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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #include <ctype.h>
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26
  27 #include <windows.h>
  28 #include <commctrl.h>
  29 #include <winnt.h>
  30
  31 #include "taskmgr.h"
  32 #include "perfdata.h"
  33 #include "column.h"
  34
  35 HWND hProcessPage;                        /* Process List Property Page */
  36
  37 HWND hProcessPageListCtrl;                /* Process ListCtrl Window */
  38 HWND hProcessPageHeaderCtrl;            /* Process Header Control */
  39 HWND hProcessPageEndProcessButton;        /* Process End Process button */
  40 HWND hProcessPageShowAllProcessesButton;/* Process Show All Processes checkbox */
  41
  42 static int    nProcessPageWidth;
  43 static int    nProcessPageHeight;
  44
  45 static HANDLE    hProcessPageEvent = NULL;    /* When this event becomes signaled then we refresh the process list */
  46
  47
  48 static void CommaSeparateNumberString(LPWSTR strNumber, int nMaxCount)
  49 {
  50     WCHAR    temp[260];
  51     UINT    i, j, k;
  52     int len = lstrlenW(strNumber);
  53
  54     for (i=0; i < len % 3; i++)
  55         temp[i] = strNumber[i];
  56     for (k=0,j=i; i < len; i++,j++,k++) {
  57         if ((k % 3 == 0) && (j > 0))
  58             temp[j++] = ',';
  59         temp[j] = strNumber[i];
  60     }
  61     temp[j++] = 0;
  62     memcpy(strNumber, temp, min(nMaxCount, j) * sizeof(WCHAR));
  63 }
  64
  65 static void ProcessPageShowContextMenu(DWORD dwProcessId)
  66 {
  67     HMENU        hMenu;
  68     HMENU        hSubMenu;
  69     HMENU        hPriorityMenu;
  70     POINT        pt;
  71     SYSTEM_INFO  si;
  72     HANDLE       hProcess;
  73     DWORD        dwProcessPriorityClass;
  74     WCHAR        strDebugger[260];
  75     DWORD        dwDebuggerSize;
  76     HKEY         hKey;
  77     UINT         Idx;
  78     static const WCHAR wszAeDebugRegPath[] = {
  79         'S','o','f','t','w','a','r','e','\\',
  80         'M','i','c','r','o','s','o','f','t','\\',
  81         'W','i','n','d','o','w','s',' ','N','T','\\',
  82         'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
  83         'A','e','D','e','b','u','g',0};
  84
  85     memset(&si, 0, sizeof(SYSTEM_INFO));
  86
  87     GetCursorPos(&pt);
  88     GetSystemInfo(&si);
  89
  90     hMenu = LoadMenuW(hInst, MAKEINTRESOURCEW(IDR_PROCESS_PAGE_CONTEXT));
  91     hSubMenu = GetSubMenu(hMenu, 0);
  92     hPriorityMenu = GetSubMenu(hSubMenu, 4);
  93
  94     hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, dwProcessId);
  95     dwProcessPriorityClass = GetPriorityClass(hProcess);
  96     CloseHandle(hProcess);
  97
  98     if (si.dwNumberOfProcessors < 2)
  99         RemoveMenu(hSubMenu, ID_PROCESS_PAGE_SETAFFINITY, MF_BYCOMMAND);
 100
 101     if (!AreDebugChannelsSupported())
 102         RemoveMenu(hSubMenu, ID_PROCESS_PAGE_DEBUGCHANNELS, MF_BYCOMMAND);
 103
 104     switch (dwProcessPriorityClass)    {
 105     case REALTIME_PRIORITY_CLASS:
 106         CheckMenuRadioItem(hPriorityMenu, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, ID_PROCESS_PAGE_SETPRIORITY_LOW, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, MF_BYCOMMAND);
 107         break;
 108     case HIGH_PRIORITY_CLASS:
 109         CheckMenuRadioItem(hPriorityMenu, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, ID_PROCESS_PAGE_SETPRIORITY_LOW, ID_PROCESS_PAGE_SETPRIORITY_HIGH, MF_BYCOMMAND);
 110         break;
 111     case ABOVE_NORMAL_PRIORITY_CLASS:
 112         CheckMenuRadioItem(hPriorityMenu, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, ID_PROCESS_PAGE_SETPRIORITY_LOW, ID_PROCESS_PAGE_SETPRIORITY_ABOVENORMAL, MF_BYCOMMAND);
 113         break;
 114     case NORMAL_PRIORITY_CLASS:
 115         CheckMenuRadioItem(hPriorityMenu, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, ID_PROCESS_PAGE_SETPRIORITY_LOW, ID_PROCESS_PAGE_SETPRIORITY_NORMAL, MF_BYCOMMAND);
