HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · src/axis/datetimeaxis/chartdatetimeaxisx.cpp

Change missing image to a proper one in docs.

Miikka Heikkinen - - Load All Authors

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r2412:38736d0999b4


                r2417:d2a985ec6aa2

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             chartdatetimeaxisx.cpp
        
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             / src / axis / datetimeaxis / chartdatetimeaxisx.cpp
          
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        Marek Rosa
    
Added QDateTimeAxis

              r1717
            
      /****************************************************************************

      **

      ** 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 "chartdatetimeaxisx_p.h"

      #include "chartpresenter_p.h"

      #include "qdatetimeaxis.h"

        Michal Klocek
    
Adds sizeHints for datetimeaxis

              r2137
            
      #include "chartlayout_p.h"

        Marek Rosa
    
Added QDateTimeAxis

              r1717
            
      #include <QGraphicsLayout>

      #include <QDateTime>

        Michal Klocek
    
Refactor animator...

              r1735
            
      #include <QFontMetrics>

      #include <qmath.h>

        Marek Rosa
    
Added QDateTimeAxis

              r1717
            
      QTCOMMERCIALCHART_BEGIN_NAMESPACE

        Michal Klocek
    
Refactors internals...

              r2273
            
      ChartDateTimeAxisX::ChartDateTimeAxisX(QDateTimeAxis *axis, QGraphicsItem* item)

          : HorizontalAxis(axis, item),

        Jani Honkonen
    
src folder: another massive victory for coding style police

              r2131
            
            m_axis(axis)

        Marek Rosa
    
Added QDateTimeAxis

              r1717
            
      {

        Michal Klocek
    
Refactors internals...

              r2273
            
          QObject::connect(m_axis,SIGNAL(tickCountChanged(int)),this, SLOT(handleTickCountChanged(int)));

        Marek Rosa
    
Fixed: datetimeaxis not redrawing when datetime format changed

              r2326
            
          QObject::connect(m_axis,SIGNAL(formatChanged(QString)),this, SLOT(handleFormatChanged(QString)));

        Marek Rosa
    
Added QDateTimeAxis

              r1717
            
      }

      ChartDateTimeAxisX::~ChartDateTimeAxisX()

      {

      }

      QVector<qreal> ChartDateTimeAxisX::calculateLayout() const

      {

        Michal Klocek
    
Refactors internals...

              r2273
            
          int tickCount = m_axis->tickCount();

          Q_ASSERT(tickCount >= 2);

        Marek Rosa
    
Added QDateTimeAxis

              r1717
            
          QVector<qreal> points;

        Michal Klocek
    
Refactors internals...

              r2273
            
          points.resize(tickCount);

        Jani Honkonen
    
src folder: another massive victory for coding style police

              r2131
            
          const QRectF &gridRect = gridGeometry();

        Michal Klocek
    
Refactors internals...

              r2273
            
          const qreal deltaX = gridRect.width() / (tickCount - 1);

          for (int i = 0; i < tickCount; ++i) {

        Michal Klocek
    
Refactors axis updateGeometry handling...

              r2111
            
              int x = i * deltaX + gridRect.left();

        Marek Rosa
    
Added QDateTimeAxis

              r1717
            
              points[i] = x;

          }

          return points;

      }

      void ChartDateTimeAxisX::updateGeometry()

      {

          const QVector<qreal>& layout = ChartAxis::layout();

        Jani Honkonen
    
src folder: another massive victory for coding style police

              r2131
            
          if (layout.isEmpty())

              return;

        Michal Klocek
    
Refactors internals...

              r2273
            
          setLabels(createDateTimeLabels(min(),max(), layout.size(),m_axis->format()));

        Michal Klocek
    
Refactors axis updateGeometry handling...

              r2111
            
          HorizontalAxis::updateGeometry();

        Marek Rosa
    
Added QDateTimeAxis

              r1717
            
      }

        Michal Klocek
    
Refactors internals...

              r2273
            
      void ChartDateTimeAxisX::handleTickCountChanged(int tick)

        Marek Rosa
    
Added QDateTimeAxis

              r1717
            
      {

        Michal Klocek
    
Refactors internals...

              r2273
            
          Q_UNUSED(tick)

        Michal Klocek
    
Fixes even more missing layout update calls

              r2335
            
          QGraphicsLayoutItem::updateGeometry();

        Michal Klocek
    
Refactors internals...

              r2273
            
          if(presenter()) presenter()->layout()->invalidate();

        Marek Rosa
    
Added QDateTimeAxis

              r1717
            
      }

        Marek Rosa
    
Fixed: datetimeaxis not redrawing when datetime format changed

              r2326
            
      void ChartDateTimeAxisX::handleFormatChanged(const QString &format)

      {

          Q_UNUSED(format);

        Michal Klocek
    
Fixes even more missing layout update calls

              r2335
            
          QGraphicsLayoutItem::updateGeometry();

        Marek Rosa
    
Fixed: datetimeaxis not redrawing when datetime format changed

              r2326
            
          if(presenter()) presenter()->layout()->invalidate();

