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Sweden-Number/programs/progman/grpfile.c

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/*
* Program Manager
*
* Copyright 1996 Ulrich Schmid
*/
#include "windows.h"
#include "progman.h"
#define MALLOCHUNK 1000
#define GET_USHORT(buffer, i)\
(((BYTE)((buffer)[(i)]) + 0x100 * (BYTE)((buffer)[(i)+1])))
#define GET_SHORT(buffer, i)\
(((BYTE)((buffer)[(i)]) + 0x100 * (signed char)((buffer)[(i)+1])))
#define PUT_SHORT(buffer, i, s)\
(((buffer)[(i)] = (s) & 0xff, (buffer)[(i)+1] = ((s) >> 8) & 0xff))
static BOOL GRPFILE_ReadFileToBuffer(LPCSTR, HLOCAL*, INT*);
static HLOCAL GRPFILE_ScanGroup(LPCSTR, INT, LPCSTR, BOOL);
static HLOCAL GRPFILE_ScanProgram(LPCSTR, INT, LPCSTR, INT,
LPCSTR, HLOCAL,LPCSTR);
static BOOL GRPFILE_DoWriteGroupFile(HFILE file, GROUP *group);
/***********************************************************************
*
* GRPFILE_ModifyFileName
*
* Change extension `.grp' to `.gr'
*/
static VOID GRPFILE_ModifyFileName(LPSTR lpszNewName, LPCSTR lpszOrigName,
INT nSize, BOOL bModify)
{
lstrcpyn(lpszNewName, lpszOrigName, nSize);
lpszNewName[nSize-1] = '\0';
if (!bModify) return;
if (!lstrcmpi(lpszNewName + strlen(lpszNewName) - 4, ".grp"))
lpszNewName[strlen(lpszNewName) - 1] = '\0';
}
/***********************************************************************
*
* GRPFILE_ReadGroupFile
*/
HLOCAL GRPFILE_ReadGroupFile(LPCSTR lpszPath)
{
CHAR szPath_gr[MAX_PATHNAME_LEN];
BOOL bFileNameModified = FALSE;
OFSTRUCT dummy;
HLOCAL hBuffer, hGroup;
INT size;
/* if `.gr' file exists use that */
GRPFILE_ModifyFileName(szPath_gr, lpszPath, MAX_PATHNAME_LEN, TRUE);
if (OpenFile(szPath_gr, &dummy, OF_EXIST) != HFILE_ERROR)
{
lpszPath = szPath_gr;
bFileNameModified = TRUE;
}
/* Read the whole file into a buffer */
if (!GRPFILE_ReadFileToBuffer(lpszPath, &hBuffer, &size))
{
MAIN_MessageBoxIDS_s(IDS_GRPFILE_READ_ERROR_s, lpszPath, IDS_ERROR, MB_YESNO);
return(0);
}
/* Interpret buffer */
hGroup = GRPFILE_ScanGroup(LocalLock(hBuffer), size,
lpszPath, bFileNameModified);
if (!hGroup)
MAIN_MessageBoxIDS_s(IDS_GRPFILE_READ_ERROR_s, lpszPath, IDS_ERROR, MB_YESNO);
LocalFree(hBuffer);
return(hGroup);
}
/***********************************************************************
*
* GRPFILE_ReadFileToBuffer
*/
static BOOL GRPFILE_ReadFileToBuffer(LPCSTR path, HLOCAL *phBuffer,
INT *piSize)
{
INT len, size;
LPSTR buffer;
HLOCAL hBuffer, hNewBuffer;
HFILE file;
file=_lopen(path, OF_READ);
if (file == HFILE_ERROR) return FALSE;
size = 0;
hBuffer = LocalAlloc(LMEM_FIXED, size + MALLOCHUNK + 1);
if (!hBuffer) return FALSE;
buffer = LocalLock(hBuffer);
while ((len = _lread(file, buffer + size, MALLOCHUNK))
== MALLOCHUNK)
{
size += len;
hNewBuffer = LocalReAlloc(hBuffer, size + MALLOCHUNK + 1,
LMEM_FIXED);
if (!hNewBuffer)
{
LocalFree(hBuffer);
