[wxWidgets.git] / src / mac / display.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        display.cpp
// Purpose:     Mac implementation of wxDisplay class
// Author:      Brian Victor
// Modified by: Royce Mitchell III & Ryan Norton
// Created:     06/21/02
// RCS-ID:      $Id$
// Copyright:   (c) wxWindows team
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifdef __GNUG__
    #pragma implementation "display.h"
#endif

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#if wxUSE_DISPLAY

#ifndef WX_PRECOMP
   #include "wx/dynarray.h"
   #include "wx/log.h"
#endif

#ifdef __DARWIN__
    #include <Carbon/Carbon.h>
#else
    #include <Gestalt.h>
    #include <Displays.h>
    #include <Quickdraw.h>
    #include <Video.h>  //for VDSwitchInfoRec
    #include <FixMath.h>
#endif

#include "wx/display.h"
#include "wx/gdicmn.h"
#include "wx/string.h"

// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------

class wxDisplayMacPriv
{
public:
    GDHandle m_hndl;
};

size_t wxDisplayBase::GetCount()
{
    GDHandle hndl;
    size_t num = 0;
    hndl = DMGetFirstScreenDevice(true);
    while(hndl)
    {
        num++;
        hndl = DMGetNextScreenDevice(hndl, true);
    }
    return num;
}

int wxDisplayBase::GetFromPoint(const wxPoint &p)
{
    GDHandle hndl;
    size_t num = 0;
    hndl = DMGetFirstScreenDevice(true);
    while(hndl)
    {
        Rect screenrect = (*hndl)->gdRect;
        if (p.x >= screenrect.left &&
            p.x <= screenrect.right &&
            p.y >= screenrect.top &&
            p.y <= screenrect.bottom)
        {
            return num;
        }
        num++;
        hndl = DMGetNextScreenDevice(hndl, true);
    }
    return -1;
}

wxDisplay::wxDisplay(size_t index) : wxDisplayBase ( index ),
    m_priv ( new wxDisplayMacPriv() )
{
    GDHandle hndl;
    hndl = DMGetFirstScreenDevice(true);
    m_priv->m_hndl = NULL;
    while(hndl)
    {
        if (index == 0)
        {
            m_priv->m_hndl = hndl;
        }
        index--;
        hndl = DMGetNextScreenDevice(hndl, true);
    }
}

wxRect wxDisplay::GetGeometry() const
{
    if (!(m_priv)) return wxRect(0, 0, 0, 0);
    if (!(m_priv->m_hndl)) return wxRect(0, 0, 0, 0);
    Rect screenrect = (*(m_priv->m_hndl))->gdRect;
    return wxRect( screenrect.left, screenrect.top, 
                   screenrect.right - screenrect.left, screenrect.bottom - screenrect.top);
}

int wxDisplay::GetDepth() const
{
    if (!(m_priv)) return 0;
    if (!(m_priv->m_hndl)) return 0;

    // This cryptic looking code is based on Apple's sample code:
    // http://developer.apple.com/samplecode/Sample_Code/Graphics_2D/GDevVideo/Gen.cp.htm

    //RN - according to the docs
	//gdPMap is a bitmap-type representation of the GDevice, and all
	//0x0000FFFF does is get the lower 16 bits of pixelSize.  However,
	//since pixelSize is only 16 bits (a short)...
    return ((*(*(m_priv->m_hndl))->gdPMap)->pixelSize) & 0x0000FFFF;
}

wxString wxDisplay::GetName() const
{
    // Macs don't name their displays...
    return wxEmptyString;
}

struct DMModeIteratorRec
{
	wxArrayVideoModes* pModes;
	const wxVideoMode* pMatchMode;
};

pascal void DMModeListIteratorProc (	void* pData,
			      DMListIndexType nIndex,
			      DMDisplayModeListEntryPtr pInfo)
{
    DMModeIteratorRec* pInfoData = (DMModeIteratorRec*) pData;

