1395 lines
32 KiB
C
1395 lines
32 KiB
C
/*++
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Copyright (c) 1993 Microsoft Corporation
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Module Name:
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spdsputl.c
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Abstract:
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Display utility routines for text setup.
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Author:
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Ted Miller (tedm) 12-Aug-1993
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Revision History:
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--*/
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#include "spprecmp.h"
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#pragma hdrstop
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extern BOOLEAN ForceConsole;
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BOOLEAN DisableCmdConsStatusText = TRUE;
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//
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// This value will hold the localized mnemonic keys,
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// in order indicated by the MNEMONIC_KEYS enum.
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//
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PWCHAR MnemonicValues;
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//
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// As messages are built on on-screen, this value remembers where
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// the next message in the screen should be placed.
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//
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ULONG NextMessageTopLine = 0;
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ULONG
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SpDisplayText(
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IN PWCHAR Message,
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IN ULONG MsgLen,
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IN BOOLEAN CenterHorizontally,
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IN BOOLEAN CenterVertically,
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IN UCHAR Attribute,
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IN ULONG X,
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IN ULONG Y
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)
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/*++
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Routine Description:
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Worker routine for vSpDisplayFormattedMessage().
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Arguments:
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Message - supplies message text.
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MsgLen - supplies the number of unicode characters in the message,
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including the terminating nul.
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CenterHorizontally - if TRUE, each line will be centered horizontally
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on the screen.
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Attribute - supplies attributes for text.
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X - supplies the x coordinate (0-based) for the left margin of the text.
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If the text spans multiple line, all will start at this coordinate.
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Y - supplies the y coordinate (0-based) for the first line of
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the text.
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arglist - supply arguments gfor insertion into the given message.
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Return Value:
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Number of lines the text took up on the screen, unless CenterVertically
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is TRUE, in which case n is the line number of the first line below where
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the text was displayed.
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--*/
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{
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PWCHAR p,q;
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WCHAR c;
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ULONG y;
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int i;
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//
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// Must have at least one char + terminating nul in there.
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//
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if(MsgLen <= 1) {
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return(CenterVertically ? (VideoVars.ScreenHeight/2) : 0);
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}
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//
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// MsgLen includes terminating nul.
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//
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p = Message + MsgLen - 1;
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//
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// Find last non-space char in message.
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//
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while((p > Message) && SpIsSpace(*(p-1))) {
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p--;
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}
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//
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// Find end of the last significant line and terminate the message
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// after it.
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//
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if(q = wcschr(p,L'\n')) {
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*(++q) = 0;
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}
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for(i = (CenterVertically ? 0 : 1); i<2; i++) {
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for(y=Y, p=Message; q = SpFindCharFromListInString(p,L"\n\r"); y++) {
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c = *q;
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*q = 0;
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if(i) {
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BOOLEAN Intense = (BOOLEAN)((p[0] == L'%') && (p[1] == L'I'));
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SpvidDisplayString(
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Intense ? p+2 : p,
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(UCHAR)(Attribute | (Intense ? ATT_FG_INTENSE : 0)),
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CenterHorizontally
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? (VideoVars.ScreenWidth-(SplangGetColumnCount(p)-(Intense ? 2 : 0)))/2 : X,
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y
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);
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}
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*q = c;
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//
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// If cr/lf terminated the line, make sure we skip both chars.
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//
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if((c == L'\r') && (*(q+1) == L'\n')) {
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q++;
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}
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p = ++q;
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}
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//
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// Write the final line (if there is one).
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//
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if(i) {
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if(wcslen(p)) {
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SpvidDisplayString(
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p,
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Attribute,
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CenterHorizontally ? (VideoVars.ScreenWidth-SplangGetColumnCount(p))/2 : X,
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y++
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);
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}
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}
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if(i == 0) {
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//
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// Center the text on the screen (not within the client area).
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//
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Y = (VideoVars.ScreenHeight - (y-Y)) / 2;
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}
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}
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return(CenterVertically ? y : (y-Y));
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}
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ULONG
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vSpDisplayFormattedMessage(
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IN ULONG MessageId,
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IN BOOLEAN CenterHorizontally,
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IN BOOLEAN CenterVertically,
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IN UCHAR Attribute,
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IN ULONG X,
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IN ULONG Y,
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IN va_list arglist
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)
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/*++
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Routine Description:
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A formatted multiline message may be displayed with this routine.
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The format string is fetched from setup's text resources; arguments
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are substituted into the format string according to FormatMessage
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semantics.
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The screen is NOT cleared by this routine.
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If a line starts with %I (ie, the first 2 characters at the
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start of the message, or after a newline), it will be displayed
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with the intensity attribute on.
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Arguments:
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MessageId - supplies id of message resource containing the text,
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which is treated as a format string for FormatMessage.
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CenterHorizontally - if TRUE, each line will be centered horizontally
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on the screen.
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Attribute - supplies attributes for text.
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X - supplies the x coordinate (0-based) for the left margin of the text.
