148 lines
6.2 KiB
C
148 lines
6.2 KiB
C
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/*
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* Copyright (c) Microsoft Corporation
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*
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* Module Name :
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* console.c
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*
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* Hacks to read characters from the NT console
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* Taken from nt\sdktools\vi\nt.c
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*
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*
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* Sadagopan Rajaram -- Nov 5, 1999
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*
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*/
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#include "tcclnt.h"
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#include "keymap.h"
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#define MAX_VK 0x7f
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TCHAR RegularTable[] = {ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO,
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/* 08 */ ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO,
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/* 10 */ ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO,
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/* 18 */ ZERO, ZERO, ZERO, ESCP, ZERO, ZERO, ZERO, ZERO,
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/* 20 */ ZERO, K_PU, K_PD, K_EN, K_HO, K_LE, K_UP, K_RI,
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/* 28 */ K_DO, ZERO, ZERO, ZERO, ZERO, K_IN, K_DE, ZERO,
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/* 30 */ ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO,
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/* 38 */ ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO,
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/* 40 */ ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO,
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/* 48 */ ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO,
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/* 50 */ ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO,
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/* 58 */ ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO,
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/* 60 */ ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO,
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/* 68 */ ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO,
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/* 70 */ K_F1, K_F2, K_F3, K_F4, K_F5, K_F6, K_F7, K_F8,
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/* 78 */ K_F9, K_FA, K_FB, K_FC, ZERO, ZERO, ZERO, ZERO};
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TCHAR ShiftedTable[] = { ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO,
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/* 08 */ ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO,
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/* 10 */ ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO,
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/* 18 */ ZERO, ZERO, ZERO, ESCP, ZERO, ZERO, ZERO, ZERO,
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/* 20 */ ZERO, K_PU, K_PD, K_EN, K_HO, K_LE, K_UP, K_RI,
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/* 28 */ K_DO, ZERO, ZERO, ZERO, ZERO, K_IN, K_DE, ZERO,
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/* 30 */ ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO,
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/* 38 */ ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO,
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/* 40 */ ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO,
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/* 48 */ ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO,
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/* 50 */ ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO,
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/* 58 */ ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO,
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/* 60 */ ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO,
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/* 68 */ ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO,
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/* 70 */ K_S1, K_S2, K_S3, K_S4, K_S5, K_S6, K_S7, K_S8,
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/* 78 */ K_S9, K_SA, K_SB, K_SC, ZERO, ZERO, ZERO, ZERO};
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TCHAR ControlTable[] = { ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO,
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/* 08 */ ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO,
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/* 10 */ ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO,
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/* 18 */ ZERO, ZERO, ZERO, ESCP, ZERO, ZERO, K_CG, ZERO,
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/* 20 */ ZERO, K_PU, K_PD, K_EN, K_HO, K_LE, K_UP, K_RI,
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/* 28 */ K_DO, ZERO, ZERO, ZERO, ZERO, K_IN, K_DE, ZERO,
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/* 30 */ ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO,
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/* 38 */ ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO,
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/* 40 */ ZERO, CTLA, CTLB, CTLC, CTLD, CTLE, CTLF, CTLG,
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/* 48 */ CTLH, CTLI, CTLJ, CTLK, CTLL, CTLM, CTLN, CTLO,
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/* 50 */ CTLP, CTLQ, CTLR, CTLS, CTLT, CTLU, CTLV, CTLW,
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/* 58 */ CTLX, CTLY, CTLZ, CTL1, CTL2, CTL3, CTL4, CTL5,
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/* 60 */ ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO,
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/* 68 */ ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO,
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/* 70 */ ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO,
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/* 78 */ ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO, ZERO};
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#define ALT_PRESSED (RIGHT_ALT_PRESSED | LEFT_ALT_PRESSED)
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#define CTL_PRESSED (RIGHT_CTRL_PRESSED | LEFT_CTRL_PRESSED)
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#define CONTROL_ALT (ALT_PRESSED | CTL_PRESSED)
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/*
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* inTCHAR() - get a TCHARacter from the keyboard
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* Reads only ascii TCHARacters from the keyboard.
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*/
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void
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inchar(CHAR *buff)
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{
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INPUT_RECORD InputRec;
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DWORD NumRead;
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int len;
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while(1) { /* loop until we get a valid console event */
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ReadConsoleInput(InputHandle,&InputRec,1,&NumRead);
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if((InputRec.EventType == KEY_EVENT)
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&& (InputRec.Event.KeyEvent.bKeyDown)){
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KEY_EVENT_RECORD *KE = &InputRec.Event.KeyEvent;
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TCHAR *Table;
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if(KE->dwControlKeyState & ALT_PRESSED) {
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if ((KE->uChar.AsciiChar == 'x')||(KE->uChar.AsciiChar == 'X')) {
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exit(0);
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}
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continue; // no ALT keys allowed.
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} else{
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if(KE->dwControlKeyState & CTL_PRESSED) {
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Table = ControlTable;
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} else {
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// We might have a character in Unicode
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#ifdef UNICODE
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if(KE->uChar.UnicodeChar) { // no control, no alt
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// convert to dbcs character and return
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len= wctomb(buff,KE->uChar.UnicodeChar);
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if(len == -1){
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continue;
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}
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buff[len] = (CHAR) 0;
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return;
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#else
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if(KE->uChar.AsciiChar){
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buff[0] = KE->uChar.AsciiChar;
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buff[1] = (CHAR) 0;
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return;
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#endif
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} else {
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if(KE->dwControlKeyState & SHIFT_PRESSED) {
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Table = ShiftedTable;
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} else {
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Table = RegularTable;
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}
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}
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}
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}
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if((KE->wVirtualKeyCode > MAX_VK) || !Table[KE->wVirtualKeyCode]) {
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continue;
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}
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#ifdef UNICODE
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// convert to dbcs character and return
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len= wctomb(buff,Table[KE->wVirtualKeyCode]);
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if(len == -1){
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continue;
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}
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buff[len] = (CHAR) 0;
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#else
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buff[0] = Table[KE->wVirtualKeyCode];
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buff[1] = (CHAR) 0;
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#endif
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return;
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}
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}
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}
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