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 #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 <memory.h>
  28 #include <tchar.h>
  29 #include <stdio.h>
  30 #include <winnt.h>
  31
  32 #include "taskmgr.h"
  33 #include "perfdata.h"
  34 #include "column.h"
  35 #include <ctype.h>
  36
  37 HWND hProcessPage;                        /* Process List Property Page */
  38
  39 HWND hProcessPageListCtrl;                /* Process ListCtrl Window */
  40 HWND hProcessPageHeaderCtrl;            /* Process Header Control */
  41 HWND hProcessPageEndProcessButton;        /* Process End Process button */
  42 HWND hProcessPageShowAllProcessesButton;/* Process Show All Processes checkbox */
  43
  44 static int    nProcessPageWidth;
  45 static int    nProcessPageHeight;
  46
  47 static HANDLE    hProcessPageEvent = NULL;    /* When this event becomes signaled then we refresh the process list */
  48
  49
  50 static void CommaSeparateNumberString(LPWSTR strNumber, int nMaxCount)
  51 {
  52     WCHAR    temp[260];
  53     UINT    i, j, k;
  54     int len = lstrlenW(strNumber);
  55
  56     for (i=0; i < len % 3; i++)
  57         temp[i] = strNumber[i];
  58     for (k=0,j=i; i < len; i++,j++,k++) {
  59         if ((k % 3 == 0) && (j > 0))
  60             temp[j++] = ',';
  61         temp[j] = strNumber[i];
  62     }
  63     temp[j++] = 0;
  64     memcpy(strNumber, temp, min(nMaxCount, j) * sizeof(WCHAR));
  65 }
  66
  67 static void ProcessPageShowContextMenu(DWORD dwProcessId)
  68 {
  69     HMENU        hMenu;
  70     HMENU        hSubMenu;
  71     HMENU        hPriorityMenu;
  72     POINT        pt;
  73     SYSTEM_INFO  si;
  74     HANDLE       hProcess;
  75     DWORD        dwProcessPriorityClass;
  76     WCHAR        strDebugger[260];
  77     DWORD        dwDebuggerSize;
  78     HKEY         hKey;
  79     UINT         Idx;
  80     static const WCHAR wszAeDebugRegPath[] = {
  81         'S','o','f','t','w','a','r','e','\\',
  82         'M','i','c','r','o','s','o','f','t','\\',
  83         'W','i','n','d','o','w','s',' ','N','T','\\',
  84         'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
  85         'A','e','D','e','b','u','g',0};
  86
  87     memset(&si, 0, sizeof(SYSTEM_INFO));
  88
  89     GetCursorPos(&pt);
  90     GetSystemInfo(&si);
  91
  92     hMenu = LoadMenuW(hInst, MAKEINTRESOURCEW(IDR_PROCESS_PAGE_CONTEXT));
  93     hSubMenu = GetSubMenu(hMenu, 0);
  94     hPriorityMenu = GetSubMenu(hSubMenu, 4);
  95
  96     hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, dwProcessId);
  97     dwProcessPriorityClass = GetPriorityClass(hProcess);
  98     CloseHandle(hProcess);
  99
 100     if (si.dwNumberOfProcessors < 2)
 101         RemoveMenu(hSubMenu, ID_PROCESS_PAGE_SETAFFINITY, MF_BYCOMMAND);
 102
 103     if (!AreDebugChannelsSupported())
 104         RemoveMenu(hSubMenu, ID_PROCESS_PAGE_DEBUGCHANNELS, MF_BYCOMMAND);
 105
 106     switch (dwProcessPriorityClass)    {
 107     case REALTIME_PRIORITY_CLASS:
 108         CheckMenuRadioItem(hPriorityMenu, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, ID_PROCESS_PAGE_SETPRIORITY_LOW, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, MF_BYCOMMAND);
 109         break;
 110     case HIGH_PRIORITY_CLASS:
 111         CheckMenuRadioItem(hPriorityMenu, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, ID_PROCESS_PAGE_SETPRIORITY_LOW, ID_PROCESS_PAGE_SETPRIORITY_HIGH, MF_BYCOMMAND);
 112         break;
 113     case ABOVE_NORMAL_PRIORITY_CLASS:
 114         CheckMenuRadioItem(hPriorityMenu, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, ID_PROCESS_PAGE_SETPRIORITY_LOW, ID_PROCESS_PAGE_SETPRIORITY_ABOVENORMAL, MF_BYCOMMAND);
 115         break;
 116     case NORMAL_PRIORITY_CLASS:
 117         CheckMenuRadioItem(hPriorityMenu, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, ID_PROCESS_PAGE_SETPRIORITY_LOW, ID_PROCESS_PAGE_SETPRIORITY_NORMAL, MF_BYCOMMAND);