 116         break;
 117     case BELOW_NORMAL_PRIORITY_CLASS:
 118         CheckMenuRadioItem(hPriorityMenu, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, ID_PROCESS_PAGE_SETPRIORITY_LOW, ID_PROCESS_PAGE_SETPRIORITY_BELOWNORMAL, MF_BYCOMMAND);
 119         break;
 120     case IDLE_PRIORITY_CLASS:
 121         CheckMenuRadioItem(hPriorityMenu, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, ID_PROCESS_PAGE_SETPRIORITY_LOW, ID_PROCESS_PAGE_SETPRIORITY_LOW, MF_BYCOMMAND);
 122         break;
 123     }
 124
 125     if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, wszAeDebugRegPath, 0, KEY_READ, &hKey) == ERROR_SUCCESS)
 126     {
 127         static const WCHAR wszDebugger[] = {'D','e','b','u','g','g','e','r',0};
 128         dwDebuggerSize = 260;
 129         if (RegQueryValueExW(hKey, wszDebugger, NULL, NULL, (LPBYTE)strDebugger, &dwDebuggerSize) == ERROR_SUCCESS)
 130         {
 131             static const WCHAR wszDRWTSN32[] = {'D','R','W','T','S','N','3','2',0};
 132             for (Idx=0; Idx < lstrlenW(strDebugger); Idx++)
 133                 strDebugger[Idx] = toupper(strDebugger[Idx]);
 134
 135             if (wcsstr(strDebugger, wszDRWTSN32))
 136                 EnableMenuItem(hSubMenu, ID_PROCESS_PAGE_DEBUG, MF_BYCOMMAND|MF_DISABLED|MF_GRAYED);
 137         }
 138         else
 139             EnableMenuItem(hSubMenu, ID_PROCESS_PAGE_DEBUG, MF_BYCOMMAND|MF_DISABLED|MF_GRAYED);
 140
 141         RegCloseKey(hKey);
 142     } else {
 143         EnableMenuItem(hSubMenu, ID_PROCESS_PAGE_DEBUG, MF_BYCOMMAND|MF_DISABLED|MF_GRAYED);
 144     }
 145     TrackPopupMenu(hSubMenu, TPM_LEFTALIGN|TPM_TOPALIGN|TPM_LEFTBUTTON, pt.x, pt.y, 0, hMainWnd, NULL);
 146     DestroyMenu(hMenu);
 147 }
 148
 149 static void ProcessPageOnNotify(LPARAM lParam)
 150 {
 151     LPNMHDR            pnmh;
 152     NMLVDISPINFOW*     pnmdi;
 153     LVITEMW            lvitem;
 154     ULONG              Index, Count;
 155     ULONG              ColumnIndex;
 156     IO_COUNTERS        iocounters;
 157     TIME               time;
 158     static const WCHAR wszFmtD[] = {'%','d',0};
 159     static const WCHAR wszFmt02D[] = {'%','0','2','d',0};
 160     static const WCHAR wszUnitK[] = {' ','K',0};
 161
 162     pnmh = (LPNMHDR) lParam;
 163     pnmdi = (NMLVDISPINFOW*) lParam;
 164
 165     if (pnmh->hwndFrom == hProcessPageListCtrl)
 166     {
 167         switch (pnmh->code)
 168         {
 169 #if 0
 170         case LVN_ITEMCHANGED:
 171             ProcessPageUpdate();
 172             break;
 173 #endif
 174
 175         case LVN_GETDISPINFOW:
 176
 177             if (!(pnmdi->item.mask & LVIF_TEXT))
 178                 break;
 179
 180             ColumnIndex = pnmdi->item.iSubItem;
 181             Index = pnmdi->item.iItem;
 182
 183             if (ColumnDataHints[ColumnIndex] == COLUMN_IMAGENAME)
 184                 PerfDataGetImageName(Index, pnmdi->item.pszText, pnmdi->item.cchTextMax);
 185             if (ColumnDataHints[ColumnIndex] == COLUMN_PID)
 186                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetProcessId(Index));
 187             if (ColumnDataHints[ColumnIndex] == COLUMN_USERNAME)
 188                 PerfDataGetUserName(Index, pnmdi->item.pszText, pnmdi->item.cchTextMax);
 189             if (ColumnDataHints[ColumnIndex] == COLUMN_SESSIONID)
 190                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetSessionId(Index));
 191             if (ColumnDataHints[ColumnIndex] == COLUMN_CPUUSAGE)
 192                 wsprintfW(pnmdi->item.pszText, wszFmt02D, PerfDataGetCPUUsage(Index));
 193             if (ColumnDataHints[ColumnIndex] == COLUMN_CPUTIME)
 194             {
 195                 DWORD dwHours;
 196                 DWORD dwMinutes;
 197                 DWORD dwSeconds;
 198                 ULONGLONG secs;
