src/TortoiseMerge/TortoiseMerge.cpp

   1 // TortoiseGitMerge - a Diff/Patch program
   2
   3 // Copyright (C) 2013-2015 - TortoiseGit
   4 // Copyright (C) 2006-2014 - 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         git_libgit2_init();
  73 }
  74
  75 CTortoiseMergeApp::~CTortoiseMergeApp()
  76 {
  77         git_libgit2_shutdown();
  78 }
  79
  80 // The one and only CTortoiseMergeApp object
  81 CTortoiseMergeApp theApp;
  82 CString sOrigCWD;
  83 #if ENABLE_CRASHHANLDER
  84 CCrashReportTGit g_crasher(L"TortoiseGitMerge " _T(APP_X64_STRING), TGIT_VERMAJOR, TGIT_VERMINOR, TGIT_VERMICRO, TGIT_VERBUILD, TGIT_VERDATE);
  85 #endif
  86
  87 CString g_sGroupingUUID;
  88 CString g_sGroupingIcon;
  89 bool g_bGroupingRemoveIcon = false;
  90
  91 // CTortoiseMergeApp initialization
  92 BOOL CTortoiseMergeApp::InitInstance()
  93 {
  94         SetDllDirectory(L"");
  95         SetTaskIDPerUUID();
  96         CCrashReport::Instance().AddUserInfoToReport(L"CommandLine", GetCommandLine());
  97
  98         {
  99                 DWORD len = GetCurrentDirectory(0, NULL);
 100                 if (len)
 101                 {
 102                         std::unique_ptr<TCHAR[]> originalCurrentDirectory(new TCHAR[len]);
 103                         if (GetCurrentDirectory(len, originalCurrentDirectory.get()))
 104                         {
 105                                 sOrigCWD = originalCurrentDirectory.get();
 106                                 sOrigCWD = CPathUtils::GetLongPathname(sOrigCWD);
 107                         }
 108                 }
 109         }
 110
 111         //set the resource dll for the required language
 112         CRegDWORD loc = CRegDWORD(_T("Software\\TortoiseGit\\LanguageID"), 1033);
 113         long langId = loc;
 114         CString langDll;
 115         HINSTANCE hInst = NULL;
 116         do
 117         {
 118                 langDll.Format(_T("%sLanguages\\TortoiseMerge%ld.dll"), (LPCTSTR)CPathUtils::GetAppParentDirectory(), langId);
 119
 120                 hInst = LoadLibrary(langDll);
 121                 CString sVer = _T(STRPRODUCTVER);
 122                 CString sFileVer = CPathUtils::GetVersionFromFile(langDll);
 123                 if (sFileVer.Compare(sVer)!=0)
 124                 {
 125                         FreeLibrary(hInst);
 126                         hInst = NULL;
 127                 }
 128                 if (hInst != NULL)
 129                         AfxSetResourceHandle(hInst);
 130                 else
 131                 {
 132                         DWORD lid = SUBLANGID(langId);
 133                         lid--;
 134                         if (lid > 0)
 135                         {
 136                                 langId = MAKELANGID(PRIMARYLANGID(langId), lid);
 137                         }
 138                         else
 139                                 langId = 0;
 140                 }
 141         } while ((hInst == NULL) && (langId != 0));
 142         TCHAR buf[6] = { 0 };
 143         _tcscpy_s(buf, _T("en"));
 144         langId = loc;
 145         CString sHelppath = CPathUtils::GetAppDirectory() + _T("TortoiseMerge_en.chm");
 146         free((void*)m_pszHelpFilePath);
 147         m_pszHelpFilePath=_tcsdup(sHelppath);
 148         sHelppath = CPathUtils::GetAppParentDirectory() + _T("Languages\\TortoiseMerge_en.chm");
 149         do
 150         {
 151                 GetLocaleInfo(MAKELCID(langId, SORT_DEFAULT), LOCALE_SISO639LANGNAME, buf, _countof(buf));
 152                 CString sLang = _T("_");
 153                 sLang += buf;
 154                 sHelppath.Replace(_T("_en"), sLang);
 155                 if (PathFileExists(sHelppath))
