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/**
* $Id$
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* 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. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
/**
* $Id$
* Copyright (C) 2001 NaN Technologies B.V.
* @author Maarten Gribnau
* @date September 21, 2001
*/
#include "GHOST_DisplayManagerCarbon.h"
#include "GHOST_Debug.h"
// We do not support multiple monitors at the moment
GHOST_DisplayManagerCarbon::GHOST_DisplayManagerCarbon(void)
{
if (::CGGetActiveDisplayList(0, NULL, &m_numDisplays) != CGDisplayNoErr)
{
m_numDisplays = 0;
m_displayIDs = NULL;
}
if (m_numDisplays > 0)
{
m_displayIDs = new CGDirectDisplayID [m_numDisplays];
GHOST_ASSERT((m_displayIDs!=NULL), "GHOST_DisplayManagerCarbon::GHOST_DisplayManagerCarbon(): memory allocation failed");
::CGGetActiveDisplayList(m_numDisplays, m_displayIDs, &m_numDisplays);
}
}
GHOST_TSuccess GHOST_DisplayManagerCarbon::getNumDisplays(GHOST_TUns8& numDisplays) const
{
numDisplays = (GHOST_TUns8) m_numDisplays;
return GHOST_kSuccess;
}
GHOST_TSuccess GHOST_DisplayManagerCarbon::getNumDisplaySettings(GHOST_TUns8 display, GHOST_TInt32& numSettings) const
{
GHOST_ASSERT((display==kMainDisplay), "GHOST_DisplayManagerCarbon::getNumDisplaySettings(): only main display is supported");
CFArrayRef displayModes;
displayModes = ::CGDisplayAvailableModes(m_displayIDs[display]);
CFIndex numModes = ::CFArrayGetCount(displayModes);
numSettings = (GHOST_TInt32)numModes;
return GHOST_kSuccess;
}
GHOST_TSuccess GHOST_DisplayManagerCarbon::getDisplaySetting(GHOST_TUns8 display, GHOST_TInt32 index, GHOST_DisplaySetting& setting) const
{
GHOST_ASSERT((display==kMainDisplay), "GHOST_DisplayManagerCarbon::getDisplaySetting(): only main display is supported");
CFArrayRef displayModes;
CGDirectDisplayID d = m_displayIDs[display];
displayModes = ::CGDisplayAvailableModes(d);
CFIndex numModes = ::CFArrayGetCount(displayModes);
GHOST_TInt32 numSettings = (GHOST_TInt32)numModes;
CFDictionaryRef displayModeValues = (CFDictionaryRef)::CFArrayGetValueAtIndex(displayModes, index);
setting.xPixels = getValue(displayModeValues, kCGDisplayWidth);
setting.yPixels = getValue(displayModeValues, kCGDisplayHeight);
setting.bpp = getValue(displayModeValues, kCGDisplayBitsPerPixel);
setting.frequency = getValue(displayModeValues, kCGDisplayRefreshRate);
#ifdef GHOST_DEBUG
printf("display mode: width=%d, height=%d, bpp=%d, frequency=%d\n", setting.xPixels, setting.yPixels, setting.bpp, setting.frequency);
#endif // GHOST_DEBUG
return GHOST_kSuccess;
}
GHOST_TSuccess GHOST_DisplayManagerCarbon::getCurrentDisplaySetting(GHOST_TUns8 display, GHOST_DisplaySetting& setting) const
{
GHOST_ASSERT((display==kMainDisplay), "GHOST_DisplayManagerCarbon::getCurrentDisplaySetting(): only main display is supported");
CFDictionaryRef displayModeValues = ::CGDisplayCurrentMode(m_displayIDs[display]);
setting.xPixels = getValue(displayModeValues, kCGDisplayWidth);
setting.yPixels = getValue(displayModeValues, kCGDisplayHeight);
setting.bpp = getValue(displayModeValues, kCGDisplayBitsPerPixel);
setting.frequency = getValue(displayModeValues, kCGDisplayRefreshRate);
#ifdef GHOST_DEBUG
printf("current display mode: width=%d, height=%d, bpp=%d, frequency=%d\n", setting.xPixels, setting.yPixels, setting.bpp, setting.frequency);
#endif // GHOST_DEBUG
return GHOST_kSuccess;
}
GHOST_TSuccess GHOST_DisplayManagerCarbon::setCurrentDisplaySetting(GHOST_TUns8 display, const GHOST_DisplaySetting& setting)
{
GHOST_ASSERT((display==kMainDisplay), "GHOST_DisplayManagerCarbon::setCurrentDisplaySetting(): only main display is supported");
#ifdef GHOST_DEBUG
printf("GHOST_DisplayManagerCarbon::setCurrentDisplaySetting(): requested settings:\n");
printf(" setting.xPixels=%d\n", setting.xPixels);
printf(" setting.yPixels=%d\n", setting.yPixels);
printf(" setting.bpp=%d\n", setting.bpp);
printf(" setting.frequency=%d\n", setting.frequency);
#endif // GHOST_DEBUG
CFDictionaryRef displayModeValues = ::CGDisplayBestModeForParametersAndRefreshRate(
m_displayIDs[display],
(size_t)setting.bpp,
(size_t)setting.xPixels,
(size_t)setting.yPixels,
(CGRefreshRate)setting.frequency,
NULL);
#ifdef GHOST_DEBUG
printf("GHOST_DisplayManagerCarbon::setCurrentDisplaySetting(): switching to:\n");
printf(" setting.xPixels=%d\n", getValue(displayModeValues, kCGDisplayWidth));
printf(" setting.yPixels=%d\n", getValue(displayModeValues, kCGDisplayHeight));
printf(" setting.bpp=%d\n", getValue(displayModeValues, kCGDisplayBitsPerPixel));
printf(" setting.frequency=%d\n", getValue(displayModeValues, kCGDisplayRefreshRate));
#endif // GHOST_DEBUG
CGDisplayErr err = ::CGDisplaySwitchToMode(m_displayIDs[display], displayModeValues);
return err == CGDisplayNoErr ? GHOST_kSuccess : GHOST_kFailure;
}
long GHOST_DisplayManagerCarbon::getValue(CFDictionaryRef values, CFStringRef key) const
{
CFNumberRef numberValue = (CFNumberRef) CFDictionaryGetValue(values, key);
if (!numberValue)
{
return -1;
}
long intValue;
if (!CFNumberGetValue(numberValue, kCFNumberLongType, &intValue))
{
return -1;
}
return intValue;
}
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