[1538] | 1 | #include <windows.h>
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[1549] | 2 |
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| 3 | #include <stdlib.h>
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| 4 | #include <stdio.h>
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| 5 | #include <string.h>
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| 6 |
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| 7 | #include "splash.h"
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| 8 | #include "bmputil.h"
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| 9 |
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| 10 | // define the magic value used in GetWinFlags to show that this application
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| 11 | // is running on a Windows NT box in 16-bit emulation mode.
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| 12 | #define WF_WINNT 0x4000
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| 13 |
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| 14 | #define MAX_PATH 256
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| 15 |
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| 16 | #ifdef _WIN32
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| 17 | int GetWinFlags()
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| 18 | { return 0;
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| 19 | }
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| 20 | #endif
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| 21 |
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| 22 | HWND app_window;
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| 23 | HINSTANCE app_instance;
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| 24 | char * app_cmdLine;
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| 25 |
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| 26 | typedef void (* splashfn) (HINSTANCE a, unsigned int time);
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| 27 | typedef HBITMAP (* bmploadfn) (HDC device, LPSTR name);
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| 28 |
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| 29 | typedef struct
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| 30 | { BYTE majorVersion;
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| 31 | BYTE minorVersion;
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| 32 | WORD buildNumber;
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| 33 | BOOL debug;
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| 34 | } win32sInfo, FAR * lpWin32sInfo;
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| 35 |
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| 36 | typedef enum
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| 37 | { Windows2x, Windows3_0x, Windows3_1x, Windows9x, WindowsNT
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| 38 | } gs16PlatformId;
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| 39 |
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| 40 | typedef struct
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| 41 | { gs16PlatformId platform;
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| 42 | bool win32s;
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| 43 | } gs16PlatformInfo;
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| 44 |
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| 45 | typedef int (FAR PASCAL * win32sInfoFn)(lpWin32sInfo);
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| 46 |
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| 47 | bool appendPath(char *original, char *extension, int maxlen)
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| 48 | { int extralen = 0;
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| 49 |
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| 50 | if (original[strlen(original) - 1] != '\\')
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| 51 | { extralen ++;
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| 52 | }
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| 53 | if (extension[0] == '\\')
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| 54 | { extralen --;
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| 55 | }
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| 56 | if (strlen(original) + strlen(extension) + extralen + 1 > maxlen)
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| 57 | { return false;
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| 58 | }
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| 59 | if (extralen > 0)
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| 60 | { strcat(original, "\\");
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| 61 | }
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| 62 | else if (extralen < 0)
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| 63 | { extension ++;
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| 64 | }
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| 65 | strcat(original,extension);
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| 66 | return true;
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| 67 | }
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| 68 |
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| 69 | /**
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| 70 | * Function called before attempting a LoadModule as that call reports
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| 71 | * an error if w32sys.dll doesn't exist
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| 72 | */
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| 73 | bool GS16bit_checkExistsWin32s()
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| 74 | { char buffer[MAX_PATH];
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| 75 | OFSTRUCT of;
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| 76 |
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[1582] | 77 | if (GetSystemDirectory(buffer, MAX_PATH) == 0)
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| 78 | { return true;
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| 79 | }
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| 80 |
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| 81 | if (!appendPath(buffer, "win32s\\w32sys.dll", MAX_PATH))
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| 82 | { return FALSE;
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| 83 | }
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| 84 |
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| 85 | strcpy(buffer, "win32s\\w32.dll");
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| 86 | if (OpenFile((LPCSTR) buffer, (LPOFSTRUCT) &of, OF_EXIST) == HFILE_ERROR)
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| 87 | { // try system directory directly; no need to error check - we know that
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| 88 | // we don't have a length problem
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| 89 | GetSystemDirectory(buffer, MAX_PATH);
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| 90 | appendPath(buffer, "w32sys.dll", MAX_PATH);
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| 91 |
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| 92 | // if it isn't there either, return false
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[1549] | 93 | if (OpenFile((LPCSTR) buffer, (LPOFSTRUCT) &of, OF_EXIST) == HFILE_ERROR)
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[1582] | 94 | { return false;
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[1549] | 95 | }
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| 96 | }
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| 97 | return true;
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| 98 | }
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| 99 |
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| 100 | bool GS16bit_checkForWin32s()
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| 101 | {
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| 102 | HINSTANCE w32sHandle;
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| 103 | win32sInfoFn infoFnPtr;
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| 104 | win32sInfo w32sInfo;
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| 105 | bool reply = false;
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| 106 |
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| 107 | // check if the module exists
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| 108 | if (GS16bit_checkExistsWin32s() == true)
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| 109 | { w32sHandle = LoadLibrary("W32SYS.DLL");
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| 110 | }
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| 111 | else
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| 112 | { w32sHandle = NULL;
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| 113 | }
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| 114 |
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| 115 | // try to get a handle onto the win32s library
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| 116 | if (w32sHandle != NULL)
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| 117 | { // now get the address of the GetWin32sInfo function
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| 118 | infoFnPtr = (win32sInfoFn) GetProcAddress(w32sHandle, "GETWIN32SINFO");
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| 119 |
