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deb-goldedplus/goldlib/gall/gkbdbase.cpp

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// This may look like C code, but it is really -*- C++ -*-
// ------------------------------------------------------------------
// The Goldware Library
// Copyright (C) 1990-1999 Odinn Sorensen
// Copyright (C) 1999-2000 Alexander S. Aganichev
// Copyright (C) 2000 Jacobo Tarrio
// ------------------------------------------------------------------
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this program; if not, write to the Free
// Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
// MA 02111-1307, USA
// ------------------------------------------------------------------
// $Id$
// ------------------------------------------------------------------
// Keyboard functions.
// ------------------------------------------------------------------
#include <gctype.h>
#include <gmemdbg.h>
#include <gkbdcode.h>
#include <gkbdbase.h>
#include <gmemall.h>
#include <stdlib.h>
#if defined(__OS2__)
#define INCL_BASE
#include <os2.h>
#endif
#ifdef __WIN32__
#include <windows.h>
#endif
#if defined(__UNIX__) && !defined(__USE_NCURSES__)
#include <gkbdunix.h>
#endif
#if defined(__DJGPP__)
#include <sys/farptr.h>
#endif
#if defined(__USE_NCURSES__)
#include <gcurses.h>
#endif
#if defined(__linux__)
#include <sys/ioctl.h>
#include <stdio.h>
#endif
// ------------------------------------------------------------------
#if defined(__USE_NCURSES__)
int curses_initialized = 0;
#endif
// ------------------------------------------------------------------
#if defined(__WIN32__)
#define KBD_TEXTMODE (ENABLE_LINE_INPUT | ENABLE_ECHO_INPUT | ENABLE_PROCESSED_INPUT | ENABLE_WINDOW_INPUT | ENABLE_MOUSE_INPUT)
#endif
// ------------------------------------------------------------------
// Global keyboard data
#if defined(__WIN32__) && !defined(__USE_NCURSES__)
HANDLE gkbd_hin;
DWORD gkbd_kbdmode;
int gkbd_nt;
#endif
GKbd gkbd;
int blanked = false;
bool right_alt_same_as_left = false;
// ------------------------------------------------------------------
// Keyboard Class Initializer
void GKbd::Init() {
#if defined(__USE_NCURSES__)
// Both screen and keyboard must be initialized at once
if(0 == (curses_initialized++)) {
initscr();
raw();
noecho();
nonl();
intrflush(stdscr, FALSE);
keypad(stdscr, TRUE);
}
// WARNING: this might break with an old version of ncurses, or