return FALSE;
}
hBuffer = hNewBuffer;
buffer = LocalLock(hBuffer);
}
_lclose(file);
if (len == HFILE_ERROR)
{
LocalFree(hBuffer);
return FALSE;
}
size += len;
buffer[size] = 0;
*phBuffer = hBuffer;
*piSize = size;
return TRUE;
}
/***********************************************************************
* GRPFILE_ScanGroup
*/
static HLOCAL GRPFILE_ScanGroup(LPCSTR buffer, INT size,
LPCSTR lpszGrpFile,
BOOL bModifiedFileName)
{
HLOCAL hGroup;
INT i, seqnum;
LPCSTR extension;
LPCSTR lpszName;
INT x, y, width, height, iconx, icony, nCmdShow;
INT number_of_programs;
BOOL bOverwriteFileOk;
if (buffer[0] != 'P' || buffer[1] != 'M') return(0);
if (buffer[2] == 'C' && buffer[3] == 'C')
/* original with checksum */
bOverwriteFileOk = FALSE;
else if (buffer[2] == 'X' && buffer[3] == 'X')
/* modified without checksum */
bOverwriteFileOk = TRUE;
else return(0);
/* checksum = GET_USHORT(buffer, 4) (ignored) */
extension = buffer + GET_USHORT(buffer, 6);
if (extension == buffer + size) extension = 0;
else if (extension + 6 > buffer + size) return(0);
nCmdShow = GET_USHORT(buffer, 8);
x = GET_SHORT(buffer, 10);
y = GET_SHORT(buffer, 12);
width = GET_USHORT(buffer, 14);
height = GET_USHORT(buffer, 16);
iconx = GET_SHORT(buffer, 18);
icony = GET_SHORT(buffer, 20);
lpszName = buffer + GET_USHORT(buffer, 22);
if (lpszName >= buffer + size) return(0);
/* unknown bytes 24 - 31 ignored */
/*
Unknown bytes should be:
wLogPixelsX = GET_SHORT(buffer, 24);
wLogPixelsY = GET_SHORT(buffer, 26);
byBitsPerPixel = byte at 28;
byPlanes = byte at 29;
wReserved = GET_SHORT(buffer, 30);
*/
hGroup = GROUP_AddGroup(lpszName, lpszGrpFile, nCmdShow, x, y,
width, height, iconx, icony,
bModifiedFileName, bOverwriteFileOk,
TRUE);
if (!hGroup) return(0);
number_of_programs = GET_USHORT(buffer, 32);
if (2 * number_of_programs + 34 > size) return(0);
for (i=0, seqnum=0; i < number_of_programs; i++, seqnum++)
{
LPCSTR program_ptr = buffer + GET_USHORT(buffer, 34 + 2*i);
if (program_ptr + 24 > buffer + size) return(0);
if (!GET_USHORT(buffer, 34 + 2*i)) continue;
if (!GRPFILE_ScanProgram(buffer, size, program_ptr, seqnum,
extension, hGroup, lpszGrpFile))
{
GROUP_DeleteGroup(hGroup);
return(0);
}
}
/* FIXME shouldn't be necessary */
GROUP_ShowGroupWindow(hGroup);
return hGroup;
}
/***********************************************************************
* GRPFILE_ScanProgram
*/
static HLOCAL GRPFILE_ScanProgram(LPCSTR buffer, INT size,
LPCSTR program_ptr, INT seqnum,
LPCSTR extension, HLOCAL hGroup,
LPCSTR lpszGrpFile)
{
INT icontype;
HICON hIcon;
LPCSTR lpszName, lpszCmdLine, lpszIconFile, lpszWorkDir;
LPCSTR iconinfo_ptr, iconANDbits_ptr, iconXORbits_ptr;
INT x, y, nIconIndex, iconANDsize, iconXORsize;
INT nHotKey, nCmdShow;
CURSORICONINFO iconinfo;
x = GET_SHORT(program_ptr, 0);
y = GET_SHORT(program_ptr, 2);
nIconIndex = GET_USHORT(program_ptr, 4);
