reactos/base/applications/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 #include <regedit.h>
  22
  23 BOOL ProcessCmdLine(LPSTR lpCmdLine);
  24
  25
  26 /*******************************************************************************
  27  * Global Variables:
  28  */
  29
  30 HINSTANCE hInst;
  31 HWND hFrameWnd;
  32 HWND hStatusBar;
  33 HMENU hMenuFrame;
  34 HMENU hPopupMenus = 0;
  35 UINT nClipboardFormat;
  36 LPCTSTR strClipboardFormat = _T("TODO: SET CORRECT FORMAT");
  37 const TCHAR g_szGeneralRegKey[] = _T("Software\\Microsoft\\Windows\\CurrentVersion\\Applets\\Regedit");
  38
  39
  40 #define MAX_LOADSTRING  100
  41 TCHAR szTitle[MAX_LOADSTRING];
  42 TCHAR szFrameClass[MAX_LOADSTRING];
  43 TCHAR szChildClass[MAX_LOADSTRING];
  44
  45
  46 /*******************************************************************************
  47  *
  48  *
  49  *   FUNCTION: InitInstance(HANDLE, int)
  50  *
  51  *   PURPOSE: Saves instance handle and creates main window
  52  *
  53  *   COMMENTS:
  54  *
  55  *        In this function, we save the instance handle in a global variable and
  56  *        create and display the main program window.
  57  */
  58
  59 BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
  60 {
  61     BOOL AclUiAvailable;
  62     HMENU hEditMenu;
  63     TCHAR szBuffer[256];
  64
  65     WNDCLASSEX wcFrame;
  66     WNDCLASSEX wcChild;
  67     ATOM hFrameWndClass;
  68     ATOM hChildWndClass;
  69
  70     ZeroMemory(&wcFrame, sizeof(WNDCLASSEX));
  71     wcFrame.cbSize = sizeof(WNDCLASSEX);
  72     wcFrame.style = CS_HREDRAW | CS_VREDRAW;
  73     wcFrame.lpfnWndProc = FrameWndProc;
  74     wcFrame.hInstance = hInstance;
  75     wcFrame.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_REGEDIT));
  76     wcFrame.hIconSm = (HICON)LoadImage(hInstance, MAKEINTRESOURCE(IDI_REGEDIT),
  77                                        IMAGE_ICON, GetSystemMetrics(SM_CXSMICON),
  78                                        GetSystemMetrics(SM_CYSMICON), LR_SHARED);
  79     wcFrame.hCursor = LoadCursor(0, IDC_ARROW);
  80     wcFrame.lpszClassName = szFrameClass;
  81
  82     hFrameWndClass = RegisterClassEx(&wcFrame); /* register frame window class */
  83
  84     ZeroMemory(&wcChild, sizeof(WNDCLASSEX));
  85     wcChild.cbSize = sizeof(WNDCLASSEX);
  86     wcChild.style = CS_HREDRAW | CS_VREDRAW;
  87     wcChild.lpfnWndProc = ChildWndProc;
  88     wcChild.cbWndExtra = sizeof(HANDLE);
  89     wcChild.hInstance = hInstance;
  90     wcChild.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_REGEDIT));
  91     wcChild.hCursor = LoadCursor(0, IDC_ARROW),
  92     wcChild.lpszClassName =  szChildClass,
  93     wcChild.hIconSm = (HICON)LoadImage(hInstance, MAKEINTRESOURCE(IDI_REGEDIT), IMAGE_ICON,
  94                                               GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), LR_SHARED);
  95
  96     hChildWndClass = RegisterClassEx(&wcChild); /* register child windows class */
  97
  98     RegisterHexEditorClass(hInstance);
  99
 100     hMenuFrame = LoadMenu(hInstance, MAKEINTRESOURCE(IDR_REGEDIT_MENU));
 101     hPopupMenus = LoadMenu(hInstance, MAKEINTRESOURCE(IDR_POPUP_MENUS));
 102
 103     /* Initialize the Windows Common Controls DLL */
 104     InitCommonControls();
 105
 106     hEditMenu = GetSubMenu(hMenuFrame, 1);
 107
 108     AclUiAvailable = InitializeAclUiDll();
 109     if(!AclUiAvailable)
 110     {
 111       /* hide the Edit/Permissions... menu entry */
 112       if(hEditMenu != NULL)
 113       {
 114         RemoveMenu(hEditMenu, ID_EDIT_PERMISSIONS, MF_BYCOMMAND);
 115         /* remove the separator after the menu item */
 116         RemoveMenu(hEditMenu, 4, MF_BYPOSITION);
 117       }
 118     }
 119
 120     if(hEditMenu != NULL)
 121         SetMenuDefaultItem(hEditMenu, ID_EDIT_MODIFY, MF_BYCOMMAND);
 122
 123     nClipboardFormat = RegisterClipboardFormat(strClipboardFormat);
 124     /* if (nClipboardFormat == 0) {