      }

        Jani Honkonen
    
src folder: another massive victory for coding style police

              r2131
            
      QSizeF ChartDateTimeAxisX::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const

        Michal Klocek
    
Refactors layout...

              r1965
            
      {

          Q_UNUSED(constraint)

        Michal Klocek
    
Refactors axis updateGeometry handling...

              r2111
            
          QFontMetrics fn(font());

        Michal Klocek
    
Refactors layout...

              r1965
            
          QSizeF sh;

        Michal Klocek
    
Adds sizeHints for datetimeaxis

              r2137
            
          QSizeF base = HorizontalAxis::sizeHint(which, constraint);

        Michal Klocek
    
Refactors internals...

              r2273
            
          QStringList ticksList = createDateTimeLabels(min(),max(),m_axis->tickCount(),m_axis->format());

        Michal Klocek
    
Adds sizeHints for datetimeaxis

              r2137
            
          qreal width = 0;

          qreal height = 0;

        Michal Klocek
    
Refactors internals...

              r2273
            
          if(ticksList.empty()){

              return sh;

          }

        Jani Honkonen
    
src folder: another massive victory for coding style police

              r2131
            
          switch (which) {

        Michal Klocek
    
Adds sizeHints for datetimeaxis

              r2137
            
          case Qt::MinimumSize:{

        Miikka Heikkinen
    
Fix axis sizehints when labels are angled...

              r2412
            
              QRectF boundingRect = labelBoundingRect(fn, "...");

              width = qMax(boundingRect.width(), base.width());

              height = boundingRect.height() + labelPadding();

        Michal Klocek
    
Adds sizeHints for datetimeaxis

              r2137
            
              height += base.height();

        Miikka Heikkinen
    
Fix axis sizehints when labels are angled...

              r2412
            
              sh = QSizeF(width, height);

        Jani Honkonen
    
src folder: another massive victory for coding style police

              r2131
            
              break;

        Michal Klocek
    
Adds sizeHints for datetimeaxis

              r2137
            
          }

        Jani Honkonen
    
src folder: another massive victory for coding style police

              r2131
            
          case Qt::PreferredSize: {

        Miikka Heikkinen
    
Fix axis sizehints when labels are angled...

              r2412
            
              int labelHeight = 0;

              foreach (const QString& s, ticksList) {

                  QRect rect = labelBoundingRect(fn, s);

                  labelHeight = qMax(rect.height(), labelHeight);

                  width += rect.width();

              }

              height = labelHeight + labelPadding();

              height += base.height();

              width = qMax(width, base.width());

              sh = QSizeF(width, height);

        Jani Honkonen
    
src folder: another massive victory for coding style police

              r2131
            
              break;

          }

          default:

              break;

          }

        Michal Klocek
    
Refactors layout...

              r1965
            
        Jani Honkonen
    
src folder: another massive victory for coding style police

              r2131
            
          return sh;

        Michal Klocek
    
Refactors layout...

              r1965
            
      }

        Michal Klocek
    
Refactors internals...

              r2273
            
      #include "moc_chartdatetimeaxisx_p.cpp"

        Marek Rosa
    
Added QDateTimeAxis

              r1717
            
      QTCOMMERCIALCHART_END_NAMESPACE

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Marek Rosa Added QDateTimeAxis	r1717	/****************************************************************************
		**
		** 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 "chartdatetimeaxisx_p.h"
		#include "chartpresenter_p.h"
		#include "qdatetimeaxis.h"
Michal Klocek Adds sizeHints for datetimeaxis	r2137	#include "chartlayout_p.h"
Marek Rosa Added QDateTimeAxis	r1717	#include <QGraphicsLayout>
		#include <QDateTime>
Michal Klocek Refactor animator...	r1735	#include <QFontMetrics>
		#include <qmath.h>

Marek Rosa Added QDateTimeAxis	r1717	QTCOMMERCIALCHART_BEGIN_NAMESPACE

Michal Klocek Refactors internals...	r2273	ChartDateTimeAxisX::ChartDateTimeAxisX(QDateTimeAxis axis, QGraphicsItem item)
		: HorizontalAxis(axis, item),
Jani Honkonen src folder: another massive victory for coding style police	r2131	m_axis(axis)
Marek Rosa Added QDateTimeAxis	r1717	{
Michal Klocek Refactors internals...	r2273	QObject::connect(m_axis,SIGNAL(tickCountChanged(int)),this, SLOT(handleTickCountChanged(int)));
Marek Rosa Fixed: datetimeaxis not redrawing when datetime format changed	r2326	QObject::connect(m_axis,SIGNAL(formatChanged(QString)),this, SLOT(handleFormatChanged(QString)));
Marek Rosa Added QDateTimeAxis	r1717	}

		ChartDateTimeAxisX::~ChartDateTimeAxisX()
		{
		}

		QVector<qreal> ChartDateTimeAxisX::calculateLayout() const
		{
Michal Klocek Refactors internals...	r2273	int tickCount = m_axis->tickCount();

