1 /* 2 * ReactOS Explorer 3 * 4 * Copyright 2006 - 2007 Thomas Weidenmueller <w3seek@reactos.org> 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this library; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21 #include "precomp.h" 22 #include <commoncontrols.h> 23 24 /* Set DUMP_TASKS to 1 to enable a dump of the tasks and task groups every 25 5 seconds */ 26 #define DUMP_TASKS 0 27 #define DEBUG_SHELL_HOOK 0 28 29 #define MAX_TASKS_COUNT (0x7FFF) 30 #define TASK_ITEM_ARRAY_ALLOC 64 31 32 const WCHAR szTaskSwitchWndClass[] = L"MSTaskSwWClass"; 33 const WCHAR szRunningApps[] = L"Running Applications"; 34 35 #if DEBUG_SHELL_HOOK 36 const struct { 37 INT msg; 38 LPCWSTR msg_name; 39 } hshell_msg [] = { 40 { HSHELL_WINDOWCREATED, L"HSHELL_WINDOWCREATED" }, 41 { HSHELL_WINDOWDESTROYED, L"HSHELL_WINDOWDESTROYED" }, 42 { HSHELL_ACTIVATESHELLWINDOW, L"HSHELL_ACTIVATESHELLWINDOW" }, 43 { HSHELL_WINDOWACTIVATED, L"HSHELL_WINDOWACTIVATED" }, 44 { HSHELL_GETMINRECT, L"HSHELL_GETMINRECT" }, 45 { HSHELL_REDRAW, L"HSHELL_REDRAW" }, 46 { HSHELL_TASKMAN, L"HSHELL_TASKMAN" }, 47 { HSHELL_LANGUAGE, L"HSHELL_LANGUAGE" }, 48 { HSHELL_SYSMENU, L"HSHELL_SYSMENU" }, 49 { HSHELL_ENDTASK, L"HSHELL_ENDTASK" }, 50 { HSHELL_ACCESSIBILITYSTATE, L"HSHELL_ACCESSIBILITYSTATE" }, 51 { HSHELL_APPCOMMAND, L"HSHELL_APPCOMMAND" }, 52 { HSHELL_WINDOWREPLACED, L"HSHELL_WINDOWREPLACED" }, 53 { HSHELL_WINDOWREPLACING, L"HSHELL_WINDOWREPLACING" }, 54 { HSHELL_RUDEAPPACTIVATED, L"HSHELL_RUDEAPPACTIVATED" }, 55 }; 56 #endif 57 58 typedef struct _TASK_GROUP 59 { 60 /* We have to use a linked list instead of an array so we don't have to 61 update all pointers to groups in the task item array when removing 62 groups. */ 63 struct _TASK_GROUP *Next; 64 65 DWORD dwTaskCount; 66 DWORD dwProcessId; 67 INT Index; 68 union 69 { 70 DWORD dwFlags; 71 struct 72 { 73 74 DWORD IsCollapsed : 1; 75 }; 76 }; 77 } TASK_GROUP, *PTASK_GROUP; 78 79 typedef struct _TASK_ITEM 80 { 81 HWND hWnd; 82 PTASK_GROUP Group; 83 INT Index; 84 INT IconIndex; 85 86 union 87 { 88 DWORD dwFlags; 89 struct 90 { 91 92 /* IsFlashing is TRUE when the task bar item should be flashing. */ 93 DWORD IsFlashing : 1; 94 95 /* RenderFlashed is only TRUE if the task bar item should be 96 drawn with a flash. */ 97 DWORD RenderFlashed : 1; 98 }; 99 }; 100 } TASK_ITEM, *PTASK_ITEM; 101 102 103 class CHardErrorThread 104 { 105 DWORD m_ThreadId; 106 HANDLE m_hThread; 107 LONG m_bThreadRunning; 108 DWORD m_Status; 109 DWORD m_dwType; 110 CStringW m_Title; 111 CStringW m_Text; 112 public: 113 114 CHardErrorThread(): 115 m_ThreadId(0), 116 m_hThread(NULL), 117 m_bThreadRunning(FALSE), 118 m_Status(NULL), 119 m_dwType(NULL) 120 { 121 } 122 123 ~CHardErrorThread() 124 { 125 if (m_bThreadRunning) 126 { 127 /* Try to unstuck Show */ 128 PostThreadMessage(m_ThreadId, WM_QUIT, 0, 0); 129 DWORD ret = WaitForSingleObject(m_hThread, 3*1000); 130 if (ret == WAIT_TIMEOUT) 131 TerminateThread(m_hThread, 0); 132 CloseHandle(m_hThread); 133 } 134 } 135 136 HRESULT ThreadProc() 137 { 138 HRESULT hr; 139 CComPtr<IUserNotification> pnotification; 140 141 hr = OleInitialize(NULL); 142 if (FAILED_UNEXPECTEDLY(hr)) 143 return hr; 144 145 hr = CoCreateInstance(CLSID_UserNotification, 146 NULL, 147 CLSCTX_INPROC_SERVER, 148 IID_PPV_ARG(IUserNotification, &pnotification)); 149 if (FAILED_UNEXPECTEDLY(hr)) 150 return hr; 151 152 hr = pnotification->SetBalloonInfo(m_Title, m_Text, NIIF_WARNING); 153 if (FAILED_UNEXPECTEDLY(hr)) 154 return hr; 155 156 hr = pnotification->SetIconInfo(NULL, NULL); 157 if (FAILED_UNEXPECTEDLY(hr)) 158 return hr; 159 160 /* Show will block until the balloon closes */ 161 hr = pnotification->Show(NULL, 0); 162 if (FAILED_UNEXPECTEDLY(hr)) 163 return hr; 164 165 return S_OK; 166 } 167 168 static DWORD CALLBACK s_HardErrorThreadProc(IN OUT LPVOID lpParameter) 169 { 170 CHardErrorThread* pThis = reinterpret_cast<CHardErrorThread*>(lpParameter); 171 pThis->ThreadProc(); 172 CloseHandle(pThis->m_hThread); 173 OleUninitialize(); 174 InterlockedExchange(&pThis->m_bThreadRunning, FALSE); 175 return 0; 176 } 177 178 void StartThread(PBALLOON_HARD_ERROR_DATA pData) 179 { 180 BOOL bIsRunning = InterlockedExchange(&m_bThreadRunning, TRUE); 181 182 /* Ignore the new message if we are already showing one */ 183 if (bIsRunning) 184 return; 185 186 m_Status = pData->Status; 187 m_dwType = pData->dwType; 188 m_Title = (PWCHAR)((ULONG_PTR)pData + pData->TitleOffset); 189 m_Text = (PWCHAR)((ULONG_PTR)pData + pData->MessageOffset); 190 m_hThread = CreateThread(NULL, 0, s_HardErrorThreadProc, this, 0, &m_ThreadId); 191 if (!m_hThread) 192 { 193 m_bThreadRunning = FALSE; 194 CloseHandle(m_hThread); 195 } 196 } 197 }; 198 199 class CTaskToolbar : 200 public CWindowImplBaseT< CToolbar<TASK_ITEM>, CControlWinTraits > 201 { 202 public: 203 INT UpdateTbButtonSpacing(IN BOOL bHorizontal, IN BOOL bThemed, IN UINT uiRows = 0, IN UINT uiBtnsPerLine = 0) 204 { 205 TBMETRICS tbm; 206 207 tbm.cbSize = sizeof(tbm); 208 tbm.dwMask = TBMF_BARPAD | TBMF_BUTTONSPACING; 209 210 tbm.cxBarPad = tbm.cyBarPad = 0; 211 212 if (bThemed) 213 { 214 tbm.cxButtonSpacing = 0; 215 tbm.cyButtonSpacing = 0; 216 } 217 else 218 { 219 if (bHorizontal || uiBtnsPerLine > 1) 220 tbm.cxButtonSpacing = (3 * GetSystemMetrics(SM_CXEDGE) / 2); 221 else 222 tbm.cxButtonSpacing = 0; 223 224 if (!bHorizontal || uiRows > 1) 225 tbm.cyButtonSpacing = (3 * GetSystemMetrics(SM_CYEDGE) / 2); 226 else 227 tbm.cyButtonSpacing = 0; 228 } 229 230 SetMetrics(&tbm); 231 232 return tbm.cxButtonSpacing; 233 } 234 235 VOID BeginUpdate() 236 { 237 SetRedraw(FALSE); 238 } 239 240 VOID EndUpdate() 241 { 242 SendMessageW(WM_SETREDRAW, TRUE); 243 InvalidateRect(NULL, TRUE); 244 } 245 246 BOOL SetButtonCommandId(IN INT iButtonIndex, IN INT iCommandId) 247 { 248 TBBUTTONINFO tbbi; 249 250 tbbi.cbSize = sizeof(tbbi); 251 tbbi.dwMask = TBIF_BYINDEX | TBIF_COMMAND; 252 tbbi.idCommand = iCommandId; 253 254 return SetButtonInfo(iButtonIndex, &tbbi) != 0; 255 } 256 257 LRESULT OnNcHitTestToolbar(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled) 258 { 259 POINT pt; 260 261 /* See if the mouse is on a button */ 262 pt.x = GET_X_LPARAM(lParam); 263 pt.y = GET_Y_LPARAM(lParam); 264 ScreenToClient(&pt); 265 266 INT index = HitTest(&pt); 267 if (index < 0) 268 { 269 /* Make the control appear to be transparent outside of any buttons */ 270 return HTTRANSPARENT; 271 } 272 273 bHandled = FALSE; 274 return 0; 275 } 276 277 public: 278 BEGIN_MSG_MAP(CNotifyToolbar) 279 MESSAGE_HANDLER(WM_NCHITTEST, OnNcHitTestToolbar) 280 END_MSG_MAP() 281 282 BOOL Initialize(HWND hWndParent) 283 { 284 DWORD styles = WS_CHILD | WS_VISIBLE | WS_CLIPCHILDREN | 285 TBSTYLE_TOOLTIPS | TBSTYLE_WRAPABLE | TBSTYLE_LIST | TBSTYLE_TRANSPARENT | 286 CCS_TOP | CCS_NORESIZE | CCS_NODIVIDER; 287 288 // HACK & FIXME: CORE-18016 289 HWND toolbar = CToolbar::Create(hWndParent, styles); 290 m_hWnd = NULL; 291 return SubclassWindow(toolbar); 292 } 293 }; 294 295 class CTaskSwitchWnd : 296 public CComCoClass<CTaskSwitchWnd>, 297 public CComObjectRootEx<CComMultiThreadModelNoCS>, 298 public CWindowImpl < CTaskSwitchWnd, CWindow, CControlWinTraits >, 299 public IOleWindow 300 { 301 CTaskToolbar m_TaskBar; 302 303 CComPtr<ITrayWindow> m_Tray; 304 305 UINT m_ShellHookMsg; 306 307 WORD m_TaskItemCount; 308 WORD m_AllocatedTaskItems; 309 310 PTASK_GROUP m_TaskGroups; 311 PTASK_ITEM m_TaskItems; 312 PTASK_ITEM m_ActiveTaskItem; 313 314 HTHEME m_Theme; 315 UINT m_ButtonsPerLine; 316 WORD m_ButtonCount; 317 318 HIMAGELIST m_ImageList; 319 320 BOOL m_IsGroupingEnabled; 321 BOOL m_IsDestroying; 322 323 SIZE m_ButtonSize; 324 325 UINT m_uHardErrorMsg; 326 CHardErrorThread m_HardErrorThread; 327 328 public: 329 CTaskSwitchWnd() : 330 m_ShellHookMsg(NULL), 331 m_TaskItemCount(0), 332 m_AllocatedTaskItems(0), 333 m_TaskGroups(NULL), 334 m_TaskItems(NULL), 335 m_ActiveTaskItem(NULL), 336 m_Theme(NULL), 337 m_ButtonsPerLine(0), 338 m_ButtonCount(0), 339 m_ImageList(NULL), 340 m_IsGroupingEnabled(FALSE), 341 m_IsDestroying(FALSE) 342 { 343 ZeroMemory(&m_ButtonSize, sizeof(m_ButtonSize)); 344 m_uHardErrorMsg = RegisterWindowMessageW(L"HardError"); 345 } 346 virtual ~CTaskSwitchWnd() { } 347 348 INT GetWndTextFromTaskItem(IN PTASK_ITEM TaskItem, LPWSTR szBuf, DWORD cchBuf) 349 { 350 /* Get the window text without sending a message so we don't hang if an 351 application isn't responding! */ 352 return InternalGetWindowText(TaskItem->hWnd, szBuf, cchBuf); 353 } 354 355 356 #if DUMP_TASKS != 0 357 VOID DumpTasks() 358 { 359 PTASK_GROUP CurrentGroup; 360 PTASK_ITEM CurrentTaskItem, LastTaskItem; 361 362 TRACE("Tasks dump:\n"); 363 if (m_IsGroupingEnabled) 364 { 365 CurrentGroup = m_TaskGroups; 366 while (CurrentGroup != NULL) 367 { 368 TRACE("- Group PID: 0x%p Tasks: %d Index: %d\n", CurrentGroup->dwProcessId, CurrentGroup->dwTaskCount, CurrentGroup->Index); 369 370 CurrentTaskItem = m_TaskItems; 371 LastTaskItem = CurrentTaskItem + m_TaskItemCount; 372 while (CurrentTaskItem != LastTaskItem) 373 { 374 if (CurrentTaskItem->Group == CurrentGroup) 375 { 376 TRACE(" + Task hwnd: 0x%p Index: %d\n", CurrentTaskItem->hWnd, CurrentTaskItem->Index); 377 } 378 CurrentTaskItem++; 379 } 380 381 CurrentGroup = CurrentGroup->Next; 382 } 383 384 CurrentTaskItem = m_TaskItems; 385 LastTaskItem = CurrentTaskItem + m_TaskItemCount; 386 while (CurrentTaskItem != LastTaskItem) 387 { 388 if (CurrentTaskItem->Group == NULL) 389 { 390 TRACE("- Task hwnd: 0x%p Index: %d\n", CurrentTaskItem->hWnd, CurrentTaskItem->Index); 391 } 392 CurrentTaskItem++; 393 } 394 } 395 else 396 { 397 CurrentTaskItem = m_TaskItems; 398 LastTaskItem = CurrentTaskItem + m_TaskItemCount; 399 while (CurrentTaskItem != LastTaskItem) 400 { 401 TRACE("- Task hwnd: 0x%p Index: %d\n", CurrentTaskItem->hWnd, CurrentTaskItem->Index); 402 CurrentTaskItem++; 403 } 404 } 405 } 406 #endif 407 408 VOID UpdateIndexesAfter(IN INT iIndex, BOOL bInserted) 409 { 410 PTASK_GROUP CurrentGroup; 411 PTASK_ITEM CurrentTaskItem, LastTaskItem; 412 INT NewIndex; 413 414 int offset = bInserted ? +1 : -1; 415 416 if (m_IsGroupingEnabled) 417 { 418 /* Update all affected groups */ 419 CurrentGroup = m_TaskGroups; 420 while (CurrentGroup != NULL) 421 { 422 if (CurrentGroup->IsCollapsed && 423 CurrentGroup->Index >= iIndex) 424 { 425 /* Update the toolbar buttons */ 426 NewIndex = CurrentGroup->Index + offset; 427 if (m_TaskBar.SetButtonCommandId(CurrentGroup->Index + offset, NewIndex)) 428 { 429 CurrentGroup->Index = NewIndex; 430 } 431 else 432 CurrentGroup->Index = -1; 433 } 434 435 CurrentGroup = CurrentGroup->Next; 436 } 437 } 438 439 /* Update all affected task items */ 440 CurrentTaskItem = m_TaskItems; 441 LastTaskItem = CurrentTaskItem + m_TaskItemCount; 442 while (CurrentTaskItem != LastTaskItem) 443 { 444 CurrentGroup = CurrentTaskItem->Group; 445 if (CurrentGroup != NULL) 446 { 447 if (!CurrentGroup->IsCollapsed && 448 CurrentTaskItem->Index >= iIndex) 449 { 450 goto UpdateTaskItemBtn; 451 } 452 } 453 else if (CurrentTaskItem->Index >= iIndex) 454 { 455 UpdateTaskItemBtn: 456 /* Update the toolbar buttons */ 457 NewIndex = CurrentTaskItem->Index + offset; 458 if (m_TaskBar.SetButtonCommandId(CurrentTaskItem->Index + offset, NewIndex)) 459 { 460 CurrentTaskItem->Index = NewIndex; 461 } 462 else 463 CurrentTaskItem->Index = -1; 464 } 465 466 CurrentTaskItem++; 467 } 468 } 469 470 471 INT UpdateTaskGroupButton(IN PTASK_GROUP TaskGroup) 472 { 473 ASSERT(TaskGroup->Index >= 0); 474 475 /* FIXME: Implement */ 476 477 return TaskGroup->Index; 478 } 479 480 VOID ExpandTaskGroup(IN PTASK_GROUP TaskGroup) 481 { 482 ASSERT(TaskGroup->dwTaskCount > 0); 483 ASSERT(TaskGroup->IsCollapsed); 484 ASSERT(TaskGroup->Index >= 0); 485 486 /* FIXME: Implement */ 487 } 488 489 HICON GetWndIcon(HWND hwnd) 490 { 491 HICON hIcon = NULL; 492 493 /* Retrieve icon by sending a message */ 494 #define GET_ICON(type) \ 495 SendMessageTimeout(hwnd, WM_GETICON, (type), 0, SMTO_NOTIMEOUTIFNOTHUNG, 100, (PDWORD_PTR)&hIcon) 496 497 LRESULT bAlive = GET_ICON(g_TaskbarSettings.bSmallIcons ? ICON_SMALL2 : ICON_BIG); 498 if (hIcon) 499 return hIcon; 500 501 if (bAlive) 502 { 503 bAlive = GET_ICON(ICON_SMALL); 504 if (hIcon) 505 return hIcon; 506 } 507 508 if (bAlive) 509 { 510 GET_ICON(g_TaskbarSettings.bSmallIcons ? ICON_BIG : ICON_SMALL2); 511 if (hIcon) 512 return hIcon; 513 } 514 #undef GET_ICON 515 516 /* If we failed, retrieve icon from the window class */ 517 hIcon = (HICON)GetClassLongPtr(hwnd, g_TaskbarSettings.bSmallIcons ? GCLP_HICONSM : GCLP_HICON); 518 if (hIcon) 519 return