diff options
Diffstat (limited to 'distrib/sdl-1.2.15/src/video/windib/SDL_dibvideo.c')
| -rw-r--r-- | distrib/sdl-1.2.15/src/video/windib/SDL_dibvideo.c | 1499 |
1 files changed, 1499 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/video/windib/SDL_dibvideo.c b/distrib/sdl-1.2.15/src/video/windib/SDL_dibvideo.c new file mode 100644 index 0000000..9f1ffff --- /dev/null +++ b/distrib/sdl-1.2.15/src/video/windib/SDL_dibvideo.c @@ -0,0 +1,1499 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2012 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Sam Lantinga + slouken@libsdl.org +*/ +#include "SDL_config.h" + +#define WIN32_LEAN_AND_MEAN +#include <windows.h> + +/* Not yet in the mingw32 cross-compile headers */ +#ifndef CDS_FULLSCREEN +#define CDS_FULLSCREEN 4 +#endif + +#include "SDL_syswm.h" +#include "../SDL_sysvideo.h" +#include "../SDL_pixels_c.h" +#include "../../events/SDL_sysevents.h" +#include "../../events/SDL_events_c.h" +#include "SDL_gapidibvideo.h" +#include "SDL_dibvideo.h" +#include "../wincommon/SDL_syswm_c.h" +#include "../wincommon/SDL_sysmouse_c.h" +#include "SDL_dibevents_c.h" +#include "../wincommon/SDL_wingl_c.h" + +#ifdef _WIN32_WCE + +#ifndef DM_DISPLAYORIENTATION +#define DM_DISPLAYORIENTATION 0x00800000L +#endif +#ifndef DM_DISPLAYQUERYORIENTATION +#define DM_DISPLAYQUERYORIENTATION 0x01000000L +#endif +#ifndef DMDO_0 +#define DMDO_0 0 +#endif +#ifndef DMDO_90 +#define DMDO_90 1 +#endif +#ifndef DMDO_180 +#define DMDO_180 2 +#endif +#ifndef DMDO_270 +#define DMDO_270 4 +#endif + +#define NO_GETDIBITS +#define NO_GAMMA_SUPPORT + #if _WIN32_WCE < 420 + #define NO_CHANGEDISPLAYSETTINGS + #else + #define ChangeDisplaySettings(lpDevMode, dwFlags) ChangeDisplaySettingsEx(NULL, (lpDevMode), 0, (dwFlags), 0) + #endif +#endif +#ifndef WS_MAXIMIZE +#define WS_MAXIMIZE 0 +#endif +#ifndef WS_THICKFRAME +#define WS_THICKFRAME 0 +#endif +#ifndef SWP_NOCOPYBITS +#define SWP_NOCOPYBITS 0 +#endif +#ifndef PC_NOCOLLAPSE +#define PC_NOCOLLAPSE 0 +#endif + +#ifdef _WIN32_WCE +// defined and used in SDL_sysevents.c +extern HINSTANCE aygshell; +#endif + +/* Initialization/Query functions */ +static int DIB_VideoInit(_THIS, SDL_PixelFormat *vformat); +static SDL_Rect **DIB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); +SDL_Surface *DIB_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); +static int DIB_SetColors(_THIS, int firstcolor, int ncolors, + SDL_Color *colors); +static void DIB_CheckGamma(_THIS); +void DIB_SwapGamma(_THIS); +void DIB_QuitGamma(_THIS); +int DIB_SetGammaRamp(_THIS, Uint16 *ramp); +int DIB_GetGammaRamp(_THIS, Uint16 *ramp); +static void DIB_VideoQuit(_THIS); + +/* Hardware surface functions */ +static int DIB_AllocHWSurface(_THIS, SDL_Surface *surface); +static int DIB_LockHWSurface(_THIS, SDL_Surface *surface); +static void DIB_UnlockHWSurface(_THIS, SDL_Surface *surface); +static void DIB_FreeHWSurface(_THIS, SDL_Surface *surface); + +/* Windows message handling functions */ +static void DIB_GrabStaticColors(HWND window); +static void DIB_ReleaseStaticColors(HWND window); +static void DIB_Activate(_THIS, BOOL active, BOOL minimized); +static void DIB_RealizePalette(_THIS); +static void DIB_PaletteChanged(_THIS, HWND window); +static void DIB_WinPAINT(_THIS, HDC hdc); + +static void DIB_GetWinPos(_THIS, int* px, int *py); +static void DIB_SetWinPos(_THIS, int x, int y); +static int DIB_IsWinVisible(_THIS, int recenter); +static int DIB_GetMonitorDPI(_THIS, int* xDpi, int *yDpi); +static int DIB_GetMonitorRect(_THIS, SDL_Rect* rect); + +/* helper fn */ +static int DIB_SussScreenDepth(); + +/* DIB driver bootstrap functions */ + +static int DIB_Available(void) +{ + return(1); +} + +static void DIB_DeleteDevice(SDL_VideoDevice *device) +{ + if ( device ) { + if ( device->hidden ) { + if ( device->hidden->dibInfo ) { + SDL_free( device->hidden->dibInfo ); + } + SDL_free(device->hidden); + } + if ( device->gl_data ) { + SDL_free(device->gl_data); + } + SDL_free(device); + } +} + +static SDL_VideoDevice *DIB_CreateDevice(int devindex) +{ + SDL_VideoDevice *device; + + /* Initialize all variables that we clean on shutdown */ + device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice)); + if ( device ) { + SDL_memset(device, 0, (sizeof *device)); + device->hidden = (struct SDL_PrivateVideoData *) + SDL_malloc((sizeof *device->hidden)); + if(device->hidden){ + SDL_memset(device->hidden, 0, (sizeof *device->hidden)); + device->hidden->dibInfo = (DibInfo *)SDL_malloc((sizeof(DibInfo))); + if(device->hidden->dibInfo == NULL) + { + SDL_free(device->hidden); + device->hidden = NULL; + } + } + + device->gl_data = (struct SDL_PrivateGLData *) + SDL_malloc((sizeof *device->gl_data)); + } + if ( (device == NULL) || (device->hidden == NULL) || + (device->gl_data == NULL) ) { + SDL_OutOfMemory(); + DIB_DeleteDevice(device); + return(NULL); + } + SDL_memset(device->hidden->dibInfo, 0, (sizeof *device->hidden->dibInfo)); + SDL_memset(device->gl_data, 0, (sizeof *device->gl_data)); + + /* Set the function pointers */ + device->VideoInit = DIB_VideoInit; + device->ListModes = DIB_ListModes; + device->SetVideoMode = DIB_SetVideoMode; + device->UpdateMouse = WIN_UpdateMouse; + device->SetColors = DIB_SetColors; + device->UpdateRects = NULL; + device->VideoQuit = DIB_VideoQuit; + device->AllocHWSurface = DIB_AllocHWSurface; + device->CheckHWBlit = NULL; + device->FillHWRect = NULL; + device->SetHWColorKey = NULL; + device->SetHWAlpha = NULL; + device->LockHWSurface = DIB_LockHWSurface; + device->UnlockHWSurface = DIB_UnlockHWSurface; + device->FlipHWSurface = NULL; + device->FreeHWSurface = DIB_FreeHWSurface; + device->SetGammaRamp = DIB_SetGammaRamp; + device->GetGammaRamp = DIB_GetGammaRamp; +#if SDL_VIDEO_OPENGL + device->GL_LoadLibrary = WIN_GL_LoadLibrary; + device->GL_GetProcAddress = WIN_GL_GetProcAddress; + device->GL_GetAttribute = WIN_GL_GetAttribute; + device->GL_MakeCurrent = WIN_GL_MakeCurrent; + device->GL_SwapBuffers = WIN_GL_SwapBuffers; +#endif + device->SetCaption = WIN_SetWMCaption; + device->SetIcon = WIN_SetWMIcon; + device->IconifyWindow = WIN_IconifyWindow; + device->GrabInput = WIN_GrabInput; + device->GetWMInfo = WIN_GetWMInfo; + device->FreeWMCursor = WIN_FreeWMCursor; + device->CreateWMCursor = WIN_CreateWMCursor; + device->ShowWMCursor = WIN_ShowWMCursor; + device->WarpWMCursor = WIN_WarpWMCursor; + device->CheckMouseMode = WIN_CheckMouseMode; + device->InitOSKeymap = DIB_InitOSKeymap; + device->PumpEvents = DIB_PumpEvents; + + device->GetWindowPos = DIB_GetWinPos; + device->SetWindowPos = DIB_SetWinPos; + device->IsWindowVisible = DIB_IsWinVisible; + device->GetMonitorDPI = DIB_GetMonitorDPI; + device->GetMonitorRect = DIB_GetMonitorRect; + + /* Set up the windows message handling functions */ + WIN_Activate = DIB_Activate; + WIN_RealizePalette = DIB_RealizePalette; + WIN_PaletteChanged = DIB_PaletteChanged; + WIN_WinPAINT = DIB_WinPAINT; + HandleMessage = DIB_HandleMessage; + + device->free = DIB_DeleteDevice; + + /* We're finally ready */ + return device; +} + +VideoBootStrap WINDIB_bootstrap = { + "windib", "Win95/98/NT/2000/CE GDI", + DIB_Available, DIB_CreateDevice +}; + +static int cmpmodes(const void *va, const void *vb) +{ + SDL_Rect *a = *(SDL_Rect **)va; + SDL_Rect *b = *(SDL_Rect **)vb; + if ( a->w == b->w ) + return b->h - a->h; + else + return b->w - a->w; +} + +static int DIB_AddMode(_THIS, int bpp, int w, int h) +{ + SDL_Rect *mode; + int i, index; + int next_mode; + + /* Check to see if we already have this mode */ + if ( bpp < 8 || bpp > 32 ) { /* Not supported */ + return(0); + } + index = ((bpp+7)/8)-1; + for ( i=0; i<SDL_nummodes[index]; ++i ) { + mode = SDL_modelist[index][i]; + if ( (mode->w == w) && (mode->h == h) ) { + return(0); + } + } + + /* Set up the new video mode rectangle */ + mode = (SDL_Rect *)SDL_malloc(sizeof *mode); + if ( mode == NULL ) { + SDL_OutOfMemory(); + return(-1); + } + mode->x = 0; + mode->y = 0; + mode->w = w; + mode->h = h; + + /* Allocate the new list of modes, and fill in the new mode */ + next_mode = SDL_nummodes[index]; + SDL_modelist[index] = (SDL_Rect **) + SDL_realloc(SDL_modelist[index], (1+next_mode+1)*sizeof(SDL_Rect *)); + if ( SDL_modelist[index] == NULL ) { + SDL_OutOfMemory(); + SDL_nummodes[index] = 0; + SDL_free(mode); + return(-1); + } + SDL_modelist[index][next_mode] = mode; + SDL_modelist[index][next_mode+1] = NULL; + SDL_nummodes[index]++; + + return(0); +} + +static void DIB_CreatePalette(_THIS, int bpp) +{ +/* RJR: March 28, 2000 + moved palette creation here from "DIB_VideoInit" */ + + LOGPALETTE *palette; + HDC hdc; + int ncolors; + + ncolors = (1 << bpp); + palette = (LOGPALETTE *)SDL_malloc(sizeof(*palette)+ + ncolors*sizeof(PALETTEENTRY)); + palette->palVersion = 0x300; + palette->palNumEntries = ncolors; + hdc = GetDC(SDL_Window); + GetSystemPaletteEntries(hdc, 0, ncolors, palette->palPalEntry); + ReleaseDC(SDL_Window, hdc); + screen_pal = CreatePalette(palette); + screen_logpal = palette; +} + +int DIB_VideoInit(_THIS, SDL_PixelFormat *vformat) +{ + const char *env = NULL; +#ifndef NO_CHANGEDISPLAYSETTINGS + int i; + DEVMODE settings; +#endif + + /* Create the window */ + if ( DIB_CreateWindow(this) < 0 ) { + return(-1); + } + +#if !SDL_AUDIO_DISABLED + DX5_SoundFocus(SDL_Window); +#endif + + /* Determine the screen depth */ + vformat->BitsPerPixel = DIB_SussScreenDepth(); + switch (vformat->BitsPerPixel) { + case 15: + vformat->Rmask = 0x00007c00; + vformat->Gmask = 0x000003e0; + vformat->Bmask = 0x0000001f; + vformat->BitsPerPixel = 16; + break; + case 16: + vformat->Rmask = 0x0000f800; + vformat->Gmask = 