		Q_ASSERT(tickCount >= 2);
Marek Rosa Added QDateTimeAxis	r1717
		QVector<qreal> points;
Michal Klocek Refactors internals...	r2273	points.resize(tickCount);
Jani Honkonen src folder: another massive victory for coding style police	r2131	const QRectF &gridRect = gridGeometry();
Michal Klocek Refactors internals...	r2273	const qreal deltaX = gridRect.width() / (tickCount - 1);
		for (int i = 0; i < tickCount; ++i) {
Michal Klocek Refactors axis updateGeometry handling...	r2111	int x = i * deltaX + gridRect.left();
Marek Rosa Added QDateTimeAxis	r1717	points[i] = x;
		}
		return points;
		}

		void ChartDateTimeAxisX::updateGeometry()
		{
		const QVector<qreal>& layout = ChartAxis::layout();
Jani Honkonen src folder: another massive victory for coding style police	r2131	if (layout.isEmpty())
		return;
Michal Klocek Refactors internals...	r2273	setLabels(createDateTimeLabels(min(),max(), layout.size(),m_axis->format()));
Michal Klocek Refactors axis updateGeometry handling...	r2111	HorizontalAxis::updateGeometry();
Marek Rosa Added QDateTimeAxis	r1717	}

Michal Klocek Refactors internals...	r2273	void ChartDateTimeAxisX::handleTickCountChanged(int tick)
Marek Rosa Added QDateTimeAxis	r1717	{
Michal Klocek Refactors internals...	r2273	Q_UNUSED(tick)
Michal Klocek Fixes even more missing layout update calls	r2335	QGraphicsLayoutItem::updateGeometry();
Michal Klocek Refactors internals...	r2273	if(presenter()) presenter()->layout()->invalidate();
Marek Rosa Added QDateTimeAxis	r1717	}

Marek Rosa Fixed: datetimeaxis not redrawing when datetime format changed	r2326	void ChartDateTimeAxisX::handleFormatChanged(const QString &format)
		{
		Q_UNUSED(format);
Michal Klocek Fixes even more missing layout update calls	r2335	QGraphicsLayoutItem::updateGeometry();
Marek Rosa Fixed: datetimeaxis not redrawing when datetime format changed	r2326	if(presenter()) presenter()->layout()->invalidate();
		}

Jani Honkonen src folder: another massive victory for coding style police	r2131	QSizeF ChartDateTimeAxisX::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const
Michal Klocek Refactors layout...	r1965	{
		Q_UNUSED(constraint)

Michal Klocek Refactors axis updateGeometry handling...	r2111	QFontMetrics fn(font());
Michal Klocek Refactors layout...	r1965	QSizeF sh;

Michal Klocek Adds sizeHints for datetimeaxis	r2137	QSizeF base = HorizontalAxis::sizeHint(which, constraint);
Michal Klocek Refactors internals...	r2273	QStringList ticksList = createDateTimeLabels(min(),max(),m_axis->tickCount(),m_axis->format());
Michal Klocek Adds sizeHints for datetimeaxis	r2137	qreal width = 0;
		qreal height = 0;

Michal Klocek Refactors internals...	r2273	if(ticksList.empty()){
		return sh;
		}

Jani Honkonen src folder: another massive victory for coding style police	r2131	switch (which) {
Michal Klocek Adds sizeHints for datetimeaxis	r2137	case Qt::MinimumSize:{
Miikka Heikkinen Fix axis sizehints when labels are angled...	r2412	QRectF boundingRect = labelBoundingRect(fn, "...");
		width = qMax(boundingRect.width(), base.width());
		height = boundingRect.height() + labelPadding();
Michal Klocek Adds sizeHints for datetimeaxis	r2137	height += base.height();
Miikka Heikkinen Fix axis sizehints when labels are angled...	r2412	sh = QSizeF(width, height);
Jani Honkonen src folder: another massive victory for coding style police	r2131	break;
Michal Klocek Adds sizeHints for datetimeaxis	r2137	}
Jani Honkonen src folder: another massive victory for coding style police	r2131	case Qt::PreferredSize: {
Miikka Heikkinen Fix axis sizehints when labels are angled...	r2412	int labelHeight = 0;
		foreach (const QString& s, ticksList) {
		QRect rect = labelBoundingRect(fn, s);
		labelHeight = qMax(rect.height(), labelHeight);
		width += rect.width();
		}
		height = labelHeight + labelPadding();
		height += base.height();
		width = qMax(width, base.width());
		sh = QSizeF(width, height);
Jani Honkonen src folder: another massive victory for coding style police	r2131	break;
		}
		default:
		break;
		}
Michal Klocek Refactors layout...	r1965
Jani Honkonen src folder: another massive victory for coding style police	r2131	return sh;
Michal Klocek Refactors layout...	r1965	}

Michal Klocek Refactors internals...	r2273	#include "moc_chartdatetimeaxisx_p.cpp"

Marek Rosa Added QDateTimeAxis	r1717	QTCOMMERCIALCHART_END_NAMESPACE