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[wxWidgets.git] / src / msw / display.cpp
index c4be2e60fc4581673ba1436ca1a37cad491d0a78..69285f9f044786cca73db4f586ec6a3409996193 100644 (file)
 
 #if wxUSE_DISPLAY
 
+#include "wx/display.h"
+
 #ifndef WX_PRECOMP
-   #include "wx/app.h"
-   #include "wx/dynarray.h"
-   #include "wx/frame.h"
+    #include "wx/dynarray.h"
+    #include "wx/app.h"
+    #include "wx/frame.h"
 #endif
 
 #include "wx/dynload.h"
 #include "wx/sysopt.h"
 
-#include "wx/display.h"
 #include "wx/display_impl.h"
-
-// Mingw's w32api headers don't include ddraw.h, though the user may have
-// installed it.  If using configure, we actually probe for ddraw.h there
-// and set wxUSE_DIRECTDRAW.  Otherwise, assume we don't have it if using
-// the w32api headers, and that we do otherwise.
-#if !defined HAVE_W32API_H && !defined HAVE_DDRAW_H
-    #define HAVE_DDRAW_H
-#endif
-
-// user may disable compilation of DirectDraw code by setting
-// wxUSE_DIRECTDRAW to 0 in the makefile/project settings
-#if defined(HAVE_DDRAW_H) && !defined(wxUSE_DIRECTDRAW)
-    #define wxUSE_DIRECTDRAW 1
-#endif
+#include "wx/msw/wrapwin.h"
+#include "wx/msw/missing.h"
+#include "wx/msw/private.h"
 
 #ifndef __WXWINCE__
     // Older versions of windef.h don't define HMONITOR.  Unfortunately, we
     // is only defined in winuser.h if WINVER >= 0x0500
     #if !defined(HMONITOR_DECLARED) && !defined(MNS_NOCHECK)
         DECLARE_HANDLE(HMONITOR);
+        typedef BOOL(CALLBACK * MONITORENUMPROC )(HMONITOR, HDC, LPRECT, LPARAM);
+        typedef struct tagMONITORINFO
+        {
+            DWORD   cbSize;
+            RECT    rcMonitor;
+            RECT    rcWork;
+            DWORD   dwFlags;
+        } MONITORINFO, *LPMONITORINFO;
+        typedef struct tagMONITORINFOEX : public tagMONITORINFO
+        {
+            TCHAR       szDevice[CCHDEVICENAME];
+        } MONITORINFOEX, *LPMONITORINFOEX;
+        #define MONITOR_DEFAULTTONULL       0x00000000
+        #define MONITOR_DEFAULTTOPRIMARY    0x00000001
+        #define MONITOR_DEFAULTTONEAREST    0x00000002
+        #define MONITORINFOF_PRIMARY        0x00000001
         #define HMONITOR_DECLARED
     #endif
 #endif // !__WXWINCE__
 
-#ifdef wxUSE_DIRECTDRAW
-#include <ddraw.h>
-
-// we don't want to link with ddraw.lib which contains the real
-// IID_IDirectDraw2 definition
-const GUID wxIID_IDirectDraw2 =
-    { 0xB3A6F3E0, 0x2B43, 0x11CF, { 0xA2,0xDE,0x00,0xAA,0x00,0xB9,0x33,0x56 } };
-#endif // wxUSE_DIRECTDRAW
+// display functions are found in different DLLs under WinCE and normal Win32
+#ifdef __WXWINCE__
+static const wxChar displayDllName[] = wxT("coredll.dll");
+#else
+static const wxChar displayDllName[] = wxT("user32.dll");
+#endif
 
 // ----------------------------------------------------------------------------
 // typedefs for dynamically loaded Windows functions
@@ -83,22 +87,6 @@ typedef LONG (WINAPI *ChangeDisplaySettingsEx_t)(LPCTSTR lpszDeviceName,
                                                  DWORD dwFlags,
                                                  LPVOID lParam);
 