 118         break;
 119     case BELOW_NORMAL_PRIORITY_CLASS:
 120         CheckMenuRadioItem(hPriorityMenu, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, ID_PROCESS_PAGE_SETPRIORITY_LOW, ID_PROCESS_PAGE_SETPRIORITY_BELOWNORMAL, MF_BYCOMMAND);
 121         break;
 122     case IDLE_PRIORITY_CLASS:
 123         CheckMenuRadioItem(hPriorityMenu, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, ID_PROCESS_PAGE_SETPRIORITY_LOW, ID_PROCESS_PAGE_SETPRIORITY_LOW, MF_BYCOMMAND);
 124         break;
 125     }
 126
 127     if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, wszAeDebugRegPath, 0, KEY_READ, &hKey) == ERROR_SUCCESS)
 128     {
 129         static const WCHAR wszDebugger[] = {'D','e','b','u','g','g','e','r',0};
 130         dwDebuggerSize = 260;
 131         if (RegQueryValueExW(hKey, wszDebugger, NULL, NULL, (LPBYTE)strDebugger, &dwDebuggerSize) == ERROR_SUCCESS)
 132         {
 133             static const WCHAR wszDRWTSN32[] = {'D','R','W','T','S','N','3','2',0};
 134             for (Idx=0; Idx < lstrlenW(strDebugger); Idx++)
 135                 strDebugger[Idx] = toupper(strDebugger[Idx]);
 136
 137             if (wcsstr(strDebugger, wszDRWTSN32))
 138                 EnableMenuItem(hSubMenu, ID_PROCESS_PAGE_DEBUG, MF_BYCOMMAND|MF_DISABLED|MF_GRAYED);
 139         }
 140         else
 141             EnableMenuItem(hSubMenu, ID_PROCESS_PAGE_DEBUG, MF_BYCOMMAND|MF_DISABLED|MF_GRAYED);
 142
 143         RegCloseKey(hKey);
 144     } else {
 145         EnableMenuItem(hSubMenu, ID_PROCESS_PAGE_DEBUG, MF_BYCOMMAND|MF_DISABLED|MF_GRAYED);
 146     }
 147     TrackPopupMenu(hSubMenu, TPM_LEFTALIGN|TPM_TOPALIGN|TPM_LEFTBUTTON, pt.x, pt.y, 0, hMainWnd, NULL);
 148     DestroyMenu(hMenu);
 149 }
 150
 151 static void ProcessPageOnNotify(LPARAM lParam)
 152 {
 153     LPNMHDR            pnmh;
 154     NMLVDISPINFOW*     pnmdi;
 155     LVITEMW            lvitem;
 156     ULONG              Index, Count;
 157     ULONG              ColumnIndex;
 158     IO_COUNTERS        iocounters;
 159     TIME               time;
 160     static const WCHAR wszFmtD[] = {'%','d',0};
 161     static const WCHAR wszFmt02D[] = {'%','0','2','d',0};
 162     static const WCHAR wszUnitK[] = {' ','K',0};
 163
 164     pnmh = (LPNMHDR) lParam;
 165     pnmdi = (NMLVDISPINFOW*) lParam;
 166
 167     if (pnmh->hwndFrom == hProcessPageListCtrl)
 168     {
 169         switch (pnmh->code)
 170         {
 171 #if 0
 172         case LVN_ITEMCHANGED:
 173             ProcessPageUpdate();
 174             break;
 175 #endif
 176
 177         case LVN_GETDISPINFOW:
 178
 179             if (!(pnmdi->item.mask & LVIF_TEXT))
 180                 break;
 181
 182             ColumnIndex = pnmdi->item.iSubItem;
 183             Index = pnmdi->item.iItem;
 184
 185             if (ColumnDataHints[ColumnIndex] == COLUMN_IMAGENAME)
 186                 PerfDataGetImageName(Index, pnmdi->item.pszText, pnmdi->item.cchTextMax);
 187             if (ColumnDataHints[ColumnIndex] == COLUMN_PID)
 188                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetProcessId(Index));
 189             if (ColumnDataHints[ColumnIndex] == COLUMN_USERNAME)
 190                 PerfDataGetUserName(Index, pnmdi->item.pszText, pnmdi->item.cchTextMax);
 191             if (ColumnDataHints[ColumnIndex] == COLUMN_SESSIONID)
 192                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetSessionId(Index));
 193             if (ColumnDataHints[ColumnIndex] == COLUMN_CPUUSAGE)
 194                 wsprintfW(pnmdi->item.pszText, wszFmt02D, PerfDataGetCPUUsage(Index));
 195             if (ColumnDataHints[ColumnIndex] == COLUMN_CPUTIME)
 196             {
 197                 DWORD dwHours;
 198                 DWORD dwMinutes;
 199                 DWORD dwSeconds;
 200                 ULONGLONG secs;
