src/TortoiseMerge/TortoiseMerge.cpp

   1 // TortoiseGitMerge - a Diff/Patch program
   2
   3 // Copyright (C) 2013-2014 - 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 #include "git2/threads.h"
  36
  37 #ifdef _DEBUG
  38 #define new DEBUG_NEW
  39 #endif
  40
  41 #pragma comment(linker, "\"/manifestdependency:type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'\"")
  42
  43 BEGIN_MESSAGE_MAP(CTortoiseMergeApp, CWinAppEx)
  44         ON_COMMAND(ID_APP_ABOUT, OnAppAbout)
  45 END_MESSAGE_MAP()
  46
  47 class PatchOpenDlgEventHandler : public CFileDlgEventHandler
  48 {
  49 public:
  50         PatchOpenDlgEventHandler() {}
  51         ~PatchOpenDlgEventHandler() {}
  52
  53         virtual STDMETHODIMP OnButtonClicked(IFileDialogCustomize* pfdc, DWORD dwIDCtl)
  54         {
  55                 if (dwIDCtl == 101)
  56                 {
  57                         CComQIPtr<IFileOpenDialog> pDlg = pfdc;
  58                         if (pDlg)
  59                         {
  60                                 pDlg->Close(S_OK);
  61                         }
  62                 }
  63                 return S_OK;
  64         }
  65 };
  66
  67
  68 CTortoiseMergeApp::CTortoiseMergeApp()
  69         : m_nAppLook(0)
  70 {
  71         EnableHtmlHelp();
  72         m_bHiColorIcons = TRUE;
  73         git_threads_init();
  74 }
  75
  76 CTortoiseMergeApp::~CTortoiseMergeApp()
  77 {
  78         git_threads_shutdown();
  79 }
  80
  81 // The one and only CTortoiseMergeApp object
  82 CTortoiseMergeApp theApp;
  83 CString sOrigCWD;
  84 #if ENABLE_CRASHHANLDER
  85 CCrashReportTGit g_crasher(L"TortoiseGitMerge " _T(APP_X64_STRING), TGIT_VERMAJOR, TGIT_VERMINOR, TGIT_VERMICRO, TGIT_VERBUILD, TGIT_VERDATE);
  86 #endif
  87
  88 CString g_sGroupingUUID;
  89 CString g_sGroupingIcon;
  90 bool g_bGroupingRemoveIcon = false;
  91
  92 // CTortoiseMergeApp initialization
  93 BOOL CTortoiseMergeApp::InitInstance()
  94 {
  95         SetDllDirectory(L"");
  96         SetTaskIDPerUUID();
  97         CCrashReport::Instance().AddUserInfoToReport(L"CommandLine", GetCommandLine());
  98
  99         {
 100                 DWORD len = GetCurrentDirectory(0, NULL);
 101                 if (len)
 102                 {
 103                         std::unique_ptr<TCHAR[]> originalCurrentDirectory(new TCHAR[len]);
 104                         if (GetCurrentDirectory(len, originalCurrentDirectory.get()))
 105                         {
 106                                 sOrigCWD = originalCurrentDirectory.get();
 107                                 sOrigCWD = CPathUtils::GetLongPathname(sOrigCWD);
 108                         }
 109                 }
 110         }
 111
 112         //set the resource dll for the required language
 113         CRegDWORD loc = CRegDWORD(_T("Software\\TortoiseGit\\LanguageID"), 1033);
 114         long langId = loc;
 115         CString langDll;
 116         HINSTANCE hInst = NULL;
 117         do
 118         {
 119                 langDll.Format(_T("%sLanguages\\TortoiseMerge%ld.dll"), (LPCTSTR)CPathUtils::GetAppParentDirectory(), langId);
 120
 121                 hInst = LoadLibrary(langDll);
 122                 CString sVer = _T(STRPRODUCTVER);
 123                 CString sFileVer = CPathUtils::GetVersionFromFile(langDll);
 124                 if (sFileVer.Compare(sVer)!=0)
 125                 {
 126                         FreeLibrary(hInst);
 127                         hInst = NULL;
 128                 }
 129                 if (hInst != NULL)
 130                         AfxSetResourceHandle(hInst);
 131                 else
 132                 {
 133                         DWORD lid = SUBLANGID(langId);
 134                         lid--;
 135                         if (lid > 0)
 136                         {
 137                                 langId = MAKELANGID(PRIMARYLANGID(langId), lid);
 138                         }
 139                         else
 140                                 langId = 0;
 141                 }