-#ifdef wxUSE_DIRECTDRAW
-typedef BOOL (PASCAL *DDEnumExCallback_t)(GUID *pGuid,
-                                          LPTSTR driverDescription,
-                                          LPTSTR driverName,
-                                          LPVOID lpContext,
-                                          HMONITOR hmon);
-
-typedef HRESULT (WINAPI *DirectDrawEnumerateEx_t)(DDEnumExCallback_t lpCallback,
-                                                  LPVOID lpContext,
-                                                  DWORD dwFlags);
-
-typedef HRESULT (WINAPI *DirectDrawCreate_t)(GUID *lpGUID,
-                                             LPDIRECTDRAW *lplpDD,
-                                             IUnknown *pUnkOuter);
-#endif // wxUSE_DIRECTDRAW
-
 typedef BOOL (WINAPI *EnumDisplayMonitors_t)(HDC,LPCRECT,MONITORENUMPROC,LPARAM);
 typedef HMONITOR (WINAPI *MonitorFromPoint_t)(POINT,DWORD);
 typedef HMONITOR (WINAPI *MonitorFromWindow_t)(HWND,DWORD);
@@ -163,7 +151,7 @@ WX_DEFINE_ARRAY_PTR(wxDisplayInfo *, wxDisplayInfoArray);
 class wxDisplayImplWin32Base : public wxDisplayImpl
 {
 public:
-    wxDisplayImplWin32Base(size_t n, wxDisplayInfo& info)
+    wxDisplayImplWin32Base(unsigned n, wxDisplayInfo& info)
         : wxDisplayImpl(n),
           m_info(info)
     {
@@ -208,9 +196,9 @@ public:
 
     bool IsOk() const { return !m_displays.empty(); }
 
-    virtual size_t GetCount() { return m_displays.size(); }
+    virtual unsigned GetCount() { return unsigned(m_displays.size()); }
     virtual int GetFromPoint(const wxPoint& pt);
-    virtual int GetFromWindow(wxWindow *window);
+    virtual int GetFromWindow(const wxWindow *window);
 
 protected:
     // ctor checks if the current system supports multimon API and dynamically
@@ -219,8 +207,8 @@ protected:
     wxDisplayFactoryWin32Base();
 
     // delete all m_displays elements: can be called from the derived class
-    // dtor if it is important to do this before destroying it (as in
-    // wxDisplayFactoryDirectDraw case), otherwise will be done by our dtor
+    // dtor if it is important to do this before destroying it,
+    // otherwise will be done by our dtor
     void Clear();
 
     // find the monitor corresponding to the given handle, return wxNOT_FOUND
@@ -236,7 +224,7 @@ protected:
     wxDisplayInfoArray m_displays;
 
 
-    DECLARE_NO_COPY_CLASS(wxDisplayFactoryWin32Base)
+    wxDECLARE_NO_COPY_CLASS(wxDisplayFactoryWin32Base);
 };
 
 // ----------------------------------------------------------------------------
@@ -246,7 +234,7 @@ protected:
 class wxDisplayImplMultimon : public wxDisplayImplWin32Base
 {
 public:
-    wxDisplayImplMultimon(size_t n, wxDisplayInfo& info)
+    wxDisplayImplMultimon(unsigned n, wxDisplayInfo& info)
         : wxDisplayImplWin32Base(n, info)
     {
     }
@@ -255,7 +243,7 @@ public:
     virtual bool ChangeMode(const wxVideoMode& mode);
 
 private:
-    DECLARE_NO_COPY_CLASS(wxDisplayImplMultimon)
+    wxDECLARE_NO_COPY_CLASS(wxDisplayImplMultimon);
 };
 
 class wxDisplayFactoryMultimon : public wxDisplayFactoryWin32Base
@@ -263,7 +251,7 @@ class wxDisplayFactoryMultimon : public wxDisplayFactoryWin32Base
 public:
     wxDisplayFactoryMultimon();
 
