git.oblomov.eu Git - wine/blob - programs/taskmgr/taskmgr.c

   1 /*
   2  *  ReactOS Task Manager
   3  *
   4  * taskmgr.c : Defines the entry point for the application.
   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 "resource.h"
  34 #include "taskmgr.h"
  35 #include "perfdata.h"
  36 #include "column.h"
  37
  38 #define STATUS_WINDOW   2001
  39
  40 /* Global Variables: */
  41 HINSTANCE hInst;                 /* current instance */
  42
  43 HWND hMainWnd;                   /* Main Window */
  44 HWND hStatusWnd;                 /* Status Bar Window */
  45 HWND hTabWnd;                    /* Tab Control Window */
  46
  47 int  nMinimumWidth;              /* Minimum width of the dialog (OnSize()'s cx) */
  48 int  nMinimumHeight;             /* Minimum height of the dialog (OnSize()'s cy) */
  49
  50 int  nOldWidth;                  /* Holds the previous client area width */
  51 int  nOldHeight;                 /* Holds the previous client area height */
  52
  53 BOOL bInMenuLoop = FALSE;        /* Tells us if we are in the menu loop */
  54
  55 TASKMANAGER_SETTINGS TaskManagerSettings;
  56
  57
  58 int APIENTRY WinMain(HINSTANCE hInstance,
  59                      HINSTANCE hPrevInstance,
  60                      LPSTR     lpCmdLine,
  61                      int       nCmdShow)
  62 {
  63     HANDLE hProcess;
  64     HANDLE hToken;
  65     TOKEN_PRIVILEGES tkp;
  66
  67     /* Initialize global variables */
  68     hInst = hInstance;
  69
  70     /* Change our priority class to HIGH */
  71     hProcess = OpenProcess(PROCESS_ALL_ACCESS, FALSE, GetCurrentProcessId());
  72     SetPriorityClass(hProcess, HIGH_PRIORITY_CLASS);
  73     CloseHandle(hProcess);
  74
  75     /* Now let's get the SE_DEBUG_NAME privilege
  76      * so that we can debug processes
  77      */
  78
  79     /* Get a token for this process.  */
  80     if (OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken)) {
  81         /* Get the LUID for the debug privilege.  */
  82         LookupPrivilegeValue(NULL, SE_DEBUG_NAME, &tkp.Privileges[0].Luid);
  83
  84         tkp.PrivilegeCount = 1;  /* one privilege to set */
  85         tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
  86
  87         /* Get the debug privilege for this process. */
  88         AdjustTokenPrivileges(hToken, FALSE, &tkp, 0, (PTOKEN_PRIVILEGES)NULL, 0);
  89     }
  90
  91     /* Load our settings from the registry */
  92     LoadSettings();
  93
  94     /* Initialize perf data */
  95     if (!PerfDataInitialize()) {
  96         return -1;
  97     }
  98
  99     DialogBox(hInst, (LPCTSTR)IDD_TASKMGR_DIALOG, NULL, TaskManagerWndProc);
 100
 101     /* Save our settings to the registry */
 102     SaveSettings();
 103     PerfDataUninitialize();
 104     return 0;
 105 }
 106
 107 /* Message handler for dialog box. */
 108 INT_PTR CALLBACK
 109 TaskManagerWndProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
 110 {
 111     HDC             hdc;
 112     PAINTSTRUCT     ps;
 113     LPRECT          pRC;
 114     RECT            rc;
 115     int             idctrl;
 116     LPNMHDR         pnmh;
 117     WINDOWPLACEMENT wp;
 118
 119     switch (message) {
 120     case WM_INITDIALOG:
 121         hMainWnd = hDlg;
 122         return OnCreate(hDlg);
 123
 124     case WM_COMMAND:
 125         if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL) {
 126             EndDialog(hDlg, LOWORD(wParam));
 127             return TRUE;
 128         }
 129         /* Process menu commands */
 130         switch (LOWORD(wParam))
 131         {
 132         case ID_FILE_NEW:
 133             TaskManager_OnFileNew();
 134             break;
 135         case ID_OPTIONS_ALWAYSONTOP:
 136             TaskManager_OnOptionsAlwaysOnTop();
 137             break;
 138         case ID_OPTIONS_MINIMIZEONUSE:
 139             TaskManager_OnOptionsMinimizeOnUse();
 140             break;
 141         case ID_OPTIONS_HIDEWHENMINIMIZED:
 142             TaskManager_OnOptionsHideWhenMinimized();
 143             break;
 144         case ID_OPTIONS_SHOW16BITTASKS:
 145             TaskManager_OnOptionsShow16BitTasks();
 146             break;
 147         case ID_VIEW_LARGE:
 148             ApplicationPage_OnViewLargeIcons();
 149             break;
 150         case ID_VIEW_SMALL:
 151             ApplicationPage_OnViewSmallIcons();
 152             break;
 153         case ID_VIEW_DETAILS:
 154             ApplicationPage_OnViewDetails();
 155             break;
 156         case ID_VIEW_SHOWKERNELTIMES:
 157             PerformancePage_OnViewShowKernelTimes();
 158             break;
 159         case ID_VIEW_CPUHISTORY_ONEGRAPHALL:
 160             PerformancePage_OnViewCPUHistoryOneGraphAll();
 161             break;
 162         case ID_VIEW_CPUHISTORY_ONEGRAPHPERCPU:
 163             PerformancePage_OnViewCPUHistoryOneGraphPerCPU();
 164             break;
 165         case ID_VIEW_UPDATESPEED_HIGH:
 166             TaskManager_OnViewUpdateSpeedHigh();
 167             break;
 168         case ID_VIEW_UPDATESPEED_NORMAL:
 169             TaskManager_OnViewUpdateSpeedNormal();
 170             break;
 171         case ID_VIEW_UPDATESPEED_LOW:
