summaryrefslogtreecommitdiffstats
path: root/tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/button.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/button.cpp')
-rw-r--r--tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/button.cpp196
1 files changed, 196 insertions, 0 deletions
diff --git a/tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/button.cpp b/tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/button.cpp
new file mode 100644
index 0000000000..b8bd55789d
--- /dev/null
+++ b/tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/button.cpp
@@ -0,0 +1,196 @@
+/****************************************************************************
+**
+** 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 <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.horizontalAdvance(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);
+}