src/TortoiseIDiff/MainWindow.cpp

   1 // TortoiseIDiff - an image diff viewer in TortoiseSVN\r
   2 \r
   3 // Copyright (C) 2006 - 2009 - TortoiseSVN\r
   4 \r
   5 // This program is free software; you can redistribute it and/or\r
   6 // modify it under the terms of the GNU General Public License\r
   7 // as published by the Free Software Foundation; either version 2\r
   8 // of the License, or (at your option) any later version.\r
   9 \r
  10 // This program is distributed in the hope that it will be useful,\r
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  13 // GNU General Public License for more details.\r
  14 \r
  15 // You should have received a copy of the GNU General Public License\r
  16 // along with this program; if not, write to the Free Software Foundation,\r
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.\r
  18 //\r
  19 #include "StdAfx.h"\r
  20 #include "commctrl.h"\r
  21 #include "Commdlg.h"\r
  22 #include "TortoiseIDiff.h"\r
  23 #include "MainWindow.h"\r
  24 #include "AboutDlg.h"\r
  25 \r
  26 #pragma comment(lib, "comctl32.lib")\r
  27 \r
  28 tstring CMainWindow::leftpicpath;\r
  29 tstring CMainWindow::leftpictitle;\r
  30 \r
  31 tstring CMainWindow::rightpicpath;\r
  32 tstring CMainWindow::rightpictitle;\r
  33 \r
  34 bool CMainWindow::RegisterAndCreateWindow()\r
  35 {\r
  36         WNDCLASSEX wcx; \r
  37 \r
  38         // Fill in the window class structure with default parameters \r
  39         wcx.cbSize = sizeof(WNDCLASSEX);\r
  40         wcx.style = CS_HREDRAW | CS_VREDRAW;\r
  41         wcx.lpfnWndProc = CWindow::stWinMsgHandler;\r
  42         wcx.cbClsExtra = 0;\r
  43         wcx.cbWndExtra = 0;\r
  44         wcx.hInstance = hResource;\r
  45         wcx.hCursor = LoadCursor(NULL, IDC_SIZEWE);\r
  46         wcx.lpszClassName = ResString(hResource, IDS_APP_TITLE);\r
  47         wcx.hIcon = LoadIcon(hResource, MAKEINTRESOURCE(IDI_TORTOISEIDIFF));\r
  48         wcx.hbrBackground = (HBRUSH)(COLOR_3DFACE+1);\r
  49         wcx.lpszMenuName = MAKEINTRESOURCE(IDC_TORTOISEIDIFF);\r
  50         wcx.hIconSm     = LoadIcon(wcx.hInstance, MAKEINTRESOURCE(IDI_TORTOISEIDIFF));\r
  51         if (RegisterWindow(&wcx))\r
  52         {\r
  53                 if (Create(WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN | WS_VISIBLE, NULL))\r
  54                 {\r
  55                         ShowWindow(m_hwnd, SW_SHOW);\r
  56                         UpdateWindow(m_hwnd);\r
  57                         return true;\r
  58                 }\r
  59         }\r
  60         return false;\r
  61 }\r
  62 \r
  63 void CMainWindow::PositionChildren(RECT * clientrect /* = NULL */)\r
  64 {\r
  65         RECT tbRect;\r
  66         if (clientrect == NULL)\r
  67                 return;\r
  68         SendMessage(hwndTB, TB_AUTOSIZE, 0, 0);\r
  69         GetWindowRect(hwndTB, &tbRect);\r
  70         LONG tbHeight = tbRect.bottom-tbRect.top-1;\r
  71         HDWP hdwp = BeginDeferWindowPos(2);\r
  72         if (bOverlap)\r
  73         {\r
  74                 SetWindowPos(picWindow1, NULL, clientrect->left, clientrect->top+tbHeight, clientrect->right-clientrect->left, clientrect->bottom-clientrect->top-tbHeight, SWP_SHOWWINDOW);\r
  75         }\r
  76         else\r
  77         {\r
  78                 if (bVertical)\r
  79                 {\r
  80                         RECT child;\r
  81                         child.left = clientrect->left;\r
  82                         child.top = clientrect->top+tbHeight;\r
  83                         child.right = clientrect->right;\r
  84                         child.bottom = nSplitterPos-(SPLITTER_BORDER/2);\r
  85                         if (hdwp) hdwp = DeferWindowPos(hdwp, picWindow1, NULL, child.left, child.top, child.right-child.left, child.bottom-child.top, SWP_FRAMECHANGED|SWP_SHOWWINDOW);\r
  86                         child.top = nSplitterPos+(SPLITTER_BORDER/2);\r
  87                         child.bottom = clientrect->bottom;\r
  88                         if (hdwp) hdwp = DeferWindowPos(hdwp, picWindow2, NULL, child.left, child.top, child.right-child.left, child.bottom-child.top, SWP_FRAMECHANGED|SWP_SHOWWINDOW);\r
  89                 }\r
  90                 else\r
  91                 {\r
  92                         RECT child;\r
  93                         child.left = clientrect->left;\r
  94                         child.top = clientrect->top+tbHeight;\r
  95                         child.right = nSplitterPos-(SPLITTER_BORDER/2);\r
  96                         child.bottom = clientrect->bottom;\r
  97                         if (hdwp) hdwp = DeferWindowPos(hdwp, picWindow1, NULL, child.left, child.top, child.right-child.left, child.bottom-child.top, SWP_FRAMECHANGED|SWP_SHOWWINDOW);\r
  98                         child.left = nSplitterPos+(SPLITTER_BORDER/2);\r
  99                         child.right = clientrect->right;\r
 100                         if (hdwp) hdwp = DeferWindowPos(hdwp, picWindow2, NULL, child.left, child.top, child.right-child.left, child.bottom-child.top, SWP_FRAMECHANGED|SWP_SHOWWINDOW);\r
 101                 }\r
 102         }\r
 103         if (hdwp) EndDeferWindowPos(hdwp);\r
 104         picWindow1.SetTransparentColor(transparentColor);\r
 105         picWindow2.SetTransparentColor(transparentColor);\r
 106         InvalidateRect(*this, NULL, FALSE);\r
 107 }\r
 108 \r
 109 LRESULT CALLBACK CMainWindow::WinMsgHandler(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)\r
 110 {\r
 111         switch (uMsg)\r
 112         {\r
 113         case WM_CREATE:\r
 114                 {\r
 115                         m_hwnd = hwnd;\r
 116                         picWindow1.RegisterAndCreateWindow(hwnd);\r
 117                         picWindow1.SetPic(leftpicpath, leftpictitle, true);\r
 118                         picWindow2.RegisterAndCreateWindow(hwnd);\r