 172             TaskManager_OnViewUpdateSpeedLow();
 173             break;
 174         case ID_VIEW_UPDATESPEED_PAUSED:
 175             TaskManager_OnViewUpdateSpeedPaused();
 176             break;
 177         case ID_VIEW_SELECTCOLUMNS:
 178             ProcessPage_OnViewSelectColumns();
 179             break;
 180         case ID_VIEW_REFRESH:
 181             PostMessage(hDlg, WM_TIMER, 0, 0);
 182             break;
 183         case ID_WINDOWS_TILEHORIZONTALLY:
 184             ApplicationPage_OnWindowsTileHorizontally();
 185             break;
 186         case ID_WINDOWS_TILEVERTICALLY:
 187             ApplicationPage_OnWindowsTileVertically();
 188             break;
 189         case ID_WINDOWS_MINIMIZE:
 190             ApplicationPage_OnWindowsMinimize();
 191             break;
 192         case ID_WINDOWS_MAXIMIZE:
 193             ApplicationPage_OnWindowsMaximize();
 194             break;
 195         case ID_WINDOWS_CASCADE:
 196             ApplicationPage_OnWindowsCascade();
 197             break;
 198         case ID_WINDOWS_BRINGTOFRONT:
 199             ApplicationPage_OnWindowsBringToFront();
 200             break;
 201         case ID_APPLICATION_PAGE_SWITCHTO:
 202             ApplicationPage_OnSwitchTo();
 203             break;
 204         case ID_APPLICATION_PAGE_ENDTASK:
 205             ApplicationPage_OnEndTask();
 206             break;
 207         case ID_APPLICATION_PAGE_GOTOPROCESS:
 208             ApplicationPage_OnGotoProcess();
 209             break;
 210         case ID_PROCESS_PAGE_ENDPROCESS:
 211             ProcessPage_OnEndProcess();
 212             break;
 213         case ID_PROCESS_PAGE_ENDPROCESSTREE:
 214             ProcessPage_OnEndProcessTree();
 215             break;
 216         case ID_PROCESS_PAGE_DEBUG:
 217             ProcessPage_OnDebug();
 218             break;
 219         case ID_PROCESS_PAGE_SETAFFINITY:
 220             ProcessPage_OnSetAffinity();
 221             break;
 222         case ID_PROCESS_PAGE_SETPRIORITY_REALTIME:
 223             ProcessPage_OnSetPriorityRealTime();
 224             break;
 225         case ID_PROCESS_PAGE_SETPRIORITY_HIGH:
 226             ProcessPage_OnSetPriorityHigh();
 227             break;
 228         case ID_PROCESS_PAGE_SETPRIORITY_ABOVENORMAL:
 229             ProcessPage_OnSetPriorityAboveNormal();
 230             break;
 231         case ID_PROCESS_PAGE_SETPRIORITY_NORMAL:
 232             ProcessPage_OnSetPriorityNormal();
 233             break;
 234         case ID_PROCESS_PAGE_SETPRIORITY_BELOWNORMAL:
 235             ProcessPage_OnSetPriorityBelowNormal();
 236             break;
 237         case ID_PROCESS_PAGE_SETPRIORITY_LOW:
 238             ProcessPage_OnSetPriorityLow();
 239             break;
 240         case ID_PROCESS_PAGE_DEBUGCHANNELS:
 241             ProcessPage_OnDebugChannels();
 242             break;
 243         case ID_HELP_ABOUT:
 244             OnAbout();
 245             break;
 246         case ID_FILE_EXIT:
 247             DestroyWindow(hDlg);
 248             break;
 249         }
 250         break;
 251
 252     case WM_NOTIFY:
 253         idctrl = (int)wParam;
 254         pnmh = (LPNMHDR)lParam;
 255         if ((pnmh->hwndFrom == hTabWnd) &&
 256             (pnmh->idFrom == IDC_TAB) &&
 257             (pnmh->code == TCN_SELCHANGE))
 258         {
 259             TaskManager_OnTabWndSelChange();
 260         }
 261         break;
 262
 263     case WM_NCPAINT:
 264         hdc = GetDC(hDlg);
 265         GetClientRect(hDlg, &rc);
 266         Draw3dRect(hdc, rc.left, rc.top, rc.right, rc.top + 2, GetSysColor(COLOR_3DSHADOW), GetSysColor(COLOR_3DHILIGHT));
 267         ReleaseDC(hDlg, hdc);
 268         break;
 269
 270     case WM_PAINT:
 271         hdc = BeginPaint(hDlg, &ps);
 272         GetClientRect(hDlg, &rc);
 273         Draw3dRect(hdc, rc.left, rc.top, rc.right, rc.top + 2, GetSysColor(COLOR_3DSHADOW), GetSysColor(COLOR_3DHILIGHT));
 274         EndPaint(hDlg, &ps);
 275         break;
 276
 277     case WM_SIZING:
 278         /* Make sure the user is sizing the dialog */
 279         /* in an acceptable range */
 280         pRC = (LPRECT)lParam;
 281         if ((wParam == WMSZ_LEFT) || (wParam == WMSZ_TOPLEFT) || (wParam == WMSZ_BOTTOMLEFT)) {
 282             /* If the width is too small enlarge it to the minimum */
 283             if (nMinimumWidth > (pRC->right - pRC->left))
 284                 pRC->left = pRC->right - nMinimumWidth;
 285         } else {
 286             /* If the width is too small enlarge it to the minimum */
 287             if (nMinimumWidth > (pRC->right - pRC->left))
 288                 pRC->right = pRC->left + nMinimumWidth;
 289         }
 290         if ((wParam == WMSZ_TOP) || (wParam == WMSZ_TOPLEFT) || (wParam == WMSZ_TOPRIGHT)) {
 291             /* If the height is too small enlarge it to the minimum */
 292             if (nMinimumHeight > (pRC->bottom - pRC->top))
 293                 pRC->top = pRC->bottom - nMinimumHeight;
 294         } else {
 295             /* If the height is too small enlarge it to the minimum */
 296             if (nMinimumHeight > (pRC->bottom - pRC->top))
 297                 pRC->bottom = pRC->top + nMinimumHeight;
 298         }
