programs/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 St, Fifth Floor, Boston, MA 02110-1301, 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 <stdlib.h>
  25 #include <tchar.h>
  26 #include <stdio.h>
  27 #include <fcntl.h>
  28
  29 #define REGEDIT_DECLARE_FUNCTIONS
  30 #include "main.h"
  31
  32 WCHAR g_pszDefaultValueName[64];
  33
  34 BOOL ProcessCmdLine(LPSTR lpCmdLine);
  35
  36 static const WCHAR hkey_local_machine[] = {'H','K','E','Y','_','L','O','C','A','L','_','M','A','C','H','I','N','E',0};
  37 static const WCHAR hkey_users[] = {'H','K','E','Y','_','U','S','E','R','S',0};
  38 static const WCHAR hkey_classes_root[] = {'H','K','E','Y','_','C','L','A','S','S','E','S','_','R','O','O','T',0};
  39 static const WCHAR hkey_current_config[] = {'H','K','E','Y','_','C','U','R','R','E','N','T','_','C','O','N','F','I','G',0};
  40 static const WCHAR hkey_current_user[] = {'H','K','E','Y','_','C','U','R','R','E','N','T','_','U','S','E','R',0};
  41 static const WCHAR hkey_dyn_data[] = {'H','K','E','Y','_','D','Y','N','_','D','A','T','A',0};
  42
  43 const WCHAR *reg_class_namesW[] = {hkey_local_machine, hkey_users,
  44                                    hkey_classes_root, hkey_current_config,
  45                                    hkey_current_user, hkey_dyn_data
  46                                   };
  47
  48 /*******************************************************************************
  49  * Global Variables:
  50  */
  51
  52 HINSTANCE hInst;
  53 HWND hFrameWnd;
  54 HWND hStatusBar;
  55 HMENU hMenuFrame;
  56 HMENU hPopupMenus = 0;
  57 UINT nClipboardFormat;
  58 LPCTSTR strClipboardFormat = _T("TODO: SET CORRECT FORMAT");
  59
  60
  61 #define MAX_LOADSTRING  100
  62 TCHAR szTitle[MAX_LOADSTRING];
  63 const TCHAR szFrameClass[] = {'R','E','G','E','D','I','T','_','F','R','A','M','E',0};
  64 const TCHAR szChildClass[] = {'R','E','G','E','D','I','T',0};
  65
  66
  67 /*******************************************************************************
  68  *
  69  *
  70  *   FUNCTION: InitInstance(HANDLE, int)
  71  *
  72  *   PURPOSE: Saves instance handle and creates main window
  73  *
  74  *   COMMENTS:
  75  *
  76  *        In this function, we save the instance handle in a global variable and
  77  *        create and display the main program window.
  78  */
  79
  80 static BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
  81 {
  82     WCHAR empty = 0;
  83     WNDCLASSEX wcFrame = {
  84                              sizeof(WNDCLASSEX),
  85                              CS_HREDRAW | CS_VREDRAW/*style*/,
  86                              FrameWndProc,
  87                              0/*cbClsExtra*/,
  88                              0/*cbWndExtra*/,
  89                              hInstance,
  90                              LoadIcon(hInstance, MAKEINTRESOURCE(IDI_REGEDIT)),
  91                              LoadCursor(0, IDC_ARROW),
  92                              0/*hbrBackground*/,
  93                              0/*lpszMenuName*/,
  94                              szFrameClass,
  95                              LoadImage(hInstance, MAKEINTRESOURCE(IDI_REGEDIT), IMAGE_ICON,
  96                                               GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), LR_SHARED)
  97                          };
  98     ATOM hFrameWndClass = RegisterClassEx(&wcFrame); /* register frame window class */
  99
 100     WNDCLASSEX wcChild = {
 101                              sizeof(WNDCLASSEX),
 102                              CS_HREDRAW | CS_VREDRAW/*style*/,
 103                              ChildWndProc,
 104                              0/*cbClsExtra*/,
 105                              sizeof(HANDLE)/*cbWndExtra*/,
 106                              hInstance,
 107                              LoadIcon(hInstance, MAKEINTRESOURCE(IDI_REGEDIT)),