 119                         picWindow2.SetPic(rightpicpath, rightpictitle, false);\r
 120 \r
 121                         picWindow1.SetOtherPicWindow(&picWindow2);\r
 122                         picWindow2.SetOtherPicWindow(&picWindow1);\r
 123                         // center the splitter\r
 124                         RECT rect;\r
 125                         GetClientRect(hwnd, &rect);\r
 126                         nSplitterPos = (rect.right-rect.left-SPLITTER_BORDER)/2;\r
 127                         CreateToolbar();\r
 128                         PositionChildren(&rect);\r
 129                         picWindow1.FitImageInWindow();\r
 130                         picWindow2.FitImageInWindow();\r
 131                 }\r
 132                 break;\r
 133         case WM_COMMAND:\r
 134                 {\r
 135                         return DoCommand(LOWORD(wParam));\r
 136                 }\r
 137                 break;\r
 138         case WM_PAINT:\r
 139                 {\r
 140                         PAINTSTRUCT ps;\r
 141                         HDC hdc;\r
 142                         RECT rect;\r
 143 \r
 144                         ::GetClientRect(*this, &rect);\r
 145                         hdc = BeginPaint(hwnd, &ps);\r
 146                         SetBkColor(hdc, GetSysColor(COLOR_3DFACE));\r
 147                         ::ExtTextOut(hdc, 0, 0, ETO_OPAQUE, &rect, NULL, 0, NULL);\r
 148                         EndPaint(hwnd, &ps);\r
 149                 }\r
 150                 break;\r
 151     case WM_GETMINMAXINFO:\r
 152                 {\r
 153                         MINMAXINFO * mmi = (MINMAXINFO*)lParam;\r
 154                         mmi->ptMinTrackSize.x = WINDOW_MINWIDTH;\r
 155                         mmi->ptMinTrackSize.y = WINDOW_MINHEIGHT;\r
 156                         return 0;\r
 157                 }\r
 158                 break;\r
 159         case WM_SIZE:\r
 160                 {\r
 161                         RECT rect;\r
 162                         GetClientRect(hwnd, &rect);\r
 163                         if (bVertical)\r
 164                         {\r
 165                                 RECT tbRect;\r
 166                                 GetWindowRect(hwndTB, &tbRect);\r
 167                                 LONG tbHeight = tbRect.bottom-tbRect.top-1;\r
 168                                 nSplitterPos = (rect.bottom-rect.top-SPLITTER_BORDER+tbHeight)/2;\r
 169                         }\r
 170                         else\r
 171                                 nSplitterPos = (rect.right-rect.left-SPLITTER_BORDER)/2;\r
 172                         PositionChildren(&rect);\r
 173                 }\r
 174                 break;\r
 175         case WM_SETCURSOR:\r
 176                 {\r
 177                         if ((HWND)wParam == *this)\r
 178                         {\r
 179                                 RECT rect;\r
 180                                 POINT pt;\r
 181                                 GetClientRect(*this, &rect);\r
 182                                 GetCursorPos(&pt);\r
 183                                 ScreenToClient(*this, &pt);\r
 184                                 if (PtInRect(&rect, pt))\r
 185                                 {\r
 186                                         if (bVertical)\r
 187                                         {\r
 188                                                 HCURSOR hCur = LoadCursor(NULL, MAKEINTRESOURCE(IDC_SIZENS));\r
 189                                                 SetCursor(hCur);\r
 190                                         }\r
 191                                         else\r
 192                                         {\r
 193                                                 HCURSOR hCur = LoadCursor(NULL, MAKEINTRESOURCE(IDC_SIZEWE));\r
 194                                                 SetCursor(hCur);\r
 195                                         }\r
 196                                         return TRUE;\r
 197                                 }\r
 198                         }\r
 199                         return DefWindowProc(hwnd, uMsg, wParam, lParam);\r
 200                 }\r
 201                 break;\r
 202         case WM_LBUTTONDOWN:\r
 203                 Splitter_OnLButtonDown(hwnd, uMsg, wParam, lParam);\r
 204                 break;\r
 205         case WM_LBUTTONUP:\r
 206                 Splitter_OnLButtonUp(hwnd, uMsg, wParam, lParam);\r
 207                 break;\r
 208         case WM_MOUSEMOVE:\r
 209                 Splitter_OnMouseMove(hwnd, uMsg, wParam, lParam);\r
 210                 break;\r
 211         case WM_MOUSEWHEEL:\r
 212                 {\r
 213                         // find out if the mouse cursor is over one of the views, and if\r
 214                         // it is, pass the mouse wheel message to that view\r
 215                         POINT pt;\r
 216                         DWORD ptW = GetMessagePos();\r
 217                         pt.x = GET_X_LPARAM(ptW);\r
 218                         pt.y = GET_Y_LPARAM(ptW);\r
 219                         RECT rect;\r
 220                         GetWindowRect(picWindow1, &rect);\r
 221                         if (PtInRect(&rect, pt))\r
 222                         {\r
 223                                 picWindow1.OnMouseWheel(GET_KEYSTATE_WPARAM(wParam), GET_WHEEL_DELTA_WPARAM(wParam));\r
 224                         }\r
 225                         else\r
 226                         {\r
 227                                 GetWindowRect(picWindow2, &rect);\r
 228                                 if (PtInRect(&rect, pt))\r
 229                                 {\r
 230                                         picWindow2.OnMouseWheel(GET_KEYSTATE_WPARAM(wParam), GET_WHEEL_DELTA_WPARAM(wParam));\r
 231                                 }\r
 232                         }\r