	//Note that in testing the refresh rate is always 0 on my ibook - RN
    int refresh = (int) Fix2Long(pInfo->displayModeResolutionInfo->csRefreshRate);

	for(unsigned long i = 0; i < pInfo->displayModeDepthBlockInfo->depthBlockCount; ++i)
	{
#define pDBI pInfo->displayModeDepthBlockInfo->depthVPBlock[i].depthVPBlock

		if (wxVideoMode((int) pInfo->displayModeResolutionInfo->csHorizontalPixels,
				  (int) pInfo->displayModeResolutionInfo->csVerticalLines,
				  (int) pDBI->vpPixelSize,
				  refresh).Matches(*pInfoData->pMatchMode) )
			{
			pInfoData->pModes->Add(wxVideoMode((int) pInfo->displayModeResolutionInfo->csHorizontalPixels,
						   (int) pInfo->displayModeResolutionInfo->csVerticalLines,
						   (int) pDBI->vpPixelSize,
						   refresh));			
			}
#undef pDBI
	}
}

struct DMModeInfoRec
{
	const wxVideoMode* pMode;
	VDSwitchInfoRec sMode;
	bool bMatched;
};

pascal void DMModeInfoProc (	void* pData,
							  DMListIndexType nIndex,
							  DMDisplayModeListEntryPtr pInfo)
{
	DMModeInfoRec* pInfoData = (DMModeInfoRec*) pData;
	Fixed refresh = Long2Fix(pInfoData->pMode->refresh);

	for(unsigned long i = 0; i < pInfo->displayModeDepthBlockInfo->depthBlockCount; ++i)
		{
#define pDBI pInfo->displayModeDepthBlockInfo->depthVPBlock[i].depthVPBlock
		    if (pInfoData->pMode->w == (int&) pInfo->displayModeResolutionInfo->csHorizontalPixels &&
		        pInfoData->pMode->h == (int&) pInfo->displayModeResolutionInfo->csVerticalLines &&
		        pInfoData->pMode->bpp == (int) pDBI->vpPixelSize &&
		        refresh == pInfo->displayModeResolutionInfo->csRefreshRate)
			{
				memcpy(&pInfoData->sMode, pInfo->displayModeDepthBlockInfo->depthVPBlock[i].depthSwitchInfo,
		                       sizeof(VDSwitchInfoRec));
				pInfoData->sMode.csMode = pDBI->vpPixelSize;
				pInfoData->bMatched = true;
				break;
			}
#undef pDBI
		}		
}

struct DMModeTransRec
{
	wxVideoMode Mode;
	const VDSwitchInfoRec* psMode;
	bool bMatched;
};

pascal void DMModeTransProc (	void* pData,
					  DMListIndexType nIndex,
					  DMDisplayModeListEntryPtr pInfo)
{
	DMModeTransRec* pInfoData = (DMModeTransRec*) pData;

	for(unsigned long i = 0; i < pInfo->displayModeDepthBlockInfo->depthBlockCount; ++i)
		{
#define pDBI pInfo->displayModeDepthBlockInfo->depthVPBlock[i].depthVPBlock
		if (pInfoData->psMode->csData == pInfo->displayModeDepthBlockInfo->depthVPBlock[i].depthSwitchInfo->csData)
			{
			pInfoData->Mode = wxVideoMode((int) pInfo->displayModeResolutionInfo->csHorizontalPixels,
								 (int) pInfo->displayModeResolutionInfo->csVerticalLines,
								 (int) pDBI->vpPixelSize,
								 (int) Fix2Long(pInfo->displayModeResolutionInfo->csRefreshRate) );
			pInfoData->bMatched = true;
			break;
			}
#undef pDBI
		}
}

wxArrayVideoModes
    wxDisplay::GetModes(const wxVideoMode& mode) const
{

    wxArrayVideoModes Modes;

    unsigned long dwDMVer;
    Gestalt(gestaltDisplayMgrVers, (long*) &dwDMVer);

    //Check DM version (for backward compatibility only - 7.5.3+ use 2.0)
    if (dwDMVer >= 0x020000) //version 2?
    {

    	DMListIndexType nNumModes;
    	DMListType pModes;
    	DMDisplayModeListIteratorUPP uppMLI;
    	DisplayIDType nDisplayID;

    	wxASSERT(DMGetDisplayIDByGDevice(m_priv->m_hndl, &nDisplayID, false) == noErr);	
    	//Create a new list...
    	wxASSERT_MSG(DMNewDisplayModeList(nDisplayID, NULL, NULL, &nNumModes, 							&pModes) == noErr, wxT("Could not create a new display mode list") );

    	uppMLI = NewDMDisplayModeListIteratorUPP(DMModeListIteratorProc);
    	wxASSERT(uppMLI);

