summaryrefslogtreecommitdiffstats
path: root/tests/benchmarks/gui/graphicsview/functional/GraphicsViewBenchmark/widgets/scroller.cpp
diff options
context:
space:
mode:
authorChristian Ehrlicher <ch.ehrlicher@gmx.de>2018-03-22 10:47:02 +0100
committerChristian Ehrlicher <ch.ehrlicher@gmx.de>2018-03-27 16:50:44 +0000
commit3c4ea1b3c662d17b4b82a55a4b10e50226dbb14f (patch)
treea2ca9e32253876baea3da909b6744e0c0c8cde89 /tests/benchmarks/gui/graphicsview/functional/GraphicsViewBenchmark/widgets/scroller.cpp
parente3fa4af68ecf50c3d32e576b4b05bfefecd18c1b (diff)
Benchmark: move widgets benchmarks still in gui subdirectory to widgets
Move all widget-dependent benchmarks which were still in gui subdirectory to widgets Task-number: QTBUG-23129 Change-Id: I1359f1ea4036cacdfdbe08ff9ecdf1e2c75a005b Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@qt.io>
Diffstat (limited to 'tests/benchmarks/gui/graphicsview/functional/GraphicsViewBenchmark/widgets/scroller.cpp')
-rw-r--r--tests/benchmarks/gui/graphicsview/functional/GraphicsViewBenchmark/widgets/scroller.cpp292
1 files changed, 0 insertions, 292 deletions
diff --git a/tests/benchmarks/gui/graphicsview/functional/GraphicsViewBenchmark/widgets/scroller.cpp b/tests/benchmarks/gui/graphicsview/functional/GraphicsViewBenchmark/widgets/scroller.cpp
deleted file mode 100644
index 203ea7e046..0000000000
--- a/tests/benchmarks/gui/graphicsview/functional/GraphicsViewBenchmark/widgets/scroller.cpp
+++ /dev/null
@@ -1,292 +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 <QScrollBar>
-#include <QEvent>
-#include <QGraphicsSceneMouseEvent>
-#include <QGraphicsView>
-#include <QDebug>
-
-#include "scroller.h"
-#include "scroller_p.h"
-#include "abstractscrollarea.h"
-#include "scrollbar.h"
-
-const int ScrollStep = 1;
-const int UpdateScrollingInterval = 55;
-const int UpdateScrollingSmoothInterval = 0;
-static const qreal MaxScrollingSpeed = 48.0;
-
-ScrollerPrivate::ScrollerPrivate(Scroller *scroller)
- : m_scrollArea(0)
- , m_scrollFactor(1.0)
- , m_state(Stopped)
- , q_ptr(scroller)
- , m_eventViewport(0)
-{
-}
-
-ScrollerPrivate::~ScrollerPrivate()
-{
-}
-
-void ScrollerPrivate::stopScrolling()
-{
- m_state = ScrollerPrivate::Started;
- m_cursorPos = QCursor::pos();
- m_speed = QPoint(0, 0);
-
- if (m_scrollTimer.isActive())
- m_scrollTimer.stop();
-}
-
-//Maps screen coordinates to scrollArea coordinates though current m_eventViewport widget
-QPointF ScrollerPrivate::mapToScrollArea(const QPoint &point)
-{
- if (!m_scrollArea || !m_eventViewport)
- return point;
-
- QObject *vparent = m_eventViewport->parent();
- if (!vparent)
- return point;
-
- QGraphicsView *view = qobject_cast<QGraphicsView*>(vparent);
- if (!view)
- return point;
-
- QPoint pt = view->mapFromGlobal(point);
- return m_scrollArea->mapFromScene(view->mapToScene(pt));
-}
-
-bool ScrollerPrivate::eventFilter(QObject *obj, QEvent *event)
-{
- if (obj != m_scrollArea
- || (event->type() != QEvent::GraphicsSceneMouseMove
- && event->type() != QEvent::GraphicsSceneMousePress
- && event->type() != QEvent::GraphicsSceneMouseRelease
- /*&& event->type() != QEvent::GraphicsSceneKeyPressed
- && event->type() != QEvent::GraphicsSceneKeyReleased*/))
- return false;
-
- QGraphicsSceneMouseEvent* mouseEvent =
- static_cast<QGraphicsSceneMouseEvent*>(event);
-
- m_eventViewport = mouseEvent->widget();
-
- bool eventConsumed = false;
-
- switch (m_state) {
- case ScrollerPrivate::Stopped:
- if (mouseEvent->type() == QEvent::GraphicsSceneMousePress &&
- mouseEvent->buttons() == Qt::LeftButton) {
- m_cursorPos = QCursor::pos();
- m_speed = QPointF(0.0, 0.0);
- m_state = Started;
- }
-
- eventConsumed = true;
- break;
-
- case ScrollerPrivate::Started:
- if (mouseEvent->type() == QEvent::GraphicsSceneMouseMove) {
- m_cursorPos = QCursor::pos();
- m_state = ManualScrolling;
-
- if (!m_scrollTimer.isActive())
- m_scrollTimer.start(UpdateScrollingInterval);
- else {
- m_scrollTimer.stop();
- m_scrollTimer.start(UpdateScrollingInterval);
- }
-