// with another implementation of curses. I'm putting it here because
// it is quote useful most of the time :-) For other implementations of
// curses, you might have to compile curses yourself to achieve this. -jt
#if defined(NCURSES_VERSION)
if(not getenv("ESCDELAY")) // If not specified by user via environment, set
ESCDELAY = 50; // ms, slow for a 300bps terminal, fast for humans :-)
#endif
// For more ncurses-dependent code, look at the gkbd_curstable array
// and at the kbxget_raw() function -jt
#elif defined(__OS2__)
KBDINFO kbstInfo;
kbstInfo.cb = sizeof(kbstInfo);
KbdGetStatus(&kbstInfo, 0);
kbstInfo.fsMask = (USHORT)((kbstInfo.fsMask & 0xFFF7) | 0x0004);
KbdSetStatus(&kbstInfo, 0);
#elif defined(__WIN32__)
OSVERSIONINFO osversion;
osversion.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
GetVersionEx(&osversion);
gkbd_nt = (osversion.dwPlatformId & VER_PLATFORM_WIN32_NT) ? true : false;
gkbd_hin = CreateFile("CONIN$", GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
OPEN_EXISTING, 0, NULL);
GetConsoleMode(gkbd_hin, &gkbd_kbdmode);
if(gkbd_kbdmode & KBD_TEXTMODE)
SetConsoleMode(gkbd_hin, gkbd_kbdmode & ~KBD_TEXTMODE);
#elif defined(__UNIX__)
gkbd_tty_init();
#endif
}
// ------------------------------------------------------------------
// Keyboard Class constructor
GKbd::GKbd() {
kbuf = NULL;
onkey = NULL;
curronkey = NULL;
inmenu = 0;
source = 0;
polling = 0;
tickinterval = 0;
tickpress = tickvalue = gclock();
tickfunc = NULL;
inidle = 0;
quitall = NO;
// Detect enhanced keyboard by checking bit 4 at 0x00000496
#if defined(__USE_NCURSES__)
extkbd = true;
#elif defined(__DJGPP__)
extkbd = _farpeekb (_dos_ds, 0x0496) & (1 << 4);
#elif defined(__MSDOS__)
extkbd = *((byte*)0x0496) & (1 << 4);
#elif defined(__OS2__) || defined(__WIN32__)
extkbd = true;
#endif
Init();
#if defined(__UNIX__) && !defined(__USE_NCURSES__)
gkbd_keymap_init();
char escseq[2];
escseq[1] = NUL;
for(int n=0; n<256; n++) {
escseq[0] = (char)n;
if(n == 0x7F or n == 0x08)
gkbd_define_keysym(escseq, Key_BS);
else if(n == 0x09)
gkbd_define_keysym(escseq, Key_Tab);
else if(n == 0x0D)
gkbd_define_keysym(escseq, Key_Ent);
else
gkbd_define_keysym(escseq, (n < 128) ? (scancode_table[n]|n) : n);
}
gkbd_define_keysym("^@", 0);
gkbd_define_keysym("\033[A", Key_Up);
gkbd_define_keysym("\033[B", Key_Dwn);
gkbd_define_keysym("\033[C", Key_Rgt);
gkbd_define_keysym("\033[D", Key_Lft);
gkbd_define_keysym("\033[[W", Key_C_Up);
gkbd_define_keysym("\033[[Z", Key_C_Dwn);