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| 120 | // if the function exists, we've got win32s1.1 or later
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| 121 | if (infoFnPtr != NULL)
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| 122 | { if ((*infoFnPtr)((lpWin32sInfo) &w32sInfo) == 0) // no error state
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| 123 | { reply = true;
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| 124 | }
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| 125 | else // error - call didn't work; assume that we have a non-functional
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| 126 | // win32s
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| 127 | { reply = false;
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| 128 | }
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| 129 | }
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| 130 | // else we've got win32s 1.0. TODO: We need to check if it's actually up and
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| 131 | // running;
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| 132 | else
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| 133 | { reply = true;
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| 134 | }
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| 135 |
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| 136 | // we need to free the library before finishing this function
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| 137 | FreeLibrary(w32sHandle);
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| 138 | }
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| 139 | // no win32s at all
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| 140 | else
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| 141 | { reply = false;
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| 142 | }
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| 143 |
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| 144 | return reply;
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| 145 | }
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| 146 |
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| 147 | void GS16bit_getPlatformInfo(gs16PlatformInfo &info)
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| 148 | {
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| 149 | DWORD version = GetVersion();
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| 150 |
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| 151 | /**
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| 152 | * NB: Ignore ALL standard information on using GetVersion in the
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| 153 | * standard Windows 3.1 SDK and Windows 32-bit SDK documentation;
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| 154 | * the latter does not apply, and the former is (slightly but signif-
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| 155 | * cantly) misdocumented.
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| 156 | *
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| 157 | * On 16-bit windows (i.e. this program) take the following comments
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| 158 | * as gospel. Also refer to
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| 159 | *
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| 160 | * http://support.microsoft.com/support/kb/articles/Q131/3/71.asp
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| 161 | */
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| 162 | BYTE majorVersion = LOBYTE(LOWORD(version));
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| 163 | BYTE minorVersion = HIBYTE(LOWORD(version));
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| 164 | BYTE dosVersion = HIBYTE(HIWORD(version));
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| 165 |
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| 166 | if (majorVersion < 3)
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| 167 | {
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| 168 | info.platform = Windows2x;
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| 169 | }
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| 170 | else if (majorVersion == 3 && minorVersion >= 95) // it's Windows 95 from the
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| 171 | // minor version; I guess that
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| 172 | // 98 may have minor version == 98,
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| 173 | // but I don't know! Hence the
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| 174 | // cautious check
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| 175 | {
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| 176 | info.platform = Windows9x;
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| 177 | }
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| 178 | else // we're running in "some sort" of Windows 3.x environment
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| 179 | {
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| 180 | if (minorVersion == 10 && dosVersion == 5) // it could be running under WOW
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| 181 | // (16-bit Windows emulation in
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| 182 | // Windows NT)
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| 183 | {
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| 184 | if ((GetWinFlags() & WF_WINNT) == WF_WINNT) // check for NT in emulation mode
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| 185 | {
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| 186 | info.platform = WindowsNT;
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| 187 | }
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| 188 | else
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| 189 | {
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| 190 | info.platform = Windows3_1x;
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| 191 | }
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| 192 | }
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| 193 | else if (minorVersion >= 10) // perhaps Windows 3.11
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| 194 | {
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| 195 | info.platform = Windows3_1x;
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| 196 | }
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| 197 | else
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| 198 | {
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| 199 | info.platform = Windows3_0x;
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| 200 | }
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| 201 | }
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| 202 |
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| 203 | if (info.platform == Windows3_1x)
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| 204 | {
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| 205 | info.win32s = GS16bit_checkForWin32s();
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| 206 | }
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| 207 | else
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| 208 | {
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| 209 | info.win32s = false;
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| 210 | }
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| 211 | }
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| 212 |
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| 213 | void GS16bit_checkWindowsVersion()
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| 214 | {
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| 215 | gs16PlatformInfo platformInfo;
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| 216 |
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| 217 | GS16bit_getPlatformInfo(platformInfo);
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| 218 | if (platformInfo.platform == Windows3_0x ||
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| 219 | platformInfo.platform == Windows2x)
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| 220 | {
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| 221 | MessageBox(app_window,
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| 222 | "Greenstone cannot be installed on this computer. It requires "
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| 223 | "Windows 3.10 or later",
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| 224 | "Greenstone Installer",
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| 225 | MB_OK);
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| 226 | }
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| 227 | else if ( platformInfo.platform == Windows3_1x &&
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| 228 | platformInfo.win32s == false)
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| 229 | {
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| 230 | int result;
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| 231 |
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| 232 | MessageBox(app_window,
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| 233 | "Greenstone requires 32 bit Windows. Win32s will now be installed "
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| 234 | "on your computer to provide this, before continuing with the main "
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| 235 | "installation.",
