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windows-nt/Source/XPSP1/NT/shell/applets/taskmgr/userpage.cpp

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//+-------------------------------------------------------------------------
//
// TaskMan - NT TaskManager
// Copyright (C) Microsoft
//
// File: userpage.cpp
//
// History: 07-July-1999 BradG Created
//
//--------------------------------------------------------------------------
#include "precomp.h"
#include <wtsapi32.h>
#include <security.h>
#include <winsta.h>
#include <utildll.h>
#include "userdlgs.h"
#include <crt\tchar.h>
#define IsActiveConsoleSession() (USER_SHARED_DATA->ActiveConsoleId == NtCurrentPeb()->SessionId)
CUserColSelectDlg ColSelectDlg;
//
// The following arrays map WTS sessions state codes into strings
//
#define MAX_STAT_STRINGS 4
#define FIRST_STAT_STRING IDS_STAT_ACTIVE
LPTSTR g_pszStatString[MAX_STAT_STRINGS];
const int g_aWTSStateToString[] = {
(IDS_STAT_ACTIVE - FIRST_STAT_STRING), // WTSActive
(IDS_STAT_UNKNOWN - FIRST_STAT_STRING), // WTSConnected
(IDS_STAT_UNKNOWN - FIRST_STAT_STRING), // WTSConnectQuery
(IDS_STAT_SHADOW - FIRST_STAT_STRING), // WTSShadow
(IDS_STAT_DISCONNECT - FIRST_STAT_STRING), // WTSDisconnected
(IDS_STAT_UNKNOWN - FIRST_STAT_STRING), // Waiting for client to connect
(IDS_STAT_UNKNOWN - FIRST_STAT_STRING), // WinStation is listening for connection
(IDS_STAT_UNKNOWN - FIRST_STAT_STRING), // WinStation is being reset
(IDS_STAT_UNKNOWN - FIRST_STAT_STRING), // WinStation is down due to error
(IDS_STAT_UNKNOWN - FIRST_STAT_STRING) // WinStation in initialization
};
/*++ class CUserInfo
Class Description:
Represents the last known information about a running task
Arguments:
Return Value:
Revision History:
Nov-29-95 BradG Created
Mar-23-00 a-skuzin Revised
--*/
class CUserInfo
{
public:
DWORD m_dwSessionId;
BOOL m_fShowDomainName;
TCHAR m_szUserName[USERNAME_LENGTH + 1];
TCHAR m_szDomainName[DOMAIN_LENGTH + 1];
TCHAR m_szClientName[CLIENTNAME_LENGTH + 1 ];
LPTSTR m_pszWinStaName;
WTS_CONNECTSTATE_CLASS m_wtsState;
LARGE_INTEGER m_uPassCount;
//
// This is a union of which attribute is dirty. You can look at
// or set any particular column's bit, or just inspect m_fDirty
// to see if anyone at all is dirty. Used to optimize listview
// painting
//
union
{
DWORD m_fDirty;
struct
{
DWORD m_fDirty_COL_USERNAME :1;
DWORD m_fDirty_COL_USERSESSIONID :1;
DWORD m_fDirty_COL_SESSIONSTATUS :1;
DWORD m_fDirty_COL_CLIENTNAME :1;
DWORD m_fDirty_COL_WINSTANAME :1;
};
};
HRESULT SetData(
LPTSTR lpszClientName,
LPTSTR lpszWinStaName,
WTS_CONNECTSTATE_CLASS wtsState,
BOOL fShowDomainName,
LARGE_INTEGER uPassCount,
BOOL fUpdateOnly);
CUserInfo()
{
ZeroMemory(this, sizeof(*this));
}
~CUserInfo()
{
if (m_pszWinStaName)
{
LocalFree(m_pszWinStaName);
m_pszWinStaName = NULL;
}
}
INT Compare(CUserInfo * pOther);
private:
//
// Column ID on which to sort in the listview, and for
// compares in general
//
static USERCOLUMNID m_iUserSortColumnID;
static INT m_iUserSortDirection; // 1 = asc, -1 = desc
public:
static void SetUserSortColumnID(USERCOLUMNID id)
{
m_iUserSortColumnID = id;
m_iUserSortDirection = 1;
}
static USERCOLUMNID GetUserSortColumnID()
{
return m_iUserSortColumnID;
}
static void SwitchUserSortDirection()
{
m_iUserSortDirection *= -1;
}
};
USERCOLUMNID CUserInfo::m_iUserSortColumnID = USR_COL_USERSNAME;
INT CUserInfo::m_iUserSortDirection = 1; // 1 = asc, -1 = desc
void Shadow(HWND, CUserInfo * );
/*++ class CUserInfo::Compare
Class Description:
Compares this CUserInfo object to another, and returns its ranking
based on the g_iUserSortColumnID field.
Arguments:
pOther - the CUserInfo object to compare this to
Return Value:
< 0 - This CUserInfo is "less" than the other
0 - Equal (Can't happen, since HWND is secondary sort)
> 0 - This CUserInfo is "greater" than the other
Revision History:
Nov-29-95 BradG Created
--*/
INT CUserInfo::Compare(CUserInfo * pOther)
{
INT iRet;
switch (m_iUserSortColumnID)
{
case USR_COL_USERSNAME:
if (g_Options.m_fShowDomainNames)
{
iRet = lstrcmpi(this->m_szDomainName, pOther->m_szDomainName);
if (iRet != 0)
break;
}
iRet = lstrcmpi(this->m_szUserName, pOther->m_szUserName);
break;
case USR_COL_USERSESSION_ID:
iRet = Compare64(this->m_dwSessionId, pOther->m_dwSessionId);
break;
case USR_COL_SESSION_STATUS:
Assert(g_pszStatString[g_aWTSStateToString[this->m_wtsState]]);
Assert(g_pszStatString[g_aWTSStateToString[pOther->m_wtsState]]);
iRet = lstrcmpi(
g_pszStatString[g_aWTSStateToString[this->m_wtsState]],
g_pszStatString[g_aWTSStateToString[pOther->m_wtsState]]
);
break;
case USR_COL_WINSTA_NAME:
iRet = lstrcmpi(
(this->m_pszWinStaName) ? this->m_pszWinStaName : TEXT(""),
(pOther->m_pszWinStaName) ? pOther->m_pszWinStaName : TEXT("")
);
break;
case USR_COL_CLIENT_NAME:
iRet = lstrcmpi(
(this->m_wtsState != WTSDisconnected) ? this->m_szClientName : TEXT(""),
(pOther->m_wtsState != WTSDisconnected) ? pOther->m_szClientName : TEXT("")
);
break;
default:
Assert(0 && "Invalid task sort column");
iRet = 0;
break;
}
return (iRet * m_iUserSortDirection);
}
// REVIEW (Davepl) The next three functions have very close parallels
// in the process page code. Consider generalizing them to eliminate
// duplication
/*++ InsertIntoSortedArray
Class Description:
Sticks a CUserInfo ptr into the ptrarray supplied at the
appropriate location based on the current sort column (which
is used by the Compare member function)
Arguments:
pArray - The CPtrArray to add to
pProc - The CUserInfo object to add to the array
Return Value:
TRUE if successful, FALSE if fails
Revision History:
Nov-20-95 BradG Created
--*/
// REVIEW (davepl) Use binary insert here, not linear
BOOL InsertIntoSortedArray(CPtrArray * pArray, CUserInfo * pUser)
{
INT cItems = pArray->GetSize();
for (INT iIndex = 0; iIndex < cItems; iIndex++)
{
CUserInfo * pTmp = (CUserInfo *) pArray->GetAt(iIndex);
if (pUser->Compare(pTmp) < 0)
{
return pArray->InsertAt(iIndex, pUser);
}
}
return pArray->Add(pUser);
}
/*++ ResortUserArray
Function Description:
Creates a new ptr array sorted in the current sort order based
on the old array, and then replaces the old with the new
Arguments:
ppArray - The CPtrArray to resort
Return Value:
TRUE if successful, FALSE if fails
Revision History:
Nov-21-95 BradG Created
--*/
BOOL ResortUserArray(CPtrArray ** ppArray)
{
// Create a new array which will be sorted in the new
// order and used to replace the existing array
CPtrArray * pNew = new CPtrArray(GetProcessHeap());
if (NULL == pNew)
{
return FALSE;
}
// Insert each of the existing items in the old array into
// the new array in the correct spot
INT cItems = (*ppArray)->GetSize();
for (int i = 0; i < cItems; i++)
{
CUserInfo * pItem = (CUserInfo *) (*ppArray)->GetAt(i);
if (FALSE == InsertIntoSortedArray(pNew, pItem))
{
delete pNew;
return FALSE;
}
}
// Kill off the old array, replace it with the new
delete (*ppArray);
(*ppArray) = pNew;
return TRUE;
}
//*****************************************************************************
//class CUserPage
//*****************************************************************************
CUserPage::~CUserPage()
{
RemoveAllUsers();
delete m_pUserArray;
}
void CUserPage::RemoveAllUsers()
{
if (m_pUserArray)
{
INT c = m_pUserArray->GetSize();
while (c)
{
delete (CUserInfo *) (m_pUserArray->GetAt(c - 1));
c--;
}
}
}
/*++ CUserPage::UpdateUserListview
Class Description:
Walks the listview and checks to see if each line in the
listview matches the corresponding entry in our process
array. Those which differe by HWND are replaced, and those
that need updating are updated.
