reactos/subsys/system/regedit/main.c

   1 /*
   2  * Regedit main function
   3  *
   4  * Copyright (C) 2002 Robert Dickenson <robd@reactos.org>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library 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 GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #define WIN32_LEAN_AND_MEAN     /* Exclude rarely-used stuff from Windows headers */
  22 #include <windows.h>
  23 #include <commctrl.h>
  24 #include <accctrl.h>
  25 #include <unknwn.h>
  26 #include <stdlib.h>
  27 #include <tchar.h>
  28 #include <process.h>
  29 #include <stdio.h>
  30 #include <fcntl.h>
  31 #include <aclui.h>
  32 #include <cguid.h>
  33
  34 #include "main.h"
  35 #include "hexedit.h"
  36 #include "security.h"
  37 #include "regproc.h"
  38
  39 BOOL ProcessCmdLine(LPSTR lpCmdLine);
  40
  41
  42 /*******************************************************************************
  43  * Global Variables:
  44  */
  45
  46 HINSTANCE hInst;
  47 HWND hFrameWnd;
  48 HWND hStatusBar;
  49 HMENU hMenuFrame;
  50 HMENU hPopupMenus = 0;
  51 UINT nClipboardFormat;
  52 LPCTSTR strClipboardFormat = _T("TODO: SET CORRECT FORMAT");
  53
  54
  55 #define MAX_LOADSTRING  100
  56 TCHAR szTitle[MAX_LOADSTRING];
  57 TCHAR szFrameClass[MAX_LOADSTRING];
  58 TCHAR szChildClass[MAX_LOADSTRING];
  59
  60
  61 /*******************************************************************************
  62  *
  63  *
  64  *   FUNCTION: InitInstance(HANDLE, int)
  65  *
  66  *   PURPOSE: Saves instance handle and creates main window
  67  *
  68  *   COMMENTS:
  69  *
  70  *        In this function, we save the instance handle in a global variable and
  71  *        create and display the main program window.
  72  */
  73
  74 BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
  75 {
  76     BOOL AclUiAvailable;
  77     HMENU hEditMenu;
  78     TCHAR szBuffer[256];
  79     LPCTSTR s;
  80
  81     WNDCLASSEX wcFrame = {
  82                              sizeof(WNDCLASSEX),
  83                              CS_HREDRAW | CS_VREDRAW/*style*/,
  84                              FrameWndProc,
  85                              0/*cbClsExtra*/,
  86                              0/*cbWndExtra*/,
  87                              hInstance,
  88                              LoadIcon(hInstance, MAKEINTRESOURCE(IDI_REGEDIT)),
  89                              LoadCursor(0, IDC_ARROW),
  90                              0/*hbrBackground*/,
  91                              0/*lpszMenuName*/,
  92                              szFrameClass,
  93                              (HICON)LoadImage(hInstance, MAKEINTRESOURCE(IDI_REGEDIT), IMAGE_ICON,
  94                                               GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), LR_SHARED)
  95                          };
  96     ATOM hFrameWndClass = RegisterClassEx(&wcFrame); /* register frame window class */
  97
  98     WNDCLASSEX wcChild = {
  99                              sizeof(WNDCLASSEX),
 100                              CS_HREDRAW | CS_VREDRAW/*style*/,
 101                              ChildWndProc,
 102                              0/*cbClsExtra*/,
 103                              sizeof(HANDLE)/*cbWndExtra*/,
 104                              hInstance,
 105                              LoadIcon(hInstance, MAKEINTRESOURCE(IDI_REGEDIT)),
 106                              LoadCursor(0, IDC_ARROW),
 107                              0/*hbrBackground*/,
 108                              0/*lpszMenuName*/,
 109                              szChildClass,
 110                              (HICON)LoadImage(hInstance, MAKEINTRESOURCE(IDI_REGEDIT), IMAGE_ICON,
 111                                               GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), LR_SHARED)
 112
 113                          };
 114     ATOM hChildWndClass = RegisterClassEx(&wcChild); /* register child windows class */
 115     hChildWndClass = hChildWndClass; /* warning eater */
 116
 117     RegisterHexEditorClass(hInstance);
 118
 119     hMenuFrame = LoadMenu(hInstance, MAKEINTRESOURCE(IDR_REGEDIT_MENU));
 120     hPopupMenus = LoadMenu(hInstance, MAKEINTRESOURCE(IDR_POPUP_MENUS));
 121
 122     /* Initialize the Windows Common Controls DLL */
 123     InitCommonControls();
 124
 125     hEditMenu = GetSubMenu(hMenuFrame, 1);
 126
 127     AclUiAvailable = InitializeAclUiDll();
 128     if(!AclUiAvailable)