/* FIXME is this correct ?? */
icontype = GET_USHORT(program_ptr, 6);
switch (icontype)
{
default:
MAIN_MessageBoxIDS_s(IDS_UNKNOWN_FEATURE_s, lpszGrpFile,
IDS_WARNING, MB_OK);
case 0x048c:
iconXORsize = GET_USHORT(program_ptr, 8);
iconANDsize = GET_USHORT(program_ptr, 10) / 8;
iconinfo_ptr = buffer + GET_USHORT(program_ptr, 12);
iconXORbits_ptr = buffer + GET_USHORT(program_ptr, 14);
iconANDbits_ptr = buffer + GET_USHORT(program_ptr, 16);
iconinfo.ptHotSpot.x = GET_USHORT(iconinfo_ptr, 0);
iconinfo.ptHotSpot.y = GET_USHORT(iconinfo_ptr, 2);
iconinfo.nWidth = GET_USHORT(iconinfo_ptr, 4);
iconinfo.nHeight = GET_USHORT(iconinfo_ptr, 6);
iconinfo.nWidthBytes = GET_USHORT(iconinfo_ptr, 8);
iconinfo.bPlanes = GET_USHORT(iconinfo_ptr, 10);
iconinfo.bBitsPerPixel = GET_USHORT(iconinfo_ptr, 11);
break;
case 0x000c:
iconANDsize = GET_USHORT(program_ptr, 8);
iconXORsize = GET_USHORT(program_ptr, 10);
iconinfo_ptr = buffer + GET_USHORT(program_ptr, 12);
iconANDbits_ptr = buffer + GET_USHORT(program_ptr, 14);
iconXORbits_ptr = buffer + GET_USHORT(program_ptr, 16);
iconinfo.ptHotSpot.x = GET_USHORT(iconinfo_ptr, 0);
iconinfo.ptHotSpot.y = GET_USHORT(iconinfo_ptr, 2);
iconinfo.nWidth = GET_USHORT(iconinfo_ptr, 4);
iconinfo.nHeight = GET_USHORT(iconinfo_ptr, 6);
iconinfo.nWidthBytes = GET_USHORT(iconinfo_ptr, 8) * 8;
iconinfo.bPlanes = GET_USHORT(iconinfo_ptr, 10);
iconinfo.bBitsPerPixel = GET_USHORT(iconinfo_ptr, 11);
}
if (iconANDbits_ptr + iconANDsize > buffer + size ||
iconXORbits_ptr + iconXORsize > buffer + size) return(0);
hIcon = CreateCursorIconIndirect(Globals.hInstance, &iconinfo,
(LPSTR)iconANDbits_ptr,
(LPSTR)iconXORbits_ptr);
lpszName = buffer + GET_USHORT(program_ptr, 18);
lpszCmdLine = buffer + GET_USHORT(program_ptr, 20);
lpszIconFile = buffer + GET_USHORT(program_ptr, 22);
if (iconinfo_ptr + 6 > buffer + size ||
lpszName > buffer + size ||
lpszCmdLine > buffer + size ||
lpszIconFile > buffer + size) return(0);
/* Scan Extensions */
lpszWorkDir = "";
nHotKey = 0;
nCmdShow = SW_SHOWNORMAL;
if (extension)
{
LPCSTR ptr = extension;
while (ptr + 6 <= buffer + size)
{
UINT type = GET_USHORT(ptr, 0);
UINT number = GET_USHORT(ptr, 2);
UINT skip = GET_USHORT(ptr, 4);
if (number == seqnum)
{
switch (type)
{
case 0x8000:
if (ptr + 10 > buffer + size) return(0);
if (ptr[6] != 'P' || ptr[7] != 'M' ||
ptr[8] != 'C' || ptr[9] != 'C') return(0);
break;
case 0x8101:
lpszWorkDir = ptr + 6;
break;
case 0x8102:
if (ptr + 8 > buffer + size) return(0);
nHotKey = GET_USHORT(ptr, 6);
break;
case 0x8103:
if (ptr + 8 > buffer + size) return(0);
nCmdShow = GET_USHORT(ptr, 6);
break;
default:
MAIN_MessageBoxIDS_s(IDS_UNKNOWN_FEATURE_s,
lpszGrpFile, IDS_WARNING, MB_OK);
}
}
if (!skip) break;
ptr += skip;
}
}
return (PROGRAM_AddProgram(hGroup, hIcon, lpszName, x, y,
lpszCmdLine, lpszIconFile,