Items are also added and removed to/from the tail of the
listview as required.
Arguments:
Return Value:
HRESULT
Revision History:
Nov-29-95 BradG Created
--*/
HRESULT CUserPage::UpdateUserListview()
{
HWND hListView = GetDlgItem(m_hPage, IDC_USERLIST);
// Stop repaints while we party on the listview
SendMessage(hListView, WM_SETREDRAW, FALSE, 0);
INT cListViewItems = ListView_GetItemCount(hListView);
INT CUserArrayItems = m_pUserArray->GetSize();
//
// Walk the existing lines in the listview and replace/update
// them as needed
//
for (INT iCurrent = 0;
iCurrent < cListViewItems && iCurrent < CUserArrayItems;
iCurrent++)
{
LV_ITEM lvitem = { 0 };
TCHAR szDisplayName[ USERNAME_LENGTH + 1 + DOMAIN_LENGTH + 1 ];
lvitem.mask = LVIF_PARAM | LVIF_TEXT | LVIF_IMAGE;
lvitem.iItem = iCurrent;
if (FALSE == ListView_GetItem(hListView, &lvitem))
{
SendMessage(hListView, WM_SETREDRAW, TRUE, 0);
return E_FAIL;
}
CUserInfo * pTmp = (CUserInfo *) lvitem.lParam;
CUserInfo * pUser = (CUserInfo *) m_pUserArray->GetAt(iCurrent);
if (pTmp != pUser || pUser->m_fDirty)
{
// If the objects aren't the same, we need to replace this line
if (g_Options.m_fShowDomainNames)
{
lstrcpy(szDisplayName, pUser->m_szDomainName);
lstrcat(szDisplayName, TEXT("\\"));
}
else
{
*szDisplayName = TEXT('\0');
}
lstrcat(szDisplayName, pUser->m_szUserName);
lvitem.pszText = szDisplayName;
lvitem.lParam = (LPARAM) pUser;
if (g_dwMySessionId == pUser->m_dwSessionId)
{
lvitem.iImage = m_iCurrentUserIcon;
}
else
{
lvitem.iImage = m_iUserIcon;
}
ListView_SetItem(hListView, &lvitem);
ListView_RedrawItems(hListView, iCurrent, iCurrent);
pUser->m_fDirty = 0;
}
}
//
// We've either run out of listview items or run out of User array
// entries, so remove/add to the listview as appropriate
//
while (iCurrent < cListViewItems)
{
// Extra items in the listview (processes gone away), so remove them
ListView_DeleteItem(hListView, iCurrent);
cListViewItems--;
}
while (iCurrent < CUserArrayItems)
{
// Need to add new items to the listview (new user appeared)
CUserInfo * pUser = (CUserInfo *)m_pUserArray->GetAt(iCurrent);
LV_ITEM lvitem = { 0 };
TCHAR szDisplayName[ USERNAME_LENGTH + 1 + DOMAIN_LENGTH + 1 ];
lvitem.mask = LVIF_PARAM | LVIF_TEXT | LVIF_IMAGE;
lvitem.iItem = iCurrent;
lvitem.lParam = (LPARAM) pUser;
if (g_Options.m_fShowDomainNames)
{
lstrcpy(szDisplayName, pUser->m_szDomainName);
lstrcat(szDisplayName, TEXT("\\"));
}
else
{
*szDisplayName = TEXT('\0');
}
lstrcat(szDisplayName, pUser->m_szUserName);
lvitem.pszText = szDisplayName;
if (g_dwMySessionId == pUser->m_dwSessionId)
lvitem.iImage = m_iCurrentUserIcon;
else
lvitem.iImage = m_iUserIcon;
// The first item added (actually, every 0 to 1 count transition) gets
// selected and focused
if (iCurrent == 0)
{
lvitem.state = LVIS_SELECTED | LVIS_FOCUSED;
lvitem.stateMask = lvitem.state;
lvitem.mask |= LVIF_STATE;
}
ListView_InsertItem(hListView, &lvitem);
pUser->m_fDirty = 0;
iCurrent++;
}
// Let the listview paint again
SendMessage(hListView, WM_SETREDRAW, TRUE, 0);
return S_OK;
}
/*++ CUserPage::GetSelectedUsers
Routine Description:
Returns a CPtrArray of the selected tasks
Arguments:
Return Value:
CPtrArray on success, NULL on failure
Revision History:
Dec-01-95 BradG Created
--*/
CPtrArray * CUserPage::GetSelectedUsers()
{
BOOL fSuccess = TRUE;
//
// Get the count of selected items
//
HWND hUserList = GetDlgItem(m_hPage, IDC_USERLIST);
INT cItems = ListView_GetSelectedCount(hUserList);
if (0 == cItems)
{
return NULL;
}
//
// Create a CPtrArray to hold the task items
//
CPtrArray * pArray = new CPtrArray(GetProcessHeap());
if (NULL == pArray)
{
return NULL;
}
INT iLast = -1;
for (INT i = 0; i < cItems; i++)
{
//
// Get the Nth selected item
//
INT iItem = ListView_GetNextItem(hUserList, iLast, LVNI_SELECTED);
if (-1 == iItem)
{
fSuccess = FALSE;
break;
}
iLast = iItem;
//
// Pull the item from the listview and add it to the selected array
//
LV_ITEM lvitem = { LVIF_PARAM };
lvitem.iItem = iItem;
if (ListView_GetItem(hUserList, &lvitem))
{
LPVOID pUser = (LPVOID) (lvitem.lParam);
if (FALSE == pArray->Add(pUser))
{
fSuccess = FALSE;
break;
}
}
else
{
fSuccess = FALSE;
break;
}
}
//
// Any errors, clean up the array and bail. We don't release the
// tasks in the array, since they are owned by the listview.