 201                 static const WCHAR timefmt[] = {'%','d',':','%','0','2','d',':','%','0','2','d',0};
 202
 203                 time = PerfDataGetCPUTime(Index);
 204                 secs = time.QuadPart / 10000000;
 205                 dwHours = secs / 3600;
 206                 dwMinutes = (secs % 3600) / 60;
 207                 dwSeconds = (secs % 3600) % 60;
 208                 wsprintfW(pnmdi->item.pszText, timefmt, dwHours, dwMinutes, dwSeconds);
 209             }
 210             if (ColumnDataHints[ColumnIndex] == COLUMN_MEMORYUSAGE)
 211             {
 212                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetWorkingSetSizeBytes(Index) / 1024);
 213                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 214                 wcscat(pnmdi->item.pszText, wszUnitK);
 215             }
 216             if (ColumnDataHints[ColumnIndex] == COLUMN_PEAKMEMORYUSAGE)
 217             {
 218                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetPeakWorkingSetSizeBytes(Index) / 1024);
 219                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 220                 wcscat(pnmdi->item.pszText, wszUnitK);
 221             }
 222             if (ColumnDataHints[ColumnIndex] == COLUMN_MEMORYUSAGEDELTA)
 223             {
 224                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetWorkingSetSizeDelta(Index) / 1024);
 225                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 226                 wcscat(pnmdi->item.pszText, wszUnitK);
 227             }
 228             if (ColumnDataHints[ColumnIndex] == COLUMN_PAGEFAULTS)
 229             {
 230                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetPageFaultCount(Index));
 231                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 232             }
 233             if (ColumnDataHints[ColumnIndex] == COLUMN_PAGEFAULTSDELTA)
 234             {
 235                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetPageFaultCountDelta(Index));
 236                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 237             }
 238             if (ColumnDataHints[ColumnIndex] == COLUMN_VIRTUALMEMORYSIZE)
 239             {
 240                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetVirtualMemorySizeBytes(Index) / 1024);
 241                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 242                 wcscat(pnmdi->item.pszText, wszUnitK);
 243             }
 244             if (ColumnDataHints[ColumnIndex] == COLUMN_PAGEDPOOL)
 245             {
 246                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetPagedPoolUsagePages(Index) / 1024);
 247                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 248                 wcscat(pnmdi->item.pszText, wszUnitK);
 249             }
 250             if (ColumnDataHints[ColumnIndex] == COLUMN_NONPAGEDPOOL)
 251             {
 252                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetNonPagedPoolUsagePages(Index) / 1024);
 253                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 254                 wcscat(pnmdi->item.pszText, wszUnitK);
 255             }
 256             if (ColumnDataHints[ColumnIndex] == COLUMN_BASEPRIORITY)
 257                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetBasePriority(Index));
 258             if (ColumnDataHints[ColumnIndex] == COLUMN_HANDLECOUNT)
 259             {
 260                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetHandleCount(Index));
 261                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 262             }
 263             if (ColumnDataHints[ColumnIndex] == COLUMN_THREADCOUNT)
 264             {
 265                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetThreadCount(Index));
 266                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 267             }
