plasma-framework/runnersyntax.h

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/*
* Copyright 2009 Aaron Seigo <aseigo@kde.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef PLASMA_RUNNERSYNTAX_H
#define PLASMA_RUNNERSYNTAX_H
#include <QtCore/QStringList>
#include <plasma/plasma.h>
namespace Plasma
{
class RunnerSyntaxPrivate;
/**
* @class RunnerSyntax
* @since 4.3
*
* Represents a query prototype that the runner accepts. These can be
* created and registered with AbstractRunner::addSyntax(Syntax &) to
* allow applications to show to the user what the runner is currently
* capable of doing
*/
class PLASMA_EXPORT RunnerSyntax
{
public:
/**
* Constructs a simple syntax object
*
* @arg exampleQuery an example of the query, with :q: placed wherever
* search term text might appear. e.g. if the runner
* accepts "keyword some random text" then the value
* of this parameter should be "keyword :q:"
* @arg descrition A description of what the described syntax does from
* the user's point of view.
*/
RunnerSyntax(const QString &exampleQuery, const QString &description);
/**
* Copy constructor
*/
RunnerSyntax(const RunnerSyntax &other);
~RunnerSyntax();
/**
* Assignment operator
*/
RunnerSyntax &operator=(const RunnerSyntax &rhs);
/**
* Adds a synonymous example query to this Syntax. Some runners may
* accept multiple formulations of keywords to trigger the same behaviour.
* This allows the runner to show these relationships by grouping the
* example queries into one Syntax object
*
* @arg exampleQuery an example of the query, with :q: placed wherever
* search term text might appear. e.g. if the runner
* accepts "keyword some random text" then the value
* of this parameter should be "keyword :q:"
*/
void addExampleQuery(const QString &exampleQuery);
/**
* @return the example queries associated with this Syntax object
*/
QStringList exampleQueries() const;
/**
* @return the example queries associated with this Syntax object, with
* the searchTermDescription replacing instances of :q:. Used for showing
* the queries in the user interface.
*/
QStringList exampleQueriesWithTermDescription() const;
/**
* Sets the description for the syntax, describing what it does from
* the user's point of view.
*/
void setDescription(const QString &description);
/**
* @return the description of what the syntax does from the user's
* point of view
*/
QString description() const;
/**
* Sets the text that should be used to replace instances of :q:
* in the text. By default this is the generic phrase "search term".
* If the syntax expects a specific kind of input, it may be defined
* here. A syntax used by a runner that changes the brightness of the display
* may set this to "brightness" for instance.
*/
void setSearchTermDescription(const QString &description);
/**
* @return a description of the search term for this syntax
*/
QString searchTermDescription() const;
private:
RunnerSyntaxPrivate *const d;
};
} // namespace Plasma
#endif // multiple inclusion guard