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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  19  */
  20
  21 #include <regedit.h>
  22
  23 BOOL ProcessCmdLine(LPWSTR 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
  69     ZeroMemory(&wcFrame, sizeof(WNDCLASSEX));
  70     wcFrame.cbSize = sizeof(WNDCLASSEX);
  71     wcFrame.style = CS_HREDRAW | CS_VREDRAW;
  72     wcFrame.lpfnWndProc = FrameWndProc;
  73     wcFrame.hInstance = hInstance;
  74     wcFrame.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_REGEDIT));
  75     wcFrame.hIconSm = (HICON)LoadImage(hInstance, MAKEINTRESOURCE(IDI_REGEDIT),
  76                                        IMAGE_ICON, GetSystemMetrics(SM_CXSMICON),
  77                                        GetSystemMetrics(SM_CYSMICON), LR_SHARED);
  78     wcFrame.hCursor = LoadCursor(0, IDC_ARROW);
  79     wcFrame.lpszClassName = szFrameClass;
  80
  81     hFrameWndClass = RegisterClassEx(&wcFrame); /* register frame window class */
  82
  83     ZeroMemory(&wcChild, sizeof(WNDCLASSEX));
  84     wcChild.cbSize = sizeof(WNDCLASSEX);
  85     wcChild.style = CS_HREDRAW | CS_VREDRAW;
  86     wcChild.lpfnWndProc = ChildWndProc;
  87     wcChild.cbWndExtra = sizeof(HANDLE);
  88     wcChild.hInstance = hInstance;
  89     wcChild.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_REGEDIT));
  90     wcChild.hCursor = LoadCursor(0, IDC_ARROW),
  91     wcChild.lpszClassName =  szChildClass,
  92     wcChild.hIconSm = (HICON)LoadImage(hInstance, MAKEINTRESOURCE(IDI_REGEDIT), IMAGE_ICON,
  93                                               GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), LR_SHARED);
  94
  95     RegisterClassEx(&wcChild); /* register child windows class */
  96
  97     RegisterHexEditorClass(hInstance);
  98
  99     hMenuFrame = LoadMenu(hInstance, MAKEINTRESOURCE(IDR_REGEDIT_MENU));
 100     hPopupMenus = LoadMenu(hInstance, MAKEINTRESOURCE(IDR_POPUP_MENUS));
 101
 102     /* Initialize the Windows Common Controls DLL */
 103     InitCommonControls();
 104
 105     hEditMenu = GetSubMenu(hMenuFrame, 1);
 106
 107     AclUiAvailable = InitializeAclUiDll();
 108     if(!AclUiAvailable)
 109     {
 110       /* hide the Edit/Permissions... menu entry */
 111       if(hEditMenu != NULL)
 112       {
 113         RemoveMenu(hEditMenu, ID_EDIT_PERMISSIONS, MF_BYCOMMAND);
 114         /* remove the separator after the menu item */
 115         RemoveMenu(hEditMenu, 4, MF_BYPOSITION);
 116       }
 117     }
 118
 119     if(hEditMenu != NULL)
 120         SetMenuDefaultItem(hEditMenu, ID_EDIT_MODIFY, MF_BYCOMMAND);
 121
 122     nClipboardFormat = RegisterClipboardFormat(strClipboardFormat);
 123     /* if (nClipboardFormat == 0) {
 124         DWORD dwError = GetLastError();
 125     } */
 126
 127     hFrameWnd = CreateWindowEx(WS_EX_WINDOWEDGE, (LPCTSTR)(UlongToPtr(hFrameWndClass)), szTitle,
 128                                WS_OVERLAPPEDWINDOW | WS_CLIPSIBLINGS | WS_CLIPCHILDREN,
 129                                CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
 130                                NULL, hMenuFrame, hInstance, NULL/*lpParam*/);
 131
 132     if (!hFrameWnd) {
 133         return FALSE;
 134     }
 135
 136     /* Create the status bar */
 137     hStatusBar = CreateStatusWindow(WS_VISIBLE|WS_CHILD|WS_CLIPSIBLINGS|SBT_NOBORDERS,
 138                                     _T(""), hFrameWnd, STATUS_WINDOW);
 139     if (hStatusBar) {
 140         /* Create the status bar panes */
 141         SetupStatusBar(hFrameWnd, FALSE);
 142         CheckMenuItem(GetSubMenu(hMenuFrame, ID_VIEW_MENU), ID_VIEW_STATUSBAR, MF_BYCOMMAND|MF_CHECKED);
 143     }
 144
 145     /* Restore position */
 146     if (QueryStringValue(HKEY_CURRENT_USER, g_szGeneralRegKey, _T("LastKey"),
 147         szBuffer, COUNT_OF(szBuffer)) == ERROR_SUCCESS)
 148     {
 149         SelectNode(g_pChildWnd->hTreeWnd, szBuffer);
 150     }
 151
 152     ShowWindow(hFrameWnd, nCmdShow);
 153     UpdateWindow(hFrameWnd);
 154     return TRUE;
 155 }
 156
 157 /******************************************************************************/
 158
 159 /* we need to destroy the main menu before destroying the main window
 160    to avoid a memory leak */
 161
 162 void DestroyMainMenu() {
 163         DestroyMenu(hMenuFrame);
 164 }
 165
 166 /******************************************************************************/
 167
 168 void ExitInstance(HINSTANCE hInstance)
 169 {
 170     UnregisterHexEditorClass(hInstance);
 171
 172     DestroyMenu(hPopupMenus);
 173     UnloadAclUiDll();
 174 }
 175
 176 BOOL TranslateChildTabMessage(MSG *msg)
 177 {
 178   if (msg->message != WM_KEYDOWN) return FALSE;
 179   if (msg->wParam != VK_TAB) return FALSE;
 180   if (GetParent(msg->hwnd) != g_pChildWnd->hWnd) return FALSE;
 181   PostMessage(g_pChildWnd->hWnd, WM_COMMAND, ID_SWITCH_PANELS, 0);
 182   return TRUE;
 183 }
 184
 185 int APIENTRY wWinMain(HINSTANCE hInstance,
 186                       HINSTANCE hPrevInstance,
 187                       LPWSTR    lpCmdLine,
 188                       int       nCmdShow)
 189 {
 190     MSG msg;
 191     HACCEL hAccel;
 192
 193     UNREFERENCED_PARAMETER(hPrevInstance);
 194
 195     if (ProcessCmdLine(lpCmdLine)) {
 196         return 0;
 197     }
 198
 199     /* Initialize global strings */
 200     LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
 201     LoadString(hInstance, IDC_REGEDIT_FRAME, szFrameClass, MAX_LOADSTRING);
 202     LoadString(hInstance, IDC_REGEDIT, szChildClass, MAX_LOADSTRING);
 203
 204     /* Store instance handle in our global variable */
 205     hInst = hInstance;
 206
 207     /* Perform application initialization */
 208     if (!InitInstance(hInstance, nCmdShow)) {
 209         return FALSE;
 210     }
 211     hAccel = LoadAccelerators(hInstance, MAKEINTRESOURCE(ID_ACCEL));
 212
 213     /* Main message loop */
 214     while (GetMessage(&msg, (HWND)NULL, 0, 0)) {
 215         if (!TranslateAccelerator(hFrameWnd, hAccel, &msg)
 216             && !TranslateChildTabMessage(&msg)) {
 217             TranslateMessage(&msg);
 218             DispatchMessage(&msg);
 219         }
 220     }
 221
 222     ExitInstance(hInstance);
 223     return (int) msg.wParam;
 224 }