-    virtual wxDisplayImpl *CreateDisplay(size_t n);
+    virtual wxDisplayImpl *CreateDisplay(unsigned n);
 
 private:
     // EnumDisplayMonitors() callback
@@ -272,99 +260,10 @@ private:
                                           LPRECT lprcMonitor,
                                           LPARAM dwData);
 
-
     // add a monitor description to m_displays array
     void AddDisplay(HMONITOR hMonitor, LPRECT lprcMonitor);
 };
 
-// ----------------------------------------------------------------------------
-// wxDisplay implementation using DirectDraw
-// ----------------------------------------------------------------------------
-
-#ifdef wxUSE_DIRECTDRAW
-
-struct wxDisplayInfoDirectDraw : wxDisplayInfo
-{
-    wxDisplayInfoDirectDraw(const GUID& guid, HMONITOR hmon, LPTSTR name)
-        : wxDisplayInfo(hmon),
-          m_guid(guid)
-    {
-        m_pDD2 = NULL;
-        m_devName = name;
-    }
-
-    virtual ~wxDisplayInfoDirectDraw()
-    {
-        if ( m_pDD2 )
-            m_pDD2->Release();
-    }
-
-
-    // IDirectDraw object used to control this display, may be NULL
-    IDirectDraw2 *m_pDD2;
-
-    // DirectDraw GUID for this display, only valid when using DirectDraw
-    const GUID m_guid;
-
-
-    DECLARE_NO_COPY_CLASS(wxDisplayInfoDirectDraw)
-};
-
-class wxDisplayImplDirectDraw : public wxDisplayImplWin32Base
-{
-public:
-    wxDisplayImplDirectDraw(size_t n, wxDisplayInfo& info, IDirectDraw2 *pDD2)
-        : wxDisplayImplWin32Base(n, info),
-          m_pDD2(pDD2)
-    {
-        m_pDD2->AddRef();
-    }
-
-    virtual ~wxDisplayImplDirectDraw()
-    {
-        m_pDD2->Release();
-    }
-
-    virtual wxArrayVideoModes GetModes(const wxVideoMode& mode) const;
-    virtual bool ChangeMode(const wxVideoMode& mode);
-
-private:
-    IDirectDraw2 *m_pDD2;
-
-    DECLARE_NO_COPY_CLASS(wxDisplayImplDirectDraw)
-};
-
-class wxDisplayFactoryDirectDraw : public wxDisplayFactoryWin32Base
-{
-public:
-    wxDisplayFactoryDirectDraw();
-    virtual ~wxDisplayFactoryDirectDraw();
-
-    virtual wxDisplayImpl *CreateDisplay(size_t n);
-
-private:
-    // callback used with DirectDrawEnumerateEx()
-    static BOOL WINAPI DDEnumExCallback(GUID *pGuid,
-                                        LPTSTR driverDescription,
-                                        LPTSTR driverName,
-                                        LPVOID lpContext,
-                                        HMONITOR hmon);
-
-    // add a monitor description to m_displays array
-    void AddDisplay(const GUID& guid, HMONITOR hmon, LPTSTR name);
-
-
-    // ddraw.dll
-    wxDynamicLibrary m_dllDDraw;
-
-    // dynamically resolved DirectDrawCreate()
-    DirectDrawCreate_t m_pfnDirectDrawCreate;
-
-    DECLARE_NO_COPY_CLASS(wxDisplayFactoryDirectDraw)
-};
-
-#endif // wxUSE_DIRECTDRAW
-
 
 // ============================================================================
 // common classes implementation
@@ -376,32 +275,18 @@ private:
 