 233                 }\r
 234                 break;\r
 235         case WM_MOUSEHWHEEL:\r
 236                 {\r
 237                         // find out if the mouse cursor is over one of the views, and if\r
 238                         // it is, pass the mouse wheel message to that view\r
 239                         POINT pt;\r
 240                         DWORD ptW = GetMessagePos();\r
 241                         pt.x = GET_X_LPARAM(ptW);\r
 242                         pt.y = GET_Y_LPARAM(ptW);\r
 243                         RECT rect;\r
 244                         GetWindowRect(picWindow1, &rect);\r
 245                         if (PtInRect(&rect, pt))\r
 246                         {\r
 247                                 picWindow1.OnMouseWheel(GET_KEYSTATE_WPARAM(wParam)|MK_SHIFT, GET_WHEEL_DELTA_WPARAM(wParam));\r
 248                         }\r
 249                         else\r
 250                         {\r
 251                                 GetWindowRect(picWindow2, &rect);\r
 252                                 if (PtInRect(&rect, pt))\r
 253                                 {\r
 254                                         picWindow2.OnMouseWheel(GET_KEYSTATE_WPARAM(wParam)|MK_SHIFT, GET_WHEEL_DELTA_WPARAM(wParam));\r
 255                                 }\r
 256                         }\r
 257                 }\r
 258                 break;\r
 259         case WM_NOTIFY:\r
 260                 {\r
 261                         LPNMHDR pNMHDR = (LPNMHDR)lParam;\r
 262                         if (pNMHDR->code == TTN_GETDISPINFO)\r
 263                         {\r
 264                                 LPTOOLTIPTEXT lpttt; \r
 265 \r
 266                                 lpttt = (LPTOOLTIPTEXT) lParam; \r
 267                                 lpttt->hinst = hResource; \r
 268 \r
 269                                 // Specify the resource identifier of the descriptive \r
 270                                 // text for the given button. \r
 271                                 TCHAR stringbuf[MAX_PATH] = {0};\r
 272                                 MENUITEMINFO mii;\r
 273                                 mii.cbSize = sizeof(MENUITEMINFO);\r
 274                                 mii.fMask = MIIM_TYPE;\r
 275                                 mii.dwTypeData = stringbuf;\r
 276                                 mii.cch = sizeof(stringbuf)/sizeof(TCHAR);\r
 277                                 GetMenuItemInfo(GetMenu(*this), (UINT)lpttt->hdr.idFrom, FALSE, &mii);\r
 278                                 lpttt->lpszText = stringbuf;\r
 279                         }\r
 280                 }\r
 281                 break;\r
 282         case WM_DESTROY:\r
 283                 bWindowClosed = TRUE;\r
 284                 PostQuitMessage(0);\r
 285                 break;\r
 286         case WM_CLOSE:\r
 287                 ImageList_Destroy(hToolbarImgList);\r
 288                 ::DestroyWindow(m_hwnd);\r
 289                 break;\r
 290         default:\r
 291                 return DefWindowProc(hwnd, uMsg, wParam, lParam);\r
 292         }\r
 293 \r
 294         return 0;\r
 295 };\r
 296 \r
 297 LRESULT CMainWindow::DoCommand(int id)\r
 298 {\r
 299         switch (id) \r
 300         {\r
 301         case ID_FILE_OPEN:\r
 302                 {\r
 303                         if (OpenDialog())\r
 304                         {\r
 305                                 picWindow1.SetPic(leftpicpath, _T(""), true);\r
 306                                 picWindow2.SetPic(rightpicpath, _T(""), false);\r
 307                                 if (bOverlap)\r
 308                                 {\r
 309                                         picWindow1.SetSecondPic(picWindow2.GetPic(), rightpictitle, rightpicpath);\r
 310                                 }\r
 311                                 else\r
 312                                 {\r
 313                                         picWindow1.SetSecondPic();\r
 314                                 }\r
 315                                 RECT rect;\r
 316                                 GetClientRect(*this, &rect);\r
 317                                 PositionChildren(&rect);\r
 318                                 picWindow1.FitImageInWindow();\r
 319                                 picWindow2.FitImageInWindow();\r
 320                         }\r
 321                 }\r
 322                 break;\r
 323         case ID_VIEW_IMAGEINFO:\r
 324                 {\r
 325                         bShowInfo = !bShowInfo;\r
 326                         HMENU hMenu = GetMenu(*this);\r
 327                         UINT uCheck = MF_BYCOMMAND;\r
 328                         uCheck |= bShowInfo ? MF_CHECKED : MF_UNCHECKED;\r
 329                         CheckMenuItem(hMenu, ID_VIEW_IMAGEINFO, uCheck);\r
 330 \r
 331                         picWindow1.ShowInfo(bShowInfo);\r
 332                         picWindow2.ShowInfo(bShowInfo);\r
 333 \r
 334                         // change the state of the toolbar button\r
 335                         TBBUTTONINFO tbi;\r
 336                         tbi.cbSize = sizeof(TBBUTTONINFO);\r
 337                         tbi.dwMask = TBIF_STATE;\r
 338                         tbi.fsState = bShowInfo ? TBSTATE_CHECKED | TBSTATE_ENABLED : TBSTATE_ENABLED;\r
 339                         SendMessage(hwndTB, TB_SETBUTTONINFO, ID_VIEW_IMAGEINFO, (LPARAM)&tbi);\r
 340                 }\r
 341                 break;\r
 342         case ID_VIEW_OVERLAPIMAGES:\r
 343                 {\r
 344                         bOverlap = !bOverlap;\r
 345                         HMENU hMenu = GetMenu(*this);\r
 346                         UINT uCheck = MF_BYCOMMAND;\r
 347                         uCheck |= bOverlap ? MF_CHECKED : MF_UNCHECKED;\r
 348                         CheckMenuItem(hMenu, ID_VIEW_OVERLAPIMAGES, uCheck);\r