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| 236 | "Greenstone Installer",
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| 237 | MB_OK);
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| 238 | result = WinExec("win32s\\setup.exe", SW_SHOWNORMAL);
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| 239 | }
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| 240 | else
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| 241 | {
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| 242 | char buffer[20];
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| 243 | int result;
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| 244 | /* MessageBox(app_window,
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| 245 | "Greenstone will now install", "Greenstone Installer", MB_OK);*/
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| 246 | result = WinExec("gssetup.exe", SW_SHOWNORMAL);
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| 247 | }
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| 248 | }
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| 249 |
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| 250 | long FAR PASCAL GS16bitWindProc(HWND Window,
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| 251 | WORD Message,
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| 252 | WPARAM wParameter,
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| 253 | LPARAM lParameter)
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| 254 | { long reply = 0;
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| 255 |
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| 256 | switch(Message)
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| 257 | { case WM_CREATE:
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| 258 | {
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| 259 | }
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| 260 | break;
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| 261 |
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| 262 | case WM_COMMAND:
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| 263 | break;
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| 264 |
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| 265 | case WM_CLOSE:
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| 266 | DestroyWindow(Window);
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| 267 | return 0L;
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| 268 |
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| 269 | case WM_DESTROY:
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| 270 | {
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| 271 | PostQuitMessage(0);
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| 272 | }
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| 273 | break;
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| 274 |
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| 275 | default:
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| 276 | return(DefWindowProc(Window, Message, wParameter, lParameter));
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| 277 | }
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| 278 | return reply;
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| 279 | }
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| 280 |
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| 281 | void GS16bit_init(HINSTANCE instance, int Show)
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| 282 | {
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| 283 | FARPROC showsplash;
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| 284 | FARPROC loadbmp;
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| 285 | HDC dc;
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| 286 | char buffer[20];
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| 287 |
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| 288 | /*
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| 289 | dc = GetDC(GetDesktopWindow());
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| 290 | bmpUtil_loadBitmap(dc, "C:\\gs.bmp");
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| 291 | ReleaseDC(GetDesktopWindow(), dc);
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| 292 | */
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| 293 | // showsplash = MakeProcInstance((FARPROC) splash_show, instance);
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| 294 | // (*(splashfn) showsplash)(instance, 3000);
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| 295 |
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| 296 | GS16bit_checkWindowsVersion();
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| 297 |
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| 298 | app_window = CreateWindow("GS16bit:Main", "GreenStone Installer",
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| 299 | WS_OVERLAPPEDWINDOW | WS_MINIMIZE | CS_DBLCLKS,
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| 300 | CW_USEDEFAULT,
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| 301 | 0,
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| 302 | CW_USEDEFAULT,
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| 303 | 0,
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| 304 | NULL,
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| 305 | NULL,
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| 306 | app_instance,
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| 307 | NULL);
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| 308 |
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| 309 | ShowWindow(app_window, Show);
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| 310 |
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| 311 | PostQuitMessage(0);
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| 312 | }
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| 313 |
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| 314 | void WinClassInit(void)
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| 315 | {
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| 316 | WNDCLASS Class;
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| 317 |
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| 318 | Class.lpszClassName = "GS16bit:Main";
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| 319 | Class.hInstance = app_instance;
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| 320 | Class.lpfnWndProc = (WNDPROC) GS16bitWindProc;
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| 321 | Class.hCursor = LoadCursor(NULL, IDC_ARROW);
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| 322 | Class.hIcon = NULL; //LoadIcon(app_instance, "GSInstall");
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| 323 | Class.lpszMenuName = NULL;
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| 324 | Class.hbrBackground = (HBRUSH) (COLOR_APPWORKSPACE+1);
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| 325 | Class.style = NULL;
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| 326 | Class.cbClsExtra = 0;
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| 327 | Class.cbWndExtra = 0;
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| 328 | RegisterClass(&Class);
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| 329 | }
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| 330 |
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| 331 | int PASCAL WinMain(HINSTANCE Current,
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| 332 | HINSTANCE Previous,
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| 333 | LPSTR CmdLine,
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| 334 | int CmdShow)
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| 335 | {
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| 336 | MSG msg;
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| 337 |
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| 338 | app_cmdLine = (char *) LocalAlloc(LMEM_FIXED, lstrlen(CmdLine) + 1);
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| 339 | lstrcpy(app_cmdLine, CmdLine);
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| 340 |
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| 341 | app_instance = Current;
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| 342 | /* -- init application */
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| 343 | if (!Previous)
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| 344 | {
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| 345 | WinClassInit();
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| 346 | }
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| 347 |
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| 348 | /* -- init instance */
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| 349 | GS16bit_init(Current, CmdShow);
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| 350 |
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| 351 | while (GetMessage(&msg, NULL, 0, 0))
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| 352 | {
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| 353 | TranslateMessage(&msg);
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| 354 | DispatchMessage(&msg);
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| 355 | }
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| 356 | return (int) msg.wParam;
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| 357 | }
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[1538] | 358 |
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