0x000007e0; + vformat->Bmask = 0x0000001f; + break; + case 24: + case 32: + /* GDI defined as 8-8-8 */ + vformat->Rmask = 0x00ff0000; + vformat->Gmask = 0x0000ff00; + vformat->Bmask = 0x000000ff; + break; + default: + break; + } + + /* See if gamma is supported on this screen */ + DIB_CheckGamma(this); + +#ifndef NO_CHANGEDISPLAYSETTINGS + + settings.dmSize = sizeof(DEVMODE); + settings.dmDriverExtra = 0; +#ifdef _WIN32_WCE + settings.dmFields = DM_DISPLAYQUERYORIENTATION; + this->hidden->supportRotation = ChangeDisplaySettingsEx(NULL, &settings, NULL, CDS_TEST, NULL) == DISP_CHANGE_SUCCESSFUL; +#endif + /* Query for the desktop resolution */ + SDL_desktop_mode.dmSize = sizeof(SDL_desktop_mode); + SDL_desktop_mode.dmDriverExtra = 0; + EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &SDL_desktop_mode); + this->info.current_w = SDL_desktop_mode.dmPelsWidth; + this->info.current_h = SDL_desktop_mode.dmPelsHeight; + + /* Query for the list of available video modes */ + for ( i=0; EnumDisplaySettings(NULL, i, &settings); ++i ) { + DIB_AddMode(this, settings.dmBitsPerPel, + settings.dmPelsWidth, settings.dmPelsHeight); +#ifdef _WIN32_WCE + if( this->hidden->supportRotation ) + DIB_AddMode(this, settings.dmBitsPerPel, + settings.dmPelsHeight, settings.dmPelsWidth); +#endif + } + /* Sort the mode lists */ + for ( i=0; i<NUM_MODELISTS; ++i ) { + if ( SDL_nummodes[i] > 0 ) { + SDL_qsort(SDL_modelist[i], SDL_nummodes[i], sizeof *SDL_modelist[i], cmpmodes); + } + } +#else + // WinCE and fullscreen mode: + // We use only vformat->BitsPerPixel that allow SDL to + // emulate other bpp (8, 32) and use triple buffer, + // because SDL surface conversion is much faster than the WinCE one. + // Although it should be tested on devices with graphics accelerator. + + DIB_AddMode(this, vformat->BitsPerPixel, + GetDeviceCaps(GetDC(NULL), HORZRES), + GetDeviceCaps(GetDC(NULL), VERTRES)); + +#endif /* !NO_CHANGEDISPLAYSETTINGS */ + + /* Grab an identity palette if we are in a palettized mode */ + if ( vformat->BitsPerPixel <= 8 ) { + /* RJR: March 28, 2000 + moved palette creation to "DIB_CreatePalette" */ + DIB_CreatePalette(this, vformat->BitsPerPixel); + } + + /* Fill in some window manager capabilities */ + this->info.wm_available = 1; + +#ifdef _WIN32_WCE + this->hidden->origRotation = -1; +#endif + + /* Allow environment override of screensaver disable. */ + env = SDL_getenv("SDL_VIDEO_ALLOW_SCREENSAVER"); + if ( env ) { + allow_screensaver = SDL_atoi(env); + } else { +#ifdef SDL_VIDEO_DISABLE_SCREENSAVER + allow_screensaver = 0; +#else + allow_screensaver = 1; +#endif + } + + /* We're done! */ + return(0); +} + +/* We support any format at any dimension */ +SDL_Rect **DIB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) +{ + if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { + return(SDL_modelist[((format->BitsPerPixel+7)/8)-1]); + } else { + return((SDL_Rect **)-1); + } +} + + +/* + Helper fn to work out which screen depth windows is currently using. + 15 bit mode is considered 555 format, 16 bit is 565. + returns 0 for unknown mode. + (Derived from code in sept 1999 Windows Developer Journal + http://www.wdj.com/code/archive.html) +*/ +static int DIB_SussScreenDepth() +{ +#ifdef NO_GETDIBITS + int depth; + HDC hdc; + + hdc = GetDC(SDL_Window); + depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL); + ReleaseDC(SDL_Window, hdc); + return(depth); +#else + int depth; + int dib_size; + LPBITMAPINFOHEADER dib_hdr; + HDC hdc; + HBITMAP hbm; + + /* Allocate enough space for a DIB header plus palette (for + * 8-bit modes) or bitfields (for 16- and 32-bit modes) + */ + dib_size = sizeof(BITMAPINFOHEADER) + 256 * sizeof (RGBQUAD); + dib_hdr = (LPBITMAPINFOHEADER) SDL_malloc(dib_size); + SDL_memset(dib_hdr, 0, dib_size); + dib_hdr->biSize = sizeof(BITMAPINFOHEADER); + + /* Get a device-dependent bitmap that's compatible with the + screen. + */ + hdc = GetDC(NULL); + hbm = CreateCompatibleBitmap( hdc, 1, 1 ); + + /* Convert the DDB to a DIB. We need to call GetDIBits twice: + * the first call just fills in the BITMAPINFOHEADER; the + * second fills in the bitfields or palette. + */ + GetDIBits(hdc, hbm, 0, 1, NULL, (LPBITMAPINFO) dib_hdr, DIB_RGB_COLORS); + GetDIBits(hdc, hbm, 0, 1, NULL, (LPBITMAPINFO) dib_hdr, DIB_RGB_COLORS); + DeleteObject(hbm); + ReleaseDC(NULL, hdc); + + depth = 0; + switch( dib_hdr->biBitCount ) + { + case 8: depth = 8; break; + case 24: depth = 24; break; + case 32: depth = 32; break; + case 16: + if( dib_hdr->biCompression == BI_BITFIELDS ) { + /* check the red mask */ + switch( ((DWORD*)((char*)dib_hdr + dib_hdr->biSize))[0] ) { + case 0xf800: depth = 16; break; /* 565 */ + case 0x7c00: depth = 15; break; /* 555 */ + } + } + } + SDL_free(dib_hdr); + return depth; +#endif /* NO_GETDIBITS */ +} + + +/* Various screen