src/mac/classic/display.cpp

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

// ============================================================================
// declarations
// ============================================================================

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------

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

// ----------------------------------------------------------------------------
// display implementation classes
// ----------------------------------------------------------------------------

class wxDisplayImplMac : public wxDisplayImpl
{
public:
    wxDisplayImplMac(size_t n, GDHandle hndl)
        : wxDisplayImpl(n),
          m_hndl(hndl)
    {
    }

    virtual wxRect GetGeometry() const;
    virtual wxString GetName() const { return wxString(); }

    virtual wxArrayVideoModes GetModes(const wxVideoMode& mode) const;
    virtual wxVideoMode GetCurrentMode() const;
    virtual bool ChangeMode(const wxVideoMode& mode);

private:
    GDHandle m_hndl;

    DECLARE_NO_COPY_CLASS(wxDisplayImplMac)
};

class wxDisplayFactoryMac : public wxDisplayFactory
{
public:
    wxDisplayFactoryMac();

    virtual wxDisplayImpl *CreateDisplay(size_t n);
    virtual size_t GetCount();
    virtual int GetFromPoint(const wxPoint& pt);

protected:
    DECLARE_NO_COPY_CLASS(wxDisplayFactoryMac)
};

// ============================================================================
// wxDisplayFactoryMac implementation
// ============================================================================

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

int wxDisplayFactoryMac::GetFromPoint(const wxPoint &p)
{
    size_t num = 0;
    GDHandle 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 wxNOT_FOUND;
}

wxDisplayImpl *wxDisplayFactoryMac::CreateDisplay(size_t n)
{
    size_t nOrig = n;

    GDHandle hndl = DMGetFirstScreenDevice(true);
    while(hndl)
    {
        if (n == 0)
        {
            return new wxDisplayImplMac(nOrig, hndl);
        }
        n--;
        hndl = DMGetNextScreenDevice(hndl, true);
    }

    return NULL;
}

// ============================================================================
// wxDisplayImplMac implementation
// ============================================================================

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

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 wxDisplayImplMac::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_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 wxDisplayImplMac::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_hndl, &sMode) == noErr)
        {
            DMListIndexType nNumModes;
            DMListType pModes;
            DMDisplayModeListIteratorUPP uppMLI;
            DisplayIDType nDisplayID;

            wxASSERT(DMGetDisplayIDByGDevice(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 wxDisplayImplMac::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_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_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_hndl, sMode.csData,
                            (unsigned long*) &(dwBPP), NULL
                           //(unsigned long) &sMode
                           , hDisplayState
                           )  != noErr)
        {
            DMEndConfigureDisplays(hDisplayState);
            wxLogError(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::CreateFactory()
// ============================================================================

/* static */ wxDisplayFactory *wxDisplay::CreateFactory()
{
    return new wxDisplayFactoryMac;
}

