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 = LoadMenu(hInst, MAKEINTRESOURCE(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(WPARAM wParam, LPARAM lParam)
 152 {
 153     int                idctrl;
 154     LPNMHDR            pnmh;
 155     LPNMLISTVIEW       pnmv;
 156     NMLVDISPINFOW*     pnmdi;
 157     LPNMHEADERW        pnmhdr;
 158     LVITEM             lvitem;
 159     ULONG              Index;
 160     ULONG              ColumnIndex;
 161     IO_COUNTERS        iocounters;
 162     TIME               time;
 163     static const WCHAR wszFmtD[] = {'%','d',0};
 164     static const WCHAR wszFmt02D[] = {'%','0','2','d',0};
 165     static const WCHAR wszUnitK[] = {' ','K',0};
 166
 167     idctrl = (int) wParam;
 168     pnmh = (LPNMHDR) lParam;
 169     pnmv = (LPNMLISTVIEW) lParam;
 170     pnmdi = (NMLVDISPINFOW*) lParam;
 171     pnmhdr = (LPNMHEADERW) lParam;
 172
 173     if (pnmh->hwndFrom == hProcessPageListCtrl)
 174     {
 175         switch (pnmh->code)
 176         {
 177 #if 0
 178         case LVN_ITEMCHANGED:
 179             ProcessPageUpdate();
 180             break;
 181 #endif
 182
 183         case LVN_GETDISPINFOW:
 184
 185             if (!(pnmdi->item.mask & LVIF_TEXT))
 186                 break;
 187
 188             ColumnIndex = pnmdi->item.iSubItem;
 189             Index = pnmdi->item.iItem;
 190
 191             if (ColumnDataHints[ColumnIndex] == COLUMN_IMAGENAME)
 192                 PerfDataGetImageName(Index, pnmdi->item.pszText, pnmdi->item.cchTextMax);
 193             if (ColumnDataHints[ColumnIndex] == COLUMN_PID)
 194                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetProcessId(Index));
 195             if (ColumnDataHints[ColumnIndex] == COLUMN_USERNAME)
 196                 PerfDataGetUserName(Index, pnmdi->item.pszText, pnmdi->item.cchTextMax);
 197             if (ColumnDataHints[ColumnIndex] == COLUMN_SESSIONID)
 198                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetSessionId(Index));
 199             if (ColumnDataHints[ColumnIndex] == COLUMN_CPUUSAGE)
 200                 wsprintfW(pnmdi->item.pszText, wszFmt02D, PerfDataGetCPUUsage(Index));
 201             if (ColumnDataHints[ColumnIndex] == COLUMN_CPUTIME)
 202             {
 203                 DWORD dwHours;
 204                 DWORD dwMinutes;
 205                 DWORD dwSeconds;
 206                 ULONGLONG secs;
 207                 static const WCHAR timefmt[] = {'%','d',':','%','0','2','d',':','%','0','2','d',0};
 208
 209                 time = PerfDataGetCPUTime(Index);
 210                 secs = time.QuadPart / 10000000;
 211                 dwHours = secs / 3600;
 212                 dwMinutes = (secs % 3600) / 60;
 213                 dwSeconds = (secs % 3600) % 60;
 214                 wsprintfW(pnmdi->item.pszText, timefmt, dwHours, dwMinutes, dwSeconds);
 215             }
 216             if (ColumnDataHints[ColumnIndex] == COLUMN_MEMORYUSAGE)
 217             {
 218                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetWorkingSetSizeBytes(Index) / 1024);
 219                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 220                 wcscat(pnmdi->item.pszText, wszUnitK);
 221             }
 222             if (ColumnDataHints[ColumnIndex] == COLUMN_PEAKMEMORYUSAGE)
 223             {
 224                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetPeakWorkingSetSizeBytes(Index) / 1024);
 225                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 226                 wcscat(pnmdi->item.pszText, wszUnitK);
 227             }
 228             if (ColumnDataHints[ColumnIndex] == COLUMN_MEMORYUSAGEDELTA)
 229             {
 230                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetWorkingSetSizeDelta(Index) / 1024);
 231                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 232                 wcscat(pnmdi->item.pszText, wszUnitK);
 233             }
 234             if (ColumnDataHints[ColumnIndex] == COLUMN_PAGEFAULTS)
 235             {
 236                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetPageFaultCount(Index));
 237                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 238             }
 239             if (ColumnDataHints[ColumnIndex] == COLUMN_PAGEFAULTSDELTA)
 240             {
 241                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetPageFaultCountDelta(Index));