 299         return TRUE;
 300         break;
 301
 302     case WM_SIZE:
 303         /* Handle the window sizing in it's own function */
 304         OnSize(wParam, LOWORD(lParam), HIWORD(lParam));
 305         break;
 306
 307     case WM_MOVE:
 308         /* Handle the window moving in it's own function */
 309         OnMove(wParam, LOWORD(lParam), HIWORD(lParam));
 310         break;
 311
 312     case WM_DESTROY:
 313         ShowWindow(hDlg, SW_HIDE);
 314         TrayIcon_ShellRemoveTrayIcon();
 315         wp.length = sizeof(WINDOWPLACEMENT);
 316         GetWindowPlacement(hDlg, &wp);
 317         TaskManagerSettings.Left = wp.rcNormalPosition.left;
 318         TaskManagerSettings.Top = wp.rcNormalPosition.top;
 319         TaskManagerSettings.Right = wp.rcNormalPosition.right;
 320         TaskManagerSettings.Bottom = wp.rcNormalPosition.bottom;
 321         if (IsZoomed(hDlg) || (wp.flags & WPF_RESTORETOMAXIMIZED))
 322             TaskManagerSettings.Maximized = TRUE;
 323         else
 324             TaskManagerSettings.Maximized = FALSE;
 325         return DefWindowProc(hDlg, message, wParam, lParam);
 326
 327     case WM_TIMER:
 328         /* Refresh the performance data */
 329         PerfDataRefresh();
 330         RefreshApplicationPage();
 331         RefreshProcessPage();
 332         RefreshPerformancePage();
 333         TrayIcon_ShellUpdateTrayIcon();
 334         break;
 335
 336     case WM_ENTERMENULOOP:
 337         TaskManager_OnEnterMenuLoop(hDlg);
 338         break;
 339     case WM_EXITMENULOOP:
 340         TaskManager_OnExitMenuLoop(hDlg);
 341         break;
 342     case WM_MENUSELECT:
 343         TaskManager_OnMenuSelect(hDlg, LOWORD(wParam), HIWORD(wParam), (HMENU)lParam);
 344         break;
 345     }
 346
 347     return 0;
 348 }
 349
 350 void FillSolidRect(HDC hDC, LPCRECT lpRect, COLORREF clr)
 351 {
 352     SetBkColor(hDC, clr);
 353     ExtTextOut(hDC, 0, 0, ETO_OPAQUE, lpRect, NULL, 0, NULL);
 354 }
 355
 356 void FillSolidRect2(HDC hDC, int x, int y, int cx, int cy, COLORREF clr)
 357 {
 358     RECT rect;
 359
 360     SetBkColor(hDC, clr);
 361     rect.left = x;
 362     rect.top = y;
 363     rect.right = x + cx;
 364     rect.bottom = y + cy;
 365     ExtTextOut(hDC, 0, 0, ETO_OPAQUE, &rect, NULL, 0, NULL);
 366 }
 367
 368 void Draw3dRect(HDC hDC, int x, int y, int cx, int cy, COLORREF clrTopLeft, COLORREF clrBottomRight)
 369 {
 370     FillSolidRect2(hDC, x, y, cx - 1, 1, clrTopLeft);
 371     FillSolidRect2(hDC, x, y, 1, cy - 1, clrTopLeft);
 372     FillSolidRect2(hDC, x + cx, y, -1, cy, clrBottomRight);
 373     FillSolidRect2(hDC, x, y + cy, cx, -1, clrBottomRight);
 374 }
 375
 376 void Draw3dRect2(HDC hDC, LPRECT lpRect, COLORREF clrTopLeft, COLORREF clrBottomRight)
 377 {
 378     Draw3dRect(hDC, lpRect->left, lpRect->top, lpRect->right - lpRect->left,
 379         lpRect->bottom - lpRect->top, clrTopLeft, clrBottomRight);
 380 }
 381
 382 void Font_DrawText(HDC hDC, LPCTSTR lpszText, int x, int y)
 383 {
 384     HDC        hFontDC;
 385     HBITMAP    hFontBitmap;
 386     HBITMAP    hOldBitmap;
 387     int        i;
 388
 389     hFontDC = CreateCompatibleDC(hDC);
 390     hFontBitmap = LoadBitmap(hInst, MAKEINTRESOURCE(IDB_FONT));
 391     hOldBitmap = (HBITMAP)SelectObject(hFontDC, hFontBitmap);
 392
 393     for (i = 0; i < (int)_tcslen(lpszText); i++) {
 394         if ((lpszText[i] >= '0') && (lpszText[i] <= '9')) {
 395             BitBlt(hDC, x + (i * 8), y, 8, 11, hFontDC, (lpszText[i] - '0') * 8, 0, SRCCOPY);
 396         }
 397         else if (lpszText[i] == 'K')
 398         {
 399             BitBlt(hDC, x + (i * 8), y, 8, 11, hFontDC, 80, 0, SRCCOPY);
 400         }
 401         else if (lpszText[i] == '%')
 402         {
 403             BitBlt(hDC, x + (i * 8), y, 8, 11, hFontDC, 88, 0, SRCCOPY);
 404         }
 405     }
 406     SelectObject(hFontDC, hOldBitmap);
 407     DeleteObject(hFontBitmap);
 408     DeleteDC(hFontDC);
 409 }
 410
 411 BOOL OnCreate(HWND hWnd)
 412 {
 413     HMENU   hMenu;
 414     HMENU   hEditMenu;
 415     HMENU   hViewMenu;
 416     HMENU   hUpdateSpeedMenu;
 417     HMENU   hCPUHistoryMenu;
 418     int     nActivePage;
 419     int     nParts[3];
 420     RECT    rc;
 421     TCHAR   szTemp[256];
 422     TCITEM  item;
 423
 424     SendMessage(hMainWnd, WM_SETICON, ICON_BIG, (LPARAM)LoadIcon(hInst, MAKEINTRESOURCE(IDI_TASKMANAGER)));
 425
 426     /* Initialize the Windows Common Controls DLL */
 427     InitCommonControls();
 428
 429     /* Get the minimum window sizes */
 430     GetWindowRect(hWnd, &rc);
 431     nMinimumWidth = (rc.right - rc.left);
 432     nMinimumHeight = (rc.bottom - rc.top);
 433
 434     /* Create the status bar */
 435     hStatusWnd = CreateStatusWindow(WS_VISIBLE|WS_CHILD|WS_CLIPSIBLINGS|SBT_NOBORDERS, _T(""), hWnd, STATUS_WINDOW);
 436     if(!hStatusWnd)
 437         return FALSE;
 438
 439     /* Create the status bar panes */
 440     nParts[0] = 100;
 441     nParts[1] = 210;
 442     nParts[2] = 400;
 443     SendMessage(hStatusWnd, SB_SETPARTS, 3, (long)nParts);
 444
 445     /* Create tab pages */
 446     hTabWnd = GetDlgItem(hWnd, IDC_TAB);
 447 #if 1
