programs/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 #define WIN32_LEAN_AND_MEAN    /* Exclude rarely-used stuff from Windows headers */
  24 #include <windows.h>
  25 #include <commctrl.h>
  26 #include <stdlib.h>
  27 #include <malloc.h>
  28 #include <memory.h>
  29 #include <tchar.h>
  30 #include <stdio.h>
  31 #include <winnt.h>
  32
  33 #include "taskmgr.h"
  34 #include "perfdata.h"
  35 #include "column.h"
  36 #include <ctype.h>
  37
  38 HWND hProcessPage;                        /* Process List Property Page */
  39
  40 HWND hProcessPageListCtrl;                /* Process ListCtrl Window */
  41 HWND hProcessPageHeaderCtrl;            /* Process Header Control */
  42 HWND hProcessPageEndProcessButton;        /* Process End Process button */
  43 HWND hProcessPageShowAllProcessesButton;/* Process Show All Processes checkbox */
  44
  45 static int    nProcessPageWidth;
  46 static int    nProcessPageHeight;
  47
  48 static HANDLE    hProcessPageEvent = NULL;    /* When this event becomes signaled then we refresh the process list */
  49
  50 void ProcessPageOnNotify(WPARAM wParam, LPARAM lParam);
  51 void CommaSeparateNumberString(LPTSTR strNumber, int nMaxCount);
  52 void ProcessPageShowContextMenu(DWORD dwProcessId);
  53 DWORD WINAPI ProcessPageRefreshThread(void *lpParameter);
  54
  55 LRESULT CALLBACK ProcessPageWndProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
  56 {
  57     RECT    rc;
  58     int        nXDifference;
  59     int        nYDifference;
  60     int        cx, cy;
  61
  62     switch (message) {
  63     case WM_INITDIALOG:
  64         /*
  65          * Save the width and height
  66          */
  67         GetClientRect(hDlg, &rc);
  68         nProcessPageWidth = rc.right;
  69         nProcessPageHeight = rc.bottom;
  70
  71         /* Update window position */
  72         SetWindowPos(hDlg, NULL, 15, 30, 0, 0, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOSIZE|SWP_NOZORDER);
  73
  74         /*
  75          * Get handles to the controls
  76          */
  77         hProcessPageListCtrl = GetDlgItem(hDlg, IDC_PROCESSLIST);
  78         hProcessPageHeaderCtrl = ListView_GetHeader(hProcessPageListCtrl);
  79         hProcessPageEndProcessButton = GetDlgItem(hDlg, IDC_ENDPROCESS);
  80         hProcessPageShowAllProcessesButton = GetDlgItem(hDlg, IDC_SHOWALLPROCESSES);
  81
  82         /*
  83          * Set the font, title, and extended window styles for the list control
  84          */
  85         SendMessage(hProcessPageListCtrl, WM_SETFONT, SendMessage(hProcessPage, WM_GETFONT, 0, 0), TRUE);
  86         SetWindowText(hProcessPageListCtrl, _T("Processes"));
  87         ListView_SetExtendedListViewStyle(hProcessPageListCtrl, ListView_GetExtendedListViewStyle(hProcessPageListCtrl) | LVS_EX_FULLROWSELECT | LVS_EX_HEADERDRAGDROP);
  88
  89         AddColumns();
  90
  91         /*
  92          * Subclass the process list control so we can intercept WM_ERASEBKGND
  93          */
  94         OldProcessListWndProc = SetWindowLong(hProcessPageListCtrl, GWL_WNDPROC, (LONG)ProcessListWndProc);
  95
  96         /* Start our refresh thread */
  97          CreateThread(NULL, 0, ProcessPageRefreshThread, NULL, 0, NULL);
  98
  99         return TRUE;
 100
 101     case WM_DESTROY:
 102         /* Close the event handle, this will make the */
 103         /* refresh thread exit when the wait fails */
 104         CloseHandle(hProcessPageEvent);
 105
 106         SaveColumnSettings();
 107
 108         break;
 109
 110     case WM_COMMAND:
 111         break;
 112
 113     case WM_SIZE:
 114         if (wParam == SIZE_MINIMIZED)
 115             return 0;
 116
 117         cx = LOWORD(lParam);
 118         cy = HIWORD(lParam);
 119         nXDifference = cx - nProcessPageWidth;
 120         nYDifference = cy - nProcessPageHeight;
