xref: /reactos/base/applications/regedit/main.c (revision 7353af1e)
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  * Global Variables:
27  */
28 
29 HINSTANCE hInst;
30 HWND hFrameWnd;
31 HWND hStatusBar;
32 HMENU hMenuFrame;
33 HMENU hPopupMenus = 0;
34 UINT nClipboardFormat;
35 LPCWSTR strClipboardFormat = L"TODO: SET CORRECT FORMAT";
36 
37 #define MAX_LOADSTRING  100
38 WCHAR szTitle[MAX_LOADSTRING];
39 WCHAR szFrameClass[MAX_LOADSTRING];
40 WCHAR szChildClass[MAX_LOADSTRING];
41 
42 
43 /*******************************************************************************
44  *
45  *
46  *   FUNCTION: InitInstance(HANDLE, int)
47  *
48  *   PURPOSE: Saves instance handle and creates main window
49  *
50  *   COMMENTS:
51  *
52  *        In this function, we save the instance handle in a global variable and
53  *        create and display the main program window.
54  */
55 
56 BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
57 {
58     BOOL AclUiAvailable;
59     HMENU hEditMenu;
60     INITCOMMONCONTROLSEX icce;
61     WNDCLASSEXW wcFrame;
62     WNDCLASSEXW wcChild;
63     ATOM hFrameWndClass;
64 
65     ZeroMemory(&wcFrame, sizeof(WNDCLASSEXW));
66     wcFrame.cbSize = sizeof(WNDCLASSEXW);
67     wcFrame.lpfnWndProc = FrameWndProc;
68     wcFrame.hInstance = hInstance;
69     wcFrame.hIcon = LoadIconW(hInstance, MAKEINTRESOURCEW(IDI_REGEDIT));
70     wcFrame.hIconSm = (HICON)LoadImageW(hInstance, MAKEINTRESOURCEW(IDI_REGEDIT),
71                                         IMAGE_ICON, GetSystemMetrics(SM_CXSMICON),
72                                         GetSystemMetrics(SM_CYSMICON), LR_SHARED);
73     wcFrame.hCursor = LoadCursorW(NULL, IDC_ARROW);
74     wcFrame.hbrBackground = (HBRUSH)(COLOR_3DFACE + 1);
75     wcFrame.lpszClassName = szFrameClass;
76 
77     hFrameWndClass = RegisterClassExW(&wcFrame); /* register frame window class */
78 
79     ZeroMemory(&wcChild, sizeof(WNDCLASSEXW));
80     wcChild.cbSize = sizeof(WNDCLASSEXW);
81     wcChild.lpfnWndProc = ChildWndProc;
82     wcChild.cbWndExtra = sizeof(HANDLE);
83     wcChild.hInstance = hInstance;
84     wcChild.hIcon = LoadIconW(hInstance, MAKEINTRESOURCEW(IDI_REGEDIT));
85     wcChild.hCursor = LoadCursorW(NULL, IDC_ARROW);
86     wcChild.hbrBackground = (HBRUSH)(COLOR_3DFACE + 1);
87     wcChild.lpszClassName = szChildClass;
88     wcChild.hIconSm = (HICON)LoadImageW(hInstance, MAKEINTRESOURCEW(IDI_REGEDIT),
89                                         IMAGE_ICON, GetSystemMetrics(SM_CXSMICON),
90                                         GetSystemMetrics(SM_CYSMICON), LR_SHARED);
91 
92     RegisterClassExW(&wcChild); /* register child windows class */
93 
94     RegisterHexEditorClass(hInstance);
95 
96     hMenuFrame = LoadMenuW(hInstance, MAKEINTRESOURCEW(IDR_REGEDIT_MENU));
97     hPopupMenus = LoadMenuW(hInstance, MAKEINTRESOURCEW(IDR_POPUP_MENUS));
98 
99     /* Initialize the Windows Common Controls DLL */
100     /* NOTE: Windows sets 0xFFFF to icce.dwICC but we use better value. */
101     icce.dwSize = sizeof(icce);
102     icce.dwICC = ICC_WIN95_CLASSES | ICC_STANDARD_CLASSES | ICC_USEREX_CLASSES;
103     InitCommonControlsEx(&icce);
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 = RegisterClipboardFormatW(strClipboardFormat);
123     /* if (nClipboardFormat == 0) {
124         DWORD dwError = GetLastError();
125     } */
126 
127     hFrameWnd = CreateWindowExW(WS_EX_WINDOWEDGE, (LPCWSTR)(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     {
134         return FALSE;
135     }
136 
137     /* Create the status bar */
138     hStatusBar = CreateStatusWindowW(WS_VISIBLE | WS_CHILD | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | SBT_NOBORDERS,
139                                      L"", hFrameWnd, STATUS_WINDOW);
140     if (hStatusBar)
141     {
142         /* Create the status bar panes */
143         SetupStatusBar(hFrameWnd, FALSE);
144         CheckMenuItem(GetSubMenu(hMenuFrame, ID_VIEW_MENU), ID_VIEW_STATUSBAR, MF_BYCOMMAND | MF_CHECKED);
145     }
146 
147     LoadSettings();
148     UpdateWindow(hFrameWnd);
149     return TRUE;
150 }
151 
152 /******************************************************************************/
153 
154 /*
155  * We need to destroy the main menu before destroying the main window
156  * to avoid a memory leak.
