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/***************************************************************************
*
* Copyright (C) 2005 Elad Lahav (elad_lahav@users.sourceforge.net)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
***************************************************************************/
#ifndef QUERYVIEWDRIVER_H
#define QUERYVIEWDRIVER_H
#include <ntqobject.h>
#include <ntqlistview.h>
#include "cscopefrontend.h"
class QueryView;
/**
* Executes a Cscope query and displays the results in a QueryView widget.
* This class is used in conjunction with QueryView to create a query
* display object. The driver uses the view widget to display result records
* of an executed query. It also uses the view as a parent widget for the
* query progress bar.
* @author Elad Lahav
*/
class QueryViewDriver : public TQObject
{
Q_OBJECT
public:
QueryViewDriver(QueryView*, TQObject* pParent = 0, const char* szName = 0);
~QueryViewDriver();
void query(uint, const TQString&, bool bCase, TQListViewItem* pItem = NULL);
/**
* @return true if a query is currently running, false otherwise
*/
bool isRunning() { return m_bRunning; }
private:
/** Cscope object for running queries. */
CscopeFrontend* m_pCscope;
/** The view to which this object adds result records. */
QueryView* m_pView;
/** QueryView item passed to addRecord(). */
TQListViewItem* m_pItem;
/** Displays query progress information. */
CscopeProgress m_progress;
/** This flag is set to true when a query is executed, and back to false
when the the CscopeFrontend object emits the finished() signal. */
bool m_bRunning;
private slots:
void slotDataReady(FrontendToken*);
void slotFinished(uint);
void slotProgress(int, int);
void slotViewClosed();
};
#endif
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