//
if (FALSE == fSuccess && NULL != pArray)
{
delete pArray;
return NULL;
}
return pArray;
}
/*++ CProcPage::HandleUserListContextMenu
Routine Description:
Handles right-clicks (context menu) in the task list
Arguments:
xPos, yPos - coords of where the click occurred
Return Value:
Revision History:
Dec-01-95 BradG Created
--*/
void CUserPage::HandleUserListContextMenu(INT xPos, INT yPos)
{
HWND hUserList = GetDlgItem(m_hPage, IDC_USERLIST);
CPtrArray * pArray = GetSelectedUsers();
if (pArray)
{
// If non-mouse-based context menu, use the currently selected
// item as the coords
if (0xFFFF == LOWORD(xPos) && 0xFFFF == LOWORD(yPos))
{
int iSel = ListView_GetNextItem(hUserList, -1, LVNI_SELECTED);
RECT rcItem;
ListView_GetItemRect(hUserList, iSel, &rcItem, LVIR_ICON);
MapWindowRect(hUserList, NULL, &rcItem);
xPos = rcItem.right;
yPos = rcItem.bottom;
}
HMENU hPopup = LoadPopupMenu(g_hInstance, IDR_USER_CONTEXT);
if (hPopup)
{
SetMenuDefaultItem(hPopup, IDM_SENDMESSAGE, FALSE);
//
//If our current session is a console session,
//we cannot do remote control
//
if(IsActiveConsoleSession())
{
EnableMenuItem(hPopup, IDM_REMOTECONTROL, MF_GRAYED | MF_DISABLED | MF_BYCOMMAND);
}
//
// If multiple-selection, disable the items that require single
// selections to make sense
//
if (pArray->GetSize() > 1)
{
EnableMenuItem(hPopup, IDM_REMOTECONTROL, MF_GRAYED | MF_DISABLED | MF_BYCOMMAND);
EnableMenuItem(hPopup, IDM_CONNECT, MF_GRAYED | MF_DISABLED | MF_BYCOMMAND);
}
//
// See if we have our own session selected
//
for (int i = 0; i < pArray->GetSize(); i++)
{
CUserInfo * pUser = (CUserInfo *) pArray->GetAt(i);
if (g_dwMySessionId == pUser->m_dwSessionId)
{
//
// The current session is in the list
//
EnableMenuItem(hPopup, IDM_REMOTECONTROL, MF_GRAYED | MF_DISABLED | MF_BYCOMMAND);
EnableMenuItem(hPopup, IDM_CONNECT, MF_GRAYED | MF_DISABLED | MF_BYCOMMAND);
if (SHRestricted(REST_NODISCONNECT))
{
EnableMenuItem(hPopup, IDM_DISCONNECT, MF_GRAYED | MF_DISABLED | MF_BYCOMMAND);
}
if (pArray->GetSize() == 1)
{
//
// My session is the only one selected
//
EnableMenuItem(hPopup, IDM_SENDMESSAGE, MF_GRAYED | MF_DISABLED | MF_BYCOMMAND);
}
}
if (pUser->m_wtsState == WTSDisconnected)
{
// EnableMenuItem(hPopup, IDM_REMOTECONTROL, MF_GRAYED | MF_DISABLED | MF_BYCOMMAND);
EnableMenuItem(hPopup, IDM_DISCONNECT, MF_GRAYED | MF_DISABLED | MF_BYCOMMAND);
}
}
Pause();
g_fInPopup = TRUE;
TrackPopupMenuEx(hPopup, 0, xPos, yPos, m_hPage, NULL);
g_fInPopup = FALSE;
// Note that we don't "unpause" until one of the menu commands (incl CANCEL) is
// selected or the menu is dismissed
DestroyMenu(hPopup);
}
delete pArray;
}
else
{
// Nothing is selected
//BRADG: Do we want to put a select all command?
}
}
/*++ CUserPage::UpdateUIState
Routine Description:
Updates the enabled/disabled states, etc., of the task UI
Arguments:
Return Value:
Revision History:
Dec-04-95 BradG Created
--*/
// Controls which are enabled only for any selection
static const UINT g_aUserSingleIDs[] =
{
IDM_DISCONNECT,
IDM_LOGOFF,
IDM_SENDMESSAGE
};
void CUserPage::UpdateUIState()
{
INT i;
// Set the state for controls which require a selection (1 or more items)
for (i = 0; i < ARRAYSIZE(g_aUserSingleIDs); i++)
{
EnableWindow(GetDlgItem(m_hPage, g_aUserSingleIDs[i]), m_cSelected > 0);
}
CPtrArray * pArray = GetSelectedUsers();
if (pArray)
{
//
// See if we have our own session selected
//
for (int i = 0; i < pArray->GetSize(); i++)
{
CUserInfo * pUser = (CUserInfo *) pArray->GetAt(i);
if (g_dwMySessionId == pUser->m_dwSessionId)
{
if (SHRestricted(REST_NODISCONNECT))
{
EnableWindow(GetDlgItem(m_hPage, IDM_DISCONNECT), FALSE);
}
if (pArray->GetSize() == 1)
{
//
// My session is the only one selected
//
EnableWindow(GetDlgItem(m_hPage, IDM_SENDMESSAGE), FALSE);
}
}
if (pUser->m_wtsState == WTSDisconnected)
{
EnableWindow(GetDlgItem(m_hPage, IDM_DISCONNECT), FALSE);
}
}
delete pArray;
}
}
/*++ CUserPage::HandleUserPageNotify
Routine Description:
Processes WM_NOTIFY messages received by the taskpage dialog
Arguments:
hWnd - Control that generated the WM_NOTIFY
pnmhdr - Ptr to the NMHDR notification stucture
Return Value:
BOOL "did we handle it" code
Revision History:
Nov-29-95 BradG Created
--*/
INT CUserPage::HandleUserPageNotify(HWND hWnd, LPNMHDR pnmhdr)
{
switch(pnmhdr->code)
{
// If the (selection) state of an item is changing, see if
// the count has changed, and if so, update the UI
case LVN_ITEMCHANGED:
{
const NM_LISTVIEW * pnmv = (const NM_LISTVIEW *) pnmhdr;
if (pnmv->uChanged & LVIF_STATE)
{
UINT cSelected = ListView_GetSelectedCount(GetDlgItem(m_hPage, IDC_USERLIST));
if (cSelected != m_cSelected)
{
m_cSelected = cSelected;
UpdateUIState();
}
}
break;
}
case LVN_COLUMNCLICK:
{
// User clicked a header control, so set the sort column. If its the
// same as the current sort column, just invert the sort direction in
// the column. Then resort the task array
const NM_LISTVIEW * pnmv = (const NM_LISTVIEW *) pnmhdr;
LV_COLUMN lvcolumn;
lvcolumn.mask=LVCF_SUBITEM;
if(!ListView_GetColumn(GetDlgItem(m_hPage, IDC_USERLIST),
pnmv->iSubItem, &lvcolumn))
{
break;
}
if (CUserInfo::GetUserSortColumnID() == lvcolumn.iSubItem)
{
CUserInfo::SwitchUserSortDirection();
}
else
{
CUserInfo::SetUserSortColumnID((USERCOLUMNID)lvcolumn.iSubItem);
}
ResortUserArray(&m_pUserArray);
TimerEvent();
break;
}
case LVN_GETDISPINFO:
{
LV_ITEM * plvitem = &(((LV_DISPINFO *) pnmhdr)->item);
// Listview needs a text string
if (plvitem->mask & LVIF_TEXT)
{
LV_COLUMN lvcolumn;
lvcolumn.mask=LVCF_SUBITEM;
if(!ListView_GetColumn(GetDlgItem(m_hPage, IDC_USERLIST),
plvitem->iSubItem, &lvcolumn))
{
break;
}
USERCOLUMNID columnid = (USERCOLUMNID) lvcolumn.iSubItem;
const CUserInfo * pUserInfo = (const CUserInfo *) plvitem->lParam;
switch(columnid)
{
case USR_COL_USERSNAME:
{
INT cchTextMax = plvitem->cchTextMax;
LPTSTR pszText = plvitem->pszText;
plvitem->mask |= LVIF_DI_SETITEM;
if (g_Options.m_fShowDomainNames)
{
INT len =lstrlen(pUserInfo->m_szDomainName);
lstrcpyn(pszText, pUserInfo->m_szDomainName, cchTextMax);
pszText += len;
cchTextMax -= len;
if (cchTextMax < 0)
break;
lstrcpyn(pszText, TEXT("\\"), cchTextMax);
pszText++;
cchTextMax--;
if (cchTextMax < 0)
break;
}
lstrcpyn(pszText, pUserInfo->m_szUserName, cchTextMax);
break;
}
case USR_COL_USERSESSION_ID:
wsprintf(plvitem->pszText, TEXT("%d"), (ULONG) (pUserInfo->m_dwSessionId));
break;
case USR_COL_SESSION_STATUS:
Assert(g_pszStatString[g_aWTSStateToString[pUserInfo->m_wtsState]]);
lstrcpyn(
plvitem->pszText,
g_pszStatString[g_aWTSStateToString[pUserInfo->m_wtsState]],
plvitem->cchTextMax
);
break;
case USR_COL_CLIENT_NAME:
lstrcpyn(
plvitem->pszText,
(pUserInfo->m_wtsState != WTSDisconnected) ? pUserInfo->m_szClientName : TEXT(""),
plvitem->cchTextMax
);
break;
case USR_COL_WINSTA_NAME:
lstrcpyn(
plvitem->pszText,
(pUserInfo->m_pszWinStaName) ? pUserInfo->m_pszWinStaName : TEXT(""),
plvitem->cchTextMax
);
break;
default:
Assert( 0 && "Unknown listview subitem" );
break;
} // end switch(columnid)
} // end LVIF_TEXT case
} // end LVN_GETDISPINFO case
} // end switch(pnmhdr->code)
return 1;
}
/*++ CUserPage::TimerEvent
Routine Description:
Called by main app when the update time fires. Walks every window
in the system (on every desktop, in every windowstation) and adds
or updates it in the task array, then removes any stale processes,
and filters the results into the listview
Arguments:
Return Value:
Revision History:
Nov-29-95 BradG Created
--*/
VOID CUserPage::TimerEvent()
{
//
// If this page is paused (ie: it has a context menu up, etc), we do
// nothing
//
if (m_fPaused)
{
return;
}
static LARGE_INTEGER uPassCount = {0, 0};
// BRADG: This should be done on a separate thread
PWTS_SESSION_INFO pSession;
DWORD nSessions;
DWORD dwSize;
LPTSTR pszClientName;
LPTSTR pszUserName;
LPTSTR pszDomainName;
HRESULT hr;
BOOL b;
BOOL bDelete;
INT i;
DWORD j;
CUserInfo *pNewUser;
b = WTSEnumerateSessions(
WTS_CURRENT_SERVER_HANDLE,
0,
1,
&pSession,
&nSessions);
if ( b )
{
i = 0;
while (i < m_pUserArray->GetSize())
{
CUserInfo * pUserInfo = (CUserInfo *)(m_pUserArray->GetAt(i));
ASSERT(pUserInfo);
//
// See if this item has a matching session. If so, update it.
