ShellPkg: Added the Ctrl based hot key and changed text editor's UI.

* Add Ctrl-E hotkey for help
* Add Ctrl based hotkey alternatives to function hotkeys
* Don't show hotkey help on the main screen
* Change the file buffer's row count for display to adjust the new screen format
* Change the edit status bar location, the new edit status bar is in the last line
* Change the location of the edit bar, the new edit input bar is in the last line

Signed-off-by: kidzyoung
reviewed-by: jcarsey
reviewed-by: jljusten
reviewed-by: jiang

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12036 6f19259b-4bc3-4df7-8a09-765794883524

ShellPkg/Library/UefiShellDebug1CommandsLib/EditMenuBar.h

@@ -15,6 +15,20 @@
 #ifndef _LIB_MENU_BAR_H_
 #define _LIB_MENU_BAR_H_
 
+#define SCAN_CONTROL_E  5
+#define SCAN_CONTROL_F  6
+#define SCAN_CONTROL_G  7
+#define SCAN_CONTROL_K  11
+#define SCAN_CONTROL_O  15
+#define SCAN_CONTROL_Q  17
+#define SCAN_CONTROL_R  18
+#define SCAN_CONTROL_S  19
+#define SCAN_CONTROL_T  20
+#define SCAN_CONTROL_U  21
+#define SCAN_CONTROL_W  23
+#define SCAN_CONTROL_Z  26
+
+
 typedef
 EFI_STATUS
 (*MENU_ITEM_FUNCTION) (
@@ -41,6 +55,19 @@ MenuBarInit (
   IN CONST EDITOR_MENU_ITEM  *Items
   );
 
+/**
+  Initialize the control hot-key with the specified items.
+
+  @param[in] Items              The hot-key functions.
+
+  @retval EFI_SUCCESS           The initialization was correct.
+**/
+EFI_STATUS
+EFIAPI
+ControlHotKeyInit (
+  IN MENU_ITEM_FUNCTION  *Items
+  );
+
 /**
   Cleanup function for a menu bar.  frees all allocated memory.
 **/
@@ -80,4 +107,19 @@ MenuBarDispatchFunctionKey (
   IN CONST EFI_INPUT_KEY   *Key
   );
 
+/**
+  Function to dispatch the correct function based on a control-based key (ctrl+o...)
+
+  @param[in] Key                The pressed key.
+
+  @retval EFI_NOT_FOUND         The key was not a valid control-based key 
+                                (an error was sent to the status bar).
+  @return EFI_SUCCESS.
+**/
+EFI_STATUS
+EFIAPI
+MenuBarDispatchControlHotKey (
+  IN CONST EFI_INPUT_KEY   *Key
+  );
+
 #endif