update functions available */ +static void DIB_NormalUpdate(_THIS, int numrects, SDL_Rect *rects); + +static void DIB_ResizeWindow(_THIS, int width, int height, int prev_width, int prev_height, Uint32 flags) +{ + RECT bounds; + int x, y; + +#ifndef _WIN32_WCE + /* Resize the window */ + if ( !SDL_windowid && !IsZoomed(SDL_Window) ) { +#else + if ( !SDL_windowid ) { +#endif + HWND top; + UINT swp_flags; + const char *window = NULL; + const char *center = NULL; + + if ( width != prev_width || height != prev_height ) { + window = SDL_getenv("SDL_VIDEO_WINDOW_POS"); + center = SDL_getenv("SDL_VIDEO_CENTERED"); + if ( window ) { + if ( SDL_sscanf(window, "%d,%d", &x, &y) == 2 ) { + SDL_windowX = x; + SDL_windowY = y; + } + if ( SDL_strcmp(window, "center") == 0 ) { + center = window; + } + } + } + swp_flags = (SWP_NOCOPYBITS | SWP_SHOWWINDOW); + + bounds.left = SDL_windowX; + bounds.top = SDL_windowY; + bounds.right = SDL_windowX+width; + bounds.bottom = SDL_windowY+height; +#ifndef _WIN32_WCE + AdjustWindowRectEx(&bounds, GetWindowLong(SDL_Window, GWL_STYLE), (GetMenu(SDL_Window) != NULL), 0); +#else + // The bMenu parameter must be FALSE; menu bars are not supported + AdjustWindowRectEx(&bounds, GetWindowLong(SDL_Window, GWL_STYLE), 0, 0); +#endif + width = bounds.right-bounds.left; + height = bounds.bottom-bounds.top; + if ( (flags & SDL_FULLSCREEN) ) { + x = (GetSystemMetrics(SM_CXSCREEN)-width)/2; + y = (GetSystemMetrics(SM_CYSCREEN)-height)/2; + } else if ( center ) { + x = (GetSystemMetrics(SM_CXSCREEN)-width)/2; + y = (GetSystemMetrics(SM_CYSCREEN)-height)/2; + } else if ( SDL_windowX || SDL_windowY || window ) { + x = bounds.left; + y = bounds.top; + } else { + x = y = -1; + swp_flags |= SWP_NOMOVE; + } + if ( flags & SDL_FULLSCREEN ) { + top = HWND_TOPMOST; + } else { + top = HWND_NOTOPMOST; + } + SetWindowPos(SDL_Window, top, x, y, width, height, swp_flags); + if ( !(flags & SDL_FULLSCREEN) ) { + SDL_windowX = SDL_bounds.left; + SDL_windowY = SDL_bounds.top; + } + if ( GetParent(SDL_Window) == NULL ) { + SetForegroundWindow(SDL_Window); + } + } +} + +SDL_Surface *DIB_SetVideoMode(_THIS, SDL_Surface *current, + int width, int height, int bpp, Uint32 flags) +{ + SDL_Surface *video; + int prev_w, prev_h; + Uint32 prev_flags; + DWORD style; + const DWORD directstyle = + (WS_POPUP); + const DWORD windowstyle = + (WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_MINIMIZEBOX); + const DWORD resizestyle = + (WS_THICKFRAME|WS_MAXIMIZEBOX); + int binfo_size; + BITMAPINFO *binfo; + HDC hdc; + Uint32 Rmask, Gmask, Bmask; + + prev_w = current->w; + prev_h = current->h; + prev_flags = current->flags; + + /* + * Special case for OpenGL windows...since the app needs to call + * SDL_SetVideoMode() in response to resize events to continue to + * function, but WGL handles the GL context details behind the scenes, + * there's no sense in tearing the context down just to rebuild it + * to what it already was...tearing it down sacrifices your GL state + * and uploaded textures. So if we're requesting the same video mode + * attributes just resize the window and return immediately. + */ + if ( SDL_Window && + ((current->flags & ~SDL_ANYFORMAT) == (flags & ~SDL_ANYFORMAT)) && + (current->format->BitsPerPixel == bpp) && + (flags & SDL_OPENGL) && + !(flags & SDL_FULLSCREEN) ) { /* probably not safe for fs */ + current->w = width; + current->h = height; + SDL_resizing = 1; + DIB_ResizeWindow(this, width, height, prev_w, prev_h, flags); + SDL_resizing = 0; + return current; + } + + /* Clean up any GL context that may be hanging around */ + if ( current->flags & SDL_OPENGL ) { + WIN_GL_ShutDown(this); + } + SDL_resizing = 1; + + /* Recalculate the bitmasks if necessary */ + if ( bpp == current->format->BitsPerPixel ) { + video = current; + } else { + switch (bpp) { + case 15: + case 16: + if ( DIB_SussScreenDepth() == 15 ) { + /* 5-5-5 */ + Rmask = 0x00007c00; + Gmask = 0x000003e0; + Bmask = 0x0000001f; + } else { + /* 5-6-5 */ + Rmask = 0x0000f800; + Gmask = 0x000007e0; + Bmask = 0x0000001f; + } + break; + case 24: + case 32: + /* GDI defined as 8-8-8 */ + Rmask = 0x00ff0000; + Gmask = 0x0000ff00; + Bmask = 0x000000ff; + break; + default: + Rmask = 0x00000000; + Gmask = 0x00000000; + Bmask = 0x00000000; + break; + } + video = SDL_CreateRGBSurface(SDL_SWSURFACE, + 0, 0, bpp, Rmask, Gmask, Bmask, 0); + if ( video == NULL ) { + SDL_OutOfMemory(); + return(NULL); + } + } + + /* Fill in part of the video surface */ + video->flags = 0; /* Clear flags */ + video->w = width; + video->h = height; + video->pitch = SDL_CalculatePitch(video); + + /* Small fix for WinCE/Win32 - when activating window + SDL_VideoSurface is equal to zero, so activating code + is not called properly for fullscreen windows because + macros WINDIB_FULLSCREEN uses SDL_VideoSurface + */ + SDL_VideoSurface = video; + +#if defined(_WIN32_WCE) + if ( flags & SDL_FULLSCREEN ) + video->flags |= SDL_FULLSCREEN; +#endif + +#ifndef NO_CHANGEDISPLAYSETTINGS + /* Set fullscreen mode if appropriate */ + if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { + DEVMODE settings; + BOOL changed; + + SDL_memset(&settings, 0, sizeof(DEVMODE)); + settings.dmSize = sizeof(DEVMODE); + +#ifdef _WIN32_WCE + // try to rotate screen to fit requested resolution + if( this->hidden->supportRotation ) + { + DWORD rotation; + + // ask current mode + settings.dmFields = DM_DISPLAYORIENTATION; + ChangeDisplaySettingsEx(NULL, &settings, NULL, CDS_TEST, NULL); + rotation = settings.dmDisplayOrientation; + + if( (width > GetDeviceCaps(GetDC(NULL), HORZRES)) + && (height < GetDeviceCaps(GetDC(NULL), VERTRES))) + { + switch( rotation ) + { + case DMDO_0: + settings.dmDisplayOrientation = DMDO_90; + break; + case DMDO_270: + settings.dmDisplayOrientation = DMDO_180; + break; + } + if( settings.dmDisplayOrientation != rotation ) + { + // go to landscape + this->hidden->origRotation = rotation; + ChangeDisplaySettingsEx(NULL,&settings,NULL,CDS_RESET,NULL); + } + } + if( (width < GetDeviceCaps(GetDC(NULL), HORZRES)) + && (height > GetDeviceCaps(GetDC(NULL), VERTRES))) + { + switch( rotation ) + { + case DMDO_90: + settings.dmDisplayOrientation = DMDO_0; + break; + case DMDO_180: + settings.dmDisplayOrientation = DMDO_270; + break; + } + if( settings.dmDisplayOrientation != rotation ) + { + // go to portrait + this->hidden->origRotation = rotation; + ChangeDisplaySettingsEx(NULL,&settings,NULL,CDS_RESET,NULL); + } + } + + } +#endif + +#ifndef _WIN32_WCE + settings.dmBitsPerPel = video->format->BitsPerPixel; + settings.dmPelsWidth = width; + settings.dmPelsHeight = height; + settings.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL; + if ( width <= (int)SDL_desktop_mode.dmPelsWidth && + height <= (int)SDL_desktop_mode.dmPelsHeight ) { + settings.dmDisplayFrequency = SDL_desktop_mode.dmDisplayFrequency; + settings.dmFields |= DM_DISPLAYFREQUENCY; + } + changed = (ChangeDisplaySettings(&settings, CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL); + if ( ! changed && (settings.dmFields & DM_DISPLAYFREQUENCY) ) { + settings.dmFields &= ~DM_DISPLAYFREQUENCY; + changed = (ChangeDisplaySettings(&settings, CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL); + } +#else + changed = 1; +#endif + if ( changed ) { + video->flags |= SDL_FULLSCREEN; + SDL_fullscreen_mode = settings; + } + + } +#endif /* !NO_CHANGEDISPLAYSETTINGS */ + + /* Reset the palette and create a new one if necessary */ + if ( grab_palette ) { + DIB_ReleaseStaticColors(SDL_Window); + grab_palette = FALSE; + } + if ( screen_pal != NULL ) { + /* RJR: March 28, 2000 + delete identity palette if switching from a palettized mode */ + DeleteObject(screen_pal); + screen_pal = NULL; + } + if ( screen_logpal != NULL ) { + SDL_free(screen_logpal); + screen_logpal = NULL; + } + + if ( bpp <= 8 ) + { + /* RJR: March 28, 2000 + create identity palette switching to a palettized mode */ + DIB_CreatePalette(this, bpp); + } + + style = GetWindowLong(SDL_Window, GWL_STYLE); + style &= ~(resizestyle|WS_MAXIMIZE); + if ( (video->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { + style &= ~windowstyle; + style |= directstyle; + } else { +#ifndef NO_CHANGEDISPLAYSETTINGS + if ( (prev_flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { + ChangeDisplaySettings(NULL, 0); + } +#endif + if ( flags & SDL_NOFRAME ) { + style &= ~windowstyle; + style |= directstyle; + video->flags |= SDL_NOFRAME; + } else { + style &= ~directstyle; + style |= windowstyle; + if ( flags & SDL_RESIZABLE ) { + style |= resizestyle; + video->flags |= SDL_RESIZABLE; + } + } +#if WS_MAXIMIZE && !defined(_WIN32_WCE) + if (IsZoomed(SDL_Window)) style |= WS_MAXIMIZE; +#endif + } + + /* DJM: Don't piss of anyone who has setup his own window */ + if ( !SDL_windowid ) + SetWindowLong(SDL_Window, GWL_STYLE, style); + + /* Delete the old bitmap if necessary */ + if ( screen_bmp != NULL ) { + DeleteObject(screen_bmp); + } + if ( ! (flags & SDL_OPENGL) ) { + BOOL is16bitmode = (video->format->BytesPerPixel == 2); + + /* Suss out the bitmap info header */ + binfo_size = sizeof(*binfo); + if( is16bitmode ) { + /* 16bit modes, palette area used for rgb bitmasks */ + binfo_size += 3*sizeof(DWORD); + } else if ( video->format->palette ) { + binfo_size += video->format->palette->ncolors * + sizeof(RGBQUAD); + } + binfo = (BITMAPINFO *)SDL_malloc(binfo_size); + if ( ! binfo ) { + if ( video != current ) { + SDL_FreeSurface(video); + } + SDL_OutOfMemory(); + return(NULL); + } + + binfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); + binfo->bmiHeader.biWidth = video->w; + binfo->bmiHeader.biHeight = -video->h; /* -ve for