 448     hApplicationPage = CreateDialog(hInst, MAKEINTRESOURCE(IDD_APPLICATION_PAGE), hWnd, ApplicationPageWndProc);
 449     hProcessPage = CreateDialog(hInst, MAKEINTRESOURCE(IDD_PROCESS_PAGE), hWnd, ProcessPageWndProc);
 450     hPerformancePage = CreateDialog(hInst, MAKEINTRESOURCE(IDD_PERFORMANCE_PAGE), hWnd, PerformancePageWndProc);
 451 #else
 452     hApplicationPage = CreateDialog(hInst, MAKEINTRESOURCE(IDD_APPLICATION_PAGE), hTabWnd, ApplicationPageWndProc);
 453     hProcessPage = CreateDialog(hInst, MAKEINTRESOURCE(IDD_PROCESS_PAGE), hTabWnd, ProcessPageWndProc);
 454     hPerformancePage = CreateDialog(hInst, MAKEINTRESOURCE(IDD_PERFORMANCE_PAGE), hTabWnd, PerformancePageWndProc);
 455 #endif
 456
 457     /* Insert tabs */
 458     _tcscpy(szTemp, _T("Applications"));
 459     memset(&item, 0, sizeof(TCITEM));
 460     item.mask = TCIF_TEXT;
 461     item.pszText = szTemp;
 462     TabCtrl_InsertItem(hTabWnd, 0, &item);
 463     _tcscpy(szTemp, _T("Processes"));
 464     memset(&item, 0, sizeof(TCITEM));
 465     item.mask = TCIF_TEXT;
 466     item.pszText = szTemp;
 467     TabCtrl_InsertItem(hTabWnd, 1, &item);
 468     _tcscpy(szTemp, _T("Performance"));
 469     memset(&item, 0, sizeof(TCITEM));
 470     item.mask = TCIF_TEXT;
 471     item.pszText = szTemp;
 472     TabCtrl_InsertItem(hTabWnd, 2, &item);
 473
 474     /* Size everything correctly */
 475     GetClientRect(hWnd, &rc);
 476     nOldWidth = rc.right;
 477     nOldHeight = rc.bottom;
 478     /* nOldStartX = rc.left; */
 479     /*nOldStartY = rc.top;  */
 480
 481 #define PAGE_OFFSET_LEFT    17
 482 #define PAGE_OFFSET_TOP     72
 483 #define PAGE_OFFSET_WIDTH   (PAGE_OFFSET_LEFT*2)
 484 #define PAGE_OFFSET_HEIGHT  (PAGE_OFFSET_TOP+32)
 485
 486     if ((TaskManagerSettings.Left != 0) ||
 487         (TaskManagerSettings.Top != 0) ||
 488         (TaskManagerSettings.Right != 0) ||
 489         (TaskManagerSettings.Bottom != 0))
 490     {
 491         MoveWindow(hWnd, TaskManagerSettings.Left, TaskManagerSettings.Top, TaskManagerSettings.Right - TaskManagerSettings.Left, TaskManagerSettings.Bottom - TaskManagerSettings.Top, TRUE);
 492 #ifdef __GNUC__TEST__
 493         MoveWindow(hApplicationPage, TaskManagerSettings.Left + PAGE_OFFSET_LEFT, TaskManagerSettings.Top + PAGE_OFFSET_TOP, TaskManagerSettings.Right - TaskManagerSettings.Left - PAGE_OFFSET_WIDTH, TaskManagerSettings.Bottom - TaskManagerSettings.Top - PAGE_OFFSET_HEIGHT, FALSE);
 494         MoveWindow(hProcessPage, TaskManagerSettings.Left + PAGE_OFFSET_LEFT, TaskManagerSettings.Top + PAGE_OFFSET_TOP, TaskManagerSettings.Right - TaskManagerSettings.Left - PAGE_OFFSET_WIDTH, TaskManagerSettings.Bottom - TaskManagerSettings.Top - PAGE_OFFSET_HEIGHT, FALSE);
 495         MoveWindow(hPerformancePage, TaskManagerSettings.Left + PAGE_OFFSET_LEFT, TaskManagerSettings.Top + PAGE_OFFSET_TOP, TaskManagerSettings.Right - TaskManagerSettings.Left - PAGE_OFFSET_WIDTH, TaskManagerSettings.Bottom - TaskManagerSettings.Top - PAGE_OFFSET_HEIGHT, FALSE);
 496 #endif
 497     }
 498     if (TaskManagerSettings.Maximized)
 499         ShowWindow(hWnd, SW_MAXIMIZE);
 500
 501     /* Set the always on top style */
 502     hMenu = GetMenu(hWnd);
 503     hEditMenu = GetSubMenu(hMenu, 1);
 504     hViewMenu = GetSubMenu(hMenu, 2);
 505     hUpdateSpeedMenu = GetSubMenu(hViewMenu, 1);
 506     hCPUHistoryMenu = GetSubMenu(hViewMenu, 7);
 507
 508     /* Check or uncheck the always on top menu item */
 509     if (TaskManagerSettings.AlwaysOnTop) {
 510         CheckMenuItem(hEditMenu, ID_OPTIONS_ALWAYSONTOP, MF_BYCOMMAND|MF_CHECKED);
 511         SetWindowPos(hWnd, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE);
 512     } else {
 513         CheckMenuItem(hEditMenu, ID_OPTIONS_ALWAYSONTOP, MF_BYCOMMAND|MF_UNCHECKED);
 514         SetWindowPos(hWnd, HWND_NOTOPMOST, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE);
 515     }
 516
 517     /* Check or uncheck the minimize on use menu item */
 518     if (TaskManagerSettings.MinimizeOnUse)
 519         CheckMenuItem(hEditMenu, ID_OPTIONS_MINIMIZEONUSE, MF_BYCOMMAND|MF_CHECKED);
 520     else
 521         CheckMenuItem(hEditMenu, ID_OPTIONS_MINIMIZEONUSE, MF_BYCOMMAND|MF_UNCHECKED);
 522
 523     /* Check or uncheck the hide when minimized menu item */
 524     if (TaskManagerSettings.HideWhenMinimized)
 525         CheckMenuItem(hEditMenu, ID_OPTIONS_HIDEWHENMINIMIZED, MF_BYCOMMAND|MF_CHECKED);
 526     else
 527         CheckMenuItem(hEditMenu, ID_OPTIONS_HIDEWHENMINIMIZED, MF_BYCOMMAND|MF_UNCHECKED);
 528
 529     /* Check or uncheck the show 16-bit tasks menu item */
 530     if (TaskManagerSettings.Show16BitTasks)
 531         CheckMenuItem(hEditMenu, ID_OPTIONS_SHOW16BITTASKS, MF_BYCOMMAND|MF_CHECKED);
 532     else
 533         CheckMenuItem(hEditMenu, ID_OPTIONS_SHOW16BITTASKS, MF_BYCOMMAND|MF_UNCHECKED);
 534
 535     if (TaskManagerSettings.View_LargeIcons)
 536         CheckMenuRadioItem(hViewMenu, ID_VIEW_LARGE, ID_VIEW_DETAILS, ID_VIEW_LARGE, MF_BYCOMMAND);
 537     else if (TaskManagerSettings.View_SmallIcons)
 538         CheckMenuRadioItem(hViewMenu, ID_VIEW_LARGE, ID_VIEW_DETAILS, ID_VIEW_SMALL, MF_BYCOMMAND);
 539     else
 540         CheckMenuRadioItem(hViewMenu, ID_VIEW_LARGE, ID_VIEW_DETAILS, ID_VIEW_DETAILS, MF_BYCOMMAND);
