1fdfc2abfe
Change-Id: I02f2c620296fcd91d4967d58767ea33fc4e1e7dc Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
453 lines
17 KiB
C++
453 lines
17 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the demonstration applications of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "arthurstyle.h"
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#include "arthurwidgets.h"
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#include <QLayout>
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#include <QPainter>
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#include <QPainterPath>
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#include <QPixmapCache>
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#include <QRadioButton>
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#include <QString>
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#include <QStyleOption>
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#include <QtDebug>
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QPixmap cached(const QString &img)
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{
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if (QPixmap *p = QPixmapCache::find(img))
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return *p;
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QPixmap pm;
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pm = QPixmap::fromImage(QImage(img), Qt::OrderedDither | Qt::OrderedAlphaDither);
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if (pm.isNull())
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return QPixmap();
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QPixmapCache::insert(img, pm);
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return pm;
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}
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ArthurStyle::ArthurStyle()
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: QWindowsStyle()
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{
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Q_INIT_RESOURCE(shared);
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}
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void ArthurStyle::drawHoverRect(QPainter *painter, const QRect &r) const
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{
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qreal h = r.height();
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qreal h2 = r.height() / qreal(2);
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QPainterPath path;
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path.addRect(r.x() + h2, r.y() + 0, r.width() - h2 * 2, r.height());
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path.addEllipse(r.x(), r.y(), h, h);
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path.addEllipse(r.x() + r.width() - h, r.y(), h, h);
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path.setFillRule(Qt::WindingFill);
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painter->setPen(Qt::NoPen);
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painter->setBrush(QColor(191, 215, 191));
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painter->setRenderHint(QPainter::Antialiasing);
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painter->drawPath(path);
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}
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void ArthurStyle::drawPrimitive(PrimitiveElement element, const QStyleOption *option,
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QPainter *painter, const QWidget *widget) const
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{
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Q_ASSERT(option);
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switch (element) {
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case PE_FrameFocusRect:
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break;
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case PE_IndicatorRadioButton:
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if (const QStyleOptionButton *button = qstyleoption_cast<const QStyleOptionButton *>(option)) {
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bool hover = (button->state & State_Enabled) && (button->state & State_MouseOver);
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painter->save();
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QPixmap radio;
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if (hover)
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drawHoverRect(painter, widget->rect());
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if (button->state & State_Sunken)
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radio = cached(":res/images/radiobutton-on.png");
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else if (button->state & State_On)
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radio = cached(":res/images/radiobutton_on.png");
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else
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radio = cached(":res/images/radiobutton_off.png");
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painter->drawPixmap(button->rect.topLeft(), radio);
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painter->restore();
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}
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break;
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case PE_PanelButtonCommand:
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if (const QStyleOptionButton *button = qstyleoption_cast<const QStyleOptionButton *>(option)) {
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bool hover = (button->state & State_Enabled) && (button->state & State_MouseOver);
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painter->save();
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const QPushButton *pushButton = qobject_cast<const QPushButton *>(widget);
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Q_ASSERT(pushButton);
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QWidget *parent = pushButton->parentWidget();
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if (parent && qobject_cast<QGroupBox *>(parent)) {
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QLinearGradient lg(0, 0, 0, parent->height());
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lg.setColorAt(0, QColor(224,224,224));
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lg.setColorAt(1, QColor(255,255,255));
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painter->setPen(Qt::NoPen);
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painter->setBrush(lg);
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painter->setBrushOrigin(-widget->mapToParent(QPoint(0,0)));
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painter->drawRect(button->rect);
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painter->setBrushOrigin(0,0);
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}
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bool down = (button->state & State_Sunken) || (button->state & State_On);
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QPixmap left, right, mid;
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if (down) {
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left = cached(":res/images/button_pressed_cap_left.png");
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right = cached(":res/images/button_pressed_cap_right.png");
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mid = cached(":res/images/button_pressed_stretch.png");
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} else {
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left = cached(":res/images/button_normal_cap_left.png");
