Command line option "-install" to replace previously installed shell application

svn path=/trunk/; revision=8441

diff --git a/reactos/subsys/system/explorer/doxy-footer.html b/reactos/subsys/system/explorer/doxy-footer.html
index 3508d65..e6d0fc2 100644 (file)
--- a/reactos/subsys/system/explorer/doxy-footer.html
+++ b/reactos/subsys/system/explorer/doxy-footer.html
@@ -3,7 +3,7 @@
   <tr>
     <td><address style="align: right;"><small>
 ROS Explorer Source Code Documentation
-<br>generated on 26.02.2004 by <a href="http://www.doxygen.org/index.html">
+<br>generated on 28.02.2004 by <a href="http://www.doxygen.org/index.html">
 <img src="doxygen.png" alt="doxygen" align="middle" border=0>
        </small></address>
        </td>

diff --git a/reactos/subsys/system/explorer/explorer.cpp b/reactos/subsys/system/explorer/explorer.cpp
index de8c4e1..081083c 100644 (file)
--- a/reactos/subsys/system/explorer/explorer.cpp
+++ b/reactos/subsys/system/explorer/explorer.cpp
@@ -620,11 +620,53 @@ int WINAPI _tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdL
 {
        CONTEXT("WinMain()");
 
-        // create desktop window and task bar only, if there is no other shell and we are
-        // the first explorer instance
-       BOOL startup_desktop = !IsAnyDesktopRunning();
+       BOOL any_desktop_running = IsAnyDesktopRunning();
 
-       bool autostart = true;
+       BOOL startup_desktop;
+
+        // command line option "-install" to replace previous shell application with ROS Explorer
+       if (_tcsstr(lpCmdLine,TEXT("-install"))) {
+                // install ROS Explorer into the registry
+               TCHAR path[MAX_PATH];
+
+               int l = GetModuleFileName(0, path, MAX_PATH);
+               if (l) {
+                       HKEY hkey;
+
+                       if (!RegOpenKey(HKEY_LOCAL_MACHINE, TEXT("SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Winlogon"), &hkey)) {
+
+                               ///@todo save previous shell application in config file
+
+                               RegSetValueEx(hkey, TEXT("Shell"), 0, REG_SZ, (LPBYTE)path, l*sizeof(TCHAR));
+                               RegCloseKey(hkey);
+                       }
+               }
+
+               HWND shellWindow = GetShellWindow();
+
+               if (shellWindow) {
+                       DWORD pid;
+
+                        // terminate shell process for NT like systems
+                       GetWindowThreadProcessId(shellWindow, &pid);
+                       HANDLE hProcess = OpenProcess(PROCESS_ALL_ACCESS, FALSE, pid);
+
+                        // On Win 9x it's sufficient to destroy the shell window.
+                       DestroyWindow(shellWindow);
+
+                       if (TerminateProcess(hProcess, 0))
+                               WaitForSingleObject(hProcess, INFINITE);
+
+                       CloseHandle(hProcess);
+               }
+
+               startup_desktop = TRUE;
+       } else
+                // create desktop window and task bar only, if there is no other shell and we are
+                // the first explorer instance
+               startup_desktop = !any_desktop_running;
+
+       bool autostart = !any_desktop_running;
 
         // disable autostart if the SHIFT key is pressed
        if (GetAsyncKeyState(VK_SHIFT) < 0)
@@ -646,6 +688,8 @@ int WINAPI _tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdL
 
        if (_tcsstr(lpCmdLine,TEXT("-noautostart")))
                autostart = false;
+       else if (_tcsstr(lpCmdLine,TEXT("-autostart")))
+               autostart = true;
 
 #ifndef __WINE__
        if (_tcsstr(lpCmdLine,TEXT("-console"))) {