#endif // wxUSE_DISPLAY
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: src/mac/classic/display.cpp
	3	// Purpose: Mac implementation of wxDisplay class
	4	// Author: Brian Victor
	5	// Modified by: Royce Mitchell III & Ryan Norton, Vadim Zeitlin
	6	// Created: 06/21/02
	7	// RCS-ID: $Id$
	8	// Copyright: (c) wxWidgets team
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	// ============================================================================
	13	// declarations
	14	// ============================================================================
	15
	16	// ----------------------------------------------------------------------------
	17	// headers
	18	// ----------------------------------------------------------------------------
	19
	20	// For compilers that support precompilation, includes "wx.h".
	21	#include "wx/wxprec.h"
	22
	23	#ifdef __BORLANDC__
	24	#pragma hdrstop
	25	#endif
	26
	27	#if wxUSE_DISPLAY
	28
	29	#ifndef WX_PRECOMP
	30	#include "wx/dynarray.h"
	31	#include "wx/log.h"
	32	#endif
	33
	34	#ifdef __DARWIN__
	35	#include <Carbon/Carbon.h>
	36	#else
	37	#include <Gestalt.h>
	38	#include <Displays.h>
	39	#include <Quickdraw.h>
	40	#include <Video.h> //for VDSwitchInfoRec
	41	#include <FixMath.h>
	42	#endif
	43
	44	#include "wx/display.h"
	45	#include "wx/display_impl.h"
	46	#include "wx/gdicmn.h"
	47	#include "wx/string.h"
	48
	49	// ----------------------------------------------------------------------------
	50	// display implementation classes
	51	// ----------------------------------------------------------------------------
	52
	53	class wxDisplayImplMac : public wxDisplayImpl
	54	{
	55	public:
	56	wxDisplayImplMac(size_t n, GDHandle hndl)
	57	: wxDisplayImpl(n),
	58	m_hndl(hndl)
	59	{
	60	}
	61
	62	virtual wxRect GetGeometry() const;
	63	virtual wxString GetName() const { return wxString(); }
	64
	65	virtual wxArrayVideoModes GetModes(const wxVideoMode& mode) const;
	66	virtual wxVideoMode GetCurrentMode() const;
	67	virtual bool ChangeMode(const wxVideoMode& mode);
	68
	69	private:
	70	GDHandle m_hndl;
	71
	72	DECLARE_NO_COPY_CLASS(wxDisplayImplMac)
	73	};
	74
	75	class wxDisplayFactoryMac : public wxDisplayFactory
	76	{
	77	public:
	78	wxDisplayFactoryMac();
	79
	80	virtual wxDisplayImpl *CreateDisplay(size_t n);
	81	virtual size_t GetCount();
	82	virtual int GetFromPoint(const wxPoint& pt);
	83
	84	protected:
	85	DECLARE_NO_COPY_CLASS(wxDisplayFactoryMac)
	86	};
	87
	88	// ============================================================================
	89	// wxDisplayFactoryMac implementation
	90	// ============================================================================
	91
	92	size_t wxDisplayFactoryMac::GetCount()
	93	{
	94	size_t num = 0;
	95	GDHandle hndl = DMGetFirstScreenDevice(true);
	96	while(hndl)
	97	{
	98	num++;
	99	hndl = DMGetNextScreenDevice(hndl, true);
	100	}
	101	return num;
	102	}
	103
	104	int wxDisplayFactoryMac::GetFromPoint(const wxPoint &p)
	105	{
	106	size_t num = 0;
	107	GDHandle hndl = DMGetFirstScreenDevice(true);
	108	while(hndl)
	109	{
	110	Rect screenrect = (*hndl)->gdRect;
	111	if (p.x >= screenrect.left &&
	112	p.x <= screenrect.right &&
	113	p.y >= screenrect.top &&
	114	p.y <= screenrect.bottom)
	115	{
	116	return num;
	117	}
	118	num++;
	119	hndl = DMGetNextScreenDevice(hndl, true);
	120	}
	121
	122	return wxNOT_FOUND;
	123	}
	124
	125	wxDisplayImpl *wxDisplayFactoryMac::CreateDisplay(size_t n)
	126	{
	127	size_t nOrig = n;
	128
	129	GDHandle hndl = DMGetFirstScreenDevice(true);
	130	while(hndl)
