##// END OF EJS Templates
Fix vanishing labels for first and last ticks....
Fix vanishing labels for first and last ticks. Extra space must be reserved by layout for the axes that have wide labels for first or last tick. Changed the logic how axis sizeHint is interpreted to make the previously irrelevant height or width (depending on orientation) of the sizeHint to indicate how far the widest label extends past the first/last tick, and adjust the grid size accordingly in layout. Reviewed-by: Mika Salmela

File last commit:

r2432:53927f716a3d
r2443:5b27b7b1d72a RC2_1.2.1
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chartpresenter.cpp
315 lines | 7.2 KiB | text/x-c | CppLexer
/ src / chartpresenter.cpp
/****************************************************************************
**
** Copyright (C) 2013 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 "chartpresenter_p.h"
#include "qchart.h"
#include "chartitem_p.h"
#include "qchart_p.h"
#include "qabstractaxis.h"
#include "qabstractaxis_p.h"
#include "chartdataset_p.h"
#include "chartanimation_p.h"
#include "qabstractseries_p.h"
#include "qareaseries.h"
#include "chartaxis_p.h"
#include "chartbackground_p.h"
#include "chartlayout_p.h"
#include "charttitle_p.h"
#include <QTimer>
QTCOMMERCIALCHART_BEGIN_NAMESPACE
ChartPresenter::ChartPresenter(QChart *chart)
: QObject(chart),
m_chart(chart),
m_options(QChart::NoAnimation),
m_state(ShowState),
m_layout(new ChartLayout(this)),
m_background(0),
m_title(0)
{
}
ChartPresenter::~ChartPresenter()
{
}
void ChartPresenter::setGeometry(const QRectF rect)
{
if(m_rect != rect) {
m_rect=rect;
foreach (ChartItem *chart, m_chartItems){
chart->domain()->setSize(rect.size());
chart->setPos(rect.topLeft());
}
}
}
QRectF ChartPresenter::geometry() const
{
return m_rect;
}
void ChartPresenter::handleAxisAdded(QAbstractAxis *axis)
{
axis->d_ptr->initializeGraphics(rootItem());
axis->d_ptr->initializeAnimations(m_options);
ChartAxis *item = axis->d_ptr->axisItem();
item->setPresenter(this);
item->setThemeManager(m_chart->d_ptr->m_themeManager);
m_axisItems<<item;
m_axes<<axis;
m_layout->invalidate();
}
void ChartPresenter::handleAxisRemoved(QAbstractAxis *axis)
{
ChartAxis *item = axis->d_ptr->m_item.take();
item->hide();
item->disconnect();
item->deleteLater();
m_axisItems.removeAll(item);
m_axes.removeAll(axis);
m_layout->invalidate();
}
void ChartPresenter::handleSeriesAdded(QAbstractSeries *series)
{
series->d_ptr->initializeGraphics(rootItem());
series->d_ptr->initializeAnimations(m_options);
ChartItem *chart = series->d_ptr->chartItem();
chart->setPresenter(this);
chart->setThemeManager(m_chart->d_ptr->m_themeManager);
chart->domain()->setSize(m_rect.size());
chart->setPos(m_rect.topLeft());
chart->handleDomainUpdated(); //this could be moved to intializeGraphics when animator is refactored
m_chartItems<<chart;
m_series<<series;
m_layout->invalidate();
}
void ChartPresenter::handleSeriesRemoved(QAbstractSeries *series)
{
ChartItem *chart = series->d_ptr->m_item.take();
chart->hide();
chart->disconnect();
chart->deleteLater();
m_chartItems.removeAll(chart);
m_series.removeAll(series);
m_layout->invalidate();
}
void ChartPresenter::setAnimationOptions(QChart::AnimationOptions options)
{
if (m_options != options) {
m_options = options;
foreach(QAbstractSeries* series, m_series){
series->d_ptr->initializeAnimations(m_options);
}
foreach(QAbstractAxis* axis, m_axes){
