reactos/subsys/system/taskmgr/procpage.c

   1 /*
   2  *  ReactOS Task Manager
   3  *
   4  *  procpage.c
   5  *
   6  *  Copyright (C) 1999 - 2001  Brian Palmer  <brianp@reactos.org>
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 #include "precomp.h"
  24
  25 HWND hProcessPage;                        /* Process List Property Page */
  26
  27 HWND hProcessPageListCtrl;                /* Process ListCtrl Window */
  28 HWND hProcessPageHeaderCtrl;            /* Process Header Control */
  29 HWND hProcessPageEndProcessButton;        /* Process End Process button */
  30 HWND hProcessPageShowAllProcessesButton;/* Process Show All Processes checkbox */
  31
  32 static int    nProcessPageWidth;
  33 static int    nProcessPageHeight;
  34
  35 static HANDLE    hProcessPageEvent = NULL;    /* When this event becomes signaled then we refresh the process list */
  36
  37 void ProcessPageOnNotify(WPARAM wParam, LPARAM lParam);
  38 void CommaSeparateNumberString(LPTSTR strNumber, int nMaxCount);
  39 void ProcessPageShowContextMenu(DWORD dwProcessId);
  40 DWORD WINAPI ProcessPageRefreshThread(void *lpParameter);
  41
  42 INT_PTR CALLBACK
  43 ProcessPageWndProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
  44 {
  45     RECT    rc;
  46     int        nXDifference;
  47     int        nYDifference;
  48     int        cx, cy;
  49
  50     switch (message) {
  51     case WM_INITDIALOG:
  52         /*
  53          * Save the width and height
  54          */
  55         GetClientRect(hDlg, &rc);
  56         nProcessPageWidth = rc.right;
  57         nProcessPageHeight = rc.bottom;
  58
  59         /* Update window position */
  60         SetWindowPos(hDlg, NULL, 15, 30, 0, 0, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOSIZE|SWP_NOZORDER);
  61
  62         /*
  63          * Get handles to the controls
  64          */
  65         hProcessPageListCtrl = GetDlgItem(hDlg, IDC_PROCESSLIST);
  66         hProcessPageHeaderCtrl = ListView_GetHeader(hProcessPageListCtrl);
  67         hProcessPageEndProcessButton = GetDlgItem(hDlg, IDC_ENDPROCESS);
  68         hProcessPageShowAllProcessesButton = GetDlgItem(hDlg, IDC_SHOWALLPROCESSES);
  69
  70         /*
  71          * Set the font, title, and extended window styles for the list control
  72          */
  73         SendMessage(hProcessPageListCtrl, WM_SETFONT, SendMessage(hProcessPage, WM_GETFONT, 0, 0), TRUE);
  74         SetWindowText(hProcessPageListCtrl, _T("Processes"));
  75         ListView_SetExtendedListViewStyle(hProcessPageListCtrl, ListView_GetExtendedListViewStyle(hProcessPageListCtrl) | LVS_EX_FULLROWSELECT | LVS_EX_HEADERDRAGDROP);
  76
  77         AddColumns();
  78
  79         /*
  80          * Subclass the process list control so we can intercept WM_ERASEBKGND
  81          */
  82         OldProcessListWndProc = (WNDPROC)SetWindowLongPtr(hProcessPageListCtrl, GWL_WNDPROC, (DWORD_PTR)ProcessListWndProc);
  83
  84         /* Start our refresh thread */
  85          CreateThread(NULL, 0, ProcessPageRefreshThread, NULL, 0, NULL);
  86
  87         return TRUE;
  88
  89     case WM_DESTROY:
  90         /* Close the event handle, this will make the */
  91         /* refresh thread exit when the wait fails */
  92         CloseHandle(hProcessPageEvent);
  93
  94         SaveColumnSettings();
  95
  96         break;
  97
  98     case WM_COMMAND:
  99         /* Handle the button clicks */
 100         switch (LOWORD(wParam))
 101         {
 102                 case IDC_ENDPROCESS:
 103                         ProcessPage_OnEndProcess();
 104         }
 105         break;
 106
 107     case WM_SIZE:
 108         if (wParam == SIZE_MINIMIZED)
 109             return 0;
 110
 111         cx = LOWORD(lParam);
 112         cy = HIWORD(lParam);
 113         nXDifference = cx - nProcessPageWidth;
 114         nYDifference = cy - nProcessPageHeight;