hIcon; 520 521 return (HICON)GetClassLongPtr(hwnd, g_TaskbarSettings.bSmallIcons ? GCLP_HICON : GCLP_HICONSM); 522 } 523 524 INT UpdateTaskItemButton(IN PTASK_ITEM TaskItem) 525 { 526 TBBUTTONINFO tbbi = { 0 }; 527 HICON icon; 528 WCHAR windowText[255]; 529 530 ASSERT(TaskItem->Index >= 0); 531 532 tbbi.cbSize = sizeof(tbbi); 533 tbbi.dwMask = TBIF_BYINDEX | TBIF_STATE | TBIF_TEXT | TBIF_IMAGE; 534 tbbi.fsState = TBSTATE_ENABLED; 535 if (m_ActiveTaskItem == TaskItem) 536 tbbi.fsState |= TBSTATE_CHECKED; 537 538 if (TaskItem->RenderFlashed) 539 tbbi.fsState |= TBSTATE_MARKED; 540 541 /* Check if we're updating a button that is the last one in the 542 line. If so, we need to set the TBSTATE_WRAP flag! */ 543 if (!m_Tray->IsHorizontal() || (m_ButtonsPerLine != 0 && 544 (TaskItem->Index + 1) % m_ButtonsPerLine == 0)) 545 { 546 tbbi.fsState |= TBSTATE_WRAP; 547 } 548 549 if (GetWndTextFromTaskItem(TaskItem, windowText, _countof(windowText)) > 0) 550 { 551 tbbi.pszText = windowText; 552 } 553 554 icon = GetWndIcon(TaskItem->hWnd); 555 if (!icon) 556 icon = static_cast<HICON>(LoadImageW(NULL, MAKEINTRESOURCEW(OIC_SAMPLE), IMAGE_ICON, 0, 0, LR_SHARED | LR_DEFAULTSIZE)); 557 TaskItem->IconIndex = ImageList_ReplaceIcon(m_ImageList, TaskItem->IconIndex, icon); 558 tbbi.iImage = TaskItem->IconIndex; 559 560 if (!m_TaskBar.SetButtonInfo(TaskItem->Index, &tbbi)) 561 { 562 TaskItem->Index = -1; 563 return -1; 564 } 565 566 TRACE("Updated button %d for hwnd 0x%p\n", TaskItem->Index, TaskItem->hWnd); 567 return TaskItem->Index; 568 } 569 570 VOID RemoveIcon(IN PTASK_ITEM TaskItem) 571 { 572 TBBUTTONINFO tbbi; 573 PTASK_ITEM currentTaskItem, LastItem; 574 575 if (TaskItem->IconIndex == -1) 576 return; 577 578 tbbi.cbSize = sizeof(tbbi); 579 tbbi.dwMask = TBIF_IMAGE; 580 581 currentTaskItem = m_TaskItems; 582 LastItem = currentTaskItem + m_TaskItemCount; 583 while (currentTaskItem != LastItem) 584 { 585 if (currentTaskItem->IconIndex > TaskItem->IconIndex) 586 { 587 currentTaskItem->IconIndex--; 588 tbbi.iImage = currentTaskItem->IconIndex; 589 590 m_TaskBar.SetButtonInfo(currentTaskItem->Index, &tbbi); 591 } 592 currentTaskItem++; 593 } 594 595 ImageList_Remove(m_ImageList, TaskItem->IconIndex); 596 } 597 598 PTASK_ITEM FindLastTaskItemOfGroup( 599 IN PTASK_GROUP TaskGroup OPTIONAL, 600 IN PTASK_ITEM NewTaskItem OPTIONAL) 601 { 602 PTASK_ITEM TaskItem, LastTaskItem, FoundTaskItem = NULL; 603 DWORD dwTaskCount; 604 605 ASSERT(m_IsGroupingEnabled); 606 607 TaskItem = m_TaskItems; 608 LastTaskItem = TaskItem + m_TaskItemCount; 609 610 dwTaskCount = (TaskGroup != NULL ? TaskGroup->dwTaskCount : MAX_TASKS_COUNT); 611 612 ASSERT(dwTaskCount > 0); 613 614 while (TaskItem != LastTaskItem) 615 { 616 if (TaskItem->Group == TaskGroup) 617 { 618 if ((NewTaskItem != NULL && TaskItem != NewTaskItem) || NewTaskItem == NULL) 619 { 620 FoundTaskItem = TaskItem; 621 } 622 623 if (--dwTaskCount == 0) 624 { 625 /* We found the last task item in the group! */ 626 break; 627 } 628 } 629 630 TaskItem++; 631 } 632 633 return FoundTaskItem; 634 } 635 636 INT CalculateTaskItemNewButtonIndex(IN PTASK_ITEM TaskItem) 637 { 638 PTASK_GROUP TaskGroup; 639 PTASK_ITEM LastTaskItem; 640 641 /* NOTE: This routine assumes that the group is *not* collapsed! */ 642 643 TaskGroup = TaskItem->Group; 644 if (m_IsGroupingEnabled) 645 { 646 if (TaskGroup != NULL) 647 { 648 ASSERT(TaskGroup->Index < 0); 649 ASSERT(!TaskGroup->IsCollapsed); 650 651 if (TaskGroup->dwTaskCount > 1) 652 { 653 LastTaskItem = FindLastTaskItemOfGroup(TaskGroup, TaskItem); 654 if (LastTaskItem != NULL) 655 { 656 /* Since the group is expanded the task items must have an index */ 657 ASSERT(LastTaskItem->Index >= 0); 658 659 return LastTaskItem->Index + 1; 660 } 661 } 662 } 663 else 664 { 665 /* Find the last NULL group button. NULL groups are added at the end of the 666 task item list when grouping is enabled */ 667 LastTaskItem = FindLastTaskItemOfGroup(NULL, TaskItem); 668 if (LastTaskItem != NULL) 669 { 670 ASSERT(LastTaskItem->Index >= 0); 671 672 return LastTaskItem->Index + 1; 673 } 674 } 675 } 676 677 return m_ButtonCount; 678 } 679 680 INT AddTaskItemButton(IN OUT PTASK_ITEM TaskItem) 681 { 682 WCHAR windowText[255]; 683 TBBUTTON tbBtn = { 0 }; 684 INT iIndex; 685 HICON icon; 686 687 if (TaskItem->Index >= 0) 688 { 689 return UpdateTaskItemButton(TaskItem); 690 } 691 692 if (TaskItem->Group != NULL && 693 TaskItem->Group->IsCollapsed) 694 { 695 /* The task group is collapsed, we only need to update the group button */ 696 return UpdateTaskGroupButton(TaskItem->Group); 697 } 698 699 icon = GetWndIcon(TaskItem->hWnd); 700 if (!icon) 701 icon = static_cast<HICON>(LoadImageW(NULL, MAKEINTRESOURCEW(OIC_SAMPLE), IMAGE_ICON, 0, 0, LR_SHARED | LR_DEFAULTSIZE)); 702 TaskItem->IconIndex = ImageList_ReplaceIcon(m_ImageList, -1, icon); 703 704 tbBtn.iBitmap = TaskItem->IconIndex; 705 tbBtn.fsState = TBSTATE_ENABLED | TBSTATE_ELLIPSES; 706 tbBtn.fsStyle = BTNS_CHECK | BTNS_NOPREFIX | BTNS_SHOWTEXT; 707 tbBtn.dwData = TaskItem->Index; 708 709 if (GetWndTextFromTaskItem(TaskItem, windowText, _countof(windowText)) > 0) 710 { 711 tbBtn.iString = (DWORD_PTR) windowText; 712 } 713 714 /* Find out where to insert the new button */ 715 iIndex = CalculateTaskItemNewButtonIndex(TaskItem); 716 ASSERT(iIndex >= 0); 717 tbBtn.idCommand = iIndex; 718 719 m_TaskBar.BeginUpdate(); 720 721 if (m_TaskBar.InsertButton(iIndex, &tbBtn)) 722 { 723 UpdateIndexesAfter(iIndex, TRUE); 724 725 TRACE("Added button %d for hwnd 0x%p\n", iIndex, TaskItem->hWnd); 726 727 TaskItem->Index = iIndex; 728 m_ButtonCount++; 729 730 /* Update button sizes and fix the button wrapping */ 731 UpdateButtonsSize(TRUE); 732 return iIndex; 733 } 734 735 m_TaskBar.EndUpdate(); 736 737 return -1; 738 } 739 740 BOOL DeleteTaskItemButton(IN OUT PTASK_ITEM TaskItem) 741 { 742 PTASK_GROUP TaskGroup; 743 INT iIndex; 744 745 TaskGroup = TaskItem->Group; 746 747 if (TaskItem->Index >= 0) 748 { 749 if ((TaskGroup != NULL && !TaskGroup->IsCollapsed) || 750 TaskGroup == NULL) 751 { 752 m_TaskBar.BeginUpdate(); 753 754 RemoveIcon(TaskItem); 755 iIndex = TaskItem->Index; 756 if (m_TaskBar.DeleteButton(iIndex)) 757 { 758 TaskItem->Index = -1; 759 m_ButtonCount--; 760 761 UpdateIndexesAfter(iIndex, FALSE); 762 763 /* Update