src/TortoiseMerge/TortoiseMerge.cpp

   1 // TortoiseGitMerge - a Diff/Patch program
   2
   3 // Copyright (C) 2013 - TortoiseGit
   4 // Copyright (C) 2006-2012 - TortoiseSVN
   5
   6 // This program is free software; you can redistribute it and/or
   7 // modify it under the terms of the GNU General Public License
   8 // as published by the Free Software Foundation; either version 2
   9 // of the License, or (at your option) any later version.
  10
  11 // This program 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
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License
  17 // along with this program; if not, write to the Free Software Foundation,
  18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 //
  20 #include "stdafx.h"
  21 #include <dlgs.h>
  22 #include "TortoiseMerge.h"
  23 #include "MainFrm.h"
  24 #include "AboutDlg.h"
  25 #include "CmdLineParser.h"
  26 #include "version.h"
  27 #include "AppUtils.h"
  28 #include "PathUtils.h"
  29 #include "BrowseFolder.h"
  30 #include "DirFileEnum.h"
  31 #include "SelectFileFilter.h"
  32 #include "FileDlgEventHandler.h"
  33 #include "TempFile.h"
  34 #include "TaskbarUUID.h"
  35
  36 #ifdef _DEBUG
  37 #define new DEBUG_NEW
  38 #endif
  39
  40 #pragma comment(linker, "\"/manifestdependency:type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'\"")
  41
  42 BEGIN_MESSAGE_MAP(CTortoiseMergeApp, CWinAppEx)
  43         ON_COMMAND(ID_APP_ABOUT, OnAppAbout)
  44 END_MESSAGE_MAP()
  45
  46 class PatchOpenDlgEventHandler : public CFileDlgEventHandler
  47 {
  48 public:
  49         PatchOpenDlgEventHandler() {}
  50         ~PatchOpenDlgEventHandler() {}
  51
  52         virtual STDMETHODIMP OnButtonClicked(IFileDialogCustomize* pfdc, DWORD dwIDCtl)
  53         {
  54                 if (dwIDCtl == 101)
  55                 {
  56                         CComQIPtr<IFileOpenDialog> pDlg = pfdc;
  57                         if (pDlg)
  58                         {
  59                                 pDlg->Close(S_OK);
  60                         }
  61                 }
  62                 return S_OK;
  63         }
  64 };
  65
  66
  67 CTortoiseMergeApp::CTortoiseMergeApp()
  68         : m_nAppLook(0)
  69 {
  70         EnableHtmlHelp();
  71         m_bHiColorIcons = TRUE;
  72 }
  73
  74 // The one and only CTortoiseMergeApp object
  75 CTortoiseMergeApp theApp;
  76 CString sOrigCWD;
  77 #if ENABLE_CRASHHANLDER
  78 CCrashReportTGit g_crasher(L"TortoiseGitMerge " _T(APP_X64_STRING), TGIT_VERMAJOR, TGIT_VERMINOR, TGIT_VERMICRO, TGIT_VERBUILD, TGIT_VERDATE);
  79 #endif
  80
  81 CString g_sGroupingUUID;
  82
  83 // CTortoiseMergeApp initialization
  84 BOOL CTortoiseMergeApp::InitInstance()
  85 {
  86         SetDllDirectory(L"");
  87         SetTaskIDPerUUID();
  88         CCrashReport::Instance().AddUserInfoToReport(L"CommandLine", GetCommandLine());
  89
  90         {
  91                 DWORD len = GetCurrentDirectory(0, NULL);
  92                 if (len)
  93                 {
  94                         std::unique_ptr<TCHAR[]> originalCurrentDirectory(new TCHAR[len]);
  95                         if (GetCurrentDirectory(len, originalCurrentDirectory.get()))
  96                         {
  97                                 sOrigCWD = originalCurrentDirectory.get();
  98                                 sOrigCWD = CPathUtils::GetLongPathname(sOrigCWD);
  99                         }
 100                 }
 101         }
 102
 103         //set the resource dll for the required language
 104         CRegDWORD loc = CRegDWORD(_T("Software\\TortoiseGit\\LanguageID"), 1033);
 105         long langId = loc;
 106         CString langDll;
 107         HINSTANCE hInst = NULL;