nIconIndex, lpszWorkDir,
nHotKey, nCmdShow));
}
/***********************************************************************
*
* GRPFILE_WriteGroupFile
*/
BOOL GRPFILE_WriteGroupFile(HLOCAL hGroup)
{
CHAR szPath[MAX_PATHNAME_LEN];
GROUP *group = LocalLock(hGroup);
OFSTRUCT dummy;
HFILE file;
BOOL ret;
GRPFILE_ModifyFileName(szPath, LocalLock(group->hGrpFile),
MAX_PATHNAME_LEN,
group->bFileNameModified);
/* Try not to overwrite original files */
/* group->bOverwriteFileOk == TRUE only if a file has the modified format */
if (!group->bOverwriteFileOk &&
OpenFile(szPath, &dummy, OF_EXIST) != HFILE_ERROR)
{
/* Original file exists, try `.gr' extension */
GRPFILE_ModifyFileName(szPath, LocalLock(group->hGrpFile),
MAX_PATHNAME_LEN, TRUE);
if (OpenFile(szPath, &dummy, OF_EXIST) != HFILE_ERROR)
{
/* File exists. Do not overwrite */
MAIN_MessageBoxIDS_s(IDS_FILE_NOT_OVERWRITTEN_s, szPath,
IDS_INFO, MB_OK);
return FALSE;
}
/* Inform about the modified file name */
if (IDCANCEL ==
MAIN_MessageBoxIDS_s(IDS_SAVE_GROUP_AS_s, szPath, IDS_INFO,
MB_OKCANCEL | MB_ICONINFORMATION))
return FALSE;
}
{
/* Warn about the incompatibility */
CHAR msg[MAX_PATHNAME_LEN + 200];
wsprintf(msg,
"Group files written by this DRAFT Program Manager "
"cannot be read by the Microsoft Program Manager!!\n"
"Are you sure to write %s?", szPath);
if (IDOK != MessageBox(Globals.hMainWnd, msg, "WARNING",
MB_OKCANCEL | MB_DEFBUTTON2)) return FALSE;
}
/* FIXME */
if (OpenFile(szPath, &dummy, OF_EXIST) == HFILE_ERROR)
{
CHAR msg[MAX_PATHNAME_LEN + 200];
wsprintf(msg, "Cause of a bug you must now touch the file %s\n", szPath);
MessageBox(Globals.hMainWnd, msg, "", MB_OK);
}
/* Open file */
file = _lopen(szPath, OF_WRITE);
if (file != HFILE_ERROR)
{
ret = GRPFILE_DoWriteGroupFile(file, group);
_lclose(file);
}
else ret = FALSE;
if (!ret)
MAIN_MessageBoxIDS_s(IDS_FILE_WRITE_ERROR_s, szPath, IDS_ERROR, MB_OK);
return(ret);
}
/***********************************************************************
*
* GRPFILE_CalculateSizes
*/
static VOID GRPFILE_CalculateSizes(PROGRAM *program,
INT *Progs, INT *Icons)
{
CURSORICONINFO *iconinfo = LocalLock(program->hIcon);
INT sizeXor = iconinfo->nHeight * iconinfo->nWidthBytes;
INT sizeAnd = iconinfo->nHeight * ((iconinfo->nWidth + 15) / 16 * 2);
*Progs += 24;
*Progs += lstrlen(LocalLock(program->hName)) + 1;
*Progs += lstrlen(LocalLock(program->hCmdLine)) + 1;
*Progs += lstrlen(LocalLock(program->hIconFile)) + 1;
*Icons += 12; /* IconInfo */
*Icons += sizeAnd;
*Icons += sizeXor;
}
/***********************************************************************
*
* GRPFILE_DoWriteGroupFile
*/
static BOOL GRPFILE_DoWriteGroupFile(HFILE file, GROUP *group)
{
BYTE buffer[34];
HLOCAL hProgram;
INT NumProg, Title, Progs, Icons, Extension;
INT CurrProg, CurrIcon, nCmdShow, ptr, seqnum;
BOOL need_extension;