 115         nProcessPageWidth = cx;
 116         nProcessPageHeight = cy;
 117
 118         /* Reposition the application page's controls */
 119         GetWindowRect(hProcessPageListCtrl, &rc);
 120         cx = (rc.right - rc.left) + nXDifference;
 121         cy = (rc.bottom - rc.top) + nYDifference;
 122         SetWindowPos(hProcessPageListCtrl, NULL, 0, 0, cx, cy, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOMOVE|SWP_NOZORDER);
 123         InvalidateRect(hProcessPageListCtrl, NULL, TRUE);
 124
 125         GetClientRect(hProcessPageEndProcessButton, &rc);
 126         MapWindowPoints(hProcessPageEndProcessButton, hDlg, (LPPOINT)(PRECT)(&rc), (sizeof(RECT)/sizeof(POINT)) );
 127            cx = rc.left + nXDifference;
 128         cy = rc.top + nYDifference;
 129         SetWindowPos(hProcessPageEndProcessButton, NULL, cx, cy, 0, 0, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOSIZE|SWP_NOZORDER);
 130         InvalidateRect(hProcessPageEndProcessButton, NULL, TRUE);
 131
 132         GetClientRect(hProcessPageShowAllProcessesButton, &rc);
 133         MapWindowPoints(hProcessPageShowAllProcessesButton, hDlg, (LPPOINT)(PRECT)(&rc), (sizeof(RECT)/sizeof(POINT)) );
 134            cx = rc.left;
 135         cy = rc.top + nYDifference;
 136         SetWindowPos(hProcessPageShowAllProcessesButton, NULL, cx, cy, 0, 0, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOSIZE|SWP_NOZORDER);
 137         InvalidateRect(hProcessPageShowAllProcessesButton, NULL, TRUE);
 138
 139         break;
 140
 141     case WM_NOTIFY:
 142
 143         ProcessPageOnNotify(wParam, lParam);
 144         break;
 145     }
 146
 147     return 0;
 148 }
 149
 150 void ProcessPageOnNotify(WPARAM wParam, LPARAM lParam)
 151 {
 152     int                idctrl;
 153     LPNMHDR            pnmh;
 154     LPNMLISTVIEW    pnmv;
 155     NMLVDISPINFO*    pnmdi;
 156     LPNMHEADER        pnmhdr;
 157     LVITEM            lvitem;
 158     ULONG            Index;
 159     ULONG            ColumnIndex;
 160     IO_COUNTERS        iocounters;
 161     TIME            time;
 162
 163     idctrl = (int) wParam;
 164     pnmh = (LPNMHDR) lParam;
 165     pnmv = (LPNMLISTVIEW) lParam;
 166     pnmdi = (NMLVDISPINFO*) lParam;
 167     pnmhdr = (LPNMHEADER) lParam;
 168
 169     if (pnmh->hwndFrom == hProcessPageListCtrl)
 170     {
 171         switch (pnmh->code)
 172         {
 173         #if 0
 174         case LVN_ITEMCHANGED:
 175             ProcessPageUpdate();
 176             break;
 177         #endif
 178
 179         case LVN_GETDISPINFO:
 180
 181             if (!(pnmdi->item.mask & LVIF_TEXT))
 182                 break;
 183
 184             ColumnIndex = pnmdi->item.iSubItem;
 185             Index = pnmdi->item.iItem;
 186
 187             if (ColumnDataHints[ColumnIndex] == COLUMN_IMAGENAME)
 188                 PerfDataGetImageName(Index, pnmdi->item.pszText, pnmdi->item.cchTextMax);
 189             if (ColumnDataHints[ColumnIndex] == COLUMN_PID)
 190                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetProcessId(Index));
 191             if (ColumnDataHints[ColumnIndex] == COLUMN_USERNAME)
 192                 PerfDataGetUserName(Index, pnmdi->item.pszText, pnmdi->item.cchTextMax);
 193             if (ColumnDataHints[ColumnIndex] == COLUMN_SESSIONID)
 194                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetSessionId(Index));
 195             if (ColumnDataHints[ColumnIndex] == COLUMN_CPUUSAGE)
 196                 wsprintf(pnmdi->item.pszText, _T("%02d"), PerfDataGetCPUUsage(Index));
 197             if (ColumnDataHints[ColumnIndex] == COLUMN_CPUTIME)
 198             {
 199                 DWORD dwHours;
 200                 DWORD dwMinutes;
 201                 DWORD dwSeconds;
 202
 203                 time = PerfDataGetCPUTime(Index);
 204 #ifdef _MSC_VER
 205                 dwHours = (DWORD)(time.QuadPart / 36000000000L);