gkbd_define_keysym("\033[[Y", Key_C_Rgt);
gkbd_define_keysym("\033[[X", Key_C_Lft);
gkbd_define_keysym("\033[1~", Key_Home);
gkbd_define_keysym("\033[7~", Key_Home);
gkbd_define_keysym("\033[H", Key_Home);
gkbd_define_keysym("\033[2~", Key_Ins);
gkbd_define_keysym("\033[3~", Key_Del);
gkbd_define_keysym("\033[4~", Key_End);
gkbd_define_keysym("\033[8~", Key_End);
gkbd_define_keysym("\033[F", Key_End);
gkbd_define_keysym("\033[5~", Key_PgUp);
gkbd_define_keysym("\033[6~", Key_PgDn);
gkbd_define_keysym("\033[[A", Key_F1);
gkbd_define_keysym("\033[[B", Key_F2);
gkbd_define_keysym("\033[[C", Key_F3);
gkbd_define_keysym("\033[[D", Key_F4);
gkbd_define_keysym("\033[[E", Key_F5);
gkbd_define_keysym("\033[17~", Key_F6);
gkbd_define_keysym("\033[18~", Key_F7);
gkbd_define_keysym("\033[19~", Key_F8);
gkbd_define_keysym("\033[20~", Key_F9);
gkbd_define_keysym("\033[21~", Key_F10);
gkbd_define_keysym("\033[23~", Key_S_F1);
gkbd_define_keysym("\033[24~", Key_S_F2);
gkbd_define_keysym("\033[25~", Key_S_F3);
gkbd_define_keysym("\033[26~", Key_S_F4);
gkbd_define_keysym("\033[28~", Key_S_F5);
gkbd_define_keysym("\033[29~", Key_S_F6);
gkbd_define_keysym("\033[31~", Key_S_F7);
gkbd_define_keysym("\033[32~", Key_S_F8);
gkbd_define_keysym("\033[33~", Key_S_F9);
gkbd_define_keysym("\033[34~", Key_S_F10);
gkbd_define_keysym("\033""0", Key_A_0);
gkbd_define_keysym("\033""1", Key_A_1);
gkbd_define_keysym("\033""2", Key_A_2);
gkbd_define_keysym("\033""3", Key_A_3);
gkbd_define_keysym("\033""4", Key_A_4);
gkbd_define_keysym("\033""5", Key_A_5);
gkbd_define_keysym("\033""6", Key_A_6);
gkbd_define_keysym("\033""7", Key_A_7);
gkbd_define_keysym("\033""8", Key_A_8);
gkbd_define_keysym("\033""9", Key_A_9);
gkbd_define_keysym("\033a", Key_A_A);
gkbd_define_keysym("\033b", Key_A_B);
gkbd_define_keysym("\033c", Key_A_C);
gkbd_define_keysym("\033d", Key_A_D);
gkbd_define_keysym("\033e", Key_A_E);
gkbd_define_keysym("\033f", Key_A_F);
gkbd_define_keysym("\033g", Key_A_G);
gkbd_define_keysym("\033h", Key_A_H);
gkbd_define_keysym("\033i", Key_A_I);
gkbd_define_keysym("\033j", Key_A_J);
gkbd_define_keysym("\033k", Key_A_K);
gkbd_define_keysym("\033l", Key_A_L);
gkbd_define_keysym("\033m", Key_A_M);
gkbd_define_keysym("\033n", Key_A_N);
gkbd_define_keysym("\033o", Key_A_O);
gkbd_define_keysym("\033p", Key_A_P);
gkbd_define_keysym("\033q", Key_A_Q);
gkbd_define_keysym("\033r", Key_A_R);
gkbd_define_keysym("\033s", Key_A_S);
gkbd_define_keysym("\033t", Key_A_T);