 349                         uCheck |= (m_BlendType == CPicWindow::BLEND_ALPHA) ? MF_CHECKED : MF_UNCHECKED;\r
 350                         CheckMenuItem(hMenu, ID_VIEW_BLENDALPHA, uCheck);\r
 351 \r
 352                         // change the state of the toolbar button\r
 353                         TBBUTTONINFO tbi;\r
 354                         tbi.cbSize = sizeof(TBBUTTONINFO);\r
 355                         tbi.dwMask = TBIF_STATE;\r
 356                         tbi.fsState = bOverlap ? TBSTATE_CHECKED | TBSTATE_ENABLED : TBSTATE_ENABLED;\r
 357                         SendMessage(hwndTB, TB_SETBUTTONINFO, ID_VIEW_OVERLAPIMAGES, (LPARAM)&tbi);\r
 358 \r
 359                         tbi.fsState = (m_BlendType == CPicWindow::BLEND_ALPHA) ? TBSTATE_CHECKED : 0;\r
 360                         if (bOverlap)\r
 361                                 tbi.fsState |= TBSTATE_ENABLED;\r
 362                         else\r
 363                                 tbi.fsState = 0;\r
 364                         SendMessage(hwndTB, TB_SETBUTTONINFO, ID_VIEW_BLENDALPHA, (LPARAM)&tbi);\r
 365 \r
 366                         if (bOverlap)\r
 367                                 tbi.fsState = 0;\r
 368                         else\r
 369                                 tbi.fsState = bVertical ? TBSTATE_ENABLED | TBSTATE_CHECKED : TBSTATE_ENABLED;\r
 370                         SendMessage(hwndTB, TB_SETBUTTONINFO, ID_VIEW_ARRANGEVERTICAL, (LPARAM)&tbi);\r
 371 \r
 372                         ShowWindow(picWindow2, bOverlap ? SW_HIDE : SW_SHOW);\r
 373 \r
 374                         if (bOverlap)\r
 375                         {\r
 376                                 picWindow1.StopTimer();\r
 377                                 picWindow2.StopTimer();\r
 378                                 picWindow1.SetSecondPic(picWindow2.GetPic(), rightpictitle, rightpicpath, \r
 379                                         picWindow2.GetHPos(), picWindow2.GetVPos());\r
 380                                 picWindow1.SetBlendAlpha(m_BlendType, 0.5f);\r
 381                         }\r
 382                         else\r
 383                         {\r
 384                                 picWindow1.SetSecondPic();\r
 385                         }\r
 386 \r
 387 \r
 388                         RECT rect;\r
 389                         GetClientRect(*this, &rect);\r
 390                         PositionChildren(&rect);\r
 391 \r
 392                         if ((bFitSizes)&&(bOverlap))\r
 393                         {\r
 394                                 picWindow1.FitSizes(bFitSizes);\r
 395                         }\r
 396             return 0;\r
 397                 }\r
 398                 break;\r
 399         case ID_VIEW_BLENDALPHA:\r
 400                 {\r
 401                         if (m_BlendType == CPicWindow::BLEND_ALPHA)\r
 402                                 m_BlendType = CPicWindow::BLEND_XOR;\r
 403                         else\r
 404                                 m_BlendType = CPicWindow::BLEND_ALPHA;\r
 405 \r
 406                         HMENU hMenu = GetMenu(*this);\r
 407                         UINT uCheck = MF_BYCOMMAND;\r
 408                         uCheck |= (m_BlendType == CPicWindow::BLEND_ALPHA) ? MF_CHECKED : MF_UNCHECKED;\r
 409                         CheckMenuItem(hMenu, ID_VIEW_BLENDALPHA, uCheck);\r
 410 \r
 411                         // change the state of the toolbar button\r
 412                         TBBUTTONINFO tbi;\r
 413                         tbi.cbSize = sizeof(TBBUTTONINFO);\r
 414                         tbi.dwMask = TBIF_STATE;\r
 415                         tbi.fsState = (m_BlendType == CPicWindow::BLEND_ALPHA) ? TBSTATE_CHECKED | TBSTATE_ENABLED : TBSTATE_ENABLED;\r
 416                         SendMessage(hwndTB, TB_SETBUTTONINFO, ID_VIEW_BLENDALPHA, (LPARAM)&tbi);\r
 417                         picWindow1.SetBlendAlpha(m_BlendType, picWindow1.GetBlendAlpha());\r
 418                         PositionChildren();\r
 419                 }\r
 420                 break;\r
 421         case ID_VIEW_TRANSPARENTCOLOR:\r
 422                 {\r
 423                         static COLORREF customColors[16] = {0};\r
 424                         CHOOSECOLOR ccDlg;\r
 425                         memset(&ccDlg, 0, sizeof(ccDlg));\r
 426                         ccDlg.lStructSize = sizeof(ccDlg);\r
 427                         ccDlg.hwndOwner = m_hwnd;\r
 428                         ccDlg.rgbResult = transparentColor;\r
 429                         ccDlg.lpCustColors = customColors;\r
 430                         ccDlg.Flags = CC_RGBINIT | CC_FULLOPEN;\r
 431                         if(ChooseColor(&ccDlg))\r
 432                         {\r
 433                                 transparentColor = ccDlg.rgbResult;\r
 434                                 picWindow1.SetTransparentColor(transparentColor);\r
 435                                 picWindow2.SetTransparentColor(transparentColor);\r
 436                                 // The color picker takes the focus and we don't get it back.\r
 437                                 ::SetFocus(picWindow1);\r
 438                         }\r
 439                 }\r
 440                 break;\r
 441         case ID_VIEW_FITTOGETHER:\r
 442                 {\r
 443                         bFitSizes = !bFitSizes;\r
 444                         picWindow1.FitSizes(bFitSizes);\r
 445                         picWindow2.FitSizes(bFitSizes);\r
 446 \r
 447                         HMENU hMenu = GetMenu(*this);\r
 448                         UINT uCheck = MF_BYCOMMAND;\r
 449                         uCheck |= bFitSizes ? MF_CHECKED : MF_UNCHECKED;\r
 450                         CheckMenuItem(hMenu, ID_VIEW_FITTOGETHER, uCheck);\r
 451 \r
 452                         // change the state of the toolbar button\r
 453                         TBBUTTONINFO tbi;\r