- } else if (mouseEvent->type() == QEvent::MouseButtonRelease) {
- m_speed = QPoint(0, 0);
- m_state = Stopped;
-
- if (m_scrollTimer.isActive())
- m_scrollTimer.stop();
- }
- eventConsumed = true;
- break;
-
- case ScrollerPrivate::ManualScrolling:
- if (mouseEvent->type() == QEvent::GraphicsSceneMouseMove &&
- m_scrollArea->viewport()->boundingRect().contains(mouseEvent->pos()) ) {
-
- ScrollBar *hscroll = m_scrollArea->horizontalScrollBar();
- ScrollBar *vscroll = m_scrollArea->verticalScrollBar();
-
- QPointF d = m_scrollFactor * (mapToScrollArea(QCursor::pos()) - mapToScrollArea(m_cursorPos));
-
- hscroll->setSliderPosition(hscroll->sliderPosition() - d.x());
- vscroll->setSliderPosition(vscroll->sliderPosition() - d.y());
-
- if (m_lastCursorTime.elapsed() > UpdateScrollingInterval) {
- m_speed = mapToScrollArea(QCursor::pos()) - mapToScrollArea(m_cursorPos);
- m_lastCursorTime.restart();
- }
-
- m_lastFrameTime.restart();
-
- m_cursorPos = QCursor::pos();
- } else if (mouseEvent->type() == QEvent::GraphicsSceneMouseRelease) {
- m_state = AutoScrolling;
- m_scrollSlowAccum = 0;
- if (m_scrollTimer.isActive()) {
- m_scrollTimer.stop();
- m_scrollTimer.start(UpdateScrollingSmoothInterval);
- }
- }
- eventConsumed = true;
- break;
-
- case ScrollerPrivate::AutoScrolling:
- if (mouseEvent->type() == QEvent::GraphicsSceneMousePress) {
- stopScrolling();
- } else if (mouseEvent->type() == QEvent::MouseButtonRelease) {
- m_state = Stopped;
- }
- eventConsumed = true;
- break;
-
- default:
- break;
- }
-
- return eventConsumed;
-}
-
-void ScrollerPrivate::updateScrolling()
-{
- bool scrollOngoing = false;
-
- if (!m_scrollArea) {
- m_scrollTimer.stop();
- return;
- }
-
- if (m_state == ManualScrolling) {
- scrollOngoing = true;
- m_speed = mapToScrollArea(QCursor::pos()) - mapToScrollArea(m_cursorPos);
- m_cursorPos = QCursor::pos();
- } else if (m_state == AutoScrolling) {
- scrollOngoing = true;
-
-
- qreal x = qMax(-MaxScrollingSpeed, qMin(m_speed.x(), MaxScrollingSpeed));
- qreal y = qMax(-MaxScrollingSpeed, qMin(m_speed.y(), MaxScrollingSpeed));
-
- int sinceLast = m_lastFrameTime.elapsed();
- int slowdown = (ScrollStep * sinceLast) + m_scrollSlowAccum;
- m_scrollSlowAccum = slowdown & 0x3F;
- slowdown >>= 6;
-
- if (x > 0)
- x= qMax(qreal(0.0), x - slowdown);
- else
- x = qMin(qreal(0.0), x + slowdown);
-
- if (y > 0)
- y = qMax(qreal(0.0), y - slowdown);
- else
- y = qMin(qreal(0.0), y + slowdown);
-
- m_speed = QPoint(x,y);
-
- if (m_speed != QPoint(0,0)) {
- QPointF d;
-
- int xstep = (int(m_speed.x()) * sinceLast)>>6; // >>6 ~= *60 /1000 (==*64 /1024)
- int ystep = (int(m_speed.y()) * sinceLast)>>6;
- //qDebug() << sinceLast << "speedy" << speed.y()<<"ystep" << ystep;
- QPoint step = QPoint(xstep,ystep);
-
- if (ystep > 0)
- d = (m_scrollArea->pos() + step);
- else
- d = -(m_scrollArea->pos() - step);
-
- ScrollBar *hscroll = m_scrollArea->horizontalScrollBar();
- ScrollBar *vscroll = m_scrollArea->verticalScrollBar();
-
- hscroll->setSliderPosition(hscroll->sliderPosition() - m_scrollFactor * d.x());
- vscroll->setSliderPosition(vscroll->sliderPosition() - m_scrollFactor * d.y());
- } else {
- m_state = Stopped;
- scrollOngoing = false;
- }
- }
-
- m_lastFrameTime.restart();
-
- if (!scrollOngoing)
- m_scrollTimer.stop();
-}
-
-
-Scroller::Scroller(QObject *parent)
- : QObject(parent), d_ptr(new ScrollerPrivate(this))
-{
- Q_D(Scroller);
- connect(&d->m_scrollTimer, SIGNAL(timeout()), this, SLOT(updateScrolling()));
-}
-
-Scroller::~Scroller()
-{
- delete d_ptr;
-}
-
-void Scroller::setScrollable(AbstractScrollArea *area)
-{
- Q_D(Scroller);
-
- if (!area)
- return;
-
- d->m_scrollArea = area;
-}
-
-void Scroller::setScrollFactor(qreal scrollFactor)
-{
- Q_D(Scroller);
-
- d->m_scrollFactor = scrollFactor;
-}
-
-bool Scroller::eventFilter(QObject *obj, QEvent *event)
-{
- Q_D(Scroller);
- return d->eventFilter(obj, event);
-}
-
-void Scroller::stopScrolling()
-{
- Q_D(Scroller);
- d->stopScrolling();
-}
-#include "moc_scroller.cpp"