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If the text spans multiple line, all will start at this coordinate.
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Y - supplies the y coordinate (0-based) for the first line of
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the text.
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arglist - supply arguments gfor insertion into the given message.
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Return Value:
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Number of lines the text took up on the screen, unless CenterVertically
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is TRUE, in which case n is the line number of the first line below where
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the text was displayed.
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--*/
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{
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ULONG BytesInMsg;
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ULONG n;
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vSpFormatMessage(TemporaryBuffer,sizeof(TemporaryBuffer),MessageId,&BytesInMsg,&arglist);
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//
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// Must have at least one char + terminating nul in there.
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//
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if(BytesInMsg <= sizeof(WCHAR)) {
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return(CenterVertically ? (VideoVars.ScreenHeight/2) : 0);
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}
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n = SpDisplayText(
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TemporaryBuffer,
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BytesInMsg / sizeof(WCHAR),
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CenterHorizontally,
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CenterVertically,
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Attribute,
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X,
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Y
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);
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return(n);
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}
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ULONG
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SpDisplayFormattedMessage(
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IN ULONG MessageId,
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IN BOOLEAN CenterHorizontally,
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IN BOOLEAN CenterVertically,
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IN UCHAR Attribute,
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IN ULONG X,
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IN ULONG Y,
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...
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)
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/*++
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Routine Description:
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Display a message on the screen. Does not clear the screen first.
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Arguments:
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MessageId - supplies id of message resource containing the text,
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which is treated as a format string for FormatMessage.
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CenterHorizontally - if TRUE, each line will be centered horizontally
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on the screen.
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Attribute - supplies attributes for text.
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X - supplies the x coordinate (0-based) for the left margin of the text.
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If the text spans multiple line, all will start at this coordinate.
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Y - supplies the y coordinate (0-based) for the first line of
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the text.
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... - supply arguments gfor insertion into the given message.
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Return Value:
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Number of lines the text took up on the screen.
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--*/
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{
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va_list arglist;
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ULONG n;
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va_start(arglist,Y);
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n = vSpDisplayFormattedMessage(
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MessageId,
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CenterHorizontally,
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CenterVertically,
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Attribute,
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X,
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Y,
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arglist
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);
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va_end(arglist);
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return(n);
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}
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VOID
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SpDisplayHeaderText(
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IN ULONG MessageId,
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IN UCHAR Attribute
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)
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/*++
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Routine Description:
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Display text in the header area of the screen. The header area will be
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cleared to the given attribute before displaying the text. We will
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draw a double-underline under the text also.
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Arguments:
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MessageId - supplies id of message resource containing the text.
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Attribute - supplies attributes for text.
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Return Value:
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none.
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--*/
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{
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ULONG Length,i;
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WCHAR Underline;
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WCHAR *p;
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SpvidClearScreenRegion(0,0,VideoVars.ScreenWidth,HEADER_HEIGHT,(UCHAR)(Attribute >> 4));
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//
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// Get message and display at (1,1)
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//
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vSpFormatMessage(TemporaryBuffer,sizeof(TemporaryBuffer),MessageId,NULL,NULL);
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p = (WCHAR *)TemporaryBuffer;
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SpvidDisplayString(p,Attribute,1,1);
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//
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// Build a row of underline characters.
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//
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Length = SplangGetColumnCount(p) + 2;
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Underline = SplangGetLineDrawChar(LineCharDoubleHorizontal);
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for(i=0; i<Length; i++) {
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p[i] = Underline;
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}
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p[Length] = 0;
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SpvidDisplayString(p,Attribute,0,2);
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}
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#define MAX_STATUS_ACTION_LABEL 50
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WCHAR StatusActionLabel[MAX_STATUS_ACTION_LABEL];
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ULONG StatusActionLeftX;
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ULONG StatusActionObjectX;
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BOOLEAN StatusActionLabelDisplayed = FALSE;
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VOID
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SpDisplayStatusActionLabel(
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IN ULONG ActionMessageId, OPTIONAL
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IN ULONG FieldWidth
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)
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{
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ULONG l;
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if(ActionMessageId) {
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//
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// Prefix the text with a separating vertical bar.
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//
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StatusActionLabel[0] = SplangGetLineDrawChar(LineCharSingleVertical);
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//
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// Fetch the action verb (something like "Copying:")
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//
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SpFormatMessage(
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StatusActionLabel+1,
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sizeof(StatusActionLabel)-sizeof(WCHAR),
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ActionMessageId
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);
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//
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// Now calculate the position on the status line
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// for the action label. We want to leave 1 space
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// between the colon and the object, and a space between
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// the object and the rightmost column on the screen.
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//
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l = SplangGetColumnCount(StatusActionLabel);
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StatusActionObjectX = VideoVars.ScreenWidth - FieldWidth - 1;
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StatusActionLeftX = StatusActionObjectX - l - 1;
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//
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// Display the label and clear out the rest of the line.