 142         } while ((hInst == NULL) && (langId != 0));
 143         TCHAR buf[6] = { 0 };
 144         _tcscpy_s(buf, _T("en"));
 145         langId = loc;
 146         CString sHelppath = CPathUtils::GetAppDirectory() + _T("TortoiseMerge_en.chm");
 147         free((void*)m_pszHelpFilePath);
 148         m_pszHelpFilePath=_tcsdup(sHelppath);
 149         sHelppath = CPathUtils::GetAppParentDirectory() + _T("Languages\\TortoiseMerge_en.chm");
 150         do
 151         {
 152                 GetLocaleInfo(MAKELCID(langId, SORT_DEFAULT), LOCALE_SISO639LANGNAME, buf, _countof(buf));
 153                 CString sLang = _T("_");
 154                 sLang += buf;
 155                 sHelppath.Replace(_T("_en"), sLang);
 156                 if (PathFileExists(sHelppath))
 157                 {
 158                         free((void*)m_pszHelpFilePath);
 159                         m_pszHelpFilePath=_tcsdup(sHelppath);
 160                         break;
 161                 }
 162                 sHelppath.Replace(sLang, _T("_en"));
 163                 GetLocaleInfo(MAKELCID(langId, SORT_DEFAULT), LOCALE_SISO3166CTRYNAME, buf, _countof(buf));
 164                 sLang += _T("_");
 165                 sLang += buf;
 166                 sHelppath.Replace(_T("_en"), sLang);
 167                 if (PathFileExists(sHelppath))
 168                 {
 169                         free((void*)m_pszHelpFilePath);
 170                         m_pszHelpFilePath=_tcsdup(sHelppath);
 171                         break;
 172                 }
 173                 sHelppath.Replace(sLang, _T("_en"));
 174
 175                 DWORD lid = SUBLANGID(langId);
 176                 lid--;
 177                 if (lid > 0)
 178                 {
 179                         langId = MAKELANGID(PRIMARYLANGID(langId), lid);
 180                 }
 181                 else
 182                         langId = 0;
 183         } while (langId);
 184         setlocale(LC_ALL, "");
 185         // We need to explicitly set the thread locale to the system default one to avoid possible problems with saving files in its original codepage
 186         // The problems occures when the language of OS differs from the regional settings
 187         // See the details here: http://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?FeedbackID=100887
 188         SetThreadLocale(LOCALE_SYSTEM_DEFAULT);
 189
 190         // InitCommonControls() is required on Windows XP if an application
 191         // manifest specifies use of ComCtl32.dll version 6 or later to enable
 192         // visual styles.  Otherwise, any window creation will fail.
 193         InitCommonControls();
 194
 195         CMFCVisualManager::SetDefaultManager(RUNTIME_CLASS(CMFCVisualManagerWindows));
 196         CMFCButton::EnableWindowsTheming();
 197         EnableTaskbarInteraction(FALSE);
 198
 199         // Initialize all Managers for usage. They are automatically constructed
 200         // if not yet present
 201         InitContextMenuManager();
 202         InitKeyboardManager();
 203         InitTooltipManager ();
 204         CMFCToolTipInfo params;
 205         params.m_bVislManagerTheme = TRUE;
 206
 207         GetTooltipManager ()->SetTooltipParams (
 208                 AFX_TOOLTIP_TYPE_ALL,
 209                 RUNTIME_CLASS (CMFCToolTipCtrl),
 210                 &params);
 211
 212         CCmdLineParser parser = CCmdLineParser(this->m_lpCmdLine);
 213
 214         g_sGroupingUUID = parser.GetVal(L"groupuuid");
 215
 216         if (parser.HasKey(_T("?")) || parser.HasKey(_T("help")))
 217         {
 218                 CString sHelpText;
 219                 sHelpText.LoadString(IDS_COMMANDLINEHELP);
 220                 MessageBox(NULL, sHelpText, _T("TortoiseGitMerge"), MB_ICONINFORMATION);
 221                 return FALSE;
 222         }
 223
 224         // Initialize OLE libraries
 225         if (!AfxOleInit())
 226         {
 227                 AfxMessageBox(IDP_OLE_INIT_FAILED);
 228                 return FALSE;