	131	{
	132	if (n == 0)
	133	{
	134	return new wxDisplayImplMac(nOrig, hndl);
	135	}
	136	n--;
	137	hndl = DMGetNextScreenDevice(hndl, true);
	138	}
	139
	140	return NULL;
	141	}
	142
	143	// ============================================================================
	144	// wxDisplayImplMac implementation
	145	// ============================================================================
	146
	147	wxRect wxDisplayImplMac::GetGeometry() const
	148	{
	149	Rect screenrect = (*m_hndl)->gdRect;
	150	return wxRect(screenrect.left, screenrect.top,
	151	screenrect.right - screenrect.left,
	152	screenrect.bottom - screenrect.top);
	153	}
	154
	155	struct DMModeIteratorRec
	156	{
	157	wxArrayVideoModes* pModes;
	158	const wxVideoMode* pMatchMode;
	159	};
	160
	161	pascal void DMModeListIteratorProc ( void* pData,
	162	DMListIndexType nIndex,
	163	DMDisplayModeListEntryPtr pInfo)
	164	{
	165	DMModeIteratorRec* pInfoData = (DMModeIteratorRec*) pData;
	166
	167	//Note that in testing the refresh rate is always 0 on my ibook - RN
	168	int refresh = (int) Fix2Long(pInfo->displayModeResolutionInfo->csRefreshRate);
	169
	170	for(unsigned long i = 0; i < pInfo->displayModeDepthBlockInfo->depthBlockCount; ++i)
	171	{
	172	#define pDBI pInfo->displayModeDepthBlockInfo->depthVPBlock[i].depthVPBlock
	173
	174	if (wxVideoMode((int) pInfo->displayModeResolutionInfo->csHorizontalPixels,
	175	(int) pInfo->displayModeResolutionInfo->csVerticalLines,
	176	(int) pDBI->vpPixelSize,
	177	refresh).Matches(*pInfoData->pMatchMode) )
	178	{
	179	pInfoData->pModes->Add(wxVideoMode((int) pInfo->displayModeResolutionInfo->csHorizontalPixels,
	180	(int) pInfo->displayModeResolutionInfo->csVerticalLines,
	181	(int) pDBI->vpPixelSize,
	182	refresh));
	183	}
	184	#undef pDBI
	185	}
	186	}
	187
	188	struct DMModeInfoRec
	189	{
	190	const wxVideoMode* pMode;
	191	VDSwitchInfoRec sMode;
	192	bool bMatched;
	193	};
	194
	195	pascal void DMModeInfoProc ( void* pData,
	196	DMListIndexType nIndex,
	197	DMDisplayModeListEntryPtr pInfo)
	198	{
	199	DMModeInfoRec* pInfoData = (DMModeInfoRec*) pData;
	200	Fixed refresh = Long2Fix(pInfoData->pMode->refresh);
	201
	202	for(unsigned long i = 0; i < pInfo->displayModeDepthBlockInfo->depthBlockCount; ++i)
	203	{
	204	#define pDBI pInfo->displayModeDepthBlockInfo->depthVPBlock[i].depthVPBlock
	205	if (pInfoData->pMode->w == (int&) pInfo->displayModeResolutionInfo->csHorizontalPixels &&
	206	pInfoData->pMode->h == (int&) pInfo->displayModeResolutionInfo->csVerticalLines &&
	207	pInfoData->pMode->bpp == (int) pDBI->vpPixelSize &&
	208	refresh == pInfo->displayModeResolutionInfo->csRefreshRate)
	209	{
	210	memcpy(&pInfoData->sMode, pInfo->displayModeDepthBlockInfo->depthVPBlock[i].depthSwitchInfo,
	211	sizeof(VDSwitchInfoRec));
	212	pInfoData->sMode.csMode = pDBI->vpPixelSize;
	213	pInfoData->bMatched = true;
	214	break;
	215	}
	216	#undef pDBI
	217	}
	218	}
	219
	220	struct DMModeTransRec
	221	{
	222	wxVideoMode Mode;
	223	const VDSwitchInfoRec* psMode;
	224	bool bMatched;
	225	};
	226
	227	pascal void DMModeTransProc ( void* pData,
	228	DMListIndexType nIndex,
	229	DMDisplayModeListEntryPtr pInfo)
	230	{
	231	DMModeTransRec* pInfoData = (DMModeTransRec*) pData;
	232
	233	for(unsigned long i = 0; i < pInfo->displayModeDepthBlockInfo->depthBlockCount; ++i)
	234	{
	235	#define pDBI pInfo->displayModeDepthBlockInfo->depthVPBlock[i].depthVPBlock
	236	if (pInfoData->psMode->csData == pInfo->displayModeDepthBlockInfo->depthVPBlock[i].depthSwitchInfo->csData)
	237	{