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//
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SpvidDisplayString(
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StatusActionLabel,
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DEFAULT_STATUS_ATTRIBUTE,
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StatusActionLeftX,
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VideoVars.ScreenHeight-STATUS_HEIGHT
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);
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SpvidClearScreenRegion(
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StatusActionObjectX-1,
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VideoVars.ScreenHeight-STATUS_HEIGHT,
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VideoVars.ScreenWidth-StatusActionObjectX+1,
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STATUS_HEIGHT,
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DEFAULT_STATUS_BACKGROUND
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);
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StatusActionLabelDisplayed = TRUE;
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} else {
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//
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// Caller wants to clear out the previous area.
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//
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StatusActionLabel[0] = 0;
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SpvidClearScreenRegion(
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StatusActionLeftX,
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VideoVars.ScreenHeight-STATUS_HEIGHT,
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VideoVars.ScreenWidth-StatusActionLeftX,
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STATUS_HEIGHT,
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DEFAULT_STATUS_BACKGROUND
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);
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StatusActionLabelDisplayed = FALSE;
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}
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}
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VOID
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SpDisplayStatusActionObject(
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IN PWSTR ObjectText
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)
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{
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//
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// clear the area and draw the text.
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//
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SpvidClearScreenRegion(
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StatusActionObjectX,
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VideoVars.ScreenHeight-STATUS_HEIGHT,
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VideoVars.ScreenWidth-StatusActionObjectX,
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STATUS_HEIGHT,
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DEFAULT_STATUS_BACKGROUND
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);
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SpvidDisplayString(
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ObjectText,
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DEFAULT_STATUS_ATTRIBUTE,
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StatusActionObjectX,
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VideoVars.ScreenHeight-STATUS_HEIGHT
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);
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}
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VOID
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SpCmdConsEnableStatusText(
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IN BOOLEAN EnableStatusText
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)
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{
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DisableCmdConsStatusText = !EnableStatusText;
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}
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VOID
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SpDisplayStatusText(
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IN ULONG MessageId,
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IN UCHAR Attribute,
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...
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)
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{
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va_list arglist;
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if (ForceConsole && DisableCmdConsStatusText) {
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return;
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}
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SpvidClearScreenRegion(
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0,
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VideoVars.ScreenHeight-STATUS_HEIGHT,
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VideoVars.ScreenWidth,
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STATUS_HEIGHT,
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(UCHAR)(Attribute >> 4) // background part of attribute
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);
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va_start(arglist,Attribute);
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vSpDisplayFormattedMessage(
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MessageId,
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FALSE,FALSE, // no centering
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Attribute,
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2,
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VideoVars.ScreenHeight-STATUS_HEIGHT,
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arglist
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);
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va_end(arglist);
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}
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VOID
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SpDisplayStatusOptions(
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IN UCHAR Attribute,
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...
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)
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{
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WCHAR StatusText[79];
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WCHAR Option[79];
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va_list arglist;
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ULONG MessageId;
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StatusText[0] = 0;
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va_start(arglist,Attribute);
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while(MessageId = va_arg(arglist,ULONG)) {
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//
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// Fetch the message text for this option.
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//
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Option[0] = 0;
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SpFormatMessage(Option,sizeof(Option),MessageId);
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//
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// If the option fits, place it in the status text line we're
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// building up.
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//
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if((SplangGetColumnCount(StatusText) + SplangGetColumnCount(Option) + 2)
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< (sizeof(StatusText)/sizeof(StatusText[0]))) {
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wcscat(StatusText,L" ");
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wcscat(StatusText,Option);
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}
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}
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va_end(arglist);
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//
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// Display the text.
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//
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SpvidClearScreenRegion(
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0,
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VideoVars.ScreenHeight-STATUS_HEIGHT,
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VideoVars.ScreenWidth,
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STATUS_HEIGHT,
|
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(UCHAR)(Attribute >> (UCHAR)4) // background part of attribute
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);
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SpvidDisplayString(StatusText,Attribute,0,VideoVars.ScreenHeight-STATUS_HEIGHT);
|
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}
|
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|
|
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VOID
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SpStartScreen(
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IN ULONG MessageId,
|
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IN ULONG LeftMargin,
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IN ULONG TopLine,
|
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IN BOOLEAN CenterHorizontally,
|
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IN BOOLEAN CenterVertically,
|
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IN UCHAR Attribute,
|
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...
|
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)
|
|
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Display a formatted message on the screen, treating it as the first
|
|
message in what might be a multi-message screen.
|
|
|
|
The client area of the screen will be cleared before displaying the message.
|
|
|
|
Arguments:
|
|
|
|
MessageId - supplies id of message resource containing the text.
|
|
|
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LeftMargin - supplies the 0-based x-coordinate for the each line of the text.
|
|
|
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TopLine - supplies the 0-based y-coordinate for the topmost line of the text.
|
|
|
|
CenterHorizontally - if TRUE, each line in the message will be printed
|
|
centered horizontally. In this case, LeftMargin is ignored.
|
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|
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CenterVertically - if TRUE, the message will approximately centered vertically
|
|
within the client area of the screen. In this case, TopLine is ignored.
|
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|
|
Attribute - supplies attribute for text.
|
|
|
|
... - supply arguments for insertion/substitution into the message text.
|
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|
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Return Value:
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none.