 229         }
 230         AfxEnableControlContainer();
 231         // Standard initialization
 232         // If you are not using these features and wish to reduce the size
 233         // of your final executable, you should remove from the following
 234         // the specific initialization routines you do not need
 235         // Change the registry key under which our settings are stored
 236         SetRegistryKey(_T("TortoiseGitMerge"));
 237
 238         if (CRegDWORD(_T("Software\\TortoiseGitMerge\\Debug"), FALSE)==TRUE)
 239                 AfxMessageBox(AfxGetApp()->m_lpCmdLine, MB_OK | MB_ICONINFORMATION);
 240
 241         // To create the main window, this code creates a new frame window
 242         // object and then sets it as the application's main window object
 243         CMainFrame* pFrame = new CMainFrame;
 244         if (pFrame == NULL)
 245                 return FALSE;
 246         m_pMainWnd = pFrame;
 247
 248         // create and load the frame with its resources
 249         if (!pFrame->LoadFrame(IDR_MAINFRAME, WS_OVERLAPPEDWINDOW | FWS_ADDTOTITLE, NULL, NULL))
 250                 return FALSE;
 251
 252         // Fill in the command line options
 253         pFrame->m_Data.m_baseFile.SetFileName(parser.GetVal(_T("base")));
 254         pFrame->m_Data.m_baseFile.SetDescriptiveName(parser.GetVal(_T("basename")));
 255         pFrame->m_Data.m_baseFile.SetReflectedName(parser.GetVal(_T("basereflectedname")));
 256         pFrame->m_Data.m_theirFile.SetFileName(parser.GetVal(_T("theirs")));
 257         pFrame->m_Data.m_theirFile.SetDescriptiveName(parser.GetVal(_T("theirsname")));
 258         pFrame->m_Data.m_theirFile.SetReflectedName(parser.GetVal(_T("theirsreflectedname")));
 259         pFrame->m_Data.m_yourFile.SetFileName(parser.GetVal(_T("mine")));
 260         pFrame->m_Data.m_yourFile.SetDescriptiveName(parser.GetVal(_T("minename")));
 261         pFrame->m_Data.m_yourFile.SetReflectedName(parser.GetVal(_T("minereflectedname")));
 262         pFrame->m_Data.m_mergedFile.SetFileName(parser.GetVal(_T("merged")));
 263         pFrame->m_Data.m_mergedFile.SetDescriptiveName(parser.GetVal(_T("mergedname")));
 264         pFrame->m_Data.m_mergedFile.SetReflectedName(parser.GetVal(_T("mergedreflectedname")));
 265         pFrame->m_Data.m_sPatchPath = parser.HasVal(_T("patchpath")) ? parser.GetVal(_T("patchpath")) : _T("");
 266         pFrame->m_Data.m_sPatchPath.Replace('/', '\\');
 267         if (parser.HasKey(_T("patchoriginal")))
 268                 pFrame->m_Data.m_sPatchOriginal = parser.GetVal(_T("patchoriginal"));
 269         if (parser.HasKey(_T("patchpatched")))
 270                 pFrame->m_Data.m_sPatchPatched = parser.GetVal(_T("patchpatched"));
 271         pFrame->m_Data.m_sDiffFile = parser.GetVal(_T("diff"));
 272         pFrame->m_Data.m_sDiffFile.Replace('/', '\\');
 273         if (parser.HasKey(_T("oneway")))
 274                 pFrame->m_bOneWay = TRUE;
 275         if (parser.HasKey(_T("diff")))
 276                 pFrame->m_bOneWay = FALSE;
 277         if (parser.HasKey(_T("reversedpatch")))
 278                 pFrame->m_bReversedPatch = TRUE;
 279         if (parser.HasKey(_T("saverequired")))
 280                 pFrame->m_bSaveRequired = true;
 281         if (parser.HasKey(_T("saverequiredonconflicts")))
 282                 pFrame->m_bSaveRequiredOnConflicts = true;
 283         if (pFrame->m_Data.IsBaseFileInUse() && !pFrame->m_Data.IsYourFileInUse() && pFrame->m_Data.IsTheirFileInUse())
 284         {
 285                 pFrame->m_Data.m_yourFile.TransferDetailsFrom(pFrame->m_Data.m_theirFile);
 286         }
 287
 288         if ((!parser.HasKey(_T("patchpath")))&&(parser.HasVal(_T("diff"))))
 289         {
 290                 // a patchfile was given, but not folder path to apply the patch to
 291                 // If the patchfile is located inside a working copy, then use the parent directory
 292                 // of the patchfile as the target directory, otherwise ask the user for a path.