 /* static */ wxDisplayFactory *wxDisplay::CreateFactory()
 {
-    // we have 2 implementations for modern Windows: one using standard Win32
-    // and another using DirectDraw, the choice between them is done using a
-    // system option
-
-#ifdef wxUSE_DIRECTDRAW
-    if ( wxSystemOptions::GetOptionInt(_T("msw.display.directdraw")) )
-    {
-        wxDisplayFactoryDirectDraw *factoryDD = new wxDisplayFactoryDirectDraw;
-        if ( factoryDD->IsOk() )
-            return factoryDD;
-
-        delete factoryDD;
-    }
-#endif // wxUSE_DIRECTDRAW
-
     wxDisplayFactoryMultimon *factoryMM = new wxDisplayFactoryMultimon;
+
     if ( factoryMM->IsOk() )
         return factoryMM;
 
     delete factoryMM;
 
-
     // finally fall back to a stub implementation if all else failed (Win95?)
     return new wxDisplayFactorySingle;
 }
 
+
 // ----------------------------------------------------------------------------
 // wxDisplayInfo
 // ----------------------------------------------------------------------------
@@ -413,7 +298,7 @@ void wxDisplayInfo::Initialize()
         WinStruct<MONITORINFOEX> monInfo;
         if ( !gs_GetMonitorInfo(m_hmon, (LPMONITORINFO)&monInfo) )
         {
-            wxLogLastError(_T("GetMonitorInfo"));
+            wxLogLastError(wxT("GetMonitorInfo"));
             m_flags = 0;
             return;
         }
@@ -447,7 +332,7 @@ wxRect wxDisplayImplWin32Base::GetClientArea() const
 
 wxString wxDisplayImplWin32Base::GetName() const
 {
-    if ( m_info.m_devName.IsEmpty() )
+    if ( m_info.m_devName.empty() )
         m_info.Initialize();
 
     return m_info.m_devName;
@@ -469,14 +354,16 @@ wxVideoMode wxDisplayImplWin32Base::GetCurrentMode() const
     // according to MSDN.  The version of GetName() we implement for Win95
     // returns an empty string.
     const wxString name = GetName();
-    const wxChar * const deviceName = name.empty() ? NULL : name.c_str();
+    const wxChar * const deviceName = name.empty()
+                                          ? (const wxChar*)NULL
+                                          : (const wxChar*)name.c_str();
 
     DEVMODE dm;
     dm.dmSize = sizeof(dm);
     dm.dmDriverExtra = 0;
     if ( !::EnumDisplaySettings(deviceName, ENUM_CURRENT_SETTINGS, &dm) )
     {
-        wxLogLastError(_T("EnumDisplaySettings(ENUM_CURRENT_SETTINGS)"));
+        wxLogLastError(wxT("EnumDisplaySettings(ENUM_CURRENT_SETTINGS)"));
     }
     else
     {
@@ -498,29 +385,17 @@ wxDisplayFactoryWin32Base::wxDisplayFactoryWin32Base()
     {
         ms_supportsMultimon = 0;
 
-        wxDynamicLibrary dllUser32(_T("user32.dll"));
-
-        wxLogNull noLog;
-
-        gs_MonitorFromPoint = (MonitorFromPoint_t)
-            dllUser32.GetSymbol(wxT("MonitorFromPoint"));
-        if ( !gs_MonitorFromPoint )
-            return;
-
-        gs_MonitorFromWindow = (MonitorFromWindow_t)
-            dllUser32.GetSymbol(wxT("MonitorFromWindow"));
-        if ( !gs_MonitorFromWindow )
-            return;
+        wxDynamicLibrary dllDisplay(displayDllName, wxDL_VERBATIM | wxDL_QUIET);
 
-        gs_GetMonitorInfo = (GetMonitorInfo_t)
-            dllUser32.GetSymbolAorW(wxT("GetMonitorInfo"));
-        if ( !gs_GetMonitorInfo )
+        if ( (wxDL_INIT_FUNC(gs_, MonitorFromPoint, dllDisplay)) == NULL ||
+             (wxDL_INIT_FUNC(gs_, MonitorFromWindow, dllDisplay)) == NULL ||
+             (wxDL_INIT_FUNC_AW(gs_, GetMonitorInfo, dllDisplay)) == NULL )
             return;
 
         ms_supportsMultimon = 1;
 