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--*/
|
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|
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{
|
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va_list arglist;
|
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ULONG n;
|
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|
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CLEAR_CLIENT_SCREEN();
|
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|
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va_start(arglist,Attribute);
|
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|
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n = vSpDisplayFormattedMessage(
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MessageId,
|
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CenterHorizontally,
|
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CenterVertically,
|
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Attribute,
|
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LeftMargin,
|
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TopLine,
|
|
arglist
|
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);
|
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|
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va_end(arglist);
|
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|
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//
|
|
// Remember where the message ended.
|
|
//
|
|
NextMessageTopLine = CenterVertically ? n : TopLine+n;
|
|
}
|
|
|
|
|
|
|
|
VOID
|
|
SpContinueScreen(
|
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IN ULONG MessageId,
|
|
IN ULONG LeftMargin,
|
|
IN ULONG SpacingLines,
|
|
IN BOOLEAN CenterHorizontally,
|
|
IN UCHAR Attribute,
|
|
...
|
|
)
|
|
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Display a formatted message on the screen, treating it as the continuation
|
|
of a multi-message screen previously begun by calling SpStartScreen().
|
|
The message will be placed under the previously displayed message.
|
|
|
|
Arguments:
|
|
|
|
MessageId - supplies id of message resource containing the text.
|
|
|
|
LeftMargin - supplies the 0-based x-coordinate for the each line of the text.
|
|
|
|
SpacingLines - supplies the number of lines to leave between the end of the
|
|
previous message and the start of this message.
|
|
|
|
CenterHorizontally - if TRUE, each line in the message will be printed
|
|
centered horizontally. In this case, LeftMargin is ignored.
|
|
|
|
Attribute - supplies attribute for text.
|
|
|
|
... - supply arguments for insertion/substitution into the message text.
|
|
|
|
Return Value:
|
|
|
|
none.
|
|
|
|
--*/
|
|
|
|
{
|
|
va_list arglist;
|
|
ULONG n;
|
|
|
|
va_start(arglist,Attribute);
|
|
|
|
n = vSpDisplayFormattedMessage(
|
|
MessageId,
|
|
CenterHorizontally,
|
|
FALSE,
|
|
Attribute,
|
|
LeftMargin,
|
|
NextMessageTopLine + SpacingLines,
|
|
arglist
|
|
);
|
|
|
|
va_end(arglist);
|
|
|
|
//
|
|
// Remember where the message ended.
|
|
//
|
|
NextMessageTopLine += n + SpacingLines;
|
|
}
|
|
|
|
|
|
VOID
|
|
vSpDisplayRawMessage(
|
|
IN ULONG MessageId,
|
|
IN ULONG SpacingLines,
|
|
IN va_list arglist
|
|
)
|
|
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This routine outputs a multiline message to the screen, dumping it
|
|
terminal style, to the console.
|
|
|
|
The format string is fetched from setup's text resources; arguments are
|
|
substituted into the format string according to FormatMessage semantics;
|
|
and then the resulting unicode string is translated into an ANSI string
|
|
suitable for the HAL printing routine.
|
|
|
|
The screen is NOT cleared by this routine.
|
|
|
|
Arguments:
|
|
|
|
MessageId - supplies id of message resource containing the text,
|
|
which is treated as a format string for FormatMessage.
|
|
|
|
SpacingLines - supplies the number of lines to skip down before starting this
|
|
message.
|
|
|
|
arglist - supply arguments for insertion into the given message.
|
|
|
|
Return Value:
|
|
|
|
none.
|
|
|
|
--*/
|
|
|
|
{
|
|
ULONG BytesInMsg, BufferLeft, i;
|
|
PWCHAR p, q;
|
|
WCHAR c;
|
|
PUCHAR HalPrintString;
|
|
|
|
vSpFormatMessage(
|
|
TemporaryBuffer,
|
|
sizeof(TemporaryBuffer),
|
|
MessageId,
|
|
&BytesInMsg,
|
|
&arglist
|
|
);
|
|
|
|
//
|
|
// Must have at least one char + terminating nul in there.
|
|
//
|
|
if(BytesInMsg <= sizeof(WCHAR)) {
|
|
return;
|
|
} else {
|
|
for(i=0; i<SpacingLines; i++) {
|
|
InbvDisplayString("\r\n");
|
|
}
|
|
}
|
|
|
|
//
|
|
// BytesInMsg includes terminating nul.
|
|
//
|
|
p = TemporaryBuffer + (BytesInMsg / sizeof(WCHAR)) - 1;
|
|
|
|
//
|
|
// Find last non-space char in message.
|
|
//
|
|
while((p > TemporaryBuffer) && SpIsSpace(*(p-1))) {
|
|
p--;
|
|
}
|
|
|
|
//
|
|
// Find end of the last significant line and terminate the message
|
|
// after it.