 541
 542     if (TaskManagerSettings.ShowKernelTimes)
 543         CheckMenuItem(hViewMenu, ID_VIEW_SHOWKERNELTIMES, MF_BYCOMMAND|MF_CHECKED);
 544     else
 545         CheckMenuItem(hViewMenu, ID_VIEW_SHOWKERNELTIMES, MF_BYCOMMAND|MF_UNCHECKED);
 546
 547     if (TaskManagerSettings.UpdateSpeed == 1)
 548         CheckMenuRadioItem(hUpdateSpeedMenu, ID_VIEW_UPDATESPEED_HIGH, ID_VIEW_UPDATESPEED_PAUSED, ID_VIEW_UPDATESPEED_HIGH, MF_BYCOMMAND);
 549     else if (TaskManagerSettings.UpdateSpeed == 2)
 550         CheckMenuRadioItem(hUpdateSpeedMenu, ID_VIEW_UPDATESPEED_HIGH, ID_VIEW_UPDATESPEED_PAUSED, ID_VIEW_UPDATESPEED_NORMAL, MF_BYCOMMAND);
 551     else if (TaskManagerSettings.UpdateSpeed == 4)
 552         CheckMenuRadioItem(hUpdateSpeedMenu, ID_VIEW_UPDATESPEED_HIGH, ID_VIEW_UPDATESPEED_PAUSED, ID_VIEW_UPDATESPEED_LOW, MF_BYCOMMAND);
 553     else
 554         CheckMenuRadioItem(hUpdateSpeedMenu, ID_VIEW_UPDATESPEED_HIGH, ID_VIEW_UPDATESPEED_PAUSED, ID_VIEW_UPDATESPEED_PAUSED, MF_BYCOMMAND);
 555
 556     if (TaskManagerSettings.CPUHistory_OneGraphPerCPU)
 557         CheckMenuRadioItem(hCPUHistoryMenu, ID_VIEW_CPUHISTORY_ONEGRAPHALL, ID_VIEW_CPUHISTORY_ONEGRAPHPERCPU, ID_VIEW_CPUHISTORY_ONEGRAPHPERCPU, MF_BYCOMMAND);
 558     else
 559         CheckMenuRadioItem(hCPUHistoryMenu, ID_VIEW_CPUHISTORY_ONEGRAPHALL, ID_VIEW_CPUHISTORY_ONEGRAPHPERCPU, ID_VIEW_CPUHISTORY_ONEGRAPHALL, MF_BYCOMMAND);
 560
 561     nActivePage = TaskManagerSettings.ActiveTabPage;
 562     TabCtrl_SetCurFocus/*Sel*/(hTabWnd, 0);
 563     TabCtrl_SetCurFocus/*Sel*/(hTabWnd, 1);
 564     TabCtrl_SetCurFocus/*Sel*/(hTabWnd, 2);
 565     TabCtrl_SetCurFocus/*Sel*/(hTabWnd, nActivePage);
 566
 567     if (TaskManagerSettings.UpdateSpeed == 0)
 568         KillTimer(hWnd, 1);
 569     else if (TaskManagerSettings.UpdateSpeed == 1)
 570     {
 571         KillTimer(hWnd, 1);
 572         SetTimer(hWnd, 1, 1000, NULL);
 573     }
 574     else if (TaskManagerSettings.UpdateSpeed == 2)
 575     {
 576         KillTimer(hWnd, 1);
 577         SetTimer(hWnd, 1, 2000, NULL);
 578     }
 579     else if (TaskManagerSettings.UpdateSpeed == 4)
 580     {
 581         KillTimer(hWnd, 1);
 582         SetTimer(hWnd, 1, 4000, NULL);
 583     }
 584
 585     /*
 586      * Refresh the performance data
 587      * Sample it twice so we can establish
 588      * the delta values & cpu usage
 589      */
 590     PerfDataRefresh();
 591     PerfDataRefresh();
 592
 593     RefreshApplicationPage();
 594     RefreshProcessPage();
 595     RefreshPerformancePage();
 596
 597     TrayIcon_ShellAddTrayIcon();
 598
 599     return TRUE;
 600 }
 601
 602 /* OnMove()
 603  * This function handles all the moving events for the application
 604  * It moves every child window that needs moving
 605  */
 606 void OnMove( UINT nType, int cx, int cy )
 607 {
 608 #ifdef __GNUC__TEST__
 609     MoveWindow(hApplicationPage, TaskManagerSettings.Left + PAGE_OFFSET_LEFT, TaskManagerSettings.Top + PAGE_OFFSET_TOP, TaskManagerSettings.Right - TaskManagerSettings.Left - PAGE_OFFSET_WIDTH, TaskManagerSettings.Bottom - TaskManagerSettings.Top - PAGE_OFFSET_HEIGHT, FALSE);
 610     MoveWindow(hProcessPage, TaskManagerSettings.Left + PAGE_OFFSET_LEFT, TaskManagerSettings.Top + PAGE_OFFSET_TOP, TaskManagerSettings.Right - TaskManagerSettings.Left - PAGE_OFFSET_WIDTH, TaskManagerSettings.Bottom - TaskManagerSettings.Top - PAGE_OFFSET_HEIGHT, FALSE);
 611     MoveWindow(hPerformancePage, TaskManagerSettings.Left + PAGE_OFFSET_LEFT, TaskManagerSettings.Top + PAGE_OFFSET_TOP, TaskManagerSettings.Right - TaskManagerSettings.Left - PAGE_OFFSET_WIDTH, TaskManagerSettings.Bottom - TaskManagerSettings.Top - PAGE_OFFSET_HEIGHT, FALSE);
 612 #endif
 613 }
 614
 615 /* OnSize()
 616  * This function handles all the sizing events for the application
 617  * It re-sizes every window, and child window that needs re-sizing
 618  */
 619 void OnSize( UINT nType, int cx, int cy )
 620 {
 621     int     nParts[3];
 622     int     nXDifference;
 623     int     nYDifference;
 624     RECT    rc;
 625
 626     if (nType == SIZE_MINIMIZED)
 627         return;
 628
 629     nXDifference = cx - nOldWidth;
 630     nYDifference = cy - nOldHeight;
 631     nOldWidth = cx;
 632     nOldHeight = cy;
 633
 634     /* Update the status bar size */
 635     GetWindowRect(hStatusWnd, &rc);
 636     SendMessage(hStatusWnd, WM_SIZE, nType, MAKELPARAM(cx, cy + (rc.bottom - rc.top)));
 637
 638     /* Update the status bar pane sizes */
 639     nParts[0] = bInMenuLoop ? -1 : 100;
 640     nParts[1] = 210;
 641     nParts[2] = cx;
 642     SendMessage(hStatusWnd, SB_SETPARTS, bInMenuLoop ? 1 : 3, (long)nParts);
 643
 644     /* Resize the tab control */
 645     GetWindowRect(hTabWnd, &rc);
 646     cx = (rc.right - rc.left) + nXDifference;
 647     cy = (rc.bottom - rc.top) + nYDifference;
 648     SetWindowPos(hTabWnd, NULL, 0, 0, cx, cy, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOMOVE|SWP_NOZORDER);
 649
 650     /* Resize the application page */
 651     GetWindowRect(hApplicationPage, &rc);
 652     cx = (rc.right - rc.left) + nXDifference;
 653     cy = (rc.bottom - rc.top) + nYDifference;