 121         nProcessPageWidth = cx;
 122         nProcessPageHeight = cy;
 123
 124         /* Reposition the application page's controls */
 125         GetWindowRect(hProcessPageListCtrl, &rc);
 126         cx = (rc.right - rc.left) + nXDifference;
 127         cy = (rc.bottom - rc.top) + nYDifference;
 128         SetWindowPos(hProcessPageListCtrl, NULL, 0, 0, cx, cy, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOMOVE|SWP_NOZORDER);
 129         InvalidateRect(hProcessPageListCtrl, NULL, TRUE);
 130
 131         GetClientRect(hProcessPageEndProcessButton, &rc);
 132         MapWindowPoints(hProcessPageEndProcessButton, hDlg, (LPPOINT)(&rc), (sizeof(RECT)/sizeof(POINT)) );
 133            cx = rc.left + nXDifference;
 134         cy = rc.top + nYDifference;
 135         SetWindowPos(hProcessPageEndProcessButton, NULL, cx, cy, 0, 0, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOSIZE|SWP_NOZORDER);
 136         InvalidateRect(hProcessPageEndProcessButton, NULL, TRUE);
 137
 138         GetClientRect(hProcessPageShowAllProcessesButton, &rc);
 139         MapWindowPoints(hProcessPageShowAllProcessesButton, hDlg, (LPPOINT)(&rc), (sizeof(RECT)/sizeof(POINT)) );
 140            cx = rc.left;
 141         cy = rc.top + nYDifference;
 142         SetWindowPos(hProcessPageShowAllProcessesButton, NULL, cx, cy, 0, 0, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOSIZE|SWP_NOZORDER);
 143         InvalidateRect(hProcessPageShowAllProcessesButton, NULL, TRUE);
 144
 145         break;
 146
 147     case WM_NOTIFY:
 148
 149         ProcessPageOnNotify(wParam, lParam);
 150         break;
 151     }
 152
 153     return 0;
 154 }
 155
 156 void ProcessPageOnNotify(WPARAM wParam, LPARAM lParam)
 157 {
 158     int                idctrl;
 159     LPNMHDR            pnmh;
 160     LPNMLISTVIEW    pnmv;
 161     NMLVDISPINFO*    pnmdi;
 162     LPNMHEADER        pnmhdr;
 163     LVITEM            lvitem;
 164     ULONG            Index;
 165     ULONG            ColumnIndex;
 166     IO_COUNTERS        iocounters;
 167     TIME            time;
 168
 169     idctrl = (int) wParam;
 170     pnmh = (LPNMHDR) lParam;
 171     pnmv = (LPNMLISTVIEW) lParam;
 172     pnmdi = (NMLVDISPINFO*) lParam;
 173     pnmhdr = (LPNMHEADER) lParam;
 174
 175     if (pnmh->hwndFrom == hProcessPageListCtrl)
 176     {
 177         switch (pnmh->code)
 178         {
 179 #if 0
 180         case LVN_ITEMCHANGED:
 181             ProcessPageUpdate();
 182             break;
 183 #endif
 184
 185         case LVN_GETDISPINFO:
 186
 187             if (!(pnmdi->item.mask & LVIF_TEXT))
 188                 break;
 189
 190             ColumnIndex = pnmdi->item.iSubItem;
 191             Index = pnmdi->item.iItem;
 192
 193             if (ColumnDataHints[ColumnIndex] == COLUMN_IMAGENAME)
 194                 PerfDataGetImageName(Index, pnmdi->item.pszText, pnmdi->item.cchTextMax);
 195             if (ColumnDataHints[ColumnIndex] == COLUMN_PID)
 196                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetProcessId(Index));
 197             if (ColumnDataHints[ColumnIndex] == COLUMN_USERNAME)
 198                 PerfDataGetUserName(Index, pnmdi->item.pszText, pnmdi->item.cchTextMax);
 199             if (ColumnDataHints[ColumnIndex] == COLUMN_SESSIONID)
 200                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetSessionId(Index));
 201             if (ColumnDataHints[ColumnIndex] == COLUMN_CPUUSAGE)
 202                 wsprintf(pnmdi->item.pszText, _T("%02d"), PerfDataGetCPUUsage(Index));
 203             if (ColumnDataHints[ColumnIndex] == COLUMN_CPUTIME)
 204             {
 205                 DWORD dwHours;
 206                 DWORD dwMinutes;
 207                 DWORD dwSeconds;
 208
 209                 time = PerfDataGetCPUTime(Index);
 210 #ifdef _MSC_VER
 211                 dwHours = (DWORD)(time.QuadPart / 36000000000L);