|
|
//
|
|
if(q = wcschr(p, L'\n')) {
|
|
*(++q) = 0;
|
|
q++;
|
|
} else {
|
|
q = TemporaryBuffer + (BytesInMsg / sizeof(WCHAR));
|
|
}
|
|
|
|
//
|
|
// Grab rest of buffer to put ANSI translation into
|
|
//
|
|
HalPrintString = (PUCHAR)q;
|
|
BufferLeft = (ULONG)(sizeof(TemporaryBuffer) - ((PUCHAR)q - (PUCHAR)TemporaryBuffer));
|
|
|
|
//
|
|
// Print out message, line-by-line
|
|
//
|
|
for(p=TemporaryBuffer; q = SpFindCharFromListInString(p, L"\n\r"); ) {
|
|
|
|
c = *q;
|
|
*q = 0;
|
|
|
|
RtlUnicodeToOemN(
|
|
HalPrintString,
|
|
BufferLeft,
|
|
&BytesInMsg,
|
|
p,
|
|
(ULONG)((PUCHAR)q - (PUCHAR)p + sizeof(WCHAR))
|
|
);
|
|
|
|
if(BytesInMsg) {
|
|
InbvDisplayString(HalPrintString);
|
|
}
|
|
|
|
InbvDisplayString("\r\n");
|
|
|
|
*q = c;
|
|
|
|
//
|
|
// If cr/lf terminated the line, make sure we skip both chars.
|
|
//
|
|
if((c == L'\r') && (*(q+1) == L'\n')) {
|
|
q++;
|
|
}
|
|
|
|
p = ++q;
|
|
}
|
|
|
|
//
|
|
// Write the final line (if there is one).
|
|
//
|
|
if(wcslen(p)) {
|
|
|
|
RtlUnicodeToOemN(
|
|
HalPrintString,
|
|
BufferLeft,
|
|
&BytesInMsg,
|
|
p,
|
|
(wcslen(p) + 1) * sizeof(WCHAR)
|
|
);
|
|
|
|
if(BytesInMsg) {
|
|
InbvDisplayString(HalPrintString);
|
|
}
|
|
InbvDisplayString("\r\n");
|
|
|
|
}
|
|
}
|
|
|
|
|
|
VOID
|
|
SpDisplayRawMessage(
|
|
IN ULONG MessageId,
|
|
IN ULONG SpacingLines,
|
|
...
|
|
)
|
|
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Output a message to the screen using the HAL-supplied console output routine.
|
|
The message is merely dumped, line-by-line, to the screen, terminal-style.
|
|
|
|
Arguments:
|
|
|
|
MessageId - supplies id of message resource containing the text,
|
|
which is treated as a format string for FormatMessage.
|
|
|
|
SpacingLines - supplies the number of lines to skip down before starting this
|
|
message.
|
|
|
|
... - supply arguments for insertion into the given message.
|
|
|
|
Return Value:
|
|
|
|
none.
|
|
|
|
--*/
|
|
|
|
{
|
|
va_list arglist;
|
|
|
|
va_start(arglist, SpacingLines);
|
|
|
|
vSpDisplayRawMessage(
|
|
MessageId,
|
|
SpacingLines,
|
|
arglist
|
|
);
|
|
|
|
va_end(arglist);
|
|
}
|
|
|
|
|
|
VOID
|
|
SpBugCheck(
|
|
IN ULONG BugCode,
|
|
IN ULONG Param1,
|
|
IN ULONG Param2,
|
|
IN ULONG Param3
|
|
)
|
|
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Display a message on the screen, informing the user that a fatal
|
|
Setup error has occurred, and that they should reboot the machine.