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right = cached(":res/images/button_normal_cap_right.png");
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mid = cached(":res/images/button_normal_stretch.png");
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}
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painter->drawPixmap(button->rect.topLeft(), left);
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painter->drawTiledPixmap(QRect(button->rect.x() + left.width(),
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button->rect.y(),
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button->rect.width() - left.width() - right.width(),
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left.height()),
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mid);
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painter->drawPixmap(button->rect.x() + button->rect.width() - right.width(),
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button->rect.y(),
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right);
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if (hover)
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painter->fillRect(widget->rect().adjusted(3,5,-3,-5), QColor(31,127,31,63));
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painter->restore();
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}
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break;
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case PE_FrameGroupBox:
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if (const QStyleOptionFrameV2 *group
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= qstyleoption_cast<const QStyleOptionFrameV2 *>(option)) {
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const QRect &r = group->rect;
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painter->save();
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int radius = 14;
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int radius2 = radius*2;
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QPainterPath clipPath;
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clipPath.moveTo(radius, 0);
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clipPath.arcTo(r.right() - radius2, 0, radius2, radius2, 90, -90);
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clipPath.arcTo(r.right() - radius2, r.bottom() - radius2, radius2, radius2, 0, -90);
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clipPath.arcTo(r.left(), r.bottom() - radius2, radius2, radius2, 270, -90);
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clipPath.arcTo(r.left(), r.top(), radius2, radius2, 180, -90);
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painter->setClipPath(clipPath);
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QPixmap titleStretch = cached(":res/images/title_stretch.png");
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QPixmap topLeft = cached(":res/images/groupframe_topleft.png");
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QPixmap topRight = cached(":res/images/groupframe_topright.png");
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QPixmap bottomLeft = cached(":res/images/groupframe_bottom_left.png");
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QPixmap bottomRight = cached(":res/images/groupframe_bottom_right.png");
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QPixmap leftStretch = cached(":res/images/groupframe_left_stretch.png");
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QPixmap topStretch = cached(":res/images/groupframe_top_stretch.png");
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QPixmap rightStretch = cached(":res/images/groupframe_right_stretch.png");
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QPixmap bottomStretch = cached(":res/images/groupframe_bottom_stretch.png");
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QLinearGradient lg(0, 0, 0, r.height());
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lg.setColorAt(0, QColor(224,224,224));
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lg.setColorAt(1, QColor(255,255,255));
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painter->setPen(Qt::NoPen);
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painter->setBrush(lg);
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painter->drawRect(r.adjusted(0, titleStretch.height()/2, 0, 0));
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painter->setClipping(false);
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int topFrameOffset = titleStretch.height()/2 - 2;
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painter->drawPixmap(r.topLeft() + QPoint(0, topFrameOffset), topLeft);
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painter->drawPixmap(r.topRight() - QPoint(topRight.width()-1, 0)
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+ QPoint(0, topFrameOffset), topRight);
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painter->drawPixmap(r.bottomLeft() - QPoint(0, bottomLeft.height()-1), bottomLeft);
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painter->drawPixmap(r.bottomRight() - QPoint(bottomRight.width()-1,
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bottomRight.height()-1), bottomRight);
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QRect left = r;
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left.setY(r.y() + topLeft.height() + topFrameOffset);
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left.setWidth(leftStretch.width());
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left.setHeight(r.height() - topLeft.height() - bottomLeft.height() - topFrameOffset);
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painter->drawTiledPixmap(left, leftStretch);
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QRect top = r;
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top.setX(r.x() + topLeft.width());
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top.setY(r.y() + topFrameOffset);
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top.setWidth(r.width() - topLeft.width() - topRight.width());
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top.setHeight(topLeft.height());
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painter->drawTiledPixmap(top, topStretch);
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QRect right = r;
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right.setX(r.right() - rightStretch.width()+1);
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right.setY(r.y() + topRight.height() + topFrameOffset);
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right.setWidth(rightStretch.width());
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right.setHeight(r.height() - topRight.height()
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- bottomRight.height() - topFrameOffset);
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painter->drawTiledPixmap(right, rightStretch);
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QRect bottom = r;
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bottom.setX(r.x() + bottomLeft.width());
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bottom.setY(r.bottom() - bottomStretch.height()+1);
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bottom.setWidth(r.width() - bottomLeft.width() - bottomRight.width());
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bottom.setHeight(bottomLeft.height());
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painter->drawTiledPixmap(bottom, bottomStretch);
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painter->restore();
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}
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break;
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default:
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QWindowsStyle::drawPrimitive(element, option, painter, widget);