 212                 dwMinutes = (DWORD)((time.QuadPart % 36000000000L) / 600000000L);
 213                 dwSeconds = (DWORD)(((time.QuadPart % 36000000000L) % 600000000L) / 10000000L);
 214 #else
 215                 dwHours = (DWORD)(time.QuadPart / 36000000000LL);
 216                 dwMinutes = (DWORD)((time.QuadPart % 36000000000LL) / 600000000LL);
 217                 dwSeconds = (DWORD)(((time.QuadPart % 36000000000LL) % 600000000LL) / 10000000LL);
 218 #endif
 219                 wsprintf(pnmdi->item.pszText, _T("%d:%02d:%02d"), dwHours, dwMinutes, dwSeconds);
 220             }
 221             if (ColumnDataHints[ColumnIndex] == COLUMN_MEMORYUSAGE)
 222             {
 223                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetWorkingSetSizeBytes(Index) / 1024);
 224                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 225                 _tcscat(pnmdi->item.pszText, _T(" K"));
 226             }
 227             if (ColumnDataHints[ColumnIndex] == COLUMN_PEAKMEMORYUSAGE)
 228             {
 229                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetPeakWorkingSetSizeBytes(Index) / 1024);
 230                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 231                 _tcscat(pnmdi->item.pszText, _T(" K"));
 232             }
 233             if (ColumnDataHints[ColumnIndex] == COLUMN_MEMORYUSAGEDELTA)
 234             {
 235                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetWorkingSetSizeDelta(Index) / 1024);
 236                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 237                 _tcscat(pnmdi->item.pszText, _T(" K"));
 238             }
 239             if (ColumnDataHints[ColumnIndex] == COLUMN_PAGEFAULTS)
 240             {
 241                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetPageFaultCount(Index));
 242                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 243             }
 244             if (ColumnDataHints[ColumnIndex] == COLUMN_PAGEFAULTSDELTA)
 245             {
 246                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetPageFaultCountDelta(Index));
 247                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 248             }
 249             if (ColumnDataHints[ColumnIndex] == COLUMN_VIRTUALMEMORYSIZE)
 250             {
 251                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetVirtualMemorySizeBytes(Index) / 1024);
 252                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 253                 _tcscat(pnmdi->item.pszText, _T(" K"));
 254             }
 255             if (ColumnDataHints[ColumnIndex] == COLUMN_PAGEDPOOL)
 256             {
 257                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetPagedPoolUsagePages(Index) / 1024);
 258                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 259                 _tcscat(pnmdi->item.pszText, _T(" K"));
 260             }
 261             if (ColumnDataHints[ColumnIndex] == COLUMN_NONPAGEDPOOL)
 262             {
 263                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetNonPagedPoolUsagePages(Index) / 1024);
 264                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 265                 _tcscat(pnmdi->item.pszText, _T(" K"));
 266             }
 267             if (ColumnDataHints[ColumnIndex] == COLUMN_BASEPRIORITY)
 268                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetBasePriority(Index));
 269             if (ColumnDataHints[ColumnIndex] == COLUMN_HANDLECOUNT)
 270             {
 271                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetHandleCount(Index));
 272                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 273             }
 274             if (ColumnDataHints[ColumnIndex] == COLUMN_THREADCOUNT)
