X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/52778e004988b8a875679efbad5b8423cede1dfb..0a9c5e3564ed35162bb8cab5af62a98405364fb8:/src/msw/display.cpp diff --git a/src/msw/display.cpp b/src/msw/display.cpp index afd5d732ba..69285f9f04 100644 --- a/src/msw/display.cpp +++ b/src/msw/display.cpp @@ -41,14 +41,7 @@ #include "wx/display_impl.h" #include "wx/msw/wrapwin.h" #include "wx/msw/missing.h" - -// define this to use DirectDraw for display mode switching: this is disabled -// by default because ddraw.h is now always available and also it's not really -// clear what are the benefits of using DirectDraw compared to the standard API - -#if !defined(wxUSE_DIRECTDRAW) - #define wxUSE_DIRECTDRAW 0 -#endif +#include "wx/msw/private.h" #ifndef __WXWINCE__ // Older versions of windef.h don't define HMONITOR. Unfortunately, we @@ -77,14 +70,12 @@ #endif #endif // !__WXWINCE__ -#if wxUSE_DIRECTDRAW - #include - - // 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 @@ -96,22 +87,6 @@ typedef LONG (WINAPI *ChangeDisplaySettingsEx_t)(LPCTSTR lpszDeviceName, DWORD dwFlags, LPVOID lParam); -#if 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); @@ -223,7 +198,7 @@ public: 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 @@ -232,8 +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 @@ -249,7 +224,7 @@ protected: wxDisplayInfoArray m_displays; - DECLARE_NO_COPY_CLASS(wxDisplayFactoryWin32Base) + wxDECLARE_NO_COPY_CLASS(wxDisplayFactoryWin32Base); }; // ---------------------------------------------------------------------------- @@ -268,7 +243,7 @@ public: virtual bool ChangeMode(const wxVideoMode& mode); private: - DECLARE_NO_COPY_CLASS(wxDisplayImplMultimon) + wxDECLARE_NO_COPY_CLASS(wxDisplayImplMultimon); }; class wxDisplayFactoryMultimon : public wxDisplayFactoryWin32Base @@ -285,99 +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 -// ---------------------------------------------------------------------------- - -#if 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(unsigned 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(unsigned 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 @@ -389,32 +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 - -#if 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 // ---------------------------------------------------------------------------- @@ -426,7 +298,7 @@ void wxDisplayInfo::Initialize() WinStruct monInfo; if ( !gs_GetMonitorInfo(m_hmon, (LPMONITORINFO)&monInfo) ) { - wxLogLastError(_T("GetMonitorInfo")); + wxLogLastError(wxT("GetMonitorInfo")); m_flags = 0; return; } @@ -482,14 +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 { @@ -511,29 +385,17 @@ wxDisplayFactoryWin32Base::wxDisplayFactoryWin32Base() { ms_supportsMultimon = 0; - wxDynamicLibrary dllUser32(_T("user32.dll")); + wxDynamicLibrary dllDisplay(displayDllName, wxDL_VERBATIM | wxDL_QUIET); - 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; - - 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 } } @@ -573,7 +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)); @@ -592,16 +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; } @@ -651,7 +508,7 @@ void wxDisplayFactoryMultimon::AddDisplay(HMONITOR hMonitor, LPRECT lprcMonitor) 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])); } @@ -669,7 +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); @@ -704,26 +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; @@ -743,13 +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 ) @@ -764,11 +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: @@ -782,7 +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; @@ -792,249 +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(unsigned 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