ShellPkg: Fix SimpleTextInputEx based "CTRL-S" by emptying the buffer to prevent immediate release of the pause.

signed-off-by: jcarsey
reviewed-by: leegrosenbaum

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12944 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jcarsey 2012-01-19 18:18:12 +00:00
parent e9a9efb8e5
commit ecfd71af17
1 changed files with 9 additions and 3 deletions

View File

@ -2,7 +2,7 @@
Member functions of EFI_SHELL_PROTOCOL and functions for creation, Member functions of EFI_SHELL_PROTOCOL and functions for creation,
manipulation, and initialization of EFI_SHELL_PROTOCOL. manipulation, and initialization of EFI_SHELL_PROTOCOL.
Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR> Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at which accompanies this distribution. The full text of the license may be found at
@ -3336,7 +3336,7 @@ NotificationFunction(
IN EFI_KEY_DATA *KeyData IN EFI_KEY_DATA *KeyData
) )
{ {
// ShellPrintEx(-1,-1,L" <Notify> "); EFI_INPUT_KEY Key;
if ((KeyData->Key.UnicodeChar == L'c' || KeyData->Key.UnicodeChar == 3) && if ((KeyData->Key.UnicodeChar == L'c' || KeyData->Key.UnicodeChar == 3) &&
(KeyData->KeyState.KeyShiftState == (EFI_SHIFT_STATE_VALID|EFI_LEFT_CONTROL_PRESSED) || KeyData->KeyState.KeyShiftState == (EFI_SHIFT_STATE_VALID|EFI_RIGHT_CONTROL_PRESSED)) (KeyData->KeyState.KeyShiftState == (EFI_SHIFT_STATE_VALID|EFI_LEFT_CONTROL_PRESSED) || KeyData->KeyState.KeyShiftState == (EFI_SHIFT_STATE_VALID|EFI_RIGHT_CONTROL_PRESSED))
){ ){
@ -3348,6 +3348,12 @@ NotificationFunction(
(KeyData->KeyState.KeyShiftState == (EFI_SHIFT_STATE_VALID|EFI_LEFT_CONTROL_PRESSED) || KeyData->KeyState.KeyShiftState == (EFI_SHIFT_STATE_VALID|EFI_RIGHT_CONTROL_PRESSED)) (KeyData->KeyState.KeyShiftState == (EFI_SHIFT_STATE_VALID|EFI_LEFT_CONTROL_PRESSED) || KeyData->KeyState.KeyShiftState == (EFI_SHIFT_STATE_VALID|EFI_RIGHT_CONTROL_PRESSED))
){ ){
ShellInfoObject.HaltOutput = TRUE; ShellInfoObject.HaltOutput = TRUE;
//
// Make sure that there are no pending keystrokes to pervent the pause.
//
gST->ConIn->Reset(gST->ConIn, FALSE);
while (gST->ConIn->ReadKeyStroke (gST->ConIn, &Key)==EFI_SUCCESS);
} }
return (EFI_SUCCESS); return (EFI_SUCCESS);
} }