]> git.saurik.com Git - wxWidgets.git/blobdiff - src/mac/carbon/display.cpp
correct Stopping - go to start of movie if stopped - add in preliminary docs
[wxWidgets.git] / src / mac / carbon / display.cpp
index d3b03d203c4b0c6cb2b2e46de8771d1a217dc0d2..313c2f26cc1ff224c4f5832fb2983421fa4db14e 100644 (file)
@@ -1,11 +1,11 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        display.cpp
 // Purpose:     Mac implementation of wxDisplay class
-// Author:      Brian Victor
-// Modified by: Royce Mitchell III
+// Author:      Ryan Norton & Brian Victor
+// Modified by: Royce Mitchell III 
 // Created:     06/21/02
 // RCS-ID:      $Id$
-// Copyright:   (c) wxWindows team
+// Copyright:   (c) wxWidgets team
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 
 #ifndef WX_PRECOMP
    #include "wx/dynarray.h"
+   #include "wx/log.h"
+   #include "wx/msgdlg.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"
@@ -114,6 +119,11 @@ int wxDisplay::GetDepth() const
 
     // 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;
 }
 
@@ -123,23 +133,322 @@ wxString wxDisplay::GetName() const
     return wxEmptyString;
 }
 
- wxArrayVideoModes
+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
 {
-    // Not implemented
-    return wxArrayVideoModes();
+
+    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;
+        OSErr err;
+
+        err = DMGetDisplayIDByGDevice(m_priv->m_hndl, &nDisplayID, false);
+       wxASSERT(err == noErr); 
+        
+       //Create a new list...
+        err = DMNewDisplayModeList(nDisplayID, NULL, NULL, &nNumModes, &pModes);
+       wxASSERT_MSG(err == 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)
+       {
+            err = DMGetIndexedDisplayModeFromList(pModes, i, NULL, uppMLI, &sModeInfo);
+           wxASSERT(err == noErr);
+       }
+       DisposeDMDisplayModeListIteratorUPP(uppMLI);
+        
+        err = DMDisposeList(pModes);
+       wxASSERT(err == 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
 {
-    // Not implemented
-    return wxVideoMode();
+    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;
+            OSErr err;
+
+            err = DMGetDisplayIDByGDevice(m_priv->m_hndl, &nDisplayID, false);
+           wxASSERT(err == noErr);
+            
+           //Create a new list...
+            err = DMNewDisplayModeList(nDisplayID, NULL, NULL, &nNumModes, &pModes);
+           wxASSERT_MSG(err == 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)
+               {
+                err = DMGetIndexedDisplayModeFromList(pModes, i, NULL, uppMLI, &sModeInfo);
+                       wxASSERT(err == noErr);
+
+                       if ( sModeInfo.bMatched == true )
+                       {
+                               RetMode = sModeInfo.Mode;
+                               break;
+                       }
+               }
+
+           DisposeDMDisplayModeListIteratorUPP(uppMLI);
+            
+            err = DMDisposeList(pModes);
+           wxASSERT(err == 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)
 {
-    // Not implemented
-    return false;
+    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;
+        OSErr err;
+
+        err = DMGetDisplayIDByGDevice(m_priv->m_hndl, &nDisplayID, false);
+       wxASSERT(err == noErr);
+        
+       //Create a new list...
+        err = DMNewDisplayModeList(nDisplayID, NULL, NULL, &nNumModes, &pModes);
+       wxASSERT_MSG(err == 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)
+       {
+            err = DMGetIndexedDisplayModeFromList(pModes, i, NULL, uppMLI, &sModeInfo);
+               wxASSERT(err == noErr);
+            
+               if (sModeInfo.bMatched == true)
+               {
+                       sMode = sModeInfo.sMode;
+                       break;
+               }
+       }
+       if(i == nNumModes)
+               return false;
+
+       DisposeDMDisplayModeListIteratorUPP(uppMLI);
+       
+        err = DMDisposeList(pModes);
+        wxASSERT(err == 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()