 125         DWORD dwError = GetLastError();
 126     } */
 127
 128     hFrameWnd = CreateWindowEx(WS_EX_WINDOWEDGE, (LPCTSTR)(UlongToPtr(hFrameWndClass)), szTitle,
 129                                WS_OVERLAPPEDWINDOW | WS_CLIPSIBLINGS | WS_CLIPCHILDREN,
 130                                CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
 131                                NULL, hMenuFrame, hInstance, NULL/*lpParam*/);
 132
 133     if (!hFrameWnd) {
 134         return FALSE;
 135     }
 136
 137     /* Create the status bar */
 138     hStatusBar = CreateStatusWindow(WS_VISIBLE|WS_CHILD|WS_CLIPSIBLINGS|SBT_NOBORDERS,
 139                                     _T(""), hFrameWnd, STATUS_WINDOW);
 140     if (hStatusBar) {
 141         /* Create the status bar panes */
 142         SetupStatusBar(hFrameWnd, FALSE);
 143         CheckMenuItem(GetSubMenu(hMenuFrame, ID_VIEW_MENU), ID_VIEW_STATUSBAR, MF_BYCOMMAND|MF_CHECKED);
 144     }
 145
 146     /* Restore position */
 147     if (RegQueryStringValue(HKEY_CURRENT_USER, g_szGeneralRegKey,
 148         _T("LastKey"),
 149         szBuffer, sizeof(szBuffer) / sizeof(szBuffer[0])) == ERROR_SUCCESS)
 150     {
 151         SelectNode(g_pChildWnd->hTreeWnd, szBuffer);
 152     }
 153
 154     ShowWindow(hFrameWnd, nCmdShow);
 155     UpdateWindow(hFrameWnd);
 156     return TRUE;
 157 }
 158
 159 /******************************************************************************/
 160
 161 /* we need to destroy the main menu before destroying the main window
 162    to avoid a memory leak */
 163
 164 void DestroyMainMenu() {
 165         DestroyMenu(hMenuFrame);
 166 }
 167
 168 /******************************************************************************/
 169
 170 void ExitInstance(HINSTANCE hInstance)
 171 {
 172     UnregisterHexEditorClass(hInstance);
 173
 174     DestroyMenu(hPopupMenus);
 175     UnloadAclUiDll();
 176 }
 177
 178 BOOL TranslateChildTabMessage(MSG *msg)
 179 {
 180   if (msg->message != WM_KEYDOWN) return FALSE;
 181   if (msg->wParam != VK_TAB) return FALSE;
 182   if (GetParent(msg->hwnd) != g_pChildWnd->hWnd) return FALSE;
 183   PostMessage(g_pChildWnd->hWnd, WM_COMMAND, ID_SWITCH_PANELS, 0);
 184   return TRUE;
 185 }
 186
 187 int APIENTRY WinMain(HINSTANCE hInstance,
 188                      HINSTANCE hPrevInstance,
 189                      LPSTR     lpCmdLine,
 190                      int       nCmdShow)
 191 {
 192     MSG msg;
 193     HACCEL hAccel;
 194
 195     UNREFERENCED_PARAMETER(hPrevInstance);
 196
 197     /*
 198         int hCrt;
 199         FILE *hf;
 200         AllocConsole();
 201         hCrt = _open_osfhandle((long)GetStdHandle(STD_OUTPUT_HANDLE), _O_TEXT);
 202         hf = _fdopen(hCrt, "w");
 203         *stdout = *hf;
 204         setvbuf(stdout, NULL, _IONBF, 0);
 205
 206         wprintf(L"command line exit, hInstance = %d\n", hInstance);
 207         getch();
 208         FreeConsole();
 209         return 0;
 210      */
 211
 212     if (ProcessCmdLine(lpCmdLine)) {
 213         return 0;
 214     }
 215
 216     /* Initialize global strings */
 217     LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
 218     LoadString(hInstance, IDC_REGEDIT_FRAME, szFrameClass, MAX_LOADSTRING);
 219     LoadString(hInstance, IDC_REGEDIT, szChildClass, MAX_LOADSTRING);
 220
 221     /* Store instance handle in our global variable */
 222     hInst = hInstance;
 223
 224     /* Perform application initialization */
 225     if (!InitInstance(hInstance, nCmdShow)) {
 226         return FALSE;
 227     }
 228     hAccel = LoadAccelerators(hInstance, MAKEINTRESOURCE(ID_ACCEL));
 229
 230     /* Main message loop */
 231     while (GetMessage(&msg, (HWND)NULL, 0, 0)) {
 232         if (!TranslateAccelerator(hFrameWnd, hAccel, &msg)
 233             && !TranslateChildTabMessage(&msg)) {
 234             TranslateMessage(&msg);
 235             DispatchMessage(&msg);
 236         }
 237     }
 238
 239     ExitInstance(hInstance);
 240     return (int) msg.wParam;
 241 }