gkbd_define_keysym("\033u", Key_A_U);
gkbd_define_keysym("\033v", Key_A_V);
gkbd_define_keysym("\033w", Key_A_W);
gkbd_define_keysym("\033x", Key_A_X);
gkbd_define_keysym("\033y", Key_A_Y);
gkbd_define_keysym("\033z", Key_A_Z);
gkbd_define_keysym("^?", Key_BS);
gkbd_define_keysym("\033\x7F", Key_A_BS);
gkbd_define_keysym("\033\x0D", Key_A_Ent);
gkbd_define_keysym("\033\x09", Key_A_Tab);
#endif
}
// ------------------------------------------------------------------
// Keyboard Class destructor
GKbd::~GKbd() {
#if defined(__USE_NCURSES__)
if(0 == (--curses_initialized))
endwin();
#elif defined(__WIN32__)
if(gkbd_kbdmode & KBD_TEXTMODE)
SetConsoleMode(gkbd_hin, gkbd_kbdmode);
#elif defined(__UNIX__)
gkbd_keymap_reset();
gkbd_tty_reset();
#endif
}
// ------------------------------------------------------------------
// Local table for scancode()
gkey scancode_table[] = {
Key_C_2 & 0xFF00u, // 0x0300 C <2 @> [NUL]
Key_C_A & 0xFF00u, // 0x1E01 C <A> [SOH]
Key_C_B & 0xFF00u, // 0x3002 C <B> [STX]
Key_C_C & 0xFF00u, // 0x2E03 C <C> [ETX]
Key_C_D & 0xFF00u, // 0x2004 C <D> [EOT]
Key_C_E & 0xFF00u, // 0x1205 C <E> [ENQ]
Key_C_F & 0xFF00u, // 0x2106 C <F> [ACK]
Key_C_G & 0xFF00u, // 0x2207 C <G> [BEL]
Key_C_H & 0xFF00u, // 0x2308 C <H> [BS]
Key_C_I & 0xFF00u, // 0x1709 C <I> [HT]
Key_C_J & 0xFF00u, // 0x240A C <J> [LF]
Key_C_K & 0xFF00u, // 0x250B C <K> [VT]
Key_C_L & 0xFF00u, // 0x260C C <L> [FF]
Key_C_M & 0xFF00u, // 0x320D C <M> [CR]
Key_C_N & 0xFF00u, // 0x310E C <N> [SO]
Key_C_O & 0xFF00u, // 0x180F C <O> [SI]
Key_C_P & 0xFF00u, // 0x1910 C <P> [DLE]
Key_C_Q & 0xFF00u, // 0x1011 C <Q> [DC1]
Key_C_R & 0xFF00u, // 0x1312 C <R> [DC2]
Key_C_S & 0xFF00u, // 0x1F13 C <S> [DC3]
Key_C_T & 0xFF00u, // 0x1414 C <T> [DC4]
Key_C_U & 0xFF00u, // 0x1615 C <U> [NAK]
Key_C_V & 0xFF00u, // 0x2F16 C <V> [SYN]
Key_C_W & 0xFF00u, // 0x1117 C <W> [ETB]
Key_C_X & 0xFF00u, // 0x2D18 C <X> [CAN]
Key_C_Y & 0xFF00u, // 0x1519 C <Y> [EM]
Key_C_Z & 0xFF00u, // 0x2C1A C <Z> [SUB]
Key_Esc & 0xFF00u, // 0x011B C <[ {> [ESC] (was: 0x1A1B)
Key_C_Bsl & 0xFF00u, // 0x2B1C C <\ |> [FS]
Key_C_Rbr & 0xFF00u, // 0x1B1D C <] }> [GS]
Key_C_6 & 0xFF00u, // 0x071E C <7 &> [RS]
Key_C_Min & 0xFF00u, // 0x0C1F C <- _>
Key_Space & 0xFF00u, // 0x3920 <Space>
Key_S_1 & 0xFF00u, // 0x0221 <1 !>
Key_S_Quo & 0xFF00u, // 0x2822 <' ">
Key_S_3 & 0xFF00u, // 0x0423 <3 #>
Key_S_4 & 0xFF00u, // 0x0524 <4 $>
Key_S_5 & 0xFF00u, // 0x0625 <5 %>
Key_S_7 & 0xFF00u, // 0x0826 <7 &>
