Windows-Server-2003/sdktools/xerox/group.c

412 lines
9.5 KiB
C

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