diff options
Diffstat (limited to 'src/axis/datetimeaxis/chartdatetimeaxisx.cpp')
-rw-r--r-- | src/axis/datetimeaxis/chartdatetimeaxisx.cpp | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/src/axis/datetimeaxis/chartdatetimeaxisx.cpp b/src/axis/datetimeaxis/chartdatetimeaxisx.cpp deleted file mode 100644 index 4298a137..00000000 --- a/src/axis/datetimeaxis/chartdatetimeaxisx.cpp +++ /dev/null @@ -1,131 +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 "chartdatetimeaxisx_p.h" -#include "chartpresenter_p.h" -#include "qdatetimeaxis.h" -#include "abstractchartlayout_p.h" -#include <QGraphicsLayout> -#include <QDateTime> -#include <qmath.h> - -QTCOMMERCIALCHART_BEGIN_NAMESPACE - -ChartDateTimeAxisX::ChartDateTimeAxisX(QDateTimeAxis *axis, QGraphicsItem *item) - : HorizontalAxis(axis, item), - m_axis(axis) -{ - QObject::connect(m_axis, SIGNAL(tickCountChanged(int)), this, SLOT(handleTickCountChanged(int))); - QObject::connect(m_axis, SIGNAL(formatChanged(QString)), this, SLOT(handleFormatChanged(QString))); -} - -ChartDateTimeAxisX::~ChartDateTimeAxisX() -{ -} - -QVector<qreal> ChartDateTimeAxisX::calculateLayout() const -{ - int tickCount = m_axis->tickCount(); - - Q_ASSERT(tickCount >= 2); - - QVector<qreal> points; - points.resize(tickCount); - const QRectF &gridRect = gridGeometry(); - const qreal deltaX = gridRect.width() / (qreal(tickCount) - 1.0); - for (int i = 0; i < tickCount; ++i) - points[i] = qreal(i) * deltaX + gridRect.left(); - return points; -} - -void ChartDateTimeAxisX::updateGeometry() -{ - const QVector<qreal>& layout = ChartAxisElement::layout(); - if (layout.isEmpty()) - return; - setLabels(createDateTimeLabels(min(), max(), layout.size(), m_axis->format())); - HorizontalAxis::updateGeometry(); -} - -void ChartDateTimeAxisX::handleTickCountChanged(int tick) -{ - Q_UNUSED(tick) - QGraphicsLayoutItem::updateGeometry(); - if (presenter()) - presenter()->layout()->invalidate(); -} - -void ChartDateTimeAxisX::handleFormatChanged(const QString &format) -{ - Q_UNUSED(format); - QGraphicsLayoutItem::updateGeometry(); - if (presenter()) - presenter()->layout()->invalidate(); -} - -QSizeF ChartDateTimeAxisX::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const -{ - Q_UNUSED(constraint) - - QSizeF sh; - - QSizeF base = HorizontalAxis::sizeHint(which, constraint); - QStringList ticksList = createDateTimeLabels(min(), max(), m_axis->tickCount(), m_axis->format()); - // Width of horizontal axis sizeHint indicates the maximum distance labels can extend past - // first and last ticks. Base width is irrelevant. - qreal width = 0; - qreal height = 0; - - if (ticksList.empty()) - return sh; - - switch (which) { - case Qt::MinimumSize: { - QRectF boundingRect = ChartPresenter::textBoundingRect(axis()->labelsFont(), "...", axis()->labelsAngle()); - width = boundingRect.width() / 2.0; - height = boundingRect.height() + labelPadding() + base.height() + 1.0; - sh = QSizeF(width, height); - break; - } - case Qt::PreferredSize: { - qreal labelHeight = 0.0; - qreal firstWidth = -1.0; - foreach (const QString& s, ticksList) { - QRectF rect = ChartPresenter::textBoundingRect(axis()->labelsFont(), s, axis()->labelsAngle()); - labelHeight = qMax(rect.height(), labelHeight); - width = rect.width(); - if (firstWidth < 0.0) - firstWidth = width; - } - height = labelHeight + labelPadding() + base.height() + 1.0; - width = qMax(width, firstWidth) / 2.0; - sh = QSizeF(width, height); - break; - } - default: - break; - } - - return sh; -} - -#include "moc_chartdatetimeaxisx_p.cpp" - -QTCOMMERCIALCHART_END_NAMESPACE |