diff options
Diffstat (limited to 'tests/benchmarks/gui/graphicsview/functional/GraphicsViewBenchmark/widgets/abstractscrollarea.cpp')
| -rw-r--r-- | tests/benchmarks/gui/graphicsview/functional/GraphicsViewBenchmark/widgets/abstractscrollarea.cpp | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/tests/benchmarks/gui/graphicsview/functional/GraphicsViewBenchmark/widgets/abstractscrollarea.cpp b/tests/benchmarks/gui/graphicsview/functional/GraphicsViewBenchmark/widgets/abstractscrollarea.cpp deleted file mode 100644 index 39847b8edb..0000000000 --- a/tests/benchmarks/gui/graphicsview/functional/GraphicsViewBenchmark/widgets/abstractscrollarea.cpp +++ /dev/null @@ -1,236 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:GPL-EXCEPT$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3 as published by the Free Software -** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QGraphicsSceneResizeEvent> -#include <QGraphicsWidget> -#include <QDebug> -#include "abstractscrollarea.h" -#include "scrollbar.h" - -AbstractScrollArea::AbstractScrollArea(QGraphicsWidget *parent) - : GvbWidget(parent) - , m_viewport(0) - , m_horizontalScrollBar(0) - , m_verticalScrollBar(0) - , m_prevHorizontalValue(0.0) - , m_prevVerticalValue(0.0) -{ - setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding); - setContentsMargins(0, 0, 0, 0); - - m_horizontalScrollBar = new ScrollBar(Qt::Horizontal, this); - m_horizontalScrollBar->hide(); - m_horizontalScrollBar->setContentsMargins(0, 0, 0, 0); - m_horizontalScrollBarPolicy = Qt::ScrollBarAsNeeded; - m_horizontalScrollBar->setZValue(zValue()+1); // Raise scroll bar to top - m_horizontalScrollBar->setVisible(false); - - connect(m_horizontalScrollBar, SIGNAL(sliderPositionChange(qreal)), - this, SLOT(horizontalScroll(qreal))); - connect(m_horizontalScrollBar, SIGNAL(sliderPressed()), - this, SLOT(horizontalScrollStart())); - - m_verticalScrollBar = new ScrollBar(Qt::Vertical, this); - m_verticalScrollBar->hide(); - m_verticalScrollBar->setContentsMargins(0, 0, 0, 0); - m_verticalScrollBarPolicy = Qt::ScrollBarAsNeeded; - m_verticalScrollBar->setZValue(zValue()+1); // Raise scroll bar to top - m_verticalScrollBar->setVisible(false); - - connect(m_verticalScrollBar, SIGNAL(sliderPositionChange(qreal)), - this, SLOT(verticalScroll(qreal))); - connect(m_verticalScrollBar, SIGNAL(sliderPressed()), - this, SLOT(verticalScrollStart())); - - QGraphicsWidget *viewport = new QGraphicsWidget; - setViewport(viewport); -} - -AbstractScrollArea::~AbstractScrollArea() -{ -} - -ScrollBar *AbstractScrollArea::verticalScrollBar() const -{ - return m_verticalScrollBar; -} - -ScrollBar *AbstractScrollArea::horizontalScrollBar() const -{ - return m_horizontalScrollBar; -} - -void AbstractScrollArea::setHorizontalScrollBarPolicy(Qt::ScrollBarPolicy policy) -{ - m_horizontalScrollBarPolicy = policy; -} - -void AbstractScrollArea::setVerticalScrollBarPolicy(Qt::ScrollBarPolicy policy) -{ - m_verticalScrollBarPolicy = policy; -} - -Qt::ScrollBarPolicy AbstractScrollArea::verticalScrollBarPolicy() const -{ - return m_verticalScrollBarPolicy; -} - -Qt::ScrollBarPolicy AbstractScrollArea::horizontalScrollBarPolicy() const -{ - return m_horizontalScrollBarPolicy; -} - -QGraphicsWidget *AbstractScrollArea::viewport() const -{ - return m_viewport; -} - -void AbstractScrollArea::setViewport(QGraphicsWidget *viewport) -{ - if (m_viewport) { - m_viewport->setParentItem(0); - - QList<QGraphicsItem*> children = m_viewport->childItems(); - - foreach (QGraphicsItem *child, children) - child->setParentItem(0); - - delete m_viewport; - } - - m_viewport = viewport; - - if (viewport) { - - m_viewport->setParentItem(this); - m_viewport->setContentsMargins(0, 0, 0, 0); - - adjustScrollBars(); - } - - emit viewportChanged(viewport); -} - -bool AbstractScrollArea::event(QEvent *e) -{ - if (e->type() == QEvent::ApplicationLayoutDirectionChange - || e->type() == QEvent::LayoutDirectionChange) { - } else if (e->type() == QEvent::GraphicsSceneResize) { - QGraphicsSceneResizeEvent *event = - static_cast<QGraphicsSceneResizeEvent*>(e); - - QSizeF newSize = event->newSize(); - QRectF hrect = m_horizontalScrollBar->boundingRect(); - QRectF vrect = m_verticalScrollBar->boundingRect(); - - QSizeF vpSize = newSize; - - if (m_horizontalScrollBarPolicy != Qt::ScrollBarAlwaysOff) - vpSize.setHeight(newSize.height() - hrect.height()); - if (m_verticalScrollBarPolicy != Qt::ScrollBarAlwaysOff) - vpSize.setWidth(newSize.width() - vrect.width()); - - m_viewport->resize(vpSize); - - adjustScrollBars(); - } - - return QGraphicsWidget::event(e); -} - - -void AbstractScrollArea::scrollContentsBy(qreal dx, qreal dy) -{ - Q_UNUSED(dx) - Q_UNUSED(dy) - prepareGeometryChange(); -} - -void AbstractScrollArea::verticalScrollStart() -{ - m_prevVerticalValue = m_verticalScrollBar->sliderPosition(); -} - -void AbstractScrollArea::verticalScroll(qreal value) -{ - qreal dy = value - m_prevVerticalValue; - if (!qFuzzyCompare(dy,qreal(0.0))) { - scrollContentsBy(0.0, dy); - m_prevVerticalValue = value; - } -} - -void AbstractScrollArea::horizontalScrollStart() -{ - m_prevHorizontalValue = m_horizontalScrollBar->sliderPosition(); -} - -void AbstractScrollArea::horizontalScroll(qreal value) -{ - qreal dx = value - m_prevHorizontalValue; - if (!qFuzzyCompare(dx,qreal(0.0))) { - scrollContentsBy(dx, 0.0); - m_prevHorizontalValue = value; - } -} - -void AbstractScrollArea::adjustScrollBars() -{ - if (m_horizontalScrollBarPolicy == Qt::ScrollBarAlwaysOff) { - m_horizontalScrollBar->hide(); - } else { - m_horizontalScrollBar->show(); - - QRectF sbgeom = boundingRect(); - - sbgeom.setTop(sbgeom.bottom() - m_horizontalScrollBar->boundingRect().height()); - sbgeom.setRight(sbgeom.right() - m_verticalScrollBar->boundingRect().width()); - m_horizontalScrollBar->setGeometry(sbgeom); - } - - if (m_verticalScrollBarPolicy == Qt::ScrollBarAlwaysOff) { - m_verticalScrollBar->hide(); - QRectF sbgeom = boundingRect(); - sbgeom.setLeft(sbgeom.right()); - sbgeom.setBottom(sbgeom.bottom()); - m_verticalScrollBar->setGeometry(sbgeom); - } else { - m_verticalScrollBar->show(); - - QRectF sbgeom = boundingRect(); - - sbgeom.setLeft(sbgeom.right() - m_verticalScrollBar->boundingRect().width()); - if (m_horizontalScrollBarPolicy != Qt::ScrollBarAlwaysOff) - sbgeom.setBottom(sbgeom.bottom() - m_horizontalScrollBar->boundingRect().height()); - m_verticalScrollBar->setGeometry(sbgeom); - } -} - - - - |