 242                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 243             }
 244             if (ColumnDataHints[ColumnIndex] == COLUMN_VIRTUALMEMORYSIZE)
 245             {
 246                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetVirtualMemorySizeBytes(Index) / 1024);
 247                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 248                 wcscat(pnmdi->item.pszText, wszUnitK);
 249             }
 250             if (ColumnDataHints[ColumnIndex] == COLUMN_PAGEDPOOL)
 251             {
 252                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetPagedPoolUsagePages(Index) / 1024);
 253                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 254                 wcscat(pnmdi->item.pszText, wszUnitK);
 255             }
 256             if (ColumnDataHints[ColumnIndex] == COLUMN_NONPAGEDPOOL)
 257             {
 258                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetNonPagedPoolUsagePages(Index) / 1024);
 259                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 260                 wcscat(pnmdi->item.pszText, wszUnitK);
 261             }
 262             if (ColumnDataHints[ColumnIndex] == COLUMN_BASEPRIORITY)
 263                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetBasePriority(Index));
 264             if (ColumnDataHints[ColumnIndex] == COLUMN_HANDLECOUNT)
 265             {
 266                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetHandleCount(Index));
 267                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 268             }
 269             if (ColumnDataHints[ColumnIndex] == COLUMN_THREADCOUNT)
 270             {
 271                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetThreadCount(Index));
 272                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 273             }
 274             if (ColumnDataHints[ColumnIndex] == COLUMN_USEROBJECTS)
 275             {
 276                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetUSERObjectCount(Index));
 277                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 278             }
 279             if (ColumnDataHints[ColumnIndex] == COLUMN_GDIOBJECTS)
 280             {
 281                 wsprintfW(pnmdi->item.pszText, wszFmtD, PerfDataGetGDIObjectCount(Index));
 282                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 283             }
 284             if (ColumnDataHints[ColumnIndex] == COLUMN_IOREADS)
 285             {
 286                 PerfDataGetIOCounters(Index, &iocounters);
 287                 /* wsprintfW(pnmdi->item.pszText, wszFmtD, iocounters.ReadOperationCount); */
 288                 _ui64tow(iocounters.ReadOperationCount, pnmdi->item.pszText, 10);
 289                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 290             }
 291             if (ColumnDataHints[ColumnIndex] == COLUMN_IOWRITES)
 292             {
 293                 PerfDataGetIOCounters(Index, &iocounters);
 294                 /* wsprintfW(pnmdi->item.pszText, wszFmtD, iocounters.WriteOperationCount); */
 295                 _ui64tow(iocounters.WriteOperationCount, pnmdi->item.pszText, 10);
 296                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 297             }
 298             if (ColumnDataHints[ColumnIndex] == COLUMN_IOOTHER)
 299             {
 300                 PerfDataGetIOCounters(Index, &iocounters);
 301                 /* wsprintfW(pnmdi->item.pszText, wszFmtD, iocounters.OtherOperationCount); */
 302                 _ui64tow(iocounters.OtherOperationCount, pnmdi->item.pszText, 10);
 303                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 304             }
 305             if (ColumnDataHints[ColumnIndex] == COLUMN_IOREADBYTES)
 306             {
 307                 PerfDataGetIOCounters(Index, &iocounters);
 308                 /* wsprintfW(pnmdi->item.pszText, wszFmtD, iocounters.ReadTransferCount); */
 309                 _ui64tow(iocounters.ReadTransferCount, pnmdi->item.pszText, 10);
 310                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 311             }
 312             if (ColumnDataHints[ColumnIndex] == COLUMN_IOWRITEBYTES)
 313             {
 314                 PerfDataGetIOCounters(Index, &iocounters);
 315                 /* wsprintfW(pnmdi->item.pszText, wszFmtD, iocounters.WriteTransferCount); */
 316                 _ui64tow(iocounters.WriteTransferCount, pnmdi->item.pszText, 10);