 268             if (ColumnDataHints[ColumnIndex] == COLUMN_USEROBJECTS)
 269             {
 270                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetUSERObjectCount(Index));
 271                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 272             }
 273             if (ColumnDataHints[ColumnIndex] == COLUMN_GDIOBJECTS)
 274             {
 275                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetGDIObjectCount(Index));
 276                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 277             }
 278             if (ColumnDataHints[ColumnIndex] == COLUMN_IOREADS)
 279             {
 280                 PerfDataGetIOCounters(Index, &iocounters);
 281                 /* wsprintfW(pnmdi->item.pszText, wszFmtD, iocounters.ReadOperationCount); */
 282                 _ui64tow(iocounters.ReadOperationCount, pnmdi->item.pszText, 10);
 283                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 284             }
 285             if (ColumnDataHints[ColumnIndex] == COLUMN_IOWRITES)
 286             {
 287                 PerfDataGetIOCounters(Index, &iocounters);
 288                 /* wsprintfW(pnmdi->item.pszText, wszFmtD, iocounters.WriteOperationCount); */
 289                 _ui64tow(iocounters.WriteOperationCount, pnmdi->item.pszText, 10);
 290                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 291             }
 292             if (ColumnDataHints[ColumnIndex] == COLUMN_IOOTHER)
 293             {
 294                 PerfDataGetIOCounters(Index, &iocounters);
 295                 /* wsprintfW(pnmdi->item.pszText, wszFmtD, iocounters.OtherOperationCount); */
 296                 _ui64tow(iocounters.OtherOperationCount, pnmdi->item.pszText, 10);
 297                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 298             }
 299             if (ColumnDataHints[ColumnIndex] == COLUMN_IOREADBYTES)
 300             {
 301                 PerfDataGetIOCounters(Index, &iocounters);
 302                 /* wsprintfW(pnmdi->item.pszText, wszFmtD, iocounters.ReadTransferCount); */
 303                 _ui64tow(iocounters.ReadTransferCount, pnmdi->item.pszText, 10);
 304                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 305             }
 306             if (ColumnDataHints[ColumnIndex] == COLUMN_IOWRITEBYTES)
 307             {
 308                 PerfDataGetIOCounters(Index, &iocounters);
 309                 /* wsprintfW(pnmdi->item.pszText, wszFmtD, iocounters.WriteTransferCount); */
 310                 _ui64tow(iocounters.WriteTransferCount, pnmdi->item.pszText, 10);
 311                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 312             }
 313             if (ColumnDataHints[ColumnIndex] == COLUMN_IOOTHERBYTES)
 314             {
 315                 PerfDataGetIOCounters(Index, &iocounters);
 316                 /* wsprintfW(pnmdi->item.pszText, wszFmtD, iocounters.OtherTransferCount); */
 317                 _ui64tow(iocounters.OtherTransferCount, pnmdi->item.pszText, 10);
 318                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 319             }
 320
 321             break;
 322
 323         case NM_RCLICK:
 324             Count = SendMessageW(hProcessPageListCtrl, LVM_GETITEMCOUNT, 0, 0);
 325             for (Index=0; Index<Count; Index++)
 326             {
 327                 lvitem.mask = LVIF_STATE;
 328                 lvitem.stateMask = LVIS_SELECTED;
 329                 lvitem.iItem = Index;
 330                 lvitem.iSubItem = 0;
 331
 332                 SendMessageW(hProcessPageListCtrl, LVM_GETITEMW, 0, (LPARAM) &lvitem);
 333
 334                 if (lvitem.state & LVIS_SELECTED)
 335                     break;
 336             }
 337
 338             if ((SendMessageW(hProcessPageListCtrl, LVM_GETSELECTEDCOUNT, 0, 0) == 1) &&
 339                 (PerfDataGetProcessId(Index) != 0))