    	DMModeIteratorRec sModeInfo;
    	sModeInfo.pModes = &Modes;
    	sModeInfo.pMatchMode = &mode;
    	for (DMListIndexType i = 0; i < nNumModes; ++i)
    	{
    	    wxASSERT(DMGetIndexedDisplayModeFromList(pModes, i, NULL,
    					      uppMLI, &sModeInfo) == noErr);
    	}
    	DisposeDMDisplayModeListIteratorUPP(uppMLI);
    	wxASSERT(DMDisposeList(pModes) == noErr);	
    }
    else //DM 1.0, 1.2, 1.x
    {
    	wxLogSysError(wxString::Format(wxT("Display Manager Version %u Not Supported!  Present? %s"),
    				(unsigned int) dwDMVer / 0x10000,
    				(dwDMVer & (1 << gestaltDisplayMgrPresent) ? wxT("Yes") : wxT("No"))  )
    	             );
    }

    return Modes;
}

wxVideoMode wxDisplay::GetCurrentMode() const
{
    unsigned long dwDMVer;
    wxVideoMode RetMode;
    
    Gestalt(gestaltDisplayMgrVers, (long*) &dwDMVer);    
    //Check DM version (for backward compatibility only - 7.5.3+ use 2.0)
    if (dwDMVer >= 0x020000) //version 2?
    {
    	VDSwitchInfoRec sMode; //Note - csMode member also contains the bit depth
    	if (DMGetDisplayMode(m_priv->m_hndl, &sMode) == noErr) 
    	{
    	    DMListIndexType nNumModes;
    	    DMListType pModes;
    		DMDisplayModeListIteratorUPP uppMLI;
    	    DisplayIDType nDisplayID;

    	    wxASSERT(DMGetDisplayIDByGDevice(m_priv->m_hndl, &nDisplayID, false) == noErr);
    	    //Create a new list...
    	    wxASSERT_MSG(DMNewDisplayModeList(nDisplayID, NULL, NULL, &nNumModes, &pModes) == noErr,
    				  wxT("Could not create a new display mode list") );
    		
    		uppMLI = NewDMDisplayModeListIteratorUPP(DMModeTransProc);
    		wxASSERT(uppMLI);

    		DMModeTransRec sModeInfo;
    		sModeInfo.bMatched = false;
    		sModeInfo.psMode = &sMode;
    		for (DMListIndexType i = 0; i < nNumModes; ++i)
    		{
    			wxASSERT(DMGetIndexedDisplayModeFromList(pModes, i, NULL,
    											uppMLI, &sModeInfo) == noErr);

    			if ( sModeInfo.bMatched == true )
    			{
    				RetMode = sModeInfo.Mode;
    				break;
    			}
    		}

    	    DisposeDMDisplayModeListIteratorUPP(uppMLI);
    	    wxASSERT(DMDisposeList(pModes) == noErr);
    	}
    	else //Can't get current mode?
    	{
    		wxLogSysError(wxString::Format(wxT("Couldn't obtain current display mode!!!\ndwDMVer:%u"),
    								(unsigned int) dwDMVer));
    	}
    }
    else //DM ver 1
    {
    	wxLogSysError(wxString::Format(wxT("Display Manager Version %u Not Supported!  Present? %s"),
    				(unsigned int) dwDMVer / 0x10000,
    				(dwDMVer & (1 << gestaltDisplayMgrPresent) ? wxT("Yes") : wxT("No")) )
    	             );
    }
	 
    return RetMode;
}

bool wxDisplay::ChangeMode(const wxVideoMode& mode)
{
    unsigned long dwDMVer;
    Gestalt(gestaltDisplayMgrVers, (long*)&dwDMVer);
    if (GetCount() == 1 || dwDMVer >= 0x020000)
    {
		if (mode == wxDefaultVideoMode)
		{
//#ifndef __DARWIN__
//			Handle hDisplayState;
//			if (DMBeginConfigureDisplays(&hDisplayState) != noErr)
//				{
//				wxLogSysError(wxT("Could not lock display for display mode changing!"));
//				return false;
//				}
//			wxASSERT( DMUseScreenPrefs(true, hDisplayState) == noErr);
//			DMEndConfigureDisplays(hDisplayState);
//			return true;
//#else
			//hmmmmm....
			return true;
//#endif
		}
		
    	//0 & NULL for params 2 & 3 of DMSetVideoMode signal it to use defaults (current mode)
    	//DM 2.0+ doesn't use params 2 & 3 of DMSetDisplayMode
    	//so we have to use this icky structure
    	VDSwitchInfoRec sMode;
    	memset(&sMode, 0, sizeof(VDSwitchInfoRec) );

