// Name: display.cpp
// Purpose: Mac implementation of wxDisplay class
// Author: Brian Victor
-// Modified by: Royce Mitchell III
+// Modified by: Royce Mitchell III & Ryan Norton
// Created: 06/21/02
// RCS-ID: $Id$
// Copyright: (c) wxWindows team
#ifndef WX_PRECOMP
#include "wx/dynarray.h"
+ #include "wx/log.h"
#endif
#ifdef __DARWIN__
#else
#include <Displays.h>
#include <Quickdraw.h>
+ #include <Video.h> //for VDSwitchInfoRec
#endif
#include "wx/display.h"
class wxDisplayMacPriv
{
public:
- GDHandle m_hndl;
+ GDHandle m_hndl;
};
size_t wxDisplayBase::GetCount()
// 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 wxT("");
+ 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()
projects / wxWidgets.git / blobdiff