 199                 static const WCHAR timefmt[] = {'%','d',':','%','0','2','d',':','%','0','2','d',0};
 200
 201                 time = PerfDataGetCPUTime(Index);
 202                 secs = time.QuadPart / 10000000;
 203                 dwHours = secs / 3600;
 204                 dwMinutes = (secs % 3600) / 60;
 205                 dwSeconds = (secs % 3600) % 60;
 206                 wsprintfW(pnmdi->item.pszText, timefmt, dwHours, dwMinutes, dwSeconds);
 207             }
 208             if (ColumnDataHints[ColumnIndex] == COLUMN_MEMORYUSAGE)
 209             {
 210                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetWorkingSetSizeBytes(Index) / 1024);
 211                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 212                 wcscat(pnmdi->item.pszText, wszUnitK);
 213             }
 214             if (ColumnDataHints[ColumnIndex] == COLUMN_PEAKMEMORYUSAGE)
 215             {
 216                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetPeakWorkingSetSizeBytes(Index) / 1024);
 217                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 218                 wcscat(pnmdi->item.pszText, wszUnitK);
 219             }
 220             if (ColumnDataHints[ColumnIndex] == COLUMN_MEMORYUSAGEDELTA)
 221             {
 222                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetWorkingSetSizeDelta(Index) / 1024);
 223                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 224                 wcscat(pnmdi->item.pszText, wszUnitK);
 225             }
 226             if (ColumnDataHints[ColumnIndex] == COLUMN_PAGEFAULTS)
 227             {
 228                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetPageFaultCount(Index));
 229                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 230             }
 231             if (ColumnDataHints[ColumnIndex] == COLUMN_PAGEFAULTSDELTA)
 232             {
 233                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetPageFaultCountDelta(Index));
 234                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 235             }
 236             if (ColumnDataHints[ColumnIndex] == COLUMN_VIRTUALMEMORYSIZE)
 237             {
 238                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetVirtualMemorySizeBytes(Index) / 1024);
 239                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 240                 wcscat(pnmdi->item.pszText, wszUnitK);
 241             }
 242             if (ColumnDataHints[ColumnIndex] == COLUMN_PAGEDPOOL)
 243             {
 244                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetPagedPoolUsagePages(Index) / 1024);
 245                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 246                 wcscat(pnmdi->item.pszText, wszUnitK);
 247             }
 248             if (ColumnDataHints[ColumnIndex] == COLUMN_NONPAGEDPOOL)
 249             {
 250                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetNonPagedPoolUsagePages(Index) / 1024);
 251                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 252                 wcscat(pnmdi->item.pszText, wszUnitK);
 253             }
 254             if (ColumnDataHints[ColumnIndex] == COLUMN_BASEPRIORITY)
 255                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetBasePriority(Index));
 256             if (ColumnDataHints[ColumnIndex] == COLUMN_HANDLECOUNT)
 257             {
 258                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetHandleCount(Index));
 259                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 260             }
 261             if (ColumnDataHints[ColumnIndex] == COLUMN_THREADCOUNT)
 262             {
 263                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetThreadCount(Index));
 264                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 265             }