-        // we can safely let dllUser32 go out of scope, the DLL itself will
-        // still remain loaded as all Win32 programs use it
+        // we can safely let dllDisplay go out of scope, the DLL itself will
+        // still remain loaded as all programs link to it statically anyhow
     }
 }
 
@@ -560,7 +435,7 @@ int wxDisplayFactoryWin32Base::GetFromPoint(const wxPoint& pt)
                                                        MONITOR_DEFAULTTONULL));
 }
 
-int wxDisplayFactoryWin32Base::GetFromWindow(wxWindow *window)
+int wxDisplayFactoryWin32Base::GetFromWindow(const wxWindow *window)
 {
     return FindDisplayFromHMONITOR(gs_MonitorFromWindow(GetHwndOf(window),
                                                         MONITOR_DEFAULTTONULL));
@@ -579,16 +454,11 @@ wxDisplayFactoryMultimon::wxDisplayFactoryMultimon()
     if ( !ms_supportsMultimon )
         return;
 
-    // look up EnumDisplayMonitors() which we don't need with DirectDraw
-    // implementation
+    // look up EnumDisplayMonitors()
     EnumDisplayMonitors_t pfnEnumDisplayMonitors;
     {
-        wxLogNull noLog;
-
-        wxDynamicLibrary dllUser32(_T("user32.dll"));
-        pfnEnumDisplayMonitors = (EnumDisplayMonitors_t)
-            dllUser32.GetSymbol(wxT("EnumDisplayMonitors"));
-        if ( !pfnEnumDisplayMonitors )
+        wxDynamicLibrary dllDisplay(displayDllName, wxDL_VERBATIM | wxDL_QUIET);
+        if ( (wxDL_INIT_FUNC(pfn, EnumDisplayMonitors, dllDisplay)) == NULL )
             return;
     }
 
@@ -636,9 +506,9 @@ void wxDisplayFactoryMultimon::AddDisplay(HMONITOR hMonitor, LPRECT lprcMonitor)
 // wxDisplayFactoryMultimon inherited pure virtuals implementation
 // ----------------------------------------------------------------------------
 
-wxDisplayImpl *wxDisplayFactoryMultimon::CreateDisplay(size_t n)
+wxDisplayImpl *wxDisplayFactoryMultimon::CreateDisplay(unsigned n)
 {
-    wxCHECK_MSG( n < m_displays.size(), NULL, _T("invalid display index") );
+    wxCHECK_MSG( n < m_displays.size(), NULL, wxT("invalid display index") );
 
     return new wxDisplayImplMultimon(n, *(m_displays[n]));
 }
@@ -656,7 +526,9 @@ wxDisplayImplMultimon::GetModes(const wxVideoMode& modeMatch) const
     // according to MSDN.  The version of GetName() we implement for Win95
     // returns an empty string.
     const wxString name = GetName();
-    const wxChar * const deviceName = name.empty() ? NULL : name.c_str();
+    const wxChar * const deviceName = name.empty()
+                                            ? (const wxChar*)NULL
+                                            : (const wxChar*)name.c_str();
 
     DEVMODE dm;
     dm.dmSize = sizeof(dm);
@@ -691,26 +563,26 @@ bool wxDisplayImplMultimon::ChangeMode(const wxVideoMode& mode)
     }
     else // change to the given mode
     {
-        wxCHECK_MSG( mode.w && mode.h, false,
-                        _T("at least the width and height must be specified") );
+        wxCHECK_MSG( mode.GetWidth() && mode.GetHeight(), false,
+                        wxT("at least the width and height must be specified") );
 
         wxZeroMemory(dm);
         dm.dmSize = sizeof(dm);
         dm.dmDriverExtra = 0;
         dm.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT;
-        dm.dmPelsWidth = mode.w;
-        dm.dmPelsHeight = mode.h;
+        dm.dmPelsWidth = mode.GetWidth();
+        dm.dmPelsHeight = mode.GetHeight();
 