 156                 {
 157                         free((void*)m_pszHelpFilePath);
 158                         m_pszHelpFilePath=_tcsdup(sHelppath);
 159                         break;
 160                 }
 161                 sHelppath.Replace(sLang, _T("_en"));
 162                 GetLocaleInfo(MAKELCID(langId, SORT_DEFAULT), LOCALE_SISO3166CTRYNAME, buf, _countof(buf));
 163                 sLang += _T("_");
 164                 sLang += buf;
 165                 sHelppath.Replace(_T("_en"), sLang);
 166                 if (PathFileExists(sHelppath))
 167                 {
 168                         free((void*)m_pszHelpFilePath);
 169                         m_pszHelpFilePath=_tcsdup(sHelppath);
 170                         break;
 171                 }
 172                 sHelppath.Replace(sLang, _T("_en"));
 173
 174                 DWORD lid = SUBLANGID(langId);
 175                 lid--;
 176                 if (lid > 0)
 177                 {
 178                         langId = MAKELANGID(PRIMARYLANGID(langId), lid);
 179                 }
 180                 else
 181                         langId = 0;
 182         } while (langId);
 183         setlocale(LC_ALL, "");
 184         // We need to explicitly set the thread locale to the system default one to avoid possible problems with saving files in its original codepage
 185         // The problems occures when the language of OS differs from the regional settings
 186         // See the details here: http://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?FeedbackID=100887
 187         SetThreadLocale(LOCALE_SYSTEM_DEFAULT);
 188
 189         // InitCommonControls() is required on Windows XP if an application
 190         // manifest specifies use of ComCtl32.dll version 6 or later to enable
 191         // visual styles.  Otherwise, any window creation will fail.
 192         InitCommonControls();
 193
 194         CMFCVisualManager::SetDefaultManager(RUNTIME_CLASS(CMFCVisualManagerWindows));
 195         CMFCButton::EnableWindowsTheming();
 196         EnableTaskbarInteraction(FALSE);
 197
 198         // Initialize all Managers for usage. They are automatically constructed
 199         // if not yet present
 200         InitContextMenuManager();
 201         InitKeyboardManager();
 202         InitTooltipManager ();
 203         CMFCToolTipInfo params;
 204         params.m_bVislManagerTheme = TRUE;
 205
 206         GetTooltipManager ()->SetTooltipParams (
 207                 AFX_TOOLTIP_TYPE_ALL,
 208                 RUNTIME_CLASS (CMFCToolTipCtrl),
 209                 &params);
 210
 211         CCmdLineParser parser = CCmdLineParser(this->m_lpCmdLine);
 212
 213         g_sGroupingUUID = parser.GetVal(L"groupuuid");
 214
 215         if (parser.HasKey(_T("?")) || parser.HasKey(_T("help")))
 216         {
 217                 CString sHelpText;
 218                 sHelpText.LoadString(IDS_COMMANDLINEHELP);
 219                 MessageBox(NULL, sHelpText, _T("TortoiseGitMerge"), MB_ICONINFORMATION);
 220                 return FALSE;
 221         }
 222
 223         // Initialize OLE libraries
 224         if (!AfxOleInit())
 225         {
 226                 AfxMessageBox(IDP_OLE_INIT_FAILED);
 227                 return FALSE;
 228         }
 229         AfxEnableControlContainer();
 230         // Standard initialization
 231         // If you are not using these features and wish to reduce the size
 232         // of your final executable, you should remove from the following
 233         // the specific initialization routines you do not need
 234         // Change the registry key under which our settings are stored
 235         SetRegistryKey(_T("TortoiseGitMerge"));
