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https://bitbucket.org/smil3y/kdelibs.git
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82fc15f54b
for compatibilty reasons automoc4 support is not removed but it shall be in the future. automoc4 has not been maintained for a while (last commit is from 2011) and the stable release is from 2009. CMake version >= 2.8.6 provides the functionality for mocking so I see no reason to not make use of it.
119 lines
2.9 KiB
C++
119 lines
2.9 KiB
C++
/* This file is part of the KDE libraries
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Copyright (C) 2001 Frerich Raabe <raabe@kde.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License version 2 as published by the Free Software Foundation.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "karrowbutton.h"
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#include <QStyle>
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#include <QStyleOptionFrame>
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#include <QPainter>
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#include <assert.h>
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class KArrowButtonPrivate
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{
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public:
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Qt::ArrowType arrow;
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};
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KArrowButton::KArrowButton(QWidget *parent, Qt::ArrowType arrow)
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: QPushButton(parent),d(new KArrowButtonPrivate())
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{
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d->arrow = arrow;
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}
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KArrowButton::~KArrowButton()
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{
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delete d;
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}
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QSize KArrowButton::sizeHint() const
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{
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return QSize( 12, 12 );
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}
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void KArrowButton::setArrowType(Qt::ArrowType a)
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{
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if (d->arrow != a) {
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d->arrow = a;
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repaint();
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}
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}
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Qt::ArrowType KArrowButton::arrowType() const
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{
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return d->arrow;
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}
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void KArrowButton::paintEvent(QPaintEvent*)
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{
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QPainter p(this);
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const unsigned int arrowSize = 8;
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const unsigned int margin = 2;
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QStyleOptionFrame opt;
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opt.init(this);
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opt.lineWidth = 2;
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opt.midLineWidth = 0;
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p.fillRect( rect(), palette().brush( QPalette::Background ) );
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style()->drawPrimitive( QStyle::PE_Frame, &opt, &p, this);
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if (d->arrow == Qt::NoArrow)
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return;
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if (static_cast<unsigned int>(width()) < arrowSize + margin ||
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static_cast<unsigned int>(height()) < arrowSize + margin)
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return; // don't draw arrows if we are too small
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unsigned int x = 0, y = 0;
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if (d->arrow == Qt::DownArrow) {
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x = (width() - arrowSize) / 2;
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y = height() - (arrowSize + margin);
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} else if (d->arrow == Qt::UpArrow) {
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x = (width() - arrowSize) / 2;
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y = margin;
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} else if (d->arrow == Qt::RightArrow) {
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x = width() - (arrowSize + margin);
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y = (height() - arrowSize) / 2;
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} else { // arrowType == LeftArrow
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x = margin;
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y = (height() - arrowSize) / 2;
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}
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if (isDown()) {
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x++;
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y++;
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}
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QStyle::PrimitiveElement e = QStyle::PE_IndicatorArrowLeft;
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switch (d->arrow)
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{
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case Qt::LeftArrow: e = QStyle::PE_IndicatorArrowLeft; break;
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case Qt::RightArrow: e = QStyle::PE_IndicatorArrowRight; break;
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case Qt::UpArrow: e = QStyle::PE_IndicatorArrowUp; break;
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case Qt::DownArrow: e = QStyle::PE_IndicatorArrowDown; break;
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case Qt::NoArrow: assert( 0 ); break;
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}
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opt.state |= QStyle::State_Enabled;
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opt.rect = QRect( x, y, arrowSize, arrowSize);
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style()->drawPrimitive( e, &opt, &p, this );
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}
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#include "moc_karrowbutton.cpp"
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