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break;
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}
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return;
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}
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void ArthurStyle::drawComplexControl(ComplexControl control, const QStyleOptionComplex *option,
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QPainter *painter, const QWidget *widget) const
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{
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switch (control) {
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case CC_Slider:
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if (const QStyleOptionSlider *slider = qstyleoption_cast<const QStyleOptionSlider *>(option)) {
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QRect groove = subControlRect(CC_Slider, option, SC_SliderGroove, widget);
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QRect handle = subControlRect(CC_Slider, option, SC_SliderHandle, widget);
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painter->save();
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bool hover = (slider->state & State_Enabled) && (slider->state & State_MouseOver);
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if (hover) {
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QRect moderated = widget->rect().adjusted(0, 4, 0, -4);
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drawHoverRect(painter, moderated);
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}
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if ((option->subControls & SC_SliderGroove) && groove.isValid()) {
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QPixmap grv = cached(":res/images/slider_bar.png");
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painter->drawPixmap(QRect(groove.x() + 5, groove.y(),
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groove.width() - 10, grv.height()),
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grv);
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}
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if ((option->subControls & SC_SliderHandle) && handle.isValid()) {
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QPixmap hndl = cached(":res/images/slider_thumb_on.png");
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painter->drawPixmap(handle.topLeft(), hndl);
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}
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painter->restore();
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}
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break;
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case CC_GroupBox:
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if (const QStyleOptionGroupBox *groupBox
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= qstyleoption_cast<const QStyleOptionGroupBox *>(option)) {
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QStyleOptionGroupBox groupBoxCopy(*groupBox);
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groupBoxCopy.subControls &= ~SC_GroupBoxLabel;
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QWindowsStyle::drawComplexControl(control, &groupBoxCopy, painter, widget);
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if (groupBox->subControls & SC_GroupBoxLabel) {
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const QRect &r = groupBox->rect;
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QPixmap titleLeft = cached(":res/images/title_cap_left.png");
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QPixmap titleRight = cached(":res/images/title_cap_right.png");
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QPixmap titleStretch = cached(":res/images/title_stretch.png");
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int txt_width = groupBox->fontMetrics.width(groupBox->text) + 20;
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painter->drawPixmap(r.center().x() - txt_width/2, 0, titleLeft);
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QRect tileRect = subControlRect(control, groupBox, SC_GroupBoxLabel, widget);
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painter->drawTiledPixmap(tileRect, titleStretch);
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painter->drawPixmap(tileRect.x() + tileRect.width(), 0, titleRight);
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int opacity = 31;
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painter->setPen(QColor(0, 0, 0, opacity));
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painter->drawText(tileRect.translated(0, 1),
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Qt::AlignVCenter | Qt::AlignHCenter, groupBox->text);
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painter->drawText(tileRect.translated(2, 1),
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Qt::AlignVCenter | Qt::AlignHCenter, groupBox->text);
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painter->setPen(QColor(0, 0, 0, opacity * 2));
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painter->drawText(tileRect.translated(1, 1),
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Qt::AlignVCenter | Qt::AlignHCenter, groupBox->text);
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painter->setPen(Qt::white);
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painter->drawText(tileRect, Qt::AlignVCenter | Qt::AlignHCenter, groupBox->text);
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}
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}
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break;
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default:
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QWindowsStyle::drawComplexControl(control, option, painter, widget);
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break;
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}
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return;
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}
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QRect ArthurStyle::subControlRect(ComplexControl control, const QStyleOptionComplex *option,
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SubControl subControl, const QWidget *widget) const
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{
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QRect rect;
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switch (control) {
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default:
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rect = QWindowsStyle::subControlRect(control, option, subControl, widget);
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break;
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case CC_GroupBox:
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if (const QStyleOptionGroupBox *group
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= qstyleoption_cast<const QStyleOptionGroupBox *>(option)) {
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switch (subControl) {
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default:
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rect = QWindowsStyle::subControlRect(control, option, subControl, widget);
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break;
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case SC_GroupBoxContents:
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rect = QWindowsStyle::subControlRect(control, option, subControl, widget);
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rect.adjust(0, -8, 0, 0);
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break;
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case SC_GroupBoxFrame:
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rect = group->rect;