 293                 if (parser.HasKey(_T("wc")))
 294                         pFrame->m_Data.m_sPatchPath = pFrame->m_Data.m_sDiffFile.Left(pFrame->m_Data.m_sDiffFile.ReverseFind('\\'));
 295                 else
 296                 {
 297                         CBrowseFolder fbrowser;
 298                         fbrowser.m_style = BIF_EDITBOX | BIF_NEWDIALOGSTYLE | BIF_RETURNFSANCESTORS | BIF_RETURNONLYFSDIRS;
 299                         if (fbrowser.Show(NULL, pFrame->m_Data.m_sPatchPath)==CBrowseFolder::CANCEL)
 300                                 return FALSE;
 301                 }
 302         }
 303
 304         if ((parser.HasKey(_T("patchpath")))&&(!parser.HasVal(_T("diff"))))
 305         {
 306                 // A path was given for applying a patchfile, but
 307                 // the patchfile itself was not.
 308                 // So ask the user for that patchfile
 309
 310                 HRESULT hr;
 311                 // Create a new common save file dialog
 312                 CComPtr<IFileOpenDialog> pfd = NULL;
 313                 hr = pfd.CoCreateInstance(CLSID_FileOpenDialog, NULL, CLSCTX_INPROC_SERVER);
 314                 if (SUCCEEDED(hr))
 315                 {
 316                         // Set the dialog options
 317                         DWORD dwOptions;
 318                         if (SUCCEEDED(hr = pfd->GetOptions(&dwOptions)))
 319                         {
 320                                 hr = pfd->SetOptions(dwOptions | FOS_FILEMUSTEXIST | FOS_FORCEFILESYSTEM | FOS_PATHMUSTEXIST);
 321                         }
 322
 323                         // Set a title
 324                         if (SUCCEEDED(hr))
 325                         {
 326                                 CString temp;
 327                                 temp.LoadString(IDS_OPENDIFFFILETITLE);
 328                                 pfd->SetTitle(temp);
 329                         }
 330                         CSelectFileFilter fileFilter(IDS_PATCHFILEFILTER);
 331                         hr = pfd->SetFileTypes(fileFilter.GetCount(), fileFilter);
 332                         bool bAdvised = false;
 333                         DWORD dwCookie = 0;
 334                         CComObjectStackEx<PatchOpenDlgEventHandler> cbk;
 335                         CComQIPtr<IFileDialogEvents> pEvents = cbk.GetUnknown();
 336
 337                         {
 338                                 CComPtr<IFileDialogCustomize> pfdCustomize;
 339                                 hr = pfd->QueryInterface(IID_PPV_ARGS(&pfdCustomize));
 340                                 if (SUCCEEDED(hr))
 341                                 {
 342                                         // check if there's a unified diff on the clipboard and
 343                                         // add a button to the fileopen dialog if there is.