 454                         tbi.cbSize = sizeof(TBBUTTONINFO);\r
 455                         tbi.dwMask = TBIF_STATE;\r
 456                         tbi.fsState = bFitSizes ? TBSTATE_CHECKED | TBSTATE_ENABLED : TBSTATE_ENABLED;\r
 457                         SendMessage(hwndTB, TB_SETBUTTONINFO, ID_VIEW_FITTOGETHER, (LPARAM)&tbi);\r
 458                 }\r
 459                 break;\r
 460         case ID_VIEW_LINKIMAGESTOGETHER:\r
 461                 {\r
 462                         bLinkedPositions = !bLinkedPositions;\r
 463                         picWindow1.LinkPositions(bLinkedPositions);\r
 464                         picWindow2.LinkPositions(bLinkedPositions);\r
 465 \r
 466                         HMENU hMenu = GetMenu(*this);\r
 467                         UINT uCheck = MF_BYCOMMAND;\r
 468                         uCheck |= bLinkedPositions ? MF_CHECKED : MF_UNCHECKED;\r
 469                         CheckMenuItem(hMenu, ID_VIEW_LINKIMAGESTOGETHER, uCheck);\r
 470 \r
 471                         // change the state of the toolbar button\r
 472                         TBBUTTONINFO tbi;\r
 473                         tbi.cbSize = sizeof(TBBUTTONINFO);\r
 474                         tbi.dwMask = TBIF_STATE;\r
 475                         tbi.fsState = bLinkedPositions ? TBSTATE_CHECKED | TBSTATE_ENABLED : TBSTATE_ENABLED;\r
 476                         SendMessage(hwndTB, TB_SETBUTTONINFO, ID_VIEW_LINKIMAGESTOGETHER, (LPARAM)&tbi);\r
 477                 }\r
 478                 break;\r
 479         case ID_VIEW_ALPHA0:\r
 480                 picWindow1.SetBlendAlpha(m_BlendType, 0.0f);\r
 481                 break;\r
 482         case ID_VIEW_ALPHA255:\r
 483                 picWindow1.SetBlendAlpha(m_BlendType, 1.0f);\r
 484                 break;\r
 485         case ID_VIEW_ALPHA127:\r
 486                 picWindow1.SetBlendAlpha(m_BlendType, 0.5f);\r
 487                 break;\r
 488         case ID_VIEW_ALPHATOGGLE:\r
 489                 picWindow1.ToggleAlpha();\r
 490                 break;\r
 491         case ID_VIEW_FITIMAGESINWINDOW:\r
 492                 {\r
 493                         picWindow1.FitImageInWindow();\r
 494                         picWindow2.FitImageInWindow();\r
 495                 }\r
 496                 break;\r
 497         case ID_VIEW_ORININALSIZE:\r
 498                 {\r
 499                         picWindow1.SetZoom(1.0, false);\r
 500                         picWindow2.SetZoom(1.0, false);\r
 501                 }\r
 502                 break;\r
 503         case ID_VIEW_ZOOMIN:\r
 504                 {\r
 505                         picWindow1.Zoom(true, false);\r
 506                         if (!bFitSizes)\r
 507                                 picWindow2.Zoom(true, false);\r
 508                 }\r
 509                 break;\r
 510         case ID_VIEW_ZOOMOUT:\r
 511                 {\r
 512                         picWindow1.Zoom(false, false);\r
 513                         if (!bFitSizes)\r
 514                                 picWindow2.Zoom(false, false);\r
 515                 }\r
 516                 break;\r
 517         case ID_VIEW_ARRANGEVERTICAL:\r
 518                 {\r
 519                         bVertical = !bVertical;\r
 520                         RECT rect;\r
 521                         GetClientRect(*this, &rect);\r
 522                         if (bVertical)\r
 523                         {\r
 524                                 RECT tbRect;\r
 525                                 GetWindowRect(hwndTB, &tbRect);\r
 526                                 LONG tbHeight = tbRect.bottom-tbRect.top-1;\r
 527                                 nSplitterPos = (rect.bottom-rect.top-SPLITTER_BORDER+tbHeight)/2;\r
 528                         }\r
 529                         else\r
 530                         {\r
 531                                 nSplitterPos = (rect.right-rect.left-SPLITTER_BORDER)/2;\r
 532                         }\r
 533                         HMENU hMenu = GetMenu(*this);\r
 534                         UINT uCheck = MF_BYCOMMAND;\r
 535                         uCheck |= bVertical ? MF_CHECKED : MF_UNCHECKED;\r
 536                         CheckMenuItem(hMenu, ID_VIEW_ARRANGEVERTICAL, uCheck);\r
 537                         // change the state of the toolbar button\r
 538                         TBBUTTONINFO tbi;\r
 539                         tbi.cbSize = sizeof(TBBUTTONINFO);\r
 540                         tbi.dwMask = TBIF_STATE;\r
 541                         tbi.fsState = bVertical ? TBSTATE_CHECKED | TBSTATE_ENABLED : TBSTATE_ENABLED;\r
 542                         SendMessage(hwndTB, TB_SETBUTTONINFO, ID_VIEW_ARRANGEVERTICAL, (LPARAM)&tbi);\r
 543 \r
 544                         PositionChildren(&rect);\r
 545                 }\r
 546                 break;\r
 547         case ID_ABOUT:\r
 548                 {\r
 549                         CAboutDlg dlg(*this);\r
 550                         dlg.DoModal(hInst, IDD_ABOUT, *this);\r
 551                 }\r
 552                 break;\r
 553         case IDM_EXIT:\r
 554                 ::PostQuitMessage(0);\r
 555                 return 0;\r
 556                 break;\r
 557         default:\r
 558                 break;\r
 559         };\r
 560         return 1;\r
 561 }\r
 562 \r
 563 // splitter stuff\r
 564 void CMainWindow::DrawXorBar(HDC hdc, int x1, int y1, int width, int height)\r
 565 {\r
 566         static WORD _dotPatternBmp[8] = \r
 567         { \r
 568                 0x0055, 0x00aa, 0x0055, 0x00aa, \r
 569                 0x0055, 0x00aa, 0x0055, 0x00aa\r
 570         };\r
 571 \r
 572         HBITMAP hbm;\r
 573         HBRUSH  hbr, hbrushOld;\r
 574 \r
 575         hbm = CreateBitmap(8, 8, 1, 1, _dotPatternBmp);\r
 576         hbr = CreatePatternBrush(hbm);\r
 577 \r
 578         SetBrushOrgEx(hdc, x1, y1, 0);\r