 236
 237         if (CRegDWORD(_T("Software\\TortoiseGitMerge\\Debug"), FALSE)==TRUE)
 238                 AfxMessageBox(AfxGetApp()->m_lpCmdLine, MB_OK | MB_ICONINFORMATION);
 239
 240         // To create the main window, this code creates a new frame window
 241         // object and then sets it as the application's main window object
 242         CMainFrame* pFrame = new CMainFrame;
 243         if (pFrame == NULL)
 244                 return FALSE;
 245         m_pMainWnd = pFrame;
 246
 247         // create and load the frame with its resources
 248         if (!pFrame->LoadFrame(IDR_MAINFRAME, WS_OVERLAPPEDWINDOW | FWS_ADDTOTITLE, NULL, NULL))
 249                 return FALSE;
 250
 251         // Fill in the command line options
 252         pFrame->m_Data.m_baseFile.SetFileName(parser.GetVal(_T("base")));
 253         pFrame->m_Data.m_baseFile.SetDescriptiveName(parser.GetVal(_T("basename")));
 254         pFrame->m_Data.m_baseFile.SetReflectedName(parser.GetVal(_T("basereflectedname")));
 255         pFrame->m_Data.m_theirFile.SetFileName(parser.GetVal(_T("theirs")));
 256         pFrame->m_Data.m_theirFile.SetDescriptiveName(parser.GetVal(_T("theirsname")));
 257         pFrame->m_Data.m_theirFile.SetReflectedName(parser.GetVal(_T("theirsreflectedname")));
 258         pFrame->m_Data.m_yourFile.SetFileName(parser.GetVal(_T("mine")));
 259         pFrame->m_Data.m_yourFile.SetDescriptiveName(parser.GetVal(_T("minename")));
 260         pFrame->m_Data.m_yourFile.SetReflectedName(parser.GetVal(_T("minereflectedname")));
 261         pFrame->m_Data.m_mergedFile.SetFileName(parser.GetVal(_T("merged")));
 262         pFrame->m_Data.m_mergedFile.SetDescriptiveName(parser.GetVal(_T("mergedname")));
 263         pFrame->m_Data.m_mergedFile.SetReflectedName(parser.GetVal(_T("mergedreflectedname")));
 264         pFrame->m_Data.m_sPatchPath = parser.HasVal(_T("patchpath")) ? parser.GetVal(_T("patchpath")) : _T("");
 265         pFrame->m_Data.m_sPatchPath.Replace('/', '\\');
 266         if (parser.HasKey(_T("patchoriginal")))
 267                 pFrame->m_Data.m_sPatchOriginal = parser.GetVal(_T("patchoriginal"));
 268         if (parser.HasKey(_T("patchpatched")))
 269                 pFrame->m_Data.m_sPatchPatched = parser.GetVal(_T("patchpatched"));
 270         pFrame->m_Data.m_sDiffFile = parser.GetVal(_T("diff"));
 271         pFrame->m_Data.m_sDiffFile.Replace('/', '\\');
 272         if (parser.HasKey(_T("oneway")))
 273                 pFrame->m_bOneWay = TRUE;
 274         if (parser.HasKey(_T("diff")))
 275                 pFrame->m_bOneWay = FALSE;
 276         if (parser.HasKey(_T("reversedpatch")))
 277                 pFrame->m_bReversedPatch = TRUE;
 278         if (parser.HasKey(_T("saverequired")))
 279                 pFrame->m_bSaveRequired = true;
 280         if (parser.HasKey(_T("saverequiredonconflicts")))
 281                 pFrame->m_bSaveRequiredOnConflicts = true;
 282         if (parser.HasKey(_T("deletebasetheirsmineonclose")))
 283                 pFrame->m_bDeleteBaseTheirsMineOnClose = true;
 284         if (pFrame->m_Data.IsBaseFileInUse() && !pFrame->m_Data.IsYourFileInUse() && pFrame->m_Data.IsTheirFileInUse())
 285         {
 286                 pFrame->m_Data.m_yourFile.TransferDetailsFrom(pFrame->m_Data.m_theirFile);
 287         }
 288
 289         if ((!parser.HasKey(_T("patchpath")))&&(parser.HasVal(_T("diff"))))
 290         {
 291                 // a patchfile was given, but not folder path to apply the patch to
 292                 // If the patchfile is located inside a working copy, then use the parent directory
 293                 // of the patchfile as the target directory, otherwise ask the user for a path.
