| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt Charts module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL$ |
| ** 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 or (at your option) any later version |
| ** approved by the KDE Free Qt Foundation. The licenses are as published by |
| ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
| ** 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 <private/polarchartaxis_p.h> |
| #include <private/qabstractaxis_p.h> |
| #include <private/chartpresenter_p.h> |
| #include <QtCharts/QValueAxis> |
| |
| QT_CHARTS_BEGIN_NAMESPACE |
| |
| PolarChartAxis::PolarChartAxis(QAbstractAxis *axis, QGraphicsItem *item, bool intervalAxis) |
| : ChartAxisElement(axis, item, intervalAxis) |
| { |
| } |
| |
| PolarChartAxis::~PolarChartAxis() |
| { |
| |
| } |
| |
| void PolarChartAxis::setGeometry(const QRectF &axis, const QRectF &grid) |
| { |
| Q_UNUSED(grid); |
| setAxisGeometry(axis); |
| |
| if (isEmpty()) { |
| prepareGeometryChange(); |
| return; |
| } |
| |
| QVector<qreal> layout = calculateLayout(); |
| updateLayout(layout); |
| } |
| |
| QRectF PolarChartAxis::gridGeometry() const |
| { |
| return QRectF(); |
| } |
| |
| void PolarChartAxis::updateLayout(QVector<qreal> &layout) |
| { |
| int diff = ChartAxisElement::layout().size() - layout.size(); |
| |
| if (animation()) { |
| switch (presenter()->state()) { |
| case ChartPresenter::ZoomInState: |
| case ChartPresenter::ZoomOutState: |
| case ChartPresenter::ScrollUpState: |
| case ChartPresenter::ScrollLeftState: |
| case ChartPresenter::ScrollDownState: |
| case ChartPresenter::ScrollRightState: |
| case ChartPresenter::ShowState: |
| animation()->setAnimationType(AxisAnimation::DefaultAnimation); |
| break; |
| } |
| // Update to "old" geometry before starting animation to avoid incorrectly sized |
| // axes lingering in wrong position compared to series plot before animation can kick in. |
| // Note that the position mismatch still exists even with this update, but it will be |
| // far less ugly. |
| if (ChartAxisElement::layout().size() != 0) |
| updateGeometry(); |
| } |
| |
| if (diff > 0) |
| deleteItems(diff); |
| else if (diff <= 0) |
| createItems(-diff); |
| |
| updateMinorTickItems(); |
| |
| if (animation()) { |
| animation()->setValues(ChartAxisElement::layout(), layout); |
| presenter()->startAnimation(animation()); |
| } else { |
| setLayout(layout); |
| updateGeometry(); |
| } |
| } |
| |
| bool PolarChartAxis::isEmpty() |
| { |
| return !axisGeometry().isValid() || qFuzzyIsNull(min() - max()); |
| } |
| |
| void PolarChartAxis::deleteItems(int count) |
| { |
| QList<QGraphicsItem *> gridLines = gridItems(); |
| QList<QGraphicsItem *> labels = labelItems(); |
| QList<QGraphicsItem *> shades = shadeItems(); |
| QList<QGraphicsItem *> axis = arrowItems(); |
| |
| for (int i = 0; i < count; ++i) { |
| if (gridItems().size() == 1 || (((gridLines.size() + 1) % 2) && gridLines.size() > 0)) |
| delete(shades.takeLast()); |
| delete(gridLines.takeLast()); |
| delete(labels.takeLast()); |
| delete(axis.takeLast()); |
| } |
| } |
| |
| void PolarChartAxis::handleShadesBrushChanged(const QBrush &brush) |
| { |
| foreach (QGraphicsItem *item, shadeItems()) |
| static_cast<QGraphicsPathItem *>(item)->setBrush(brush); |
| } |
| |
| void PolarChartAxis::handleShadesPenChanged(const QPen &pen) |
| { |
| foreach (QGraphicsItem *item, shadeItems()) |
| static_cast<QGraphicsPathItem *>(item)->setPen(pen); |
| } |
| |
| QT_CHARTS_END_NAMESPACE |
| |
| #include "moc_polarchartaxis_p.cpp" |