 266             if (ColumnDataHints[ColumnIndex] == COLUMN_USEROBJECTS)
 267             {
 268                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetUSERObjectCount(Index));
 269                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 270             }
 271             if (ColumnDataHints[ColumnIndex] == COLUMN_GDIOBJECTS)
 272             {
 273                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetGDIObjectCount(Index));
 274                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 275             }
 276             if (ColumnDataHints[ColumnIndex] == COLUMN_IOREADS)
 277             {
 278                 PerfDataGetIOCounters(Index, &iocounters);
 279                 /* wsprintfW(pnmdi->item.pszText, wszFmtD, iocounters.ReadOperationCount); */
 280                 _ui64tow(iocounters.ReadOperationCount, pnmdi->item.pszText, 10);
 281                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 282             }
 283             if (ColumnDataHints[ColumnIndex] == COLUMN_IOWRITES)
 284             {
 285                 PerfDataGetIOCounters(Index, &iocounters);
 286                 /* wsprintfW(pnmdi->item.pszText, wszFmtD, iocounters.WriteOperationCount); */
 287                 _ui64tow(iocounters.WriteOperationCount, pnmdi->item.pszText, 10);
 288                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 289             }
 290             if (ColumnDataHints[ColumnIndex] == COLUMN_IOOTHER)
 291             {
 292                 PerfDataGetIOCounters(Index, &iocounters);
 293                 /* wsprintfW(pnmdi->item.pszText, wszFmtD, iocounters.OtherOperationCount); */
 294                 _ui64tow(iocounters.OtherOperationCount, pnmdi->item.pszText, 10);
 295                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 296             }
 297             if (ColumnDataHints[ColumnIndex] == COLUMN_IOREADBYTES)
 298             {
 299                 PerfDataGetIOCounters(Index, &iocounters);
 300                 /* wsprintfW(pnmdi->item.pszText, wszFmtD, iocounters.ReadTransferCount); */
 301                 _ui64tow(iocounters.ReadTransferCount, pnmdi->item.pszText, 10);
 302                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 303             }
 304             if (ColumnDataHints[ColumnIndex] == COLUMN_IOWRITEBYTES)
 305             {
 306                 PerfDataGetIOCounters(Index, &iocounters);
 307                 /* wsprintfW(pnmdi->item.pszText, wszFmtD, iocounters.WriteTransferCount); */
 308                 _ui64tow(iocounters.WriteTransferCount, pnmdi->item.pszText, 10);
 309                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 310             }
 311             if (ColumnDataHints[ColumnIndex] == COLUMN_IOOTHERBYTES)
 312             {
 313                 PerfDataGetIOCounters(Index, &iocounters);
 314                 /* wsprintfW(pnmdi->item.pszText, wszFmtD, iocounters.OtherTransferCount); */
 315                 _ui64tow(iocounters.OtherTransferCount, pnmdi->item.pszText, 10);
 316                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 317             }
 318
 319             break;
 320
 321         case NM_RCLICK:
 322             Count = SendMessageW(hProcessPageListCtrl, LVM_GETITEMCOUNT, 0, 0);
 323             for (Index=0; Index<Count; Index++)
 324             {
 325                 lvitem.mask = LVIF_STATE;
 326                 lvitem.stateMask = LVIS_SELECTED;
 327                 lvitem.iItem = Index;
 328                 lvitem.iSubItem = 0;
 329
 330                 SendMessageW(hProcessPageListCtrl, LVM_GETITEMW, 0, (LPARAM) &lvitem);
 331
 332                 if (lvitem.state & LVIS_SELECTED)
 333                     break;
 334             }
 335
 336             if ((SendMessageW(hProcessPageListCtrl, LVM_GETSELECTEDCOUNT, 0, 0) == 1) &&
 337                 (PerfDataGetProcessId(Index) != 0))
