File: vcxypad.cpp

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/*
  Q Light Controller Plus
  vcxypad.cpp

  Copyright (c) Massimo Callegari

  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0.txt

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
*/

#include <QXmlStreamReader>
#include <QXmlStreamWriter>
#include <QQmlEngine>

#include "doc.h"
#include "vcxypad.h"

VCXYPad::VCXYPad(Doc *doc, QObject *parent)
    : VCWidget(doc, parent)
{
    setType(VCWidget::XYPadWidget);
}

VCXYPad::~VCXYPad()
{
    if (m_item)
        delete m_item;
}

QString VCXYPad::defaultCaption()
{
    return tr("XY Pad %1").arg(id() + 1);
}

void VCXYPad::setupLookAndFeel(qreal pixelDensity, int page)
{
    setPage(page);
    QFont wFont = font();
    wFont.setBold(true);
    wFont.setPointSize(pixelDensity * 5.0);
    setFont(wFont);
}

void VCXYPad::render(QQuickView *view, QQuickItem *parent)
{
    if (view == nullptr || parent == nullptr)
        return;

    QQmlComponent *component = new QQmlComponent(view->engine(), QUrl("qrc:/VCXYPadItem.qml"));

    if (component->isError())
    {
        qDebug() << component->errors();
        return;
    }

    m_item = qobject_cast<QQuickItem*>(component->create());

    m_item->setParentItem(parent);
    m_item->setProperty("xyPadObj", QVariant::fromValue(this));
}

QString VCXYPad::propertiesResource() const
{
    return QString("qrc:/VCXYPadProperties.qml");
}

VCWidget *VCXYPad::createCopy(VCWidget *parent)
{
    Q_ASSERT(parent != nullptr);

    VCXYPad *XYPad = new VCXYPad(m_doc, parent);
    if (XYPad->copyFrom(this) == false)
    {
        delete XYPad;
        XYPad = nullptr;
    }

    return XYPad;
}

bool VCXYPad::copyFrom(const VCWidget *widget)
{
    const VCXYPad *XYPad = qobject_cast<const VCXYPad*> (widget);
    if (XYPad == nullptr)
        return false;

    /* Copy and set properties */

    /* Copy object lists */

    /* Common stuff */
    return VCWidget::copyFrom(widget);
}

FunctionParent VCXYPad::functionParent() const
{
    return FunctionParent(FunctionParent::AutoVCWidget, id());
}

/*********************************************************************
 * Load & Save
 *********************************************************************/

bool VCXYPad::loadXML(QXmlStreamReader &root)
{
    if (root.name() != KXMLQLCVCXYPad)
    {
        qWarning() << Q_FUNC_INFO << "XY Pad node not found";
        return false;
    }

    QXmlStreamAttributes attrs = root.attributes();

    /* Widget commons */
    loadXMLCommon(root);

    while (root.readNextStartElement())
    {
        if (root.name() == KXMLQLCWindowState)
        {
            bool visible = false;
            int x = 0, y = 0, w = 0, h = 0;
            loadXMLWindowState(root, &x, &y, &w, &h, &visible);
            setGeometry(QRect(x, y, w, h));
        }
        else if (root.name() == KXMLQLCVCWidgetAppearance)
        {
            loadXMLAppearance(root);
        }
        else
        {
            qWarning() << Q_FUNC_INFO << "Unknown XY pad tag:" << root.name().toString();
            root.skipCurrentElement();
        }
    }

    return true;
}

bool VCXYPad::saveXML(QXmlStreamWriter *doc)
{
    Q_ASSERT(doc != nullptr);

    /* VC object entry */
    doc->writeStartElement(KXMLQLCVCXYPad);

    saveXMLCommon(doc);

    /* Window state */
    saveXMLWindowState(doc);

    /* Appearance */
    saveXMLAppearance(doc);

    /* Write the <end> tag */
    doc->writeEndElement();

    return true;
}