pathshapes/ellipse/EllipseShapeConfigWidget.cpp

0001 /* This file is part of the KDE project
0002  * SPDX-FileCopyrightText: 2007 Jan Hambrecht <jaham@gmx.net>
0003  *
0004  * SPDX-License-Identifier: LGPL-2.0-or-later
0005  */
0006
0007 #include "EllipseShapeConfigWidget.h"
0008 #include "EllipseShapeConfigCommand.h"
0009 #include <klocalizedstring.h>
0010 #include <kis_signals_blocker.h>
0011 #include "kis_assert.h"
0012
0013 EllipseShapeConfigWidget::EllipseShapeConfigWidget()
0014     : m_ellipse(0)
0015 {
0016     widget.setupUi(this);
0017
0018     widget.ellipseType->clear();
0019     widget.ellipseType->addItem(i18n("Arc"));
0020     widget.ellipseType->addItem(i18n("Pie"));
0021     widget.ellipseType->addItem(i18n("Chord"));
0022
0023     widget.startAngle->setFlipOptionsMode(KisAngleSelector::FlipOptionsMode_MenuButton);
0024
0025     widget.endAngle->setFlipOptionsMode(KisAngleSelector::FlipOptionsMode_MenuButton);
0026
0027     connect(widget.ellipseType, SIGNAL(currentIndexChanged(int)), this, SIGNAL(propertyChanged()));
0028     connect(widget.startAngle, SIGNAL(angleChanged(qreal)), this, SIGNAL(propertyChanged()));
0029     connect(widget.endAngle, SIGNAL(angleChanged(qreal)), this, SIGNAL(propertyChanged()));
0030     connect(widget.closeEllipse, SIGNAL(clicked(bool)), this, SLOT(closeEllipse()));
0031 }
0032
0033 void EllipseShapeConfigWidget::open(KoShape *shape)
0034 {
0035     if (m_ellipse) {
0036         m_ellipse->removeShapeChangeListener(this);
0037     }
0038
0039     m_ellipse = dynamic_cast<EllipseShape *>(shape);
0040     if (!m_ellipse) return;
0041
0042     loadPropertiesFromShape(m_ellipse);
0043
0044     m_ellipse->addShapeChangeListener(this);
0045 }
0046
0047 void EllipseShapeConfigWidget::loadPropertiesFromShape(EllipseShape *shape)
0048 {
0049     KisSignalsBlocker b(widget.ellipseType, widget.startAngle, widget.endAngle);
0050
0051     widget.ellipseType->setCurrentIndex(shape->type());
0052     widget.startAngle->setAngle(shape->startAngle());
0053     widget.endAngle->setAngle(shape->endAngle());
0054 }
0055
0056
0057 void EllipseShapeConfigWidget::save()
0058 {
0059     if (!m_ellipse) {
0060         return;
0061     }
0062
0063     m_ellipse->setType(static_cast<EllipseShape::EllipseType>(widget.ellipseType->currentIndex()));
0064     m_ellipse->setStartAngle(widget.startAngle->angle());
0065     m_ellipse->setEndAngle(widget.endAngle->angle());
0066 }
0067
0068 KUndo2Command *EllipseShapeConfigWidget::createCommand()
0069 {
0070     if (!m_ellipse) {
0071         return 0;
0072     } else {
0073         EllipseShape::EllipseType type = static_cast<EllipseShape::EllipseType>(widget.ellipseType->currentIndex());
0074         return new EllipseShapeConfigCommand(m_ellipse, type, widget.startAngle->angle(), widget.endAngle->angle());
0075     }
0076 }
0077
0078 void EllipseShapeConfigWidget::notifyShapeChanged(KoShape::ChangeType type, KoShape *shape)
0079 {
0080     KIS_SAFE_ASSERT_RECOVER_RETURN(m_ellipse && shape == m_ellipse);
0081
0082     if (type == KoShape::ParameterChanged) {
0083         open(m_ellipse);
0084     }
0085 }
0086
0087 void EllipseShapeConfigWidget::closeEllipse()
0088 {
0089     widget.startAngle->blockSignals(true);
0090     widget.endAngle->blockSignals(true);
0091
0092     widget.startAngle->setAngle(0.0);
0093     widget.endAngle->setAngle(360.0);
0094
0095     widget.startAngle->blockSignals(false);
0096     widget.endAngle->blockSignals(false);
0097
0098     emit propertyChanged();
0099 }