 206                 dwMinutes = (DWORD)((time.QuadPart % 36000000000L) / 600000000L);
 207                 dwSeconds = (DWORD)(((time.QuadPart % 36000000000L) % 600000000L) / 10000000L);
 208 #else
 209                 dwHours = (DWORD)(time.QuadPart / 36000000000LL);
 210                 dwMinutes = (DWORD)((time.QuadPart % 36000000000LL) / 600000000LL);
 211                 dwSeconds = (DWORD)(((time.QuadPart % 36000000000LL) % 600000000LL) / 10000000LL);
 212 #endif
 213                 wsprintf(pnmdi->item.pszText, _T("%d:%02d:%02d"), dwHours, dwMinutes, dwSeconds);
 214             }
 215             if (ColumnDataHints[ColumnIndex] == COLUMN_MEMORYUSAGE)
 216             {
 217                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetWorkingSetSizeBytes(Index) / 1024);
 218                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 219                 _tcscat(pnmdi->item.pszText, _T(" K"));
 220             }
 221             if (ColumnDataHints[ColumnIndex] == COLUMN_PEAKMEMORYUSAGE)
 222             {
 223                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetPeakWorkingSetSizeBytes(Index) / 1024);
 224                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 225                 _tcscat(pnmdi->item.pszText, _T(" K"));
 226             }
 227             if (ColumnDataHints[ColumnIndex] == COLUMN_MEMORYUSAGEDELTA)
 228             {
 229                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetWorkingSetSizeDelta(Index) / 1024);
 230                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 231                 _tcscat(pnmdi->item.pszText, _T(" K"));
 232             }
 233             if (ColumnDataHints[ColumnIndex] == COLUMN_PAGEFAULTS)
 234             {
 235                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetPageFaultCount(Index));
 236                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 237             }
 238             if (ColumnDataHints[ColumnIndex] == COLUMN_PAGEFAULTSDELTA)
 239             {
 240                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetPageFaultCountDelta(Index));
 241                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 242             }
 243             if (ColumnDataHints[ColumnIndex] == COLUMN_VIRTUALMEMORYSIZE)
 244             {
 245                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetVirtualMemorySizeBytes(Index) / 1024);
 246                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 247                 _tcscat(pnmdi->item.pszText, _T(" K"));
 248             }
 249             if (ColumnDataHints[ColumnIndex] == COLUMN_PAGEDPOOL)
 250             {
 251                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetPagedPoolUsagePages(Index) / 1024);
 252                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 253                 _tcscat(pnmdi->item.pszText, _T(" K"));
 254             }
 255             if (ColumnDataHints[ColumnIndex] == COLUMN_NONPAGEDPOOL)
 256             {
 257                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetNonPagedPoolUsagePages(Index) / 1024);
 258                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 259                 _tcscat(pnmdi->item.pszText, _T(" K"));
 260             }
 261             if (ColumnDataHints[ColumnIndex] == COLUMN_BASEPRIORITY)
 262                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetBasePriority(Index));
 263             if (ColumnDataHints[ColumnIndex] == COLUMN_HANDLECOUNT)
 264             {
 265                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetHandleCount(Index));
 266                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 267             }
 268             if (ColumnDataHints[ColumnIndex] == COLUMN_THREADCOUNT)
 269             {