	238	pInfoData->Mode = wxVideoMode((int) pInfo->displayModeResolutionInfo->csHorizontalPixels,
	239	(int) pInfo->displayModeResolutionInfo->csVerticalLines,
	240	(int) pDBI->vpPixelSize,
	241	(int) Fix2Long(pInfo->displayModeResolutionInfo->csRefreshRate) );
	242	pInfoData->bMatched = true;
	243	break;
	244	}
	245	#undef pDBI
	246	}
	247	}
	248
	249	wxArrayVideoModes wxDisplayImplMac::GetModes(const wxVideoMode& mode) const
	250	{
	251	wxArrayVideoModes Modes;
	252
	253	unsigned long dwDMVer;
	254	Gestalt(gestaltDisplayMgrVers, (long*) &dwDMVer);
	255
	256	//Check DM version (for backward compatibility only - 7.5.3+ use 2.0)
	257	if (dwDMVer >= 0x020000) //version 2?
	258	{
	259
	260	DMListIndexType nNumModes;
	261	DMListType pModes;
	262	DMDisplayModeListIteratorUPP uppMLI;
	263	DisplayIDType nDisplayID;
	264
	265	wxASSERT(DMGetDisplayIDByGDevice(m_hndl, &nDisplayID, false) == noErr);
	266	//Create a new list...
	267	wxASSERT_MSG(DMNewDisplayModeList(nDisplayID, NULL, NULL, &nNumModes, &pModes) == noErr, wxT("Could not create a new display mode list") );
	268
	269	uppMLI = NewDMDisplayModeListIteratorUPP(DMModeListIteratorProc);
	270	wxASSERT(uppMLI);
	271
	272	DMModeIteratorRec sModeInfo;
	273	sModeInfo.pModes = &Modes;
	274	sModeInfo.pMatchMode = &mode;
	275	for (DMListIndexType i = 0; i < nNumModes; ++i)
	276	{
	277	wxASSERT(DMGetIndexedDisplayModeFromList(pModes, i, NULL,
	278	uppMLI, &sModeInfo) == noErr);
	279	}
	280	DisposeDMDisplayModeListIteratorUPP(uppMLI);
	281	wxASSERT(DMDisposeList(pModes) == noErr);
	282	}
	283	else //DM 1.0, 1.2, 1.x
	284	{
	285	wxLogSysError(wxString::Format(wxT("Display Manager Version %u Not Supported! Present? %s"),
	286	(unsigned int) dwDMVer / 0x10000,
	287	(dwDMVer & (1 << gestaltDisplayMgrPresent) ? wxT("Yes") : wxT("No")) )
	288	);
	289	}
	290
	291	return Modes;
	292	}
	293
	294	wxVideoMode wxDisplayImplMac::GetCurrentMode() const
	295	{
	296	unsigned long dwDMVer;
	297	wxVideoMode RetMode;
	298
	299	Gestalt(gestaltDisplayMgrVers, (long*) &dwDMVer);
	300	//Check DM version (for backward compatibility only - 7.5.3+ use 2.0)
	301	if (dwDMVer >= 0x020000) //version 2?
	302	{
	303	VDSwitchInfoRec sMode; //Note - csMode member also contains the bit depth
	304	if (DMGetDisplayMode(m_hndl, &sMode) == noErr)
	305	{
	306	DMListIndexType nNumModes;
	307	DMListType pModes;
	308	DMDisplayModeListIteratorUPP uppMLI;
	309	DisplayIDType nDisplayID;
	310
	311	wxASSERT(DMGetDisplayIDByGDevice(m_hndl, &nDisplayID, false) == noErr);
	312	//Create a new list...
	313	wxASSERT_MSG(DMNewDisplayModeList(nDisplayID, NULL, NULL, &nNumModes, &pModes) == noErr,
	314	wxT("Could not create a new display mode list") );
	315
	316	uppMLI = NewDMDisplayModeListIteratorUPP(DMModeTransProc);
	317	wxASSERT(uppMLI);
	318
	319	DMModeTransRec sModeInfo;
	320	sModeInfo.bMatched = false;
	321	sModeInfo.psMode = &sMode;
	322	for (DMListIndexType i = 0; i < nNumModes; ++i)
	323	{
	324	wxASSERT(DMGetIndexedDisplayModeFromList(pModes, i, NULL,
	325	uppMLI, &sModeInfo) == noErr);
	326
	327	if ( sModeInfo.bMatched == true )
	328	{
	329	RetMode = sModeInfo.Mode;
	330	break;
	331	}
	332	}
	333
	334	DisposeDMDisplayModeListIteratorUPP(uppMLI);
	335	wxASSERT(DMDisposeList(pModes) == noErr);
	336	}
	337	else //Can't get current mode?
	338	{
	339	wxLogSysError(wxString::Format(wxT("Couldn't obtain current display mode!!!\ndwDMVer:%u"),
	340	(unsigned int) dwDMVer));
	341	}
	342	}
	343	else //DM ver 1
	344	{
	345	wxLogSysError(wxString::Format(wxT("Display Manager Version %u Not Supported! Present? %s"),