LPCSTR lpszTitle = LocalLock(group->hName);
/* Calculate offsets */
NumProg = 0;
Icons = 0;
Extension = 0;
need_extension = FALSE;
hProgram = group->hPrograms;
while(hProgram)
{
PROGRAM *program = LocalLock(hProgram);
LPCSTR lpszWorkDir = LocalLock(program->hWorkDir);
NumProg++;
GRPFILE_CalculateSizes(program, &Icons, &Extension);
/* Set a flag if an extension is needed */
if (lpszWorkDir[0] || program->nHotKey ||
program->nCmdShow != SW_SHOWNORMAL) need_extension = TRUE;
hProgram = program->hNext;
}
Title = 34 + NumProg * 2;
Progs = Title + lstrlen(lpszTitle) + 1;
Icons += Progs;
Extension += Icons;
/* Header */
buffer[0] = 'P';
buffer[1] = 'M';
#if 0
buffer[2] = 'C'; /* Original magic number */
buffer[3] = 'C';
#else
buffer[2] = 'X'; /* Modified magic number: no checksum */
buffer[3] = 'X';
#endif
PUT_SHORT(buffer, 4, 0); /* Checksum ignored */
PUT_SHORT(buffer, 6, Extension);
/* Update group->nCmdShow */
if (IsIconic(group->hWnd)) nCmdShow = SW_SHOWMINIMIZED;
else if (IsZoomed(group->hWnd)) nCmdShow = SW_SHOWMAXIMIZED;
else nCmdShow = SW_SHOWNORMAL;
PUT_SHORT(buffer, 8, nCmdShow);
PUT_SHORT(buffer, 10, group->x);
PUT_SHORT(buffer, 12, group->y);
PUT_SHORT(buffer, 14, group->width);
PUT_SHORT(buffer, 16, group->height);
PUT_SHORT(buffer, 18, group->iconx);
PUT_SHORT(buffer, 20, group->icony);
PUT_SHORT(buffer, 22, Title);
PUT_SHORT(buffer, 24, 0x0020); /* unknown */
PUT_SHORT(buffer, 26, 0x0020); /* unknown */
PUT_SHORT(buffer, 28, 0x0108); /* unknown */
PUT_SHORT(buffer, 30, 0x0000); /* unknown */
PUT_SHORT(buffer, 32, NumProg);
if (HFILE_ERROR == _lwrite(file, buffer, 34)) return FALSE;
/* Program table */
CurrProg = Progs;
CurrIcon = Icons;
hProgram = group->hPrograms;
while(hProgram)
{
PROGRAM *program = LocalLock(hProgram);
PUT_SHORT(buffer, 0, CurrProg);
if (HFILE_ERROR == _lwrite(file, buffer, 2)) return FALSE;
GRPFILE_CalculateSizes(program, &CurrProg, &CurrIcon);
hProgram = program->hNext;
}
/* Title */
if (HFILE_ERROR == _lwrite(file, lpszTitle, lstrlen(lpszTitle) + 1))
return FALSE;
/* Program entries */
CurrProg = Progs;
CurrIcon = Icons;
hProgram = group->hPrograms;
while(hProgram)
{
PROGRAM *program = LocalLock(hProgram);
CURSORICONINFO *iconinfo = LocalLock(program->hIcon);
LPCSTR Name = LocalLock(program->hName);
LPCSTR CmdLine = LocalLock(program->hCmdLine);
LPCSTR IconFile = LocalLock(program->hIconFile);
INT sizeXor = iconinfo->nHeight * iconinfo->nWidthBytes;
INT sizeAnd = iconinfo->nHeight * ((iconinfo->nWidth + 15) / 16 * 2);
PUT_SHORT(buffer, 0, program->x);
PUT_SHORT(buffer, 2, program->y);
PUT_SHORT(buffer, 4, program->nIconIndex);
PUT_SHORT(buffer, 6, 0x048c); /* unknown */
PUT_SHORT(buffer, 8, sizeXor);
PUT_SHORT(buffer, 10, sizeAnd * 8);
PUT_SHORT(buffer, 12, CurrIcon);
PUT_SHORT(buffer, 14, CurrIcon + 12 + sizeAnd);
PUT_SHORT(buffer, 16, CurrIcon + 12);