 275             {
 276                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetThreadCount(Index));
 277                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 278             }
 279             if (ColumnDataHints[ColumnIndex] == COLUMN_USEROBJECTS)
 280             {
 281                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetUSERObjectCount(Index));
 282                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 283             }
 284             if (ColumnDataHints[ColumnIndex] == COLUMN_GDIOBJECTS)
 285             {
 286                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetGDIObjectCount(Index));
 287                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 288             }
 289             if (ColumnDataHints[ColumnIndex] == COLUMN_IOREADS)
 290             {
 291                 PerfDataGetIOCounters(Index, &iocounters);
 292                 /* wsprintf(pnmdi->item.pszText, _T("%d"), iocounters.ReadOperationCount); */
 293 #ifdef UNICODE
 294 #define _ui64toa _ui64tow
 295 #else
 296 #endif
 297                 _ui64toa(iocounters.ReadOperationCount, pnmdi->item.pszText, 10);
 298                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 299             }
 300             if (ColumnDataHints[ColumnIndex] == COLUMN_IOWRITES)
 301             {
 302                 PerfDataGetIOCounters(Index, &iocounters);
 303                 /* wsprintf(pnmdi->item.pszText, _T("%d"), iocounters.WriteOperationCount); */
 304                 _ui64toa(iocounters.WriteOperationCount, pnmdi->item.pszText, 10);
 305                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 306             }
 307             if (ColumnDataHints[ColumnIndex] == COLUMN_IOOTHER)
 308             {
 309                 PerfDataGetIOCounters(Index, &iocounters);
 310                 /* wsprintf(pnmdi->item.pszText, _T("%d"), iocounters.OtherOperationCount); */
 311                 _ui64toa(iocounters.OtherOperationCount, pnmdi->item.pszText, 10);
 312                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 313             }
 314             if (ColumnDataHints[ColumnIndex] == COLUMN_IOREADBYTES)
 315             {
 316                 PerfDataGetIOCounters(Index, &iocounters);
 317                 /* wsprintf(pnmdi->item.pszText, _T("%d"), iocounters.ReadTransferCount); */
 318                 _ui64toa(iocounters.ReadTransferCount, pnmdi->item.pszText, 10);
 319                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 320             }
 321             if (ColumnDataHints[ColumnIndex] == COLUMN_IOWRITEBYTES)
 322             {
 323                 PerfDataGetIOCounters(Index, &iocounters);
 324                 /* wsprintf(pnmdi->item.pszText, _T("%d"), iocounters.WriteTransferCount); */
 325                 _ui64toa(iocounters.WriteTransferCount, pnmdi->item.pszText, 10);
 326                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 327             }
 328             if (ColumnDataHints[ColumnIndex] == COLUMN_IOOTHERBYTES)
 329             {
 330                 PerfDataGetIOCounters(Index, &iocounters);
 331                 /* wsprintf(pnmdi->item.pszText, _T("%d"), iocounters.OtherTransferCount); */
 332                 _ui64toa(iocounters.OtherTransferCount, pnmdi->item.pszText, 10);
 333                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 334             }
 335
 336             break;
 337
 338         case NM_RCLICK:
 339
 340             for (Index=0; Index<(ULONG)ListView_GetItemCount(hProcessPageListCtrl); Index++)
 341             {
 342                 memset(&lvitem, 0, sizeof(LVITEM));
 343
 344                 lvitem.mask = LVIF_STATE;
 345                 lvitem.stateMask = LVIS_SELECTED;
 346                 lvitem.iItem = Index;
 347