//
bDelete = FALSE;
for (j = 0; j < nSessions; j++)
{
if (pUserInfo->m_dwSessionId == pSession[j].SessionId)
{
break;
}
}
if (j < nSessions)
{
// This session is still alive. See what it's doing
switch( pSession[j].State )
{
case WTSActive:
case WTSDisconnected:
case WTSShadow:
//
//If we log off user from disconnected session 0
//it does not change its state but remains disconnected
//we must not display disconnected session 0 if nobody
//is logged on to it.
//
b = WTSQuerySessionInformation(
WTS_CURRENT_SERVER_HANDLE,
pSession[j].SessionId,
WTSUserName,
&pszUserName,
&dwSize
);
if (!b || pszUserName == NULL)
{
bDelete = TRUE;
pSession[j].State = WTSIdle; //see "MAJOR HACK" below
break;
}
//
//pszUserName[0] == 0 - means that nobody is logged on to session 0.
//It might also happen, though very unlikely, that session number got
//reused by some other user while taskmgr was busy doing something.
//In this case we'll treat this session as a new one
//
if(lstrcmp(pUserInfo->m_szUserName,pszUserName))
{
bDelete = TRUE;
if(pszUserName[0] == 0)
{
pSession[j].State = WTSIdle; //see "MAJOR HACK" below
}
}
WTSFreeMemory(pszUserName);
pszUserName = NULL;
if(bDelete)
{
break;
}
//
// It's still doing something interesting, so go and
// update the item's status
//
pszClientName = NULL;
b = WTSQuerySessionInformation(
WTS_CURRENT_SERVER_HANDLE,
pSession[j].SessionId,
WTSClientName,
&pszClientName,
&dwSize
);
hr = pUserInfo->SetData(
(pszClientName == NULL) ? TEXT("") : pszClientName,
pSession[j].pWinStationName,
pSession[j].State,
g_Options.m_fShowDomainNames,
uPassCount,
TRUE
);
if (pszClientName)
{
// Free the ClientName buffer
WTSFreeMemory(pszClientName);
pszClientName = NULL;
}
//
// MAJOR HACK -- Set the State to WTSIdle so we skip it
// when we check for new sessions.
//
pSession[j].State = WTSIdle;
break;
default:
// It's no longer in a state we care about, delete it.
bDelete = TRUE;
break;
}
}
else
{
// The list item doesn't have any matching information, so this means
// that the user probably has logged off. Delete it.
bDelete = TRUE;
}
if (bDelete)
{
// This item needs to be deleted from the list.
delete pUserInfo;
m_pUserArray->RemoveAt(i, 1);
//
// Loop back without incrementing i.
//
continue;
}
i++;
}
// Now that we updated all entries in the m_pUserArray, we need double
// check the session data to see if we have any new sessions. See the
// MAJOR HACK comment above. We change the state of all updated
// sessions to WTSIdle so we skip them in the loop below.
for (j = 0; j < nSessions; j++)
{
switch( pSession[j].State )
{
case WTSActive:
case WTSDisconnected:
case WTSShadow:
//
// OK, we've discovered a NEW session that's in a
// state that we care about. Add it to the list.
//
pNewUser = new CUserInfo;
if (pNewUser == NULL)
{
// Not much we can do here.
break;
}
pNewUser->m_dwSessionId = pSession[j].SessionId;
// BRADG: See about writing this as a loop
//
// Query all the cool info about the session.
//
b = WTSQuerySessionInformation(
WTS_CURRENT_SERVER_HANDLE,
pSession[j].SessionId,
WTSClientName,
&pszClientName,
&dwSize
);
if (!b)
{
delete pNewUser;
break;
}
hr = pNewUser->SetData(
(pszClientName == NULL) ? TEXT("") : pszClientName,
pSession[j].pWinStationName,
pSession[j].State,
g_Options.m_fShowDomainNames,
uPassCount,
FALSE
);
if (pszClientName != NULL)
{
WTSFreeMemory(pszClientName);
pszClientName = NULL;
}
if (FAILED(hr))
{
delete pNewUser;
break;
}
b = WTSQuerySessionInformation(
WTS_CURRENT_SERVER_HANDLE,
pSession[j].SessionId,
WTSUserName,
&pszUserName,
&dwSize
);
if (!b || pszUserName == NULL)
{
delete pNewUser;
break;
}
//
//This is case of disconnected session 0
//when nobody is logged on.
//
if(pszUserName[0] == 0)
{
WTSFreeMemory(pszUserName);
pszUserName = NULL;
delete pNewUser;
break;
}
lstrcpy(pNewUser->m_szUserName, pszUserName);
WTSFreeMemory(pszUserName);
pszUserName = NULL;
b = WTSQuerySessionInformation(
WTS_CURRENT_SERVER_HANDLE,
pSession[j].SessionId,
WTSDomainName,
&pszDomainName,
&dwSize
);
if (!b || pszDomainName == NULL)
{
delete pNewUser;
break;
}
lstrcpy(pNewUser->m_szDomainName, pszDomainName);
WTSFreeMemory(pszDomainName);
pszDomainName = NULL;
pNewUser->m_fDirty = 1;
// All went well, so add it to the array
if (!(m_pUserArray->Add( (LPVOID) pNewUser)))
{
delete pNewUser;
}
break;
default:
// Don't care about this one.
break;
}
}
// Free up the memory allocated on the WTSEnumerateSessions call
WTSFreeMemory( pSession );
pSession = NULL;
}
UpdateUserListview();
uPassCount.QuadPart++;
}
/*++ class CUserInfo::SetData
Class Description:
Updates (or initializes) the info about a running task
Arguments:
uPassCount- Current passcount, used to timestamp the last update of
this object
fUpdate - only worry about information that can change during a
task's lifetime
Return Value:
HRESULT
Revision History:
Nov-16-95 BradG Created
--*/
HRESULT CUserInfo::SetData(
LPTSTR lpszClientName,
LPTSTR lpszWinStaName,
WTS_CONNECTSTATE_CLASS wtsState,
BOOL fShowDomainName,
LARGE_INTEGER uPassCount,
BOOL fUpdateOnly)
{
HRESULT hr = S_OK;
m_uPassCount.QuadPart = uPassCount.QuadPart;
//
// For each of the fields, we check to see if anything has changed, and if
// so, we mark that particular column as having changed, and update the value.
