/*++ * * WOW v1.0 * * Copyright (c) 1991, Microsoft Corporation * * WGPRNSET.C * WOW32 printer setup support routines * * These routines help a Win 3.0 task to complete the printer set-up, * when a user initiates the printer setup from the file menu of an * application. * * History: * Created 18-Apr-1991 by Chandan Chauhan (ChandanC) --*/ #include "precomp.h" #pragma hdrstop MODNAME(wgprnset.c); DLLENTRYPOINTS spoolerapis[WOW_SPOOLERAPI_COUNT] = {"EXTDEVICEMODE", NULL, "DEVICEMODE", NULL, "DEVICECAPABILITIES", NULL, "OpenPrinterA", NULL, "StartDocPrinterA", NULL, "StartPagePrinter", NULL, "EndPagePrinter", NULL, "EndDocPrinter", NULL, "ClosePrinter", NULL, "WritePrinter", NULL, "DeletePrinter", NULL, "GetPrinterDriverDirectoryA", NULL, "AddPrinterA", NULL, "AddPrinterDriverA", NULL, "AddPortExA",NULL}; /**************************************************************************** * * * ULONG FASTCALL WG32DeviceMode (PVDMFRAME pFrame) * * * * (hWnd, hModule, lpDeviceName, lpOutPut) * * * * This function passes WDevMode structure (which is per wow task) to * * Win32 printer driver ExtDeviceMode API. This structure is then * * initialized by the printer driver based on the user input. * * * * Later on, when a WOW task creates a dc (by CreateDC API), the device * * mode (WDevMode) structure associated with this wow task is passed along * * with the CreateDC API. Which contains the printer setup information * * needed to print the document. * * * ****************************************************************************/ ULONG FASTCALL WG32DeviceMode (PVDMFRAME pFrame) { register PDEVICEMODE16 parg16; PSZ psz, psz3=NULL, psz4=NULL; HWND hwnd32; GETARGPTR(pFrame, sizeof(DEVICEMODE16), parg16); // copy all 16-bit params now since 16-bit memory may move if this calls // into a 16-bit fax driver hwnd32 = HWND32(parg16->f1); GETPSZPTR(parg16->f3, psz); if(psz) { if(psz3 = malloc_w(lstrlen(psz)+1)) { lstrcpy(psz3, psz); } } FREEPSZPTR(psz); GETPSZPTR(parg16->f4, psz); if(psz) { if(psz4 = malloc_w(lstrlen(psz)+1)) { lstrcpy(psz4, psz); } } FREEPSZPTR(psz); // invalidate all flat ptrs to 16:16 memory now! FREEARGPTR(parg16); if (!(*spoolerapis[WOW_DEVICEMODE].lpfn)) { if (!LoadLibraryAndGetProcAddresses("WINSPOOL.DRV", spoolerapis, WOW_SPOOLERAPI_COUNT)) { return (0); } } // this can callback into a 16-bit fax driver! (*spoolerapis[WOW_DEVICEMODE].lpfn)(hwnd32, NULL, psz3, psz4); if(psz3) { free_w(psz3); } if(psz4) { free_w(psz4); } RETURN(1); // DeviceMode returns void. Charisma checks the return value ! } /***************************************************************************** * * * ULONG FASTCALL WG32ExtDeviceMode (PVDMFRAME pFrame) * * * * INT (hWnd, hDriver, lpDevModeOutput, lpDeviceName, lpPort, * * lpDevModeInput, lpProfile, wMode) * * * * This function is same as DeviceMode except that the wow task supplies * * a DeviceMode structure. Apart from it, this API can be called in * * different modes. * * * *****************************************************************************/ ULONG FASTCALL WG32ExtDeviceMode (PVDMFRAME pFrame) { UINT cb; LONG l; HWND hWnd1; WORD wMode8; PSZ psz; PSZ psz4 = NULL, psz5 = NULL, psz7 = NULL; VPVOID vpdm3, vpdm6; LPDEVMODE lpdmInput6; LPDEVMODE lpdmOutput3; register PEXTDEVICEMODE16 parg16; GETARGPTR(pFrame, sizeof(EXTDEVICEMODE16), parg16); // copy the 16-bit parameters into local vars since this may callback // into a 16-bit fax driver and cause 16-bit memory to move hWnd1 = HWND32(parg16->f1); vpdm3 = FETCHDWORD(parg16->f3); vpdm6 = FETCHDWORD(parg16->f6); wMode8 = FETCHWORD(parg16->f8); GETPSZPTR(parg16->f4, psz); if(psz) { if(psz4 = malloc_w(lstrlen(psz)+1)) { lstrcpy(psz4, psz); } } FREEPSZPTR(psz); GETPSZPTR(parg16->f5, psz); if(psz) { if(psz5 = malloc_w(lstrlen(psz)+1)) { lstrcpy(psz5, psz); } } FREEPSZPTR(psz); GETPSZPTR(parg16->f7, psz); if(psz) { if(psz7 = malloc_w(lstrlen(psz)+1)) { lstrcpy(psz7, psz); } } FREEPSZPTR(psz); FREEARGPTR(parg16); // all flat ptrs to 16:16 memory are now invalid!! if (!