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/****************************************************************************
**
** 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 QtDataVisualization module.
**
** 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
**
****************************************************************************/
#include "declarativetheme_p.h"
QT_DATAVISUALIZATION_BEGIN_NAMESPACE
DeclarativeTheme3D::DeclarativeTheme3D(QObject *parent)
: Q3DTheme(parent),
m_baseGradient(0),
m_singleHLGradient(0),
m_multiHLGradient(0)
{
}
DeclarativeTheme3D::~DeclarativeTheme3D()
{
}
QQmlListProperty<QObject> DeclarativeTheme3D::seriesChildren()
{
return QQmlListProperty<QObject>(this, this, &DeclarativeTheme3D::appendSeriesChildren
, 0, 0, 0);
}
void DeclarativeTheme3D::appendSeriesChildren(QQmlListProperty<QObject> *list, QObject *element)
{
Q_UNUSED(list)
Q_UNUSED(element)
// Nothing to do, seriesChildren is there only to enable scoping gradient items in Theme3D item.
}
void DeclarativeTheme3D::handleBaseGradientUpdate()
{
if (m_baseGradient)
setThemeGradient(*m_baseGradient, GradientTypeBase);
}
void DeclarativeTheme3D::handleSingleHLGradientUpdate()
{
if (m_singleHLGradient)
setThemeGradient(*m_singleHLGradient, GradientTypeSingleHL);
}
void DeclarativeTheme3D::handleMultiHLGradientUpdate()
{
if (m_multiHLGradient)
setThemeGradient(*m_multiHLGradient, GradientTypeMultiHL);
}
void DeclarativeTheme3D::setBaseGradient(ColorGradient *gradient)
{
// connect new / disconnect old
if (gradient != m_baseGradient) {
if (m_baseGradient)
QObject::disconnect(m_baseGradient, 0, this, 0);
m_baseGradient = gradient;
if (m_baseGradient) {
QObject::connect(m_baseGradient, &ColorGradient::updated, this,
&DeclarativeTheme3D::handleBaseGradientUpdate);
}
emit baseGradientChanged(m_baseGradient);
}
if (m_baseGradient)
setThemeGradient(*m_baseGradient, GradientTypeBase);
}
ColorGradient *DeclarativeTheme3D::baseGradient() const
{
return m_baseGradient;
}
void DeclarativeTheme3D::setSingleHighlightGradient(ColorGradient *gradient)
{
// connect new / disconnect old
if (gradient != m_singleHLGradient) {
if (m_singleHLGradient)
QObject::disconnect(m_singleHLGradient, 0, this, 0);
m_singleHLGradient = gradient;
if (m_singleHLGradient) {
QObject::connect(m_singleHLGradient, &ColorGradient::updated, this,
&DeclarativeTheme3D::handleSingleHLGradientUpdate);
}
emit singleHighlightGradientChanged(m_singleHLGradient);
}
if (m_singleHLGradient)
setThemeGradient(*m_singleHLGradient, GradientTypeSingleHL);
}
ColorGradient *DeclarativeTheme3D::singleHighlightGradient() const
{
return m_singleHLGradient;
}
void DeclarativeTheme3D::setMultiHighlightGradient(ColorGradient *gradient)
{
// connect new / disconnect old
if (gradient != m_multiHLGradient) {
if (m_multiHLGradient)
QObject::disconnect(m_multiHLGradient, 0, this, 0);
m_multiHLGradient = gradient;
if (m_multiHLGradient) {
QObject::connect(m_multiHLGradient, &ColorGradient::updated, this,
&DeclarativeTheme3D::handleMultiHLGradientUpdate);
}
emit multiHighlightGradientChanged(m_multiHLGradient);
}
if (m_multiHLGradient)
setThemeGradient(*m_baseGradient, GradientTypeMultiHL);
}
ColorGradient *DeclarativeTheme3D::multiHighlightGradient() const
{
return m_multiHLGradient;
}
void DeclarativeTheme3D::setThemeGradient(const ColorGradient &gradient, GradientType type)
{
QLinearGradient newGradient;
QGradientStops stops;
QList<ColorGradientStop *> qmlstops = gradient.m_stops;
// Get sorted gradient stops
for (int i = 0; i < qmlstops.size(); i++) {
int j = 0;
while (j < stops.size() && stops.at(j).first < qmlstops[i]->position())
j++;
stops.insert(j, QGradientStop(qmlstops.at(i)->position(), qmlstops.at(i)->color()));
}
newGradient.setStops(stops);
switch (type) {
case GradientTypeBase:
Q3DTheme::setBaseGradient(newGradient);
break;
case GradientTypeSingleHL:
Q3DTheme::setSingleHighlightGradient(newGradient);
break;
case GradientTypeMultiHL:
break;
Q3DTheme::setMultiHighlightGradient(newGradient);
default:
break;
}
}
QT_DATAVISUALIZATION_END_NAMESPACE
|
