src/TortoiseMerge/TortoiseMerge.cpp

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