 344                                         UINT cFormat = RegisterClipboardFormat(_T("TSVN_UNIFIEDDIFF"));
 345                                         if ((cFormat)&&(OpenClipboard(NULL)))
 346                                         {
 347                                                 HGLOBAL hglb = GetClipboardData(cFormat);
 348                                                 if (hglb)
 349                                                 {
 350                                                         pfdCustomize->AddPushButton(101, CString(MAKEINTRESOURCE(IDS_PATCH_COPYFROMCLIPBOARD)));
 351                                                         hr = pfd->Advise(pEvents, &dwCookie);
 352                                                         bAdvised = SUCCEEDED(hr);
 353                                                 }
 354                                                 CloseClipboard();
 355                                         }
 356                                 }
 357                         }
 358
 359                         // Show the save file dialog
 360                         if (SUCCEEDED(hr) && SUCCEEDED(hr = pfd->Show(pFrame->m_hWnd)))
 361                         {
 362                                 // Get the selection from the user
 363                                 CComPtr<IShellItem> psiResult = NULL;
 364                                 hr = pfd->GetResult(&psiResult);
 365                                 if (bAdvised)
 366                                         pfd->Unadvise(dwCookie);
 367                                 if (SUCCEEDED(hr))
 368                                 {
 369                                         PWSTR pszPath = NULL;
 370                                         hr = psiResult->GetDisplayName(SIGDN_FILESYSPATH, &pszPath);
 371                                         if (SUCCEEDED(hr))
 372                                         {
 373                                                 pFrame->m_Data.m_sDiffFile = pszPath;
 374                                                 CoTaskMemFree(pszPath);
 375                                         }
 376                                 }
 377                                 else
 378                                 {
 379                                         // no result, which means we closed the dialog in our button handler
 380                                         std::wstring sTempFile;
 381                                         if (TrySavePatchFromClipboard(sTempFile))
 382                                                 pFrame->m_Data.m_sDiffFile = sTempFile.c_str();
 383                                 }
 384                         }
 385                         else
 386                         {
 387                                 if (bAdvised)
 388                                         pfd->Unadvise(dwCookie);
 389                                 return FALSE;
 390                         }
 391                 }
 392                 else
 393                 {
 394                         OPENFILENAME ofn = {0};         // common dialog box structure
 395                         TCHAR szFile[MAX_PATH] = {0};   // buffer for file name
 396                         // Initialize OPENFILENAME
 397                         ofn.lStructSize = sizeof(OPENFILENAME);
 398                         ofn.hwndOwner = pFrame->m_hWnd;
 399                         ofn.lpstrFile = szFile;
 400                         ofn.nMaxFile = _countof(szFile);
 401                         CString temp;
 402                         temp.LoadString(IDS_OPENDIFFFILETITLE);
 403                         if (temp.IsEmpty())
 404                                 ofn.lpstrTitle = NULL;
 405                         else
 406                                 ofn.lpstrTitle = temp;
 407
 408                         ofn.Flags = OFN_FILEMUSTEXIST | OFN_PATHMUSTEXIST | OFN_HIDEREADONLY | OFN_EXPLORER;
 409                         if( HasClipboardPatch() ) {
 410                                 ofn.Flags |= ( OFN_ENABLETEMPLATE | OFN_ENABLEHOOK );
 411                                 ofn.hInstance = AfxGetResourceHandle();
 412                                 ofn.lpTemplateName = MAKEINTRESOURCE(IDD_PATCH_FILE_OPEN_CUSTOM);
 413                                 ofn.lpfnHook = CreatePatchFileOpenHook;
 414                         }
 415
 416                         CSelectFileFilter fileFilter(IDS_PATCHFILEFILTER);
 417                         ofn.lpstrFilter = fileFilter;
 418                         ofn.nFilterIndex = 1;
 419
 420                         // Display the Open dialog box.
 421                         if (GetOpenFileName(&ofn)==FALSE)
 422                         {
 423                                 return FALSE;
 424                         }
 425                         pFrame->m_Data.m_sDiffFile = ofn.lpstrFile;
 426                 }
 427         }
 428
 429         if ( pFrame->m_Data.m_baseFile.GetFilename().IsEmpty() && pFrame->m_Data.m_yourFile.GetFilename().IsEmpty() )
 430         {
 431                 int nArgs;
 432                 LPWSTR *szArglist = CommandLineToArgvW(GetCommandLineW(), &nArgs);
 433                 if( NULL == szArglist )
 434                 {
 435                         TRACE("CommandLineToArgvW failed\n");
 436                 }
 437                 else
 438                 {
 439                         if ( nArgs==3 || nArgs==4 )
 440                         {
 441                                 // Four parameters:
 442                                 // [0]: Program name
 443                                 // [1]: BASE file
 444                                 // [2]: my file
 445                                 // [3]: THEIR file (optional)
 446                                 // This is the same format CAppUtils::StartExtDiff
 447                                 // uses if %base and %mine are not set and most
 448                                 // other diff tools use it too.
