reactos/base/shell/explorer/trayntfy.cpp

   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
  23 #define GET_X_LPARAM(lp) ((int)(short)LOWORD(lp))
  24 #define GET_Y_LPARAM(lp) ((int)(short)HIWORD(lp))
  25
  26 /*
  27  * SysPagerWnd
  28  */
  29 static const WCHAR szSysPagerWndClass [] = L"SysPager";
  30
  31 // Data comes from shell32/systray.cpp -> TrayNotifyCDS_Dummy
  32 typedef struct _SYS_PAGER_COPY_DATA
  33 {
  34     DWORD           cookie;
  35     DWORD           notify_code;
  36     NOTIFYICONDATA  nicon_data;
  37 } SYS_PAGER_COPY_DATA, *PSYS_PAGER_COPY_DATA;
  38
  39 class CNotifyToolbar :
  40     public CWindowImplBaseT< CToolbar<NOTIFYICONDATA>, CControlWinTraits >
  41 {
  42     static const int ICON_SIZE = 16;
  43
  44     HIMAGELIST m_ImageList;
  45     int m_VisibleButtonCount;
  46
  47 public:
  48     CNotifyToolbar() :
  49         m_ImageList(NULL),
  50         m_VisibleButtonCount(0)
  51     {
  52     }
  53
  54     ~CNotifyToolbar()
  55     {
  56     }
  57
  58     int GetVisibleButtonCount()
  59     {
  60         return m_VisibleButtonCount;
  61     }
  62
  63     int FindItemByIconData(IN CONST NOTIFYICONDATA *iconData, NOTIFYICONDATA ** pdata)
  64     {
  65         int count = GetButtonCount();
  66
  67         for (int i = 0; i < count; i++)
  68         {
  69             NOTIFYICONDATA * data;
  70
  71             data = GetItemData(i);
  72
  73             if (data->hWnd == iconData->hWnd &&
  74                 data->uID == iconData->uID)
  75             {
  76                 if (pdata)
  77                     *pdata = data;
  78                 return i;
  79             }
  80         }
  81
  82         return -1;
  83     }
  84
  85     BOOL AddButton(IN CONST NOTIFYICONDATA *iconData)
  86     {
  87         TBBUTTON tbBtn;
  88         NOTIFYICONDATA * notifyItem;
  89         WCHAR text[] = L"";
  90
  91         int index = FindItemByIconData(iconData, &notifyItem);
  92         if (index >= 0)
  93         {
  94             return UpdateButton(iconData);
  95         }
  96
  97         notifyItem = new NOTIFYICONDATA();
  98         ZeroMemory(notifyItem, sizeof(*notifyItem));
  99
 100         notifyItem->hWnd = iconData->hWnd;
 101         notifyItem->uID = iconData->uID;
 102
 103         tbBtn.fsState = TBSTATE_ENABLED;
 104         tbBtn.fsStyle = BTNS_NOPREFIX;
 105         tbBtn.dwData = (DWORD_PTR)notifyItem;
 106         tbBtn.iString = (INT_PTR) text;
 107         tbBtn.idCommand = GetButtonCount();
 108
 109         if (iconData->uFlags & NIF_MESSAGE)
 110         {
 111             notifyItem->uCallbackMessage = iconData->uCallbackMessage;
 112         }
 113
 114         if (iconData->uFlags & NIF_ICON)
 115         {
 116             tbBtn.iBitmap = ImageList_AddIcon(m_ImageList, iconData->hIcon);
 117         }
 118
 119         if (iconData->uFlags & NIF_TIP)
 120         {
 121             StringCchCopy(notifyItem->szTip, _countof(notifyItem->szTip), iconData->szTip);
 122         }
 123
 124         m_VisibleButtonCount++;
 125         if (iconData->uFlags & NIF_STATE)
 126         {
 127             notifyItem->dwState &= ~iconData->dwStateMask;
 128             notifyItem->dwState |= (iconData->dwState & iconData->dwStateMask);
 129             if (notifyItem->dwState & NIS_HIDDEN)
 130             {
 131                 tbBtn.fsState |= TBSTATE_HIDDEN;
 132                 m_VisibleButtonCount--;
 133             }
 134         }
 135
 136         /* TODO: support NIF_INFO, NIF_GUID, NIF_REALTIME, NIF_SHOWTIP */
 137
 138         CToolbar::AddButton(&tbBtn);
 139         SetButtonSize(ICON_SIZE, ICON_SIZE);
 140
 141         return TRUE;
 142     }
 143
 144     BOOL UpdateButton(IN CONST NOTIFYICONDATA *iconData)
 145     {
 146         NOTIFYICONDATA * notifyItem;
 147         TBBUTTONINFO tbbi = { 0 };
 148
 149         int index = FindItemByIconData(iconData, &notifyItem);
 150         if (index < 0)
 151         {
 152             return AddButton(iconData);
 153         }
 154
 155         tbbi.cbSize = sizeof(tbbi);
 156         tbbi.dwMask = TBIF_BYINDEX | TBIF_COMMAND;
 157         tbbi.idCommand = index;
 158
 159         if (iconData->uFlags & NIF_MESSAGE)
 160         {
 161             notifyItem->uCallbackMessage = iconData->uCallbackMessage;
 162         }
 163
 164         if (iconData->uFlags & NIF_ICON)
 165         {
 166             tbbi.dwMask |= TBIF_IMAGE;
 167             tbbi.iImage = ImageList_ReplaceIcon(m_ImageList, index, iconData->hIcon);
 168         }
 169
 170         if (iconData->uFlags & NIF_TIP)
 171         {
 172             StringCchCopy(notifyItem->szTip, _countof(notifyItem->szTip), iconData->szTip);
 173         }
 174
 175         if (iconData->uFlags & NIF_STATE)
 176         {
 177             if (iconData->dwStateMask & NIS_HIDDEN &&
 178                 (notifyItem->dwState & NIS_HIDDEN) != (iconData->dwState & NIS_HIDDEN))
 179             {
 180                 tbbi.dwMask |= TBIF_STATE;
 181                 if (iconData->dwState & NIS_HIDDEN)
 182                 {
 183                     tbbi.fsState |= TBSTATE_HIDDEN;
 184                     m_VisibleButtonCount--;
 185                 }
 186                 else
 187                 {
 188                     tbbi.fsState &= ~TBSTATE_HIDDEN;
 189                     m_VisibleButtonCount++;
 190                 }
 191             }
 192
 193             notifyItem->dwState &= ~iconData->dwStateMask;
 194             notifyItem->dwState |= (iconData->dwState & iconData->dwStateMask);
 195         }
 196
 197         /* TODO: support NIF_INFO, NIF_GUID, NIF_REALTIME, NIF_SHOWTIP */
 198
 199         SetButtonInfo(index, &tbbi);
 200
 201         return TRUE;
 202     }
 203
 204     BOOL RemoveButton(IN CONST NOTIFYICONDATA *iconData)
 205     {
 206         NOTIFYICONDATA * notifyItem;
 207
 208         int index = FindItemByIconData(iconData, &notifyItem);
 209         if (index < 0)
 210             return FALSE;
 211
 212         if (!(notifyItem->dwState & NIS_HIDDEN))
 213         {
 214             m_VisibleButtonCount--;
 215         }
 216
 217         delete notifyItem;
 218
 219         ImageList_Remove(m_ImageList, index);
 220
 221         int count = GetButtonCount();
 222
 223         /* shift all buttons one index to the left -- starting one index right
 224            from item to delete -- to preserve their correct icon and tip */
 225         for (int i = index; i < count - 1; i++)
 226         {
 227             notifyItem = GetItemData(i + 1);
 228             SetItemData(i, notifyItem);
 229             UpdateButton(notifyItem);
 230         }
 231
 232         /* Delete the right-most, now obsolete button */
 233         DeleteButton(count - 1);
 234
 235         return TRUE;
 236     }
 237
 238     VOID GetTooltipText(int index, LPTSTR szTip, DWORD cchTip)
 239     {
 240         NOTIFYICONDATA * notifyItem;
 241         notifyItem = GetItemData(index);
 242
 243         if (notifyItem)
 244         {
 245             StringCchCopy(szTip, cchTip, notifyItem->szTip);
 246         }
 247     }
 248
 249 private:
 250
 251     VOID SendMouseEvent(IN WORD wIndex, IN UINT uMsg, IN WPARAM wParam)
 252     {
 253         static LPCWSTR eventNames [] = {
 254             L"WM_MOUSEMOVE",
 255             L"WM_LBUTTONDOWN",
 256             L"WM_LBUTTONUP",
 257             L"WM_LBUTTONDBLCLK",
 258             L"WM_RBUTTONDOWN",
 259             L"WM_RBUTTONUP",
 260             L"WM_RBUTTONDBLCLK",
 261             L"WM_MBUTTONDOWN",
 262             L"WM_MBUTTONUP",
 263             L"WM_MBUTTONDBLCLK",
 264             L"WM_MOUSEWHEEL",
 265             L"WM_XBUTTONDOWN",
 266             L"WM_XBUTTONUP",
 267             L"WM_XBUTTONDBLCLK"
 268         };
 269
 270         NOTIFYICONDATA * notifyItem = GetItemData(wIndex);
 271
 272         if (!::IsWindow(notifyItem->hWnd))
 273         {
 274             // We detect and destroy icons with invalid handles only on mouse move over systray, same as MS does.