// This allows me to opimize which fields of the listview to repaint, since
// repainting an entire listview column causes flicker and looks bad in
// general
//
// WinStation
if (!fUpdateOnly || lstrcmp(m_pszWinStaName, lpszWinStaName))
{
LPTSTR pszOld = m_pszWinStaName;
m_pszWinStaName = (LPTSTR) LocalAlloc( 0, (lstrlen(lpszWinStaName) + 1) * sizeof(TCHAR));
if (NULL == m_pszWinStaName)
{
m_pszWinStaName = pszOld;
hr = E_OUTOFMEMORY;
}
else
{
lstrcpy(m_pszWinStaName, lpszWinStaName);
m_fDirty_COL_WINSTANAME = TRUE;
if (pszOld)
LocalFree(pszOld);
}
}
// Client Name
Assert(lpszClientName != NULL);
if (lstrcmp(m_szClientName, lpszClientName))
{
lstrcpy(m_szClientName, lpszClientName);
m_fDirty_COL_CLIENTNAME = TRUE;
}
// Session Status
if (wtsState != m_wtsState) {
m_wtsState = wtsState;
m_fDirty_COL_SESSIONSTATUS = TRUE;
}
// Domain Name Status
if (fShowDomainName != m_fShowDomainName)
{
m_fShowDomainName = fShowDomainName;
m_fDirty_COL_USERNAME = TRUE;
}
return hr;
}
/*++ CUserPage::SizeUserPage
Routine Description:
Sizes its children based on the size of the
tab control on which it appears.
Arguments:
Return Value:
Revision History:
Nov-29-95 BradG Created
--*/
static const INT aUserControls[] =
{
IDM_DISCONNECT,
IDM_LOGOFF,
IDM_SENDMESSAGE
};
void CUserPage::SizeUserPage()
{
// Get the coords of the outer dialog
RECT rcParent;
GetClientRect(m_hPage, &rcParent);
HDWP hdwp = BeginDeferWindowPos(10);
// Calc the deltas in the x and y positions that we need to
// move each of the child controls
RECT rcMaster;
HWND hwndMaster = GetDlgItem(m_hPage, IDM_SENDMESSAGE);
GetWindowRect(hwndMaster, &rcMaster);
MapWindowPoints(HWND_DESKTOP, m_hPage, (LPPOINT) &rcMaster, 2);
INT dx = ((rcParent.right - g_DefSpacing * 2) - rcMaster.right);
INT dy = ((rcParent.bottom - g_DefSpacing * 2) - rcMaster.bottom);
// Size the listbox
HWND hwndListbox = GetDlgItem(m_hPage, IDC_USERLIST);
RECT rcListbox;
GetWindowRect(hwndListbox, &rcListbox);
MapWindowPoints(HWND_DESKTOP, m_hPage, (LPPOINT) &rcListbox, 2);
INT lbX = rcMaster.right - rcListbox.left + dx;
INT lbY = rcMaster.top - rcListbox.top + dy - g_DefSpacing;
DeferWindowPos(hdwp, hwndListbox, NULL,
0, 0,
lbX,
lbY,
SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE);
// Move each of the child controls by the above delta
for (int i = 0; i < ARRAYSIZE(aUserControls); i++)
{
HWND hwndCtrl = GetDlgItem(m_hPage, aUserControls[i]);
RECT rcCtrl;
GetWindowRect(hwndCtrl, &rcCtrl);
MapWindowPoints(HWND_DESKTOP, m_hPage, (LPPOINT) &rcCtrl, 2);
DeferWindowPos(hdwp, hwndCtrl, NULL,
rcCtrl.left + dx,
rcCtrl.top + dy,
0, 0,
SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE);
}
EndDeferWindowPos(hdwp);
}
/*++ CUserPage::HandleWMCOMMAND
Routine Description:
Handles WM_COMMANDS received at the main page dialog
Arguments:
id - Command id of command received
Return Value:
Revision History:
Dec-01-95 BradG Created
--*/
void CUserPage::HandleWMCOMMAND(INT id)
{
int iResult;
INT i;
INT iFinalOne = -1;
BOOL bFinalOne = FALSE;
BOOL bNeedToRefresh = FALSE;
DWORD dwSize;
LPTSTR psz;
TCHAR szCaption[ MAX_PATH ];
TCHAR szText1[ MAX_PATH * 2 ];
TCHAR szText2[ MAX_PATH * 2 ];
LoadString(g_hInstance, IDS_APPTITLE, szCaption, MAX_PATH);
CPtrArray * pArray = GetSelectedUsers();
if (!pArray)
{
//Assert( 0 && "WM_COMMAND but nothing selected" );
goto done;
}
if (id == IDM_SENDMESSAGE)
{
CSendMessageDlg SMDlg;
if(SMDlg.DoDialog(m_hwndTabs)!=IDOK)
{
goto done;
}
lstrcpy(szText1,SMDlg.GetTitle());
lstrcpy(szText2,SMDlg.GetMessage());
}
else if (id == IDM_LOGOFF || id == IDM_DISCONNECT)
{
//
// Verify this is what the user wants done
//
LoadString(
g_hInstance,
(id == IDM_LOGOFF) ? IDS_WARN_LOGOFF : IDS_WARN_DISCONNECT,
szText1,
MAX_PATH * 2
);
iResult = MessageBox(m_hwndTabs, szText1, szCaption, MB_YESNO | MB_DEFBUTTON2 | MB_ICONEXCLAMATION);
if (iResult == IDNO)
goto done;
}
BOOL b;
for( i = 0; i < pArray->GetSize(); i++ )
{
finalretry:
CUserInfo * pUser = (CUserInfo *) pArray->GetAt(i);
if (pUser == NULL)
{
Assert(0);
if (bFinalOne)
break; // Bail out, nothing left to process
else
continue; // try the next one
}
retry:
b = TRUE;
switch(id)
{
case IDM_SENDMESSAGE:
b = WTSSendMessage(
WTS_CURRENT_SERVER_HANDLE,
pUser->m_dwSessionId,
szText1,
lstrlen(szText1) * sizeof(TCHAR),
szText2,
lstrlen(szText2) * sizeof(TCHAR),
MB_OK | MB_TOPMOST | MB_ICONINFORMATION,
0, // ignored
&dwSize, // ignored, but it won't accept a NULL
FALSE
);
break;
case IDM_DISCONNECT:
if (g_dwMySessionId == pUser->m_dwSessionId && !bFinalOne)
{
// I don't want to kill of myself before everything else is complete,
// so I'll set a flag and skip myself for now.
iFinalOne = i;
continue;
}
b = WTSDisconnectSession(
WTS_CURRENT_SERVER_HANDLE,
pUser->m_dwSessionId,
FALSE
);
if (b)
bNeedToRefresh = TRUE;
break;
case IDM_LOGOFF:
if (g_dwMySessionId == pUser->m_dwSessionId && !bFinalOne)
{
// I don't want to kill of myself before everything else is complete,
// so I'll set a flag and skip myself for now.
iFinalOne = i;
continue;
}
b = WTSLogoffSession(
WTS_CURRENT_SERVER_HANDLE,
pUser->m_dwSessionId,
FALSE
);
if (b)
bNeedToRefresh = TRUE;
break;
case IDM_CONNECT:
{
TCHAR szPassword[ PASSWORD_LENGTH + 1 ];
BOOL bFirstTime = TRUE;
HANDLE hServer = WTS_CURRENT_SERVER_HANDLE;
// Start the connect loop with null password to try first.
szPassword[0] = '\0';
for( ;; )
{
DWORD Error;
BOOL fRet;
DWORD cch;
LPWSTR pszErrString;
fRet = WinStationConnect(hServer, pUser->m_dwSessionId, LOGONID_CURRENT, szPassword, TRUE);
if( fRet )
break; // success - break out of loop
Error = GetLastError();
// If a 'logon failure' brought us here, issue password dialog.
if(Error == ERROR_LOGON_FAILURE)
{
UINT ids = ( bFirstTime ? IDS_PWDDLG_USER : IDS_PWDDLG_USER2 );
CConnectPasswordDlg CPDlg( ids );
bFirstTime = FALSE;
if (CPDlg.DoDialog(m_hwndTabs) != IDOK)
{
break; // user CANCEL: break connect loop
}
else
{
lstrcpy( szPassword, CPDlg.GetPassword( ) );
continue; // try again with new password.