    	DMListIndexType nNumModes;
    	DMListType pModes;
    	DMDisplayModeListIteratorUPP uppMLI;
    	DisplayIDType nDisplayID;

    	wxASSERT(DMGetDisplayIDByGDevice(m_priv->m_hndl, &nDisplayID, false) == noErr);
    	//Create a new list...
    	wxASSERT_MSG(DMNewDisplayModeList(nDisplayID, NULL, NULL, &nNumModes, &pModes) == noErr,
    			  wxT("Could not create a new display mode list") );

    	uppMLI = NewDMDisplayModeListIteratorUPP(DMModeInfoProc);
    	wxASSERT(uppMLI);

    	DMModeInfoRec sModeInfo;
    	sModeInfo.bMatched = false;
    	sModeInfo.pMode = &mode;
    	unsigned int i;
    	for(i = 0; i < nNumModes; ++i)
    	{
    		wxASSERT(DMGetIndexedDisplayModeFromList(pModes, i, NULL,
    										   uppMLI, &sModeInfo) == noErr);
    		if (sModeInfo.bMatched == true)
    		{
    			sMode = sModeInfo.sMode;
    			break;
    		}
    	}
    	if(i == nNumModes)
    		return false;

    	DisposeDMDisplayModeListIteratorUPP(uppMLI);
    	wxASSERT(DMDisposeList(pModes) == noErr);

    	// For the really paranoid -
    	// 	    unsigned long flags;
    	//      Boolean bok;
    	//     wxASSERT(noErr == DMCheckDisplayMode(m_priv->m_hndl, sMode.csData,
    	//								  sMode.csMode, &flags, NULL, &bok));
    	//     wxASSERT(bok);

    	Handle hDisplayState;
    	if (DMBeginConfigureDisplays(&hDisplayState) != noErr)
    	{
    	    wxLogSysError(wxT("Could not lock display for display mode changing!"));
    	    return false;
    	}

    	unsigned long dwBPP = (unsigned long) mode.bpp;
    	if (DMSetDisplayMode(m_priv->m_hndl, sMode.csData,
    					    (unsigned long*) &(dwBPP), NULL
    					   //(unsigned long) &sMode
    					   , hDisplayState
    					   )  != noErr)
    	{
    		DMEndConfigureDisplays(hDisplayState);
    		wxMessageBox(wxString::Format(wxT("Could not set the display mode")));
            return false;
    	}
    	DMEndConfigureDisplays(hDisplayState);
    }
    else  //DM 1.0, 1.2, 1.x
    {
    	wxLogSysError(wxString::Format(wxT("Monitor gravitation not supported yet.  dwDMVer:%u"),
    				(unsigned int) dwDMVer));
    		return false;
    }
    
    return true;
}

wxDisplay::~wxDisplay()
{
    if ( m_priv )
    {
        delete m_priv;
        m_priv = 0;
    }
}