 294                 if (parser.HasKey(_T("wc")))
 295                         pFrame->m_Data.m_sPatchPath = pFrame->m_Data.m_sDiffFile.Left(pFrame->m_Data.m_sDiffFile.ReverseFind('\\'));
 296                 else
 297                 {
 298                         CBrowseFolder fbrowser;
 299                         fbrowser.m_style = BIF_EDITBOX | BIF_NEWDIALOGSTYLE | BIF_RETURNFSANCESTORS | BIF_RETURNONLYFSDIRS;
 300                         if (fbrowser.Show(NULL, pFrame->m_Data.m_sPatchPath)==CBrowseFolder::CANCEL)
 301                                 return FALSE;
 302                 }
 303         }
 304
 305         if ((parser.HasKey(_T("patchpath")))&&(!parser.HasVal(_T("diff"))))
 306         {
 307                 // A path was given for applying a patchfile, but
 308                 // the patchfile itself was not.
 309                 // So ask the user for that patchfile
 310
 311                 HRESULT hr;
 312                 // Create a new common save file dialog
 313                 CComPtr<IFileOpenDialog> pfd = NULL;
 314                 hr = pfd.CoCreateInstance(CLSID_FileOpenDialog, NULL, CLSCTX_INPROC_SERVER);
 315                 if (SUCCEEDED(hr))
 316                 {
 317                         // Set the dialog options
 318                         DWORD dwOptions;
 319                         if (SUCCEEDED(hr = pfd->GetOptions(&dwOptions)))
 320                         {
 321                                 hr = pfd->SetOptions(dwOptions | FOS_FILEMUSTEXIST | FOS_FORCEFILESYSTEM | FOS_PATHMUSTEXIST);
 322                         }
 323
 324                         // Set a title
 325                         if (SUCCEEDED(hr))
 326                         {
 327                                 CString temp;
 328                                 temp.LoadString(IDS_OPENDIFFFILETITLE);
 329                                 pfd->SetTitle(temp);
 330                         }
 331                         CSelectFileFilter fileFilter(IDS_PATCHFILEFILTER);
 332                         hr = pfd->SetFileTypes(fileFilter.GetCount(), fileFilter);
 333                         bool bAdvised = false;
 334                         DWORD dwCookie = 0;
 335                         CComObjectStackEx<PatchOpenDlgEventHandler> cbk;
 336                         CComQIPtr<IFileDialogEvents> pEvents = cbk.GetUnknown();
 337
 338                         {
 339                                 CComPtr<IFileDialogCustomize> pfdCustomize;
 340                                 hr = pfd->QueryInterface(IID_PPV_ARGS(&pfdCustomize));
 341                                 if (SUCCEEDED(hr))
 342                                 {
 343                                         // check if there's a unified diff on the clipboard and
 344                                         // add a button to the fileopen dialog if there is.