 108         do
 109         {
 110                 langDll.Format(_T("%sLanguages\\TortoiseMerge%d.dll"), (LPCTSTR)CPathUtils::GetAppParentDirectory(), langId);
 111
 112                 hInst = LoadLibrary(langDll);
 113                 CString sVer = _T(STRPRODUCTVER);
 114                 CString sFileVer = CPathUtils::GetVersionFromFile(langDll);
 115                 if (sFileVer.Compare(sVer)!=0)
 116                 {
 117                         FreeLibrary(hInst);
 118                         hInst = NULL;
 119                 }
 120                 if (hInst != NULL)
 121                         AfxSetResourceHandle(hInst);
 122                 else
 123                 {
 124                         DWORD lid = SUBLANGID(langId);
 125                         lid--;
 126                         if (lid > 0)
 127                         {
 128                                 langId = MAKELANGID(PRIMARYLANGID(langId), lid);
 129                         }
 130                         else
 131                                 langId = 0;
 132                 }
 133         } while ((hInst == NULL) && (langId != 0));
 134         TCHAR buf[6];
 135         _tcscpy_s(buf, _T("en"));
 136         langId = loc;
 137         CString sHelppath = CPathUtils::GetAppDirectory() + _T("TortoiseMerge_en.chm");
 138         free((void*)m_pszHelpFilePath);
 139         m_pszHelpFilePath=_tcsdup(sHelppath);
 140         sHelppath = CPathUtils::GetAppParentDirectory() + _T("Languages\\TortoiseMerge_en.chm");
 141         do
 142         {
 143                 GetLocaleInfo(MAKELCID(langId, SORT_DEFAULT), LOCALE_SISO639LANGNAME, buf, _countof(buf));
 144                 CString sLang = _T("_");
 145                 sLang += buf;
 146                 sHelppath.Replace(_T("_en"), sLang);
 147                 if (PathFileExists(sHelppath))
 148                 {
 149                         free((void*)m_pszHelpFilePath);
 150                         m_pszHelpFilePath=_tcsdup(sHelppath);
 151                         break;
 152                 }
 153                 sHelppath.Replace(sLang, _T("_en"));
 154                 GetLocaleInfo(MAKELCID(langId, SORT_DEFAULT), LOCALE_SISO3166CTRYNAME, buf, _countof(buf));
 155                 sLang += _T("_");
 156                 sLang += buf;
 157                 sHelppath.Replace(_T("_en"), sLang);
 158                 if (PathFileExists(sHelppath))
 159                 {
 160                         free((void*)m_pszHelpFilePath);
 161                         m_pszHelpFilePath=_tcsdup(sHelppath);
 162                         break;
 163                 }
 164                 sHelppath.Replace(sLang, _T("_en"));
 165
 166                 DWORD lid = SUBLANGID(langId);
 167                 lid--;
 168                 if (lid > 0)
 169                 {
 170                         langId = MAKELANGID(PRIMARYLANGID(langId), lid);
 171                 }
 172                 else
 173                         langId = 0;
 174         } while (langId);
 175         setlocale(LC_ALL, "");
 176         // We need to explicitly set the thread locale to the system default one to avoid possible problems with saving files in its original codepage
 177         // The problems occures when the language of OS differs from the regional settings
 178         // See the details here: http://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?FeedbackID=100887
 179         SetThreadLocale(LOCALE_SYSTEM_DEFAULT);
 180
 181         // InitCommonControls() is required on Windows XP if an application
 182         // manifest specifies use of ComCtl32.dll version 6 or later to enable
 183         // visual styles.  Otherwise, any window creation will fail.