 579         hbrushOld = (HBRUSH)SelectObject(hdc, hbr);\r
 580 \r
 581         PatBlt(hdc, x1, y1, width, height, PATINVERT);\r
 582 \r
 583         SelectObject(hdc, hbrushOld);\r
 584 \r
 585         DeleteObject(hbr);\r
 586         DeleteObject(hbm);\r
 587 }\r
 588 \r
 589 LRESULT CMainWindow::Splitter_OnLButtonDown(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam)\r
 590 {\r
 591         POINT pt;\r
 592         HDC hdc;\r
 593         RECT rect;\r
 594         RECT clientrect;\r
 595 \r
 596         pt.x = (short)LOWORD(lParam);  // horizontal position of cursor \r
 597         pt.y = (short)HIWORD(lParam);\r
 598 \r
 599         GetClientRect(hwnd, &clientrect);\r
 600         GetWindowRect(hwnd, &rect);\r
 601         POINT zero = {0,0};\r
 602         ClientToScreen(hwnd, &zero);\r
 603         OffsetRect(&clientrect, zero.x-rect.left, zero.y-rect.top);\r
 604 \r
 605         //convert the mouse coordinates relative to the top-left of\r
 606         //the window\r
 607         ClientToScreen(hwnd, &pt);\r
 608         pt.x -= rect.left;\r
 609         pt.y -= rect.top;\r
 610 \r
 611         //same for the window coordinates - make them relative to 0,0\r
 612         OffsetRect(&rect, -rect.left, -rect.top);\r
 613 \r
 614         if (pt.x < 0)\r
 615                 pt.x = 0;\r
 616         if (pt.x > rect.right-4) \r
 617                 pt.x = rect.right-4;\r
 618         if (pt.y < 0)\r
 619                 pt.y = 0;\r
 620         if (pt.y > rect.bottom-4)\r
 621                 pt.y = rect.bottom-4;\r
 622 \r
 623         bDragMode = true;\r
 624 \r
 625         SetCapture(hwnd);\r
 626 \r
 627         hdc = GetWindowDC(hwnd);\r
 628         if (bVertical)\r
 629                 DrawXorBar(hdc, clientrect.left, pt.y+2, clientrect.right-clientrect.left-2, 4);\r
 630         else\r
 631                 DrawXorBar(hdc, pt.x+2, clientrect.top, 4, clientrect.bottom-clientrect.top-2);\r
 632         ReleaseDC(hwnd, hdc);\r
 633 \r
 634         oldx = pt.x;\r
 635         oldy = pt.y;\r
 636 \r
 637         return 0;\r
 638 }\r
 639 \r
 640 \r
 641 LRESULT CMainWindow::Splitter_OnLButtonUp(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam)\r
 642 {\r
 643         HDC hdc;\r
 644         RECT rect;\r
 645         RECT clientrect;\r
 646 \r
 647         POINT pt;\r
 648         pt.x = (short)LOWORD(lParam);  // horizontal position of cursor \r
 649         pt.y = (short)HIWORD(lParam);\r
 650 \r
 651         if (bDragMode == FALSE)\r
 652                 return 0;\r
 653 \r
 654         GetClientRect(hwnd, &clientrect);\r
 655         GetWindowRect(hwnd, &rect);\r
 656         POINT zero = {0,0};\r
 657         ClientToScreen(hwnd, &zero);\r
 658         OffsetRect(&clientrect, zero.x-rect.left, zero.y-rect.top);\r
 659 \r
 660         ClientToScreen(hwnd, &pt);\r
 661         pt.x -= rect.left;\r
 662         pt.y -= rect.top;\r
 663 \r
 664         OffsetRect(&rect, -rect.left, -rect.top);\r
 665 \r
 666         if (pt.x < 0)\r
 667                 pt.x = 0;\r
 668         if (pt.x > rect.right-4) \r
 669                 pt.x = rect.right-4;\r
 670         if (pt.y < 0)\r
 671                 pt.y = 0;\r
 672         if (pt.y > rect.bottom-4)\r
 673                 pt.y = rect.bottom-4;\r
 674 \r
 675         hdc = GetWindowDC(hwnd);\r
 676         if (bVertical)\r
 677                 DrawXorBar(hdc, clientrect.left, oldy+2, clientrect.right-clientrect.left-2, 4);                        \r
 678         else\r
 679                 DrawXorBar(hdc, oldx+2, clientrect.top, 4, clientrect.bottom-clientrect.top-2);                 \r
 680         ReleaseDC(hwnd, hdc);\r
 681 \r
 682         oldx = pt.x;\r
 683         oldy = pt.y;\r
 684 \r
 685         bDragMode = false;\r
 686 \r
 687         //convert the splitter position back to screen coords.\r
 688         GetWindowRect(hwnd, &rect);\r
 689         pt.x += rect.left;\r
 690         pt.y += rect.top;\r
 691 \r
 692         //now convert into CLIENT coordinates\r
 693         ScreenToClient(hwnd, &pt);\r
 694         GetClientRect(hwnd, &rect);\r
 695         if (bVertical)\r
 696                 nSplitterPos = pt.y;\r
 697         else\r
 698                 nSplitterPos = pt.x;\r
 699 \r
 700         ReleaseCapture();\r
 701 \r
 702         //position the child controls\r
 703         PositionChildren(&rect);\r
 704         return 0;\r
 705 }\r
 706 \r
 707 LRESULT CMainWindow::Splitter_OnMouseMove(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam)\r
 708 {\r
 709         HDC hdc;\r
 710         RECT rect;\r
 711         RECT clientrect;\r
 712 \r
 713         POINT pt;\r
 714 \r
 715         if (bDragMode == FALSE)\r
 716                 return 0;\r
 717 \r
 718         pt.x = (short)LOWORD(lParam);  // horizontal position of cursor \r
 719         pt.y = (short)HIWORD(lParam);\r
 720 \r
 721         GetClientRect(hwnd, &clientrect);\r
 722         GetWindowRect(hwnd, &rect);\r
 723         POINT zero = {0,0};\r
 724         ClientToScreen(hwnd, &zero);\r
 725         OffsetRect(&clientrect, zero.x-rect.left, zero.y-rect.top);\r
 726 \r
 727         //convert the mouse coordinates relative to the top-left of\r
 728         //the window\r
 729         ClientToScreen(hwnd, &pt);\r
 730         pt.x -= rect.left;\r
 731         pt.y -= rect.top;\r
 732 \r
 733         //same for the window coordinates - make them relative to 0,0\r
 734         OffsetRect(&rect, -rect.left, -rect.top);\r
 735 \r
 736         if (pt.x < 0)\r
 737                 pt.x = 0;\r
 738         if (pt.x > rect.right-4) \r
 739                 pt.x = rect.right-4;\r
 740         if (pt.y < 0)\r
 741                 pt.y = 0;\r
 742         if (pt.y > rect.bottom-4)\r
 743                 pt.y = rect.bottom-4;\r
 744 \r
 745         if ((wParam & MK_LBUTTON) && ((bVertical && (pt.y != oldy)) || (!bVertical && (pt.x != oldx))))\r