 275             // Alternatively we could search for them periodically (would waste more resources).
 276             TRACE("destroying icon with invalid handle\n");
 277
 278             HWND parentHWND = GetParent();
 279             parentHWND = ::GetParent(parentHWND);
 280
 281             RECT windowRect;
 282             ::GetClientRect(parentHWND, &windowRect);
 283
 284             RemoveButton(notifyItem);
 285
 286             SendMessage(parentHWND,
 287                 WM_SIZE,
 288                 0,
 289                 MAKELONG(windowRect.right - windowRect.left,
 290                          windowRect.bottom - windowRect.top));
 291
 292             return;
 293         }
 294
 295         if (uMsg >= WM_MOUSEFIRST && uMsg <= WM_MOUSELAST)
 296         {
 297             TRACE("Sending message %S from button %d to %p (msg=%x, w=%x, l=%x)...\n",
 298                      eventNames[uMsg - WM_MOUSEFIRST], wIndex,
 299                      notifyItem->hWnd, notifyItem->uCallbackMessage, notifyItem->uID, uMsg);
 300         }
 301
 302         DWORD pid;
 303         GetWindowThreadProcessId(notifyItem->hWnd, &pid);
 304
 305         if (pid == GetCurrentProcessId() ||
 306             (uMsg >= WM_MOUSEFIRST && uMsg <= WM_MOUSELAST))
 307         {
 308             ::PostMessage(notifyItem->hWnd,
 309                           notifyItem->uCallbackMessage,
 310                           notifyItem->uID,
 311                           uMsg);
 312         }
 313         else
 314         {
 315             SendMessage(notifyItem->hWnd,
 316                         notifyItem->uCallbackMessage,
 317                         notifyItem->uID,
 318                         uMsg);
 319         }
 320     }
 321
 322     LRESULT OnMouseEvent(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
 323     {
 324         POINT pt = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };
 325
 326         INT iBtn = HitTest(&pt);
 327
 328         if (iBtn >= 0)
 329         {
 330             SendMouseEvent(iBtn, uMsg, wParam);
 331         }
 332
 333         bHandled = FALSE;
 334         return FALSE;
 335     }
 336
 337     LRESULT OnTooltipShow(INT uCode, LPNMHDR hdr, BOOL& bHandled)
 338     {
 339         RECT rcTip, rcItem;
 340         ::GetWindowRect(hdr->hwndFrom, &rcTip);
 341
 342         SIZE szTip = { rcTip.right - rcTip.left, rcTip.bottom - rcTip.top };
 343
 344         INT iBtn = GetHotItem();
 345
 346         if (iBtn >= 0)
 347         {
 348             MONITORINFO monInfo = { 0 };
 349             HMONITOR hMon = MonitorFromWindow(m_hWnd, MONITOR_DEFAULTTONEAREST);
 350
 351             monInfo.cbSize = sizeof(monInfo);
 352
 353             if (hMon)
 354                 GetMonitorInfo(hMon, &monInfo);
 355             else
 356                 ::GetWindowRect(GetDesktopWindow(), &monInfo.rcMonitor);
 357
 358             GetItemRect(iBtn, &rcItem);
 359
 360             POINT ptItem = { rcItem.left, rcItem.top };
 361             SIZE szItem = { rcItem.right - rcItem.left, rcItem.bottom - rcItem.top };
 362             ClientToScreen(&ptItem);
 363
 364             ptItem.x += szItem.cx / 2;
 365             ptItem.y -= szTip.cy;
 366
 367             if (ptItem.x + szTip.cx > monInfo.rcMonitor.right)
 368                 ptItem.x = monInfo.rcMonitor.right - szTip.cx;
 369
 370             if (ptItem.y + szTip.cy > monInfo.rcMonitor.bottom)
 371                 ptItem.y = monInfo.rcMonitor.bottom - szTip.cy;
 372
 373             if (ptItem.x < monInfo.rcMonitor.left)
 374                 ptItem.x = monInfo.rcMonitor.left;
 375
 376             if (ptItem.y < monInfo.rcMonitor.top)
 377                 ptItem.y = monInfo.rcMonitor.top;
 378
 379             TRACE("ptItem { %d, %d }\n", ptItem.x, ptItem.y);
 380
 381             ::SetWindowPos(hdr->hwndFrom, NULL, ptItem.x, ptItem.y, 0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE);
 382
 383             return TRUE;
 384         }
 385
 386         bHandled = FALSE;
 387         return 0;
 388     }
 389
 390
 391 public:
 392     BEGIN_MSG_MAP(CNotifyToolbar)
 393         MESSAGE_RANGE_HANDLER(WM_MOUSEFIRST, WM_MOUSELAST, OnMouseEvent)
 394         NOTIFY_CODE_HANDLER(TTN_SHOW, OnTooltipShow)
 395     END_MSG_MAP()
 396
 397     void Initialize(HWND hWndParent)
 398     {
 399         DWORD styles =
 400             WS_CHILD | WS_VISIBLE | WS_CLIPCHILDREN |
 401             TBSTYLE_FLAT | TBSTYLE_TOOLTIPS | TBSTYLE_WRAPABLE | TBSTYLE_TRANSPARENT |
 402             CCS_TOP | CCS_NORESIZE | CCS_NOPARENTALIGN | CCS_NODIVIDER;
 403
 404         SubclassWindow(CToolbar::Create(hWndParent, styles));
 405
 406         SetWindowTheme(m_hWnd, L"TrayNotify", NULL);
 407
 408         m_ImageList = ImageList_Create(16, 16, ILC_COLOR32 | ILC_MASK, 0, 1000);
 409         SetImageList(m_ImageList);
 410
 411         SetButtonSize(ICON_SIZE, ICON_SIZE);
 412     }
 413 };
 414
 415 class CSysPagerWnd :
 416     public CComObjectRootEx<CComMultiThreadModelNoCS>,
 417     public CWindowImpl < CSysPagerWnd, CWindow, CControlWinTraits >
 418 {
 419     CNotifyToolbar Toolbar;
 420
 421 public:
 422     CSysPagerWnd() {}
 423     virtual ~CSysPagerWnd() {}
 424
 425     LRESULT DrawBackground(HDC hdc)
 426     {
 427         RECT rect;
 428
 429         GetClientRect(&rect);
 430         DrawThemeParentBackground(m_hWnd, hdc, &rect);
 431
 432         return TRUE;
 433     }
 434
 435     LRESULT OnEraseBackground(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
 436     {
 437         HDC hdc = (HDC) wParam;
 438
 439         if (!IsAppThemed())
 440         {
 441             bHandled = FALSE;
 442             return 0;
 443         }
 444
 445         return DrawBackground(hdc);
 446     }
 447
 448     LRESULT OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
 449     {
 450         Toolbar.Initialize(m_hWnd);
 451
 452         // Explicitly request running applications to re-register their systray icons
 453         ::SendNotifyMessageW(HWND_BROADCAST,
 454                              RegisterWindowMessageW(L"TaskbarCreated"),
