1 files changed, 363 insertions, 0 deletions

diff --git a/private/utils/rdisk/help.c b/private/utils/rdisk/help.c
new file mode 100644
index 000000000..67ec72dd4
--- /dev/null
+++ b/private/utils/rdisk/help.c
@@ -0,0 +1,363 @@
+/*++
+
+Module Name:
+
+    help.c
+
+Abstract:
+
+
+Author:
+
+    Jaime Sasson - 10-Aug-1993
+
+Environment:
+
+    ULIB, Windows
+
+--*/
+
+#include "precomp.h"
+#pragma hdrstop
+
+
+//
+//  Global variables used in the module
+//
+
+HHOOK   _hHook;
+INT     _HelpContext;
+WCHAR   _HelpFile[ MAX_PATH + 1 ];
+
+
+
+LRESULT
+HelpHookProc(
+    IN INT      nCode,
+    IN WPARAM   wParam,
+    IN LPARAM   lParam
+    )
+
+/*++
+
+Routine Description:
+
+    Hook proc to detect F1 key presses.
+
+Arguments:
+
+    Standard arguments of a hook procedure.
+
+Return Value:
+
+--*/
+
+{
+    PMSG pmsg = (PMSG)lParam;
+
+    if(nCode < 0) {
+        return( CallNextHookEx( _hHook, nCode, wParam, lParam ) );
+    }
+
+    if(((nCode == MSGF_DIALOGBOX) || (nCode == MSGF_MENU))
+     && (pmsg->message == WM_KEYDOWN)
+     && (LOWORD(pmsg->wParam) == VK_F1))
+    {
+        PostMessage( _hWndMain, AP_HELP_KEY, nCode, 0);
+        return(TRUE);
+    }
+    return(FALSE);
+}
+
+
+BOOLEAN
+InitializeHelp(
+    IN PCWSTR    HelpFile
+    )
+
+/*++
+
+Routine Description:
+
+    Initialize the help module by initializing its global data.
+
+Arguments:
+
+    HelpFile - Name of the help file to be invoked.
+
+
+Return Value:
+
+    BOOLEAN - Returns TRUE if the initialization succeeded.
+              returns FALSE otherwise.
+
+--*/
+
+{
+
+    wcscpy( _HelpFile, HelpFile );
+
+    _hHook = SetWindowsHookEx( WH_MSGFILTER,
+                               HelpHookProc,
+                               NULL,
+                               GetCurrentThreadId() );
+
+    if( _hHook == NULL ) {
+        return( FALSE );
+    }
+    return( TRUE );
+}
+
+
+VOID
+CleanUpHelp(
+    )
+
+/*++
+
+Routine Description:
+
+    Clean up the HELP object, by unhooking HelpHookProc.
+Arguments:
+
+    None.
+
+Return Value:
+
+    None.
+
+--*/
+
+{
+    UnhookWindowsHookEx( _hHook );
+}
+
+
+
+
+VOID
+DisplayHelp(
+    )
+
+/*++
+
+Routine Description:
+
+    Display context-sensitive help.
+
+Arguments:
+
+    None.
+
+Return Value:
+
+    BOOLEAN - Returns TRUE if the operation succeeds. Otherwise, return FALSE.
+
+--*/
+
+{
+    if( _HelpContext != IDH_NONE ) {
+        WinHelp( _hWndMain,
+                 _HelpFile,
+                 (UINT)HELP_CONTEXT,
+                 _HelpContext );
+        DrawMenuBar( _hWndMain );
+    }
+
+
+}
+
+
+
+VOID
+DisplayHelpIndex(
+    )
+
+/*++
+
+Routine Description:
+
+    Invoke winhelp to display the help file index.
+
+Arguments:
+
+    None.
+
+Return Value:
+
+    None.
+
+--*/
+
+{
+    WinHelp( _hWndMain, _HelpFile, (UINT)HELP_INDEX, 0 );
+}
+
+
+VOID
+DisplayHelpOnHelp(
+    )
+
+/*++
+
+Routine Description:
+
+    Invoke winhelp to display help on help.
+
+Arguments:
+
+    None.
+
+Return Value:
+
+    None.
+
+--*/
+
+{
+    WinHelp( _hWndMain, _HelpFile, (UINT)HELP_HELPONHELP, 0 );
+}
+
+
+
+VOID
+DisplayHelpSearch(
+    )
+
+/*++
+
+Routine Description:
+
+    Invoke winhelp so that it prompt the user to enter a key.
+
+Arguments:
+
+    None.
+
+Return Value:
+
+    None.
+
+--*/
+
+{
+    WinHelp( _hWndMain, _HelpFile, (UINT)HELP_PARTIALKEY, (DWORD)"" );
+}
+
+
+VOID
+QuitHelp(
+    )
+
+/*++
+
+Routine Description:
+
+    Inform winhelp that help is no more needed.
+
+Arguments:
+
+    None.
+
+Return Value:
+
+    None.
+
+--*/
+
+{
+    WinHelp( _hWndMain, _HelpFile, (UINT)HELP_QUIT, 0 );
+}
+
+
+INT
+GetHelpContext(
+    )
+
+/*++
+
+Routine Description:
+
+    Return the current help context.
+
+Arguments:
+
+    None.
+
+Return Value:
+
+    INT - Ireturns the current help id.
+
+--*/
+
+{
+    return( _HelpContext );
+}
+
+
+
+VOID
+SetHelpContext(
+    IN  INT HelpId
+    )
+
+/*++
+
+Routine Description:
+
+    Set the current help context.
+
+Arguments:
+
+    HelpContext - Help context id.
+
+Return Value:
+
+    None.
+
+--*/
+
+{
+    _HelpContext = HelpId;
+}
+
+
+
+VOID
+SetMenuItemHelpContext(
+    IN WPARAM wParam,
+    IN LPARAM lParam
+    )
+
+/*++
+
+Routine Description:
+
+    Routine to set help context based on which menu item is currently
+    selected.
+
+Arguments:
+
+    wParam,lParam - params to window proc in WM_MENUSELECT case
+
+Return Value:
+
+    None.
+
+--*/
+
+{
+    if(HIWORD(lParam) == 0) {                   // menu closed
+        SetHelpContext( IDH_SAVE_REPAIR_INFO );
+
+    } else if (HIWORD(wParam) & MF_POPUP) {     // popup selected
+        SetHelpContext( IDH_NONE );
+
+    } else if (HIWORD(wParam) & MF_SYSMENU) {   // system menu
+        SetHelpContext( IDH_SYSTEM_MENU );
+
+    } else {                                    // regular old menu item
+        SetHelpContext( IDH_NONE );
+
+    }
+}