src/TortoiseIDiff/TortoiseIDiff.cpp

   1 // TortoiseIDiff - an image diff viewer in TortoiseSVN and TortoiseGit
   2
   3 // Copyright (C) 2006-2007, 2010-2013 - TortoiseSVN
   4
   5 // This program is free software; you can redistribute it and/or
   6 // modify it under the terms of the GNU General Public License
   7 // as published by the Free Software Foundation; either version 2
   8 // of the License, or (at your option) any later version.
   9
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14
  15 // You should have received a copy of the GNU General Public License
  16 // along with this program; if not, write to the Free Software Foundation,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 #include "stdafx.h"
  20 #include "MainWindow.h"
  21 #include "CmdLineParser.h"
  22 #include "registry.h"
  23 #include "LangDll.h"
  24 #include "TortoiseIDiff.h"
  25 #include "TaskbarUUID.h"
  26 #include <Shellapi.h>
  27
  28 #pragma comment(linker, "\"/manifestdependency:type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'\"")
  29
  30 // Global Variables:
  31 HINSTANCE hInst;                                // current instance
  32 HINSTANCE hResource;                            // the resource dll
  33 HCURSOR   curHand;
  34 HCURSOR   curHandDown;
  35
  36 int APIENTRY _tWinMain(HINSTANCE hInstance,
  37                        HINSTANCE /*hPrevInstance*/,
  38                        LPTSTR    lpCmdLine,
  39                        int       /*nCmdShow*/)
  40 {
  41     SetDllDirectory(L"");
  42     SetTaskIDPerUUID();
  43     CRegStdDWORD loc = CRegStdDWORD(_T("Software\\TortoiseGit\\LanguageID"), 1033);
  44     long langId = loc;
  45     CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
  46
  47     CLangDll langDLL;
  48     hResource = langDLL.Init(_T("TortoiseIDiff"), langId);
  49     if (hResource == NULL)
  50         hResource = hInstance;
  51
  52     CCmdLineParser parser(lpCmdLine);
  53
  54     if (parser.HasKey(_T("?")) || parser.HasKey(_T("help")))
  55     {
  56         TCHAR buf[1024];
  57         LoadString(hResource, IDS_COMMANDLINEHELP, buf, _countof(buf));
  58         MessageBox(NULL, buf, _T("TortoiseIDiff"), MB_ICONINFORMATION);
  59         langDLL.Close();
  60         return 0;
  61     }
  62
  63
  64     MSG msg;
  65     hInst = hInstance;
  66
  67     INITCOMMONCONTROLSEX used = {
  68         sizeof(INITCOMMONCONTROLSEX),
  69         ICC_STANDARD_CLASSES | ICC_BAR_CLASSES | ICC_WIN95_CLASSES
  70     };
  71     InitCommonControlsEx(&used);
  72
  73     // load the cursors we need
  74     curHand = (HCURSOR)LoadImage(hInst, MAKEINTRESOURCE(IDC_PANCUR), IMAGE_CURSOR, 0, 0, LR_DEFAULTSIZE);
  75     curHandDown = (HCURSOR)LoadImage(hInst, MAKEINTRESOURCE(IDC_PANDOWNCUR), IMAGE_CURSOR, 0, 0, LR_DEFAULTSIZE);
  76
  77     std::unique_ptr<CMainWindow> mainWindow(new CMainWindow(hResource));
  78     mainWindow->SetRegistryPath(_T("Software\\TortoiseGit\\TortoiseIDiffWindowPos"));
  79     std::wstring leftfile = parser.HasVal(_T("left")) ? parser.GetVal(_T("left")) : _T("");
  80     std::wstring rightfile = parser.HasVal(_T("right")) ? parser.GetVal(_T("right")) : _T("");
  81     if ((leftfile.empty()) && (lpCmdLine[0] != 0))
  82     {
  83         int nArgs;
  84         LPWSTR * szArglist = CommandLineToArgvW(GetCommandLineW(), &nArgs);
  85         if (szArglist)
  86         {
  87             if (nArgs == 3)
  88             {
  89                 // Four parameters:
  90                 // [0]: Program name
  91                 // [1]: left file
  92                 // [2]: right file
  93                 if (PathFileExists(szArglist[1]) && PathFileExists(szArglist[2]))
  94                 {
  95                     leftfile = szArglist[1];
  96                     rightfile = szArglist[2];
  97                 }
  98             }
  99         }
 100
 101         // Free memory allocated for CommandLineToArgvW arguments.