 270                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetThreadCount(Index));
 271                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 272             }
 273             if (ColumnDataHints[ColumnIndex] == COLUMN_USEROBJECTS)
 274             {
 275                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetUSERObjectCount(Index));
 276                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 277             }
 278             if (ColumnDataHints[ColumnIndex] == COLUMN_GDIOBJECTS)
 279             {
 280                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetGDIObjectCount(Index));
 281                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 282             }
 283             if (ColumnDataHints[ColumnIndex] == COLUMN_IOREADS)
 284             {
 285                 PerfDataGetIOCounters(Index, &iocounters);
 286                 /* wsprintf(pnmdi->item.pszText, _T("%d"), iocounters.ReadOperationCount); */
 287 #ifdef UNICODE
 288 #define _ui64toa _ui64tow
 289 #else
 290 #endif
 291                 _ui64toa(iocounters.ReadOperationCount, pnmdi->item.pszText, 10);
 292                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 293             }
 294             if (ColumnDataHints[ColumnIndex] == COLUMN_IOWRITES)
 295             {
 296                 PerfDataGetIOCounters(Index, &iocounters);
 297                 /* wsprintf(pnmdi->item.pszText, _T("%d"), iocounters.WriteOperationCount); */
 298                 _ui64toa(iocounters.WriteOperationCount, pnmdi->item.pszText, 10);
 299                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 300             }
 301             if (ColumnDataHints[ColumnIndex] == COLUMN_IOOTHER)
 302             {
 303                 PerfDataGetIOCounters(Index, &iocounters);
 304                 /* wsprintf(pnmdi->item.pszText, _T("%d"), iocounters.OtherOperationCount); */
 305                 _ui64toa(iocounters.OtherOperationCount, pnmdi->item.pszText, 10);
 306                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 307             }
 308             if (ColumnDataHints[ColumnIndex] == COLUMN_IOREADBYTES)
 309             {
 310                 PerfDataGetIOCounters(Index, &iocounters);
 311                 /* wsprintf(pnmdi->item.pszText, _T("%d"), iocounters.ReadTransferCount); */
 312                 _ui64toa(iocounters.ReadTransferCount, pnmdi->item.pszText, 10);
 313                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 314             }
 315             if (ColumnDataHints[ColumnIndex] == COLUMN_IOWRITEBYTES)
 316             {
 317                 PerfDataGetIOCounters(Index, &iocounters);
 318                 /* wsprintf(pnmdi->item.pszText, _T("%d"), iocounters.WriteTransferCount); */
 319                 _ui64toa(iocounters.WriteTransferCount, pnmdi->item.pszText, 10);
 320                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 321             }
 322             if (ColumnDataHints[ColumnIndex] == COLUMN_IOOTHERBYTES)
 323             {
 324                 PerfDataGetIOCounters(Index, &iocounters);
 325                 /* wsprintf(pnmdi->item.pszText, _T("%d"), iocounters.OtherTransferCount); */
 326                 _ui64toa(iocounters.OtherTransferCount, pnmdi->item.pszText, 10);
 327                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 328             }
 329
 330             break;
 331
 332         case NM_RCLICK:
 333
 334             for (Index=0; Index<(ULONG)ListView_GetItemCount(hProcessPageListCtrl); Index++)
 335             {
 336                 memset(&lvitem, 0, sizeof(LVITEM));
 337
 338                 lvitem.mask = LVIF_STATE;
 339                 lvitem.stateMask = LVIS_SELECTED;
 340                 lvitem.iItem = Index;
 341
 342                 ListView_GetItem(hProcessPageListCtrl, &lvitem);
 343
 344                 if (lvitem.state & LVIS_SELECTED)