(*spoolerapis[WOW_EXTDEVICEMODE].lpfn)) { if (!LoadLibraryAndGetProcAddresses("WINSPOOL.DRV", spoolerapis, WOW_SPOOLERAPI_COUNT)) { return (0); } } lpdmInput6 = ThunkDevMode16to32(FETCHDWORD(vpdm6)); /* if they want output buffer size OR they want to fill output buffer */ if( (wMode8 == 0) || (wMode8 & DM_OUT_BUFFER) ) { /* get required size for output buffer */ l = (*spoolerapis[WOW_EXTDEVICEMODE].lpfn)(hWnd1, NULL, NULL, psz4, psz5, lpdmInput6, psz7, 0); // adjust size for WOW handling (see notes in wstruc.c) if(l > 0) { l += sizeof(WOWDM31); cb = (UINT)l; } /* if caller wants output buffer filled... */ if( (wMode8 != 0) && (vpdm3 != 0L) && l > 0 ) { if( lpdmOutput3 = malloc_w(l) ) { l = (*spoolerapis[WOW_EXTDEVICEMODE].lpfn)(hWnd1, NULL, lpdmOutput3, psz4, psz5, lpdmInput6, psz7, wMode8); /* Data in lpdmOutput3 is only valid with IDOK return. */ if( l == IDOK ) { // do our WOW magic on this before we give it to the app ThunkDevMode32to16(vpdm3, lpdmOutput3, cb); } free_w(lpdmOutput3); } else { l = -1L; } } } /* else call for cases where they don't want to fill the output buffer */ else { l = (*spoolerapis[WOW_EXTDEVICEMODE].lpfn)(hWnd1, NULL, NULL, psz4, psz5, lpdmInput6, psz7, wMode8); } if( lpdmInput6 ) { free_w(lpdmInput6); } if(psz4) { free_w(psz4); } if(psz5) { free_w(psz5); } if(psz7) { free_w(psz7); } RETURN((ULONG)l); } ULONG FASTCALL WG32DeviceCapabilities (PVDMFRAME pFrame) { LONG l=0L, cb; WORD fwCap3; PSZ psz; PBYTE pOutput4, pOutput32; VPVOID vpOutput4; PSZ psz1 = NULL; PSZ psz2 = NULL; LPDEVMODE lpdmInput5; DWORD dwDM5; register PDEVICECAPABILITIES16 parg16; GETARGPTR(pFrame, sizeof(DEVICECAPABILITIES16), parg16); // copy the 16-bit parameters into local vars since this may callback // into a 16-bit fax driver and cause 16-bit memory to move GETPSZPTR(parg16->f1, psz); if(psz) { if(psz1 = malloc_w(lstrlen(psz)+1)) { lstrcpy(psz1, psz); } } FREEPSZPTR(psz); GETPSZPTR(parg16->f2, psz); if(psz) { if(psz2 = malloc_w(lstrlen(psz)+1)) { lstrcpy(psz2, psz); } } FREEPSZPTR(psz); fwCap3 = FETCHWORD(parg16->f3); vpOutput4 = FETCHDWORD(parg16->f4); dwDM5 = FETCHDWORD(parg16->f5); FREEARGPTR(parg16); // all flat ptrs to 16:16 memory are now invalid!! if (!(*spoolerapis[WOW_DEVICECAPABILITIES].lpfn)) { if (!LoadLibraryAndGetProcAddresses("WINSPOOL.DRV", spoolerapis, WOW_SPOOLERAPI_COUNT)) { return (0); } } lpdmInput5 = ThunkDevMode16to32(dwDM5); LOGDEBUG(LOG_TRACE, ("WG32DeviceCapabilities %d\n", fwCap3)); switch (fwCap3) { // These ones do not fill up an output Buffer case DC_FIELDS: case DC_DUPLEX: case DC_SIZE: case DC_EXTRA: case DC_VERSION: case DC_DRIVER: case DC_TRUETYPE: case DC_ORIENTATION: case DC_COPIES: l = (*spoolerapis[WOW_DEVICECAPABILITIES].lpfn)(psz1, psz2, fwCap3, NULL, lpdmInput5); LOGDEBUG(LOG_TRACE, ("WG32DeviceCapabilities simple case returned %d\n", l)); // adjust for WOW handling of devmodes // see notes in wstruc.c if(fwCap3 == DC_SIZE) { // we always convert NT DevModes to Win3.1 DevModes WOW32WARNMSGF((l==sizeof(DEVMODE)), ("WG32DeviceCapabilities: Unexpected DevMode size: %d\n",l)); if(l == sizeof(DEVMODE)) { l = sizeof(DEVMODE31); } } // adjust DriverExtra to allow for difference between NT devmodes // & Win3.1 devmodes + our secret WOW stuff at the end else if(fwCap3 == DC_EXTRA) { l += WOW_DEVMODEEXTRA; } // we tell them Win3.1 for the spec version