 338             {
 339                 ProcessPageShowContextMenu(PerfDataGetProcessId(Index));
 340             }
 341
 342             break;
 343
 344         }
 345     }
 346     else if (pnmh->hwndFrom == hProcessPageHeaderCtrl)
 347     {
 348         switch (pnmh->code)
 349         {
 350         case HDN_ITEMCLICKW:
 351
 352             /*
 353              * FIXME: Fix the column sorting
 354              *
 355              *ListView_SortItems(hApplicationPageListCtrl, ApplicationPageCompareFunc, NULL);
 356              *bSortAscending = !bSortAscending;
 357              */
 358
 359             break;
 360
 361         case HDN_ITEMCHANGEDW:
 362
 363             UpdateColumnDataHints();
 364
 365             break;
 366
 367         case HDN_ENDDRAG:
 368
 369             UpdateColumnDataHints();
 370
 371             break;
 372
 373         }
 374     }
 375
 376 }
 377
 378 void RefreshProcessPage(void)
 379 {
 380     /* Signal the event so that our refresh thread */
 381     /* will wake up and refresh the process page */
 382     SetEvent(hProcessPageEvent);
 383 }
 384
 385 static DWORD WINAPI ProcessPageRefreshThread(void *lpParameter)
 386 {
 387     ULONG    OldProcessorUsage = 0;
 388     ULONG    OldProcessCount = 0;
 389
 390     WCHAR    wszCPU_Usage[255];
 391     WCHAR    wszProcesses[255];
 392
 393     LoadStringW(hInst, IDS_STATUS_BAR_CPU_USAGE, wszCPU_Usage, sizeof(wszCPU_Usage)/sizeof(WCHAR));
 394     LoadStringW(hInst, IDS_STATUS_BAR_PROCESSES, wszProcesses, sizeof(wszProcesses)/sizeof(WCHAR));
 395
 396     /* Create the event */
 397     hProcessPageEvent = CreateEventW(NULL, TRUE, TRUE, NULL);
 398
 399     /* If we couldn't create the event then exit the thread */
 400     if (!hProcessPageEvent)
 401         return 0;
 402
 403     while (1) {
 404         DWORD    dwWaitVal;
 405
 406         /* Wait on the event */
 407         dwWaitVal = WaitForSingleObject(hProcessPageEvent, INFINITE);
 408
 409         /* If the wait failed then the event object must have been */
 410         /* closed and the task manager is exiting so exit this thread */
 411         if (dwWaitVal == WAIT_FAILED)
 412             return 0;
 413
 414         if (dwWaitVal == WAIT_OBJECT_0) {
 415             WCHAR    text[256];
 416
 417             /* Reset our event */
 418             ResetEvent(hProcessPageEvent);
 419
 420             if (SendMessageW(hProcessPageListCtrl, LVM_GETITEMCOUNT, 0, 0) != PerfDataGetProcessCount())
 421                 SendMessageW(hProcessPageListCtrl, LVM_SETITEMCOUNT, PerfDataGetProcessCount(), /*LVSICF_NOINVALIDATEALL|*/LVSICF_NOSCROLL);
 422
 423             if (IsWindowVisible(hProcessPage))
 424                 InvalidateRect(hProcessPageListCtrl, NULL, FALSE);
 425
 426             if (OldProcessorUsage != PerfDataGetProcessorUsage()) {
 427                 OldProcessorUsage = PerfDataGetProcessorUsage();
 428                 wsprintfW(text, wszCPU_Usage, OldProcessorUsage);
 429                 SendMessageW(hStatusWnd, SB_SETTEXTW, 1, (LPARAM)text);
 430             }
 431             if (OldProcessCount != PerfDataGetProcessCount()) {
 432                 OldProcessCount = PerfDataGetProcessCount();
 433                 wsprintfW(text, wszProcesses, OldProcessCount);
 434                 SendMessageW(hStatusWnd, SB_SETTEXTW, 0, (LPARAM)text);
 435             }
 436         }
 437     }
 438         return 0;
 439 }
 440
 441 INT_PTR CALLBACK
 442 ProcessPageWndProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
 443 {
 444     RECT    rc;
 445     int        nXDifference;
 446     int        nYDifference;
 447     int        cx, cy;
 448     DWORD      extended_styles;
 449
 450     switch (message) {
 451     case WM_INITDIALOG:
 452         /*
 453          * Save the width and height
 454          */
 455         GetClientRect(hDlg, &rc);