 654     SetWindowPos(hApplicationPage, NULL, 0, 0, cx, cy, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOMOVE|SWP_NOZORDER);
 655
 656     /* Resize the process page */
 657     GetWindowRect(hProcessPage, &rc);
 658     cx = (rc.right - rc.left) + nXDifference;
 659     cy = (rc.bottom - rc.top) + nYDifference;
 660     SetWindowPos(hProcessPage, NULL, 0, 0, cx, cy, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOMOVE|SWP_NOZORDER);
 661
 662     /* Resize the performance page */
 663     GetWindowRect(hPerformancePage, &rc);
 664     cx = (rc.right - rc.left) + nXDifference;
 665     cy = (rc.bottom - rc.top) + nYDifference;
 666     SetWindowPos(hPerformancePage, NULL, 0, 0, cx, cy, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOMOVE|SWP_NOZORDER);
 667 }
 668
 669 void LoadSettings(void)
 670 {
 671     HKEY    hKey;
 672     TCHAR   szSubKey[] = _T("Software\\Wine\\TaskManager");
 673     int     i;
 674     DWORD   dwSize;
 675
 676     /* Window size & position settings */
 677     TaskManagerSettings.Maximized = FALSE;
 678     TaskManagerSettings.Left = 0;
 679     TaskManagerSettings.Top = 0;
 680     TaskManagerSettings.Right = 0;
 681     TaskManagerSettings.Bottom = 0;
 682
 683     /* Tab settings */
 684     TaskManagerSettings.ActiveTabPage = 0;
 685
 686     /* Options menu settings */
 687     TaskManagerSettings.AlwaysOnTop = FALSE;
 688     TaskManagerSettings.MinimizeOnUse = TRUE;
 689     TaskManagerSettings.HideWhenMinimized = TRUE;
 690     TaskManagerSettings.Show16BitTasks = TRUE;
 691
 692     /* Update speed settings */
 693     TaskManagerSettings.UpdateSpeed = 2;
 694
 695     /* Applications page settings */
 696     TaskManagerSettings.View_LargeIcons = FALSE;
 697     TaskManagerSettings.View_SmallIcons = FALSE;
 698     TaskManagerSettings.View_Details = TRUE;
 699
 700     /* Processes page settings */
 701     TaskManagerSettings.ShowProcessesFromAllUsers = FALSE; /* Server-only? */
 702     TaskManagerSettings.Column_ImageName = TRUE;
 703     TaskManagerSettings.Column_PID = TRUE;
 704     TaskManagerSettings.Column_CPUUsage = TRUE;
 705     TaskManagerSettings.Column_CPUTime = TRUE;
 706     TaskManagerSettings.Column_MemoryUsage = TRUE;
 707     TaskManagerSettings.Column_MemoryUsageDelta = FALSE;
 708     TaskManagerSettings.Column_PeakMemoryUsage = FALSE;
 709     TaskManagerSettings.Column_PageFaults = FALSE;
 710     TaskManagerSettings.Column_USERObjects = FALSE;
 711     TaskManagerSettings.Column_IOReads = FALSE;
 712     TaskManagerSettings.Column_IOReadBytes = FALSE;
 713     TaskManagerSettings.Column_SessionID = FALSE; /* Server-only? */
 714     TaskManagerSettings.Column_UserName = FALSE; /* Server-only? */
 715     TaskManagerSettings.Column_PageFaultsDelta = FALSE;
 716     TaskManagerSettings.Column_VirtualMemorySize = FALSE;
 717     TaskManagerSettings.Column_PagedPool = FALSE;
 718     TaskManagerSettings.Column_NonPagedPool = FALSE;
 719     TaskManagerSettings.Column_BasePriority = FALSE;
 720     TaskManagerSettings.Column_HandleCount = FALSE;
 721     TaskManagerSettings.Column_ThreadCount = FALSE;
 722     TaskManagerSettings.Column_GDIObjects = FALSE;
 723     TaskManagerSettings.Column_IOWrites = FALSE;
 724     TaskManagerSettings.Column_IOWriteBytes = FALSE;
 725     TaskManagerSettings.Column_IOOther = FALSE;
 726     TaskManagerSettings.Column_IOOtherBytes = FALSE;
 727
 728     for (i = 0; i < 25; i++) {
 729         TaskManagerSettings.ColumnOrderArray[i] = i;
 730     }
 731     TaskManagerSettings.ColumnSizeArray[0] = 105;
 732     TaskManagerSettings.ColumnSizeArray[1] = 50;
 733     TaskManagerSettings.ColumnSizeArray[2] = 107;
 734     TaskManagerSettings.ColumnSizeArray[3] = 70;
 735     TaskManagerSettings.ColumnSizeArray[4] = 35;
 736     TaskManagerSettings.ColumnSizeArray[5] = 70;
 737     TaskManagerSettings.ColumnSizeArray[6] = 70;
 738     TaskManagerSettings.ColumnSizeArray[7] = 100;
 739     TaskManagerSettings.ColumnSizeArray[8] = 70;
 740     TaskManagerSettings.ColumnSizeArray[9] = 70;
 741     TaskManagerSettings.ColumnSizeArray[10] = 70;
 742     TaskManagerSettings.ColumnSizeArray[11] = 70;
 743     TaskManagerSettings.ColumnSizeArray[12] = 70;
 744     TaskManagerSettings.ColumnSizeArray[13] = 70;
 745     TaskManagerSettings.ColumnSizeArray[14] = 60;
 746     TaskManagerSettings.ColumnSizeArray[15] = 60;
 747     TaskManagerSettings.ColumnSizeArray[16] = 60;
 748     TaskManagerSettings.ColumnSizeArray[17] = 60;
 749     TaskManagerSettings.ColumnSizeArray[18] = 60;
 750     TaskManagerSettings.ColumnSizeArray[19] = 70;
 751     TaskManagerSettings.ColumnSizeArray[20] = 70;
 752     TaskManagerSettings.ColumnSizeArray[21] = 70;
 753     TaskManagerSettings.ColumnSizeArray[22] = 70;
 754     TaskManagerSettings.ColumnSizeArray[23] = 70;
 755     TaskManagerSettings.ColumnSizeArray[24] = 70;
 756
 757     TaskManagerSettings.SortColumn = 1;
 758     TaskManagerSettings.SortAscending = TRUE;
 759
 760     /* Performance page settings */
 761     TaskManagerSettings.CPUHistory_OneGraphPerCPU = TRUE;
 762     TaskManagerSettings.ShowKernelTimes = FALSE;
 763
 764     /* Open the key */
 765     /* @@ Wine registry key: HKCU\Software\Wine\TaskManager */