 455                              0, 0);
 456
 457         return TRUE;
 458     }
 459
 460     BOOL NotifyIconCmd(WPARAM wParam, LPARAM lParam)
 461     {
 462         PCOPYDATASTRUCT cpData = (PCOPYDATASTRUCT) lParam;
 463         if (cpData->dwData == 1)
 464         {
 465             SYS_PAGER_COPY_DATA * data;
 466             NOTIFYICONDATA *iconData;
 467             HWND parentHWND;
 468             RECT windowRect;
 469             BOOL ret = FALSE;
 470             parentHWND = GetParent();
 471             parentHWND = ::GetParent(parentHWND);
 472             ::GetClientRect(parentHWND, &windowRect);
 473
 474             data = (PSYS_PAGER_COPY_DATA) cpData->lpData;
 475             iconData = &data->nicon_data;
 476
 477             TRACE("NotifyIconCmd received. Code=%d\n", data->notify_code);
 478             switch (data->notify_code)
 479             {
 480             case NIM_ADD:
 481                 ret = Toolbar.AddButton(iconData);
 482                 break;
 483             case NIM_MODIFY:
 484                 ret = Toolbar.UpdateButton(iconData);
 485                 break;
 486             case NIM_DELETE:
 487                 ret = Toolbar.RemoveButton(iconData);
 488                 break;
 489             default:
 490                 TRACE("NotifyIconCmd received with unknown code %d.\n", data->notify_code);
 491                 return FALSE;
 492             }
 493
 494             SendMessage(parentHWND,
 495                 WM_SIZE,
 496                 0,
 497                 MAKELONG(windowRect.right - windowRect.left,
 498                          windowRect.bottom - windowRect.top));
 499
 500             return ret;
 501         }
 502
 503         return TRUE;
 504     }
 505
 506     void GetSize(IN WPARAM wParam, IN PSIZE size)
 507     {
 508         INT rows = 0;
 509         int VisibleButtonCount = Toolbar.GetVisibleButtonCount();
 510
 511         if (wParam) /* horizontal */
 512         {
 513             rows = size->cy / 24;
 514             if (rows == 0)
 515                 rows++;
 516             size->cx = (VisibleButtonCount + rows - 1) / rows * 24;
 517         }
 518         else
 519         {
 520             rows = size->cx / 24;
 521             if (rows == 0)
 522                 rows++;
 523             size->cy = (VisibleButtonCount + rows - 1) / rows * 24;
 524         }
 525     }
 526
 527     LRESULT OnGetInfoTip(INT uCode, LPNMHDR hdr, BOOL& bHandled)
 528     {
 529         NMTBGETINFOTIPW * nmtip = (NMTBGETINFOTIPW *) hdr;
 530         Toolbar.GetTooltipText(nmtip->iItem, nmtip->pszText, nmtip->cchTextMax);
 531         return TRUE;
 532     }
 533
 534     LRESULT OnCustomDraw(INT uCode, LPNMHDR hdr, BOOL& bHandled)
 535     {
 536         NMCUSTOMDRAW * cdraw = (NMCUSTOMDRAW *) hdr;
 537         switch (cdraw->dwDrawStage)
 538         {
 539         case CDDS_PREPAINT:
 540             return CDRF_NOTIFYITEMDRAW;
 541
 542         case CDDS_ITEMPREPAINT:
 543             return TBCDRF_NOBACKGROUND | TBCDRF_NOEDGES | TBCDRF_NOOFFSET | TBCDRF_NOMARK | TBCDRF_NOETCHEDEFFECT;
 544         }
 545         return TRUE;
 546     }
 547
 548     LRESULT OnSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
 549     {
 550         LRESULT Ret = TRUE;
 551         SIZE szClient;
 552         szClient.cx = LOWORD(lParam);
 553         szClient.cy = HIWORD(lParam);
 554
 555         Ret = DefWindowProc(uMsg, wParam, lParam);
 556
 557         if (Toolbar)
 558         {
 559             TBMETRICS tbm;
 560             tbm.cbSize = sizeof(tbm);
 561             tbm.dwMask = TBMF_BARPAD | TBMF_BUTTONSPACING;
 562             tbm.cxBarPad = tbm.cyBarPad = 0;
 563             tbm.cxButtonSpacing = 0;
 564             tbm.cyButtonSpacing = 0;
 565
 566             Toolbar.SetMetrics(&tbm);
 567
 568             Toolbar.SetWindowPos(NULL, 0, 0, szClient.cx, szClient.cy, SWP_NOZORDER);
 569             Toolbar.AutoSize();
 570
 571             RECT rc;
 572             Toolbar.GetClientRect(&rc);
 573
 574             SIZE szBar = { rc.right - rc.left, rc.bottom - rc.top };
 575
 576             INT xOff = (szClient.cx - szBar.cx) / 2;
 577             INT yOff = (szClient.cy - szBar.cy) / 2;
 578
 579             Toolbar.SetWindowPos(NULL, xOff, yOff, szBar.cx, szBar.cy, SWP_NOZORDER);
 580         }
 581         return Ret;
 582     }
 583
 584     LRESULT OnCtxMenu(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
 585     {
 586         bHandled = TRUE;
 587         return 0;
 588     }
 589
 590     DECLARE_WND_CLASS_EX(szSysPagerWndClass, CS_DBLCLKS, COLOR_3DFACE)
 591
 592     BEGIN_MSG_MAP(CTaskSwitchWnd)
 593         MESSAGE_HANDLER(WM_CREATE, OnCreate)
 594         MESSAGE_HANDLER(WM_ERASEBKGND, OnEraseBackground)
 595         MESSAGE_HANDLER(WM_SIZE, OnSize)
 596         MESSAGE_HANDLER(WM_CONTEXTMENU, OnCtxMenu)
 597         NOTIFY_CODE_HANDLER(TBN_GETINFOTIPW, OnGetInfoTip)
 598         NOTIFY_CODE_HANDLER(NM_CUSTOMDRAW, OnCustomDraw)
 599     END_MSG_MAP()
 600
 601     HWND _Init(IN HWND hWndParent, IN BOOL bVisible)
 602     {
 603         DWORD dwStyle;
 604
 605         /* Create the window. The tray window is going to move it to the correct
 606             position and resize it as needed. */
 607         dwStyle = WS_CHILD | WS_CLIPSIBLINGS;
 608         if (bVisible)
 609             dwStyle |= WS_VISIBLE;
 610
 611         Create(hWndParent, 0, NULL, dwStyle);
 612
 613         if (!m_hWnd)
 614         {
 615             return NULL;
 616         }
 617
 618         SetWindowTheme(m_hWnd, L"TrayNotify", NULL);
 619
 620         return m_hWnd;
 621     }
 622 };
 623
 624 /*
 625  * TrayClockWnd
 626  */
 627
 628 static const WCHAR szTrayClockWndClass[] = L"TrayClockWClass";
 629
 630 #define ID_TRAYCLOCK_TIMER  0
 631 #define ID_TRAYCLOCK_TIMER_INIT 1
 632
 633 static const struct
 634 {
 635     BOOL IsTime;
 636     DWORD dwFormatFlags;
 637     LPCWSTR lpFormat;
 638 } ClockWndFormats [] = {
 639     { TRUE, 0, NULL },
 640     { FALSE, 0, L"dddd" },