 348                 ListView_GetItem(hProcessPageListCtrl, &lvitem);
 349
 350                 if (lvitem.state & LVIS_SELECTED)
 351                     break;
 352             }
 353
 354             if ((ListView_GetSelectedCount(hProcessPageListCtrl) == 1) &&
 355                 (PerfDataGetProcessId(Index) != 0))
 356             {
 357                 ProcessPageShowContextMenu(PerfDataGetProcessId(Index));
 358             }
 359
 360             break;
 361
 362         }
 363     }
 364     else if (pnmh->hwndFrom == hProcessPageHeaderCtrl)
 365     {
 366         switch (pnmh->code)
 367         {
 368         case HDN_ITEMCLICK:
 369
 370             /*
 371              * FIXME: Fix the column sorting
 372              *
 373              *ListView_SortItems(hApplicationPageListCtrl, ApplicationPageCompareFunc, NULL);
 374              *bSortAscending = !bSortAscending;
 375              */
 376
 377             break;
 378
 379         case HDN_ITEMCHANGED:
 380
 381             UpdateColumnDataHints();
 382
 383             break;
 384
 385         case HDN_ENDDRAG:
 386
 387             UpdateColumnDataHints();
 388
 389             break;
 390
 391         }
 392     }
 393
 394 }
 395
 396 void CommaSeparateNumberString(LPTSTR strNumber, int nMaxCount)
 397 {
 398     TCHAR    temp[260];
 399     UINT    i, j, k;
 400
 401     for (i=0,j=0; i<(_tcslen(strNumber) % 3); i++, j++)
 402         temp[j] = strNumber[i];
 403     for (k=0; i<_tcslen(strNumber); i++,j++,k++) {
 404         if ((k % 3 == 0) && (j > 0))
 405             temp[j++] = _T(',');
 406         temp[j] = strNumber[i];
 407     }
 408     temp[j] = _T('\0');
 409     _tcsncpy(strNumber, temp, nMaxCount);
 410 }
 411
 412 void ProcessPageShowContextMenu(DWORD dwProcessId)
 413 {
 414     HMENU        hMenu;
 415     HMENU        hSubMenu;
 416     HMENU        hPriorityMenu;
 417     POINT        pt;
 418     SYSTEM_INFO    si;
 419     HANDLE        hProcess;
 420     DWORD        dwProcessPriorityClass;
 421     TCHAR        strDebugger[260];
 422     DWORD        dwDebuggerSize;
 423     HKEY        hKey;
 424     UINT        Idx;
 425
 426     memset(&si, 0, sizeof(SYSTEM_INFO));
 427
 428     GetCursorPos(&pt);
 429     GetSystemInfo(&si);
 430
 431     hMenu = LoadMenu(hInst, MAKEINTRESOURCE(IDR_PROCESS_PAGE_CONTEXT));
 432     hSubMenu = GetSubMenu(hMenu, 0);
 433     hPriorityMenu = GetSubMenu(hSubMenu, 4);
 434
 435     hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, dwProcessId);
 436     dwProcessPriorityClass = GetPriorityClass(hProcess);
 437     CloseHandle(hProcess);
 438
 439     if (si.dwNumberOfProcessors < 2)
 440         RemoveMenu(hSubMenu, ID_PROCESS_PAGE_SETAFFINITY, MF_BYCOMMAND);
 441
 442     if (!AreDebugChannelsSupported())
 443         RemoveMenu(hSubMenu, ID_PROCESS_PAGE_DEBUGCHANNELS, MF_BYCOMMAND);
 444
 445     switch (dwProcessPriorityClass)    {
 446     case REALTIME_PRIORITY_CLASS:
 447         CheckMenuRadioItem(hPriorityMenu, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, ID_PROCESS_PAGE_SETPRIORITY_LOW, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, MF_BYCOMMAND);
 448         break;
 449     case HIGH_PRIORITY_CLASS:
 450         CheckMenuRadioItem(hPriorityMenu, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, ID_PROCESS_PAGE_SETPRIORITY_LOW, ID_PROCESS_PAGE_SETPRIORITY_HIGH, MF_BYCOMMAND);
 451         break;
 452     case ABOVE_NORMAL_PRIORITY_CLASS:
 453         CheckMenuRadioItem(hPriorityMenu, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, ID_PROCESS_PAGE_SETPRIORITY_LOW, ID_PROCESS_PAGE_SETPRIORITY_ABOVENORMAL, MF_BYCOMMAND);
 454         break;
 455     case NORMAL_PRIORITY_CLASS:
 456         CheckMenuRadioItem(hPriorityMenu, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, ID_PROCESS_PAGE_SETPRIORITY_LOW, ID_PROCESS_PAGE_SETPRIORITY_NORMAL, MF_BYCOMMAND);
 457         break;