#endif // wxUSE_DISPLAY
Commit	Line	Data
a536e411 JS	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: display.cpp
	3	// Purpose: Mac implementation of wxDisplay class
	4	// Author: Brian Victor
1ed1a609	5	// Modified by: Royce Mitchell III & Ryan Norton
a536e411 JS	6	// Created: 06/21/02
	7	// RCS-ID: $Id$
	8	// Copyright: (c) wxWindows team
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	#ifdef __GNUG__
	13	#pragma implementation "display.h"
	14	#endif
	15
	16	// For compilers that support precompilation, includes "wx.h".
	17	#include "wx/wxprec.h"
	18
	19	#ifdef __BORLANDC__
	20	#pragma hdrstop
	21	#endif
	22
	23	#if wxUSE_DISPLAY
	24
	25	#ifndef WX_PRECOMP
	26	#include "wx/dynarray.h"
1ed1a609	27	#include "wx/log.h"
a536e411 JS	28	#endif
	29
	30	#ifdef __DARWIN__
	31	#include <Carbon/Carbon.h>
	32	#else
7c4a8e41	33	#include <Gestalt.h>
a536e411 JS	34	#include <Displays.h>
a536e411 JS	35	#include <Quickdraw.h>
1ed1a609	36	#include <Video.h> //for VDSwitchInfoRec
7c4a8e41	37	#include <FixMath.h>
a536e411 JS	38	#endif
	39
	40	#include "wx/display.h"
	41	#include "wx/gdicmn.h"
	42	#include "wx/string.h"
	43
	44	// ----------------------------------------------------------------------------
	45	// private classes
	46	// ----------------------------------------------------------------------------
	47
	48	class wxDisplayMacPriv
	49	{
	50	public:
e40298d5	51	GDHandle m_hndl;
a536e411 JS	52	};
	53
	54	size_t wxDisplayBase::GetCount()
	55	{
	56	GDHandle hndl;
	57	size_t num = 0;
	58	hndl = DMGetFirstScreenDevice(true);
	59	while(hndl)
	60	{
	61	num++;
	62	hndl = DMGetNextScreenDevice(hndl, true);
	63	}
	64	return num;
	65	}
	66
	67	int wxDisplayBase::GetFromPoint(const wxPoint &p)
	68	{
	69	GDHandle hndl;
	70	size_t num = 0;
	71	hndl = DMGetFirstScreenDevice(true);
	72	while(hndl)
	73	{
	74	Rect screenrect = (*hndl)->gdRect;
	75	if (p.x >= screenrect.left &&
	76	p.x <= screenrect.right &&
	77	p.y >= screenrect.top &&
	78	p.y <= screenrect.bottom)
	79	{
	80	return num;
	81	}
	82	num++;
	83	hndl = DMGetNextScreenDevice(hndl, true);
	84	}
	85	return -1;
	86	}
	87
	88	wxDisplay::wxDisplay(size_t index) : wxDisplayBase ( index ),
	89	m_priv ( new wxDisplayMacPriv() )
	90	{
	91	GDHandle hndl;
	92	hndl = DMGetFirstScreenDevice(true);
	93	m_priv->m_hndl = NULL;
	94	while(hndl)
	95	{
	96	if (index == 0)
	97	{
	98	m_priv->m_hndl = hndl;
	99	}
	100	index--;
	101	hndl = DMGetNextScreenDevice(hndl, true);
	102	}
	103	}
	104
	105	wxRect wxDisplay::GetGeometry() const
	106	{
	107	if (!(m_priv)) return wxRect(0, 0, 0, 0);
	108	if (!(m_priv->m_hndl)) return wxRect(0, 0, 0, 0);
	109	Rect screenrect = (*(m_priv->m_hndl))->gdRect;
	110	return wxRect( screenrect.left, screenrect.top,
	111	screenrect.right - screenrect.left, screenrect.bottom - screenrect.top);
	112	}
	113
	114	int wxDisplay::GetDepth() const
	115	{
116	if (!(m_priv)) return 0;
117	if (!(m_priv->m_hndl)) return 0;
118
119	// This cryptic looking code is based on Apple's sample code:
120	// http://developer.apple.com/samplecode/Sample_Code/Graphics_2D/GDevVideo/Gen.cp.htm
1ed1a609 SC	121
	122	//RN - according to the docs
	123	//gdPMap is a bitmap-type representation of the GDevice, and all
	124	//0x0000FFFF does is get the lower 16 bits of pixelSize. However,
	125	//since pixelSize is only 16 bits (a short)...