button sizes and fix the button wrapping */ 764 UpdateButtonsSize(TRUE); 765 return TRUE; 766 } 767 768 m_TaskBar.EndUpdate(); 769 } 770 } 771 772 return FALSE; 773 } 774 775 PTASK_GROUP AddToTaskGroup(IN HWND hWnd) 776 { 777 DWORD dwProcessId; 778 PTASK_GROUP TaskGroup, *PrevLink; 779 780 if (!GetWindowThreadProcessId(hWnd, 781 &dwProcessId)) 782 { 783 TRACE("Cannot get process id of hwnd 0x%p\n", hWnd); 784 return NULL; 785 } 786 787 /* Try to find an existing task group */ 788 TaskGroup = m_TaskGroups; 789 PrevLink = &m_TaskGroups; 790 while (TaskGroup != NULL) 791 { 792 if (TaskGroup->dwProcessId == dwProcessId) 793 { 794 TaskGroup->dwTaskCount++; 795 return TaskGroup; 796 } 797 798 PrevLink = &TaskGroup->Next; 799 TaskGroup = TaskGroup->Next; 800 } 801 802 /* Allocate a new task group */ 803 TaskGroup = (PTASK_GROUP) HeapAlloc(hProcessHeap, 804 HEAP_ZERO_MEMORY, 805 sizeof(*TaskGroup)); 806 if (TaskGroup != NULL) 807 { 808 TaskGroup->dwTaskCount = 1; 809 TaskGroup->dwProcessId = dwProcessId; 810 TaskGroup->Index = -1; 811 812 /* Add the task group to the list */ 813 *PrevLink = TaskGroup; 814 } 815 816 return TaskGroup; 817 } 818 819 VOID RemoveTaskFromTaskGroup(IN OUT PTASK_ITEM TaskItem) 820 { 821 PTASK_GROUP TaskGroup, CurrentGroup, *PrevLink; 822 823 TaskGroup = TaskItem->Group; 824 if (TaskGroup != NULL) 825 { 826 DWORD dwNewTaskCount = --TaskGroup->dwTaskCount; 827 if (dwNewTaskCount == 0) 828 { 829 /* Find the previous pointer in the chain */ 830 CurrentGroup = m_TaskGroups; 831 PrevLink = &m_TaskGroups; 832 while (CurrentGroup != TaskGroup) 833 { 834 PrevLink = &CurrentGroup->Next; 835 CurrentGroup = CurrentGroup->Next; 836 } 837 838 /* Remove the group from the list */ 839 ASSERT(TaskGroup == CurrentGroup); 840 *PrevLink = TaskGroup->Next; 841 842 /* Free the task group */ 843 HeapFree(hProcessHeap, 844 0, 845 TaskGroup); 846 } 847 else if (TaskGroup->IsCollapsed && 848 TaskGroup->Index >= 0) 849 { 850 if (dwNewTaskCount > 1) 851 { 852 /* FIXME: Check if we should expand the group */ 853 /* Update the task group button */ 854 UpdateTaskGroupButton(TaskGroup); 855 } 856 else 857 { 858 /* Expand the group of one task button to a task button */ 859 ExpandTaskGroup(TaskGroup); 860 } 861 } 862 } 863 } 864 865 PTASK_ITEM FindTaskItem(IN HWND hWnd) 866 { 867 PTASK_ITEM TaskItem, LastItem; 868 869 TaskItem = m_TaskItems; 870 LastItem = TaskItem + m_TaskItemCount; 871 while (TaskItem != LastItem) 872 { 873 if (TaskItem->hWnd == hWnd) 874 return TaskItem; 875 876 TaskItem++; 877 } 878 879 return NULL; 880 } 881 882 PTASK_ITEM FindOtherTaskItem(IN HWND hWnd) 883 { 884 PTASK_ITEM LastItem, TaskItem; 885 PTASK_GROUP TaskGroup; 886 DWORD dwProcessId; 887 888 if (!GetWindowThreadProcessId(hWnd, &dwProcessId)) 889 { 890 return NULL; 891 } 892 893 /* Try to find another task that belongs to the same 894 process as the given window */ 895 TaskItem = m_TaskItems; 896 LastItem = TaskItem + m_TaskItemCount; 897 while (TaskItem != LastItem) 898 { 899 TaskGroup = TaskItem->Group; 900 if (TaskGroup != NULL) 901 { 902 if (TaskGroup->dwProcessId == dwProcessId) 903 return TaskItem; 904 } 905 else 906 { 907 DWORD dwProcessIdTask; 908 909 if (GetWindowThreadProcessId(TaskItem->hWnd, 910 &dwProcessIdTask) && 911 dwProcessIdTask == dwProcessId) 912 { 913 return TaskItem; 914 } 915 } 916 917 TaskItem++; 918 } 919 920 return NULL; 921 } 922 923 PTASK_ITEM AllocTaskItem() 924 { 925 if (m_TaskItemCount >= MAX_TASKS_COUNT) 926 { 927 /* We need the most significant bit in 16 bit command IDs to indicate whether it 928 is a task group or task item. WM_COMMAND limits command IDs to 16 bits! */ 929 return NULL; 930 } 931 932 ASSERT(m_AllocatedTaskItems >= m_TaskItemCount); 933 934 if (m_TaskItemCount == 0) 935 { 936 m_TaskItems = (PTASK_ITEM) HeapAlloc(hProcessHeap, 937 0, 938 TASK_ITEM_ARRAY_ALLOC * sizeof(*m_TaskItems)); 939 if (m_TaskItems != NULL) 940 { 941 m_AllocatedTaskItems = TASK_ITEM_ARRAY_ALLOC; 942 } 943 else 944 return NULL; 945 } 946 else if (m_TaskItemCount >= m_AllocatedTaskItems) 947 { 948 PTASK_ITEM NewArray; 949 SIZE_T NewArrayLength, ActiveTaskItemIndex; 950 951 NewArrayLength = m_AllocatedTaskItems + TASK_ITEM_ARRAY_ALLOC; 952 953 NewArray = (PTASK_ITEM) HeapReAlloc(hProcessHeap, 954 0, 955 m_TaskItems, 956 NewArrayLength * sizeof(*m_TaskItems)); 957 if (NewArray != NULL) 958 { 959 if (m_ActiveTaskItem != NULL) 960 { 961 /* Fixup the ActiveTaskItem pointer */ 962 ActiveTaskItemIndex = m_ActiveTaskItem - m_TaskItems; 963 m_ActiveTaskItem = NewArray + ActiveTaskItemIndex; 964 } 965 m_AllocatedTaskItems = (WORD) NewArrayLength; 966 m_TaskItems = NewArray; 967 } 968 else 969 return NULL; 970 } 971 972 return m_TaskItems + m_TaskItemCount++; 973 } 974 975 VOID FreeTaskItem(IN OUT PTASK_ITEM TaskItem) 976 { 977 WORD wIndex; 978 979 if (TaskItem == m_ActiveTaskItem) 980 m_ActiveTaskItem = NULL; 981 982 wIndex = (WORD) (TaskItem - m_TaskItems); 983 if (wIndex + 1 < m_TaskItemCount) 984 { 985 MoveMemory(TaskItem, 986 TaskItem + 1, 987 (m_TaskItemCount - wIndex - 1) * sizeof(*TaskItem)); 988 } 989 990 m_TaskItemCount--; 991 } 992 993 VOID DeleteTaskItem(IN OUT PTASK_ITEM TaskItem) 994 { 995 if (!m_IsDestroying) 996 { 997 /* Delete the task button from the toolbar */ 998 DeleteTaskItemButton(TaskItem); 999 } 1000 1001 /* Remove the task from it's group */ 1002 RemoveTaskFromTaskGroup(TaskItem); 1003 1004 /* Free the task item */ 1005 FreeTaskItem(TaskItem); 1006 } 1007 1008 VOID CheckActivateTaskItem(IN OUT PTASK_ITEM TaskItem) 1009 { 1010 PTASK_ITEM CurrentTaskItem; 1011 PTASK_GROUP TaskGroup = NULL; 1012 1013 CurrentTaskItem = m_ActiveTaskItem; 1014 1015 if (TaskItem != NULL) 1016 TaskGroup = TaskItem->Group; 1017 1018 if (m_IsGroupingEnabled && 1019 TaskGroup != NULL && 1020 TaskGroup->IsCollapsed) 1021 { 1022 /* FIXME */ 1023 return; 1024 } 1025 1026 if (CurrentTaskItem != NULL) 1027 { 1028 PTASK_GROUP CurrentTaskGroup; 1029 1030 if (CurrentTaskItem == TaskItem) 1031 return; 1032 1033 CurrentTaskGroup = CurrentTaskItem->Group; 1034 1035 if (m_IsGroupingEnabled && 1036 CurrentTaskGroup != NULL && 1037 CurrentTaskGroup->IsCollapsed) 1038 { 1039 if (CurrentTaskGroup == TaskGroup) 1040 return; 1041 1042 /* FIXME */ 1043 } 1044 else 1045 { 1046 m_ActiveTaskItem = NULL; 1047 if (CurrentTaskItem->Index >= 0) 1048 { 1049 UpdateTaskItemButton(CurrentTaskItem); 1050 } 1051 } 1052 } 1053 1054 m_ActiveTaskItem = TaskItem; 1055 1056 if (TaskItem != NULL && TaskItem->Index >= 0) 1057 { 1058 UpdateTaskItemButton(TaskItem); 1059 } 1060 else if (TaskItem == NULL) 1061 { 1062 TRACE("Active TaskItem now NULL\n"); 1063 } 1064 } 1065 1066 PTASK_ITEM FindTaskItemByIndex(IN INT Index) 1067 { 1068 PTASK_ITEM TaskItem, LastItem; 1069 1070 TaskItem = m_TaskItems; 1071 LastItem = TaskItem + m_TaskItemCount; 1072 while (TaskItem != LastItem) 1073 { 1074 if (TaskItem->Index == Index) 1075 return TaskItem; 1076 1077 TaskItem++; 1078 } 1079 1080 return NULL; 1081 } 1082 1083 PTASK_GROUP FindTaskGroupByIndex(IN INT Index) 1084 { 1085 PTASK_GROUP CurrentGroup; 1086 1087 CurrentGroup = m_TaskGroups; 1088 while (CurrentGroup != NULL) 1089 { 1090 if (CurrentGroup->Index == Index) 1091 break; 1092 1093 CurrentGroup = CurrentGroup->Next; 1094 } 1095 1096 return CurrentGroup; 1097 } 1098 1099 BOOL AddTask(IN HWND hWnd) 1100 { 1101 PTASK_ITEM TaskItem; 1102 1103 if (!::IsWindow(hWnd) || m_Tray->IsSpecialHWND(hWnd)) 1104 return FALSE; 1105 1106 TaskItem = FindTaskItem(hWnd); 1107 if (TaskItem == NULL) 1108 { 1109 TRACE("Add window 0x%p\n", hWnd); 1110 TaskItem = AllocTaskItem(); 1111 if (TaskItem != NULL) 1112 { 1113 ZeroMemory(TaskItem, sizeof(*TaskItem)); 1114 TaskItem->hWnd = hWnd; 1115 TaskItem->Index = -1; 1116 TaskItem->Group = AddToTaskGroup(hWnd); 1117 1118 if (!m_IsDestroying) 1119 { 1120 AddTaskItemButton(TaskItem); 1121 } 1122 } 1123 } 1124 1125 return TaskItem != NULL; 1126 } 1127 1128 BOOL ActivateTaskItem(IN OUT PTASK_ITEM TaskItem OPTIONAL) 1129 { 1130 if (TaskItem != NULL) 1131 { 1132 TRACE("Activate window 0x%p on button %d\n", TaskItem->hWnd, TaskItem->Index); 1133 } 1134 1135 CheckActivateTaskItem(TaskItem); 1136 return FALSE; 1137 } 1138 1139 BOOL ActivateTask(IN HWND hWnd) 1140 { 1141 PTASK_ITEM TaskItem; 1142 1143 if (!hWnd) 1144 { 1145 return ActivateTaskItem(NULL); 1146 } 1147 1148 TaskItem = FindTaskItem(hWnd); 1149 if (TaskItem == NULL) 1150 { 1151 TaskItem = FindOtherTaskItem(hWnd); 1152 } 1153 1154 if (TaskItem == NULL) 1155 { 1156 WARN("Activate window 0x%p, could not find task\n", hWnd); 1157 RefreshWindowList(); 1158 } 1159 1160 return ActivateTaskItem(TaskItem); 1161 } 1162 1163 BOOL DeleteTask(IN HWND hWnd) 1164 { 1165 PTASK_ITEM TaskItem; 1166 1167 TaskItem = FindTaskItem(hWnd); 1168 if (TaskItem != NULL) 1169 { 1170 TRACE("Delete window 0x%p on button %d\n", hWnd, TaskItem->Index); 1171 DeleteTaskItem(TaskItem); 1172 return TRUE; 1173 } 1174 //else 1175 //TRACE("Failed to delete window 0x%p\n", hWnd); 1176 1177 return FALSE; 1178 } 1179 1180 VOID DeleteAllTasks() 1181 { 1182 PTASK_ITEM CurrentTask; 1183 1184 if (m_TaskItemCount > 0) 1185 { 1186 CurrentTask = m_TaskItems + m_TaskItemCount; 1187 do 1188 { 1189 DeleteTaskItem(--CurrentTask); 1190 } while (CurrentTask != m_TaskItems); 1191 } 1192 } 1193 1194 VOID FlashTaskItem(IN OUT PTASK_ITEM TaskItem) 1195 { 1196 TaskItem->RenderFlashed = 1; 1197 UpdateTaskItemButton(TaskItem); 1198 } 1199 1200 BOOL FlashTask(IN HWND hWnd) 1201 { 1202 PTASK_ITEM TaskItem; 1203 1204 TaskItem = FindTaskItem(hWnd); 1205 if (TaskItem != NULL) 1206 { 1207 TRACE("Flashing window 0x%p on button %d\n", hWnd, TaskItem->Index); 1208 FlashTaskItem(TaskItem); 1209 return TRUE; 1210 } 1211 1212 return FALSE; 1213 } 1214 1215 VOID RedrawTaskItem(IN OUT PTASK_ITEM TaskItem) 1216 { 1217 PTASK_GROUP TaskGroup; 1218 1219 TaskGroup = TaskItem->Group; 1220 if (m_IsGroupingEnabled && TaskGroup != NULL) 1221 { 1222 if (TaskGroup->IsCollapsed && TaskGroup->Index >= 0) 1223 { 1224 UpdateTaskGroupButton(TaskGroup); 1225 } 1226 else if (TaskItem->Index >= 0) 1227 { 1228 goto UpdateTaskItem; 1229 } 1230 } 1231 else if (TaskItem->Index >= 0) 1232 { 1233 UpdateTaskItem: 1234 TaskItem->RenderFlashed = 0; 1235 UpdateTaskItemButton(TaskItem); 1236 } 1237 } 1238 1239 1240 BOOL RedrawTask(IN HWND hWnd) 1241 { 1242 PTASK_ITEM TaskItem; 1243 1244 TaskItem = FindTaskItem(hWnd); 1245 if (TaskItem != NULL) 1246 { 1247 RedrawTaskItem(TaskItem); 1248 return TRUE; 1249 } 1250 1251 return FALSE; 1252 } 1253 1254 VOID UpdateButtonsSize(IN BOOL bRedrawDisabled) 1255 { 1256 RECT rcClient; 1257 UINT uiRows, uiMax, uiMin, uiBtnsPerLine, ui; 1258 LONG NewBtnSize; 1259 BOOL Horizontal; 1260 1261 /* Update the size of the image list if needed */ 1262 int cx, cy; 1263 ImageList_GetIconSize(m_ImageList, &cx, &cy); 1264 if (cx != GetSystemMetrics(g_TaskbarSettings.bSmallIcons ? SM_CXSMICON : SM_CXICON) || 1265 cy != GetSystemMetrics(g_TaskbarSettings.bSmallIcons ? SM_CYSMICON : SM_CYICON)) 1266 { 1267 ImageList_SetIconSize(m_ImageList, 1268 GetSystemMetrics(g_TaskbarSettings.bSmallIcons ? SM_CXSMICON : SM_CXICON), 1269 GetSystemMetrics(g_TaskbarSettings.bSmallIcons ? SM_CYSMICON : SM_CYICON)); 1270 1271 /* SetIconSize removes all icons so we have to reinsert them */ 1272 PTASK_ITEM TaskItem = m_TaskItems; 1273 PTASK_ITEM LastTaskItem = m_TaskItems + m_TaskItemCount; 1274 while (TaskItem != LastTaskItem) 1275 { 1276 TaskItem->IconIndex = -1; 1277 UpdateTaskItemButton(TaskItem); 1278 1279 TaskItem++; 1280 } 1281 m_TaskBar.SetImageList(m_ImageList); 1282 } 1283 1284 if (GetClientRect(&rcClient) && !IsRectEmpty(&rcClient)) 1285 { 1286 if (m_ButtonCount > 0) 1287 { 1288 Horizontal = m_Tray->IsHorizontal(); 1289 1290 if (Horizontal) 1291 { 1292 TBMETRICS tbm = { 0 }; 1293 tbm.cbSize = sizeof(tbm); 1294 tbm.dwMask = TBMF_BUTTONSPACING; 1295 m_TaskBar.GetMetrics(&tbm); 1296 1297 if (m_ButtonSize.cy + tbm.cyButtonSpacing != 0) 1298 uiRows = (rcClient.bottom + tbm.cyButtonSpacing) / (m_ButtonSize.cy + tbm.cyButtonSpacing); 1299 else 1300 uiRows = 1; 1301 1302 if (uiRows == 0) 1303 uiRows = 1; 1304 1305 uiBtnsPerLine = (m_ButtonCount + uiRows - 1) / uiRows; 1306 } 1307 else 1308 { 1309 uiBtnsPerLine = 1; 1310 uiRows = m_ButtonCount; 1311 } 1312 1313 if (!bRedrawDisabled) 1314 m_TaskBar.BeginUpdate(); 1315 1316 /* We might need to update the button spacing */ 1317 int cxButtonSpacing = m_TaskBar.UpdateTbButtonSpacing( 1318 Horizontal, m_Theme != NULL, 1319 uiRows, uiBtnsPerLine); 1320 1321 /* Determine the minimum and maximum width of a button */ 1322 uiMin = GetSystemMetrics(SM_CXSIZE) + (2 * GetSystemMetrics(SM_CXEDGE)); 1323 if (Horizontal) 1324 { 1325 uiMax = GetSystemMetrics(SM_CXMINIMIZED); 1326 1327 /* Calculate the ideal width and make sure it's within the allowed range */ 1328 NewBtnSize = (rcClient.right - (uiBtnsPerLine * cxButtonSpacing)) / uiBtnsPerLine; 1329 1330 if (NewBtnSize < (LONG) uiMin) 1331 NewBtnSize = uiMin; 1332 if (NewBtnSize >(LONG)uiMax) 1333 NewBtnSize = uiMax; 1334 1335 /* Recalculate how many buttons actually fit into one line */ 1336 uiBtnsPerLine = rcClient.right / (NewBtnSize + cxButtonSpacing); 1337 if (uiBtnsPerLine == 0) 1338 uiBtnsPerLine++; 1339 } 1340 else 1341 { 1342 NewBtnSize = uiMax = rcClient.right; 1343 } 1344 1345 m_ButtonSize.cx = NewBtnSize; 1346 1347 m_ButtonsPerLine = uiBtnsPerLine; 1348 1349 for (ui = 0; ui != m_ButtonCount; ui++) 1350 { 1351 TBBUTTONINFOW tbbi = { 0 }; 1352 tbbi.cbSize = sizeof(tbbi); 1353 tbbi.dwMask = TBIF_BYINDEX | TBIF_SIZE | TBIF_STATE; 1354 tbbi.cx = (INT) NewBtnSize; 1355 tbbi.fsState = TBSTATE_ENABLED; 1356 1357 /* Check if we're updating a button that is the last one in the 1358 line. If so, we need to set the TBSTATE_WRAP flag! */ 1359 if (Horizontal) 1360 { 1361 if ((ui + 1) % uiBtnsPerLine == 0) 1362 tbbi.fsState |= TBSTATE_WRAP; 1363 } 1364 else 1365 { 1366 tbbi.fsState |= TBSTATE_WRAP; 1367 } 1368 1369 if (m_ActiveTaskItem != NULL && 1370 m_ActiveTaskItem->Index == (INT)ui) 1371 { 1372 tbbi.fsState |= TBSTATE_CHECKED; 1373 } 1374 1375 m_TaskBar.SetButtonInfo(ui, &tbbi); 1376 } 1377 } 1378 else 1379 { 1380 m_ButtonsPerLine = 0; 1381 m_ButtonSize.cx = 0; 1382 } 1383 } 1384 1385 // FIXME: This seems to be enabling redraws prematurely, but moving it to its right place doesn't work! 1386 m_TaskBar.EndUpdate(); 1387 } 1388 1389 BOOL CALLBACK EnumWindowsProc(IN HWND hWnd) 1390 { 1391 if (m_Tray->IsTaskWnd(hWnd)) 1392 { 1393 TRACE("Adding task for %p...\n", hWnd); 1394 AddTask(hWnd); 1395 } 1396 return TRUE; 1397 } 1398 1399 static BOOL CALLBACK s_EnumWindowsProc(IN HWND hWnd, IN LPARAM lParam) 1400 { 1401 CTaskSwitchWnd * This = (CTaskSwitchWnd *) lParam; 1402 1403 return This->EnumWindowsProc(hWnd); 1404 } 1405 1406 BOOL RefreshWindowList() 1407 { 1408 TRACE("Refreshing window list...\n"); 1409 /* Add all windows to the toolbar */ 1410 return EnumWindows(s_EnumWindowsProc, (LPARAM)this); 1411 } 1412 1413 LRESULT OnThemeChanged(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled) 1414 { 1415 TRACE("OmThemeChanged\n"); 1416 1417 if (m_Theme) 1418 CloseThemeData(m_Theme); 1419 1420 if (IsThemeActive()) 1421 m_Theme = OpenThemeData(m_hWnd, L"TaskBand"); 1422 else 1423 m_Theme = NULL; 1424 1425 return TRUE; 1426 } 1427 1428 LRESULT OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled) 1429 { 1430 if (!m_TaskBar.Initialize(m_hWnd)) 1431 return FALSE; 1432 1433 SetWindowTheme(m_TaskBar.m_hWnd, L"TaskBand", NULL); 1434 1435 m_ImageList = ImageList_Create(GetSystemMetrics(g_TaskbarSettings.bSmallIcons ? SM_CXSMICON : SM_CXICON), 1436 GetSystemMetrics(g_TaskbarSettings.bSmallIcons ? SM_CYSMICON : SM_CYICON), 1437 ILC_COLOR32 | ILC_MASK, 0, 1000); 1438 m_TaskBar.SetImageList(m_ImageList); 1439 1440 /* Set proper spacing between buttons */ 1441 m_TaskBar.UpdateTbButtonSpacing(m_Tray->IsHorizontal(), m_Theme != NULL); 1442 1443 /* Register the shell hook */ 1444 m_ShellHookMsg = RegisterWindowMessageW(L"SHELLHOOK"); 1445 1446 TRACE("ShellHookMsg got assigned number %d\n", m_ShellHookMsg); 1447 1448 RegisterShellHook(m_hWnd, 3); /* 1 if no NT! We're targeting NT so we don't care! */ 1449 1450 RefreshWindowList(); 1451 1452 /* Recalculate the button size */ 1453 UpdateButtonsSize(FALSE); 1454 1455 #if DUMP_TASKS != 0 1456 SetTimer(hwnd, 1, 5000, NULL); 1457 #endif 1458 return TRUE; 1459 } 1460 1461 LRESULT OnDestroy(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled) 1462 { 1463 m_IsDestroying = TRUE; 1464 1465 /* Unregister the shell hook */ 1466 RegisterShellHook(m_hWnd, FALSE); 1467 1468 CloseThemeData(m_Theme); 1469 DeleteAllTasks(); 1470 return TRUE; 1471 } 1472 1473 VOID SendPulseToTray(BOOL bDelete, HWND hwndActive) 1474 { 1475 HWND hwndTray = m_Tray->GetHWND(); 1476 ::SendMessage(hwndTray, TWM_PULSE, bDelete, (LPARAM)hwndActive); 1477 } 1478 1479 BOOL HandleAppCommand(IN WPARAM wParam, IN LPARAM lParam) 1480 { 1481 BOOL Ret = FALSE; 1482 1483 switch (GET_APPCOMMAND_LPARAM(lParam)) 1484 { 1485 case APPCOMMAND_BROWSER_SEARCH: 1486 Ret = SHFindFiles(NULL, 1487 NULL); 1488 break; 1489 1490 case APPCOMMAND_BROWSER_HOME: 1491 case APPCOMMAND_LAUNCH_MAIL: 1492 default: 1493 TRACE("Shell app command %d unhandled!\n", (INT) GET_APPCOMMAND_LPARAM(lParam)); 1494 break; 1495 } 1496 1497 return Ret; 1498 } 1499 1500 LRESULT OnShellHook(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled) 1501 { 1502 BOOL Ret = FALSE; 1503 1504 /* In case the shell hook wasn't registered properly, ignore WM_NULLs*/ 1505 if (uMsg == 0) 1506 { 1507 bHandled = FALSE; 1508 return 0; 1509 } 1510 1511 TRACE("Received shell hook message: wParam=%08lx, lParam=%08lx\n", wParam, lParam); 1512 1513 switch ((INT) wParam) 1514 { 1515 case HSHELL_APPCOMMAND: 1516 Ret = HandleAppCommand(wParam, lParam); 1517 break; 1518 1519 case HSHELL_WINDOWCREATED: 1520 SendPulseToTray(FALSE, (HWND)lParam); 1521 AddTask((HWND) lParam); 1522 break; 1523 1524 case HSHELL_WINDOWDESTROYED: 1525 /* The window still exists! Delay destroying it a bit */ 1526 SendPulseToTray(TRUE, (HWND)lParam); 1527 DeleteTask((HWND)lParam); 1528 break; 1529 1530 case HSHELL_RUDEAPPACTIVATED: 1531 case HSHELL_WINDOWACTIVATED: 1532 SendPulseToTray(FALSE, (HWND)lParam); 1533 ActivateTask((HWND)lParam); 1534 break; 1535 1536 case HSHELL_FLASH: 1537 FlashTask((HWND) lParam); 1538 break; 1539 1540 case HSHELL_REDRAW: 1541 RedrawTask((HWND) lParam); 1542 break; 1543 1544 case HSHELL_TASKMAN: 1545 ::PostMessage(m_Tray->GetHWND(), TWM_OPENSTARTMENU, 0, 0); 1546 break; 1547 1548 case HSHELL_ACTIVATESHELLWINDOW: 1549 ::SwitchToThisWindow(m_Tray->GetHWND(), TRUE); 1550 ::SetForegroundWindow(m_Tray->GetHWND()); 1551 break; 1552 1553 case HSHELL_LANGUAGE: 1554 case HSHELL_SYSMENU: 1555 case HSHELL_ENDTASK: 1556 case HSHELL_ACCESSIBILITYSTATE: 1557 case HSHELL_WINDOWREPLACED: 1558 case HSHELL_WINDOWREPLACING: 1559 1560 case HSHELL_GETMINRECT: 1561 default: 1562 { 1563 #if DEBUG_SHELL_HOOK 1564 int i, found; 1565 for (i = 0, found = 0; i != _countof(hshell_msg); i++) 1566 { 1567 if (hshell_msg[i].msg == (INT) wParam) 1568 { 1569 TRACE("Shell message %ws unhandled (lParam = 0x%p)!