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Diffstat (limited to 'intern/ghost/intern/GHOST_DisplayManagerCocoa.mm')
| -rw-r--r-- | intern/ghost/intern/GHOST_DisplayManagerCocoa.mm | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/intern/ghost/intern/GHOST_DisplayManagerCocoa.mm b/intern/ghost/intern/GHOST_DisplayManagerCocoa.mm new file mode 100644 index 00000000000..82e31c01d25 --- /dev/null +++ b/intern/ghost/intern/GHOST_DisplayManagerCocoa.mm @@ -0,0 +1,178 @@ +/** + * $Id$ + * ***** BEGIN GPL 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. + * + * 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 LICENSE BLOCK ***** + */ + +/** + * Copyright (C) 2001 NaN Technologies B.V. + * @author Maarten Gribnau + * @date September 21, 2001 + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <Carbon/Carbon.h> + +#include "GHOST_DisplayManagerCocoa.h" +#include "GHOST_Debug.h" + +// We do not support multiple monitors at the moment + + +GHOST_DisplayManagerCocoa::GHOST_DisplayManagerCocoa(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_DisplayManagerCocoa::GHOST_DisplayManagerCocoa(): memory allocation failed"); + ::CGGetActiveDisplayList(m_numDisplays, m_displayIDs, &m_numDisplays); + } +} + + +GHOST_TSuccess GHOST_DisplayManagerCocoa::getNumDisplays(GHOST_TUns8& numDisplays) const +{ + numDisplays = (GHOST_TUns8) m_numDisplays; + return GHOST_kSuccess; +} + + +GHOST_TSuccess GHOST_DisplayManagerCocoa::getNumDisplaySettings(GHOST_TUns8 display, GHOST_TInt32& numSettings) const +{ + GHOST_ASSERT((display==kMainDisplay), "GHOST_DisplayManagerCocoa::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_DisplayManagerCocoa::getDisplaySetting(GHOST_TUns8 display, GHOST_TInt32 index, GHOST_DisplaySetting& setting) const +{ + GHOST_ASSERT((display==kMainDisplay), "GHOST_DisplayManagerCocoa::getDisplaySetting(): only main display is supported"); + + CFArrayRef displayModes; + CGDirectDisplayID d = m_displayIDs[display]; + displayModes = ::CGDisplayAvailableModes(d); + //CFIndex numModes = ::CFArrayGetCount(displayModes);/*unused*/ + //GHOST_TInt32 numSettings = (GHOST_TInt32)numModes; /*unused*/ + 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_DisplayManagerCocoa::getCurrentDisplaySetting(GHOST_TUns8 display, GHOST_DisplaySetting& setting) const +{ + GHOST_ASSERT((display==kMainDisplay), "GHOST_DisplayManagerCocoa::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_DisplayManagerCocoa::setCurrentDisplaySetting(GHOST_TUns8 display, const GHOST_DisplaySetting& setting) +{ + GHOST_ASSERT((display==kMainDisplay), "GHOST_DisplayManagerCocoa::setCurrentDisplaySetting(): only main display is supported"); + +#ifdef GHOST_DEBUG + printf("GHOST_DisplayManagerCocoa::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_DisplayManagerCocoa::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_DisplayManagerCocoa::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; +} + |