 766     if (RegOpenKeyEx(HKEY_CURRENT_USER, szSubKey, 0, KEY_READ, &hKey) != ERROR_SUCCESS)
 767         return;
 768     /* Read the settings */
 769     dwSize = sizeof(TASKMANAGER_SETTINGS);
 770     RegQueryValueEx(hKey, _T("Preferences"), NULL, NULL, (LPBYTE)&TaskManagerSettings, &dwSize);
 771
 772     /* Close the key */
 773     RegCloseKey(hKey);
 774 }
 775
 776 void SaveSettings(void)
 777 {
 778     HKEY hKey;
 779     TCHAR szSubKey3[] = _T("Software\\Wine\\TaskManager");
 780
 781     /* Open (or create) the key */
 782
 783     /* @@ Wine registry key: HKCU\Software\Wine\TaskManager */
 784     if (RegCreateKeyEx(HKEY_CURRENT_USER, szSubKey3, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hKey, NULL) != ERROR_SUCCESS)
 785         return;
 786     /* Save the settings */
 787     RegSetValueEx(hKey, _T("Preferences"), 0, REG_BINARY, (LPBYTE)&TaskManagerSettings, sizeof(TASKMANAGER_SETTINGS));
 788     /* Close the key */
 789     RegCloseKey(hKey);
 790 }
 791
 792 void TaskManager_OnEnterMenuLoop(HWND hWnd)
 793 {
 794     int nParts;
 795
 796     /* Update the status bar pane sizes */
 797     nParts = -1;
 798     SendMessage(hStatusWnd, SB_SETPARTS, 1, (long)&nParts);
 799     bInMenuLoop = TRUE;
 800     SendMessage(hStatusWnd, SB_SETTEXT, (WPARAM)0, (LPARAM)_T(""));
 801 }
 802
 803 void TaskManager_OnExitMenuLoop(HWND hWnd)
 804 {
 805     RECT  rc;
 806     int   nParts[3];
 807     TCHAR text[260];
 808
 809     bInMenuLoop = FALSE;
 810     /* Update the status bar pane sizes */
 811     GetClientRect(hWnd, &rc);
 812     nParts[0] = 100;
 813     nParts[1] = 210;
 814     nParts[2] = rc.right;
 815     SendMessage(hStatusWnd, SB_SETPARTS, 3, (long)nParts);
 816     SendMessage(hStatusWnd, SB_SETTEXT, 0, (LPARAM)_T(""));
 817     wsprintf(text, _T("CPU Usage: %3d%%"), PerfDataGetProcessorUsage());
 818     SendMessage(hStatusWnd, SB_SETTEXT, 1, (LPARAM)text);
 819     wsprintf(text, _T("Processes: %d"), PerfDataGetProcessCount());
 820     SendMessage(hStatusWnd, SB_SETTEXT, 0, (LPARAM)text);
 821 }
 822
 823 void TaskManager_OnMenuSelect(HWND hWnd, UINT nItemID, UINT nFlags, HMENU hSysMenu)
 824 {
 825     TCHAR str[100];
 826
 827     _tcscpy(str, TEXT(""));
 828     if (LoadString(hInst, nItemID, str, 100)) {
 829         /* load appropriate string */
 830         LPTSTR lpsz = str;
 831         /* first newline terminates actual string */
 832         lpsz = _tcschr(lpsz, '\n');
 833         if (lpsz != NULL)
 834             *lpsz = '\0';
 835     }
 836     SendMessage(hStatusWnd, SB_SETTEXT, 0, (LPARAM)str);
 837 }
 838
 839 void TaskManager_OnViewUpdateSpeedHigh(void)
 840 {
 841     HMENU hMenu;
 842     HMENU hViewMenu;
 843     HMENU hUpdateSpeedMenu;
 844
 845     hMenu = GetMenu(hMainWnd);
 846     hViewMenu = GetSubMenu(hMenu, 2);
 847     hUpdateSpeedMenu = GetSubMenu(hViewMenu, 1);
 848
 849     TaskManagerSettings.UpdateSpeed = 1;
 850     CheckMenuRadioItem(hUpdateSpeedMenu, ID_VIEW_UPDATESPEED_HIGH, ID_VIEW_UPDATESPEED_PAUSED, ID_VIEW_UPDATESPEED_HIGH, MF_BYCOMMAND);
 851
 852     KillTimer(hMainWnd, 1);
 853     SetTimer(hMainWnd, 1, 1000, NULL);
 854 }
 855
 856 void TaskManager_OnViewUpdateSpeedNormal(void)
 857 {
 858     HMENU hMenu;
 859     HMENU hViewMenu;
 860     HMENU hUpdateSpeedMenu;
 861
 862     hMenu = GetMenu(hMainWnd);
 863     hViewMenu = GetSubMenu(hMenu, 2);
 864     hUpdateSpeedMenu = GetSubMenu(hViewMenu, 1);
 865
 866     TaskManagerSettings.UpdateSpeed = 2;
 867     CheckMenuRadioItem(hUpdateSpeedMenu, ID_VIEW_UPDATESPEED_HIGH, ID_VIEW_UPDATESPEED_PAUSED, ID_VIEW_UPDATESPEED_NORMAL, MF_BYCOMMAND);
 868
 869     KillTimer(hMainWnd, 1);
 870     SetTimer(hMainWnd, 1, 2000, NULL);
 871 }
 872
 873 void TaskManager_OnViewUpdateSpeedLow(void)
 874 {
 875     HMENU hMenu;
 876     HMENU hViewMenu;
 877     HMENU hUpdateSpeedMenu;
 878
 879     hMenu = GetMenu(hMainWnd);
 880     hViewMenu = GetSubMenu(hMenu, 2);
 881     hUpdateSpeedMenu = GetSubMenu(hViewMenu, 1);
 882
 883     TaskManagerSettings.UpdateSpeed = 4;
 884     CheckMenuRadioItem(hUpdateSpeedMenu, ID_VIEW_UPDATESPEED_HIGH, ID_VIEW_UPDATESPEED_PAUSED, ID_VIEW_UPDATESPEED_LOW, MF_BYCOMMAND);
 885
 886     KillTimer(hMainWnd, 1);
 887     SetTimer(hMainWnd, 1, 4000, NULL);
 888 }
 889
 890 void TaskManager_OnViewRefresh(void)
 891 {
 892     PostMessage(hMainWnd, WM_TIMER, 0, 0);
 893 }
 894
 895 void TaskManager_OnViewUpdateSpeedPaused(void)
 896 {
 897     HMENU hMenu;
 898     HMENU hViewMenu;
 899     HMENU hUpdateSpeedMenu;
 900
 901     hMenu = GetMenu(hMainWnd);
 902     hViewMenu = GetSubMenu(hMenu, 2);
 903     hUpdateSpeedMenu = GetSubMenu(hViewMenu, 1);
 904     TaskManagerSettings.UpdateSpeed = 0;
 905     CheckMenuRadioItem(hUpdateSpeedMenu, ID_VIEW_UPDATESPEED_HIGH, ID_VIEW_UPDATESPEED_PAUSED, ID_VIEW_UPDATESPEED_PAUSED, MF_BYCOMMAND);
 906     KillTimer(hMainWnd, 1);
 907 }
 908
 909 void TaskManager_OnTabWndSelChange(void)
 910 {
 911     int   i;
 912     HMENU hMenu;
 913     HMENU hOptionsMenu;
 914     HMENU hViewMenu;
 915     HMENU hSubMenu;
 916
 917     hMenu = GetMenu(hMainWnd);
 918     hViewMenu = GetSubMenu(hMenu, 2);
 919     hOptionsMenu = GetSubMenu(hMenu, 1);
