diff options
Diffstat (limited to 'tests/benchmarks/gui/graphicsview/functional/GraphicsViewBenchmark/widgets/button.cpp')
| -rw-r--r-- | tests/benchmarks/gui/graphicsview/functional/GraphicsViewBenchmark/widgets/button.cpp | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/tests/benchmarks/gui/graphicsview/functional/GraphicsViewBenchmark/widgets/button.cpp b/tests/benchmarks/gui/graphicsview/functional/GraphicsViewBenchmark/widgets/button.cpp new file mode 100644 index 0000000..6a8e81c --- /dev/null +++ b/tests/benchmarks/gui/graphicsview/functional/GraphicsViewBenchmark/widgets/button.cpp @@ -0,0 +1,209 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at http://qt.nokia.com/contact. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui> +#include "button.h" +#include "theme.h" + +static const int MinTextWidthAsChars = 8; + +class ButtonPrivate { + Q_DECLARE_PUBLIC(Button) + +public: + + ButtonPrivate(Button *button) + : down(false) + , q_ptr(button) + { + textItem = new QGraphicsSimpleTextItem(q_ptr); + } + + QGraphicsSimpleTextItem *textItem; + bool down; + Button *q_ptr; +}; + +Button::Button(const QString &text, QGraphicsItem *parent, QSizeF minimumSize) + : QGraphicsWidget(parent) + , d_ptr(new ButtonPrivate(this)), m_background(), m_selected(false) +{ + Q_D(Button); + setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Fixed); + //setCacheMode(QGraphicsItem::ItemCoordinateCache); + if(minimumSize.isValid()) + setMinimumSize(minimumSize); + setContentsMargins(0, 0, 0, 0); + d->textItem->setText(text); + prepareGeometryChange(); + + m_font = Theme::p()->font(Theme::MenuItem); + d->textItem->setFont(m_font); + connect(Theme::p(), SIGNAL(themeChanged()), this, SLOT(themeChange())); +} + +Button::~Button() +{ + delete d_ptr; +} + +bool Button::isDown() +{ + Q_D(Button); + + return d->down; +} + +void Button::setText(const QString &text) +{ + Q_D(Button); + d->textItem->setText(text); + update(); +} + +QString Button::text() +{ + Q_D(Button); + return d->textItem->text(); +} + +void Button::paint(QPainter *painter, + const QStyleOptionGraphicsItem *option, + QWidget *widget) +{ + Q_UNUSED(widget); + Q_UNUSED(option); + + if(!m_background.isNull()) + painter->drawPixmap(QPoint(), m_background); + if(m_selected) { + painter->setBrush(Qt::black); + painter->setOpacity(0.2); + painter->drawRect(boundingRect().toRect()); + } +} + +QSizeF Button::sizeHint(Qt::SizeHint which, + const QSizeF &constraint) const +{ + Q_D(const Button); + + switch (which) + { + case Qt::MinimumSize: + { + QFontMetricsF fm(d->textItem->font()); + return QSizeF(MinTextWidthAsChars * fm.maxWidth(), fm.height()); + } + case Qt::PreferredSize: + { + QFontMetricsF fm(d->textItem->font()); + return QSizeF(fm.width(d->textItem->text()), fm.height()); + } + default: + return QGraphicsWidget::sizeHint(which, constraint); + } +} + +void Button::mousePressEvent(QGraphicsSceneMouseEvent *event) +{ + Q_D(Button); + + if (event->button() != Qt::LeftButton || + !sceneBoundingRect().contains(event->scenePos())) + return; + + d->down = true; + + prepareGeometryChange(); + emit pressed(); + +} + +void Button::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) +{ + Q_D(Button); + + if (!d->down || event->button() != Qt::LeftButton) + return; + + d->down = false; + + prepareGeometryChange(); + + emit released(); + + if (sceneBoundingRect().contains(event->scenePos())) + emit clicked(); +} + +void Button::mouseMoveEvent(QGraphicsSceneMouseEvent *event) +{ + Q_UNUSED(event); +} + +void Button::resizeEvent(QGraphicsSceneResizeEvent *event) +{ + Q_D(Button); + QGraphicsWidget::resizeEvent(event); + + QRectF rect = d->textItem->boundingRect(); + QRectF buttonrect = this->boundingRect(); + d->textItem->setPos((buttonrect.width() - rect.width())/2, (buttonrect.height() - rect.height())/2 ); + + QSize currentSize = buttonrect.size().toSize(); + if( m_background.size() != currentSize && (currentSize.width() > 0 && currentSize.height() > 0) ) { + m_background = Theme::p()->pixmap("status_field_middle.svg", buttonrect.size().toSize()); + } +} + +void Button::setBackground(QPixmap& background) +{ + m_background = background; +} + +void Button::themeChange() +{ + Q_D(Button); + + m_font = Theme::p()->font(Theme::MenuItem); + d->textItem->setFont(m_font); +} |