mirror of https://github.com/acidanthera/audk.git
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
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@ -2,7 +2,7 @@
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Member functions of EFI_SHELL_PROTOCOL and functions for creation,
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manipulation, and initialization of EFI_SHELL_PROTOCOL.
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Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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@ -3336,8 +3336,8 @@ NotificationFunction(
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IN EFI_KEY_DATA *KeyData
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)
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{
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// ShellPrintEx(-1,-1,L" <Notify> ");
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if ((KeyData->Key.UnicodeChar == L'c' || KeyData->Key.UnicodeChar == 3) &&
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EFI_INPUT_KEY Key;
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if ((KeyData->Key.UnicodeChar == L'c' || KeyData->Key.UnicodeChar == 3) &&
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(KeyData->KeyState.KeyShiftState == (EFI_SHIFT_STATE_VALID|EFI_LEFT_CONTROL_PRESSED) || KeyData->KeyState.KeyShiftState == (EFI_SHIFT_STATE_VALID|EFI_RIGHT_CONTROL_PRESSED))
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){
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if (ShellInfoObject.NewEfiShellProtocol->ExecutionBreak == NULL) {
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@ -3348,6 +3348,12 @@ NotificationFunction(
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(KeyData->KeyState.KeyShiftState == (EFI_SHIFT_STATE_VALID|EFI_LEFT_CONTROL_PRESSED) || KeyData->KeyState.KeyShiftState == (EFI_SHIFT_STATE_VALID|EFI_RIGHT_CONTROL_PRESSED))
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){
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ShellInfoObject.HaltOutput = TRUE;
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//
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// Make sure that there are no pending keystrokes to pervent the pause.
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//
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gST->ConIn->Reset(gST->ConIn, FALSE);
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while (gST->ConIn->ReadKeyStroke (gST->ConIn, &Key)==EFI_SUCCESS);
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}
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return (EFI_SUCCESS);
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}
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