 458     case BELOW_NORMAL_PRIORITY_CLASS:
 459         CheckMenuRadioItem(hPriorityMenu, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, ID_PROCESS_PAGE_SETPRIORITY_LOW, ID_PROCESS_PAGE_SETPRIORITY_BELOWNORMAL, MF_BYCOMMAND);
 460         break;
 461     case IDLE_PRIORITY_CLASS:
 462         CheckMenuRadioItem(hPriorityMenu, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, ID_PROCESS_PAGE_SETPRIORITY_LOW, ID_PROCESS_PAGE_SETPRIORITY_LOW, MF_BYCOMMAND);
 463         break;
 464     }
 465
 466     if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, _T("Software\\Microsoft\\Windows NT\\CurrentVersion\\AeDebug"), 0, KEY_READ, &hKey) == ERROR_SUCCESS)
 467     {
 468         dwDebuggerSize = 260;
 469         if (RegQueryValueEx(hKey, _T("Debugger"), NULL, NULL, (LPBYTE)strDebugger, &dwDebuggerSize) == ERROR_SUCCESS)
 470         {
 471             for (Idx=0; Idx<_tcslen(strDebugger); Idx++)
 472                 strDebugger[Idx] = toupper(strDebugger[Idx]);
 473
 474             if (_tcsstr(strDebugger, _T("DRWTSN32")))
 475                 EnableMenuItem(hSubMenu, ID_PROCESS_PAGE_DEBUG, MF_BYCOMMAND|MF_DISABLED|MF_GRAYED);
 476         }
 477         else
 478             EnableMenuItem(hSubMenu, ID_PROCESS_PAGE_DEBUG, MF_BYCOMMAND|MF_DISABLED|MF_GRAYED);
 479
 480         RegCloseKey(hKey);
 481     } else {
 482         EnableMenuItem(hSubMenu, ID_PROCESS_PAGE_DEBUG, MF_BYCOMMAND|MF_DISABLED|MF_GRAYED);
 483     }
 484     TrackPopupMenu(hSubMenu, TPM_LEFTALIGN|TPM_TOPALIGN|TPM_LEFTBUTTON, pt.x, pt.y, 0, hMainWnd, NULL);
 485     DestroyMenu(hMenu);
 486 }
 487
 488 void RefreshProcessPage(void)
 489 {
 490     /* Signal the event so that our refresh thread */
 491     /* will wake up and refresh the process page */
 492     SetEvent(hProcessPageEvent);
 493 }
 494
 495 DWORD WINAPI ProcessPageRefreshThread(void *lpParameter)
 496 {
 497     ULONG    OldProcessorUsage = 0;
 498     ULONG    OldProcessCount = 0;
 499
 500     /* Create the event */
 501     hProcessPageEvent = CreateEvent(NULL, TRUE, TRUE, _T("Process Page Event"));
 502
 503     /* If we couldn't create the event then exit the thread */
 504     if (!hProcessPageEvent)
 505         return 0;
 506
 507     while (1) {
 508         DWORD    dwWaitVal;
 509
 510         /* Wait on the event */
 511         dwWaitVal = WaitForSingleObject(hProcessPageEvent, INFINITE);
 512
 513         /* If the wait failed then the event object must have been */
 514         /* closed and the task manager is exiting so exit this thread */
 515         if (dwWaitVal == WAIT_FAILED)
 516             return 0;
 517
 518         if (dwWaitVal == WAIT_OBJECT_0) {
 519             TCHAR    text[260];
 520
 521             /* Reset our event */
 522             ResetEvent(hProcessPageEvent);
 523
 524             if ((ULONG)SendMessage(hProcessPageListCtrl, LVM_GETITEMCOUNT, 0, 0) != PerfDataGetProcessCount())
 525                 SendMessage(hProcessPageListCtrl, LVM_SETITEMCOUNT, PerfDataGetProcessCount(), /*LVSICF_NOINVALIDATEALL|*/LVSICF_NOSCROLL);
 526
 527             if (IsWindowVisible(hProcessPage))
 528                 InvalidateRect(hProcessPageListCtrl, NULL, FALSE);
 529
 530             if (OldProcessorUsage != PerfDataGetProcessorUsage()) {
 531                 OldProcessorUsage = PerfDataGetProcessorUsage();
 532                 wsprintf(text, _T("CPU Usage: %3d%%"), OldProcessorUsage);
 533                 SendMessage(hStatusWnd, SB_SETTEXT, 1, (LPARAM)text);
 534             }
 535             if (OldProcessCount != PerfDataGetProcessCount()) {
 536                 OldProcessCount = PerfDataGetProcessCount();
 537                 wsprintf(text, _T("Processes: %d"), OldProcessCount);
 538                 SendMessage(hStatusWnd, SB_SETTEXT, 0, (LPARAM)text);
 539             }
 540         }
 541     }
 542         return 0;
 543 }