Implemented launching of date/time control panel applet

svn path=/trunk/; revision=5879

reactos/subsys/system/explorer/doc/TODO.txt

@@ -9,7 +9,7 @@
 - implement Drag Drop from the tree view.
 - activate accelerator keys like <DEL> in shell view folders
 - program manager "progman" DDE server
-- command line parameters like "/e,/root,c:\"
+- command line parameters like "/e,/root,c:\" and "::{20D04FE0-3AEA-1069-A2D8-08002B30309D}\::{21EC2020-3AEA-1069-A2DD-08002B30309D}" (launch auf control panel)
 - search functionality in start menu
 - Windows-key combos
 - Application Desktop Toolbars

reactos/subsys/system/explorer/taskbar/traynotify.cpp

@@ -303,6 +303,12 @@ LRESULT ClockWindow::WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam)
 		Paint();
 		break;
 
+	  case WM_LBUTTONDBLCLK:
+		//launch_file(_hwnd, _T("timedate.cpl"), SW_SHOWNORMAL);	// This would be enough, but we want the fastest solution.
+		//launch_file(_hwnd, _T("rundll32.exe /d shell32.dll,Control_RunDLL timedate.cpl"), SW_SHOWNORMAL);
+		RunDLL(_hwnd, _T("shell32"), "Control_RunDLL", _T("timedate.cpl"), SW_SHOWNORMAL);
+		break;
+
 	  default:
 		return super::WndProc(nmsg, wparam, lparam);
 	}

reactos/subsys/system/explorer/utility/utility.cpp

@@ -121,3 +121,33 @@ int find_window_class(LPCTSTR classname)
 
 	return 0;
 }
+
+
+typedef void (WINAPI*RUNDLLPROC)(HWND hwnd, HINSTANCE hinst, LPCTSTR cmdline, DWORD nCmdShow);
+
+BOOL RunDLL(HWND hwnd, LPCTSTR dllname, LPCSTR procname, LPCTSTR cmdline, UINT nCmdShow)
+{
+	HMODULE hmod = LoadLibrary(dllname);
+	if (!hmod)
+		return FALSE;
+
+/*TODO
+	<Windows NT/2000>
+	It is possible to create a Unicode version of the function.
+	Rundll32 first tries to find a function named EntryPointW.
+	If it cannot find this function, it tries EntryPointA, then EntryPoint.
+	To create a DLL that supports ANSI on Windows 95/98/Me and Unicode otherwise,
+	export two functions: EntryPointW and EntryPoint.
+*/
+	RUNDLLPROC proc = (RUNDLLPROC)GetProcAddress(hmod, procname);
+	if (!proc) {
+		FreeLibrary(hmod);
+		return FALSE;
+	}
+
+	proc(hwnd, hmod, cmdline, nCmdShow);
+
+	FreeLibrary(hmod);
+
+	return TRUE;
+}

reactos/subsys/system/explorer/utility/utility.h

@@ -401,6 +401,9 @@ extern BOOL time_to_filetime(const time_t* t, FILETIME* ftime);
  // search for windows of a specific classname
 extern int find_window_class(LPCTSTR classname);
 
+ // create a bitmap from an icon
+extern HBITMAP create_bitmap_from_icon(HICON hIcon, HBRUSH hbrush_bkgnd, HDC hdc_wnd);
+
  // launch a program or document file
 extern BOOL launch_file(HWND hwnd, LPCTSTR cmd, UINT nCmdShow);
 #ifdef UNICODE
@@ -409,8 +412,8 @@ extern BOOL launch_fileA(HWND hwnd, LPSTR cmd, UINT nCmdShow);
 #define	launch_fileA launch_file
 #endif
 
- // create a bitmap from an icon
+ // call an DLL export like rundll32
-extern HBITMAP create_bitmap_from_icon(HICON hIcon, HBRUSH hbrush_bkgnd, HDC hdc_wnd);
+BOOL RunDLL(HWND hwnd, LPCTSTR dllname, LPCSTR procname, LPCTSTR cmdline, UINT nCmdShow);
 
 
 #ifdef __cplusplus