 340             {
 341                 ProcessPageShowContextMenu(PerfDataGetProcessId(Index));
 342             }
 343
 344             break;
 345
 346         }
 347     }
 348     else if (pnmh->hwndFrom == hProcessPageHeaderCtrl)
 349     {
 350         switch (pnmh->code)
 351         {
 352         case HDN_ITEMCLICKW:
 353
 354             /*
 355              * FIXME: Fix the column sorting
 356              *
 357              *ListView_SortItems(hApplicationPageListCtrl, ApplicationPageCompareFunc, NULL);
 358              *bSortAscending = !bSortAscending;
 359              */
 360
 361             break;
 362
 363         case HDN_ITEMCHANGEDW:
 364
 365             UpdateColumnDataHints();
 366
 367             break;
 368
 369         case HDN_ENDDRAG:
 370
 371             UpdateColumnDataHints();
 372
 373             break;
 374
 375         }
 376     }
 377
 378 }
 379
 380 void RefreshProcessPage(void)
 381 {
 382     /* Signal the event so that our refresh thread */
 383     /* will wake up and refresh the process page */
 384     SetEvent(hProcessPageEvent);
 385 }
 386
 387 static DWORD WINAPI ProcessPageRefreshThread(void *lpParameter)
 388 {
 389     ULONG    OldProcessorUsage = 0;
 390     ULONG    OldProcessCount = 0;
 391
 392     WCHAR    wszCPU_Usage[255];
 393     WCHAR    wszProcesses[255];
 394
 395     LoadStringW(hInst, IDS_STATUS_BAR_CPU_USAGE, wszCPU_Usage, sizeof(wszCPU_Usage)/sizeof(WCHAR));
 396     LoadStringW(hInst, IDS_STATUS_BAR_PROCESSES, wszProcesses, sizeof(wszProcesses)/sizeof(WCHAR));
 397
 398     /* Create the event */
 399     hProcessPageEvent = CreateEventW(NULL, TRUE, TRUE, NULL);
 400
 401     /* If we couldn't create the event then exit the thread */
 402     if (!hProcessPageEvent)
 403         return 0;
 404
 405     while (1) {
 406         DWORD    dwWaitVal;
 407
 408         /* Wait on the event */
 409         dwWaitVal = WaitForSingleObject(hProcessPageEvent, INFINITE);
 410
 411         /* If the wait failed then the event object must have been */
 412         /* closed and the task manager is exiting so exit this thread */
 413         if (dwWaitVal == WAIT_FAILED)
 414             return 0;
 415
 416         if (dwWaitVal == WAIT_OBJECT_0) {
 417             WCHAR    text[256];
 418
 419             /* Reset our event */
 420             ResetEvent(hProcessPageEvent);
 421
 422             if (SendMessageW(hProcessPageListCtrl, LVM_GETITEMCOUNT, 0, 0) != PerfDataGetProcessCount())
 423                 SendMessageW(hProcessPageListCtrl, LVM_SETITEMCOUNT, PerfDataGetProcessCount(), /*LVSICF_NOINVALIDATEALL|*/LVSICF_NOSCROLL);
 424
 425             if (IsWindowVisible(hProcessPage))
 426                 InvalidateRect(hProcessPageListCtrl, NULL, FALSE);
 427
 428             if (OldProcessorUsage != PerfDataGetProcessorUsage()) {
 429                 OldProcessorUsage = PerfDataGetProcessorUsage();
 430                 wsprintfW(text, wszCPU_Usage, OldProcessorUsage);
 431                 SendMessageW(hStatusWnd, SB_SETTEXTW, 1, (LPARAM)text);
 432             }
 433             if (OldProcessCount != PerfDataGetProcessCount()) {
 434                 OldProcessCount = PerfDataGetProcessCount();
 435                 wsprintfW(text, wszProcesses, OldProcessCount);
 436                 SendMessageW(hStatusWnd, SB_SETTEXTW, 0, (LPARAM)text);
 437             }
 438         }
 439     }
 440         return 0;
 441 }
 442
 443 INT_PTR CALLBACK
 444 ProcessPageWndProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
 445 {
 446     RECT    rc;
 447     int        nXDifference;
 448     int        nYDifference;
 449     int        cx, cy;
 450     DWORD      extended_styles;
 451
 452     switch (message) {
 453     case WM_INITDIALOG:
 454         /*
 455          * Save the width and height
 456          */
 457         GetClientRect(hDlg, &rc);