 184         InitCommonControls();
 185
 186         CMFCVisualManager::SetDefaultManager(RUNTIME_CLASS(CMFCVisualManagerWindows));
 187         CMFCButton::EnableWindowsTheming();
 188         EnableTaskbarInteraction(FALSE);
 189
 190         // Initialize all Managers for usage. They are automatically constructed
 191         // if not yet present
 192         InitContextMenuManager();
 193         InitKeyboardManager();
 194         InitTooltipManager ();
 195         CMFCToolTipInfo params;
 196         params.m_bVislManagerTheme = TRUE;
 197
 198         GetTooltipManager ()->SetTooltipParams (
 199                 AFX_TOOLTIP_TYPE_ALL,
 200                 RUNTIME_CLASS (CMFCToolTipCtrl),
 201                 &params);
 202
 203         CCmdLineParser parser = CCmdLineParser(this->m_lpCmdLine);
 204
 205         g_sGroupingUUID = parser.GetVal(L"groupuuid");
 206
 207         if (parser.HasKey(_T("?")) || parser.HasKey(_T("help")))
 208         {
 209                 CString sHelpText;
 210                 sHelpText.LoadString(IDS_COMMANDLINEHELP);
 211                 MessageBox(NULL, sHelpText, _T("TortoiseGitMerge"), MB_ICONINFORMATION);
 212                 return FALSE;
 213         }
 214
 215         // Initialize OLE libraries
 216         if (!AfxOleInit())
 217         {
 218                 AfxMessageBox(IDP_OLE_INIT_FAILED);
 219                 return FALSE;
 220         }
 221         AfxEnableControlContainer();
 222         // Standard initialization
 223         // If you are not using these features and wish to reduce the size
 224         // of your final executable, you should remove from the following
 225         // the specific initialization routines you do not need
 226         // Change the registry key under which our settings are stored
 227         SetRegistryKey(_T("TortoiseGitMerge"));
 228
 229         if (CRegDWORD(_T("Software\\TortoiseGitMerge\\Debug"), FALSE)==TRUE)
 230                 AfxMessageBox(AfxGetApp()->m_lpCmdLine, MB_OK | MB_ICONINFORMATION);
 231
 232         // To create the main window, this code creates a new frame window
 233         // object and then sets it as the application's main window object
 234         CMainFrame* pFrame = new CMainFrame;
 235         if (pFrame == NULL)
 236                 return FALSE;
 237         m_pMainWnd = pFrame;
 238
 239         // create and load the frame with its resources
 240         if (!pFrame->LoadFrame(IDR_MAINFRAME, WS_OVERLAPPEDWINDOW | FWS_ADDTOTITLE, NULL, NULL))
 241                 return FALSE;
 242
 243         // Fill in the command line options
 244         pFrame->m_Data.m_baseFile.SetFileName(parser.GetVal(_T("base")));
 245         pFrame->m_Data.m_baseFile.SetDescriptiveName(parser.GetVal(_T("basename")));
 246         pFrame->m_Data.m_theirFile.SetFileName(parser.GetVal(_T("theirs")));
 247         pFrame->m_Data.m_theirFile.SetDescriptiveName(parser.GetVal(_T("theirsname")));
 248         pFrame->m_Data.m_yourFile.SetFileName(parser.GetVal(_T("mine")));
 249         pFrame->m_Data.m_yourFile.SetDescriptiveName(parser.GetVal(_T("minename")));
 250         pFrame->m_Data.m_mergedFile.SetFileName(parser.GetVal(_T("merged")));
 251         pFrame->m_Data.m_mergedFile.SetDescriptiveName(parser.GetVal(_T("mergedname")));
 252         pFrame->m_Data.m_sPatchPath = parser.HasVal(_T("patchpath")) ? parser.GetVal(_T("patchpath")) : _T("");
 253         pFrame->m_Data.m_sPatchPath.Replace('/', '\\');
 254         if (parser.HasKey(_T("patchoriginal")))
 255                 pFrame->m_Data.m_sPatchOriginal = parser.GetVal(_T("patchoriginal"));
 256         if (parser.HasKey(_T("patchpatched")))
 257                 pFrame->m_Data.m_sPatchPatched = parser.GetVal(_T("patchpatched"));
 258         pFrame->m_Data.m_sDiffFile = parser.GetVal(_T("diff"));
 259         pFrame->m_Data.m_sDiffFile.Replace('/', '\\');
 260         if (parser.HasKey(_T("oneway")))
 261                 pFrame->m_bOneWay = TRUE;
 262         if (parser.HasKey(_T("diff")))
 263                 pFrame->m_bOneWay = FALSE;
 264         if (parser.HasKey(_T("reversedpatch")))
 265                 pFrame->m_bReversedPatch = TRUE;
 266         if (parser.HasKey(_T("saverequired")))
 267                 pFrame->m_bSaveRequired = true;
 268         if (pFrame->m_Data.IsBaseFileInUse() && !pFrame->m_Data.IsYourFileInUse() && pFrame->m_Data.IsTheirFileInUse())
 269         {
 270                 pFrame->m_Data.m_yourFile.TransferDetailsFrom(pFrame->m_Data.m_theirFile);
 271         }
 272
 273         if ((!parser.HasKey(_T("patchpath")))&&(parser.HasVal(_T("diff"))))
 274         {
 275                 // a patchfile was given, but not folder path to apply the patch to
 276                 // If the patchfile is located inside a working copy, then use the parent directory
 277                 // of the patchfile as the target directory, otherwise ask the user for a path.