 108                              LoadCursor(0, IDC_ARROW),
 109                              0/*hbrBackground*/,
 110                              0/*lpszMenuName*/,
 111                              szChildClass,
 112                              LoadImage(hInstance, MAKEINTRESOURCE(IDI_REGEDIT), IMAGE_ICON,
 113                                               GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), LR_SHARED)
 114
 115                          };
 116     ATOM hChildWndClass = RegisterClassEx(&wcChild); /* register child windows class */
 117     hChildWndClass = hChildWndClass; /* warning eater */
 118
 119     hMenuFrame = LoadMenuW(hInstance, MAKEINTRESOURCEW(IDR_REGEDIT_MENU));
 120     hPopupMenus = LoadMenuW(hInstance, MAKEINTRESOURCEW(IDR_POPUP_MENUS));
 121
 122     /* Initialize the Windows Common Controls DLL */
 123     InitCommonControls();
 124
 125     /* register our hex editor control */
 126     HexEdit_Register();
 127
 128     nClipboardFormat = RegisterClipboardFormat(strClipboardFormat);
 129     /* if (nClipboardFormat == 0) {
 130         DWORD dwError = GetLastError();
 131     } */
 132
 133     hFrameWnd = CreateWindowEx(0, MAKEINTRESOURCE(hFrameWndClass), szTitle,
 134                                WS_OVERLAPPEDWINDOW | WS_EX_CLIENTEDGE,
 135                                CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
 136                                NULL, hMenuFrame, hInstance, NULL/*lpParam*/);
 137
 138     if (!hFrameWnd) {
 139         return FALSE;
 140     }
 141
 142     /* Create the status bar */
 143     hStatusBar = CreateStatusWindowW(WS_VISIBLE|WS_CHILD|WS_CLIPSIBLINGS|SBT_NOBORDERS,
 144                                     &empty, hFrameWnd, STATUS_WINDOW);
 145     if (hStatusBar) {
 146         /* Create the status bar panes */
 147         SetupStatusBar(hFrameWnd, FALSE);
 148         CheckMenuItem(GetSubMenu(hMenuFrame, ID_VIEW_MENU), ID_VIEW_STATUSBAR, MF_BYCOMMAND|MF_CHECKED);
 149     }
 150     ShowWindow(hFrameWnd, nCmdShow);
 151     UpdateWindow(hFrameWnd);
 152     return TRUE;
 153 }
 154
 155 /******************************************************************************/
 156
 157 static void ExitInstance(void)
 158 {
 159     DestroyMenu(hMenuFrame);
 160 }
 161
 162 static BOOL TranslateChildTabMessage(MSG *msg)
 163 {
 164     if (msg->message != WM_KEYDOWN) return FALSE;
 165     if (msg->wParam != VK_TAB) return FALSE;
 166     if (GetParent(msg->hwnd) != g_pChildWnd->hWnd) return FALSE;
 167     PostMessage(g_pChildWnd->hWnd, WM_COMMAND, ID_SWITCH_PANELS, 0);
 168     return TRUE;
 169 }
 170
 171 int APIENTRY WinMain(HINSTANCE hInstance,
 172                      HINSTANCE hPrevInstance,
 173                      LPSTR     lpCmdLine,
 174                      int       nCmdShow)
 175 {
 176     MSG msg;
 177     HACCEL hAccel;
 178
 179     if (ProcessCmdLine(lpCmdLine)) {
 180         return 0;
 181     }
 182
 183     /* Initialize global strings */
 184     LoadString(hInstance, IDS_APP_TITLE, szTitle, COUNT_OF(szTitle));
 185     LoadStringW(hInstance, IDS_REGISTRY_DEFAULT_VALUE, g_pszDefaultValueName, COUNT_OF(g_pszDefaultValueName));
 186
 187     /* Store instance handle in our global variable */
 188     hInst = hInstance;
 189
 190     /* Perform application initialization */
 191     if (!InitInstance(hInstance, nCmdShow)) {
 192         return FALSE;
 193     }
 194     hAccel = LoadAccelerators(hInstance, (LPCTSTR)IDC_REGEDIT);
 195
 196     /* Main message loop */
 197     while (GetMessage(&msg, NULL, 0, 0)) {
 198         if (!TranslateAccelerator(hFrameWnd, hAccel, &msg)
 199            && !TranslateChildTabMessage(&msg)) {
 200             TranslateMessage(&msg);
 201             DispatchMessage(&msg);
 202         }
 203     }
 204     ExitInstance();
 205     return msg.wParam;
 206 }