too else if(fwCap3 == DC_VERSION) { l = WOW_DEVMODE31SPEC; // tell 'em the spec version is Win3.1 } break; // These require an output buffer case DC_PAPERS: case DC_PAPERSIZE: case DC_MINEXTENT: case DC_MAXEXTENT: case DC_BINS: case DC_BINNAMES: case DC_ENUMRESOLUTIONS: case DC_FILEDEPENDENCIES: case DC_PAPERNAMES: LOGDEBUG(LOG_TRACE, ("WG32DeviceCapabilities more complicated:\n")); // We've got to figure out how much memory we will need GETMISCPTR(vpOutput4, pOutput4); if (pOutput4) { cb = (*spoolerapis[WOW_DEVICECAPABILITIES].lpfn)(psz1, psz2, fwCap3, NULL, lpdmInput5); FREEPSZPTR(pOutput4); // invalidate -16bit memory may have moved LOGDEBUG(LOG_TRACE, ("we need %d bytes ", cb)); if (cb > 0) { switch (fwCap3) { case DC_PAPERS: cb *= 2; break; case DC_BINNAMES: cb *= 24; break; case DC_BINS: cb*=2; break; case DC_FILEDEPENDENCIES: case DC_PAPERNAMES: cb *= 64; break; case DC_MAXEXTENT: case DC_MINEXTENT: case DC_PAPERSIZE: cb *= 8; LOGDEBUG(LOG_TRACE, ("DC_PAPERSIZE called: Needed %d bytes\n", cb)); break; case DC_ENUMRESOLUTIONS: cb *= sizeof(LONG)*2; break; } // end switch pOutput32 = malloc_w(cb); if (pOutput32) { l = (*spoolerapis[WOW_DEVICECAPABILITIES].lpfn)(psz1, psz2, fwCap3, pOutput32, lpdmInput5); if (l >= 0) { GETMISCPTR(vpOutput4, pOutput4); switch (fwCap3) { case DC_PAPERS: if (CURRENTPTD()->dwWOWCompatFlags & WOWCF_RESETPAPER29ANDABOVE) { // wordperfect for windows 5.2 GPs if // papertype is > 0x28. so reset such // paper types to 0x1. In particular // this happens if the selected printer // is Epson LQ-510. // - nanduri LONG i = l; while(i--) { if (((LPWORD)pOutput32)[i] > 0x28) { ((LPWORD)pOutput32)[i] = 0x1; } } } // end if RtlCopyMemory(pOutput4, pOutput32, cb); break; case DC_MAXEXTENT: case DC_MINEXTENT: case DC_PAPERSIZE: LOGDEBUG(LOG_TRACE, ("Copying %d points from %0x to %0x\n", l, pOutput32, pOutput4)); putpoint16(vpOutput4, l,(LPPOINT)pOutput32); break; default: LOGDEBUG(LOG_TRACE, ("Copying %d bytes from %0x to %0x\n",cb, pOutput32, pOutput4)); RtlCopyMemory(pOutput4, pOutput32, cb); break; } // end switch FLUSHVDMPTR(vpOutput4, (USHORT)cb, pOutput4); FREEPSZPTR(pOutput4); } // end if free_w(pOutput32); } else l = -1; } else l = cb; } else { l = (*spoolerapis[WOW_DEVICECAPABILITIES].lpfn)(psz1, psz2, fwCap3, NULL, lpdmInput5); LOGDEBUG(LOG_TRACE, ("No Output buffer specified: Returning %d\n", l)); } break; default: LOGDEBUG(LOG_TRACE, ("!!!! WG32DeviceCapabilities unhandled %d\n", fwCap3)); l = -1L; break; } // end switch if (lpdmInput5) { free_w(lpdmInput5); } if(psz1) { free_w(psz1); } if(psz2) { free_w(psz2); } RETURN(l); } BOOL LoadLibraryAndGetProcAddresses(char *name, DLLENTRYPOINTS *p, int num) { int i; HINSTANCE hInst; if (!(hInst = SafeLoadLibrary (name))) { WOW32ASSERTMSGF (FALSE, ("WOW::LoadLibraryAndGetProcAddresses: LoadLibrary('%s') failed\n", name)); return FALSE; } for (i = 0; i < num ; i++) { p[i].lpfn = (void *) GetProcAddress (hInst, (p[i].name)); WOW32ASSERTMSGF (p[i].lpfn, ("WOW::LoadLibraryAndGetProcAddresses: GetProcAddress(%s, '%s') failed\n", name, p[i].name)); } return TRUE; } #ifdef i386 /* * "Safe" version of LoadLibrary which preserves floating-point state * across the load. This is critical on x86 because the FP state being * preserved is the 16-bit app's state. MSVCRT.DLL is one offender which * changes the Precision bits in its Dll init routine. * * On RISC, this is an alias for LoadLibrary * */ HINSTANCE SafeLoadLibrary(char *name) { HINSTANCE hInst; BYTE FpuState[108]; // Save the 487 state _asm { lea ecx, [FpuState] fsave [ecx] } hInst = LoadLibrary(name); // Restore the 487 state _asm { lea ecx, [FpuState] frstor [ecx] } return hInst; } #endif //i386