 317                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 318             }
 319             if (ColumnDataHints[ColumnIndex] == COLUMN_IOOTHERBYTES)
 320             {
 321                 PerfDataGetIOCounters(Index, &iocounters);
 322                 /* wsprintfW(pnmdi->item.pszText, wszFmtD, iocounters.OtherTransferCount); */
 323                 _ui64tow(iocounters.OtherTransferCount, pnmdi->item.pszText, 10);
 324                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 325             }
 326
 327             break;
 328
 329         case NM_RCLICK:
 330
 331             for (Index=0; Index<(ULONG)ListView_GetItemCount(hProcessPageListCtrl); Index++)
 332             {
 333                 lvitem.mask = LVIF_STATE;
 334                 lvitem.stateMask = LVIS_SELECTED;
 335                 lvitem.iItem = Index;
 336                 lvitem.iSubItem = 0;
 337
 338                 SendMessage(hProcessPageListCtrl, LVM_GETITEM, 0, (LPARAM) &lvitem);
 339
 340                 if (lvitem.state & LVIS_SELECTED)
 341                     break;
 342             }
 343
 344             if ((ListView_GetSelectedCount(hProcessPageListCtrl) == 1) &&
 345                 (PerfDataGetProcessId(Index) != 0))
 346             {
 347                 ProcessPageShowContextMenu(PerfDataGetProcessId(Index));
 348             }
 349
 350             break;
 351
 352         }
 353     }
 354     else if (pnmh->hwndFrom == hProcessPageHeaderCtrl)
 355     {
 356         switch (pnmh->code)
 357         {
 358         case HDN_ITEMCLICKW:
 359
 360             /*
 361              * FIXME: Fix the column sorting
 362              *
 363              *ListView_SortItems(hApplicationPageListCtrl, ApplicationPageCompareFunc, NULL);
 364              *bSortAscending = !bSortAscending;
 365              */
 366
 367             break;
 368
 369         case HDN_ITEMCHANGEDW:
 370
 371             UpdateColumnDataHints();
 372
 373             break;
 374
 375         case HDN_ENDDRAG:
 376
 377             UpdateColumnDataHints();
 378
 379             break;
 380
 381         }
 382     }
 383
 384 }
 385
 386 void RefreshProcessPage(void)
 387 {
 388     /* Signal the event so that our refresh thread */
 389     /* will wake up and refresh the process page */
 390     SetEvent(hProcessPageEvent);
 391 }
 392
 393 static DWORD WINAPI ProcessPageRefreshThread(void *lpParameter)
 394 {
 395     ULONG    OldProcessorUsage = 0;
 396     ULONG    OldProcessCount = 0;
 397
 398     WCHAR    wszCPU_Usage[255];
 399     WCHAR    wszProcesses[255];
 400
 401     LoadStringW(hInst, IDS_STATUS_BAR_CPU_USAGE, wszCPU_Usage, sizeof(wszCPU_Usage)/sizeof(WCHAR));
 402     LoadStringW(hInst, IDS_STATUS_BAR_PROCESSES, wszProcesses, sizeof(wszProcesses)/sizeof(WCHAR));
 403
 404     /* Create the event */
 405     hProcessPageEvent = CreateEvent(NULL, TRUE, TRUE, NULL);
 406
 407     /* If we couldn't create the event then exit the thread */
 408     if (!hProcessPageEvent)
 409         return 0;
 410
 411     while (1) {
 412         DWORD    dwWaitVal;
 413
 414         /* Wait on the event */
 415         dwWaitVal = WaitForSingleObject(hProcessPageEvent, INFINITE);
 416
 417         /* If the wait failed then the event object must have been */
 418         /* closed and the task manager is exiting so exit this thread */
 419         if (dwWaitVal == WAIT_FAILED)
 420             return 0;
 421
 422         if (dwWaitVal == WAIT_OBJECT_0) {
 423             WCHAR    text[256];
 424
 425             /* Reset our event */
 426             ResetEvent(hProcessPageEvent);
 427
 428             if ((ULONG)SendMessage(hProcessPageListCtrl, LVM_GETITEMCOUNT, 0, 0) != PerfDataGetProcessCount())
 429                 SendMessage(hProcessPageListCtrl, LVM_SETITEMCOUNT, PerfDataGetProcessCount(), /*LVSICF_NOINVALIDATEALL|*/LVSICF_NOSCROLL);
 430
 431             if (IsWindowVisible(hProcessPage))
 432                 InvalidateRect(hProcessPageListCtrl, NULL, FALSE);
 433
 434             if (OldProcessorUsage != PerfDataGetProcessorUsage()) {
 435                 OldProcessorUsage = PerfDataGetProcessorUsage();
 436                 wsprintfW(text, wszCPU_Usage, OldProcessorUsage);
 437                 SendMessageW(hStatusWnd, SB_SETTEXTW, 1, (LPARAM)text);
 438             }
 439             if (OldProcessCount != PerfDataGetProcessCount()) {
 440                 OldProcessCount = PerfDataGetProcessCount();
