5635823e17
As in the past, to avoid rewriting various autotests that contain line-number information, an extra blank line has been inserted at the end of the license text to ensure that this commit does not change the total number of lines in the license header. Change-Id: I311e001373776812699d6efc045b5f742890c689 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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** Contact: http://www.qt-project.org/
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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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**
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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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