 345                                         UINT cFormat = RegisterClipboardFormat(_T("TSVN_UNIFIEDDIFF"));
 346                                         if ((cFormat)&&(OpenClipboard(NULL)))
 347                                         {
 348                                                 HGLOBAL hglb = GetClipboardData(cFormat);
 349                                                 if (hglb)
 350                                                 {
 351                                                         pfdCustomize->AddPushButton(101, CString(MAKEINTRESOURCE(IDS_PATCH_COPYFROMCLIPBOARD)));
 352                                                         hr = pfd->Advise(pEvents, &dwCookie);
 353                                                         bAdvised = SUCCEEDED(hr);
 354                                                 }
 355                                                 CloseClipboard();
 356                                         }
 357                                 }
 358                         }
 359
 360                         // Show the save file dialog
 361                         if (SUCCEEDED(hr) && SUCCEEDED(hr = pfd->Show(pFrame->m_hWnd)))
 362                         {
 363                                 // Get the selection from the user
 364                                 CComPtr<IShellItem> psiResult = NULL;
 365                                 hr = pfd->GetResult(&psiResult);
 366                                 if (bAdvised)
 367                                         pfd->Unadvise(dwCookie);
 368                                 if (SUCCEEDED(hr))
 369                                 {
 370                                         PWSTR pszPath = NULL;
 371                                         hr = psiResult->GetDisplayName(SIGDN_FILESYSPATH, &pszPath);
 372                                         if (SUCCEEDED(hr))
 373                                         {
 374                                                 pFrame->m_Data.m_sDiffFile = pszPath;
 375                                                 CoTaskMemFree(pszPath);
 376                                         }
 377                                 }
 378                                 else
 379                                 {
 380                                         // no result, which means we closed the dialog in our button handler
 381                                         std::wstring sTempFile;
 382                                         if (TrySavePatchFromClipboard(sTempFile))
 383                                                 pFrame->m_Data.m_sDiffFile = sTempFile.c_str();
 384                                 }
 385                         }
 386                         else
 387                         {
 388                                 if (bAdvised)
 389                                         pfd->Unadvise(dwCookie);
 390                                 return FALSE;
 391                         }
 392                 }
 393                 else
 394                 {
 395                         OPENFILENAME ofn = {0};         // common dialog box structure
 396                         TCHAR szFile[MAX_PATH] = {0};   // buffer for file name
 397                         // Initialize OPENFILENAME
 398                         ofn.lStructSize = sizeof(OPENFILENAME);
 399                         ofn.hwndOwner = pFrame->m_hWnd;
 400                         ofn.lpstrFile = szFile;
 401                         ofn.nMaxFile = _countof(szFile);
 402                         CString temp;
 403                         temp.LoadString(IDS_OPENDIFFFILETITLE);
 404                         if (temp.IsEmpty())
 405                                 ofn.lpstrTitle = NULL;
 406                         else
 407                                 ofn.lpstrTitle = temp;
 408
 409                         ofn.Flags = OFN_FILEMUSTEXIST | OFN_PATHMUSTEXIST | OFN_HIDEREADONLY | OFN_EXPLORER;
 410                         if( HasClipboardPatch() ) {
 411                                 ofn.Flags |= ( OFN_ENABLETEMPLATE | OFN_ENABLEHOOK );
 412                                 ofn.hInstance = AfxGetResourceHandle();
 413                                 ofn.lpTemplateName = MAKEINTRESOURCE(IDD_PATCH_FILE_OPEN_CUSTOM);
 414                                 ofn.lpfnHook = CreatePatchFileOpenHook;
 415                         }
 416
 417                         CSelectFileFilter fileFilter(IDS_PATCHFILEFILTER);
 418                         ofn.lpstrFilter = fileFilter;
 419                         ofn.nFilterIndex = 1;
 420
 421                         // Display the Open dialog box.
 422                         if (GetOpenFileName(&ofn)==FALSE)
 423                         {
 424                                 return FALSE;
 425                         }
 426                         pFrame->m_Data.m_sDiffFile = ofn.lpstrFile;
 427                 }
 428         }
 429
 430         if ( pFrame->m_Data.m_baseFile.GetFilename().IsEmpty() && pFrame->m_Data.m_yourFile.GetFilename().IsEmpty() )
 431         {
 432                 int nArgs;
 433                 LPWSTR *szArglist = CommandLineToArgvW(GetCommandLineW(), &nArgs);
 434                 if( NULL == szArglist )
 435                 {
 436                         TRACE("CommandLineToArgvW failed\n");
 437                 }
 438                 else
 439                 {
 440                         if ( nArgs==3 || nArgs==4 )
 441                         {
 442                                 // Four parameters:
 443                                 // [0]: Program name
 444                                 // [1]: BASE file
 445                                 // [2]: my file
 446                                 // [3]: THEIR file (optional)
 447                                 // This is the same format CAppUtils::StartExtDiff
 448                                 // uses if %base and %mine are not set and most
 449                                 // other diff tools use it too.