-        if ( mode.bpp )
+        if ( mode.GetDepth() )
         {
             dm.dmFields |= DM_BITSPERPEL;
-            dm.dmBitsPerPel = mode.bpp;
+            dm.dmBitsPerPel = mode.GetDepth();
         }
 
-        if ( mode.refresh )
+        if ( mode.GetRefresh() )
         {
             dm.dmFields |= DM_DISPLAYFREQUENCY;
-            dm.dmDisplayFrequency = mode.refresh;
+            dm.dmDisplayFrequency = mode.GetRefresh();
         }
 
         pDevMode = &dm;
@@ -730,13 +602,12 @@ bool wxDisplayImplMultimon::ChangeMode(const wxVideoMode& mode)
     static ChangeDisplaySettingsEx_t pfnChangeDisplaySettingsEx = NULL;
     if ( !pfnChangeDisplaySettingsEx )
     {
-        wxDynamicLibrary dllUser32(_T("user32.dll"));
-        if ( dllUser32.IsLoaded() )
+        wxDynamicLibrary dllDisplay(displayDllName, wxDL_VERBATIM | wxDL_QUIET);
+        if ( dllDisplay.IsLoaded() )
         {
-            pfnChangeDisplaySettingsEx = (ChangeDisplaySettingsEx_t)
-                dllUser32.GetSymbolAorW(_T("ChangeDisplaySettingsEx"));
+            wxDL_INIT_FUNC_AW(pfn, ChangeDisplaySettingsEx, dllDisplay);
         }
-        //else: huh, no user32.dll??
+        //else: huh, no this DLL must always be present, what's going on??
 
 #ifndef __WXWINCE__
         if ( !pfnChangeDisplaySettingsEx )
@@ -751,11 +622,11 @@ bool wxDisplayImplMultimon::ChangeMode(const wxVideoMode& mode)
     // do change the mode
     switch ( pfnChangeDisplaySettingsEx
              (
-                GetName(),      // display name
-                pDevMode,       // dev mode or NULL to reset
-                NULL,           // reserved
+                GetName().wx_str(), // display name
+                pDevMode,           // dev mode or NULL to reset
+                NULL,               // reserved
                 flags,
-                NULL            // pointer to video parameters (not used)
+                NULL                // pointer to video parameters (not used)
              ) )
     {
         case DISP_CHANGE_SUCCESSFUL:
@@ -769,7 +640,7 @@ bool wxDisplayImplMultimon::ChangeMode(const wxVideoMode& mode)
                 if (frameTop && frameTop->IsFullScreen())
                 {
                     wxVideoMode current = GetCurrentMode();
-                    frameTop->SetClientSize(current.w, current.h);
+                    frameTop->SetClientSize(current.GetWidth(), current.GetHeight());
                 }
             }
             return true;
@@ -779,249 +650,10 @@ bool wxDisplayImplMultimon::ChangeMode(const wxVideoMode& mode)
             break;
 
         default:
-            wxFAIL_MSG( _T("unexpected ChangeDisplaySettingsEx() return value") );
+            wxFAIL_MSG( wxT("unexpected ChangeDisplaySettingsEx() return value") );
     }
 