 345                     break;
 346             }
 347
 348             if ((ListView_GetSelectedCount(hProcessPageListCtrl) == 1) &&
 349                 (PerfDataGetProcessId(Index) != 0))
 350             {
 351                 ProcessPageShowContextMenu(PerfDataGetProcessId(Index));
 352             }
 353
 354             break;
 355
 356         }
 357     }
 358     else if (pnmh->hwndFrom == hProcessPageHeaderCtrl)
 359     {
 360         switch (pnmh->code)
 361         {
 362         case HDN_ITEMCLICK:
 363
 364             /*
 365              * FIXME: Fix the column sorting
 366              *
 367              *ListView_SortItems(hApplicationPageListCtrl, ApplicationPageCompareFunc, NULL);
 368              *bSortAscending = !bSortAscending;
 369              */
 370
 371             break;
 372
 373         case HDN_ITEMCHANGED:
 374
 375             UpdateColumnDataHints();
 376
 377             break;
 378
 379         case HDN_ENDDRAG:
 380
 381             UpdateColumnDataHints();
 382
 383             break;
 384
 385         }
 386     }
 387
 388 }
 389
 390 void CommaSeparateNumberString(LPTSTR strNumber, int nMaxCount)
 391 {
 392     TCHAR    temp[260];
 393     UINT    i, j, k;
 394
 395     for (i=0,j=0; i<(_tcslen(strNumber) % 3); i++, j++)
 396         temp[j] = strNumber[i];
 397     for (k=0; i<_tcslen(strNumber); i++,j++,k++) {
 398         if ((k % 3 == 0) && (j > 0))
 399             temp[j++] = _T(',');
 400         temp[j] = strNumber[i];
 401     }
 402     temp[j] = _T('\0');
 403     _tcsncpy(strNumber, temp, nMaxCount);
 404 }
 405
 406 void ProcessPageShowContextMenu(DWORD dwProcessId)
 407 {
 408     HMENU        hMenu;
 409     HMENU        hSubMenu;
 410     HMENU        hPriorityMenu;
 411     POINT        pt;
 412     SYSTEM_INFO    si;
 413     HANDLE        hProcess;
 414     DWORD        dwProcessPriorityClass;
 415     TCHAR        strDebugger[260];
 416     DWORD        dwDebuggerSize;
 417     HKEY        hKey;
 418     UINT        Idx;
 419
 420     memset(&si, 0, sizeof(SYSTEM_INFO));
 421
 422     GetCursorPos(&pt);
 423     GetSystemInfo(&si);
 424
 425     hMenu = LoadMenu(hInst, MAKEINTRESOURCE(IDR_PROCESS_PAGE_CONTEXT));
 426     hSubMenu = GetSubMenu(hMenu, 0);
 427     hPriorityMenu = GetSubMenu(hSubMenu, 4);
 428
 429     hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, dwProcessId);
 430     dwProcessPriorityClass = GetPriorityClass(hProcess);
 431     CloseHandle(hProcess);
 432
 433     if (si.dwNumberOfProcessors < 2)
 434         RemoveMenu(hSubMenu, ID_PROCESS_PAGE_SETAFFINITY, MF_BYCOMMAND);
 435
 436     if (!DebugChannelsAreSupported())
 437         RemoveMenu(hSubMenu, ID_PROCESS_PAGE_DEBUGCHANNELS, MF_BYCOMMAND);
 438
 439     switch (dwProcessPriorityClass)    {
 440     case REALTIME_PRIORITY_CLASS:
 441         CheckMenuRadioItem(hPriorityMenu, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, ID_PROCESS_PAGE_SETPRIORITY_LOW, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, MF_BYCOMMAND);
 442         break;
 443     case HIGH_PRIORITY_CLASS:
 444         CheckMenuRadioItem(hPriorityMenu, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, ID_PROCESS_PAGE_SETPRIORITY_LOW, ID_PROCESS_PAGE_SETPRIORITY_HIGH, MF_BYCOMMAND);
 445         break;
 446     case ABOVE_NORMAL_PRIORITY_CLASS:
 447         CheckMenuRadioItem(hPriorityMenu, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, ID_PROCESS_PAGE_SETPRIORITY_LOW, ID_PROCESS_PAGE_SETPRIORITY_ABOVENORMAL, MF_BYCOMMAND);
 448         break;
 449     case NORMAL_PRIORITY_CLASS:
 450         CheckMenuRadioItem(hPriorityMenu, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, ID_PROCESS_PAGE_SETPRIORITY_LOW, ID_PROCESS_PAGE_SETPRIORITY_NORMAL, MF_BYCOMMAND);
 451         break;
 452     case BELOW_NORMAL_PRIORITY_CLASS:
