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

Copyright (C) 2008 Lubos Lunak <l.lunak@suse.cz>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, 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 General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/

#ifndef RANDRMONITOR_H
#define RANDRMONITOR_H

#include <kdedmodule.h>
#include <kdialog.h>
#include <qwidget.h>

#include <X11/Xlib.h>
#include <X11/extensions/Xrandr.h>
#include <fixx11h.h>

#include <randrdisplay.h>
#include <randrscreen.h>
#include <randroutput.h>
#include <randrcrtc.h>

class RandROutput;

class RandrMonitorHelper;

class RandrMonitorModule
    : public KDEDModule
{
    Q_OBJECT

public:
    RandrMonitorModule(QObject* parent, const QList<QVariant>&);
    virtual ~RandrMonitorModule();
    void processX11Event( XEvent* e );

private slots:
    void poll();
    void switchDisplay();
    void resumedFromSuspend();
    void showKcm();
    void tryAutoConfig();

private:
    void initRandr();
    QStringList connectedMonitors() const;
    QStringList activeMonitors() const;
    void enableOutput( RandROutput* output, bool enable );
    QList< RandROutput* > connectedOutputs( RandRDisplay &display );
    QList< RandROutput* > activeOutputs( RandRDisplay &display );
    QList< RandROutput* > validCrtcOutputs( RandRDisplay &display );
    QList< RandROutput* > outputs( RandRDisplay &display, bool connected = false, bool active = false, bool validCrtc = false );
    bool have_randr;
    int randr_base;
    int randr_error;
    Window window;
    QStringList currentMonitors;
    RandrMonitorHelper* helper;
    KDialog* dialog;
};

class RandrMonitorHelper
    : public QWidget
{
    Q_OBJECT
public:
    RandrMonitorHelper( RandrMonitorModule* module );
protected:
    virtual bool x11Event( XEvent* e );
private:
    RandrMonitorModule* module;
};


inline
RandrMonitorHelper::RandrMonitorHelper( RandrMonitorModule* m )
    : module( m )
{
}

#endif