 449                                 if ( PathFileExists(szArglist[1]) && PathFileExists(szArglist[2]) )
 450                                 {
 451                                         pFrame->m_Data.m_baseFile.SetFileName(szArglist[1]);
 452                                         pFrame->m_Data.m_yourFile.SetFileName(szArglist[2]);
 453                                         if ( nArgs == 4 && PathFileExists(szArglist[3]) )
 454                                         {
 455                                                 pFrame->m_Data.m_theirFile.SetFileName(szArglist[3]);
 456                                         }
 457                                 }
 458                         }
 459                         else if (nArgs == 2)
 460                         {
 461                                 // only one path specified: use it to fill the "open" dialog
 462                                 if (PathFileExists(szArglist[1]))
 463                                 {
 464                                         pFrame->m_Data.m_yourFile.SetFileName(szArglist[1]);
 465                                         pFrame->m_Data.m_yourFile.StoreFileAttributes();
 466                                 }
 467                         }
 468                 }
 469
 470                 // Free memory allocated for CommandLineToArgvW arguments.
 471                 LocalFree(szArglist);
 472         }
 473
 474         pFrame->m_bReadOnly = !!parser.HasKey(_T("readonly"));
 475         if (GetFileAttributes(pFrame->m_Data.m_yourFile.GetFilename()) & FILE_ATTRIBUTE_READONLY)
 476                 pFrame->m_bReadOnly = true;
 477         pFrame->m_bBlame = !!parser.HasKey(_T("blame"));
 478         // diffing a blame means no editing!
 479         if (pFrame->m_bBlame)
 480                 pFrame->m_bReadOnly = true;
 481
 482         pFrame->SetWindowTitle();
 483
 484         if (parser.HasKey(_T("createunifieddiff")))
 485         {
 486                 // user requested to create a unified diff file
 487                 CString origFile = parser.GetVal(_T("origfile"));
 488                 CString modifiedFile = parser.GetVal(_T("modifiedfile"));
 489                 if (!origFile.IsEmpty() && !modifiedFile.IsEmpty())
 490                 {
 491                         CString outfile = parser.GetVal(_T("outfile"));
 492                         if (outfile.IsEmpty())
 493                         {
 494                                 CCommonAppUtils::FileOpenSave(outfile, NULL, IDS_SAVEASTITLE, IDS_COMMONFILEFILTER, false, NULL);
 495                         }
 496                         if (!outfile.IsEmpty())
 497                         {
 498                                 CRegStdDWORD regContextLines(L"Software\\TortoiseGitMerge\\ContextLines", (DWORD)-1);
 499                                 CAppUtils::CreateUnifiedDiff(origFile, modifiedFile, outfile, regContextLines, false);
 500                                 return FALSE;
 501                         }
 502                 }
 503         }
 504
 505         pFrame->resolveMsgWnd    = parser.HasVal(L"resolvemsghwnd")   ? (HWND)parser.GetLongLongVal(L"resolvemsghwnd")     : 0;
 506         pFrame->resolveMsgWParam = parser.HasVal(L"resolvemsgwparam") ? (WPARAM)parser.GetLongLongVal(L"resolvemsgwparam") : 0;
 507         pFrame->resolveMsgLParam = parser.HasVal(L"resolvemsglparam") ? (LPARAM)parser.GetLongLongVal(L"resolvemsglparam") : 0;
 508
 509         // The one and only window has been initialized, so show and update it
 510         pFrame->ActivateFrame();
 511         pFrame->ShowWindow(SW_SHOW);
 512         pFrame->UpdateWindow();
 513         pFrame->ShowDiffBar(!pFrame->m_bOneWay);
 514         if (!pFrame->m_Data.IsBaseFileInUse() && pFrame->m_Data.m_sPatchPath.IsEmpty() && pFrame->m_Data.m_sDiffFile.IsEmpty())
 515         {
 516                 pFrame->OnFileOpen(pFrame->m_Data.m_yourFile.InUse());
