use -** contact form at http://qt.digia.com -** -****************************************************************************/ - -#include "q3dwindow.h" -#include "q3dwindow_p.h" -#include "abstract3dcontroller_p.h" -#include "qabstract3dinputhandler_p.h" -#include "q3dscene_p.h" - -#include <QGuiApplication> -#include <QOpenGLContext> -#include <QOpenGLPaintDevice> -#include <QPainter> - - -QT_DATAVISUALIZATION_BEGIN_NAMESPACE - -/*! - * \class Q3DWindow - * \inmodule QtDataVisualization - * \brief The Q3DWindow class provides a window and render loop. - * \since Qt Data Visualization 1.0 - * - * This class creates a QWindow and provides render loop for visualization types inheriting it. - * - * You should not need to use this class directly, but one of its subclasses instead. - * - * \note Q3DWindow sets window flag \c{Qt::FramelessWindowHint} on by default. If you want to display - * graph windows as standalone windows with regular window frame, clear this flag after constructing - * the graph. For example: - * - * \code - * Q3DBars *graphWindow = new Q3DBars; - * graphWindow->setFlags(graphWindow->flags() ^ Qt::FramelessWindowHint); - * \endcode - * - * \sa Q3DBars, Q3DScatter, Q3DSurface, {Qt Data Visualization C++ Classes} - */ - -/*! - * \internal - */ -Q3DWindow::Q3DWindow(Q3DWindowPrivate *d, QWindow *parent) - : QWindow(parent), - d_ptr(d) -{ - d_ptr->m_context = new QOpenGLContext(this); - - setFlags(flags() | Qt::FramelessWindowHint); - setSurfaceType(QWindow::OpenGLSurface); - QSurfaceFormat surfaceFormat; - surfaceFormat.setDepthBufferSize(24); -#if !defined(QT_OPENGL_ES_2) - surfaceFormat.setSamples(8); - surfaceFormat.setRenderableType(QSurfaceFormat::OpenGL); -#else - surfaceFormat.setRenderableType(QSurfaceFormat::OpenGLES); -#endif - surfaceFormat.setSwapBehavior(QSurfaceFormat::DoubleBuffer); - setFormat(surfaceFormat); - - create(); - - d_ptr->m_context->setFormat(requestedFormat()); - d_ptr->m_context->create(); - d_ptr->m_context->makeCurrent(this); - - initializeOpenGLFunctions(); - - const GLubyte *version = glGetString(GL_VERSION); - qDebug() << "OpenGL version:" << (const char *)version; - version = glGetString(GL_SHADING_LANGUAGE_VERSION); - qDebug() << "GLSL version:" << (const char *)version; -#if !defined(QT_OPENGL_ES_2) - // If we have real OpenGL, GLSL version must be 1.2 or over. Quit if not. - QStringList splitversionstr = QString::fromLatin1((const char *)version).split(QChar::fromLatin1(' ')); - if (splitversionstr[0].toFloat() < 1.2) - qFatal("GLSL version must be 1.20 or higher. Try installing latest display drivers."); -#endif - d_ptr->renderLater(); -} - -/*! - * Destroys Q3DWindow. - */ -Q3DWindow::~Q3DWindow() -{ -} - -/*! - * Adds the given \a inputHandler to the graph. The input handlers added via addInputHandler - * are not taken in to use directly. Only the ownership of the a\ inputHandler is given to the graph. - * The \a inputHandler must not be null or already added to another graph. - * - * \sa releaseInputHandler(), setActiveInputHandler() - */ -void Q3DWindow::addInputHandler(QAbstract3DInputHandler *inputHandler) -{ - d_ptr->m_visualController->addInputHandler(inputHandler); -} - -/*! - * Releases the ownership of the \a inputHandler back to the caller, if it was added to this graph. - * If the released \a inputHandler is in use there will be no input handler active after this call. - * - * If the default input handler is released and added back later, it behaves as any other input handler would. - * - * \sa addInputHandler(), setActiveInputHandler() - */ -void Q3DWindow::releaseInputHandler(QAbstract3DInputHandler *inputHandler) -{ - d_ptr->m_visualController->releaseInputHandler(inputHandler); -} - -/*! - * Sets the active \a inputHandler. Implicitly calls addInputHandler() to transfer ownership of - * the \a inputHandler to this graph. - * - * If the \a inputHandler is null, no input handler will be active after this call. - * - * \sa addInputHandler(), releaseInputHandler() - */ -void Q3DWindow::setActiveInputHandler(QAbstract3DInputHandler *inputHandler) -{ - d_ptr->m_visualController->setActiveInputHandler(inputHandler); -} - -/*! - * \return currently active input handler. - */ -QAbstract3DInputHandler *Q3DWindow::activeInputHandler() -{ - return d_ptr->m_visualController->activeInputHandler(); -} - -/*! - * \internal - */ -bool Q3DWindow::event(QEvent *event) -{ - switch (event->type()) { - case QEvent::UpdateRequest: - d_ptr->renderNow(); - return true; - case QEvent::TouchBegin: - case QEvent::TouchCancel: - case QEvent::TouchUpdate: - case QEvent::TouchEnd: - d_ptr->m_visualController->touchEvent(static_cast<QTouchEvent *>(event)); - return true; - default: - return QWindow::event(event); - } -} - -/*! - * \internal - */ -void Q3DWindow::resizeEvent(QResizeEvent *event) -{ - Q_UNUSED(event); - - Q3DScene *scene = d_ptr->m_visualController->scene(); - scene->d_ptr->setWindowSize(QSize(width(), height())); - scene->d_ptr->setViewport(QRect(0, 0, width(), height())); -} - -/*! - * \internal - */ -void Q3DWindow::exposeEvent(QExposeEvent *event) -{ - Q_UNUSED(event); - - if (isExposed()) - d_ptr->renderNow(); -} - -Q3DWindowPrivate::Q3DWindowPrivate(Q3DWindow *q) - : QObject(0), - q_ptr(q), - m_updatePending(false), - m_visualController(0), - m_devicePixelRatio(1.f) -{ -} - -Q3DWindowPrivate::~Q3DWindowPrivate() -{ -} - -void Q3DWindowPrivate::render() -{ - handleDevicePixelRatioChange(); - m_visualController->synchDataToRenderer(); - m_visualController->render(); -} - -void Q3DWindowPrivate::renderLater() -{ - if (!m_updatePending) { - m_updatePending = true; - QCoreApplication::postEvent(q_ptr, new QEvent(QEvent::UpdateRequest)); - } -} - -void Q3DWindowPrivate::renderNow() -{ - if (!q_ptr->isExposed()) - return; - - m_updatePending = false; - - m_context->makeCurrent(q_ptr); - - render(); - - m_context->swapBuffers(q_ptr); -} - -void Q3DWindowPrivate::setVisualController(Abstract3DController *controller) -{ - m_visualController = controller; -} - -void Q3DWindowPrivate::handleDevicePixelRatioChange() -{ - if (q_ptr->devicePixelRatio() == m_devicePixelRatio || !m_visualController) - return; - - m_devicePixelRatio = q_ptr->devicePixelRatio(); - m_visualController->scene()->setDevicePixelRatio(m_devicePixelRatio); -} - -QT_DATAVISUALIZATION_END_NAMESPACE |