 450                                 if ( PathFileExists(szArglist[1]) && PathFileExists(szArglist[2]) )
 451                                 {
 452                                         pFrame->m_Data.m_baseFile.SetFileName(szArglist[1]);
 453                                         pFrame->m_Data.m_yourFile.SetFileName(szArglist[2]);
 454                                         if ( nArgs == 4 && PathFileExists(szArglist[3]) )
 455                                         {
 456                                                 pFrame->m_Data.m_theirFile.SetFileName(szArglist[3]);
 457                                         }
 458                                 }
 459                         }
 460                         else if (nArgs == 2)
 461                         {
 462                                 // only one path specified: use it to fill the "open" dialog
 463                                 if (PathFileExists(szArglist[1]))
 464                                 {
 465                                         pFrame->m_Data.m_yourFile.SetFileName(szArglist[1]);
 466                                         pFrame->m_Data.m_yourFile.StoreFileAttributes();
 467                                 }
 468                         }
 469                 }
 470
 471                 // Free memory allocated for CommandLineToArgvW arguments.
 472                 LocalFree(szArglist);
 473         }
 474
 475         pFrame->m_bReadOnly = !!parser.HasKey(_T("readonly"));
 476         if (GetFileAttributes(pFrame->m_Data.m_yourFile.GetFilename()) & FILE_ATTRIBUTE_READONLY)
 477                 pFrame->m_bReadOnly = true;
 478         pFrame->m_bBlame = !!parser.HasKey(_T("blame"));
 479         // diffing a blame means no editing!
 480         if (pFrame->m_bBlame)
 481                 pFrame->m_bReadOnly = true;
 482
 483         pFrame->SetWindowTitle();
 484
 485         if (parser.HasKey(_T("createunifieddiff")))
 486         {
 487                 // user requested to create a unified diff file
 488                 CString origFile = parser.GetVal(_T("origfile"));
 489                 CString modifiedFile = parser.GetVal(_T("modifiedfile"));
 490                 if (!origFile.IsEmpty() && !modifiedFile.IsEmpty())
 491                 {
 492                         CString outfile = parser.GetVal(_T("outfile"));
 493                         if (outfile.IsEmpty())
 494                         {
 495                                 CCommonAppUtils::FileOpenSave(outfile, NULL, IDS_SAVEASTITLE, IDS_COMMONFILEFILTER, false, NULL);
 496                         }
 497                         if (!outfile.IsEmpty())
 498                         {
 499                                 CRegStdDWORD regContextLines(L"Software\\TortoiseGitMerge\\ContextLines", (DWORD)-1);
 500                                 CAppUtils::CreateUnifiedDiff(origFile, modifiedFile, outfile, regContextLines, false);
 501                                 return FALSE;
 502                         }
 503                 }
 504         }
 505
 506         pFrame->resolveMsgWnd    = parser.HasVal(L"resolvemsghwnd")   ? (HWND)parser.GetLongLongVal(L"resolvemsghwnd")     : 0;
 507         pFrame->resolveMsgWParam = parser.HasVal(L"resolvemsgwparam") ? (WPARAM)parser.GetLongLongVal(L"resolvemsgwparam") : 0;
 508         pFrame->resolveMsgLParam = parser.HasVal(L"resolvemsglparam") ? (LPARAM)parser.GetLongLongVal(L"resolvemsglparam") : 0;
 509
 510         // The one and only window has been initialized, so show and update it
 511         pFrame->ActivateFrame();
 512         pFrame->ShowWindow(SW_SHOW);
 513         pFrame->UpdateWindow();
 514         pFrame->ShowDiffBar(!pFrame->m_bOneWay);
 515         if (!pFrame->m_Data.IsBaseFileInUse() && pFrame->m_Data.m_sPatchPath.IsEmpty() && pFrame->m_Data.m_sDiffFile.IsEmpty())
 516         {
 517                 pFrame->OnFileOpen(pFrame->m_Data.m_yourFile.InUse());