 458         nProcessPageWidth = rc.right;
 459         nProcessPageHeight = rc.bottom;
 460
 461         /* Update window position */
 462         SetWindowPos(hDlg, NULL, 15, 30, 0, 0, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOSIZE|SWP_NOZORDER);
 463
 464         /*
 465          * Get handles to the controls
 466          */
 467         hProcessPageListCtrl = GetDlgItem(hDlg, IDC_PROCESSLIST);
 468         hProcessPageHeaderCtrl = (HWND)SendMessageW(hProcessPageListCtrl, LVM_GETHEADER, 0, 0);
 469         hProcessPageEndProcessButton = GetDlgItem(hDlg, IDC_ENDPROCESS);
 470         hProcessPageShowAllProcessesButton = GetDlgItem(hDlg, IDC_SHOWALLPROCESSES);
 471
 472         /*
 473          * Set the extended window styles for the list control
 474          */
 475         extended_styles = SendMessageW(hProcessPageListCtrl, LVM_GETEXTENDEDLISTVIEWSTYLE, 0, 0);
 476         SendMessageW(hProcessPageListCtrl, LVM_SETEXTENDEDLISTVIEWSTYLE, 0, extended_styles | LVS_EX_FULLROWSELECT | LVS_EX_HEADERDRAGDROP);
 477
 478         AddColumns();
 479
 480         /*
 481          * Subclass the process list control so we can intercept WM_ERASEBKGND
 482          */
 483         OldProcessListWndProc = (WNDPROC)SetWindowLongPtrW(hProcessPageListCtrl, GWLP_WNDPROC, (LONG_PTR)ProcessListWndProc);
 484
 485         /* Start our refresh thread */
 486          CreateThread(NULL, 0, ProcessPageRefreshThread, NULL, 0, NULL);
 487
 488         return TRUE;
 489
 490     case WM_DESTROY:
 491         /* Close the event handle, this will make the */
 492         /* refresh thread exit when the wait fails */
 493         CloseHandle(hProcessPageEvent);
 494
 495         SaveColumnSettings();
 496
 497         break;
 498
 499     case WM_COMMAND:
 500         /* Handle the button clicks */
 501         switch (LOWORD(wParam))
 502         {
 503                 case IDC_ENDPROCESS:
 504                         ProcessPage_OnEndProcess();
 505         }
 506         break;
 507
 508     case WM_SIZE:
 509         if (wParam == SIZE_MINIMIZED)
 510             return 0;
 511
 512         cx = LOWORD(lParam);
 513         cy = HIWORD(lParam);
 514         nXDifference = cx - nProcessPageWidth;
 515         nYDifference = cy - nProcessPageHeight;
 516         nProcessPageWidth = cx;
 517         nProcessPageHeight = cy;
 518
 519         /* Reposition the application page's controls */
 520         GetWindowRect(hProcessPageListCtrl, &rc);
 521         cx = (rc.right - rc.left) + nXDifference;
 522         cy = (rc.bottom - rc.top) + nYDifference;
 523         SetWindowPos(hProcessPageListCtrl, NULL, 0, 0, cx, cy, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOMOVE|SWP_NOZORDER);
 524         InvalidateRect(hProcessPageListCtrl, NULL, TRUE);
 525
 526         GetClientRect(hProcessPageEndProcessButton, &rc);
 527         MapWindowPoints(hProcessPageEndProcessButton, hDlg, (LPPOINT)(&rc), (sizeof(RECT)/sizeof(POINT)) );
 528            cx = rc.left + nXDifference;
 529         cy = rc.top + nYDifference;
 530         SetWindowPos(hProcessPageEndProcessButton, NULL, cx, cy, 0, 0, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOSIZE|SWP_NOZORDER);
 531         InvalidateRect(hProcessPageEndProcessButton, NULL, TRUE);
 532
 533         GetClientRect(hProcessPageShowAllProcessesButton, &rc);
 534         MapWindowPoints(hProcessPageShowAllProcessesButton, hDlg, (LPPOINT)(&rc), (sizeof(RECT)/sizeof(POINT)) );
 535            cx = rc.left;
 536         cy = rc.top + nYDifference;
 537         SetWindowPos(hProcessPageShowAllProcessesButton, NULL, cx, cy, 0, 0, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOSIZE|SWP_NOZORDER);
 538         InvalidateRect(hProcessPageShowAllProcessesButton, NULL, TRUE);
 539
 540         break;
 541
 542     case WM_NOTIFY:
 543         ProcessPageOnNotify(lParam);
 544         break;
 545     }
 546
 547     return 0;
 548 }