src/TortoiseIDiff/TortoiseIDiff.cpp

   1 // TortoiseIDiff - an image diff viewer in TortoiseSVN and TortoiseGit
   2
   3 // Copyright (C) 2015 - TortoiseGit
   4 // Copyright (C) 2006-2007, 2010-2014 - 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 "MainWindow.h"
  22 #include "CmdLineParser.h"
  23 #include "registry.h"
  24 #include "LangDll.h"
  25 #include "TortoiseIDiff.h"
  26 #include "TaskbarUUID.h"
  27 #include <Shellapi.h>
  28
  29 #pragma comment(linker, "\"/manifestdependency:type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'\"")
  30
  31 // Global Variables:
  32 HINSTANCE hInst;                                // current instance
  33 HINSTANCE hResource;                            // the resource dll
  34 HCURSOR   curHand;
  35 HCURSOR   curHandDown;
  36
  37 int APIENTRY _tWinMain(HINSTANCE hInstance,
  38                        HINSTANCE /*hPrevInstance*/,
  39                        LPTSTR    lpCmdLine,
  40                        int       /*nCmdShow*/)
  41 {
  42     SetDllDirectory(L"");
  43     SetTaskIDPerUUID();
  44     CRegStdDWORD loc = CRegStdDWORD(_T("Software\\TortoiseGit\\LanguageID"), 1033);
  45     long langId = loc;
  46     CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
  47
  48     CLangDll langDLL;
  49     hResource = langDLL.Init(_T("TortoiseIDiff"), langId);
  50     if (hResource == NULL)
  51         hResource = hInstance;
  52
  53     git_libgit2_init();
  54
  55     CCmdLineParser parser(lpCmdLine);
  56
  57     if (parser.HasKey(_T("?")) || parser.HasKey(_T("help")))
  58     {
  59         TCHAR buf[1024] = { 0 };
  60         LoadString(hResource, IDS_COMMANDLINEHELP, buf, _countof(buf));
  61         MessageBox(NULL, buf, _T("TortoiseIDiff"), MB_ICONINFORMATION);
  62         langDLL.Close();
  63         return 0;
  64     }
  65
  66
  67     MSG msg;
  68     hInst = hInstance;
  69
  70     INITCOMMONCONTROLSEX used = {
  71         sizeof(INITCOMMONCONTROLSEX),
  72         ICC_STANDARD_CLASSES | ICC_BAR_CLASSES | ICC_WIN95_CLASSES
  73     };
  74     InitCommonControlsEx(&used);
  75
  76     // load the cursors we need
  77     curHand = (HCURSOR)LoadImage(hInst, MAKEINTRESOURCE(IDC_PANCUR), IMAGE_CURSOR, 0, 0, LR_DEFAULTSIZE);
  78     curHandDown = (HCURSOR)LoadImage(hInst, MAKEINTRESOURCE(IDC_PANDOWNCUR), IMAGE_CURSOR, 0, 0, LR_DEFAULTSIZE);
  79
  80     auto mainWindow = std::make_unique<CMainWindow>(hResource);
  81     mainWindow->SetRegistryPath(_T("Software\\TortoiseGit\\TortoiseIDiffWindowPos"));
  82     std::wstring leftfile = parser.HasVal(_T("left")) ? parser.GetVal(_T("left")) : _T("");
  83     std::wstring rightfile = parser.HasVal(_T("right")) ? parser.GetVal(_T("right")) : _T("");
  84     if ((leftfile.empty()) && (lpCmdLine[0] != 0))
  85     {
  86         int nArgs;
  87         LPWSTR * szArglist = CommandLineToArgvW(GetCommandLineW(), &nArgs);
  88         if (szArglist)
  89         {
  90             if (nArgs == 3)
  91             {
  92                 // Four parameters:
  93                 // [0]: Program name
  94                 // [1]: left file
  95                 // [2]: right file
  96                 if (PathFileExists(szArglist[1]) && PathFileExists(szArglist[2]))
  97                 {
  98                     leftfile = szArglist[1];
  99                     rightfile = szArglist[2];
 100                 }
 101             }
 102         }
 103
 104         // Free memory allocated for CommandLineToArgvW arguments.