\n", hshell_msg[i].msg_name, lParam); 1570 found = 1; 1571 break; 1572 } 1573 } 1574 if (found) 1575 break; 1576 #endif 1577 TRACE("Shell message %d unhandled (lParam = 0x%p)!\n", (INT) wParam, lParam); 1578 break; 1579 } 1580 } 1581 1582 return Ret; 1583 } 1584 1585 VOID HandleTaskItemClick(IN OUT PTASK_ITEM TaskItem) 1586 { 1587 BOOL bIsMinimized; 1588 BOOL bIsActive; 1589 1590 if (::IsWindow(TaskItem->hWnd)) 1591 { 1592 bIsMinimized = ::IsIconic(TaskItem->hWnd); 1593 bIsActive = (TaskItem == m_ActiveTaskItem); 1594 1595 TRACE("Active TaskItem %p, selected TaskItem %p\n", m_ActiveTaskItem, TaskItem); 1596 if (m_ActiveTaskItem) 1597 TRACE("Active TaskItem hWnd=%p, TaskItem hWnd %p\n", m_ActiveTaskItem->hWnd, TaskItem->hWnd); 1598 1599 TRACE("Valid button clicked. HWND=%p, IsMinimized=%s, IsActive=%s...\n", 1600 TaskItem->hWnd, bIsMinimized ? "Yes" : "No", bIsActive ? "Yes" : "No"); 1601 1602 if (!bIsMinimized && bIsActive) 1603 { 1604 if (!::IsHungAppWindow(TaskItem->hWnd)) 1605 ::ShowWindowAsync(TaskItem->hWnd, SW_MINIMIZE); 1606 TRACE("Valid button clicked. App window Minimized.\n"); 1607 } 1608 else 1609 { 1610 ::SwitchToThisWindow(TaskItem->hWnd, TRUE); 1611 1612 TRACE("Valid button clicked. App window Restored.\n"); 1613 } 1614 } 1615 } 1616 1617 VOID HandleTaskGroupClick(IN OUT PTASK_GROUP TaskGroup) 1618 { 1619 /* TODO: Show task group menu */ 1620 } 1621 1622 BOOL HandleButtonClick(IN WORD wIndex) 1623 { 1624 PTASK_ITEM TaskItem; 1625 PTASK_GROUP TaskGroup; 1626 1627 if (m_IsGroupingEnabled) 1628 { 1629 TaskGroup = FindTaskGroupByIndex((INT) wIndex); 1630 if (TaskGroup != NULL && TaskGroup->IsCollapsed) 1631 { 1632 HandleTaskGroupClick(TaskGroup); 1633 return TRUE; 1634 } 1635 } 1636 1637 TaskItem = FindTaskItemByIndex((INT) wIndex); 1638 if (TaskItem != NULL) 1639 { 1640 SendPulseToTray(FALSE, TaskItem->hWnd); 1641 HandleTaskItemClick(TaskItem); 1642 return TRUE; 1643 } 1644 1645 return FALSE; 1646 } 1647 1648 static VOID CALLBACK 1649 SendAsyncProc(HWND hwnd, UINT uMsg, DWORD_PTR dwData, LRESULT lResult) 1650 { 1651 ::PostMessageW(hwnd, WM_NULL, 0, 0); 1652 } 1653 1654 VOID HandleTaskItemRightClick(IN OUT PTASK_ITEM TaskItem) 1655 { 1656 POINT pt; 1657 GetCursorPos(&pt); 1658 1659 SetForegroundWindow(TaskItem->hWnd); 1660 1661 ActivateTask(TaskItem->hWnd); 1662 1663 if (GetForegroundWindow() != TaskItem->hWnd) 1664 ERR("HandleTaskItemRightClick detected the window did not become foreground\n"); 1665 1666 ::SendMessageCallbackW(TaskItem->hWnd, WM_POPUPSYSTEMMENU, 0, MAKELPARAM(pt.x, pt.y), 1667 SendAsyncProc, (ULONG_PTR)TaskItem); 1668 } 1669 1670 VOID HandleTaskGroupRightClick(IN OUT PTASK_GROUP TaskGroup) 1671 { 1672 /* TODO: Show task group right click menu */ 1673 } 1674 1675 BOOL HandleButtonRightClick(IN WORD wIndex) 1676 { 1677 PTASK_ITEM TaskItem; 1678 PTASK_GROUP TaskGroup; 1679 if (m_IsGroupingEnabled) 1680 { 1681 TaskGroup = FindTaskGroupByIndex((INT) wIndex); 1682 if (TaskGroup != NULL && TaskGroup->IsCollapsed) 1683 { 1684 HandleTaskGroupRightClick(TaskGroup); 1685 return TRUE; 1686 } 1687 } 1688 1689 TaskItem = FindTaskItemByIndex((INT) wIndex); 1690 1691 if (TaskItem != NULL) 1692 { 1693 HandleTaskItemRightClick(TaskItem); 1694 return TRUE; 1695 } 1696 1697 return FALSE; 1698 } 1699 1700 1701 LRESULT HandleItemPaint(IN OUT NMTBCUSTOMDRAW *nmtbcd) 1702 { 1703 LRESULT Ret = CDRF_DODEFAULT; 1704 PTASK_GROUP TaskGroup; 1705 PTASK_ITEM TaskItem; 1706 1707 TaskItem = FindTaskItemByIndex((INT) nmtbcd->nmcd.dwItemSpec); 1708 TaskGroup = FindTaskGroupByIndex((INT) nmtbcd->nmcd.dwItemSpec); 1709 if (TaskGroup == NULL && TaskItem != NULL) 1710 { 1711 ASSERT(TaskItem != NULL); 1712 1713 if (TaskItem != NULL && ::IsWindow(TaskItem->hWnd)) 1714 { 1715 /* Make the entire button flashing if necessary */ 1716 if (nmtbcd->nmcd.uItemState & CDIS_MARKED) 1717 { 1718 Ret = TBCDRF_NOBACKGROUND; 1719 if (!m_Theme) 1720 { 1721 SelectObject(nmtbcd->nmcd.hdc, GetSysColorBrush(COLOR_HIGHLIGHT)); 1722 Rectangle(nmtbcd->nmcd.hdc, 1723 nmtbcd->nmcd.rc.left, 1724 nmtbcd->nmcd.rc.top, 1725 nmtbcd->nmcd.rc.right, 1726 nmtbcd->nmcd.rc.bottom); 1727 } 1728 else 1729 { 1730 DrawThemeBackground(m_Theme, nmtbcd->nmcd.hdc, TDP_FLASHBUTTON, 0, &nmtbcd->nmcd.rc, 0); 1731 } 1732 nmtbcd->clrText = GetSysColor(COLOR_HIGHLIGHTTEXT); 1733 return Ret; 1734 } 1735 } 1736 } 1737 else if (TaskGroup != NULL) 1738 { 1739 /* FIXME: Implement painting for task groups */ 1740 } 1741 return Ret; 1742 } 1743 1744 LRESULT HandleToolbarNotification(IN const NMHDR *nmh) 1745 { 1746 LRESULT Ret = 0; 1747 1748 switch (nmh->code) 1749 { 1750 case NM_CUSTOMDRAW: 1751 { 1752 LPNMTBCUSTOMDRAW nmtbcd = (LPNMTBCUSTOMDRAW) nmh; 1753 1754 switch (nmtbcd->nmcd.dwDrawStage) 1755 { 1756 1757 case CDDS_ITEMPREPAINT: 1758 Ret = HandleItemPaint(nmtbcd); 1759 break; 1760 1761 case CDDS_PREPAINT: 1762 Ret = CDRF_NOTIFYITEMDRAW; 1763 break; 1764 1765 default: 1766 Ret = CDRF_DODEFAULT; 1767 break; 1768 } 1769 break; 1770 } 1771 } 1772 1773 return Ret; 1774 } 1775 1776 LRESULT OnEraseBackground(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled) 1777 { 1778 HDC hdc = (HDC) wParam; 1779 1780 if (!IsAppThemed()) 1781 { 1782 bHandled = FALSE; 1783 return 0; 1784 } 1785 1786 RECT rect; 1787 GetClientRect(&rect); 1788 DrawThemeParentBackground(m_hWnd, hdc, &rect); 1789 1790 return TRUE; 1791 } 1792 1793 LRESULT OnSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled) 1794 { 1795 SIZE szClient; 1796 1797 szClient.cx = LOWORD(lParam); 1798 szClient.cy = HIWORD(lParam); 1799 if (m_TaskBar.m_hWnd != NULL) 1800 { 1801 m_TaskBar.SetWindowPos(NULL, 0, 0, szClient.cx, szClient.cy, SWP_NOZORDER); 1802 1803 UpdateButtonsSize(FALSE); 1804 } 1805 return TRUE; 1806 } 1807 1808 LRESULT OnNcHitTest(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled) 1809 { 1810 LRESULT Ret = TRUE; 1811 /* We want the tray window to be draggable everywhere, so make the control 1812 appear transparent */ 1813 Ret = DefWindowProc(uMsg, wParam, lParam); 1814 if (Ret != HTVSCROLL && Ret != HTHSCROLL) 1815 Ret = HTTRANSPARENT; 