412 lines
9.5 KiB
C
412 lines
9.5 KiB
C
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#include "xerox.h"
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#include "group.h"
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PGROUP pGroups = NULL;
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LPSTR pszCurrentGroup = NULL;
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/*
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* Adds the names of all defined groups to the listbox/combo box given.
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*
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* Returns TRUE if success and there are >0 groups defined.
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*/
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BOOL GroupListInit(
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HWND hwnd,
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BOOL fIsCB)
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{
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UINT addStringMsg = LB_ADDSTRING;
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PGROUP pGroup;
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if (pGroups == NULL) {
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return(FALSE);
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}
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if (fIsCB) {
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addStringMsg = CB_ADDSTRING;
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}
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pGroup = pGroups;
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while (pGroup) {
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SendMessage(hwnd, addStringMsg, 0, (LONG_PTR)pGroup->pszName);
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pGroup = pGroup->next;
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}
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return(TRUE);
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}
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BOOL DeleteGroupDefinition(
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LPSTR szName)
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{
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PGROUP pGroup, pGroupPrev;
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PTITLELIST ptl;
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pGroupPrev = NULL;
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pGroup = pGroups;
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while (pGroup) {
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if (!_stricmp(pGroup->pszName, szName)) {
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if (pGroupPrev == NULL) {
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pGroups = pGroup->next;
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} else {
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pGroupPrev->next = pGroup->next;
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}
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while (pGroup->ptl != NULL) {
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ptl = pGroup->ptl;
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pGroup->ptl = ptl->next;
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Free(ptl->pszTitle);
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Free(ptl->pszClass);
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Free(ptl);
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}
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Free(pGroup);
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if (pGroups != NULL) {
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pszCurrentGroup = pGroups->pszName;
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} else {
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pszCurrentGroup = NULL;
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}
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return(TRUE);
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}
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pGroupPrev = pGroup;
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pGroup = pGroup->next;
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}
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return(FALSE);
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}
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BOOL AddGroupDefinition(
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LPSTR szName,
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HWND hwndList)
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{
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PGROUP pGroup, pGroupEnd;
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PTITLELIST ptl;
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HWND hwnd;
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int cItems, cb;
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char szClass[MAX_STRING_BYTES];
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/*
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* Don't allow duplicate groups.
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* This is how an existing group can be replaced.
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*/
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DeleteGroupDefinition(szName);
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pGroup = Alloc(sizeof(GROUP));
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if (pGroup == NULL) {
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return(FALSE);
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}
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pGroup->pszName = Alloc(strlen(szName) + 1);
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if (pGroup->pszName == NULL) {
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Free(pGroup);
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return(FALSE);
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}
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strcpy(pGroup->pszName, szName);
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pGroup->ptl = NULL;
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cItems = (int)SendMessage(hwndList, LB_GETCOUNT, 0, 0);
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while (cItems--) {
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ptl = Alloc(sizeof(TITLELIST));
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if (ptl != NULL) {
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cb = (int)SendMessage(hwndList, LB_GETTEXTLEN, cItems, 0);
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if (cb) {
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ptl->pszTitle = Alloc(cb + 1);
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if (ptl->pszTitle != NULL) {
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SendMessage(hwndList, LB_GETTEXT, cItems, (LONG_PTR)ptl->pszTitle);
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hwnd = (HWND)SendMessage(hwndList, LB_GETITEMDATA, cItems, 0);
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GetClassName(hwnd, szClass, sizeof(szClass));
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ptl->pszClass = Alloc(strlen(szClass) + 1);
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if (ptl->pszClass != NULL) {
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strcpy(ptl->pszClass, szClass);
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ptl->next = pGroup->ptl;
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pGroup->ptl = ptl;
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} else {
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Free(ptl->pszTitle);
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Free(ptl);
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}
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} else{
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Free(ptl);
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}
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} else {
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Free(ptl);
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}
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}
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}
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if (pGroup->ptl == NULL) {
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Free(pGroup);
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return(FALSE);
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}
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/*
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* Put it on the end of the list. This is an awkward attempt
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* at making the initial group the first group defined. Probably
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* should save this info in the registry.
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*/
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pGroup->next = NULL;
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if (pGroups != NULL) {
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pGroupEnd = pGroups;
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while (pGroupEnd->next != NULL) {
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pGroupEnd = pGroupEnd->next;
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}
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pGroupEnd->next = pGroup;
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} else {
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pGroups = pGroup;
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}
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pszCurrentGroup = pGroup->pszName;
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return(TRUE);
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}
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BOOL SelectGroupDefinition(
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LPSTR szName,
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HWND hwndList,
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BOOL DisplayMissingWin)
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{
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PGROUP pGroup;
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HWND hwndAdd;
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PTITLELIST ptl;
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if (szName == NULL) {
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return(FALSE);
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}
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pGroup = FindGroup(szName);
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if (pGroup == NULL) {
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return(FALSE);
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}
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while (SendMessage(hwndList, LB_GETCOUNT, 0, 0)) {
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SendMessage(hwndList, LB_DELETESTRING, 0, 0);
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}
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ptl = pGroup->ptl;
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while (ptl) {
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hwndAdd = FindWindow(ptl->pszClass, ptl->pszTitle);
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if (DisplayMissingWin || (hwndAdd != NULL)) {
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if (hwndAdd == NULL) {
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hwndAdd = INVALID_HANDLE_VALUE;
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}
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AddLBItemhwnd(hwndList, ptl->pszTitle, (LONG_PTR)hwndAdd);
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}
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ptl = ptl->next;
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}
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pszCurrentGroup = pGroup->pszName;
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return(TRUE);
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}
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LPSTR GetCurrentGroup()
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{
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return(pszCurrentGroup);
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}
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VOID SetNoCurrentGroup(HWND hwnd, LPSTR szTitle)
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{
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SetWindowText(hwnd, szTitle);
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pszCurrentGroup = NULL;
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}
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PGROUP FindGroup(
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LPSTR szName)
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{
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PGROUP pGroup;
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pGroup = pGroups;
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while (pGroup) {
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if (!_stricmp(szName, pGroup->pszName)) {
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return(pGroup);
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}
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pGroup = pGroup->next;
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}
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return(NULL);
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}
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int CountGroups()
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{
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PGROUP pGroup;
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int c = 0;
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pGroup = pGroups;
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while (pGroup) {
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c++;
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pGroup = pGroup->next;
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}
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return(c);
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}
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VOID SaveGroups()
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{
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DWORD cbSave = 1; // for last NULL terminator.