 453         CheckMenuRadioItem(hPriorityMenu, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, ID_PROCESS_PAGE_SETPRIORITY_LOW, ID_PROCESS_PAGE_SETPRIORITY_BELOWNORMAL, MF_BYCOMMAND);
 454         break;
 455     case IDLE_PRIORITY_CLASS:
 456         CheckMenuRadioItem(hPriorityMenu, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, ID_PROCESS_PAGE_SETPRIORITY_LOW, ID_PROCESS_PAGE_SETPRIORITY_LOW, MF_BYCOMMAND);
 457         break;
 458     }
 459
 460     if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, _T("Software\\Microsoft\\Windows NT\\CurrentVersion\\AeDebug"), 0, KEY_READ, &hKey) == ERROR_SUCCESS)
 461     {
 462         dwDebuggerSize = 260;
 463         if (RegQueryValueEx(hKey, _T("Debugger"), NULL, NULL, (LPBYTE)strDebugger, &dwDebuggerSize) == ERROR_SUCCESS)
 464         {
 465             for (Idx=0; Idx<_tcslen(strDebugger); Idx++)
 466                 strDebugger[Idx] = toupper(strDebugger[Idx]);
 467
 468             if (_tcsstr(strDebugger, _T("DRWTSN32")))
 469                 EnableMenuItem(hSubMenu, ID_PROCESS_PAGE_DEBUG, MF_BYCOMMAND|MF_DISABLED|MF_GRAYED);
 470         }
 471         else
 472             EnableMenuItem(hSubMenu, ID_PROCESS_PAGE_DEBUG, MF_BYCOMMAND|MF_DISABLED|MF_GRAYED);
 473
 474         RegCloseKey(hKey);
 475     } else {
 476         EnableMenuItem(hSubMenu, ID_PROCESS_PAGE_DEBUG, MF_BYCOMMAND|MF_DISABLED|MF_GRAYED);
 477     }
 478     TrackPopupMenu(hSubMenu, TPM_LEFTALIGN|TPM_TOPALIGN|TPM_LEFTBUTTON, pt.x, pt.y, 0, hMainWnd, NULL);
 479     DestroyMenu(hMenu);
 480 }
 481
 482 void RefreshProcessPage(void)
 483 {
 484     /* Signal the event so that our refresh thread */
 485     /* will wake up and refresh the process page */
 486     SetEvent(hProcessPageEvent);
 487 }
 488
 489 DWORD WINAPI ProcessPageRefreshThread(void *lpParameter)
 490 {
 491     ULONG    OldProcessorUsage = 0;
 492     ULONG    OldProcessCount = 0;
 493     TCHAR    szCpuUsage[256], szProcesses[256];
 494
 495     /* Create the event */
 496     hProcessPageEvent = CreateEvent(NULL, TRUE, TRUE, NULL);
 497
 498     /* If we couldn't create the event then exit the thread */
 499     if (!hProcessPageEvent)
 500         return 0;
 501
 502     LoadString(hInst, IDS_STATUS_CPUUSAGE, szCpuUsage, 256);
 503     LoadString(hInst, IDS_STATUS_PROCESSES, szProcesses, 256);
 504
 505     while (1) {
 506         DWORD    dwWaitVal;
 507
 508         /* Wait on the event */
 509         dwWaitVal = WaitForSingleObject(hProcessPageEvent, INFINITE);
 510
 511         /* If the wait failed then the event object must have been */
 512         /* closed and the task manager is exiting so exit this thread */
 513         if (dwWaitVal == WAIT_FAILED)
 514             return 0;
 515
 516         if (dwWaitVal == WAIT_OBJECT_0) {
 517             TCHAR    text[260];
 518
 519             /* Reset our event */
 520             ResetEvent(hProcessPageEvent);
 521
 522             if ((ULONG)SendMessage(hProcessPageListCtrl, LVM_GETITEMCOUNT, 0, 0) != PerfDataGetProcessCount())
 523                 SendMessage(hProcessPageListCtrl, LVM_SETITEMCOUNT, PerfDataGetProcessCount(), /*LVSICF_NOINVALIDATEALL|*/LVSICF_NOSCROLL);
 524
 525             if (IsWindowVisible(hProcessPage))
 526                 InvalidateRect(hProcessPageListCtrl, NULL, FALSE);
 527
 528             if (OldProcessorUsage != PerfDataGetProcessorUsage()) {
 529                 OldProcessorUsage = PerfDataGetProcessorUsage();
 530                 wsprintf(text, szCpuUsage, OldProcessorUsage);
 531                 SendMessage(hStatusWnd, SB_SETTEXT, 1, (LPARAM)text);
 532             }
 533             if (OldProcessCount != PerfDataGetProcessCount()) {
 534                 OldProcessCount = PerfDataGetProcessCount();
 535                 wsprintf(text, szProcesses, OldProcessCount);
 536                 SendMessage(hStatusWnd, SB_SETTEXT, 0, (LPARAM)text);
 537             }
 538         }
 539     }
 540         return 0;
 541 }