157  */
158 
159 void DestroyMainMenu()
160 {
161     DestroyMenu(hMenuFrame);
162 }
163 
164 /******************************************************************************/
165 
166 void ExitInstance(HINSTANCE hInstance)
167 {
168     UnregisterHexEditorClass(hInstance);
169 
170     DestroyMenu(hPopupMenus);
171     UnloadAclUiDll();
172 }
173 
174 BOOL TranslateChildTabMessage(PMSG msg)
175 {
176     if (msg->message != WM_KEYDOWN) return FALSE;
177 
178     /* Allow Ctrl+A on address bar */
179     if ((msg->hwnd == g_pChildWnd->hAddressBarWnd) &&
180         (msg->message == WM_KEYDOWN) &&
181         (msg->wParam == L'A') && (GetKeyState(VK_CONTROL) < 0))
182     {
183         SendMessageW(msg->hwnd, EM_SETSEL, 0, -1);
184         return TRUE;
185     }
186 
187     if (msg->wParam != VK_TAB) return FALSE;
188     if (GetParent(msg->hwnd) != g_pChildWnd->hWnd) return FALSE;
189     PostMessageW(g_pChildWnd->hWnd, WM_COMMAND, ID_SWITCH_PANELS, 0);
190     return TRUE;
191 }
192 
193 int APIENTRY wWinMain(HINSTANCE hInstance,
194                       HINSTANCE hPrevInstance,
195                       LPWSTR    lpCmdLine,
196                       int       nCmdShow)
197 {
198     MSG msg;
199     HACCEL hAccel;
200 
201     UNREFERENCED_PARAMETER(hPrevInstance);
202 
203     /* Initialize global strings */
204     LoadStringW(hInstance, IDS_APP_TITLE, szTitle, COUNT_OF(szTitle));
205     LoadStringW(hInstance, IDC_REGEDIT_FRAME, szFrameClass, COUNT_OF(szFrameClass));
206     LoadStringW(hInstance, IDC_REGEDIT, szChildClass, COUNT_OF(szChildClass));
207 
208     if (ProcessCmdLine(lpCmdLine))
209     {
210         return 0;
211     }
212 
213     switch (GetUserDefaultUILanguage())
214     {
215         case MAKELANGID(LANG_HEBREW, SUBLANG_DEFAULT):
216             SetProcessDefaultLayout(LAYOUT_RTL);
217             break;
218 
219         default:
220             break;
221     }
222     /* Store instance handle in our global variable */
223     hInst = hInstance;
224 
225     /* Perform application initialization */
226     if (!InitInstance(hInstance, nCmdShow))
227     {
228         return 0;
229     }
230     hAccel = LoadAcceleratorsW(hInstance, MAKEINTRESOURCEW(ID_ACCEL));
231 
232     /* Main message loop */
233     while (GetMessageW(&msg, NULL, 0, 0))
234     {
235         if (!TranslateAcceleratorW(hFrameWnd, hAccel, &msg) &&
236             !TranslateChildTabMessage(&msg))
237         {
238             TranslateMessage(&msg);
239             DispatchMessageW(&msg);
240         }
241     }
242 
243     ExitInstance(hInstance);
244     return (int)msg.wParam;
245 }
246 
247 /* EOF */
248