Key_Quo & 0xFF00u, // 0x2827 <'>
Key_S_9 & 0xFF00u, // 0x0A28 <9 (>
Key_S_0 & 0xFF00u, // 0x0B29 <0 )>
Key_S_8 & 0xFF00u, // 0x092A <8 *>
Key_S_Equ & 0xFF00u, // 0x0D2B <= +>
Key_Com & 0xFF00u, // 0x332C <,>
Key_Min & 0xFF00u, // 0x0C2D <->
Key_Dot & 0xFF00u, // 0x342E <.>
Key_Sls & 0xFF00u, // 0x352F </>
Key_0 & 0xFF00u, // 0x0B30 <0>
Key_1 & 0xFF00u, // 0x0231 <1>
Key_2 & 0xFF00u, // 0x0332 <2>
Key_3 & 0xFF00u, // 0x0433 <3>
Key_4 & 0xFF00u, // 0x0534 <4>
Key_5 & 0xFF00u, // 0x0635 <5>
Key_6 & 0xFF00u, // 0x0736 <6>
Key_7 & 0xFF00u, // 0x0837 <7>
Key_8 & 0xFF00u, // 0x0938 <8>
Key_9 & 0xFF00u, // 0x0A39 <9>
Key_S_Smi & 0xFF00u, // 0x273A <; :>
Key_Smi & 0xFF00u, // 0x273B <;>
Key_S_Com & 0xFF00u, // 0x333C <, >>
Key_Equ & 0xFF00u, // 0x0D3D <=>
Key_S_Dot & 0xFF00u, // 0x343E <. <>
Key_S_Sls & 0xFF00u, // 0x353F </ ?>
Key_S_2 & 0xFF00u, // 0x0340 <2 @>
Key_S_A & 0xFF00u, // 0x1E41 <A>
Key_S_B & 0xFF00u, // 0x3042 <B>
Key_S_C & 0xFF00u, // 0x2E43 <C>
Key_S_D & 0xFF00u, // 0x2044 <D>
Key_S_E & 0xFF00u, // 0x1245 <E>
Key_S_F & 0xFF00u, // 0x2146 <F>
Key_S_G & 0xFF00u, // 0x2247 <G>
Key_S_H & 0xFF00u, // 0x2348 <H>
Key_S_I & 0xFF00u, // 0x1749 <I>
Key_S_J & 0xFF00u, // 0x244A <J>
Key_S_K & 0xFF00u, // 0x254B <K>
Key_S_L & 0xFF00u, // 0x264C <L>
Key_S_M & 0xFF00u, // 0x324D <M>
Key_S_N & 0xFF00u, // 0x314E <N>
Key_S_O & 0xFF00u, // 0x184F <O>
Key_S_P & 0xFF00u, // 0x1950 <P>
Key_S_Q & 0xFF00u, // 0x1051 <Q>
Key_S_R & 0xFF00u, // 0x1352 <R>
Key_S_S & 0xFF00u, // 0x1F53 <S>
Key_S_T & 0xFF00u, // 0x1454 <T>
Key_S_U & 0xFF00u, // 0x1655 <U>
Key_S_V & 0xFF00u, // 0x2F56 <V>
Key_S_W & 0xFF00u, // 0x1157 <W>
Key_S_X & 0xFF00u, // 0x2D58 <X>
Key_S_Y & 0xFF00u, // 0x1559 <Y>
Key_S_Z & 0xFF00u, // 0x2C5A <Z>
Key_Lbr & 0xFF00u, // 0x1A5B <[>
Key_Bsl & 0xFF00u, // 0x2B5C <\>
Key_Rbr & 0xFF00u, // 0x1B5D <]>
Key_S_6 & 0xFF00u, // 0x075E <6 ^>
Key_S_Min & 0xFF00u, // 0x0C5F <- _>
Key_Grv & 0xFF00u, // 0x2960 <`>
Key_A & 0xFF00u, // 0x1E61 <a>
Key_B & 0xFF00u, // 0x3062 <b>
Key_C & 0xFF00u, // 0x2E63 <c>
Key_D & 0xFF00u, // 0x2064 <d>
Key_E & 0xFF00u, // 0x1265 <e>
Key_F & 0xFF00u, // 0x2166 <f>
Key_G & 0xFF00u, // 0x2267 <g>
Key_H & 0xFF00u, // 0x2368 <h>
Key_I & 0xFF00u, // 0x1769 <i>
Key_J & 0xFF00u, // 0x246A <j>
Key_K & 0xFF00u, // 0x256B <k>
Key_L & 0xFF00u, // 0x266C <l>
Key_M & 0xFF00u, // 0x326D <m>
Key_N & 0xFF00u, // 0x316E <n>
Key_O & 0xFF00u, // 0x186F <o>
Key_P & 0xFF00u, // 0x1970 <p>
Key_Q & 0xFF00u, // 0x1071 <q>