	346	(unsigned int) dwDMVer / 0x10000,
	347	(dwDMVer & (1 << gestaltDisplayMgrPresent) ? wxT("Yes") : wxT("No")) )
	348	);
	349	}
	350
	351	return RetMode;
	352	}
	353
	354	bool wxDisplayImplMac::ChangeMode(const wxVideoMode& mode)
	355	{
	356	unsigned long dwDMVer;
	357	Gestalt(gestaltDisplayMgrVers, (long*)&dwDMVer);
	358	if (GetCount() == 1 \|\| dwDMVer >= 0x020000)
	359	{
	360	if (mode == wxDefaultVideoMode)
	361	{
	362	//#ifndef __DARWIN__
	363	// Handle hDisplayState;
	364	// if (DMBeginConfigureDisplays(&hDisplayState) != noErr)
	365	// {
	366	// wxLogSysError(wxT("Could not lock display for display mode changing!"));
	367	// return false;
	368	// }
	369	// wxASSERT( DMUseScreenPrefs(true, hDisplayState) == noErr);
	370	// DMEndConfigureDisplays(hDisplayState);
	371	// return true;
	372	//#else
	373	//hmmmmm....
	374	return true;
	375	//#endif
	376	}
	377
	378	//0 & NULL for params 2 & 3 of DMSetVideoMode signal it to use defaults (current mode)
	379	//DM 2.0+ doesn't use params 2 & 3 of DMSetDisplayMode
	380	//so we have to use this icky structure
	381	VDSwitchInfoRec sMode;
	382	memset(&sMode, 0, sizeof(VDSwitchInfoRec) );
	383
	384	DMListIndexType nNumModes;
	385	DMListType pModes;
	386	DMDisplayModeListIteratorUPP uppMLI;
	387	DisplayIDType nDisplayID;
	388
	389	wxASSERT(DMGetDisplayIDByGDevice(m_hndl, &nDisplayID, false) == noErr);
	390	//Create a new list...
	391	wxASSERT_MSG(DMNewDisplayModeList(nDisplayID, NULL, NULL, &nNumModes, &pModes) == noErr,
	392	wxT("Could not create a new display mode list") );
	393
	394	uppMLI = NewDMDisplayModeListIteratorUPP(DMModeInfoProc);
	395	wxASSERT(uppMLI);
	396
	397	DMModeInfoRec sModeInfo;
	398	sModeInfo.bMatched = false;
	399	sModeInfo.pMode = &mode;
	400	unsigned int i;
	401	for(i = 0; i < nNumModes; ++i)
	402	{
	403	wxASSERT(DMGetIndexedDisplayModeFromList(pModes, i, NULL,
	404	uppMLI, &sModeInfo) == noErr);
	405	if (sModeInfo.bMatched == true)
	406	{
	407	sMode = sModeInfo.sMode;
	408	break;
	409	}
	410	}
	411	if(i == nNumModes)
	412	return false;
	413
	414	DisposeDMDisplayModeListIteratorUPP(uppMLI);
	415	wxASSERT(DMDisposeList(pModes) == noErr);
	416
	417	// For the really paranoid -
	418	// unsigned long flags;
	419	// Boolean bok;
	420	// wxASSERT(noErr == DMCheckDisplayMode(m_hndl, sMode.csData,
	421	// sMode.csMode, &flags, NULL, &bok));
	422	// wxASSERT(bok);
	423
	424	Handle hDisplayState;
	425	if (DMBeginConfigureDisplays(&hDisplayState) != noErr)
	426	{
	427	wxLogSysError(wxT("Could not lock display for display mode changing!"));
	428	return false;
	429	}
	430
	431	unsigned long dwBPP = (unsigned long) mode.bpp;
	432	if (DMSetDisplayMode(m_hndl, sMode.csData,
	433	(unsigned long*) &(dwBPP), NULL
	434	//(unsigned long) &sMode
	435	, hDisplayState
	436	) != noErr)
	437	{
	438	DMEndConfigureDisplays(hDisplayState);
	439	wxLogError(wxT("Could not set the display mode"));
	440	return false;
	441	}
	442	DMEndConfigureDisplays(hDisplayState);
	443	}
	444	else //DM 1.0, 1.2, 1.x
	445	{
	446	wxLogSysError(wxString::Format(wxT("Monitor gravitation not supported yet. dwDMVer:%u"),
	447	(unsigned int) dwDMVer));
	448	return false;
	449	}
	450
	451	return true;
	452	}
	453
	454	// ============================================================================
	455	// wxDisplay::CreateFactory()
	456	// ============================================================================
	457
	458	/* static / wxDisplayFactory wxDisplay::CreateFactory()
	459	{
	460	return new wxDisplayFactoryMac;
	461	}
	462
	463	#endif // wxUSE_DISPLAY