 641     { FALSE, DATE_SHORTDATE, NULL }
 642 };
 643
 644 #define CLOCKWND_FORMAT_COUNT (_ARRAYSIZE(ClockWndFormats))
 645
 646 #define TRAY_CLOCK_WND_SPACING_X    0
 647 #define TRAY_CLOCK_WND_SPACING_Y    0
 648
 649 class CTrayClockWnd :
 650     public CComObjectRootEx<CComMultiThreadModelNoCS>,
 651     public CWindowImpl < CTrayClockWnd, CWindow, CControlWinTraits >
 652 {
 653     HWND hWndNotify;
 654     HFONT hFont;
 655     COLORREF textColor;
 656     RECT rcText;
 657     SYSTEMTIME LocalTime;
 658
 659     union
 660     {
 661         DWORD dwFlags;
 662         struct
 663         {
 664             DWORD IsTimerEnabled : 1;
 665             DWORD IsInitTimerEnabled : 1;
 666             DWORD LinesMeasured : 1;
 667             DWORD IsHorizontal : 1;
 668         };
 669     };
 670     DWORD LineSpacing;
 671     SIZE CurrentSize;
 672     WORD VisibleLines;
 673     SIZE LineSizes[CLOCKWND_FORMAT_COUNT];
 674     WCHAR szLines[CLOCKWND_FORMAT_COUNT][48];
 675
 676 public:
 677     CTrayClockWnd() :
 678         hWndNotify(NULL),
 679         hFont(NULL),
 680         dwFlags(0),
 681         LineSpacing(0),
 682         VisibleLines(0)
 683     {
 684         ZeroMemory(&textColor, sizeof(textColor));
 685         ZeroMemory(&rcText, sizeof(rcText));
 686         ZeroMemory(&LocalTime, sizeof(LocalTime));
 687         ZeroMemory(&CurrentSize, sizeof(CurrentSize));
 688         ZeroMemory(LineSizes, sizeof(LineSizes));
 689         ZeroMemory(szLines, sizeof(szLines));
 690     }
 691     virtual ~CTrayClockWnd() { }
 692
 693     LRESULT OnThemeChanged()
 694     {
 695         LOGFONTW clockFont;
 696         HTHEME clockTheme;
 697         HFONT hFont;
 698
 699         clockTheme = OpenThemeData(m_hWnd, L"Clock");
 700
 701         if (clockTheme)
 702         {
 703             GetThemeFont(clockTheme,
 704                 NULL,
 705                 CLP_TIME,
 706                 0,
 707                 TMT_FONT,
 708                 &clockFont);
 709
 710             hFont = CreateFontIndirectW(&clockFont);
 711
 712             GetThemeColor(clockTheme,
 713                 CLP_TIME,
 714                 0,
 715                 TMT_TEXTCOLOR,
 716                 &textColor);
 717         }
 718         else
 719         {
 720             NONCLIENTMETRICS ncm = { 0 };
 721             ncm.cbSize = sizeof(ncm);
 722             SystemParametersInfoW(SPI_GETNONCLIENTMETRICS, sizeof(ncm), &ncm, FALSE);
 723
 724             hFont = CreateFontIndirectW(&ncm.lfMessageFont);
 725
 726             textColor = RGB(0, 0, 0);
 727         }
 728
 729         SetFont(hFont, FALSE);
 730
 731         CloseThemeData(clockTheme);
 732
 733         return TRUE;
 734     }
 735
 736     LRESULT OnThemeChanged(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
 737     {
 738         return OnThemeChanged();
 739     }
 740
 741     BOOL MeasureLines()
 742     {
 743         HDC hDC;
 744         HFONT hPrevFont;
 745         UINT c, i;
 746         BOOL bRet = TRUE;
 747
 748         hDC = GetDC();
 749         if (hDC != NULL)
 750         {
 751             if (hFont)
 752                 hPrevFont = (HFONT) SelectObject(hDC, hFont);
 753
 754             for (i = 0; i < CLOCKWND_FORMAT_COUNT && bRet; i++)
 755             {
 756                 if (szLines[i][0] != L'\0' &&
 757                     !GetTextExtentPointW(hDC, szLines[i], wcslen(szLines[i]),
 758                                          &LineSizes[i]))
 759                 {
 760                     bRet = FALSE;
 761                     break;
 762                 }
 763             }
 764
 765             if (hFont)
 766                 SelectObject(hDC, hPrevFont);
 767
 768             ReleaseDC(hDC);
 769
 770             if (bRet)
 771             {
 772                 LineSpacing = 0;
 773
 774                 /* calculate the line spacing */
 775                 for (i = 0, c = 0; i < CLOCKWND_FORMAT_COUNT; i++)
 776                 {
 777                     if (LineSizes[i].cx > 0)
 778                     {
 779                         LineSpacing += LineSizes[i].cy;
 780                         c++;
 781                     }
 782                 }
 783
 784                 if (c > 0)
 785                 {
 786                     /* We want a spacing of 1/2 line */
 787                     LineSpacing = (LineSpacing / c) / 2;
 788                 }
 789
 790                 return TRUE;
 791             }
 792         }
 793
 794         return FALSE;
 795     }
 796
 797     WORD GetMinimumSize(IN BOOL Horizontal, IN OUT PSIZE pSize)
 798     {
 799         WORD iLinesVisible = 0;
 800         UINT i;
 801         SIZE szMax = { 0, 0 };
 802
 803         if (!LinesMeasured)
 804             LinesMeasured = MeasureLines();
 805
 806         if (!LinesMeasured)
 807             return 0;
 808
 809         for (i = 0; i < CLOCKWND_FORMAT_COUNT; i++)
 810         {
 811             if (LineSizes[i].cx != 0)
 812             {
 813                 if (iLinesVisible > 0)
 814                 {
 815                     if (Horizontal)
 816                     {
 817                         if (szMax.cy + LineSizes[i].cy + (LONG) LineSpacing >
 818                             pSize->cy - (2 * TRAY_CLOCK_WND_SPACING_Y))
 819                         {
 820                             break;
 821                         }
 822                     }
 823                     else
 824                     {
 825                         if (LineSizes[i].cx > pSize->cx - (2 * TRAY_CLOCK_WND_SPACING_X))
 826                             break;
 827                     }
 828
 829                     /* Add line spacing */
 830                     szMax.cy += LineSpacing;
 831                 }
 832
 833                 iLinesVisible++;
 834
 835                 /* Increase maximum rectangle */
 836                 szMax.cy += LineSizes[i].cy;
 837                 if (LineSizes[i].cx > szMax.cx - (2 * TRAY_CLOCK_WND_SPACING_X))
 838                     szMax.cx = LineSizes[i].cx + (2 * TRAY_CLOCK_WND_SPACING_X);