}
}
//
// Unhandled error occured. Pop up a message box and then bail the loop.
//
LoadString(g_hInstance, IDS_ERR_CONNECT, szText2, MAX_PATH);
// Retrieve system string for error.
cch = FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER
| FORMAT_MESSAGE_FROM_SYSTEM
| FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
Error,
0,
(LPWSTR) &pszErrString,
0,
NULL
);
if ( cch == 0 )
{
pszErrString = L'\0';
}
_snwprintf( szText1, sizeof(szText1)/sizeof(szText1[0]), szText2, Error, pszErrString );
MessageBox( m_hwndTabs, szText1, szCaption, MB_OK | MB_ICONEXCLAMATION );
if ( cch != 0 )
{
LocalFree( pszErrString );
}
break; // exit
}
//
// Destroy the password.
//
ZeroMemory( szPassword, sizeof(szPassword) );
}
break;
case IDM_REMOTECONTROL:
Shadow(m_hwndTabs, pUser);
break;
}
if (!b)
{
DWORD dwLastError = GetLastError();
UINT uiStr = 0;
//
// An error happened while processing the command
//
switch (id)
{
case IDM_DISCONNECT:
uiStr = IDS_ERR_DISCONNECT;
break;
case IDM_LOGOFF:
uiStr = IDS_ERR_LOGOFF;
break;
case IDM_SENDMESSAGE:
uiStr = IDS_ERR_SENDMESSAGE;
break;
}
if (uiStr)
{
LoadString(g_hInstance, uiStr, szText1, MAX_PATH * 2);
wsprintf(szText2, szText1, pUser->m_szUserName, pUser->m_dwSessionId);
}
else
{
*szText1 = TEXT('\0');
}
psz = szText2 + lstrlen(szText2);
dwSize = MAX_PATH * 2 - lstrlen(szText2);
FormatMessage(
FORMAT_MESSAGE_FROM_SYSTEM,
NULL,
dwLastError,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
psz,
dwSize,
NULL
);
iResult = MessageBox(
m_hwndTabs,
szText2,
szCaption,
MB_ICONSTOP | MB_ABORTRETRYIGNORE
);
if (iResult == IDCANCEL || iResult == IDABORT)
goto done;
else if (iResult == IDRETRY)
goto retry;
}
// Break out of the loop if we just went back to handle
// the special case of performing a disconnect or logoff
// on our own session.
if (bFinalOne)
break;
} // next i;
// Check here to see if we skiped our own session
if (iFinalOne != -1 && !bFinalOne)
{
// Yep, we skipped ourself. Lets put i back to the
// right location and try again.
bFinalOne = TRUE;
i = iFinalOne;
goto finalretry;
}
done:
if (pArray)
delete pArray;
Unpause();
// If we disconnected or logged off a user, go ahead and
// refresh the list. It should be up to date by now.
if (bNeedToRefresh)
{
TimerEvent();
}
}
/*++ UserPageProc
Routine Description:
Dialogproc for the task manager page.
Arguments:
hwnd - handle to dialog box
uMsg - message
wParam - first message parameter
lParam - second message parameter
Return Value:
For WM_INITDIALOG, TRUE == user32 sets focus, FALSE == we set focus
For others, TRUE == this proc handles the message
Revision History:
Nov-28-95 BradG Created
--*/
INT_PTR CALLBACK UserPageProc(
HWND hwnd, // handle to dialog box
UINT uMsg, // message
WPARAM wParam, // first message parameter
LPARAM lParam // second message parameter
)
{
CUserPage * thispage = (CUserPage *) GetWindowLongPtr(hwnd, GWLP_USERDATA);
// See if the parent wants this message
if (TRUE == CheckParentDeferrals(uMsg, wParam, lParam))
{
return TRUE;
}
switch(uMsg)
{
case WM_INITDIALOG:
{
SetWindowLongPtr(hwnd, GWLP_USERDATA, lParam);
CUserPage * thispage = (CUserPage *) lParam;
thispage->OnInitDialog(hwnd);
// We handle focus during Activate(). Return FALSE here so the
// dialog manager doesn't try to set focus.
return FALSE;
}
// We need to fake client mouse clicks in this child to appear as nonclient
// (caption) clicks in the parent so that the user can drag the entire app
// when the title bar is hidden by dragging the client area of this child
case WM_LBUTTONUP:
case WM_LBUTTONDOWN:
{
if (g_Options.m_fNoTitle)
{
SendMessage(g_hMainWnd,
uMsg == WM_LBUTTONUP ? WM_NCLBUTTONUP : WM_NCLBUTTONDOWN,
HTCAPTION,
lParam);
}
break;
}
case WM_COMMAND:
{
if(LOWORD(wParam) == IDM_USERCOLS)
{
if(ColSelectDlg.DoDialog(hwnd) == IDOK)
{
// Set up the columns in the listview
if (SUCCEEDED(thispage->SetupColumns()))
{
thispage->TimerEvent();
}
}
}
else
{
thispage->HandleWMCOMMAND(LOWORD(wParam));
}
break;
}
case WM_NOTIFY:
{
return thispage->HandleUserPageNotify((HWND) wParam, (LPNMHDR) lParam);
}
case WM_MENUSELECT:
{
if ((UINT) HIWORD(wParam) == 0xFFFF)
{
// Menu dismissed, resume display
thispage->Unpause();
}
break;
}
case WM_CONTEXTMENU:
{
if ((HWND) wParam == GetDlgItem(hwnd, IDC_USERLIST))
{
thispage->HandleUserListContextMenu(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
return TRUE;
}
break;
}
// Size our kids
case WM_SIZE:
{
thispage->SizeUserPage();
return TRUE;
}
case WM_SETTINGCHANGE:
thispage->OnSettingsChange();
// fall through
case WM_SYSCOLORCHANGE:
SendMessage(GetDlgItem(hwnd, IDC_USERLIST), uMsg, wParam, lParam);
return TRUE;
default:
return FALSE;
}
return FALSE;
}
void CUserPage::OnInitDialog(HWND hPage)
{
m_hPage = hPage;
HWND hUserList = GetDlgItem(m_hPage, IDC_USERLIST);
ListView_SetImageList(hUserList, m_himlUsers, LVSIL_SMALL);
// Turn on SHOWSELALWAYS so that the selection is still highlighted even
// when focus is lost to one of the buttons (for example)
SetWindowLong(hUserList, GWL_STYLE, GetWindowLong(hUserList, GWL_STYLE) | LVS_SHOWSELALWAYS);
//SubclassListView(GetDlgItem(m_hPage, IDC_USERLIST));
}
void CUserPage::OnSettingsChange()
{
// in going between large-font settings and normal settings, the size of small
// icons changes; so throw away all our icons and change the size of images in
// our lists
BOOL fPaused = m_fPaused; // pause the page so we can get through
m_fPaused = TRUE; // the below without being updated
RemoveAllUsers();
m_pUserArray->RemoveAll();
m_fPaused = fPaused; // restore the paused state
TimerEvent(); // even if we're paused, we'll want to redraw
}
/*++ CUserPage::GetTitle
Routine Description:
Copies the title of this page to the caller-supplied buffer
Arguments:
pszText - the buffer to copy to
bufsize - size of buffer, in characters
Return Value:
Revision History:
Nov-28-95 BradG Created
--*/
void CUserPage::GetTitle(LPTSTR pszText, size_t bufsize)
{
LoadString(g_hInstance, IDS_USERPAGETITLE, pszText, static_cast<int>(bufsize));
}
/*++ CUserPage::Activate
Routine Description:
Brings this page to the front, sets its initial position,
and shows it
Arguments:
Return Value:
HRESULT (S_OK on success)
Revision History:
Nov-28-95 BradG Created
--*/
HRESULT CUserPage::Activate()
{
// Make this page visible
ShowWindow(m_hPage, SW_SHOW);
SetWindowPos(
m_hPage,
HWND_TOP,
0, 0, 0, 0,
SWP_NOMOVE | SWP_NOSIZE
);
// Change the menu bar to be the menu for this page
HMENU hMenuOld = GetMenu(g_hMainWnd);
HMENU hMenuNew = LoadMenu(g_hInstance, MAKEINTRESOURCE(IDR_MAINMENU_USER));
AdjustMenuBar(hMenuNew);
g_hMenu = hMenuNew;
if (g_Options.m_fNoTitle == FALSE)
{
SetMenu(g_hMainWnd, hMenuNew);
}
if (hMenuOld)
{
DestroyMenu(hMenuOld);
}
UpdateUIState();
// If the tab control has focus, leave it there. Otherwise, set focus
// to the listview. If we don't set focus, it may stay on the previous
// page, now hidden, which can confuse the dialog manager and may cause
// us to hang.