     return false;
 }
 
-
-// ============================================================================
-// DirectDraw-based wxDisplay implementation
-// ============================================================================
-
-#if wxUSE_DIRECTDRAW
-
-// ----------------------------------------------------------------------------
-// wxDisplayFactoryDirectDraw initialization
-// ----------------------------------------------------------------------------
-
-wxDisplayFactoryDirectDraw::wxDisplayFactoryDirectDraw()
-{
-    if ( !ms_supportsMultimon )
-        return;
-
-#if wxUSE_LOG
-    // suppress the errors if ddraw.dll is not found, we're prepared to handle
-    // this
-    wxLogNull noLog;
-#endif
-
-    m_dllDDraw.Load(_T("ddraw.dll"));
-
-    if ( !m_dllDDraw.IsLoaded() )
-        return;
-
-    DirectDrawEnumerateEx_t pDDEnumEx = (DirectDrawEnumerateEx_t)
-        m_dllDDraw.GetSymbolAorW(_T("DirectDrawEnumerateEx"));
-    if ( !pDDEnumEx )
-        return;
-
-    // we can't continue without DirectDrawCreate() later, so resolve it right
-    // now and fail the initialization if it's not available
-    m_pfnDirectDrawCreate = (DirectDrawCreate_t)
-        m_dllDDraw.GetSymbol(_T("DirectDrawCreate"));
-    if ( !m_pfnDirectDrawCreate )
-        return;
-
-    if ( (*pDDEnumEx)(DDEnumExCallback,
-                      this,
-                      DDENUM_ATTACHEDSECONDARYDEVICES) != DD_OK )
-    {
-        wxLogLastError(_T("DirectDrawEnumerateEx"));
-    }
-}
-
-wxDisplayFactoryDirectDraw::~wxDisplayFactoryDirectDraw()
-{
-    // we must clear m_displays now, before m_dllDDraw is unloaded as otherwise
-    // calling m_pDD2->Release() later would crash
-    Clear();
-}
-
-// ----------------------------------------------------------------------------
-// callbacks for monitor/modes enumeration stuff
-// ----------------------------------------------------------------------------
-
-BOOL WINAPI
-wxDisplayFactoryDirectDraw::DDEnumExCallback(GUID *pGuid,
-                                             LPTSTR WXUNUSED(driverDescription),
-                                             LPTSTR driverName,
-                                             LPVOID lpContext,
-                                             HMONITOR hmon)
-{
-    if ( pGuid )
-    {
-        wxDisplayFactoryDirectDraw * self =
-            wx_static_cast(wxDisplayFactoryDirectDraw *, lpContext);
-        self->AddDisplay(*pGuid, hmon, driverName);
-    }
-    //else: we're called for the primary monitor, skip it
-
-    // continue the enumeration
-    return TRUE;
-}
-
-// ----------------------------------------------------------------------------
-// wxDisplayFactoryDirectDraw helpers
-// ----------------------------------------------------------------------------
-
-void wxDisplayFactoryDirectDraw::AddDisplay(const GUID& guid,
-                                            HMONITOR hmon,
-                                            LPTSTR name)
-{
-    m_displays.Add(new wxDisplayInfoDirectDraw(guid, hmon, name));
-}
-
-// ----------------------------------------------------------------------------
-// wxDisplayFactoryDirectDraw inherited pure virtuals implementation
-// ----------------------------------------------------------------------------
-
-wxDisplayImpl *wxDisplayFactoryDirectDraw::CreateDisplay(size_t n)
-{
-    wxCHECK_MSG( n < m_displays.size(), NULL, _T("invalid display index") );
-
-    wxDisplayInfoDirectDraw *
-        info = wx_static_cast(wxDisplayInfoDirectDraw *, m_displays[n]);
-
-    if ( !info->m_pDD2 )
-    {
-        IDirectDraw *pDD;
-        GUID guid(info->m_guid);
-        HRESULT hr = (*m_pfnDirectDrawCreate)(&guid, &pDD, NULL);
-
-        if ( FAILED(hr) || !pDD )
-        {
-            // what to do??
-            wxLogApiError(_T("DirectDrawCreate"), hr);
-            return NULL;
-        }
-
-        // we got IDirectDraw, but we need IDirectDraw2
-        hr = pDD->QueryInterface(wxIID_IDirectDraw2, (void **)&info->m_pDD2);