 839             }
 840         }
 841
 842         szMax.cx += 2 * TRAY_CLOCK_WND_SPACING_X;
 843         szMax.cy += 2 * TRAY_CLOCK_WND_SPACING_Y;
 844
 845         *pSize = szMax;
 846
 847         return iLinesVisible;
 848     }
 849
 850
 851     VOID UpdateWnd()
 852     {
 853         SIZE szPrevCurrent;
 854         UINT BufSize, i;
 855         INT iRet;
 856         RECT rcClient;
 857
 858         ZeroMemory(LineSizes, sizeof(LineSizes));
 859
 860         szPrevCurrent = CurrentSize;
 861
 862         for (i = 0; i < CLOCKWND_FORMAT_COUNT; i++)
 863         {
 864             szLines[i][0] = L'\0';
 865             BufSize = _countof(szLines[0]);
 866
 867             if (ClockWndFormats[i].IsTime)
 868             {
 869                 iRet = GetTimeFormat(LOCALE_USER_DEFAULT,
 870                     AdvancedSettings.bShowSeconds ? ClockWndFormats[i].dwFormatFlags : TIME_NOSECONDS,
 871                     &LocalTime,
 872                     ClockWndFormats[i].lpFormat,
 873                     szLines[i],
 874                     BufSize);
 875             }
 876             else
 877             {
 878                 iRet = GetDateFormat(LOCALE_USER_DEFAULT,
 879                     ClockWndFormats[i].dwFormatFlags,
 880                     &LocalTime,
 881                     ClockWndFormats[i].lpFormat,
 882                     szLines[i],
 883                     BufSize);
 884             }
 885
 886             if (iRet != 0 && i == 0)
 887             {
 888                 /* Set the window text to the time only */
 889                 SetWindowText(szLines[i]);
 890             }
 891         }
 892
 893         LinesMeasured = MeasureLines();
 894
 895         if (LinesMeasured &&
 896             GetClientRect(&rcClient))
 897         {
 898             SIZE szWnd;
 899
 900             szWnd.cx = rcClient.right;
 901             szWnd.cy = rcClient.bottom;
 902
 903             VisibleLines = GetMinimumSize(IsHorizontal, &szWnd);
 904             CurrentSize = szWnd;
 905         }
 906
 907         if (IsWindowVisible())
 908         {
 909             InvalidateRect(NULL, TRUE);
 910
 911             if (hWndNotify != NULL &&
 912                 (szPrevCurrent.cx != CurrentSize.cx ||
 913                 szPrevCurrent.cy != CurrentSize.cy))
 914             {
 915                 NMHDR nmh;
 916
 917                 nmh.hwndFrom = m_hWnd;
 918                 nmh.idFrom = GetWindowLongPtr(GWLP_ID);
 919                 nmh.code = NTNWM_REALIGN;
 920
 921                 SendMessage(hWndNotify,
 922                     WM_NOTIFY,
 923                     (WPARAM) nmh.idFrom,
 924                     (LPARAM) &nmh);
 925             }
 926         }
 927     }
 928
 929     VOID Update()
 930     {
 931         GetLocalTime(&LocalTime);
 932         UpdateWnd();
 933     }
 934
 935     UINT CalculateDueTime()
 936     {
 937         UINT uiDueTime;
 938
 939         /* Calculate the due time */
 940         GetLocalTime(&LocalTime);
 941         uiDueTime = 1000 - (UINT) LocalTime.wMilliseconds;
 942         if (AdvancedSettings.bShowSeconds)
 943             uiDueTime += (UINT) LocalTime.wSecond * 100;
 944         else
 945             uiDueTime += (59 - (UINT) LocalTime.wSecond) * 1000;
 946
 947         if (uiDueTime < USER_TIMER_MINIMUM || uiDueTime > USER_TIMER_MAXIMUM)
 948             uiDueTime = 1000;
 949         else
 950         {
 951             /* Add an artificial delay of 0.05 seconds to make sure the timer
 952                doesn't fire too early*/
 953             uiDueTime += 50;
 954         }
 955
 956         return uiDueTime;
 957     }
 958
 959     BOOL ResetTime()
 960     {
 961         UINT uiDueTime;
 962         BOOL Ret;
 963
 964         /* Disable all timers */
 965         if (IsTimerEnabled)
 966         {
 967             KillTimer(ID_TRAYCLOCK_TIMER);
 968             IsTimerEnabled = FALSE;
 969         }
 970
 971         if (IsInitTimerEnabled)
 972         {
 973             KillTimer(ID_TRAYCLOCK_TIMER_INIT);
 974         }
 975
 976         uiDueTime = CalculateDueTime();
 977
 978         /* Set the new timer */
 979         Ret = SetTimer(ID_TRAYCLOCK_TIMER_INIT, uiDueTime, NULL) != 0;
 980         IsInitTimerEnabled = Ret;
 981
 982         /* Update the time */
 983         Update();
 984
 985         return Ret;
 986     }
 987
 988     VOID CalibrateTimer()
 989     {
 990         UINT uiDueTime;
 991         BOOL Ret;
 992         UINT uiWait1, uiWait2;
 993
 994         /* Kill the initialization timer */
 995         KillTimer(ID_TRAYCLOCK_TIMER_INIT);
 996         IsInitTimerEnabled = FALSE;
 997
 998         uiDueTime = CalculateDueTime();
 999
1000         if (AdvancedSettings.bShowSeconds)
1001         {
1002             uiWait1 = 1000 - 200;
1003             uiWait2 = 1000;
1004         }
1005         else
1006         {
1007             uiWait1 = 60 * 1000 - 200;
1008             uiWait2 = 60 * 1000;
1009         }
1010
1011         if (uiDueTime > uiWait1)
1012         {
1013             /* The update of the clock will be up to 200 ms late, but that's
1014                acceptable. We're going to setup a timer that fires depending
1015                uiWait2. */
1016             Ret = SetTimer(ID_TRAYCLOCK_TIMER, uiWait2, NULL) != 0;
1017             IsTimerEnabled = Ret;
1018
1019             /* Update the time */
1020             Update();
1021         }
1022         else
1023         {
1024             /* Recalibrate the timer and recalculate again when the current
1025                minute/second ends. */
1026             ResetTime();
1027         }
1028     }
1029
1030     LRESULT OnDestroy(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
1031     {
1032         /* Disable all timers */
1033         if (IsTimerEnabled)
1034         {
1035             KillTimer(ID_TRAYCLOCK_TIMER);
1036         }
1037
1038         if (IsInitTimerEnabled)
1039         {
1040             KillTimer(ID_TRAYCLOCK_TIMER_INIT);
1041         }
1042
1043         return TRUE;
1044     }
1045
