158 lines
4.6 KiB
C++
158 lines
4.6 KiB
C++
/*
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* Copyright 2006-2007 Aaron Seigo <aseigo@kde.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef PLASMA_RUNNERCONTEXT_H
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#define PLASMA_RUNNERCONTEXT_H
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#include <QtCore/QList>
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#include <QtCore/QObject>
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#include <QtCore/QSharedDataPointer>
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#include <plasma/plasma_export.h>
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class KCompletion;
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namespace Plasma
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{
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class QueryMatch;
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class AbstractRunner;
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class RunnerContextPrivate;
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/**
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* @class RunnerContext plasma/runnercontext.h <Plasma/RunnerContext>
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*
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* @short The RunnerContext class provides information related to a search,
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* including the search term, metadata on the search term and collected
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* matches.
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*/
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class PLASMA_EXPORT RunnerContext : public QObject
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{
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Q_OBJECT
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public:
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enum Type {
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None = 0,
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UnknownType = 1,
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Directory = 2,
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File = 4,
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NetworkLocation = 8,
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Executable = 16,
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ShellCommand = 32,
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Help = 64,
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FileSystem = Directory | File | Executable | ShellCommand
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};
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Q_DECLARE_FLAGS(Types, Type)
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explicit RunnerContext(QObject *parent = 0);
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/**
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* Copy constructor
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*/
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explicit RunnerContext(RunnerContext &other, QObject *parent = 0);
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~RunnerContext();
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/**
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* Resets the search term for this object.
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* This removes all current matches in the process.
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*/
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void reset();
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/**
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* Sets the query term for this object and attempts to determine
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* the type of the search.
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*/
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void setQuery(const QString &term);
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/**
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* @return the current search query term.
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*/
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QString query() const;
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/**
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* The type of item the search term might refer to.
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* @see Type
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*/
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Type type() const;
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/**
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* The mimetype that the search term refers to, if discoverable.
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*
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* @return QString() if the mimetype can not be determined, otherwise
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* the mimetype of the object being referred to by the search
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* string.
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*/
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QString mimeType() const;
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/**
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* Appends lists of matches to the list of matches.
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*
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* This method is thread safe and causes the matchesChanged() signal to be emitted.
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*
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* @return true if matches were added, false if matches were e.g. outdated
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*/
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// trueg: what do we need the term for? It is stored in the context anyway! Plus: matches() does not have a term parameter!
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// plus: it is Q_UNUSED
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bool addMatches(const QString &term, const QList<QueryMatch> &matches);
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/**
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* Appends a match to the existing list of matches.
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*
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* If you are going to be adding multiple matches, use addMatches instead.
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*
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* @arg term the search term that this match was generated for.
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* @arg match the match to add
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*
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* @return true if the match was added, false otherwise.
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*/
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// trueg: what do we need the term for? It is stored in the context anyway! Plus: matches() does not have a term parameter!
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// plus: it is Q_UNUSED
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bool addMatch(const QString &term, const QueryMatch &match);
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/**
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* Retrieves all available matches for the current search term.
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*
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* @return a list of matches
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*/
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QList<QueryMatch> matches() const;
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/**
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* Retrieves a match by id.
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*
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* @param id the id of the match to return
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* @return the match associated with this id, or an invalid QueryMatch object
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* if the id does not eixst
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*/
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QueryMatch match(const QString &id) const;
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Q_SIGNALS:
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void matchesChanged();
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private:
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QExplicitlySharedDataPointer<RunnerContextPrivate> d;
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};
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}
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Q_DECLARE_OPERATORS_FOR_FLAGS(Plasma::RunnerContext::Types)
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#endif
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