 746         {\r
 747                 hdc = GetWindowDC(hwnd);\r
 748 \r
 749                 if (bVertical)\r
 750                 {\r
 751                         DrawXorBar(hdc, clientrect.left, oldy+2, clientrect.right-clientrect.left-2, 4);\r
 752                         DrawXorBar(hdc, clientrect.left, pt.y+2, clientrect.right-clientrect.left-2, 4);\r
 753                 }\r
 754                 else\r
 755                 {\r
 756                         DrawXorBar(hdc, oldx+2, clientrect.top, 4, clientrect.bottom-clientrect.top-2);\r
 757                         DrawXorBar(hdc, pt.x+2, clientrect.top, 4, clientrect.bottom-clientrect.top-2);\r
 758                 }\r
 759 \r
 760                 ReleaseDC(hwnd, hdc);\r
 761 \r
 762                 oldx = pt.x;\r
 763                 oldy = pt.y;\r
 764         }\r
 765 \r
 766         return 0;\r
 767 }\r
 768 \r
 769 bool CMainWindow::OpenDialog()\r
 770 {\r
 771         return (DialogBox(hResource, MAKEINTRESOURCE(IDD_OPEN), *this, (DLGPROC)OpenDlgProc)==IDOK);\r
 772 }\r
 773 \r
 774 BOOL CALLBACK CMainWindow::OpenDlgProc(HWND hwndDlg, UINT message, WPARAM wParam, LPARAM lParam)\r
 775 {\r
 776         switch (message) \r
 777         {\r
 778         case WM_INITDIALOG:\r
 779                 {\r
 780                         // center on the parent window\r
 781                         HWND hParentWnd = ::GetParent(hwndDlg);\r
 782                         RECT parentrect, childrect, centeredrect;\r
 783                         GetWindowRect(hParentWnd, &parentrect);\r
 784                         GetWindowRect(hwndDlg, &childrect);\r
 785                         centeredrect.left = parentrect.left + ((parentrect.right-parentrect.left-childrect.right+childrect.left)/2);\r
 786                         centeredrect.right = centeredrect.left + (childrect.right-childrect.left);\r
 787                         centeredrect.top = parentrect.top + ((parentrect.bottom-parentrect.top-childrect.bottom+childrect.top)/2);\r
 788                         centeredrect.bottom = centeredrect.top + (childrect.bottom-childrect.top);\r
 789                         SetWindowPos(hwndDlg, NULL, centeredrect.left, centeredrect.top, centeredrect.right-centeredrect.left, centeredrect.bottom-centeredrect.top, SWP_SHOWWINDOW);\r
 790                         SetFocus(hwndDlg);\r
 791                 }\r
 792                 break;\r
 793         case WM_COMMAND: \r
 794                 switch (LOWORD(wParam)) \r
 795                 {\r
 796                 case IDC_LEFTBROWSE:\r
 797                         {\r
 798                                 TCHAR path[MAX_PATH] = {0};\r
 799                                 if (AskForFile(hwndDlg, path))\r
 800                                 {\r
 801                                         SetDlgItemText(hwndDlg, IDC_LEFTIMAGE, path);\r
 802                                 }\r
 803                         }\r
 804                         break;\r
 805                 case IDC_RIGHTBROWSE:\r
 806                         {\r
 807                                 TCHAR path[MAX_PATH] = {0};\r
 808                                 if (AskForFile(hwndDlg, path))\r
 809                                 {\r
 810                                         SetDlgItemText(hwndDlg, IDC_RIGHTIMAGE, path);\r
 811                                 }\r
 812                         }\r
 813                         break;\r
 814                 case IDOK: \r
 815                         {\r
 816                                 TCHAR path[MAX_PATH];\r
 817                                 if (!GetDlgItemText(hwndDlg, IDC_LEFTIMAGE, path, MAX_PATH)) \r
 818                                         *path = 0;\r
 819                                 leftpicpath = path;\r
 820                                 if (!GetDlgItemText(hwndDlg, IDC_RIGHTIMAGE, path, MAX_PATH))\r
 821                                         *path = 0;\r
 822                                 rightpicpath = path;\r
 823                         }\r
 824                         // Fall through. \r
 825                 case IDCANCEL: \r
 826                         EndDialog(hwndDlg, wParam); \r
 827                         return TRUE; \r
 828                 } \r
 829         } \r
 830         return FALSE; \r
 831 }\r
 832 \r
 833 bool CMainWindow::AskForFile(HWND owner, TCHAR * path)\r
 834 {\r
 835         OPENFILENAME ofn = {0};                 // common dialog box structure\r
 836         // Initialize OPENFILENAME\r
 837         ofn.lStructSize = sizeof(OPENFILENAME);\r
 838         ofn.hwndOwner = owner;\r
 839         ofn.lpstrFile = path;\r
 840         ofn.nMaxFile = MAX_PATH;\r
 841         ofn.lpstrTitle = ResString(::hResource, IDS_OPENIMAGEFILE);\r
 842         ofn.Flags = OFN_DONTADDTORECENT | OFN_FILEMUSTEXIST | OFN_EXPLORER;\r
 843         ofn.hInstance = ::hResource;\r
 844         TCHAR filters[] = _T("Images\0*.wmf;*.jpg;*jpeg;*.bmp;*.gif;*.png;*.ico;*.dib;*.emf\0All (*.*)\0*.*\0\0");\r
 845         ofn.lpstrFilter = filters;\r
 846         ofn.nFilterIndex = 1;\r
 847         // Display the Open dialog box. \r
 848         if (GetOpenFileName(&ofn)==FALSE)\r
 849         {\r
 850                 return false;\r
 851         }\r
 852         return true;\r
 853 }\r
 854 \r
 855 bool CMainWindow::CreateToolbar()\r
 856 {\r
 857         // Ensure that the common control DLL is loaded. \r
 858         INITCOMMONCONTROLSEX icex;\r
 859         icex.dwSize = sizeof(INITCOMMONCONTROLSEX);\r
 860         icex.dwICC  = ICC_BAR_CLASSES | ICC_WIN95_CLASSES;\r
 861         InitCommonControlsEx(&icex);\r
 862 \r
 863         hwndTB = CreateWindowEx(0, \r
 864                                                         TOOLBARCLASSNAME, \r
 865                                                         (LPCTSTR)NULL,\r
 866                                                         WS_CHILD | WS_BORDER | WS_VISIBLE | TBSTYLE_FLAT | TBSTYLE_TOOLTIPS, \r