 278                 if (parser.HasKey(_T("wc")))
 279                         pFrame->m_Data.m_sPatchPath = pFrame->m_Data.m_sDiffFile.Left(pFrame->m_Data.m_sDiffFile.ReverseFind('\\'));
 280                 else
 281                 {
 282                         CBrowseFolder fbrowser;
 283                         fbrowser.m_style = BIF_EDITBOX | BIF_NEWDIALOGSTYLE | BIF_RETURNFSANCESTORS | BIF_RETURNONLYFSDIRS;
 284                         if (fbrowser.Show(NULL, pFrame->m_Data.m_sPatchPath)==CBrowseFolder::CANCEL)
 285                                 return FALSE;
 286                 }
 287         }
 288
 289         if ((parser.HasKey(_T("patchpath")))&&(!parser.HasVal(_T("diff"))))
 290         {
 291                 // A path was given for applying a patchfile, but
 292                 // the patchfile itself was not.
 293                 // So ask the user for that patchfile
 294
 295                 HRESULT hr;
 296                 // Create a new common save file dialog
 297                 CComPtr<IFileOpenDialog> pfd = NULL;
 298                 hr = pfd.CoCreateInstance(CLSID_FileOpenDialog, NULL, CLSCTX_INPROC_SERVER);
 299                 if (SUCCEEDED(hr))
 300                 {
 301                         // Set the dialog options
 302                         DWORD dwOptions;
 303                         if (SUCCEEDED(hr = pfd->GetOptions(&dwOptions)))
 304                         {
 305                                 hr = pfd->SetOptions(dwOptions | FOS_FILEMUSTEXIST | FOS_FORCEFILESYSTEM | FOS_PATHMUSTEXIST);
 306                         }
 307
 308                         // Set a title
 309                         if (SUCCEEDED(hr))
 310                         {
 311                                 CString temp;
 312                                 temp.LoadString(IDS_OPENDIFFFILETITLE);
 313                                 pfd->SetTitle(temp);
 314                         }
 315                         CSelectFileFilter fileFilter(IDS_PATCHFILEFILTER);
 316                         hr = pfd->SetFileTypes(fileFilter.GetCount(), fileFilter);
 317                         bool bAdvised = false;
 318                         DWORD dwCookie = 0;
 319                         CComObjectStackEx<PatchOpenDlgEventHandler> cbk;
 320                         CComQIPtr<IFileDialogEvents> pEvents = cbk.GetUnknown();
 321
 322                         {
 323                                 CComPtr<IFileDialogCustomize> pfdCustomize;
 324                                 hr = pfd->QueryInterface(IID_PPV_ARGS(&pfdCustomize));
 325                                 if (SUCCEEDED(hr))
 326                                 {
 327                                         // check if there's a unified diff on the clipboard and
 328                                         // add a button to the fileopen dialog if there is.
