| /* |
| 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 |