a536e411 JS	126	return ((((m_priv->m_hndl))->gdPMap)->pixelSize) & 0x0000FFFF;
	127	}
	128
	129	wxString wxDisplay::GetName() const
	130	{
	131	// Macs don't name their displays...
1e1cc1ce DS	132	return wxEmptyString;
	133	}
	134
1ed1a609 SC	135	struct DMModeIteratorRec
	136	{
	137	wxArrayVideoModes* pModes;
	138	const wxVideoMode* pMatchMode;
	139	};
	140
	141	pascal void DMModeListIteratorProc ( void* pData,
	142	DMListIndexType nIndex,
	143	DMDisplayModeListEntryPtr pInfo)
	144	{
	145	DMModeIteratorRec* pInfoData = (DMModeIteratorRec*) pData;
	146
	147	//Note that in testing the refresh rate is always 0 on my ibook - RN
	148	int refresh = (int) Fix2Long(pInfo->displayModeResolutionInfo->csRefreshRate);
	149
	150	for(unsigned long i = 0; i < pInfo->displayModeDepthBlockInfo->depthBlockCount; ++i)
	151	{
	152	#define pDBI pInfo->displayModeDepthBlockInfo->depthVPBlock[i].depthVPBlock
	153
	154	if (wxVideoMode((int) pInfo->displayModeResolutionInfo->csHorizontalPixels,
	155	(int) pInfo->displayModeResolutionInfo->csVerticalLines,
	156	(int) pDBI->vpPixelSize,
	157	refresh).Matches(*pInfoData->pMatchMode) )
	158	{
	159	pInfoData->pModes->Add(wxVideoMode((int) pInfo->displayModeResolutionInfo->csHorizontalPixels,
	160	(int) pInfo->displayModeResolutionInfo->csVerticalLines,
	161	(int) pDBI->vpPixelSize,
	162	refresh));
	163	}
	164	#undef pDBI
	165	}
	166	}
	167
	168	struct DMModeInfoRec
	169	{
	170	const wxVideoMode* pMode;
	171	VDSwitchInfoRec sMode;
	172	bool bMatched;
	173	};
	174
	175	pascal void DMModeInfoProc ( void* pData,
	176	DMListIndexType nIndex,
	177	DMDisplayModeListEntryPtr pInfo)
	178	{
	179	DMModeInfoRec* pInfoData = (DMModeInfoRec*) pData;
	180	Fixed refresh = Long2Fix(pInfoData->pMode->refresh);
	181
	182	for(unsigned long i = 0; i < pInfo->displayModeDepthBlockInfo->depthBlockCount; ++i)
	183	{
	184	#define pDBI pInfo->displayModeDepthBlockInfo->depthVPBlock[i].depthVPBlock
	185	if (pInfoData->pMode->w == (int&) pInfo->displayModeResolutionInfo->csHorizontalPixels &&
	186	pInfoData->pMode->h == (int&) pInfo->displayModeResolutionInfo->csVerticalLines &&
	187	pInfoData->pMode->bpp == (int) pDBI->vpPixelSize &&
	188	refresh == pInfo->displayModeResolutionInfo->csRefreshRate)
	189	{
	190	memcpy(&pInfoData->sMode, pInfo->displayModeDepthBlockInfo->depthVPBlock[i].depthSwitchInfo,
	191	sizeof(VDSwitchInfoRec));
	192	pInfoData->sMode.csMode = pDBI->vpPixelSize;
	193	pInfoData->bMatched = true;
	194	break;
	195	}
	196	#undef pDBI
	197	}
	198	}
199
200	struct DMModeTransRec
201	{
202	wxVideoMode Mode;
203	const VDSwitchInfoRec* psMode;
204	bool bMatched;
205	};
206
207	pascal void DMModeTransProc ( void* pData,
208	DMListIndexType nIndex,
209	DMDisplayModeListEntryPtr pInfo)
210	{
211	DMModeTransRec* pInfoData = (DMModeTransRec*) pData;
212
213	for(unsigned long i = 0; i < pInfo->displayModeDepthBlockInfo->depthBlockCount; ++i)
214	{
215	#define pDBI pInfo->displayModeDepthBlockInfo->depthVPBlock[i].depthVPBlock
216	if (pInfoData->psMode->csData == pInfo->displayModeDepthBlockInfo->depthVPBlock[i].depthSwitchInfo->csData)
217	{
218	pInfoData->Mode = wxVideoMode((int) pInfo->displayModeResolutionInfo->csHorizontalPixels,
219	(int) pInfo->displayModeResolutionInfo->csVerticalLines,
220	(int) pDBI->vpPixelSize,
221	(int) Fix2Long(pInfo->displayModeResolutionInfo->csRefreshRate) );
222	pInfoData->bMatched = true;