 102         LocalFree(szArglist);
 103     }
 104     mainWindow->SetLeft(leftfile.c_str(), parser.HasVal(_T("lefttitle")) ? parser.GetVal(_T("lefttitle")) : _T(""));
 105     mainWindow->SetRight(rightfile.c_str(), parser.HasVal(_T("righttitle")) ? parser.GetVal(_T("righttitle")) : _T(""));
 106     if (parser.HasVal(L"base"))
 107         mainWindow->SetSelectionImage(FileTypeBase, parser.GetVal(L"base"), parser.HasVal(L"basetitle") ? parser.GetVal(L"basetitle") : L"");
 108     if (parser.HasVal(L"mine"))
 109         mainWindow->SetSelectionImage(FileTypeMine, parser.GetVal(L"mine"), parser.HasVal(L"minetitle") ? parser.GetVal(L"minetitle") : L"");
 110     if (parser.HasVal(L"theirs"))
 111         mainWindow->SetSelectionImage(FileTypeTheirs, parser.GetVal(L"theirs"), parser.HasVal(L"theirstitle") ? parser.GetVal(L"theirstitle") : L"");
 112     if (parser.HasVal(L"result"))
 113         mainWindow->SetSelectionResult(parser.GetVal(L"result"));
 114     if (mainWindow->RegisterAndCreateWindow())
 115     {
 116         HACCEL hAccelTable = LoadAccelerators(hResource, MAKEINTRESOURCE(IDR_TORTOISEIDIFF));
 117         if (!parser.HasVal(L"left") && parser.HasVal(L"base") && !parser.HasVal(L"mine") && !parser.HasVal(L"theirs"))
 118         {
 119             PostMessage(*mainWindow, WM_COMMAND, ID_FILE_OPEN, 0);
 120         }
 121         if (parser.HasKey(_T("overlay")))
 122         {
 123             PostMessage(*mainWindow, WM_COMMAND, ID_VIEW_OVERLAPIMAGES, 0);
 124         }
 125         if (parser.HasKey(_T("fit")))
 126         {
 127             PostMessage(*mainWindow, WM_COMMAND, ID_VIEW_FITIMAGEHEIGHTS, 0);
 128             PostMessage(*mainWindow, WM_COMMAND, ID_VIEW_FITIMAGEWIDTHS, 0);
 129         }
 130         if (parser.HasKey(_T("fitwidth")))
 131         {
 132             PostMessage(*mainWindow, WM_COMMAND, ID_VIEW_FITIMAGEWIDTHS, 0);
 133         }
 134         if (parser.HasKey(_T("fitheight")))
 135         {
 136             PostMessage(*mainWindow, WM_COMMAND, ID_VIEW_FITIMAGEHEIGHTS, 0);
 137         }
 138         if (parser.HasKey(_T("showinfo")))
 139         {
 140             PostMessage(*mainWindow, WM_COMMAND, ID_VIEW_IMAGEINFO, 0);
 141         }
 142         // Main message loop:
 143         while (GetMessage(&msg, NULL, 0, 0))
 144         {
 145             if (!TranslateAccelerator(*mainWindow, hAccelTable, &msg))
 146             {
 147                 TranslateMessage(&msg);
 148                 DispatchMessage(&msg);
 149             }
 150         }
 151         return (int) msg.wParam;
 152     }
 153     langDLL.Close();
 154     DestroyCursor(curHand);
 155     DestroyCursor(curHandDown);
 156     CoUninitialize();
 157     return 1;
 158 }