kde-workspace/kcontrol/randr/randrscreen.h

/*
 * Copyright (c) 2007 Gustavo Pichorim Boiko <gustavo.boiko@kdemail.net>
 *
 *  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, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

#ifndef __RANDRSCREEN_H__
#define __RANDRSCREEN_H__

#include "randr.h"

#include <QtGui/qx11info_x11.h>
#include <QObject>
#include <QMap>
#include <QSize>
#include <QAction>

class KConfig;

class RandRScreen : public QObject
{
    Q_OBJECT
public:
    RandRScreen(int screenIndex);
    ~RandRScreen();

    int index() const;

    XRRScreenResources* resources() const;
    Window rootWindow() const;

    QSize minSize() const;
    QSize maxSize() const;

    void loadSettings(bool notify = false);

    void handleEvent(XRRScreenChangeNotifyEvent* event);
    void handleRandREvent(XRRNotifyEvent* event);

    CrtcMap  crtcs() const;
    RandRCrtc *crtc(RRCrtc id) const;
    
    OutputMap outputs() const;
    RandROutput *output(RROutput id) const;

    void setPrimaryOutput(RandROutput* output);
    RandROutput* primaryOutput();

    void proposePrimaryOutput(RandROutput* output);

    ModeMap modes() const;
    RandRMode mode(RRMode id) const;

    bool adjustSize(const QRect &minimumSize = QRect(0,0,0,0));
    bool setSize(const QSize &s);

    /**
     * Return the number of connected outputs
     */
    int connectedCount() const;

    /**
     * Return the number of active outputs
     */
    int activeCount() const;

    bool outputsUnified() const;
    void setOutputsUnified(bool unified);

    int unifiedRotations() const;
    SizeList unifiedSizes() const;

    QRect rect() const;

    bool applyProposed(bool confirm);

    void load(KConfig &config, bool skipOutputs = false);
    void save(KConfig &config);
    QStringList startupCommands() const;

public slots:
    void slotUnifyOutputs(bool unify);
    void slotResizeUnified(QAction *action);
    void slotRotateUnified(QAction *action);

    void slotOutputChanged(RROutput id, int changes);

    void save();
    void load();

signals:
    void configChanged();

protected slots:
    void unifyOutputs();

private:
    int m_index;
    QSize m_minSize;
    QSize m_maxSize;
    QRect m_rect;

    bool m_outputsUnified;
    QRect m_unifiedRect;
    int m_unifiedRotation;

    int m_connectedCount;
    int m_activeCount;

    RandROutput* m_originalPrimaryOutput;
    RandROutput* m_proposedPrimaryOutput;

    XRRScreenResources* m_resources;

    CrtcMap m_crtcs;
    OutputMap m_outputs;
    ModeMap m_modes;
};

#endif // __RANDRSCREEN_H__

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