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****************************************************************************/

//! [0]

#include <QtHelp>

//! [0]

//! [1]

CONFIG += help

//! [1]

//! [2]

qhelpgenerator doc.qhp -o doc.qch

//! [2]

//! [3]

<?xml version="1.0" encoding="utf-8" ?> 

<QHelpCollectionProject version="1.0">

    <docFiles>

        <register>

            <file>doc.qch</file>

        </register>

    </docFiles>

</QHelpCollectionProject>

//! [3]

//! [4]

qcollectiongenerator mycollection.qhcp -o mycollection.qhc

//! [4]

//! [5]

...

<docFiles>

    <generate>

        <file>

            <input>doc.qhp</input>

            <output>doc.qch</output>

        </file>

    </generate>

    <register>

        <file>doc.qch</file>

    </register>

</docFiles>

...

//! [5]

//! [6]

QHelpEngineCore helpEngine("mycollection.qhc");

...

// get all file references for the identifier

QMap<QString, QUrl> links = 

    helpEngine.linksForIdentifier(QLatin1String("MyDialog::ChangeButton"));    

// If help is available for this keyword, get the help data

// of the first file reference.

if (links.count()) {

    QByteArray helpData = helpEngine->fileData(links.constBegin().value());        

    // show the documentation to the user

    if (!helpData.isEmpty())

        displayHelp(helpData);

}

//! [6]

//! [7]

<?xml version="1.0" encoding="UTF-8"?>

<QtHelpProject version="1.0">

    <namespace>mycompany.com.myapplication.1.0</namespace>

    <virtualFolder>doc</virtualFolder>	    

    <customFilter name="My Application 1.0">

        <filterAttribute>myapp</filterAttribute>

        <filterAttribute>1.0</filterAttribute>

    </customFilter>

    <filterSection>

        <filterAttribute>myapp</filterAttribute>

        <filterAttribute>1.0</filterAttribute>

        <toc>

            <section title="My Application Manual" ref="index.html">

                <section title="Chapter 1" ref="doc.html#chapter1"/>

                <section title="Chapter 2" ref="doc.html#chapter2"/>

                <section title="Chapter 3" ref="doc.html#chapter3"/>

            </section>

        </toc>

        <keywords>

            <keyword name="foo" id="MyApplication::foo" ref="doc.html#foo"/>

            <keyword name="bar" ref="doc.html#bar"/>

            <keyword id="MyApplication::foobar" ref="doc.html#foobar"/>

        </keywords>

        <files>

            <file>classic.css</file>

            <file>*.html</file>

        </files>

    </filterSection>

</QtHelpProject>

//! [7]

//! [8]

...

<virtualFolder>doc</virtualFolder>

...

//! [8]

//! [9]

...

<customFilter name="My Application 1.0">

    <filterAttribute>myapp</filterAttribute>

    <filterAttribute>1.0</filterAttribute>

</customFilter>

...

//! [9]

//! [10]

...

<filterSection>

    <filterAttribute>myapp</filterAttribute>

    <filterAttribute>1.0</filterAttribute>

...

//! [10]

//! [11]

...

<toc>

    <section title="My Application Manual" ref="index.html">

        <section title="Chapter 1" ref="doc.html#chapter1"/>

        <section title="Chapter 2" ref="doc.html#chapter2"/>

        <section title="Chapter 3" ref="doc.html#chapter3"/>

    </section>

</toc>

...

//! [11]

//! [12]

...

<keywords>

   <keyword name="foo" id="MyApplication::foo" ref="doc.html#foo"/>

   <keyword name="bar" ref="doc.html#bar"/>

   <keyword id="MyApplication::foobar" ref="doc.html#foobar"/>

</keywords>

...

//! [12]

//! [13]

...

<files>

    <file>classic.css</file>

    <file>*.html</file>

</files>

...

//! [13]