/**************************************************************************** ** ** Copyright (C) 2012 Digia Plc ** All rights reserved. ** For any questions to Digia, please use contact form at http://qt.digia.com ** ** This file is part of the Qt Commercial Charts Add-on. ** ** $QT_BEGIN_LICENSE$ ** Licensees holding valid Qt Commercial licenses may use this file in ** accordance with the Qt Commercial License Agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and Digia. ** ** If you have questions regarding the use of this file, please use ** contact form at http://qt.digia.com ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "chartcategoryaxisx_p.h" #include "qcategoryaxis.h" #include "qabstractaxis.h" #include "chartpresenter_p.h" #include #include #include QTCOMMERCIALCHART_BEGIN_NAMESPACE ChartCategoryAxisX::ChartCategoryAxisX(QCategoryAxis *axis, ChartPresenter *presenter) : HorizontalAxis(axis, presenter, true), m_axis(axis) { } ChartCategoryAxisX::~ChartCategoryAxisX() { } QVector ChartCategoryAxisX::calculateLayout() const { int tickCount = m_axis->categoriesLabels().count() + 1; QVector points; if (tickCount < 2) return points; const QRectF &gridRect = gridGeometry(); qreal range = m_axis->max() - m_axis->min(); if (range > 0) { points.resize(tickCount); qreal scale = gridRect.width() / range; for (int i = 0; i < tickCount; ++i) { if (i < tickCount - 1) { int x = (m_axis->startValue(m_axis->categoriesLabels().at(i)) - m_axis->min()) * scale + gridRect.left(); points[i] = x; } else { int x = (m_axis->endValue(m_axis->categoriesLabels().at(i - 1)) - m_axis->min()) * scale + gridRect.left(); points[i] = x; } } } return points; } void ChartCategoryAxisX::updateGeometry() { setLabels(m_axis->categoriesLabels() << ""); HorizontalAxis::updateGeometry(); } void ChartCategoryAxisX::handleAxisUpdated() { updateGeometry(); ChartAxis::handleAxisUpdated(); } QSizeF ChartCategoryAxisX::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const { Q_UNUSED(constraint) QFontMetrics fn(font()); QSizeF sh; QSizeF base = ChartAxis::sizeHint(which, constraint); QStringList ticksList ; //TODO: qreal width = 0; qreal height = 0; switch (which) { case Qt::MinimumSize: width = fn.boundingRect("...").width(); height = fn.height() + labelPadding(); width = qMax(width, base.width()); height += base.height(); sh = QSizeF(width, height); break; case Qt::PreferredSize: { for (int i = 0; i < ticksList.size(); ++i) { QRectF rect = fn.boundingRect(ticksList.at(i)); width += rect.width(); height = qMax(rect.height() + labelPadding(), height); } width = qMax(width, base.width()); height += base.height(); sh = QSizeF(width, height); break; } default: break; } return sh; } QTCOMMERCIALCHART_END_NAMESPACE