|
|
|
|
Arguments:
|
|
|
|
BugCode - Bugcheck code number as defined in spmisc.h and documented in
|
|
ntos\nls\bugcodes.txt
|
|
|
|
Param1 - 1st informative parameter
|
|
|
|
Param2 - 2nd informative parameter
|
|
|
|
Param3 - 3rd informative parameter
|
|
|
|
Return Value:
|
|
|
|
DOES NOT RETURN
|
|
|
|
--*/
|
|
|
|
{
|
|
if(VideoInitialized) {
|
|
|
|
//
|
|
// If we are in upgrade graphics mode then
|
|
// switch to textmode
|
|
//
|
|
SpvidSwitchToTextmode();
|
|
|
|
|
|
SpStartScreen(
|
|
SP_SCRN_FATAL_SETUP_ERROR,
|
|
3,
|
|
HEADER_HEIGHT+1,
|
|
FALSE,
|
|
FALSE,
|
|
DEFAULT_ATTRIBUTE,
|
|
BugCode,
|
|
Param1,
|
|
Param2,
|
|
Param3
|
|
);
|
|
|
|
if(KbdLayoutInitialized) {
|
|
SpContinueScreen(
|
|
SP_SCRN_F3_TO_REBOOT,
|
|
3,
|
|
1,
|
|
FALSE,
|
|
DEFAULT_ATTRIBUTE
|
|
);
|
|
SpDisplayStatusText(SP_STAT_F3_EQUALS_EXIT, DEFAULT_STATUS_ATTRIBUTE);
|
|
SpInputDrain();
|
|
while(SpInputGetKeypress() != KEY_F3);
|
|
SpDone(0,FALSE, TRUE);
|
|
|
|
} else {
|
|
//
|
|
// we haven't loaded the layout dll yet, so we can't prompt for a keypress to reboot
|
|
//
|
|
SpContinueScreen(
|
|
SP_SCRN_POWER_DOWN,
|
|
3,
|
|
1,
|
|
FALSE,
|
|
DEFAULT_ATTRIBUTE
|
|
);
|
|
|
|
SpDisplayStatusText(SP_STAT_KBD_HARD_REBOOT, DEFAULT_STATUS_ATTRIBUTE);
|
|
|
|
while(TRUE); // Loop forever
|
|
}
|
|
} else {
|
|
SpDisplayRawMessage(
|
|
SP_SCRN_FATAL_SETUP_ERROR,
|
|
2,
|
|
BugCode,
|
|
Param1,
|
|
Param2,
|
|
Param3
|
|
);
|
|
SpDisplayRawMessage(SP_SCRN_POWER_DOWN, 1);
|
|
|
|
while(TRUE); // loop forever
|
|
}
|
|
}
|
|
|
|
|
|
VOID
|
|
SpDrawFrame(
|
|
IN ULONG LeftX,
|
|
IN ULONG Width,
|
|
IN ULONG TopY,
|
|
IN ULONG Height,
|
|
IN UCHAR Attribute,
|
|
IN BOOLEAN DoubleLines
|
|
)
|
|
{
|
|
PWSTR Buffer;
|
|
ULONG u;
|
|
WCHAR w;
|
|
|
|
Buffer = SpMemAlloc((Width+1) * sizeof(WCHAR));
|
|
ASSERT(Buffer);
|
|
if(!Buffer) {
|
|
KdPrintEx((DPFLTR_SETUP_ID, DPFLTR_ERROR_LEVEL, "SETUP: unable to allocate memory for buffer to draw frame\n"));
|
|
return;
|
|
}
|
|
|
|
Buffer[Width] = 0;
|
|
|
|
//
|
|
// Top.
|
|
//
|
|
w = SplangGetLineDrawChar(DoubleLines ? LineCharDoubleHorizontal : LineCharSingleHorizontal);
|
|
for(u=1; u<Width-1; u++) {
|
|
Buffer[u] = w;
|
|
}
|
|
|
|
Buffer[0] = SplangGetLineDrawChar(DoubleLines ? LineCharDoubleUpperLeft : LineCharSingleUpperLeft);
|
|
Buffer[Width-1] = SplangGetLineDrawChar(DoubleLines ? LineCharDoubleUpperRight : LineCharSingleUpperRight);
|
|
|
|
SpvidDisplayString(Buffer,Attribute,LeftX,TopY);
|
|
|
|
//
|
|
// Bottom.
|
|
//
|
|
|
|
Buffer[0] = SplangGetLineDrawChar(DoubleLines ? LineCharDoubleLowerLeft : LineCharSingleLowerLeft);
|
|
Buffer[Width-1] = SplangGetLineDrawChar(DoubleLines ? LineCharDoubleLowerRight : LineCharSingleLowerRight);
|
|
|
|
SpvidDisplayString(Buffer,Attribute,LeftX,TopY+Height-1);
|
|
|
|
//
|
|
// Interior lines.
|
|
//
|
|
for(u=1; u<Width-1; u++) {
|
|
Buffer[u] = L' ';
|
|
}
|
|
|
|
Buffer[0] = SplangGetLineDrawChar(DoubleLines ? LineCharDoubleVertical : LineCharSingleVertical);
|
|
Buffer[Width-1] = SplangGetLineDrawChar(DoubleLines ? LineCharDoubleVertical : LineCharSingleVertical);
|
|
|
|
for(u=1; u<Height-1; u++) {
|
|
SpvidDisplayString(Buffer,Attribute,LeftX,TopY+u);
|
|
}
|
|
|
|
SpMemFree(Buffer);
|
|
}
|
|
|
|
|
|
|
|
ULONG
|
|
SpWaitValidKey(
|
|
IN PULONG ValidKeys1,
|
|
IN PULONG ValidKeys2, OPTIONAL
|
|
IN PULONG MnemonicKeys OPTIONAL
|
|
)
|
|
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Wait for a key to be pressed that appears in a list of valid keys.
|
|
|
|
Arguments:
|
|
|
|
ValidKeys1 - supplies list of valid keystrokes. The list must be
|
|
terminated with a 0 entry.
|
|
|
|
ValidKeys2 - if specified, supplies an additional list of valid keystrokes.
