diff options
Diffstat (limited to 'src/axis/barcategoryaxis/chartbarcategoryaxisx.cpp')
-rw-r--r-- | src/axis/barcategoryaxis/chartbarcategoryaxisx.cpp | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/src/axis/barcategoryaxis/chartbarcategoryaxisx.cpp b/src/axis/barcategoryaxis/chartbarcategoryaxisx.cpp deleted file mode 100644 index af9932b3..00000000 --- a/src/axis/barcategoryaxis/chartbarcategoryaxisx.cpp +++ /dev/null @@ -1,138 +0,0 @@ -/**************************************************************************** - ** - ** Copyright (C) 2014 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 Enterprise Charts Add-on. - ** - ** $QT_BEGIN_LICENSE$ - ** Licensees holding valid Qt Enterprise licenses may use this file in - ** accordance with the Qt Enterprise 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 "chartbarcategoryaxisx_p.h" -#include "chartpresenter_p.h" -#include "qbarcategoryaxis_p.h" -#include "abstractchartlayout_p.h" -#include <QDebug> -#include <qmath.h> - -QTCOMMERCIALCHART_BEGIN_NAMESPACE - -ChartBarCategoryAxisX::ChartBarCategoryAxisX(QBarCategoryAxis *axis, QGraphicsItem* item) - : HorizontalAxis(axis, item, true), - m_categoriesAxis(axis) -{ - QObject::connect(m_categoriesAxis,SIGNAL(categoriesChanged()),this, SLOT(handleCategoriesChanged())); - handleCategoriesChanged(); -} - -ChartBarCategoryAxisX::~ChartBarCategoryAxisX() -{ -} - -QVector<qreal> ChartBarCategoryAxisX::calculateLayout() const -{ - QVector<qreal> points; - const QRectF& gridRect = gridGeometry(); - qreal range = max() - min(); - const qreal delta = gridRect.width() / range; - - if (delta < 2) - return points; - - qreal adjustedMin = min() + 0.5; - qreal offset = (ceil(adjustedMin) - adjustedMin) * delta; - - int count = qFloor(range); - if (count < 1) - return points; - - points.resize(count + 2); - - for (int i = 0; i < count + 2; ++i) - points[i] = offset + (qreal(i) * delta) + gridRect.left(); - - return points; -} - -QStringList ChartBarCategoryAxisX::createCategoryLabels(const QVector<qreal>& layout) const -{ - QStringList result ; - const QRectF &gridRect = gridGeometry(); - qreal d = (max() - min()) / gridRect.width(); - - for (int i = 0; i < layout.count() - 1; ++i) { - qreal x = qFloor((((layout[i] + layout[i + 1]) / 2 - gridRect.left()) * d + min() + 0.5)); - if ((x < m_categoriesAxis->categories().count()) && (x >= 0)) { - result << m_categoriesAxis->categories().at(x); - } else { - // No label for x coordinate - result << ""; - } - } - result << ""; - return result; -} - - -void ChartBarCategoryAxisX::updateGeometry() -{ - const QVector<qreal>& layout = ChartAxisElement::layout(); - if (layout.isEmpty()) - return; - setLabels(createCategoryLabels(layout)); - HorizontalAxis::updateGeometry(); -} - -void ChartBarCategoryAxisX::handleCategoriesChanged() -{ - QGraphicsLayoutItem::updateGeometry(); - if(presenter()) presenter()->layout()->invalidate(); -} - -QSizeF ChartBarCategoryAxisX::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const -{ - Q_UNUSED(constraint) - - QSizeF sh; - QSizeF base = HorizontalAxis::sizeHint(which, constraint); - QStringList ticksList = m_categoriesAxis->categories(); - - qreal width = 0; // Width is irrelevant for X axes with interval labels - qreal height = 0; - - switch (which) { - case Qt::MinimumSize: { - QRectF boundingRect = ChartPresenter::textBoundingRect(axis()->labelsFont(), "...", axis()->labelsAngle()); - height = boundingRect.height() + labelPadding() + base.height() + 1.0; - sh = QSizeF(width, height); - break; - } - case Qt::PreferredSize:{ - qreal labelHeight = 0.0; - foreach (const QString& s, ticksList) { - QRectF rect = ChartPresenter::textBoundingRect(axis()->labelsFont(), s, axis()->labelsAngle()); - labelHeight = qMax(rect.height(), labelHeight); - } - height = labelHeight + labelPadding() + base.height() + 1.0; - sh = QSizeF(width, height); - break; - } - default: - break; - } - return sh; -} - -#include "moc_chartbarcategoryaxisx_p.cpp" - -QTCOMMERCIALCHART_END_NAMESPACE |