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break;
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case SC_GroupBoxLabel:
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QPixmap titleLeft = cached(":res/images/title_cap_left.png");
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QPixmap titleRight = cached(":res/images/title_cap_right.png");
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QPixmap titleStretch = cached(":res/images/title_stretch.png");
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int txt_width = group->fontMetrics.width(group->text) + 20;
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rect = QRect(group->rect.center().x() - txt_width/2 + titleLeft.width(), 0,
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txt_width - titleLeft.width() - titleRight.width(),
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titleStretch.height());
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break;
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}
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}
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break;
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}
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if (control == CC_Slider && subControl == SC_SliderHandle) {
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rect.setWidth(13);
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rect.setHeight(27);
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} else if (control == CC_Slider && subControl == SC_SliderGroove) {
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rect.setHeight(9);
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rect.moveTop(27/2 - 9/2);
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}
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return rect;
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}
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QSize ArthurStyle::sizeFromContents(ContentsType type, const QStyleOption *option,
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const QSize &size, const QWidget *widget) const
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{
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QSize newSize = QWindowsStyle::sizeFromContents(type, option, size, widget);
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switch (type) {
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case CT_RadioButton:
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newSize += QSize(20, 0);
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break;
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case CT_PushButton:
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newSize.setHeight(26);
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break;
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case CT_Slider:
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newSize.setHeight(27);
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break;
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default:
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break;
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}
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return newSize;
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}
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int ArthurStyle::pixelMetric(PixelMetric pm, const QStyleOption *opt, const QWidget *widget) const
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{
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if (pm == PM_SliderLength)
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return 13;
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return QWindowsStyle::pixelMetric(pm, opt, widget);
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}
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void ArthurStyle::polish(QWidget *widget)
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{
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if (widget->layout() && qobject_cast<QGroupBox *>(widget)) {
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if (widget->findChildren<QGroupBox *>().size() == 0) {
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widget->layout()->setSpacing(0);
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widget->layout()->setMargin(12);
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} else {
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widget->layout()->setMargin(13);
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}
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}
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if (qobject_cast<QPushButton *>(widget)
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|| qobject_cast<QRadioButton *>(widget)
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|| qobject_cast<QSlider *>(widget)) {
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widget->setAttribute(Qt::WA_Hover);
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}
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QPalette pal = widget->palette();
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if (widget->isWindow()) {
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pal.setColor(QPalette::Background, QColor(241, 241, 241));
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widget->setPalette(pal);
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}
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}
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void ArthurStyle::unpolish(QWidget *widget)
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{
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if (qobject_cast<QPushButton *>(widget)
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|| qobject_cast<QRadioButton *>(widget)
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|| qobject_cast<QSlider *>(widget)) {
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widget->setAttribute(Qt::WA_Hover, false);
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}
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}
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void ArthurStyle::polish(QPalette &palette)
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{
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palette.setColor(QPalette::Background, QColor(241, 241, 241));
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}
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QRect ArthurStyle::subElementRect(SubElement element, const QStyleOption *option, const QWidget *widget) const
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{
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QRect r;
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switch(element) {
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case SE_RadioButtonClickRect:
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r = widget->rect();
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break;
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case SE_RadioButtonContents:
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r = widget->rect().adjusted(20, 0, 0, 0);
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break;
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default:
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r = QWindowsStyle::subElementRect(element, option, widget);
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break;
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}
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if (qobject_cast<const QRadioButton*>(widget))
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r = r.adjusted(5, 0, -5, 0);
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return r;
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}
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