if (GetFocus() != m_hwndTabs)
{
SetFocus(GetDlgItem(m_hPage, IDC_USERLIST));
}
return S_OK;
}
/*++ class CUserPage::SetupColumns
Class Description:
Removes any existing columns from the taskmanager listview and
adds all of the columns listed in the g_ActiveUserCol array.
Arguments:
Return Value:
HRESULT
Revision History:
Nov-29-95 BradG Created
--*/
HRESULT CUserPage::SetupColumns()
{
HWND hwndList = GetDlgItem(m_hPage, IDC_USERLIST);
if (NULL == hwndList)
{
return E_UNEXPECTED;
}
ListView_DeleteAllItems(hwndList);
// Remove all existing columns
// save column widths.
LV_COLUMN lvcolumn;
lvcolumn.mask = LVCF_SUBITEM | LVCF_WIDTH;
UserColumn *pCol = ColSelectDlg.GetColumns();
do
{
if(ListView_GetColumn(hwndList, 0, &lvcolumn))
{
if(lvcolumn.iSubItem >= USR_COL_USERSNAME &&
lvcolumn.iSubItem < USR_MAX_COLUMN)
{
pCol[lvcolumn.iSubItem].Width=lvcolumn.cx;
}
}
}while(ListView_DeleteColumn(hwndList, 0));
// Add all of the new columns
INT iColumn = 0;
for (int i=0; i<USR_MAX_COLUMN; i++)
{
if(pCol[i].bActive)
{
TCHAR szTitle[MAX_PATH];
LoadString(
g_hInstance,
pCol[i].dwNameID,
szTitle,
ARRAYSIZE(szTitle)
);
lvcolumn.mask = LVCF_FMT | LVCF_TEXT | LVCF_SUBITEM | LVCF_WIDTH;
lvcolumn.fmt = pCol[i].Align;
lvcolumn.cx = pCol[i].Width;
lvcolumn.pszText = szTitle;
lvcolumn.iSubItem = i;
if (-1 == ListView_InsertColumn(hwndList, iColumn, &lvcolumn))
{
return E_FAIL;
}
iColumn++;
}
}
return S_OK;
}
/*++ CUserPage::Initialize
Routine Description:
Initializes the task manager page
Arguments:
hwndParent - Parent on which to base sizing on: not used for creation,
since the main app window is always used as the parent in
order to keep tab order correct
Return Value:
Revision History:
Nov-28-95 BradG Created
--*/
HRESULT CUserPage::Initialize(HWND hwndParent)
{
HRESULT hr = S_OK;
//
// Create the ptr array used to hold the info on running tasks
//
m_pUserArray = new CPtrArray(GetProcessHeap());
if (NULL == m_pUserArray)
{
hr = E_OUTOFMEMORY;
}
else
{
// Our pseudo-parent is the tab contrl, and is what we base our
// sizing on. However, in order to keep tab order right among
// the controls, we actually create ourselves with the main
// window as the parent
m_hwndTabs = hwndParent;
//
// Create the image lists
//
UINT flags = ILC_MASK;
if(IS_WINDOW_RTL_MIRRORED(hwndParent))
{
flags |= ILC_MIRROR;
}
m_himlUsers = ImageList_Create(
GetSystemMetrics(SM_CXSMICON),
GetSystemMetrics(SM_CYSMICON),
flags,
2,
1
);
if (NULL == m_himlUsers)
{
hr = E_FAIL;
}
}
if (SUCCEEDED(hr))
{
// Load the default icons
hr = LoadDefaultIcons();
}
if (SUCCEEDED(hr))
{
//
// Load the status strings
//
TCHAR szText[ MAX_PATH ];
for( int i = 0; i < MAX_STAT_STRINGS; i++ )
{
if ( LoadString(g_hInstance, FIRST_STAT_STRING + i, szText, ARRAYSIZE(szText) ) )
{
g_pszStatString[i] = (LPTSTR) LocalAlloc( 0, (lstrlen(szText) + 1) * sizeof(TCHAR) );
if (g_pszStatString[i])
{
lstrcpy(g_pszStatString[i], szText);
}
else
{
hr = E_OUTOFMEMORY;
}
}
else
{
hr = E_FAIL;
break;
}
}
}
if (SUCCEEDED(hr))
{
//
// Create the dialog which represents the body of this page
//
m_hPage = CreateDialogParam(
g_hInstance, // handle to application instance
MAKEINTRESOURCE(IDD_USERSPAGE), // identifies dialog box template name
g_hMainWnd, // handle to owner window
UserPageProc, // pointer to dialog box procedure
(LPARAM) this // User data (our this pointer)
);
if (NULL == m_hPage)
{
hr = GetLastHRESULT();
}
}
if (SUCCEEDED(hr))
{
// Set up the columns in the listview
hr = SetupColumns();
}
if (SUCCEEDED(hr))
{
TimerEvent();
}
//
// If any failure along the way, clean up what got allocated
// up to that point
//
if (FAILED(hr))
{
if (m_hPage)
{
DestroyWindow(m_hPage);
}
m_hwndTabs = NULL;
}
return hr;
}
HRESULT CUserPage::LoadDefaultIcons()
{
HICON hIcon;
hIcon = (HICON) LoadImage(
g_hInstance,
MAKEINTRESOURCE(IDI_USER),
IMAGE_ICON,
GetSystemMetrics(SM_CXSMICON),
GetSystemMetrics(SM_CYSMICON),
0
);
if (!hIcon)
{
return GetLastHRESULT();
}
m_iUserIcon = ImageList_AddIcon(m_himlUsers, hIcon);
DestroyIcon(hIcon);
if (-1 == m_iUserIcon)
{
return E_FAIL;
}
hIcon = (HICON) LoadImage(
g_hInstance,
MAKEINTRESOURCE(IDI_CURRENTUSER),
IMAGE_ICON,
GetSystemMetrics(SM_CXSMICON),
GetSystemMetrics(SM_CYSMICON),
0
);
if (!hIcon)
{
return GetLastHRESULT();
}
m_iCurrentUserIcon = ImageList_AddIcon(m_himlUsers, hIcon);
DestroyIcon(hIcon);
if (-1 == m_iUserIcon)
{
return E_FAIL;
}
return S_OK;
}
/*++ CUserPage::Destroy
Routine Description:
Frees whatever has been allocated by the Initialize call
Arguments:
Return Value:
Revision History:
Nov-28-95 BradG Created
--*/
HRESULT CUserPage::Destroy()
{
//Save last column settings
//-----------------------------------------------
//get current column widths
HWND hwndList = GetDlgItem(m_hPage, IDC_USERLIST);
if (hwndList)
{
LV_COLUMN lvcolumn;
lvcolumn.mask = LVCF_SUBITEM | LVCF_WIDTH;
UserColumn *pCol = ColSelectDlg.GetColumns();
for(int i=0; ListView_GetColumn(hwndList, i, &lvcolumn); i++)
{
if(lvcolumn.iSubItem >= USR_COL_USERSNAME &&
lvcolumn.iSubItem < USR_MAX_COLUMN)
{
pCol[lvcolumn.iSubItem].Width=lvcolumn.cx;
}
}
}
//save settings
ColSelectDlg.Save();
//------------------------------------------------
if (m_hPage)
{
DestroyWindow(m_hPage);
m_hPage = NULL;
}
return S_OK;
}
/*++ CUserPage::Deactivate
Routine Description:
Called when this page is losing its place up front
Arguments:
Return Value:
Revision History:
Nov-28-95 BradG Created
--*/
void CUserPage::Deactivate()
{
if (m_hPage)
{
ShowWindow(m_hPage, SW_HIDE);
}
}
DWORD Shadow_WarningProc(HWND *phwnd);
INT_PTR CALLBACK ShadowWarn_WndProc( HWND hwnd , UINT msg , WPARAM wp , LPARAM lp );
void CenterDlg(HWND hwndToCenterOn , HWND hDlg );
/*++ Shadow
Routine Description:
remote control session
Arguments:
Return Value:
Revision History:
Feb-8-2000 a-skuzin Created
--*/
void Shadow(HWND hwnd, CUserInfo * pUser)
{
WINSTATIONCONFIG WSConfig;
SHADOWCLASS Shadow;
ULONG ReturnLength;
HANDLE hServer = WTS_CURRENT_SERVER_HANDLE;
//Error handling
TCHAR szMsgText[MAX_PATH+1];
TCHAR szCaption[MAX_PATH+1];
TCHAR szTemplate[MAX_PATH+1];
LoadString(g_hInstance, IDS_APPTITLE, szCaption, MAX_PATH);
// Determine the WinStation's shadow state.