Key_R & 0xFF00u, // 0x1372 <r>
Key_S & 0xFF00u, // 0x1F73 <s>
Key_T & 0xFF00u, // 0x1474 <t>
Key_U & 0xFF00u, // 0x1675 <u>
Key_V & 0xFF00u, // 0x2F76 <v>
Key_W & 0xFF00u, // 0x1177 <w>
Key_X & 0xFF00u, // 0x2D78 <x>
Key_Y & 0xFF00u, // 0x1579 <y>
Key_Z & 0xFF00u, // 0x2C7A <z>
Key_S_Lbr & 0xFF00u, // 0x1A7B <[ {>
Key_S_Bsl & 0xFF00u, // 0x2B7C <\ |>
Key_S_Rbr & 0xFF00u, // 0x1B7D <] }>
Key_S_Grv & 0xFF00u, // 0x297E <` ~>
Key_C_BS & 0xFF00u // 0x0E7F C <BS> [RUB]
};
// ------------------------------------------------------------------
// Returns the scan code of an ASCII character
byte scancode(gkey ch) {
if(KCodAsc(ch) <= 127)
return (byte)(scancode_table[KCodAsc(ch)] >> 8);
return 0;
}
// ------------------------------------------------------------------
// Translate scancode for ASCII keys
gkey keyscanxlat(gkey k) {
// Only translate ASCII keys
if(KCodAsc(k)) {
// Check for certain ctrl-keys
switch(KCodAsc(k)) {
case 0x08: // CtrlH or BackSpace 23/0E
if(k == Key_BS)
return k;
else
break;
case 0x09: // CtrlI or Tab 17/0F
if(k == Key_Tab)
return k;
else
break;
case 0x0A: // CtrlJ or CtrlEnter or GreyCtrlEnter 24/1C/E0
case 0x0D: // CtrlM or Enter or GreyEnter 32/1C/E0
// First, translate Numpad-Enter to main Enter...
if(k == Key_EntG)
k = Key_Ent;
else if(k == Key_C_EntG)
k = Key_C_Ent;
else if(k == Key_A_EntG)
k = Key_A_Ent;
// ...and now return if main Enter
if((k == Key_Ent) or (k == Key_C_Ent) or (k == Key_A_Ent))
return k;
else
break;
case 0x1B: // Ctrl[ or Esc 1A/01
if(k == Key_Esc)
return k;
else
break;
// asa: Not sure that the following case is required:
// Key_S_3 == 0x0423, Key_C_U == 0x1615
case 0x15: // CtrlU or Shift3 (on german keyboards) 16/04
if(KCodScn(k) == 0x04)
return k;
break;
case 0xE0: // Check for extended key and fix it if necessary
if(KCodScn(k)) {
KCodAsc(k) = 0x00;
return k;
}
break;
}
// Translate scancode of ASCII key to a known value
if (KCodAsc(k) <= 127)
return (gkey)(scancode_table[KCodAsc(k)] | KCodAsc(k));
else
return (gkey)(KCodAsc(k));
}
return k;
}
// ------------------------------------------------------------------
// The following tables map curses keyboard codes to BIOS keyboard
// values.
#if defined(__USE_NCURSES__)
// This might not work with something other than ncurses... :-(
// If you ever port it to other curses implementation, remember
// that it might have to be changed to another data structure, or
// the array might have to be filled in another manner...