1046     LRESULT OnPaint(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
1047     {
1048         RECT rcClient;
1049         HFONT hPrevFont;
1050         INT iPrevBkMode;
1051         UINT i, line;
1052
1053         PAINTSTRUCT ps;
1054         HDC hDC = (HDC) wParam;
1055
1056         if (wParam == 0)
1057         {
1058             hDC = BeginPaint(&ps);
1059         }
1060
1061         if (hDC == NULL)
1062             return FALSE;
1063
1064         if (LinesMeasured &&
1065             GetClientRect(&rcClient))
1066         {
1067             iPrevBkMode = SetBkMode(hDC, TRANSPARENT);
1068
1069             SetTextColor(hDC, textColor);
1070
1071             hPrevFont = (HFONT) SelectObject(hDC, hFont);
1072
1073             rcClient.left = (rcClient.right / 2) - (CurrentSize.cx / 2);
1074             rcClient.top = (rcClient.bottom / 2) - (CurrentSize.cy / 2);
1075             rcClient.right = rcClient.left + CurrentSize.cx;
1076             rcClient.bottom = rcClient.top + CurrentSize.cy;
1077
1078             for (i = 0, line = 0;
1079                  i < CLOCKWND_FORMAT_COUNT && line < VisibleLines;
1080                  i++)
1081             {
1082                 if (LineSizes[i].cx != 0)
1083                 {
1084                     TextOut(hDC,
1085                         rcClient.left + (CurrentSize.cx / 2) - (LineSizes[i].cx / 2) +
1086                         TRAY_CLOCK_WND_SPACING_X,
1087                         rcClient.top + TRAY_CLOCK_WND_SPACING_Y,
1088                         szLines[i],
1089                         wcslen(szLines[i]));
1090
1091                     rcClient.top += LineSizes[i].cy + LineSpacing;
1092                     line++;
1093                 }
1094             }
1095
1096             SelectObject(hDC, hPrevFont);
1097
1098             SetBkMode(hDC, iPrevBkMode);
1099         }
1100
1101         if (wParam == 0)
1102         {
1103             EndPaint(&ps);
1104         }
1105
1106         return TRUE;
1107     }
1108
1109     VOID SetFont(IN HFONT hNewFont, IN BOOL bRedraw)
1110     {
1111         hFont = hNewFont;
1112         LinesMeasured = MeasureLines();
1113         if (bRedraw)
1114         {
1115             InvalidateRect(NULL, TRUE);
1116         }
1117     }
1118
1119     LRESULT DrawBackground(HDC hdc)
1120     {
1121         RECT rect;
1122
1123         GetClientRect(&rect);
1124         DrawThemeParentBackground(m_hWnd, hdc, &rect);
1125
1126         return TRUE;
1127     }
1128
1129     LRESULT OnEraseBackground(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
1130     {
1131         HDC hdc = (HDC) wParam;
1132
1133         if (!IsAppThemed())
1134         {
1135             bHandled = FALSE;
1136             return 0;
1137         }
1138
1139         return DrawBackground(hdc);
1140     }
1141
1142     LRESULT OnTimer(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
1143     {
1144         switch (wParam)
1145         {
1146         case ID_TRAYCLOCK_TIMER:
1147             Update();
1148             break;
1149
1150         case ID_TRAYCLOCK_TIMER_INIT:
1151             CalibrateTimer();
1152             break;
1153         }
1154         return TRUE;
1155     }
1156
1157     LRESULT OnGetMinimumSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
1158     {
1159         IsHorizontal = (BOOL) wParam;
1160
1161         return (LRESULT) GetMinimumSize((BOOL) wParam, (PSIZE) lParam) != 0;
1162     }
1163
1164     LRESULT OnUpdateTime(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
1165     {
1166         return (LRESULT) ResetTime();
1167     }
1168
1169     LRESULT OnNcHitTest(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
1170     {
1171         return HTTRANSPARENT;
1172     }
1173
1174     LRESULT OnSetFont(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
1175     {
1176         SetFont((HFONT) wParam, (BOOL) LOWORD(lParam));
1177         return TRUE;
1178     }
1179
1180     LRESULT OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
1181     {
1182         ResetTime();
1183         return TRUE;
1184     }
1185
1186     LRESULT OnSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
1187     {
1188         SIZE szClient;
1189
1190         szClient.cx = LOWORD(lParam);
1191         szClient.cy = HIWORD(lParam);
1192
1193         VisibleLines = GetMinimumSize(IsHorizontal, &szClient);
1194         CurrentSize = szClient;
1195
1196         InvalidateRect(NULL, TRUE);
1197         return TRUE;
1198     }
1199
1200     DECLARE_WND_CLASS_EX(szTrayClockWndClass, CS_DBLCLKS, COLOR_3DFACE)
1201
1202     BEGIN_MSG_MAP(CTaskSwitchWnd)
1203         MESSAGE_HANDLER(WM_CREATE, OnCreate)
1204         MESSAGE_HANDLER(WM_DESTROY, OnDestroy)
1205         MESSAGE_HANDLER(WM_ERASEBKGND, OnEraseBackground)
1206         MESSAGE_HANDLER(WM_SIZE, OnSize)
1207         MESSAGE_HANDLER(WM_PAINT, OnPaint)
1208         MESSAGE_HANDLER(WM_PRINTCLIENT, OnPaint)
1209         MESSAGE_HANDLER(WM_TIMER, OnTimer)
1210         MESSAGE_HANDLER(WM_NCHITTEST, OnNcHitTest)
1211         MESSAGE_HANDLER(TCWM_GETMINIMUMSIZE, OnGetMinimumSize)
1212         MESSAGE_HANDLER(TCWM_UPDATETIME, OnUpdateTime)
1213
1214     END_MSG_MAP()
1215
1216     HWND _Init(IN HWND hWndParent, IN BOOL bVisible)
1217     {
1218         IsHorizontal = TRUE;
1219
1220         hWndNotify = hWndParent;
1221
1222         /* Create the window. The tray window is going to move it to the correct
1223             position and resize it as needed. */
1224         DWORD dwStyle = WS_CHILD | WS_CLIPSIBLINGS;
1225         if (bVisible)
1226             dwStyle |= WS_VISIBLE;
1227
1228         Create(hWndParent, 0, NULL, dwStyle);
1229
1230         if (m_hWnd != NULL)
1231         {
1232             SetWindowTheme(m_hWnd, L"TrayNotify", NULL);
1233             OnThemeChanged();
1234         }
1235
1236         return m_hWnd;
1237
1238     }
1239 };
1240
1241 /*
1242  * TrayNotifyWnd
1243  */
1244
1245 static const WCHAR szTrayNotifyWndClass [] = TEXT("TrayNotifyWnd");
1246
1247 #define TRAY_NOTIFY_WND_SPACING_X   2
1248 #define TRAY_NOTIFY_WND_SPACING_Y   2
1249