if(!WinStationQueryInformation(hServer,
pUser->m_dwSessionId,
WinStationConfiguration,
&WSConfig, sizeof(WINSTATIONCONFIG),
&ReturnLength ) )
{
// Can't query WinStation configuration; complain and return
return;
}
Shadow = WSConfig.User.Shadow;
// If shadowing is disabled, let the user know and return
if(Shadow == Shadow_Disable )
{
LoadString(g_hInstance,IDS_ERR_SHADOW_DISABLED,szTemplate,MAX_PATH);
wsprintf(szMsgText,szTemplate,pUser->m_dwSessionId);
MessageBox(hwnd, szMsgText, szCaption, MB_OK | MB_ICONEXCLAMATION);
return;
}
// If the WinStation is disconnected and shadow notify is 'on',
// let the user know and break out.
if((pUser->m_wtsState == WTSDisconnected) &&
((Shadow == Shadow_EnableInputNotify) ||
(Shadow == Shadow_EnableNoInputNotify)) )
{
LoadString(g_hInstance,IDS_ERR_SHADOW_DISCONNECTED_NOTIFY_ON,szTemplate,MAX_PATH);
wsprintf(szMsgText,szTemplate,pUser->m_dwSessionId);
MessageBox(hwnd, szMsgText, szCaption, MB_OK | MB_ICONEXCLAMATION);
return;
}
// Display the 'start shadow' dialog for hotkey reminder and
// final 'ok' prior to shadowing.
CShadowStartDlg SSDlg;
if (SSDlg.DoDialog(hwnd) != IDOK)
return;
// launch UI thread.
HWND hwndShadowWarn = NULL;
hwndShadowWarn = CreateDialogParam(g_hInstance , MAKEINTRESOURCE( IDD_DIALOG_SHADOWWARN ) ,
hwnd , ShadowWarn_WndProc,
(LPARAM)0);
if(hwndShadowWarn)
{
ShowWindow(hwndShadowWarn,SW_SHOW);
UpdateWindow(hwndShadowWarn);
}
/*
DWORD tid;
HANDLE hThread = CreateThread( NULL , 0 , ( LPTHREAD_START_ROUTINE )Shadow_WarningProc ,
hwndShadowWarn, 0 , &tid );
CloseHandle( hThread );
*/
// Invoke the shadow DLL.
HCURSOR hOldCursor = SetCursor(LoadCursor(NULL,IDC_WAIT));
// allow UI thread to init window
Sleep( 900 );
// Shadow API always connects to local server,
// passing target servername as a parameter.
TCHAR szCompName[MAX_COMPUTERNAME_LENGTH + 1];
DWORD dwSize=MAX_COMPUTERNAME_LENGTH;
GetComputerName(szCompName,&dwSize);
BOOL bOK = WinStationShadow(WTS_CURRENT_SERVER_HANDLE, szCompName, pUser->m_dwSessionId,
(BYTE)(SSDlg.GetShadowHotkeyKey()),(WORD)(SSDlg.GetShadowHotkeyShift()));
if( hwndShadowWarn != NULL )
{
DestroyWindow(hwndShadowWarn);
}
if( !bOK )
{
LoadString(g_hInstance,IDS_ERR_SHADOW,szTemplate,MAX_PATH);
wsprintf(szMsgText,szTemplate,pUser->m_dwSessionId);
MessageBox(hwnd, szMsgText, szCaption, MB_OK | MB_ICONEXCLAMATION);
}
SetCursor(hOldCursor);
}
//------------------------------------------------
DWORD Shadow_WarningProc(HWND *phwnd)
{
DialogBoxParam( g_hInstance , MAKEINTRESOURCE( IDD_DIALOG_SHADOWWARN ) , NULL , ShadowWarn_WndProc,
(LPARAM)phwnd);
return( 0 );
}
//------------------------------------------------
INT_PTR CALLBACK ShadowWarn_WndProc( HWND hwnd , UINT msg , WPARAM wp , LPARAM lp )
{
switch( msg )
{
case WM_INITDIALOG:
//*((HWND *)lp) = hwnd;
CenterDlg( GetDesktopWindow( ) , hwnd );
break;
/*
case WM_DESTROY:
PostQuitMessage(0);
break;*/
}
return FALSE;
}
void CenterDlg(HWND hwndToCenterOn , HWND hDlg )
{
RECT rc, rcwk, rcToCenterOn;
SetRect( &rcToCenterOn , 0 , 0 , GetSystemMetrics(SM_CXSCREEN) , GetSystemMetrics( SM_CYSCREEN ) );
if (hwndToCenterOn != NULL)
{
GetWindowRect(hwndToCenterOn, &rcToCenterOn);
}
GetWindowRect( hDlg , &rc);
UINT uiWidth = rc.right - rc.left;
UINT uiHeight = rc.bottom - rc.top;
rc.left = (rcToCenterOn.left + rcToCenterOn.right) / 2 - ( rc.right - rc.left ) / 2;
rc.top = (rcToCenterOn.top + rcToCenterOn.bottom) / 2 - ( rc.bottom - rc.top ) / 2;
//ensure the dialog always with the work area
if(SystemParametersInfo(SPI_GETWORKAREA, 0, &rcwk, 0))
{
UINT wkWidth = rcwk.right - rcwk.left;
UINT wkHeight = rcwk.bottom - rcwk.top;
if(rc.left + uiWidth > wkWidth) //right cut
rc.left = wkWidth - uiWidth;
if(rc.top + uiHeight > wkHeight) //bottom cut
rc.top = wkHeight - uiHeight;
if(rc.left < rcwk.left) //left cut
rc.left += rcwk.left - rc.left;
if(rc.top < rcwk.top) //top cut
rc.top += rcwk.top - rc.top;
}
SetWindowPos( hDlg, NULL, rc.left, rc.top, 0, 0, SWP_NOSIZE | SWP_NOZORDER |
SWP_NOCOPYBITS | SWP_DRAWFRAME);
}
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