/**********************************************************************
** Copyright (C) 2000 Trolltech AS.  All rights reserved.
**
** This file is part of Qt Designer.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
** licenses may use this file in accordance with the Qt Commercial License
** Agreement provided with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
**   information about Qt Commercial License Agreements.
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**********************************************************************/

#ifndef VIEWMANAGER_H
#define VIEWMANAGER_H

#include <qwidget.h>
#include <qvaluelist.h>

class QChildEvent;
class MarkerWidget;
class QVBoxLayout;
class QDockArea;
class QTextParagraph;
class QLabel;
class QTimer;

class ViewManager : public QWidget
{
  Q_OBJECT

public:
  ViewManager(QWidget *parent, const char *name);

  void addView(QWidget *view);
  QWidget *currentView() const;
  void showMarkerWidget(bool);

  void setError(int line);
  void setStep(int line);
  void setStackFrame(int line);
  void clearStep();
  void clearStackFrame();
  void setBreakPoints(const QValueList<uint> &l);
  QValueList<uint> breakPoints() const;

  void emitMarkersChanged();
  MarkerWidget *marker_widget() const {
    return markerWidget;
  }

signals:
  void markersChanged();
  void expandFunction(QTextParagraph *p);
  void collapseFunction(QTextParagraph *p);
  void collapse(bool all /*else only functions*/);
  void expand(bool all /*else only functions*/);
  void editBreakPoints();
  void isBreakpointPossible(bool &possible, const QString &code, int line);

protected slots:
  void clearErrorMarker();
  void cursorPositionChanged(int row, int col);
  void showMessage(const QString &msg);
  void clearStatusBar();

protected:
  void childEvent(QChildEvent *e);
  void resizeEvent(QResizeEvent *e);

private:
  QWidget *curView;
  MarkerWidget *markerWidget;
  QVBoxLayout *layout;
  QDockArea *dockArea;
  QLabel *posLabel;
  QString extraText;
  QTimer *messageTimer;

};

#endif