 517                 return TRUE;
 518         }
 519
 520         int line = -2;
 521         if (parser.HasVal(_T("line")))
 522         {
 523                 line = parser.GetLongVal(_T("line"));
 524                 line--; // we need the index
 525         }
 526
 527         return pFrame->LoadViews(line);
 528 }
 529
 530 // CTortoiseMergeApp message handlers
 531
 532 void CTortoiseMergeApp::OnAppAbout()
 533 {
 534         CAboutDlg aboutDlg;
 535         aboutDlg.DoModal();
 536 }
 537
 538 UINT_PTR CALLBACK
 539 CTortoiseMergeApp::CreatePatchFileOpenHook(HWND hDlg, UINT uiMsg, WPARAM wParam, LPARAM /*lParam*/)
 540 {
 541         if(uiMsg == WM_COMMAND && LOWORD(wParam) == IDC_PATCH_TO_CLIPBOARD)
 542         {
 543                 HWND hFileDialog = GetParent(hDlg);
 544
 545                 // if there's a patchfile in the clipboard, we save it
 546                 // to a temporary file and tell TortoiseMerge to use that one
 547                 std::wstring sTempFile;
 548                 if (TrySavePatchFromClipboard(sTempFile))
 549                 {
 550                         CommDlg_OpenSave_SetControlText(hFileDialog, edt1, sTempFile.c_str());
 551                         PostMessage(hFileDialog, WM_COMMAND, MAKEWPARAM(IDOK, BM_CLICK), (LPARAM)(GetDlgItem(hDlg, IDOK)));
 552                 }
 553         }
 554         return 0;
 555 }
 556
 557 int CTortoiseMergeApp::ExitInstance()
 558 {
 559         // Look for temporary files left around by TortoiseMerge and
 560         // remove them. But only delete 'old' files
 561         CTempFiles::DeleteOldTempFiles(_T("*tsm*.*"));
 562
 563         return CWinAppEx::ExitInstance();
 564 }
 565
 566 bool CTortoiseMergeApp::HasClipboardPatch()
 567 {
 568         // check if there's a patchfile in the clipboard
 569         const UINT cFormat = RegisterClipboardFormat(_T("TSVN_UNIFIEDDIFF"));
 570         if (cFormat == 0)
 571                 return false;
 572
 573         if (OpenClipboard(NULL) == 0)
 574                 return false;
 575
 576         bool containsPatch = false;
 577         UINT enumFormat = 0;
 578         do
 579         {
 580                 if (enumFormat == cFormat)
 581                 {
 582                         containsPatch = true;   // yes, there's a patchfile in the clipboard
 583                 }
 584         } while((enumFormat = EnumClipboardFormats(enumFormat))!=0);
 585         CloseClipboard();
 586
 587         return containsPatch;
 588 }
 589
 590 bool CTortoiseMergeApp::TrySavePatchFromClipboard(std::wstring& resultFile)
 591 {
 592         resultFile.clear();
 593
 594         UINT cFormat = RegisterClipboardFormat(_T("TSVN_UNIFIEDDIFF"));
 595         if (cFormat == 0)
 596                 return false;
 597         if (OpenClipboard(NULL) == 0)
 598                 return false;
 599
 600         HGLOBAL hglb = GetClipboardData(cFormat);
 601         LPCSTR lpstr = (LPCSTR)GlobalLock(hglb);
 602
 603         DWORD len = GetTempPath(0, NULL);
 604         std::unique_ptr<TCHAR[]> path(new TCHAR[len+1]);
 605         std::unique_ptr<TCHAR[]> tempF(new TCHAR[len+100]);
 606         GetTempPath (len+1, path.get());
 607         GetTempFileName (path.get(), _T("tsm"), 0, tempF.get());
 608         std::wstring sTempFile = std::wstring(tempF.get());
 609
 610         FILE* outFile = 0;
 611         _tfopen_s(&outFile, sTempFile.c_str(), _T("wb"));
 612         if (outFile != 0)
 613         {
 614                 size_t patchlen = strlen(lpstr);
 615                 size_t size = fwrite(lpstr, sizeof(char), patchlen, outFile);
 616                 if (size == patchlen)
 617                          resultFile = sTempFile;
 618
 619                 fclose(outFile);
 620         }
 621         GlobalUnlock(hglb);
 622         CloseClipboard();
 623
 624         return !resultFile.empty();
 625 }