223	break;
224	}
225	#undef pDBI
226	}
227	}
228
229	wxArrayVideoModes
1e1cc1ce DS	230	wxDisplay::GetModes(const wxVideoMode& mode) const
1e1cc1ce DS	231	{
1ed1a609 SC	232
	233	wxArrayVideoModes Modes;
	234
	235	unsigned long dwDMVer;
	236	Gestalt(gestaltDisplayMgrVers, (long*) &dwDMVer);
	237
	238	//Check DM version (for backward compatibility only - 7.5.3+ use 2.0)
	239	if (dwDMVer >= 0x020000) //version 2?
	240	{
	241
	242	DMListIndexType nNumModes;
	243	DMListType pModes;
	244	DMDisplayModeListIteratorUPP uppMLI;
	245	DisplayIDType nDisplayID;
	246
	247	wxASSERT(DMGetDisplayIDByGDevice(m_priv->m_hndl, &nDisplayID, false) == noErr);
	248	//Create a new list...
	249	wxASSERT_MSG(DMNewDisplayModeList(nDisplayID, NULL, NULL, &nNumModes, &pModes) == noErr, wxT("Could not create a new display mode list") );
	250
	251	uppMLI = NewDMDisplayModeListIteratorUPP(DMModeListIteratorProc);
	252	wxASSERT(uppMLI);
	253
	254	DMModeIteratorRec sModeInfo;
	255	sModeInfo.pModes = &Modes;
	256	sModeInfo.pMatchMode = &mode;
	257	for (DMListIndexType i = 0; i < nNumModes; ++i)
	258	{
	259	wxASSERT(DMGetIndexedDisplayModeFromList(pModes, i, NULL,
	260	uppMLI, &sModeInfo) == noErr);
	261	}
	262	DisposeDMDisplayModeListIteratorUPP(uppMLI);
	263	wxASSERT(DMDisposeList(pModes) == noErr);
	264	}
	265	else //DM 1.0, 1.2, 1.x
	266	{
	267	wxLogSysError(wxString::Format(wxT("Display Manager Version %u Not Supported! Present? %s"),
	268	(unsigned int) dwDMVer / 0x10000,
	269	(dwDMVer & (1 << gestaltDisplayMgrPresent) ? wxT("Yes") : wxT("No")) )
	270	);
	271	}
	272
	273	return Modes;
1e1cc1ce DS	274	}
	275
	276	wxVideoMode wxDisplay::GetCurrentMode() const
	277	{
1ed1a609 SC	278	unsigned long dwDMVer;
	279	wxVideoMode RetMode;
	280
	281	Gestalt(gestaltDisplayMgrVers, (long*) &dwDMVer);
	282	//Check DM version (for backward compatibility only - 7.5.3+ use 2.0)
	283	if (dwDMVer >= 0x020000) //version 2?
	284	{
	285	VDSwitchInfoRec sMode; //Note - csMode member also contains the bit depth
	286	if (DMGetDisplayMode(m_priv->m_hndl, &sMode) == noErr)
	287	{
	288	DMListIndexType nNumModes;
	289	DMListType pModes;
	290	DMDisplayModeListIteratorUPP uppMLI;
	291	DisplayIDType nDisplayID;
	292
	293	wxASSERT(DMGetDisplayIDByGDevice(m_priv->m_hndl, &nDisplayID, false) == noErr);
	294	//Create a new list...
	295	wxASSERT_MSG(DMNewDisplayModeList(nDisplayID, NULL, NULL, &nNumModes, &pModes) == noErr,
	296	wxT("Could not create a new display mode list") );
	297
	298	uppMLI = NewDMDisplayModeListIteratorUPP(DMModeTransProc);
	299	wxASSERT(uppMLI);
	300
	301	DMModeTransRec sModeInfo;
	302	sModeInfo.bMatched = false;
	303	sModeInfo.psMode = &sMode;
	304	for (DMListIndexType i = 0; i < nNumModes; ++i)
	305	{
	306	wxASSERT(DMGetIndexedDisplayModeFromList(pModes, i, NULL,
	307	uppMLI, &sModeInfo) == noErr);
	308
	309	if ( sModeInfo.bMatched == true )
	310	{
	311	RetMode = sModeInfo.Mode;
	312	break;
	313	}
	314	}
	315
	316	DisposeDMDisplayModeListIteratorUPP(uppMLI);
	317	wxASSERT(DMDisposeList(pModes) == noErr);
	318	}
	319	else //Can't get current mode?
	320	{
	321	wxLogSysError(wxString::Format(wxT("Couldn't obtain current display mode!!!\ndwDMVer:%u"),
	322	(unsigned int) dwDMVer));
	323	}
	324	}
	325	else //DM ver 1
	326	{
	327	wxLogSysError(wxString::Format(wxT("Display Manager Version %u Not Supported! Present? %s"),