 456         nProcessPageWidth = rc.right;
 457         nProcessPageHeight = rc.bottom;
 458
 459         /* Update window position */
 460         SetWindowPos(hDlg, NULL, 15, 30, 0, 0, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOSIZE|SWP_NOZORDER);
 461
 462         /*
 463          * Get handles to the controls
 464          */
 465         hProcessPageListCtrl = GetDlgItem(hDlg, IDC_PROCESSLIST);
 466         hProcessPageHeaderCtrl = (HWND)SendMessageW(hProcessPageListCtrl, LVM_GETHEADER, 0, 0);
 467         hProcessPageEndProcessButton = GetDlgItem(hDlg, IDC_ENDPROCESS);
 468         hProcessPageShowAllProcessesButton = GetDlgItem(hDlg, IDC_SHOWALLPROCESSES);
 469
 470         /*
 471          * Set the extended window styles for the list control
 472          */
 473         extended_styles = SendMessageW(hProcessPageListCtrl, LVM_GETEXTENDEDLISTVIEWSTYLE, 0, 0);
 474         SendMessageW(hProcessPageListCtrl, LVM_SETEXTENDEDLISTVIEWSTYLE, 0, extended_styles | LVS_EX_FULLROWSELECT | LVS_EX_HEADERDRAGDROP);
 475
 476         AddColumns();
 477
 478         /*
 479          * Subclass the process list control so we can intercept WM_ERASEBKGND
 480          */
 481         OldProcessListWndProc = (WNDPROC)SetWindowLongPtrW(hProcessPageListCtrl, GWLP_WNDPROC, (LONG_PTR)ProcessListWndProc);
 482
 483         /* Start our refresh thread */
 484         CloseHandle( CreateThread(NULL, 0, ProcessPageRefreshThread, NULL, 0, NULL));
 485
 486         return TRUE;
 487
 488     case WM_DESTROY:
 489         /* Close the event handle, this will make the */
 490         /* refresh thread exit when the wait fails */
 491         CloseHandle(hProcessPageEvent);
 492
 493         SaveColumnSettings();
 494
 495         break;
 496
 497     case WM_COMMAND:
 498         /* Handle the button clicks */
 499         switch (LOWORD(wParam))
 500         {
 501                 case IDC_ENDPROCESS:
 502                         ProcessPage_OnEndProcess();
 503         }
 504         break;
 505
 506     case WM_SIZE:
 507         if (wParam == SIZE_MINIMIZED)
 508             return 0;
 509
 510         cx = LOWORD(lParam);
 511         cy = HIWORD(lParam);
 512         nXDifference = cx - nProcessPageWidth;
 513         nYDifference = cy - nProcessPageHeight;
 514         nProcessPageWidth = cx;
 515         nProcessPageHeight = cy;
 516
 517         /* Reposition the application page's controls */
 518         GetWindowRect(hProcessPageListCtrl, &rc);
 519         cx = (rc.right - rc.left) + nXDifference;
 520         cy = (rc.bottom - rc.top) + nYDifference;
 521         SetWindowPos(hProcessPageListCtrl, NULL, 0, 0, cx, cy, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOMOVE|SWP_NOZORDER);
 522         InvalidateRect(hProcessPageListCtrl, NULL, TRUE);
 523
 524         GetClientRect(hProcessPageEndProcessButton, &rc);
 525         MapWindowPoints(hProcessPageEndProcessButton, hDlg, (LPPOINT)(&rc), (sizeof(RECT)/sizeof(POINT)) );
 526            cx = rc.left + nXDifference;
 527         cy = rc.top + nYDifference;
 528         SetWindowPos(hProcessPageEndProcessButton, NULL, cx, cy, 0, 0, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOSIZE|SWP_NOZORDER);
 529         InvalidateRect(hProcessPageEndProcessButton, NULL, TRUE);
 530
 531         GetClientRect(hProcessPageShowAllProcessesButton, &rc);
 532         MapWindowPoints(hProcessPageShowAllProcessesButton, hDlg, (LPPOINT)(&rc), (sizeof(RECT)/sizeof(POINT)) );
 533            cx = rc.left;
 534         cy = rc.top + nYDifference;
 535         SetWindowPos(hProcessPageShowAllProcessesButton, NULL, cx, cy, 0, 0, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOSIZE|SWP_NOZORDER);
 536         InvalidateRect(hProcessPageShowAllProcessesButton, NULL, TRUE);
 537
 538         break;
 539
 540     case WM_NOTIFY:
 541         ProcessPageOnNotify(lParam);
 542         break;
 543     }
 544
 545     return 0;
 546 }