1250 class CTrayNotifyWnd :
1251     public CComObjectRootEx<CComMultiThreadModelNoCS>,
1252     public CWindowImpl < CTrayNotifyWnd, CWindow, CControlWinTraits >
1253 {
1254     HWND hWndNotify;
1255
1256     CSysPagerWnd * m_pager;
1257     CTrayClockWnd * m_clock;
1258
1259     CComPtr<ITrayWindow> TrayWindow;
1260
1261     HTHEME TrayTheme;
1262     SIZE szTrayClockMin;
1263     SIZE szTrayNotify;
1264     MARGINS ContentMargin;
1265     HFONT hFontClock;
1266     union
1267     {
1268         DWORD dwFlags;
1269         struct
1270         {
1271             DWORD HideClock : 1;
1272             DWORD IsHorizontal : 1;
1273         };
1274     };
1275
1276 public:
1277     CTrayNotifyWnd() :
1278         hWndNotify(NULL),
1279         m_pager(NULL),
1280         m_clock(NULL),
1281         TrayTheme(NULL),
1282         hFontClock(NULL),
1283         dwFlags(0)
1284     {
1285         ZeroMemory(&szTrayClockMin, sizeof(szTrayClockMin));
1286         ZeroMemory(&szTrayNotify, sizeof(szTrayNotify));
1287         ZeroMemory(&ContentMargin, sizeof(ContentMargin));
1288     }
1289     virtual ~CTrayNotifyWnd() { }
1290
1291     LRESULT OnThemeChanged()
1292     {
1293         if (TrayTheme)
1294             CloseThemeData(TrayTheme);
1295
1296         if (IsThemeActive())
1297             TrayTheme = OpenThemeData(m_hWnd, L"TrayNotify");
1298         else
1299             TrayTheme = NULL;
1300
1301         if (TrayTheme)
1302         {
1303             SetWindowExStyle(m_hWnd, WS_EX_STATICEDGE, 0);
1304
1305             GetThemeMargins(TrayTheme,
1306                 NULL,
1307                 TNP_BACKGROUND,
1308                 0,
1309                 TMT_CONTENTMARGINS,
1310                 NULL,
1311                 &ContentMargin);
1312         }
1313         else
1314         {
1315             SetWindowExStyle(m_hWnd, WS_EX_STATICEDGE, WS_EX_STATICEDGE);
1316
1317             ContentMargin.cxLeftWidth = 0;
1318             ContentMargin.cxRightWidth = 0;
1319             ContentMargin.cyTopHeight = 0;
1320             ContentMargin.cyBottomHeight = 0;
1321         }
1322
1323         return TRUE;
1324     }
1325
1326     LRESULT OnThemeChanged(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
1327     {
1328         return OnThemeChanged();
1329     }
1330
1331     LRESULT OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
1332     {
1333         m_clock = new CTrayClockWnd();
1334         m_clock->_Init(m_hWnd, !HideClock);
1335
1336         m_pager = new CSysPagerWnd();
1337         m_pager->_Init(m_hWnd, !HideClock);
1338
1339         OnThemeChanged();
1340
1341         return TRUE;
1342     }
1343
1344     BOOL GetMinimumSize(IN BOOL Horizontal, IN OUT PSIZE pSize)
1345     {
1346         SIZE szClock = { 0, 0 };
1347         SIZE szTray = { 0, 0 };
1348
1349         IsHorizontal = Horizontal;
1350         if (IsHorizontal)
1351             SetWindowTheme(m_hWnd, L"TrayNotifyHoriz", NULL);
1352         else
1353             SetWindowTheme(m_hWnd, L"TrayNotifyVert", NULL);
1354
1355         if (!HideClock)
1356         {
1357             if (Horizontal)
1358             {
1359                 szClock.cy = pSize->cy - 2 * TRAY_NOTIFY_WND_SPACING_Y;
1360                 if (szClock.cy <= 0)
1361                     goto NoClock;
1362             }
1363             else
1364             {
1365                 szClock.cx = pSize->cx - 2 * TRAY_NOTIFY_WND_SPACING_X;
1366                 if (szClock.cx <= 0)
1367                     goto NoClock;
1368             }
1369
1370             m_clock->SendMessage(TCWM_GETMINIMUMSIZE, (WPARAM) Horizontal, (LPARAM) &szClock);
1371
1372             szTrayClockMin = szClock;
1373         }
1374         else
1375         NoClock:
1376         szTrayClockMin = szClock;
1377
1378         if (Horizontal)
1379         {
1380             szTray.cy = pSize->cy - 2 * TRAY_NOTIFY_WND_SPACING_Y;
1381         }
1382         else
1383         {
1384             szTray.cx = pSize->cx - 2 * TRAY_NOTIFY_WND_SPACING_X;
1385         }
1386
1387         m_pager->GetSize(Horizontal, &szTray);
1388
1389         szTrayNotify = szTray;
1390
1391         if (Horizontal)
1392         {
1393             pSize->cx = 2 * TRAY_NOTIFY_WND_SPACING_X;
1394
1395             if (!HideClock)
1396                 pSize->cx += TRAY_NOTIFY_WND_SPACING_X + szTrayClockMin.cx;
1397
1398             pSize->cx += szTray.cx;
1399         }
1400         else
1401         {
1402             pSize->cy = 2 * TRAY_NOTIFY_WND_SPACING_Y;
1403
1404             if (!HideClock)
1405                 pSize->cy += TRAY_NOTIFY_WND_SPACING_Y + szTrayClockMin.cy;
1406
1407             pSize->cy += szTray.cy;
1408         }
1409
1410         pSize->cy += ContentMargin.cyTopHeight + ContentMargin.cyBottomHeight;
1411         pSize->cx += ContentMargin.cxLeftWidth + ContentMargin.cxRightWidth;
1412
1413         return TRUE;
1414     }
1415
1416     VOID Size(IN const SIZE *pszClient)
1417     {
1418         if (!HideClock)
1419         {
1420             POINT ptClock;
1421             SIZE szClock;
1422
1423             if (IsHorizontal)
1424             {
1425                 ptClock.x = pszClient->cx - TRAY_NOTIFY_WND_SPACING_X - szTrayClockMin.cx;
1426                 ptClock.y = TRAY_NOTIFY_WND_SPACING_Y;
1427                 szClock.cx = szTrayClockMin.cx;
1428                 szClock.cy = pszClient->cy - (2 * TRAY_NOTIFY_WND_SPACING_Y);
1429             }
1430             else
1431             {
1432                 ptClock.x = TRAY_NOTIFY_WND_SPACING_X;
1433                 ptClock.y = pszClient->cy - TRAY_NOTIFY_WND_SPACING_Y - szTrayClockMin.cy;
1434                 szClock.cx = pszClient->cx - (2 * TRAY_NOTIFY_WND_SPACING_X);
1435                 szClock.cy = szTrayClockMin.cy;
1436             }
1437
1438             m_clock->SetWindowPos(
1439                 NULL,
1440                 ptClock.x,
1441                 ptClock.y,
1442                 szClock.cx,
1443                 szClock.cy,
1444                 SWP_NOZORDER);
1445
1446             if (IsHorizontal)