ptr = CurrProg + 24;
PUT_SHORT(buffer, 18, ptr);
ptr += lstrlen(Name) + 1;
PUT_SHORT(buffer, 20, ptr);
ptr += lstrlen(CmdLine) + 1;
PUT_SHORT(buffer, 22, ptr);
if (HFILE_ERROR == _lwrite(file, buffer, 24) ||
HFILE_ERROR == _lwrite(file, Name, lstrlen(Name) + 1) ||
HFILE_ERROR == _lwrite(file, CmdLine, lstrlen(CmdLine) + 1) ||
HFILE_ERROR == _lwrite(file, IconFile, lstrlen(IconFile) + 1))
return FALSE;
GRPFILE_CalculateSizes(program, &CurrProg, &CurrIcon);
hProgram = program->hNext;
}
/* Icons */
hProgram = group->hPrograms;
while(hProgram)
{
PROGRAM *program = LocalLock(hProgram);
CURSORICONINFO *iconinfo = LocalLock(program->hIcon);
SEGPTR XorBits, AndBits;
INT sizeXor = iconinfo->nHeight * iconinfo->nWidthBytes;
INT sizeAnd = iconinfo->nHeight * ((iconinfo->nWidth + 15) / 16 * 2);
DumpIcon(LocalLock(program->hIcon), 0, &XorBits, &AndBits);
PUT_SHORT(buffer, 0, iconinfo->ptHotSpot.x);
PUT_SHORT(buffer, 2, iconinfo->ptHotSpot.y);
PUT_SHORT(buffer, 4, iconinfo->nWidth);
PUT_SHORT(buffer, 6, iconinfo->nHeight);
PUT_SHORT(buffer, 8, iconinfo->nWidthBytes);
buffer[10] = iconinfo->bPlanes;
buffer[11] = iconinfo->bBitsPerPixel;
if (HFILE_ERROR == _lwrite(file, buffer, 12) ||
HFILE_ERROR == _lwrite(file, AndBits, sizeAnd) ||
HFILE_ERROR == _lwrite(file, XorBits, sizeXor)) return FALSE;
hProgram = program->hNext;
}
if (need_extension)
{
/* write `PMCC' extension */
PUT_SHORT(buffer, 0, 0x8000);
PUT_SHORT(buffer, 2, 0xffff);
PUT_SHORT(buffer, 4, 0x000a);
buffer[6] = 'P', buffer[7] = 'M';
buffer[8] = 'C', buffer[9] = 'C';
if (HFILE_ERROR == _lwrite(file, buffer, 10)) return FALSE;
seqnum = 0;
hProgram = group->hPrograms;
while(hProgram)
{
PROGRAM *program = LocalLock(hProgram);
LPCSTR lpszWorkDir = LocalLock(program->hWorkDir);
/* Working directory */
if (lpszWorkDir[0])
{
PUT_SHORT(buffer, 0, 0x8101);
PUT_SHORT(buffer, 2, seqnum);
PUT_SHORT(buffer, 4, 7 + lstrlen(lpszWorkDir));
if (HFILE_ERROR == _lwrite(file, buffer, 6) ||
HFILE_ERROR == _lwrite(file, lpszWorkDir, lstrlen(lpszWorkDir) + 1))
return FALSE;
}
/* Hot key */
if (program->nHotKey)
{
PUT_SHORT(buffer, 0, 0x8102);
PUT_SHORT(buffer, 2, seqnum);
PUT_SHORT(buffer, 4, 8);
PUT_SHORT(buffer, 6, program->nHotKey);
if (HFILE_ERROR == _lwrite(file, buffer, 8)) return FALSE;
}
/* Show command */
if (program->nCmdShow)
{
PUT_SHORT(buffer, 0, 0x8103);
PUT_SHORT(buffer, 2, seqnum);
PUT_SHORT(buffer, 4, 8);
PUT_SHORT(buffer, 6, program->nCmdShow);
if (HFILE_ERROR == _lwrite(file, buffer, 8)) return FALSE;
}
seqnum++;
hProgram = program->hNext;
}
/* Write `End' extension */
PUT_SHORT(buffer, 0, 0xffff);
PUT_SHORT(buffer, 2, 0xffff);
PUT_SHORT(buffer, 4, 0x0000);
if (HFILE_ERROR == _lwrite(file, buffer, 6)) return FALSE;
}
return TRUE;
}
/* Local Variables: */
/* c-file-style: "GNU" */
/* End: */
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