 129     {
 130       /* hide the Edit/Permissions... menu entry */
 131       if(hEditMenu != NULL)
 132       {
 133         RemoveMenu(hEditMenu, ID_EDIT_PERMISSIONS, MF_BYCOMMAND);
 134         /* remove the separator after the menu item */
 135         RemoveMenu(hEditMenu, 4, MF_BYPOSITION);
 136       }
 137     }
 138
 139     if(hEditMenu != NULL)
 140         SetMenuDefaultItem(hEditMenu, ID_EDIT_MODIFY, MF_BYCOMMAND);
 141
 142     nClipboardFormat = RegisterClipboardFormat(strClipboardFormat);
 143     /* if (nClipboardFormat == 0) {
 144         DWORD dwError = GetLastError();
 145     } */
 146
 147     hFrameWnd = CreateWindowEx(WS_EX_WINDOWEDGE, (LPCTSTR)(int)hFrameWndClass, szTitle,
 148                                WS_OVERLAPPEDWINDOW | WS_CLIPSIBLINGS | WS_CLIPCHILDREN,
 149                                CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
 150                                NULL, hMenuFrame, hInstance, NULL/*lpParam*/);
 151
 152     if (!hFrameWnd) {
 153         return FALSE;
 154     }
 155
 156     /* Create the status bar */
 157     hStatusBar = CreateStatusWindow(WS_VISIBLE|WS_CHILD|WS_CLIPSIBLINGS|SBT_NOBORDERS,
 158                                     _T(""), hFrameWnd, STATUS_WINDOW);
 159     if (hStatusBar) {
 160         /* Create the status bar panes */
 161         SetupStatusBar(hFrameWnd, FALSE);
 162         CheckMenuItem(GetSubMenu(hMenuFrame, ID_VIEW_MENU), ID_VIEW_STATUSBAR, MF_BYCOMMAND|MF_CHECKED);
 163     }
 164
 165     /* Restore position */
 166     if (RegQueryStringValue(HKEY_CURRENT_USER,
 167         _T("Software\\Microsoft\\Windows\\CurrentVersion\\Applets\\Regedit"),
 168         _T("LastKey"),
 169         szBuffer, sizeof(szBuffer) / sizeof(szBuffer[0])) == ERROR_SUCCESS)
 170     {
 171         s = szBuffer;
 172         if (!_tcsncmp(s, _T("My Computer\\"), 12))
 173             s += 12;
 174         SelectNode(g_pChildWnd->hTreeWnd, s);
 175     }
 176
 177     ShowWindow(hFrameWnd, nCmdShow);
 178     UpdateWindow(hFrameWnd);
 179     return TRUE;
 180 }
 181
 182 /******************************************************************************/
 183
 184 void ExitInstance(HINSTANCE hInstance)
 185 {
 186     UnregisterHexEditorClass(hInstance);
 187     DestroyMenu(hMenuFrame);
 188     DestroyMenu(hPopupMenus);
 189     UnloadAclUiDll();
 190 }
 191
 192 BOOL TranslateChildTabMessage(MSG *msg)
 193 {
 194   if (msg->message != WM_KEYDOWN) return FALSE;
 195   if (msg->wParam != VK_TAB) return FALSE;
 196   if (GetParent(msg->hwnd) != g_pChildWnd->hWnd) return FALSE;
 197   PostMessage(g_pChildWnd->hWnd, WM_COMMAND, ID_SWITCH_PANELS, 0);
 198   return TRUE;
 199 }
 200
 201 int APIENTRY WinMain(HINSTANCE hInstance,
 202                      HINSTANCE hPrevInstance,
 203                      LPSTR     lpCmdLine,
 204                      int       nCmdShow)
 205 {
 206     MSG msg;
 207     HACCEL hAccel;
 208
 209     /*
 210         int hCrt;
 211         FILE *hf;
 212         AllocConsole();
 213         hCrt = _open_osfhandle((long)GetStdHandle(STD_OUTPUT_HANDLE), _O_TEXT);
 214         hf = _fdopen(hCrt, "w");
 215         *stdout = *hf;
 216         setvbuf(stdout, NULL, _IONBF, 0);
 217
 218         wprintf(L"command line exit, hInstance = %d\n", hInstance);
 219         getch();
 220         FreeConsole();
 221         return 0;
 222      */
 223
 224     if (ProcessCmdLine(lpCmdLine)) {
 225         return 0;
 226     }
 227
 228     /* Initialize global strings */
 229     LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
 230     LoadString(hInstance, IDC_REGEDIT_FRAME, szFrameClass, MAX_LOADSTRING);
 231     LoadString(hInstance, IDC_REGEDIT, szChildClass, MAX_LOADSTRING);
 232
 233     /* Store instance handle in our global variable */
 234     hInst = hInstance;
 235
 236     /* Perform application initialization */
 237     if (!InitInstance(hInstance, nCmdShow)) {
 238         return FALSE;
 239     }
 240     hAccel = LoadAccelerators(hInstance, (LPCTSTR)IDC_REGEDIT);
 241
 242     /* Main message loop */
 243     while (GetMessage(&msg, (HWND)NULL, 0, 0)) {
 244         if (!TranslateAccelerator(msg.hwnd, hAccel, &msg)
 245             && !TranslateChildTabMessage(&msg)) {
 246             TranslateMessage(&msg);
 247             DispatchMessage(&msg);
 248         }
 249     }
 250
 251     ExitInstance(hInstance);
 252     return msg.wParam;
 253 }