 105         LocalFree(szArglist);
 106     }
 107     mainWindow->SetLeft(leftfile.c_str(), parser.HasVal(_T("lefttitle")) ? parser.GetVal(_T("lefttitle")) : _T(""));
 108     mainWindow->SetRight(rightfile.c_str(), parser.HasVal(_T("righttitle")) ? parser.GetVal(_T("righttitle")) : _T(""));
 109     if (parser.HasVal(L"base"))
 110         mainWindow->SetSelectionImage(FileTypeBase, parser.GetVal(L"base"), parser.HasVal(L"basetitle") ? parser.GetVal(L"basetitle") : L"");
 111     if (parser.HasVal(L"mine"))
 112         mainWindow->SetSelectionImage(FileTypeMine, parser.GetVal(L"mine"), parser.HasVal(L"minetitle") ? parser.GetVal(L"minetitle") : L"");
 113     if (parser.HasVal(L"theirs"))
 114         mainWindow->SetSelectionImage(FileTypeTheirs, parser.GetVal(L"theirs"), parser.HasVal(L"theirstitle") ? parser.GetVal(L"theirstitle") : L"");
 115     if (parser.HasVal(L"result"))
 116         mainWindow->SetSelectionResult(parser.GetVal(L"result"));
 117     mainWindow->resolveMsgWnd = parser.HasVal(L"resolvemsghwnd") ? (HWND)parser.GetLongLongVal(L"resolvemsghwnd") : 0;
 118     mainWindow->resolveMsgWParam = parser.HasVal(L"resolvemsgwparam") ? (WPARAM)parser.GetLongLongVal(L"resolvemsgwparam") : 0;
 119     mainWindow->resolveMsgLParam = parser.HasVal(L"resolvemsglparam") ? (LPARAM)parser.GetLongLongVal(L"resolvemsglparam") : 0;
 120     if (mainWindow->RegisterAndCreateWindow())
 121     {
 122         HACCEL hAccelTable = LoadAccelerators(hResource, MAKEINTRESOURCE(IDR_TORTOISEIDIFF));
 123         if (!parser.HasVal(L"left") && parser.HasVal(L"base") && !parser.HasVal(L"mine") && !parser.HasVal(L"theirs"))
 124         {
 125             PostMessage(*mainWindow, WM_COMMAND, ID_FILE_OPEN, 0);
 126         }
 127         if (parser.HasKey(_T("overlay")))
 128         {
 129             PostMessage(*mainWindow, WM_COMMAND, ID_VIEW_OVERLAPIMAGES, 0);
 130         }
 131         if (parser.HasKey(_T("fit")))
 132         {
 133             PostMessage(*mainWindow, WM_COMMAND, ID_VIEW_FITIMAGEHEIGHTS, 0);
 134             PostMessage(*mainWindow, WM_COMMAND, ID_VIEW_FITIMAGEWIDTHS, 0);
 135         }
 136         if (parser.HasKey(_T("fitwidth")))
 137         {
 138             PostMessage(*mainWindow, WM_COMMAND, ID_VIEW_FITIMAGEWIDTHS, 0);
 139         }
 140         if (parser.HasKey(_T("fitheight")))
 141         {
 142             PostMessage(*mainWindow, WM_COMMAND, ID_VIEW_FITIMAGEHEIGHTS, 0);
 143         }
 144         if (parser.HasKey(_T("showinfo")))
 145         {
 146             PostMessage(*mainWindow, WM_COMMAND, ID_VIEW_IMAGEINFO, 0);
 147         }
 148         // Main message loop:
 149         while (GetMessage(&msg, NULL, 0, 0))
 150         {
 151             if (!TranslateAccelerator(*mainWindow, hAccelTable, &msg))
 152             {
 153                 TranslateMessage(&msg);
 154                 DispatchMessage(&msg);
 155             }
 156         }
 157         return (int) msg.wParam;
 158     }
 159     langDLL.Close();
 160     DestroyCursor(curHand);
 161     DestroyCursor(curHandDown);
 162     CoUninitialize();
 163     git_libgit2_shutdown();
 164     return 1;
 165 }