axis->d_ptr->initializeAnimations(m_options);
}
}
}
void ChartPresenter::setState(State state,QPointF point)
{
m_state=state;
m_statePoint=point;
}
QChart::AnimationOptions ChartPresenter::animationOptions() const
{
return m_options;
}
void ChartPresenter::createBackgroundItem()
{
if (!m_background) {
m_background = new ChartBackground(rootItem());
m_background->setPen(Qt::NoPen);
m_background->setZValue(ChartPresenter::BackgroundZValue);
}
}
void ChartPresenter::createTitleItem()
{
if (!m_title) {
m_title = new ChartTitle(rootItem());
m_title->setZValue(ChartPresenter::BackgroundZValue);
}
}
void ChartPresenter::handleAnimationFinished()
{
m_animations.removeAll(qobject_cast<ChartAnimation *>(sender()));
if (m_animations.empty())
emit animationsFinished();
}
void ChartPresenter::startAnimation(ChartAnimation *animation)
{
if (animation->state() != QAbstractAnimation::Stopped) animation->stop();
QObject::connect(animation, SIGNAL(finished()), this, SLOT(handleAnimationFinished()), Qt::UniqueConnection);
if (!m_animations.isEmpty())
m_animations.append(animation);
QTimer::singleShot(0, animation, SLOT(start()));
}
void ChartPresenter::setBackgroundBrush(const QBrush &brush)
{
createBackgroundItem();
m_background->setBrush(brush);
m_layout->invalidate();
}
QBrush ChartPresenter::backgroundBrush() const
{
if (!m_background)
return QBrush();
return m_background->brush();
}
void ChartPresenter::setBackgroundPen(const QPen &pen)
{
createBackgroundItem();
m_background->setPen(pen);
m_layout->invalidate();
}
QPen ChartPresenter::backgroundPen() const
{
if (!m_background)
return QPen();
return m_background->pen();
}
void ChartPresenter::setTitle(const QString &title)
{
createTitleItem();
m_title->setText(title);
m_layout->invalidate();
}
QString ChartPresenter::title() const
{
if (!m_title)
return QString();
return m_title->text();
}
void ChartPresenter::setTitleFont(const QFont &font)
{
createTitleItem();
m_title->setFont(font);
m_layout->invalidate();
}
QFont ChartPresenter::titleFont() const
{
if (!m_title)
return QFont();
return m_title->font();
}
void ChartPresenter::setTitleBrush(const QBrush &brush)
{
createTitleItem();
m_title->setBrush(brush);
m_layout->invalidate();
}
QBrush ChartPresenter::titleBrush() const
{
if (!m_title)
return QBrush();
return m_title->brush();
}
void ChartPresenter::setBackgroundVisible(bool visible)
{
createBackgroundItem();
m_background->setVisible(visible);
}
bool ChartPresenter::isBackgroundVisible() const
{
if (!m_background)
return false;
return m_background->isVisible();
}
void ChartPresenter::setBackgroundDropShadowEnabled(bool enabled)
{
createBackgroundItem();
m_background->setDropShadowEnabled(enabled);
}
bool ChartPresenter::isBackgroundDropShadowEnabled() const
{
if (!m_background)
return false;
return m_background->isDropShadowEnabled();
}
ChartLayout *ChartPresenter::layout()
{
return m_layout;
}
QLegend *ChartPresenter::legend()
{
return m_chart->legend();
}
void ChartPresenter::setVisible(bool visible)
{
m_chart->setVisible(visible);
}
ChartBackground *ChartPresenter::backgroundElement()
{
return m_background;
}
QList<ChartAxis *> ChartPresenter::axisItems() const
{
return m_axisItems;
}
QList<ChartItem *> ChartPresenter::chartItems() const
{
return m_chartItems;
}
ChartTitle *ChartPresenter::titleElement()
{
return m_title;
}
#include "moc_chartpresenter_p.cpp"
QTCOMMERCIALCHART_END_NAMESPACE