+++ /dev/null
-/////////////////////////////////////////////////////////////////////////////
-// 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"
- #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"
-#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
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