 867                                                         0, 0, 0, 0, \r
 868                                                         *this,\r
 869                                                         (HMENU)IDC_TORTOISEIDIFF, \r
 870                                                         hResource, \r
 871                                                         NULL);\r
 872         if (hwndTB == INVALID_HANDLE_VALUE)\r
 873                 return false;\r
 874 \r
 875         SendMessage(hwndTB, TB_BUTTONSTRUCTSIZE, (WPARAM) sizeof(TBBUTTON), 0);\r
 876 \r
 877         TBBUTTON tbb[12];\r
 878         // create an imagelist containing the icons for the toolbar\r
 879         hToolbarImgList = ImageList_Create(24, 24, ILC_COLOR32 | ILC_MASK, 12, 4);\r
 880         if (hToolbarImgList == NULL)\r
 881                 return false;\r
 882         int index = 0;\r
 883         HICON hIcon = LoadIcon(hResource, MAKEINTRESOURCE(IDI_OVERLAP));\r
 884         tbb[index].iBitmap = ImageList_AddIcon(hToolbarImgList, hIcon); \r
 885         tbb[index].idCommand = ID_VIEW_OVERLAPIMAGES; \r
 886         tbb[index].fsState = TBSTATE_ENABLED; \r
 887         tbb[index].fsStyle = BTNS_BUTTON; \r
 888         tbb[index].dwData = 0; \r
 889         tbb[index++].iString = 0; \r
 890 \r
 891         hIcon = LoadIcon(hResource, MAKEINTRESOURCE(IDI_BLEND));\r
 892         tbb[index].iBitmap = ImageList_AddIcon(hToolbarImgList, hIcon); \r
 893         tbb[index].idCommand = ID_VIEW_BLENDALPHA; \r
 894         tbb[index].fsState = 0; \r
 895         tbb[index].fsStyle = BTNS_BUTTON; \r
 896         tbb[index].dwData = 0; \r
 897         tbb[index++].iString = 0; \r
 898 \r
 899         hIcon = LoadIcon(hResource, MAKEINTRESOURCE(IDI_LINK));\r
 900         tbb[index].iBitmap = ImageList_AddIcon(hToolbarImgList, hIcon); \r
 901         tbb[index].idCommand = ID_VIEW_LINKIMAGESTOGETHER; \r
 902         tbb[index].fsState = TBSTATE_ENABLED | TBSTATE_CHECKED; \r
 903         tbb[index].fsStyle = BTNS_BUTTON; \r
 904         tbb[index].dwData = 0; \r
 905         tbb[index++].iString = 0; \r
 906 \r
 907         hIcon = LoadIcon(hResource, MAKEINTRESOURCE(IDI_FITTOGETHER));\r
 908         tbb[index].iBitmap = ImageList_AddIcon(hToolbarImgList, hIcon); \r
 909         tbb[index].idCommand = ID_VIEW_FITTOGETHER; \r
 910         tbb[index].fsState = TBSTATE_ENABLED; \r
 911         tbb[index].fsStyle = BTNS_BUTTON; \r
 912         tbb[index].dwData = 0; \r
 913         tbb[index++].iString = 0; \r
 914 \r
 915         tbb[index].iBitmap = 0; \r
 916         tbb[index].idCommand = 0; \r
 917         tbb[index].fsState = TBSTATE_ENABLED; \r
 918         tbb[index].fsStyle = BTNS_SEP; \r
 919         tbb[index].dwData = 0; \r
 920         tbb[index++].iString = 0; \r
 921 \r
 922         hIcon = LoadIcon(hResource, MAKEINTRESOURCE(IDI_VERTICAL));\r
 923         tbb[index].iBitmap = ImageList_AddIcon(hToolbarImgList, hIcon); \r
 924         tbb[index].idCommand = ID_VIEW_ARRANGEVERTICAL; \r
 925         tbb[index].fsState = TBSTATE_ENABLED; \r
 926         tbb[index].fsStyle = BTNS_BUTTON; \r
 927         tbb[index].dwData = 0; \r
 928         tbb[index++].iString = 0; \r
 929 \r
 930         hIcon = LoadIcon(hResource, MAKEINTRESOURCE(IDI_FITINWINDOW));\r
 931         tbb[index].iBitmap = ImageList_AddIcon(hToolbarImgList, hIcon); \r
 932         tbb[index].idCommand = ID_VIEW_FITIMAGESINWINDOW; \r
 933         tbb[index].fsState = TBSTATE_ENABLED; \r
 934         tbb[index].fsStyle = BTNS_BUTTON; \r
 935         tbb[index].dwData = 0; \r
 936         tbb[index++].iString = 0; \r
 937 \r
 938         hIcon = LoadIcon(hResource, MAKEINTRESOURCE(IDI_ORIGSIZE));\r
 939         tbb[index].iBitmap = ImageList_AddIcon(hToolbarImgList, hIcon); \r
 940         tbb[index].idCommand = ID_VIEW_ORININALSIZE; \r
 941         tbb[index].fsState = TBSTATE_ENABLED; \r
 942         tbb[index].fsStyle = BTNS_BUTTON; \r
 943         tbb[index].dwData = 0; \r
 944         tbb[index++].iString = 0; \r
 945 \r
 946         hIcon = LoadIcon(hResource, MAKEINTRESOURCE(IDI_ZOOMIN));\r
 947         tbb[index].iBitmap = ImageList_AddIcon(hToolbarImgList, hIcon); \r
 948         tbb[index].idCommand = ID_VIEW_ZOOMIN; \r
 949         tbb[index].fsState = TBSTATE_ENABLED; \r
 950         tbb[index].fsStyle = BTNS_BUTTON; \r
 951         tbb[index].dwData = 0; \r
 952         tbb[index++].iString = 0; \r
 953 \r
 954         hIcon = LoadIcon(hResource, MAKEINTRESOURCE(IDI_ZOOMOUT));\r
 955         tbb[index].iBitmap = ImageList_AddIcon(hToolbarImgList, hIcon); \r
 956         tbb[index].idCommand = ID_VIEW_ZOOMOUT; \r
 957         tbb[index].fsState = TBSTATE_ENABLED; \r
 958         tbb[index].fsStyle = BTNS_BUTTON; \r
 959         tbb[index].dwData = 0; \r
 960         tbb[index++].iString = 0; \r
 961 \r
 962         tbb[index].iBitmap = 0; \r
 963         tbb[index].idCommand = 0; \r
 964         tbb[index].fsState = TBSTATE_ENABLED; \r
 965         tbb[index].fsStyle = BTNS_SEP; \r
 966         tbb[index].dwData = 0; \r
 967         tbb[index++].iString = 0; \r
 968 \r
 969         hIcon = LoadIcon(hResource, MAKEINTRESOURCE(IDI_IMGINFO));\r
 970         tbb[index].iBitmap = ImageList_AddIcon(hToolbarImgList, hIcon); \r
 971         tbb[index].idCommand = ID_VIEW_IMAGEINFO; \r
 972         tbb[index].fsState = TBSTATE_ENABLED; \r
 973         tbb[index].fsStyle = BTNS_BUTTON; \r
 974         tbb[index].dwData = 0; \r
 975         tbb[index++].iString = 0; \r
 976 \r
 977         SendMessage(hwndTB, TB_SETIMAGELIST, 0, (LPARAM)hToolbarImgList);\r
 978         SendMessage(hwndTB, TB_ADDBUTTONS, (WPARAM)index, (LPARAM) (LPTBBUTTON) &tbb); \r
 979         SendMessage(hwndTB, TB_AUTOSIZE, 0, 0); \r
 980         ShowWindow(hwndTB, SW_SHOW); \r
 981         return true; \r
 982 \r
 983 }\r