|
|
|
|
MnemonicKeys - if specified, specifies a list of indices into the
|
|
SP_MNEMONICS message string (see the MNEMONIC_KEYS enum).
|
|
If the user's keystroke is not listed in ValidKeys, it will be
|
|
uppercased and compared against each character indexed by a value
|
|
in MnemonicKeys. If a match is found, the returned value is the
|
|
index (ie,MNEMONIC_KEYS enum value), and the high bit will be set.
|
|
|
|
Return Value:
|
|
|
|
The key that was pressed (see above).
|
|
|
|
--*/
|
|
|
|
{
|
|
ULONG c;
|
|
ULONG i;
|
|
|
|
|
|
SpInputDrain();
|
|
|
|
while(1) {
|
|
|
|
c = SpInputGetKeypress();
|
|
|
|
//
|
|
// Check for normal key.
|
|
//
|
|
|
|
for(i=0; ValidKeys1[i]; i++) {
|
|
if(c == ValidKeys1[i]) {
|
|
return(c);
|
|
}
|
|
}
|
|
|
|
//
|
|
// Check secondary list.
|
|
//
|
|
if(ValidKeys2) {
|
|
for(i=0; ValidKeys2[i]; i++) {
|
|
if(c == ValidKeys2[i]) {
|
|
return(c);
|
|
}
|
|
}
|
|
}
|
|
|
|
//
|
|
// Check for mnemonic keys.
|
|
//
|
|
if(MnemonicKeys && !(c & KEY_NON_CHARACTER)) {
|
|
|
|
c = (ULONG)RtlUpcaseUnicodeChar((WCHAR)c);
|
|
|
|
for(i=0; MnemonicKeys[i]; i++) {
|
|
|
|
if((WCHAR)c == MnemonicValues[MnemonicKeys[i]]) {
|
|
|
|
return((ULONG)MnemonicKeys[i] | KEY_MNEMONIC);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//
|
|
// Attributes for text edit fields.
|
|
//
|
|
#define EDIT_FIELD_BACKGROUND ATT_WHITE
|
|
#define EDIT_FIELD_TEXT (ATT_FG_BLACK | ATT_BG_WHITE)
|
|
|
|
|
|
BOOLEAN
|
|
SpGetInput(
|
|
IN PKEYPRESS_CALLBACK ValidateKey,
|
|
IN ULONG X,
|
|
IN ULONG Y,
|
|
IN ULONG MaxLength,
|
|
IN OUT PWCHAR Buffer,
|
|
IN BOOLEAN ValidateEscape
|
|
)
|
|
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Allow the user to enter text in an edit field of a specified size.
|
|
|
|
Some special keys are interpreted and handled locally; others are passed
|
|
to a caller-supplied routine for validation.
|
|
|
|
Keys handled locally include ENTER, BACKSPACE, and ESCAPE (subject to ValidateEscape):
|
|
these keys will never be passed to the callback routine.
|
|
|
|
Other keys are passed to the callback function. This specifically includes
|
|
function keys, which may have special meaning to the caller, and upon which
|
|
the caller must act before returning. (IE, if the user presses F3, the caller
|
|
might put up an exit confirmation dialog.
|
|
|
|
Arguments:
|
|
|
|
ValidateKey - supplies address of a function to be called for each keypress.
|
|
The function takes the keypress as an argument, and returns one of the
|
|
following values:
|
|
|
|
ValidationAccept - acecpt the keystroke into the string being input.
|
|
If the keystroke is not a unicode character (ie, is a function key)
|
|
then this value must not be returned.
|
|
|
|
ValidationIgnore - do not accept the keystroke into the string.
|
|
|
|
ValidationReject - same as ValidationIgnore, except that there may be some
|
|
addition action, such as beeping the speaker.
|
|
|
|
ValidationTerminate - end input ad return from SpGetInput immediately
|
|
with a value of FALSE.
|
|
|
|
ValidationRepaint - same as ValidationIgnore, except that the input field is
|
|
repainted.
|
|
|
|
X,Y - specify the coordinate for the leftmost character in the edit field.
|
|
|
|
MaxLength - supplies the maximum number of characters in the edit field.
|
|
|
|
Buffer - On input supplies a default string for the edit field. On output,
|
|
receives the string entered by the user. This buffer should be large
|
|
enough to contain MaxLength +1 unicode characters (ie, should be able to
|
|
hold a nul-terminated string of length MaxLength).
|
|
|
|
ValidateEscape - if TRUE, treat escape like a normal character, passing it to
|
|
the validation routine. If FALSE, escape clears the input field.
|
|
|
|
Return Value:
|
|
|
|
TRUE if the user's input was terminated normally (ie, by he user pressed ENTER).
|
|
FALSE if terminated by ValidateKey returning ValidationTerminate.
|
|
|
|
--*/
|
|
|
|
{
|
|
ULONG c;
|
|
ValidationValue vval;
|
|
ULONG CurrentCharCount;
|
|
WCHAR str[3];
|
|
WCHAR CURSOR = SplangGetCursorChar();
|
|
|
|
//
|
|
// Make sure edit field is in a reasonable place on the screen.