 441                 wsprintfW(text, wszProcesses, OldProcessCount);
 442                 SendMessageW(hStatusWnd, SB_SETTEXTW, 0, (LPARAM)text);
 443             }
 444         }
 445     }
 446         return 0;
 447 }
 448
 449 INT_PTR CALLBACK
 450 ProcessPageWndProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
 451 {
 452     RECT    rc;
 453     int        nXDifference;
 454     int        nYDifference;
 455     int        cx, cy;
 456
 457     switch (message) {
 458     case WM_INITDIALOG:
 459         /*
 460          * Save the width and height
 461          */
 462         GetClientRect(hDlg, &rc);
 463         nProcessPageWidth = rc.right;
 464         nProcessPageHeight = rc.bottom;
 465
 466         /* Update window position */
 467         SetWindowPos(hDlg, NULL, 15, 30, 0, 0, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOSIZE|SWP_NOZORDER);
 468
 469         /*
 470          * Get handles to the controls
 471          */
 472         hProcessPageListCtrl = GetDlgItem(hDlg, IDC_PROCESSLIST);
 473         hProcessPageHeaderCtrl = ListView_GetHeader(hProcessPageListCtrl);
 474         hProcessPageEndProcessButton = GetDlgItem(hDlg, IDC_ENDPROCESS);
 475         hProcessPageShowAllProcessesButton = GetDlgItem(hDlg, IDC_SHOWALLPROCESSES);
 476
 477         /*
 478          * Set the extended window styles for the list control
 479          */
 480         SendMessage(hProcessPageListCtrl, LVM_SETEXTENDEDLISTVIEWSTYLE, 0, ListView_GetExtendedListViewStyle(hProcessPageListCtrl) | LVS_EX_FULLROWSELECT | LVS_EX_HEADERDRAGDROP);
 481
 482         AddColumns();
 483
 484         /*
 485          * Subclass the process list control so we can intercept WM_ERASEBKGND
 486          */
 487         OldProcessListWndProc = (WNDPROC)SetWindowLongPtr(hProcessPageListCtrl, GWLP_WNDPROC, (LONG_PTR)ProcessListWndProc);
 488
 489         /* Start our refresh thread */
 490          CreateThread(NULL, 0, ProcessPageRefreshThread, NULL, 0, NULL);
 491
 492         return TRUE;
 493
 494     case WM_DESTROY:
 495         /* Close the event handle, this will make the */
 496         /* refresh thread exit when the wait fails */
 497         CloseHandle(hProcessPageEvent);
 498
 499         SaveColumnSettings();
 500
 501         break;
 502
 503     case WM_COMMAND:
 504         /* Handle the button clicks */
 505         switch (LOWORD(wParam))
 506         {
 507                 case IDC_ENDPROCESS:
 508                         ProcessPage_OnEndProcess();
 509         }
 510         break;
 511
 512     case WM_SIZE:
 513         if (wParam == SIZE_MINIMIZED)
 514             return 0;
 515
 516         cx = LOWORD(lParam);
 517         cy = HIWORD(lParam);
 518         nXDifference = cx - nProcessPageWidth;
 519         nYDifference = cy - nProcessPageHeight;
 520         nProcessPageWidth = cx;
 521         nProcessPageHeight = cy;
 522
 523         /* Reposition the application page's controls */
 524         GetWindowRect(hProcessPageListCtrl, &rc);
 525         cx = (rc.right - rc.left) + nXDifference;
 526         cy = (rc.bottom - rc.top) + nYDifference;
 527         SetWindowPos(hProcessPageListCtrl, NULL, 0, 0, cx, cy, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOMOVE|SWP_NOZORDER);
 528         InvalidateRect(hProcessPageListCtrl, NULL, TRUE);
 529
 530         GetClientRect(hProcessPageEndProcessButton, &rc);
 531         MapWindowPoints(hProcessPageEndProcessButton, hDlg, (LPPOINT)(&rc), (sizeof(RECT)/sizeof(POINT)) );
 532            cx = rc.left + nXDifference;
 533         cy = rc.top + nYDifference;
 534         SetWindowPos(hProcessPageEndProcessButton, NULL, cx, cy, 0, 0, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOSIZE|SWP_NOZORDER);
 535         InvalidateRect(hProcessPageEndProcessButton, NULL, TRUE);
 536
 537         GetClientRect(hProcessPageShowAllProcessesButton, &rc);
 538         MapWindowPoints(hProcessPageShowAllProcessesButton, hDlg, (LPPOINT)(&rc), (sizeof(RECT)/sizeof(POINT)) );
 539            cx = rc.left;
 540         cy = rc.top + nYDifference;
 541         SetWindowPos(hProcessPageShowAllProcessesButton, NULL, cx, cy, 0, 0, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOSIZE|SWP_NOZORDER);
 542         InvalidateRect(hProcessPageShowAllProcessesButton, NULL, TRUE);
 543
 544         break;
 545
 546     case WM_NOTIFY:
 547
 548         ProcessPageOnNotify(wParam, lParam);
 549         break;
 550     }
 551
 552     return 0;
 553 }