 329                                         UINT cFormat = RegisterClipboardFormat(_T("TSVN_UNIFIEDDIFF"));
 330                                         if ((cFormat)&&(OpenClipboard(NULL)))
 331                                         {
 332                                                 HGLOBAL hglb = GetClipboardData(cFormat);
 333                                                 if (hglb)
 334                                                 {
 335                                                         pfdCustomize->AddPushButton(101, CString(MAKEINTRESOURCE(IDS_PATCH_COPYFROMCLIPBOARD)));
 336                                                         hr = pfd->Advise(pEvents, &dwCookie);
 337                                                         bAdvised = SUCCEEDED(hr);
 338                                                 }
 339                                                 CloseClipboard();
 340                                         }
 341                                 }
 342                         }
 343
 344                         // Show the save file dialog
 345                         if (SUCCEEDED(hr) && SUCCEEDED(hr = pfd->Show(pFrame->m_hWnd)))
 346                         {
 347                                 // Get the selection from the user
 348                                 CComPtr<IShellItem> psiResult = NULL;
 349                                 hr = pfd->GetResult(&psiResult);
 350                                 if (bAdvised)
 351                                         pfd->Unadvise(dwCookie);
 352                                 if (SUCCEEDED(hr))
 353                                 {
 354                                         PWSTR pszPath = NULL;
 355                                         hr = psiResult->GetDisplayName(SIGDN_FILESYSPATH, &pszPath);
 356                                         if (SUCCEEDED(hr))
 357                                         {
 358                                                 pFrame->m_Data.m_sDiffFile = pszPath;
 359                                                 CoTaskMemFree(pszPath);
 360                                         }
 361                                 }
 362                                 else
 363                                 {
 364                                         // no result, which means we closed the dialog in our button handler
 365                                         std::wstring sTempFile;
 366                                         if (TrySavePatchFromClipboard(sTempFile))
 367                                                 pFrame->m_Data.m_sDiffFile = sTempFile.c_str();
 368                                 }
 369                         }
 370                         else
 371                         {
 372                                 if (bAdvised)
 373                                         pfd->Unadvise(dwCookie);
 374                                 return FALSE;
 375                         }
 376                 }
 377                 else
 378                 {
 379                         OPENFILENAME ofn = {0};         // common dialog box structure
 380                         TCHAR szFile[MAX_PATH] = {0};   // buffer for file name
 381                         // Initialize OPENFILENAME
 382                         ofn.lStructSize = sizeof(OPENFILENAME);
 383                         ofn.hwndOwner = pFrame->m_hWnd;
 384                         ofn.lpstrFile = szFile;
 385                         ofn.nMaxFile = _countof(szFile);
 386                         CString temp;
 387                         temp.LoadString(IDS_OPENDIFFFILETITLE);
 388                         if (temp.IsEmpty())
 389                                 ofn.lpstrTitle = NULL;
 390                         else
 391                                 ofn.lpstrTitle = temp;
 392
 393                         ofn.Flags = OFN_FILEMUSTEXIST | OFN_PATHMUSTEXIST | OFN_HIDEREADONLY | OFN_EXPLORER;
 394                         if( HasClipboardPatch() ) {
 395                                 ofn.Flags |= ( OFN_ENABLETEMPLATE | OFN_ENABLEHOOK );
 396                                 ofn.hInstance = AfxGetResourceHandle();
 397                                 ofn.lpTemplateName = MAKEINTRESOURCE(IDD_PATCH_FILE_OPEN_CUSTOM);
 398                                 ofn.lpfnHook = CreatePatchFileOpenHook;
 399                         }
 400
 401                         CSelectFileFilter fileFilter(IDS_PATCHFILEFILTER);
 402                         ofn.lpstrFilter = fileFilter;
 403                         ofn.nFilterIndex = 1;
 404
 405                         // Display the Open dialog box.
 406                         if (GetOpenFileName(&ofn)==FALSE)
 407                         {
 408                                 return FALSE;
 409                         }
 410                         pFrame->m_Data.m_sDiffFile = ofn.lpstrFile;
 411                 }
 412         }
 413
 414         if ( pFrame->m_Data.m_baseFile.GetFilename().IsEmpty() && pFrame->m_Data.m_yourFile.GetFilename().IsEmpty() )
 415         {
 416                 int nArgs;
 417                 LPWSTR *szArglist = CommandLineToArgvW(GetCommandLineW(), &nArgs);
 418                 if( NULL == szArglist )
 419                 {
 420                         TRACE("CommandLineToArgvW failed\n");
 421                 }
 422                 else
 423                 {
 424                         if ( nArgs==3 || nArgs==4 )
 425                         {
 426                                 // Four parameters:
 427                                 // [0]: Program name
 428                                 // [1]: BASE file
 429                                 // [2]: my file
 430                                 // [3]: THEIR file (optional)
 431                                 // This is the same format CAppUtils::StartExtDiff
 432                                 // uses if %base and %mine are not set and most
 433                                 // other diff tools use it too.