|
|
//
|
|
ASSERT(X + MaxLength + 1 < VideoVars.ScreenWidth);
|
|
ASSERT(Y < VideoVars.ScreenHeight - STATUS_HEIGHT);
|
|
|
|
//
|
|
// Prime the pump.
|
|
//
|
|
vval = ValidateRepaint;
|
|
CurrentCharCount = wcslen(Buffer);
|
|
str[1] = 0;
|
|
str[2] = 0;
|
|
|
|
ASSERT(CurrentCharCount <= MaxLength);
|
|
|
|
while(1) {
|
|
|
|
//
|
|
// Perform action based on previous state.
|
|
//
|
|
switch(vval) {
|
|
|
|
case ValidateAccept:
|
|
|
|
//
|
|
// Insert the previous key into the input.
|
|
//
|
|
ASSERT(Buffer[CurrentCharCount] == 0);
|
|
ASSERT(CurrentCharCount < MaxLength);
|
|
ASSERT(!(c & KEY_NON_CHARACTER));
|
|
|
|
Buffer[CurrentCharCount++] = (USHORT)c;
|
|
Buffer[CurrentCharCount ] = 0;
|
|
break;
|
|
|
|
case ValidateRepaint:
|
|
|
|
//
|
|
// Repaint the edit field in its current state.
|
|
// The edit field is one character too large, to accomodate
|
|
// the cursor after the last legal character in the edit field.
|
|
//
|
|
SpvidClearScreenRegion(X,Y,MaxLength+1,1,EDIT_FIELD_BACKGROUND);
|
|
SpvidDisplayString(Buffer,EDIT_FIELD_TEXT,X,Y);
|
|
|
|
//
|
|
// Draw the cursor.
|
|
//
|
|
str[0] = CURSOR;
|
|
SpvidDisplayString(str,EDIT_FIELD_TEXT,X+CurrentCharCount,Y);
|
|
break;
|
|
|
|
case ValidateIgnore:
|
|
case ValidateReject:
|
|
|
|
//
|
|
// Ignore the previous keystroke.
|
|
//
|
|
break;
|
|
|
|
|
|
case ValidateTerminate:
|
|
|
|
//
|
|
// Callback wants us to terminate.
|
|
//
|
|
return(FALSE);
|
|
}
|
|
|
|
//
|
|
// Get a keystroke.
|
|
//
|
|
c = SpInputGetKeypress();
|
|
|
|
//
|
|
// Do something with the key.
|
|
//
|
|
switch(c) {
|
|
|
|
case ASCI_CR:
|
|
|
|
//
|
|
// Input is terminated. We're done.
|
|
//
|
|
return(TRUE);
|
|
|
|
case ASCI_BS:
|
|
|
|
//
|
|
// Backspace character. If we're not at the beginning
|
|
// of the edit field, erase the previous character, replacing it
|
|
// with the cursor character.
|
|
//
|
|
if(CurrentCharCount) {
|
|
|
|
Buffer[--CurrentCharCount] = 0;
|
|
str[0] = CURSOR;
|
|
str[1] = L' ';
|
|
SpvidDisplayString(str,EDIT_FIELD_TEXT,X+CurrentCharCount,Y);
|
|
str[1] = 0;
|
|
}
|
|
|
|
vval = ValidateIgnore;
|
|
break;
|
|
|
|
case ASCI_ESC:
|
|
|
|
//
|
|
// Escape character. Clear the edit field.
|
|
//
|
|
if(!ValidateEscape) {
|
|
RtlZeroMemory(Buffer,(MaxLength+1) * sizeof(WCHAR));
|
|
CurrentCharCount = 0;
|
|
vval = ValidateRepaint;
|
|
break;
|
|
}
|
|
|
|
//
|
|
// Otherwise, we want to validate escape like a normal character.
|
|
// So just fall through.
|
|
//
|
|
|
|
default:
|
|
|
|
//
|
|
// Some other character. Pass it to the callback function
|
|
// for validation.
|
|
//
|
|
vval = ValidateKey(c);
|
|
|
|
if(vval == ValidateAccept) {
|
|
|
|
//
|
|
// We want to accept the keystroke. If there is not enough
|
|
// room in the buffer, convert acceptance to ignore.
|
|
// Otherwise (ie, there is enough room), put the character
|
|
// up on the screen and advance the cursor.
|
|
//
|
|
if(CurrentCharCount < MaxLength) {
|
|
|
|
ASSERT(!(c & KEY_NON_CHARACTER));
|
|
|
|
str[0] = (WCHAR)c;
|
|
SpvidDisplayString(str,EDIT_FIELD_TEXT,X+CurrentCharCount,Y);
|
|
|
|
str[0] = CURSOR;
|
|
SpvidDisplayString(str,EDIT_FIELD_TEXT,X+CurrentCharCount+1,Y);
|
|
|
|
} else {
|
|
|
|
vval = ValidateIgnore;
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|