1447             {
1448                 ptClock.x -= szTrayNotify.cx;
1449             }
1450             else
1451             {
1452                 ptClock.y -= szTrayNotify.cy;
1453             }
1454
1455             m_pager->SetWindowPos(
1456                 NULL,
1457                 ptClock.x,
1458                 ptClock.y,
1459                 szTrayNotify.cx,
1460                 szTrayNotify.cy,
1461                 SWP_NOZORDER);
1462         }
1463     }
1464
1465     LRESULT DrawBackground(HDC hdc)
1466     {
1467         HRESULT res;
1468         RECT rect;
1469
1470         GetClientRect(&rect);
1471
1472         if (TrayTheme)
1473         {
1474             if (IsThemeBackgroundPartiallyTransparent(TrayTheme, TNP_BACKGROUND, 0))
1475             {
1476                 DrawThemeParentBackground(m_hWnd, hdc, &rect);
1477             }
1478
1479             res = DrawThemeBackground(TrayTheme, hdc, TNP_BACKGROUND, 0, &rect, 0);
1480         }
1481
1482         return res;
1483     }
1484
1485     LRESULT OnEraseBackground(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
1486     {
1487         HDC hdc = (HDC) wParam;
1488
1489         if (!TrayTheme)
1490         {
1491             bHandled = FALSE;
1492             return 0;
1493         }
1494
1495         return DrawBackground(hdc);
1496     }
1497
1498     BOOL NotifyIconCmd(WPARAM wParam, LPARAM lParam)
1499     {
1500         if (m_pager)
1501         {
1502             return m_pager->NotifyIconCmd(wParam, lParam);
1503         }
1504
1505         return TRUE;
1506     }
1507
1508     BOOL GetClockRect(OUT PRECT rcClock)
1509     {
1510         if (!m_clock->IsWindowVisible())
1511             return FALSE;
1512
1513         return m_clock->GetWindowRect(rcClock);
1514     }
1515
1516     LRESULT OnGetMinimumSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
1517     {
1518         return (LRESULT) GetMinimumSize((BOOL) wParam, (PSIZE) lParam);
1519     }
1520
1521     LRESULT OnUpdateTime(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
1522     {
1523         if (m_clock != NULL)
1524         {
1525             /* Forward the message to the tray clock window procedure */
1526             return m_clock->OnUpdateTime(uMsg, wParam, lParam, bHandled);
1527         }
1528         return FALSE;
1529     }
1530
1531     LRESULT OnSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
1532     {
1533         SIZE szClient;
1534
1535         szClient.cx = LOWORD(lParam);
1536         szClient.cy = HIWORD(lParam);
1537
1538         Size(&szClient);
1539
1540         return TRUE;
1541     }
1542
1543     LRESULT OnNcHitTest(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
1544     {
1545         return HTTRANSPARENT;
1546     }
1547
1548     LRESULT OnShowClock(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
1549     {
1550         BOOL PrevHidden = HideClock;
1551         HideClock = (wParam == 0);
1552
1553         if (m_clock != NULL && PrevHidden != HideClock)
1554         {
1555             m_clock->ShowWindow(HideClock ? SW_HIDE : SW_SHOW);
1556         }
1557
1558         return (LRESULT) (!PrevHidden);
1559     }
1560
1561     LRESULT OnNotify(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
1562     {
1563         const NMHDR *nmh = (const NMHDR *) lParam;
1564
1565         if (nmh->hwndFrom == m_clock->m_hWnd)
1566         {
1567             /* Pass down notifications */
1568             return m_clock->SendMessage(WM_NOTIFY, wParam, lParam);
1569         }
1570
1571         return FALSE;
1572     }
1573
1574     LRESULT OnSetFont(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
1575     {
1576         if (m_clock != NULL)
1577         {
1578             m_clock->SendMessageW(WM_SETFONT, wParam, lParam);
1579         }
1580
1581         bHandled = FALSE;
1582         return FALSE;
1583     }
1584
1585     LRESULT OnCtxMenu(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
1586     {
1587         bHandled = TRUE;
1588         return 0;
1589     }
1590
1591     DECLARE_WND_CLASS_EX(szTrayNotifyWndClass, CS_DBLCLKS, COLOR_3DFACE)
1592
1593     BEGIN_MSG_MAP(CTaskSwitchWnd)
1594         MESSAGE_HANDLER(WM_CREATE, OnCreate)
1595         MESSAGE_HANDLER(WM_THEMECHANGED, OnThemeChanged)
1596         MESSAGE_HANDLER(WM_ERASEBKGND, OnEraseBackground)
1597         MESSAGE_HANDLER(WM_SIZE, OnSize)
1598         MESSAGE_HANDLER(WM_NCHITTEST, OnNcHitTest)
1599         MESSAGE_HANDLER(WM_NOTIFY, OnNotify)
1600         MESSAGE_HANDLER(WM_SETFONT, OnSetFont)
1601         MESSAGE_HANDLER(WM_CONTEXTMENU, OnCtxMenu) // FIXME: This handler is not necessary in Windows
1602         MESSAGE_HANDLER(TNWM_GETMINIMUMSIZE, OnGetMinimumSize)
1603         MESSAGE_HANDLER(TNWM_UPDATETIME, OnUpdateTime)
1604         MESSAGE_HANDLER(TNWM_SHOWCLOCK, OnShowClock)
1605     END_MSG_MAP()
1606
1607     HWND _Init(IN OUT ITrayWindow *TrayWindow, IN BOOL bHideClock)
1608     {
1609         HWND hWndTrayWindow;
1610
1611         hWndTrayWindow = TrayWindow->GetHWND();
1612         if (hWndTrayWindow == NULL)
1613             return NULL;
1614
1615         this->TrayWindow = TrayWindow;
1616         this->HideClock = bHideClock;
1617         this->hWndNotify = hWndTrayWindow;
1618
1619         DWORD dwStyle = WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
1620         return Create(hWndTrayWindow, 0, NULL, dwStyle, WS_EX_STATICEDGE);
1621     }
1622 };
1623
1624 HWND CreateTrayNotifyWnd(IN OUT ITrayWindow *Tray, BOOL bHideClock, CTrayNotifyWnd** ppinstance)
1625 {
1626     CTrayNotifyWnd * pTrayNotify = new CTrayNotifyWnd();
1627     // TODO: Destroy after the window is destroyed
1628     *ppinstance = pTrayNotify;
1629
1630     return pTrayNotify->_Init(Tray, bHideClock);
1631 }
1632
1633 BOOL
1634 TrayNotify_NotifyIconCmd(CTrayNotifyWnd* pTrayNotify, WPARAM wParam, LPARAM lParam)
1635 {
1636     return pTrayNotify->NotifyIconCmd(wParam, lParam);
1637 }
1638
1639 BOOL
1640 TrayNotify_GetClockRect(CTrayNotifyWnd* pTrayNotify, OUT PRECT rcClock)
1641 {
1642     return pTrayNotify->GetClockRect(rcClock);
1643 }