 518                 return TRUE;
 519         }
 520
 521         int line = -2;
 522         if (parser.HasVal(_T("line")))
 523         {
 524                 line = parser.GetLongVal(_T("line"));
 525                 line--; // we need the index
 526         }
 527
 528         return pFrame->LoadViews(line);
 529 }
 530
 531 // CTortoiseMergeApp message handlers
 532
 533 void CTortoiseMergeApp::OnAppAbout()
 534 {
 535         CAboutDlg aboutDlg;
 536         aboutDlg.DoModal();
 537 }
 538
 539 UINT_PTR CALLBACK
 540 CTortoiseMergeApp::CreatePatchFileOpenHook(HWND hDlg, UINT uiMsg, WPARAM wParam, LPARAM /*lParam*/)
 541 {
 542         if(uiMsg == WM_COMMAND && LOWORD(wParam) == IDC_PATCH_TO_CLIPBOARD)
 543         {
 544                 HWND hFileDialog = GetParent(hDlg);
 545
 546                 // if there's a patchfile in the clipboard, we save it
 547                 // to a temporary file and tell TortoiseMerge to use that one
 548                 std::wstring sTempFile;
 549                 if (TrySavePatchFromClipboard(sTempFile))
 550                 {
 551                         CommDlg_OpenSave_SetControlText(hFileDialog, edt1, sTempFile.c_str());
 552                         PostMessage(hFileDialog, WM_COMMAND, MAKEWPARAM(IDOK, BM_CLICK), (LPARAM)(GetDlgItem(hDlg, IDOK)));
 553                 }
 554         }
 555         return 0;
 556 }
 557
 558 int CTortoiseMergeApp::ExitInstance()
 559 {
 560         // Look for temporary files left around by TortoiseMerge and
 561         // remove them. But only delete 'old' files
 562         CTempFiles::DeleteOldTempFiles(_T("*tsm*.*"));
 563
 564         return CWinAppEx::ExitInstance();
 565 }
 566
 567 bool CTortoiseMergeApp::HasClipboardPatch()
 568 {
 569         // check if there's a patchfile in the clipboard
 570         const UINT cFormat = RegisterClipboardFormat(_T("TSVN_UNIFIEDDIFF"));
 571         if (cFormat == 0)
 572                 return false;
 573
 574         if (OpenClipboard(NULL) == 0)
 575                 return false;
 576
 577         bool containsPatch = false;
 578         UINT enumFormat = 0;
 579         do
 580         {
 581                 if (enumFormat == cFormat)
 582                 {
 583                         containsPatch = true;   // yes, there's a patchfile in the clipboard
 584                 }
 585         } while((enumFormat = EnumClipboardFormats(enumFormat))!=0);
 586         CloseClipboard();
 587
 588         return containsPatch;
 589 }
 590
 591 bool CTortoiseMergeApp::TrySavePatchFromClipboard(std::wstring& resultFile)
 592 {
 593         resultFile.clear();
 594
 595         UINT cFormat = RegisterClipboardFormat(_T("TSVN_UNIFIEDDIFF"));
 596         if (cFormat == 0)
 597                 return false;
 598         if (OpenClipboard(NULL) == 0)
 599                 return false;
 600
 601         HGLOBAL hglb = GetClipboardData(cFormat);
 602         LPCSTR lpstr = (LPCSTR)GlobalLock(hglb);
 603
 604         DWORD len = GetTempPath(0, NULL);
 605         std::unique_ptr<TCHAR[]> path(new TCHAR[len+1]);
 606         std::unique_ptr<TCHAR[]> tempF(new TCHAR[len+100]);
 607         GetTempPath (len+1, path.get());
 608         GetTempFileName (path.get(), _T("tsm"), 0, tempF.get());
 609         std::wstring sTempFile = std::wstring(tempF.get());
 610
 611         FILE* outFile = 0;
 612         _tfopen_s(&outFile, sTempFile.c_str(), _T("wb"));
 613         if (outFile != 0)
 614         {
 615                 size_t patchlen = strlen(lpstr);
 616                 size_t size = fwrite(lpstr, sizeof(char), patchlen, outFile);
 617                 if (size == patchlen)
 618                          resultFile = sTempFile;
 619
 620                 fclose(outFile);
 621         }
 622         GlobalUnlock(hglb);
 623         CloseClipboard();
 624
 625         return !resultFile.empty();
 626 }