 434                                 if ( PathFileExists(szArglist[1]) && PathFileExists(szArglist[2]) )
 435                                 {
 436                                         pFrame->m_Data.m_baseFile.SetFileName(szArglist[1]);
 437                                         pFrame->m_Data.m_yourFile.SetFileName(szArglist[2]);
 438                                         if ( nArgs == 4 && PathFileExists(szArglist[3]) )
 439                                         {
 440                                                 pFrame->m_Data.m_theirFile.SetFileName(szArglist[3]);
 441                                         }
 442                                 }
 443                         }
 444                 }
 445
 446                 // Free memory allocated for CommandLineToArgvW arguments.
 447                 LocalFree(szArglist);
 448         }
 449
 450         pFrame->m_bReadOnly = !!parser.HasKey(_T("readonly"));
 451         if (GetFileAttributes(pFrame->m_Data.m_yourFile.GetFilename()) & FILE_ATTRIBUTE_READONLY)
 452                 pFrame->m_bReadOnly = true;
 453         pFrame->m_bBlame = !!parser.HasKey(_T("blame"));
 454         // diffing a blame means no editing!
 455         if (pFrame->m_bBlame)
 456                 pFrame->m_bReadOnly = true;
 457
 458         pFrame->SetWindowTitle();
 459
 460         if (parser.HasKey(_T("createunifieddiff")))
 461         {
 462                 // user requested to create a unified diff file
 463                 CString origFile = parser.GetVal(_T("origfile"));
 464                 CString modifiedFile = parser.GetVal(_T("modifiedfile"));
 465                 if (!origFile.IsEmpty() && !modifiedFile.IsEmpty())
 466                 {
 467                         CString outfile = parser.GetVal(_T("outfile"));
 468                         if (outfile.IsEmpty())
 469                         {
 470                                 CCommonAppUtils::FileOpenSave(outfile, NULL, IDS_SAVEASTITLE, IDS_COMMONFILEFILTER, false, NULL);
 471                         }
 472                         if (!outfile.IsEmpty())
 473                         {
 474                                 CAppUtils::CreateUnifiedDiff(origFile, modifiedFile, outfile, false);
 475                                 return FALSE;
 476                         }
 477                 }
 478         }
 479
 480 #if 0
 481         pFrame->resolveMsgWnd    = parser.HasVal(L"resolvemsghwnd")   ? (HWND)parser.GetLongLongVal(L"resolvemsghwnd")     : 0;
 482         pFrame->resolveMsgWParam = parser.HasVal(L"resolvemsgwparam") ? (WPARAM)parser.GetLongLongVal(L"resolvemsgwparam") : 0;
 483         pFrame->resolveMsgLParam = parser.HasVal(L"resolvemsglparam") ? (LPARAM)parser.GetLongLongVal(L"resolvemsglparam") : 0;
 484 #endif
 485
 486         // The one and only window has been initialized, so show and update it
 487         pFrame->ActivateFrame();
 488         pFrame->ShowWindow(SW_SHOW);
 489         pFrame->UpdateWindow();
 490         pFrame->ShowDiffBar(!pFrame->m_bOneWay);
 491         if (!pFrame->m_Data.IsBaseFileInUse() && pFrame->m_Data.m_sPatchPath.IsEmpty() && pFrame->m_Data.m_sDiffFile.IsEmpty())
 492         {
 493                 pFrame->OnFileOpen();
 494                 return TRUE;
 495         }
 496
 497         int line = -2;
 498         if (parser.HasVal(_T("line")))
 499         {
 500                 line = parser.GetLongVal(_T("line"));
 501                 line--; // we need the index
 502         }
 503
 504         return pFrame->LoadViews(line);