1816 return Ret; 1817 } 1818 1819 LRESULT OnCommand(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled) 1820 { 1821 LRESULT Ret = TRUE; 1822 if (lParam != 0 && (HWND) lParam == m_TaskBar.m_hWnd) 1823 { 1824 HandleButtonClick(LOWORD(wParam)); 1825 } 1826 return Ret; 1827 } 1828 1829 LRESULT OnNotify(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled) 1830 { 1831 LRESULT Ret = TRUE; 1832 const NMHDR *nmh = (const NMHDR *) lParam; 1833 1834 if (nmh->hwndFrom == m_TaskBar.m_hWnd) 1835 { 1836 Ret = HandleToolbarNotification(nmh); 1837 } 1838 return Ret; 1839 } 1840 1841 LRESULT OnUpdateTaskbarPos(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled) 1842 { 1843 /* Update the button spacing */ 1844 m_TaskBar.UpdateTbButtonSpacing(m_Tray->IsHorizontal(), m_Theme != NULL); 1845 return TRUE; 1846 } 1847 1848 LRESULT OnTaskbarSettingsChanged(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled) 1849 { 1850 BOOL bSettingsChanged = FALSE; 1851 TaskbarSettings* newSettings = (TaskbarSettings*)lParam; 1852 1853 if (newSettings->bGroupButtons != g_TaskbarSettings.bGroupButtons) 1854 { 1855 bSettingsChanged = TRUE; 1856 g_TaskbarSettings.bGroupButtons = newSettings->bGroupButtons; 1857 m_IsGroupingEnabled = g_TaskbarSettings.bGroupButtons; 1858 } 1859 1860 if (newSettings->bSmallIcons != g_TaskbarSettings.bSmallIcons) 1861 { 1862 bSettingsChanged = TRUE; 1863 g_TaskbarSettings.bSmallIcons = newSettings->bSmallIcons; 1864 } 1865 1866 if (bSettingsChanged) 1867 { 1868 /* Refresh each task item view */ 1869 RefreshWindowList(); 1870 UpdateButtonsSize(FALSE); 1871 } 1872 1873 return 0; 1874 } 1875 1876 LRESULT OnContextMenu(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled) 1877 { 1878 LRESULT Ret = 0; 1879 INT_PTR iBtn = -1; 1880 1881 if (m_TaskBar.m_hWnd != NULL) 1882 { 1883 POINT pt; 1884 1885 pt.x = GET_X_LPARAM(lParam); 1886 pt.y = GET_Y_LPARAM(lParam); 1887 1888 ::ScreenToClient(m_TaskBar.m_hWnd, &pt); 1889 1890 iBtn = m_TaskBar.HitTest(&pt); 1891 if (iBtn >= 0) 1892 { 1893 HandleButtonRightClick(iBtn); 1894 } 1895 } 1896 if (iBtn < 0) 1897 { 1898 /* Not on a taskbar button, so forward message to tray */ 1899 Ret = SendMessage(m_Tray->GetHWND(), uMsg, wParam, lParam); 1900 } 1901 return Ret; 1902 } 1903 1904 LRESULT OnKludgeItemRect(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled) 1905 { 1906 PTASK_ITEM TaskItem = FindTaskItem((HWND) wParam); 1907 if (TaskItem) 1908 { 1909 RECT* prcMinRect = (RECT*) lParam; 1910 RECT rcItem, rcToolbar; 1911 m_TaskBar.GetItemRect(TaskItem->Index, &rcItem); 1912 m_TaskBar.GetWindowRect(&rcToolbar); 1913 1914 OffsetRect(&rcItem, rcToolbar.left, rcToolbar.top); 1915 1916 *prcMinRect = rcItem; 1917 return TRUE; 1918 } 1919 return FALSE; 1920 } 1921 1922 LRESULT OnMouseActivate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled) 1923 { 1924 return MA_NOACTIVATE; 1925 } 1926 1927 LRESULT OnTimer(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled) 1928 { 1929 #if DUMP_TASKS != 0 1930 switch (wParam) 1931 { 1932 case 1: 1933 DumpTasks(); 1934 break; 1935 } 1936 #endif 1937 return TRUE; 1938 } 1939 1940 LRESULT OnSetFont(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled) 1941 { 1942 return m_TaskBar.SendMessageW(uMsg, wParam, lParam); 1943 } 1944 1945 LRESULT OnSettingChanged(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled) 1946 { 1947 if (wParam == SPI_SETNONCLIENTMETRICS) 1948 { 1949 /* Don't update the font, this will be done when we get a WM_SETFONT from our parent */ 1950 UpdateButtonsSize(FALSE); 1951 } 1952 1953 return 0; 1954 } 1955 1956 LRESULT OnCopyData(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled) 1957 { 1958 PCOPYDATASTRUCT cpData = (PCOPYDATASTRUCT)lParam; 1959 if (cpData->dwData == m_uHardErrorMsg) 1960 { 1961 /* A hard error balloon message */ 1962 PBALLOON_HARD_ERROR_DATA pData = (PBALLOON_HARD_ERROR_DATA)cpData->lpData; 1963 ERR("Got balloon data 0x%x, 0x%x, '%S', '%S'\n", pData->Status, pData->dwType, (WCHAR*)((ULONG_PTR)pData + pData->TitleOffset), (WCHAR*)((ULONG_PTR)pData + pData->MessageOffset)); 1964 if (pData->cbHeaderSize == sizeof(BALLOON_HARD_ERROR_DATA)) 1965 m_HardErrorThread.StartThread(pData); 1966 return TRUE; 1967 } 1968 1969 return FALSE; 1970 } 1971 1972 HRESULT Initialize(IN HWND hWndParent, IN OUT ITrayWindow *tray) 1973 { 1974 m_Tray = tray; 1975 m_IsGroupingEnabled = g_TaskbarSettings.bGroupButtons; 1976 Create(hWndParent, 0, szRunningApps, WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_TABSTOP); 1977 if (!m_hWnd) 1978 return E_FAIL; 1979 return S_OK; 1980 } 1981 1982 HRESULT WINAPI GetWindow(HWND* phwnd) 1983 { 1984 if (!phwnd) 1985 return E_INVALIDARG; 1986 *phwnd = m_hWnd; 1987 return S_OK; 1988 } 1989 1990 HRESULT WINAPI ContextSensitiveHelp(BOOL fEnterMode) 1991 { 1992 return E_NOTIMPL; 1993 } 1994 1995 DECLARE_WND_CLASS_EX(szTaskSwitchWndClass, CS_DBLCLKS, COLOR_3DFACE) 1996 1997 BEGIN_MSG_MAP(CTaskSwitchWnd) 1998 MESSAGE_HANDLER(WM_THEMECHANGED, OnThemeChanged) 1999 MESSAGE_HANDLER(WM_ERASEBKGND, OnEraseBackground) 2000 MESSAGE_HANDLER(WM_SIZE, OnSize) 2001 MESSAGE_HANDLER(WM_CREATE, OnCreate) 2002 MESSAGE_HANDLER(WM_DESTROY, OnDestroy) 2003 MESSAGE_HANDLER(WM_NCHITTEST, OnNcHitTest) 2004 MESSAGE_HANDLER(WM_COMMAND, OnCommand) 2005 MESSAGE_HANDLER(WM_NOTIFY, OnNotify) 2006 MESSAGE_HANDLER(TSWM_UPDATETASKBARPOS, OnUpdateTaskbarPos) 2007 MESSAGE_HANDLER(TWM_SETTINGSCHANGED, OnTaskbarSettingsChanged) 2008 MESSAGE_HANDLER(WM_CONTEXTMENU, OnContextMenu) 2009 MESSAGE_HANDLER(WM_TIMER, OnTimer) 2010 MESSAGE_HANDLER(WM_SETFONT, OnSetFont) 2011 MESSAGE_HANDLER(WM_SETTINGCHANGE, OnSettingChanged) 2012 MESSAGE_HANDLER(m_ShellHookMsg, OnShellHook) 2013 MESSAGE_HANDLER(WM_MOUSEACTIVATE, OnMouseActivate) 2014 MESSAGE_HANDLER(WM_KLUDGEMINRECT, OnKludgeItemRect) 2015 MESSAGE_HANDLER(WM_COPYDATA, OnCopyData) 2016 END_MSG_MAP() 2017 2018 DECLARE_NOT_AGGREGATABLE(CTaskSwitchWnd) 2019 2020 DECLARE_PROTECT_FINAL_CONSTRUCT() 2021 BEGIN_COM_MAP(CTaskSwitchWnd) 2022 COM_INTERFACE_ENTRY_IID(IID_IOleWindow, IOleWindow) 2023 END_COM_MAP() 2024 }; 2025 2026 HRESULT CTaskSwitchWnd_CreateInstance(IN HWND hWndParent, IN OUT ITrayWindow *Tray, REFIID riid, void **ppv) 2027 { 2028 return ShellObjectCreatorInit<CTaskSwitchWnd>(hWndParent, Tray, riid, ppv); 2029 } 2030