	328	(unsigned int) dwDMVer / 0x10000,
	329	(dwDMVer & (1 << gestaltDisplayMgrPresent) ? wxT("Yes") : wxT("No")) )
	330	);
	331	}
	332
	333	return RetMode;
1e1cc1ce DS	334	}
	335
	336	bool wxDisplay::ChangeMode(const wxVideoMode& mode)
	337	{
1ed1a609 SC	338	unsigned long dwDMVer;
	339	Gestalt(gestaltDisplayMgrVers, (long*)&dwDMVer);
	340	if (GetCount() == 1 \|\| dwDMVer >= 0x020000)
	341	{
	342	if (mode == wxDefaultVideoMode)
	343	{
	344	//#ifndef __DARWIN__
	345	// Handle hDisplayState;
	346	// if (DMBeginConfigureDisplays(&hDisplayState) != noErr)
	347	// {
	348	// wxLogSysError(wxT("Could not lock display for display mode changing!"));
	349	// return false;
	350	// }
	351	// wxASSERT( DMUseScreenPrefs(true, hDisplayState) == noErr);
	352	// DMEndConfigureDisplays(hDisplayState);
	353	// return true;
	354	//#else
	355	//hmmmmm....
	356	return true;
	357	//#endif
	358	}
	359
	360	//0 & NULL for params 2 & 3 of DMSetVideoMode signal it to use defaults (current mode)
	361	//DM 2.0+ doesn't use params 2 & 3 of DMSetDisplayMode
	362	//so we have to use this icky structure
	363	VDSwitchInfoRec sMode;
	364	memset(&sMode, 0, sizeof(VDSwitchInfoRec) );
	365
	366	DMListIndexType nNumModes;
	367	DMListType pModes;
	368	DMDisplayModeListIteratorUPP uppMLI;
	369	DisplayIDType nDisplayID;
	370
	371	wxASSERT(DMGetDisplayIDByGDevice(m_priv->m_hndl, &nDisplayID, false) == noErr);
	372	//Create a new list...
	373	wxASSERT_MSG(DMNewDisplayModeList(nDisplayID, NULL, NULL, &nNumModes, &pModes) == noErr,
	374	wxT("Could not create a new display mode list") );
	375
	376	uppMLI = NewDMDisplayModeListIteratorUPP(DMModeInfoProc);
	377	wxASSERT(uppMLI);
	378
	379	DMModeInfoRec sModeInfo;
	380	sModeInfo.bMatched = false;
	381	sModeInfo.pMode = &mode;
	382	unsigned int i;
	383	for(i = 0; i < nNumModes; ++i)
	384	{
	385	wxASSERT(DMGetIndexedDisplayModeFromList(pModes, i, NULL,
	386	uppMLI, &sModeInfo) == noErr);
	387	if (sModeInfo.bMatched == true)
	388	{
	389	sMode = sModeInfo.sMode;
	390	break;
	391	}
	392	}
	393	if(i == nNumModes)
	394	return false;
	395
	396	DisposeDMDisplayModeListIteratorUPP(uppMLI);
	397	wxASSERT(DMDisposeList(pModes) == noErr);
	398
	399	// For the really paranoid -
	400	// unsigned long flags;
	401	// Boolean bok;
402	// wxASSERT(noErr == DMCheckDisplayMode(m_priv->m_hndl, sMode.csData,
403	// sMode.csMode, &flags, NULL, &bok));
404	// wxASSERT(bok);
405
406	Handle hDisplayState;
407	if (DMBeginConfigureDisplays(&hDisplayState) != noErr)
408	{
409	wxLogSysError(wxT("Could not lock display for display mode changing!"));
410	return false;
411	}
412
413	unsigned long dwBPP = (unsigned long) mode.bpp;
414	if (DMSetDisplayMode(m_priv->m_hndl, sMode.csData,
415	(unsigned long*) &(dwBPP), NULL
416	//(unsigned long) &sMode
417	, hDisplayState
418	) != noErr)
419	{
420	DMEndConfigureDisplays(hDisplayState);
421	wxMessageBox(wxString::Format(wxT("Could not set the display mode")));
422	return false;
423	}
424	DMEndConfigureDisplays(hDisplayState);
425	}
426	else //DM 1.0, 1.2, 1.x
427	{
428	wxLogSysError(wxString::Format(wxT("Monitor gravitation not supported yet. dwDMVer:%u"),
429	(unsigned int) dwDMVer));
430	return false;
431	}
432
433	return true;
a536e411 JS	434	}
	435
	436	wxDisplay::~wxDisplay()
	437	{
	438	if ( m_priv )
	439	{
	440	delete m_priv;
	441	m_priv = 0;
	442	}
	443	}
	444
	445	#endif // wxUSE_DISPLAY