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int cTitles;
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PGROUP pGroup;
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LPSTR pBuf, psz;
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LPWORD pw;
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HKEY hKey;
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PTITLELIST ptl;
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if (ERROR_SUCCESS !=
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RegCreateKey(HKEY_CURRENT_USER,
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"Software\\Microsoft\\Xerox", &hKey)) {
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return;
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}
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pGroup = pGroups;
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while (pGroup) {
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cbSave += strlen(pGroup->pszName) + 1;
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ptl = pGroup->ptl;
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while (ptl) {
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cbSave += strlen(ptl->pszTitle) + 2 + strlen(ptl->pszClass) + 2;
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ptl = ptl->next;
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}
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pGroup = pGroup->next;
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}
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if (cbSave == 0) {
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return;
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}
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pBuf = psz = Alloc(cbSave);
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if (pBuf == NULL) {
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return;
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}
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RegSetValueEx(hKey, "Groups", 0, REG_MULTI_SZ, "\0\0", 2);
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pGroup = pGroups;
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while (pGroup) {
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strcpy(psz, pGroup->pszName);
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psz += strlen(psz) + 1;
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ptl = pGroup->ptl;
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while (ptl) {
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*psz++ = '\t';
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strcpy(psz, ptl->pszTitle);
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psz += strlen(psz) + 1;
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*psz++ = '\t';
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strcpy(psz, ptl->pszClass);
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psz += strlen(psz) + 1;
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ptl = ptl->next;
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}
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pGroup = pGroup->next;
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}
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*psz = '\0'; // double NULL terminate last string.
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RegSetValueEx(hKey, "Groups", 0, REG_MULTI_SZ, pBuf, cbSave);
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RegCloseKey(hKey);
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Free(pBuf);
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}
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VOID FreeGroups()
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{
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PTITLELIST ptl;
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PGROUP pGroup;
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pszCurrentGroup = NULL;
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while (pGroups) {
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while (pGroups->ptl) {
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ptl = pGroups->ptl;
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Free(ptl->pszTitle);
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Free(ptl->pszClass);
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pGroups->ptl = ptl->next;
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Free(ptl);
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}
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pGroup = pGroups;
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pGroups = pGroups->next;
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Free(pGroup);
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}
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}
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VOID LoadGroups()
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{
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int cTitles;
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HKEY hKey;
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DWORD cbLoad = 0;
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DWORD dwType;
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LPSTR pBuf, psz;
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PTITLELIST ptl;
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PGROUP pGroup, pGroupEnd = NULL;
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FreeGroups();
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if (ERROR_SUCCESS !=
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RegOpenKey(HKEY_CURRENT_USER, "Software\\Microsoft\\Xerox", &hKey)) {
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return;
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}
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RegQueryValueEx(hKey, "Groups", 0, &dwType, NULL, &cbLoad);
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if (dwType != REG_MULTI_SZ) {
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RegCloseKey(hKey);
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return;
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}
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if (cbLoad) {
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pBuf = psz = Alloc(cbLoad);
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if (pBuf == NULL) {
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return;
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}
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if (ERROR_SUCCESS != RegQueryValueEx(hKey, "Groups", 0, &dwType, pBuf, &cbLoad)) {
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Free(pBuf);
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return;
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}
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while (*psz) {
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pGroup = Alloc(sizeof(GROUP));
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if (pGroup == NULL) {
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Free(pBuf);
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return;
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}
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pGroup->pszName = Alloc(strlen(psz) + 1);
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if (pGroup->pszName == NULL) {
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Free(pBuf);
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Free(pGroup);
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return;
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}
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strcpy(pGroup->pszName, psz);
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pGroup->ptl = NULL;
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psz += strlen(psz) + 1;
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while (*psz == '\t') {
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psz++;
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ptl = Alloc(sizeof(TITLELIST));
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if (ptl == NULL) {
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Free(pBuf);
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return;
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}
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ptl->pszTitle = Alloc(strlen(psz));
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if (ptl->pszTitle == NULL) {
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Free(pBuf);
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Free(ptl);
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return;
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}
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strcpy(ptl->pszTitle, psz);
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psz += strlen(psz) + 2;
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ptl->pszClass = Alloc(strlen(psz));
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if (ptl->pszClass == NULL) {
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Free(pBuf);
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Free(ptl);
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return;
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}
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strcpy(ptl->pszClass, psz);
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psz += strlen(psz) + 1;
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ptl->next = pGroup->ptl;
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pGroup->ptl = ptl;
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}
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/*
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* Restore groups to origional order.
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*/
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if (pGroupEnd == NULL) {
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pGroups = pGroup;
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pGroupEnd = pGroup;
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} else {
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pGroupEnd->next = pGroup;
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pGroupEnd = pGroup;
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}
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pGroup->next = NULL;
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}
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Free(pBuf);
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/*
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* Set default current group to first in list.
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*/
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if (pGroups != NULL) {
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pszCurrentGroup = pGroups->pszName;
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}
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}
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}
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