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/*
* Copyright (c) 2002,2003 Hamish Rodda <rodda@kde.org>
*
* 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 __RANDR_H__
#define __RANDR_H__
#include <qobject.h>
#include <qstringlist.h>
#include <qptrlist.h>
#include <kcmodule.h>
#include <kconfig.h>
class KTimerDialog;
class RandRScreenPrivate;
class RandRScreen : public QObject
{
Q_OBJECT
public:
enum orientations {
Rotate0 = 0x1,
Rotate90 = 0x2,
Rotate180 = 0x4,
Rotate270 = 0x8,
RotateMask = 15,
RotationCount = 4,
ReflectX = 0x10,
ReflectY = 0x20,
ReflectMask = 48,
OrientationMask = 63,
OrientationCount = 6
};
RandRScreen(int screenIndex);
~RandRScreen();
void loadSettings();
void setOriginal();
bool applyProposed();
/**
* @returns false if the user did not confirm in time, or cancelled, or the change failed
*/
bool applyProposedAndConfirm();
public slots:
bool confirm();
public:
QString changedMessage() const;
bool changedFromOriginal() const;
void proposeOriginal();
bool proposedChanged() const;
static QString rotationName(int rotation, bool pastTense = false, bool capitalised = true);
QPixmap rotationIcon(int rotation) const;
QString currentRotationDescription() const;
int rotationIndexToDegree(int rotation) const;
int rotationDegreeToIndex(int degree) const;
/**
* Refresh rate functions.
*/
QStringList refreshRates(int size) const;
QString refreshRateDirectDescription(int rate) const;
QString refreshRateIndirectDescription(int size, int index) const;
QString refreshRateDescription(int size, int index) const;
int currentRefreshRate() const;
QString currentRefreshRateDescription() const;
// Refresh rate hz <==> index conversion
int refreshRateHzToIndex(int size, int hz) const;
int refreshRateIndexToHz(int size, int index) const;
/**
* Screen size functions.
*/
int numSizes() const;
const QSize& pixelSize(int index) const;
const QSize& mmSize(int index) const;
int pixelCount(int index) const;
/**
* Retrieve the index of a screen size with a specified pixel size.
*
* @param pixelSize dimensions of the screen in pixels
* @returns the index of the requested screen size
*/
int sizeIndex(QSize pixelSize) const;
int rotations() const;
/**
* Current setting functions.
*/
int currentPixelWidth() const;
int currentPixelHeight() const;
int currentMMWidth() const;
int currentMMHeight() const;
int currentRotation() const;
int currentSize() const;
/**
* Proposed setting functions.
*/
int proposedSize() const;
bool proposeSize(int newSize);
int proposedRotation() const;
void proposeRotation(int newRotation);
int proposedRefreshRate() const;
/**
* Propose a refresh rate.
* Please note that you must propose the target size first for this to work.
*
* @param index the index of the refresh rate (not a refresh rate in hz!)
* @returns true if successful, false otherwise.
*/
bool proposeRefreshRate(int index);
/**
* Configuration functions.
*/
void load(KConfig& config);
void save(KConfig& config) const;
private:
RandRScreenPrivate* d;
int m_screen;
QValueList<QSize> m_pixelSizes;
QValueList<QSize> m_mmSizes;
int m_rotations;
int m_originalRotation;
int m_originalSize;
int m_originalRefreshRate;
int m_currentRotation;
int m_currentSize;
int m_currentRefreshRate;
int m_proposedRotation;
int m_proposedSize;
int m_proposedRefreshRate;
KTimerDialog* m_shownDialog;
private slots:
void desktopResized();
void shownDialogDestroyed();
};
typedef QPtrList<RandRScreen> ScreenList;
class RandRDisplay
{
public:
RandRDisplay();
bool isValid() const;
const QString& errorCode() const;
const QString& version() const;
int eventBase() const;
int screenChangeNotifyEvent() const;
int errorBase() const;
int screenIndexOfWidget(QWidget* widget);
int numScreens() const;
RandRScreen* screen(int index);
void setCurrentScreen(int index);
int currentScreenIndex() const;
RandRScreen* currentScreen();
void refresh();
/**
* Loads saved settings.
*
* @param config the KConfig object to load from
* @param loadScreens whether to call RandRScreen::load() for each screen
* @retuns true if the settings should be applied on KDE startup.
*/
bool loadDisplay(KConfig& config, bool loadScreens = true);
void saveDisplay(KConfig& config, bool applyOnStartup, bool syncTrayApp);
static bool applyOnStartup(KConfig& config);
static bool syncTrayApp(KConfig& config);
void applyProposed(bool confirm = true);
private:
int m_numScreens;
int m_currentScreenIndex;
RandRScreen* m_currentScreen;
ScreenList m_screens;
bool m_valid;
QString m_errorCode;
QString m_version;
int m_eventBase;
int m_errorBase;
};
#endif
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