-        pDD->Release();
-
-        if ( FAILED(hr) || !info->m_pDD2 )
-        {
-            wxLogApiError(_T("IDirectDraw::QueryInterface(IDD2)"), hr);
-            return NULL;
-        }
-
-        // NB: m_pDD2 will now be only destroyed when m_displays is destroyed
-        //     which is ok as we don't want to recreate DD objects all the time
-    }
-    //else: DirectDraw object corresponding to our display already exists
-
-    return new wxDisplayImplDirectDraw(n, *info, info->m_pDD2);
-}
-
-// ============================================================================
-// wxDisplayImplDirectDraw
-// ============================================================================
-
-// ----------------------------------------------------------------------------
-// video modes enumeration
-// ----------------------------------------------------------------------------
-
-// tiny helper class used to pass information from GetModes() to
-// wxDDEnumModesCallback
-class wxDDVideoModesAdder
-{
-public:
-    // our Add() method will add modes matching modeMatch to modes array
-    wxDDVideoModesAdder(wxArrayVideoModes& modes, const wxVideoMode& modeMatch)
-        : m_modes(modes),
-          m_modeMatch(modeMatch)
-    {
-    }
-
-    void Add(const wxVideoMode& mode)
-    {
-        if ( mode.Matches(m_modeMatch) )
-            m_modes.Add(mode);
-    }
-
-private:
-    wxArrayVideoModes& m_modes;
-    const wxVideoMode& m_modeMatch;
-
-    DECLARE_NO_COPY_CLASS(wxDDVideoModesAdder)
-};
-
-HRESULT WINAPI wxDDEnumModesCallback(LPDDSURFACEDESC lpDDSurfaceDesc,
-                                     LPVOID lpContext)
-{
-    // we need at least the mode size
-    static const DWORD FLAGS_REQUIRED = DDSD_HEIGHT | DDSD_WIDTH;
-    if ( (lpDDSurfaceDesc->dwFlags & FLAGS_REQUIRED) == FLAGS_REQUIRED )
-    {
-        wxDDVideoModesAdder * const vmodes =
-            wx_static_cast(wxDDVideoModesAdder *, lpContext);
-
-        vmodes->Add(wxVideoMode(lpDDSurfaceDesc->dwWidth,
-                                lpDDSurfaceDesc->dwHeight,
-                                lpDDSurfaceDesc->ddpfPixelFormat.dwRGBBitCount,
-                                lpDDSurfaceDesc->dwRefreshRate));
-    }
-
-    // continue the enumeration
-    return DDENUMRET_OK;
-}
-
-wxArrayVideoModes
-wxDisplayImplDirectDraw::GetModes(const wxVideoMode& modeMatch) const
-{
-    wxArrayVideoModes modes;
-    wxDDVideoModesAdder modesAdder(modes, modeMatch);
-
-    HRESULT hr = m_pDD2->EnumDisplayModes
-                         (
-                            DDEDM_REFRESHRATES,
-                            NULL,                   // all modes
-                            &modesAdder,            // callback parameter
-                            wxDDEnumModesCallback
-                         );
-
-    if ( FAILED(hr) )
-    {
-        wxLogApiError(_T("IDirectDraw::EnumDisplayModes"), hr);
-    }
-
-    return modes;
-}
-
-// ----------------------------------------------------------------------------
-// video mode switching
-// ----------------------------------------------------------------------------
-
-bool wxDisplayImplDirectDraw::ChangeMode(const wxVideoMode& mode)
-{
-    wxWindow *winTop = wxTheApp->GetTopWindow();
-    wxCHECK_MSG( winTop, false, _T("top level window required for DirectX") );
-
-    HRESULT hr = m_pDD2->SetCooperativeLevel
-                         (
-                            GetHwndOf(winTop),
-                            DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN
-                         );
-    if ( FAILED(hr) )
-    {
-        wxLogApiError(_T("IDirectDraw2::SetCooperativeLevel"), hr);
-
-        return false;
-    }
-
-    hr = m_pDD2->SetDisplayMode(mode.w, mode.h, mode.bpp, mode.refresh, 0);
-    if ( FAILED(hr) )
-    {
-        wxLogApiError(_T("IDirectDraw2::SetDisplayMode"), hr);
-
-        return false;
-    }
-
-    return true;
-}
-
-#endif // wxUSE_DIRECTDRAW
-
 #endif // wxUSE_DISPLAY