 920     TaskManagerSettings.ActiveTabPage = TabCtrl_GetCurSel(hTabWnd);
 921     for (i = GetMenuItemCount(hViewMenu) - 1; i > 2; i--) {
 922         hSubMenu = GetSubMenu(hViewMenu, i);
 923         if (hSubMenu)
 924             DestroyMenu(hSubMenu);
 925         RemoveMenu(hViewMenu, i, MF_BYPOSITION);
 926     }
 927     RemoveMenu(hOptionsMenu, 3, MF_BYPOSITION);
 928     switch (TaskManagerSettings.ActiveTabPage) {
 929     case 0:
 930         ShowWindow(hApplicationPage, SW_SHOW);
 931         ShowWindow(hProcessPage, SW_HIDE);
 932         ShowWindow(hPerformancePage, SW_HIDE);
 933         BringWindowToTop(hApplicationPage);
 934         AppendMenu(hViewMenu, MF_STRING, ID_VIEW_LARGE, _T("Lar&ge Icons"));
 935         AppendMenu(hViewMenu, MF_STRING, ID_VIEW_SMALL, _T("S&mall Icons"));
 936         AppendMenu(hViewMenu, MF_STRING, ID_VIEW_DETAILS, _T("&Details"));
 937
 938         if (GetMenuItemCount(hMenu) <= 4) {
 939             hSubMenu = LoadMenu(hInst, MAKEINTRESOURCE(IDR_WINDOWSMENU));
 940             InsertMenu(hMenu, 3, MF_BYPOSITION|MF_POPUP, (UINT)hSubMenu, _T("&Windows"));
 941             DrawMenuBar(hMainWnd);
 942         }
 943         if (TaskManagerSettings.View_LargeIcons)
 944             CheckMenuRadioItem(hViewMenu, ID_VIEW_LARGE, ID_VIEW_DETAILS, ID_VIEW_LARGE, MF_BYCOMMAND);
 945         else if (TaskManagerSettings.View_SmallIcons)
 946             CheckMenuRadioItem(hViewMenu, ID_VIEW_LARGE, ID_VIEW_DETAILS, ID_VIEW_SMALL, MF_BYCOMMAND);
 947         else
 948             CheckMenuRadioItem(hViewMenu, ID_VIEW_LARGE, ID_VIEW_DETAILS, ID_VIEW_DETAILS, MF_BYCOMMAND);
 949         /*
 950          * Give the application list control focus
 951          */
 952         SetFocus(hApplicationPageListCtrl);
 953         break;
 954
 955     case 1:
 956         ShowWindow(hApplicationPage, SW_HIDE);
 957         ShowWindow(hProcessPage, SW_SHOW);
 958         ShowWindow(hPerformancePage, SW_HIDE);
 959         BringWindowToTop(hProcessPage);
 960         AppendMenu(hViewMenu, MF_STRING, ID_VIEW_SELECTCOLUMNS, _T("&Select Columns..."));
 961         AppendMenu(hOptionsMenu, MF_STRING, ID_OPTIONS_SHOW16BITTASKS, _T("&Show 16-bit tasks"));
 962         if (TaskManagerSettings.Show16BitTasks)
 963             CheckMenuItem(hOptionsMenu, ID_OPTIONS_SHOW16BITTASKS, MF_BYCOMMAND|MF_CHECKED);
 964         if (GetMenuItemCount(hMenu) > 4)
 965         {
 966             RemoveMenu(hMenu, 3, MF_BYPOSITION);
 967             DrawMenuBar(hMainWnd);
 968         }
 969         /*
 970          * Give the process list control focus
 971          */
 972         SetFocus(hProcessPageListCtrl);
 973         break;
 974
 975     case 2:
 976         ShowWindow(hApplicationPage, SW_HIDE);
 977         ShowWindow(hProcessPage, SW_HIDE);
 978         ShowWindow(hPerformancePage, SW_SHOW);
 979         BringWindowToTop(hPerformancePage);
 980         if (GetMenuItemCount(hMenu) > 4) {
 981             RemoveMenu(hMenu, 3, MF_BYPOSITION);
 982             DrawMenuBar(hMainWnd);
 983         }
 984         hSubMenu = CreatePopupMenu();
 985         AppendMenu(hSubMenu, MF_STRING, ID_VIEW_CPUHISTORY_ONEGRAPHALL, _T("&One Graph, All CPUs"));
 986         AppendMenu(hSubMenu, MF_STRING, ID_VIEW_CPUHISTORY_ONEGRAPHPERCPU, _T("One Graph &Per CPU"));
 987         AppendMenu(hViewMenu, MF_STRING|MF_POPUP, (UINT)hSubMenu, _T("&CPU History"));
 988         AppendMenu(hViewMenu, MF_STRING, ID_VIEW_SHOWKERNELTIMES, _T("&Show Kernel Times"));
 989         if (TaskManagerSettings.ShowKernelTimes)
 990             CheckMenuItem(hViewMenu, ID_VIEW_SHOWKERNELTIMES, MF_BYCOMMAND|MF_CHECKED);
 991         else
 992             CheckMenuItem(hViewMenu, ID_VIEW_SHOWKERNELTIMES, MF_BYCOMMAND|MF_UNCHECKED);
 993         if (TaskManagerSettings.CPUHistory_OneGraphPerCPU)
 994             CheckMenuRadioItem(hSubMenu, ID_VIEW_CPUHISTORY_ONEGRAPHALL, ID_VIEW_CPUHISTORY_ONEGRAPHPERCPU, ID_VIEW_CPUHISTORY_ONEGRAPHPERCPU, MF_BYCOMMAND);
 995         else
 996             CheckMenuRadioItem(hSubMenu, ID_VIEW_CPUHISTORY_ONEGRAPHALL, ID_VIEW_CPUHISTORY_ONEGRAPHPERCPU, ID_VIEW_CPUHISTORY_ONEGRAPHALL, MF_BYCOMMAND);
 997         /*
 998          * Give the tab control focus
 999          */
1000         SetFocus(hTabWnd);
1001         break;
1002     }
1003 }
1004
1005 LPTSTR GetLastErrorText(LPTSTR lpszBuf, DWORD dwSize)
1006 {
1007     DWORD  dwRet;
1008     LPTSTR lpszTemp = NULL;
1009
1010     dwRet = FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |FORMAT_MESSAGE_ARGUMENT_ARRAY,
1011                            NULL,
1012                            GetLastError(),
1013                            LANG_NEUTRAL,
1014                            (LPTSTR)&lpszTemp,
1015                            0,
1016                            NULL );
1017
1018     /* supplied buffer is not long enough */
1019     if (!dwRet || ( (long)dwSize < (long)dwRet+14)) {
1020         lpszBuf[0] = TEXT('\0');
1021     } else {
1022         lpszTemp[lstrlen(lpszTemp)-2] = TEXT('\0');  /*remove cr and newline character */
1023         _stprintf(lpszBuf, TEXT("%s (0x%x)"), lpszTemp, (int)GetLastError());
1024     }
1025     if (lpszTemp) {
1026         LocalFree((HLOCAL)lpszTemp);
1027     }
1028     return lpszBuf;
1029 }