 505 }
 506
 507 // CTortoiseMergeApp message handlers
 508
 509 void CTortoiseMergeApp::OnAppAbout()
 510 {
 511         CAboutDlg aboutDlg;
 512         aboutDlg.DoModal();
 513 }
 514
 515 UINT_PTR CALLBACK
 516 CTortoiseMergeApp::CreatePatchFileOpenHook(HWND hDlg, UINT uiMsg, WPARAM wParam, LPARAM /*lParam*/)
 517 {
 518         if(uiMsg == WM_COMMAND && LOWORD(wParam) == IDC_PATCH_TO_CLIPBOARD)
 519         {
 520                 HWND hFileDialog = GetParent(hDlg);
 521
 522                 // if there's a patchfile in the clipboard, we save it
 523                 // to a temporary file and tell TortoiseMerge to use that one
 524                 std::wstring sTempFile;
 525                 if (TrySavePatchFromClipboard(sTempFile))
 526                 {
 527                         CommDlg_OpenSave_SetControlText(hFileDialog, edt1, sTempFile.c_str());
 528                         PostMessage(hFileDialog, WM_COMMAND, MAKEWPARAM(IDOK, BM_CLICK), (LPARAM)(GetDlgItem(hDlg, IDOK)));
 529                 }
 530         }
 531         return 0;
 532 }
 533
 534 int CTortoiseMergeApp::ExitInstance()
 535 {
 536         // Look for temporary files left around by TortoiseMerge and
 537         // remove them. But only delete 'old' files
 538         CTempFiles::DeleteOldTempFiles(_T("*tsm*.*"));
 539
 540         return CWinAppEx::ExitInstance();
 541 }
 542
 543 bool CTortoiseMergeApp::HasClipboardPatch()
 544 {
 545         // check if there's a patchfile in the clipboard
 546         const UINT cFormat = RegisterClipboardFormat(_T("TSVN_UNIFIEDDIFF"));
 547         if (cFormat == 0)
 548                 return false;
 549
 550         if (OpenClipboard(NULL) == 0)
 551                 return false;
 552
 553         bool containsPatch = false;
 554         UINT enumFormat = 0;
 555         do
 556         {
 557                 if (enumFormat == cFormat)
 558                 {
 559                         containsPatch = true;   // yes, there's a patchfile in the clipboard
 560                 }
 561         } while((enumFormat = EnumClipboardFormats(enumFormat))!=0);
 562         CloseClipboard();
 563
 564         return containsPatch;
 565 }
 566
 567 bool CTortoiseMergeApp::TrySavePatchFromClipboard(std::wstring& resultFile)
 568 {
 569         resultFile.clear();
 570
 571         UINT cFormat = RegisterClipboardFormat(_T("TSVN_UNIFIEDDIFF"));
 572         if (cFormat == 0)
 573                 return false;
 574         if (OpenClipboard(NULL) == 0)
 575                 return false;
 576
 577         HGLOBAL hglb = GetClipboardData(cFormat);
 578         LPCSTR lpstr = (LPCSTR)GlobalLock(hglb);
 579
 580         DWORD len = GetTempPath(0, NULL);
 581         std::unique_ptr<TCHAR[]> path(new TCHAR[len+1]);
 582         std::unique_ptr<TCHAR[]> tempF(new TCHAR[len+100]);
 583         GetTempPath (len+1, path.get());
 584         GetTempFileName (path.get(), _T("tsm"), 0, tempF.get());
 585         std::wstring sTempFile = std::wstring(tempF.get());
 586
 587         FILE* outFile = 0;
 588         _tfopen_s(&outFile, sTempFile.c_str(), _T("wb"));
 589         if (outFile != 0)
 590         {
 591                 size_t patchlen = strlen(lpstr);
 592                 size_t size = fwrite(lpstr, sizeof(char), patchlen, outFile);
 593                 if (size == patchlen)
 594                          resultFile = sTempFile;
 595
 596                 fclose(outFile);
 597         }
 598         GlobalUnlock(hglb);
 599         CloseClipboard();
 600
 601         return !resultFile.empty();
 602 }