topdown bitmap */ + binfo->bmiHeader.biPlanes = 1; + binfo->bmiHeader.biSizeImage = video->h * video->pitch; + binfo->bmiHeader.biXPelsPerMeter = 0; + binfo->bmiHeader.biYPelsPerMeter = 0; + binfo->bmiHeader.biClrUsed = 0; + binfo->bmiHeader.biClrImportant = 0; + binfo->bmiHeader.biBitCount = video->format->BitsPerPixel; + + if ( is16bitmode ) { + /* BI_BITFIELDS tells CreateDIBSection about the rgb masks in the palette */ + binfo->bmiHeader.biCompression = BI_BITFIELDS; + ((Uint32*)binfo->bmiColors)[0] = video->format->Rmask; + ((Uint32*)binfo->bmiColors)[1] = video->format->Gmask; + ((Uint32*)binfo->bmiColors)[2] = video->format->Bmask; + } else { + binfo->bmiHeader.biCompression = BI_RGB; /* BI_BITFIELDS for 565 vs 555 */ + if ( video->format->palette ) { + SDL_memset(binfo->bmiColors, 0, + video->format->palette->ncolors*sizeof(RGBQUAD)); + } + } + + /* Create the offscreen bitmap buffer */ + hdc = GetDC(SDL_Window); + screen_bmp = CreateDIBSection(hdc, binfo, DIB_RGB_COLORS, + (void **)(&video->pixels), NULL, 0); + ReleaseDC(SDL_Window, hdc); + SDL_free(binfo); + if ( screen_bmp == NULL ) { + if ( video != current ) { + SDL_FreeSurface(video); + } + SDL_SetError("Couldn't create DIB section"); + return(NULL); + } + this->UpdateRects = DIB_NormalUpdate; + + /* Set video surface flags */ + if ( screen_pal && (flags & (SDL_FULLSCREEN|SDL_HWPALETTE)) ) { + grab_palette = TRUE; + } + if ( screen_pal ) { + /* BitBlt() maps colors for us */ + video->flags |= SDL_HWPALETTE; + } + } + DIB_ResizeWindow(this, width, height, prev_w, prev_h, flags); + SDL_resizing = 0; + + /* Set up for OpenGL */ + if ( flags & SDL_OPENGL ) { + if ( WIN_GL_SetupWindow(this) < 0 ) { + return(NULL); + } + video->flags |= SDL_OPENGL; + } + + /* JC 14 Mar 2006 + Flush the message loop or this can cause big problems later + Especially if the user decides to use dialog boxes or assert()! + */ + WIN_FlushMessageQueue(); + + /* We're live! */ + return(video); +} + +/* We don't actually allow hardware surfaces in the DIB driver */ +static int DIB_AllocHWSurface(_THIS, SDL_Surface *surface) +{ + return(-1); +} +static void DIB_FreeHWSurface(_THIS, SDL_Surface *surface) +{ + return; +} +static int DIB_LockHWSurface(_THIS, SDL_Surface *surface) +{ + return(0); +} +static void DIB_UnlockHWSurface(_THIS, SDL_Surface *surface) +{ + return; +} + +static void DIB_NormalUpdate(_THIS, int numrects, SDL_Rect *rects) +{ + HDC hdc, mdc; + int i; + + hdc = GetDC(SDL_Window); + if ( screen_pal ) { + SelectPalette(hdc, screen_pal, FALSE); + } + mdc = CreateCompatibleDC(hdc); + SelectObject(mdc, screen_bmp); + for ( i=0; i<numrects; ++i ) { + BitBlt(hdc, rects[i].x, rects[i].y, rects[i].w, rects[i].h, + mdc, rects[i].x, rects[i].y, SRCCOPY); + } + DeleteDC(mdc); + ReleaseDC(SDL_Window, hdc); +} + +static int FindPaletteIndex(LOGPALETTE *pal, BYTE r, BYTE g, BYTE b) +{ + PALETTEENTRY *entry; + int i; + int nentries = pal->palNumEntries; + + for ( i = 0; i < nentries; ++i ) { + entry = &pal->palPalEntry[i]; + if ( entry->peRed == r && entry->peGreen == g && entry->peBlue == b ) { + return i; + } + } + return -1; +} + +static BOOL CheckPaletteEntry(LOGPALETTE *pal, int index, BYTE r, BYTE g, BYTE b) +{ + PALETTEENTRY *entry; + BOOL moved = 0; + + entry = &pal->palPalEntry[index]; + if ( entry->peRed != r || entry->peGreen != g || entry->peBlue != b ) { + int found = FindPaletteIndex(pal, r, g, b); + if ( found >= 0 ) { + pal->palPalEntry[found] = *entry; + } + entry->peRed = r; + entry->peGreen = g; + entry->peBlue = b; + moved = 1; + } + entry->peFlags = 0; + + return moved; +} + +int DIB_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) +{ +#if !defined(_WIN32_WCE) || (_WIN32_WCE >= 400) + HDC hdc, mdc; + RGBQUAD *pal; +#else + HDC hdc; +#endif + int i; + int moved_entries = 0; + + /* Update the display palette */ + hdc = GetDC(SDL_Window); + if ( screen_pal ) { + PALETTEENTRY *entry; + + for ( i=0; i<ncolors; ++i ) { + entry = &screen_logpal->palPalEntry[firstcolor+i]; + entry->peRed = colors[i].r; + entry->peGreen = colors[i].g; + entry->peBlue = colors[i].b; + entry->peFlags = PC_NOCOLLAPSE; + } +#if defined(SYSPAL_NOSTATIC) && !defined(_WIN32_WCE) + /* Check to make sure black and white are in position */ + if ( GetSystemPaletteUse(hdc) != SYSPAL_NOSTATIC256 ) { + moved_entries += CheckPaletteEntry(screen_logpal, 0, 0x00, 0x00, 0x00); + moved_entries += CheckPaletteEntry(screen_logpal, screen_logpal->palNumEntries-1, 0xff, 0xff, 0xff); + } + /* FIXME: + If we don't have full access to the palette, what we + really want to do is find the 236 most diverse colors + in the desired palette, set those entries (10-245) and + then map everything into the new system palette. + */ +#endif + +#ifndef _WIN32_WCE + /* Copy the entries into the system palette */ + UnrealizeObject(screen_pal); +#endif + SetPaletteEntries(screen_pal, 0, screen_logpal->palNumEntries, screen_logpal->palPalEntry); + SelectPalette(hdc, screen_pal, FALSE); + RealizePalette(hdc); + } + +#if !defined(_WIN32_WCE) || (_WIN32_WCE >= 400) + /* Copy palette colors into DIB palette */ + pal = SDL_stack_alloc(RGBQUAD, ncolors); + for ( i=0; i<ncolors; ++i ) { + pal[i].rgbRed = colors[i].r; + pal[i].rgbGreen = colors[i].g; + pal[i].rgbBlue = colors[i].b; + pal[i].rgbReserved = 0; + } + + /* Set the DIB palette and update the display */ + mdc = CreateCompatibleDC(hdc); + SelectObject(mdc, screen_bmp); + SetDIBColorTable(mdc, firstcolor, ncolors, pal); + if ( moved_entries || !grab_palette ) { + BitBlt(hdc, 0, 0, this->screen->w, this->screen->h, + mdc, 0, 0, SRCCOPY); + } + DeleteDC(mdc); + SDL_stack_free(pal); +#endif + ReleaseDC(SDL_Window, hdc); + return(1); +} + + +static void DIB_CheckGamma(_THIS) +{ +#ifndef NO_GAMMA_SUPPORT + HDC hdc; + WORD ramp[3*256]; + + /* If we fail to get gamma, disable gamma control */ + hdc = GetDC(SDL_Window); + if ( ! GetDeviceGammaRamp(hdc, ramp) ) { + this->GetGammaRamp = NULL; + this->SetGammaRamp = NULL; + } + ReleaseDC(SDL_Window, hdc); +#endif /* !NO_GAMMA_SUPPORT */ +} +void DIB_SwapGamma(_THIS) +{ +#ifndef NO_GAMMA_SUPPORT + HDC hdc; + + if ( gamma_saved ) { + hdc = GetDC(SDL_Window); + if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { + /* About to leave active state, restore gamma */ + SetDeviceGammaRamp(hdc, gamma_saved); + } else { + /* About to enter active state, set game gamma */ + GetDeviceGammaRamp(hdc, gamma_saved); + SetDeviceGammaRamp(hdc, this->gamma); + } + ReleaseDC(SDL_Window, hdc); + } +#endif /* !NO_GAMMA_SUPPORT */ +} +void DIB_QuitGamma(_THIS) +{ +#ifndef NO_GAMMA_SUPPORT + if ( gamma_saved ) { + /* Restore the original gamma if necessary */ + if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { + HDC hdc; + + hdc = GetDC(SDL_Window); + SetDeviceGammaRamp(hdc, gamma_saved); + ReleaseDC(SDL_Window, hdc); + } + + /* Free the saved gamma memory */ + SDL_free(gamma_saved); + gamma_saved = 0; + } +#endif /* !NO_GAMMA_SUPPORT */ +} + +int DIB_SetGammaRamp(_THIS, Uint16 *ramp) +{ +#ifdef NO_GAMMA_SUPPORT + SDL_SetError("SDL compiled without gamma ramp support"); + return -1; +#else + HDC hdc; + BOOL succeeded; + + /* Set the ramp for the display */ + if ( ! gamma_saved ) { + gamma_saved = (WORD *)SDL_malloc(3*256*sizeof(*gamma_saved)); + if ( ! gamma_saved ) { + SDL_OutOfMemory(); + return -1; + } + hdc = GetDC(SDL_Window); + GetDeviceGammaRamp(hdc, gamma_saved); + ReleaseDC(SDL_Window, hdc); + } + if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { + hdc = GetDC(SDL_Window); + succeeded = SetDeviceGammaRamp(hdc, ramp); + ReleaseDC(SDL_Window, hdc); + } else { + succeeded = TRUE; + } + return succeeded ? 0 : -1; +#endif /* !NO_GAMMA_SUPPORT */ +} + +int DIB_GetGammaRamp(_THIS, Uint16 *ramp) +{ +#ifdef NO_GAMMA_SUPPORT + SDL_SetError("SDL compiled without gamma ramp support"); + return -1; +#else + HDC hdc; + BOOL succeeded; + + /* Get the ramp from the display */ + hdc = GetDC(SDL_Window); + succeeded = GetDeviceGammaRamp(hdc, ramp); + ReleaseDC(SDL_Window, hdc); + return succeeded ? 0 : -1; +#endif /* !NO_GAMMA_SUPPORT */ +} + +void DIB_VideoQuit(_THIS) +{ + int i, j; + + /* Destroy the window and everything associated with it */ + if ( SDL_Window ) { + /* Delete the screen bitmap (also frees screen->pixels) */ + if ( this->screen ) { + if ( grab_palette ) { + DIB_ReleaseStaticColors(SDL_Window); + } +#ifndef NO_CHANGEDISPLAYSETTINGS + if ( this->screen->flags & SDL_FULLSCREEN ) { + ChangeDisplaySettings(NULL, 0); + ShowWindow(SDL_Window, SW_HIDE); + } +#endif + if ( this->screen->flags & SDL_OPENGL ) { + WIN_GL_ShutDown(this); + } + this->screen->pixels = NULL; + } + if ( screen_pal != NULL ) { + DeleteObject(screen_pal); + screen_pal = NULL; + } + if ( screen_logpal != NULL ) { + SDL_free(screen_logpal); + screen_logpal = NULL; + } + if ( screen_bmp ) { + DeleteObject(screen_bmp); + screen_bmp = NULL; + } + if ( screen_icn ) { + DestroyIcon(screen_icn); + screen_icn = NULL; + } + DIB_QuitGamma(this); + DIB_DestroyWindow(this); + + SDL_Window = NULL; + +#if defined(_WIN32_WCE) + +// Unload wince aygshell library to prevent leak + if( aygshell ) + { + FreeLibrary(aygshell); + aygshell = NULL; + } +#endif + } + + for ( i=0; i < SDL_arraysize(SDL_modelist); ++i ) { + if ( !SDL_modelist[i] ) { + continue; + } + for ( j=0; SDL_modelist[i][j]; ++j ) { + SDL_free(SDL_modelist[i][j]); + } + SDL_free(SDL_modelist[i]); + SDL_modelist[i] = NULL; + SDL_nummodes[i] = 0; + } +} + +/* Exported for the windows message loop only */ +static void DIB_GrabStaticColors(HWND window) +{ +#if defined(SYSPAL_NOSTATIC) && !defined(_WIN32_WCE) + HDC hdc; + + hdc = GetDC(window); + SetSystemPaletteUse(hdc, SYSPAL_NOSTATIC256); + if ( GetSystemPaletteUse(hdc) != SYSPAL_NOSTATIC256 ) { + SetSystemPaletteUse(hdc, SYSPAL_NOSTATIC); + } + ReleaseDC(window, hdc); +#endif +} +static void DIB_ReleaseStaticColors(HWND window) +{ +#if defined(SYSPAL_NOSTATIC) && !defined(_WIN32_WCE) + HDC hdc; + + hdc = GetDC(window); + SetSystemPaletteUse(hdc, SYSPAL_STATIC); + ReleaseDC(window, hdc); +#endif +} +static void DIB_Activate(_THIS, BOOL active, BOOL minimized) +{ + if ( grab_palette ) { + if ( !active ) { + DIB_ReleaseStaticColors(SDL_Window); + DIB_RealizePalette(this); + } else if ( !minimized ) { + DIB_GrabStaticColors(SDL_Window); + DIB_RealizePalette(this); + } + } +} +static void DIB_RealizePalette(_THIS) +{ + if ( screen_pal != NULL ) { + HDC hdc; + + hdc = GetDC(SDL_Window); +#ifndef _WIN32_WCE + UnrealizeObject(screen_pal); +#endif + SelectPalette(hdc, screen_pal, FALSE); + if ( RealizePalette(hdc) ) { + InvalidateRect(SDL_Window, NULL, FALSE); + } + ReleaseDC(SDL_Window, hdc); + } +} +static void DIB_PaletteChanged(_THIS, HWND window) +{ + if ( window != SDL_Window ) { + DIB_RealizePalette(this); + } +} + +/* Exported for the windows message loop only */ +static void DIB_WinPAINT(_THIS, HDC hdc) +{ + HDC mdc; + + if ( screen_pal ) { + SelectPalette(hdc, screen_pal, FALSE); + } + mdc = CreateCompatibleDC(hdc); + SelectObject(mdc, screen_bmp); + BitBlt(hdc, 0, 0, SDL_VideoSurface->w, SDL_VideoSurface->h, + mdc, 0, 0, SRCCOPY); + DeleteDC(mdc); +} + +static void DIB_GetWinPos(_THIS, int* px, int *py) +{ + RECT rect; + GetWindowRect(SDL_Window, &rect); + *px = rect.left; + *py = rect.top; +} + +static void DIB_SetWinPos(_THIS, int x, int y) +{ + SetWindowPos(SDL_Window, HWND_TOPMOST, + x, y, 0, 0, SWP_NOSIZE|SWP_NOZORDER); +} + +typedef struct { + int result; + int first; + RECT wrect; + RECT primary; +} VisibilityData; + + +BOOL CALLBACK visibility_cb(HMONITOR hMonitor, + HDC hdcMonitor, + LPRECT mrect, + LPARAM dwData) +{ + VisibilityData* data = (VisibilityData*)dwData; + + if ( data->first ) { + data->first = 0; + data->primary = mrect[0]; + } + + if ( data->wrect.left >= mrect->left && + data->wrect.right <= mrect->right && + data->wrect.top >= mrect->top && + data->wrect.bottom <= mrect->bottom ) + { + data->result = 1; + return FALSE; + } + return TRUE; +} + +static int DIB_IsWinVisible(_THIS, int recenter) +{ + VisibilityData data; + data.result = 0; + data.first = 1; + + GetWindowRect(SDL_Window, &data.wrect); + + EnumDisplayMonitors(NULL, NULL, visibility_cb, (LPARAM)&data); + + if ( !data.result && recenter ) { + int new_x = 10; + int new_y = 10; + + if ( !data.first ) { + int primary_w = data.primary.right - data.primary.left; + int primary_h = data.primary.bottom - data.primary.top; + + new_x = data.primary.left + (primary_w - this->screen->w)/2; + new_y = data.primary.top + (primary_h - this->screen->h)/2; + } + DIB_SetWinPos(this, new_x, new_y); + } + return data.result; +} + +static int DIB_GetMonitorDPI(_THIS, int* xDpi, int *yDpi) +{ + HDC displayDC = CreateDC( "DISPLAY", NULL, NULL, NULL ); + int xdpi, ydpi; + + if (displayDC == NULL) { + return -1; + } + xdpi = GetDeviceCaps( displayDC, LOGPIXELSX ); + ydpi = GetDeviceCaps( displayDC, LOGPIXELSY ); + + DeleteDC(displayDC); + + /* sanity checks */ + if (xdpi < 20 || xdpi > 400 || ydpi < 20 || ydpi > 400) { + return -1; + } + + *xDpi = xdpi; + *yDpi = ydpi; + return 0; +} + + +typedef struct { + int first; + RECT wrect; + long bestArea; + RECT bestRect; + RECT primary; +} ProximityData; + +BOOL CALLBACK proximity_cb(HMONITOR hMonitor, + HDC hdcMonitor, + LPRECT mrect, + LPARAM dwData) +{ + ProximityData* data = (ProximityData*)dwData; + int x1, y1, x2, y2, area; + + x1 = mrect->left; + x2 = mrect->right; + y1 = mrect->top; + y2 = mrect->bottom; + + if (data->first) { + data->primary = mrect[0]; + } + + if (x1 < data->wrect.left) + x1 = data->wrect.left; + if (x2 > data->wrect.right) + x2 = data->wrect.right; + if (y1 < data->wrect.top) + y1 = data->wrect.top; + if (y2 > data->wrect.bottom) + y2 = data->wrect.bottom; + + if (x1 >= x2 || y1 >= y2) + return TRUE; + + area = (x2-x1)*(y2-y1); + if (data->first || area > data->bestArea) { + data->first = 0; + data->bestRect = mrect[0]; + data->bestArea = area; + } + return TRUE; +} + +static int DIB_GetMonitorRect(_THIS, SDL_Rect* rect) +{ + ProximityData data; + RECT* sr; + + data.first = 1; + GetWindowRect(SDL_Window, &data.wrect); + + EnumDisplayMonitors(NULL, NULL, proximity_cb, (LPARAM)&data); + + if (data.first) + return -1; + + sr = &data.bestRect; + + rect->x = sr->left; + rect->y = sr->top; + rect->w = sr->right - sr->left; + rect->h = sr->bottom - sr->top; + + return 0; +} + +/* Stub in case DirectX isn't available */ +#if !SDL_AUDIO_DRIVER_DSOUND +void DX5_SoundFocus(HWND hwnd) +{ + return; +} +#endif |