int gkbd_curstable[] = {
Key_C_Brk, // KEY_BREAK
Key_Dwn, // KEY_DOWN
Key_Up, // KEY_UP
Key_Lft, // KEY_LEFT
Key_Rgt, // KEY_RIGHT
Key_Home, // KEY_HOME
Key_BS, // KEY_BACKSPACE
-1, // KEY_F0
Key_F1, // KEY_F(1)
Key_F2, // KEY_F(2)
Key_F3, // KEY_F(3)
Key_F4, // KEY_F(4)
Key_F5, // KEY_F(5)
Key_F6, // KEY_F(6)
Key_F7, // KEY_F(7)
Key_F8, // KEY_F(8)
Key_F9, // KEY_F(9)
Key_F10, // KEY_F(10)
Key_F11, // KEY_F(11)
Key_F12, // KEY_F(12)
Key_S_F3, // KEY_F(13)
Key_S_F4, // KEY_F(14)
Key_S_F5, // KEY_F(15)
Key_S_F6, // KEY_F(16)
Key_S_F7, // KEY_F(17)
Key_S_F8, // KEY_F(18)
Key_S_F9, // KEY_F(19)
Key_S_F10, // KEY_F(20)
Key_S_F11, // KEY_F(21)
Key_S_F12, // KEY_F(22)
-1, // KEY_F(23)
-1, // KEY_F(24)
-1, // KEY_F(25)
-1, // KEY_F(26)
-1, // KEY_F(27)
-1, // KEY_F(28)
-1, // KEY_F(29)
-1, // KEY_F(30)
-1, // KEY_F(31)
-1, // KEY_F(32)
-1, // KEY_F(33)
-1, // KEY_F(34)
-1, // KEY_F(35)
-1, // KEY_F(36)
-1, // KEY_F(37)
-1, // KEY_F(38)
-1, // KEY_F(39)
-1, // KEY_F(40)
-1, // KEY_F(41)
-1, // KEY_F(42)
-1, // KEY_F(43)
-1, // KEY_F(44)
-1, // KEY_F(45)
-1, // KEY_F(46)
-1, // KEY_F(47)
-1, // KEY_F(48)
-1, // KEY_F(49)
-1, // KEY_F(50)
-1, // KEY_F(51)
-1, // KEY_F(52)
-1, // KEY_F(53)
-1, // KEY_F(54)
-1, // KEY_F(55)
-1, // KEY_F(56)
-1, // KEY_F(57)
-1, // KEY_F(58)
-1, // KEY_F(59)
-1, // KEY_F(60)
-1, // KEY_F(61)
-1, // KEY_F(62)
-1, // KEY_F(63)
-1, // KEY_DL
-1, // KEY_IL
Key_Del, // KEY_DC
Key_Ins, // KEY_IC
Key_Ins, // KEY_EIC
-1, // KEY_CLEAR
-1, // KEY_EOS
-1, // KEY_EOL
-1, // KEY_SF
-1, // KEY_SR
Key_PgDn, // KEY_NPAGE
Key_PgUp, // KEY_PPAGE
Key_Tab, // KEY_STAB
-1, // KEY_CTAB
-1, // KEY_CATAB
Key_Ent, // KEY_ENTER
-1, // KEY_SRESET
-1, // KEY_RESET
-1, // KEY_PRINT
Key_End, // KEY_LL (hmm... this should be lower left)
Key_Home, // KEY_A1
Key_PgUp, // KEY_A3
Key_5Num, // KEY_B2
Key_End, // KEY_C1
Key_PgDn, // KEY_C3
Key_S_Tab, // KEY_BTAB
Key_Home, // KEY_BEG
-1, // KEY_CANCEL
-1, // KEY_CLOSE
-1, // KEY_COMMAND
-1, // KEY_COPY
-1, // KEY_CREATE
Key_End, // KEY_END
-1, // KEY_EXIT
-1, // KEY_FIND
-1, // KEY_HELP
-1, // KEY_MARK
-1, // KEY_MESSAGE
-1, // KEY_MOVE
-1, // KEY_NEXT
-1, // KEY_OPEN
-1, // KEY_OPTIONS
-1, // KEY_PREVIOUS
-1, // KEY_REDO
-1, // KEY_REFERENCE
-1, // KEY_REFRESH
-1, // KEY_REPLACE
-1, // KEY_RESTART
-1, // KEY_RESUME
-1, // KEY_SAVE
Key_S_Home,// KEY_SBEG
-1, // KEY_SCANCEL
-1, // KEY_SCOMMAND
-1, // KEY_SCOPY
-1, // KEY_SCREATE
Key_S_Del, // KEY_SDC
-1, // KEY_SDL
-1, // KEY_SELECT
Key_S_End, // KEY_SEND
-1, // KEY_SEOL
-1, // KEY_SEXIT
-1, // KEY_SFIND
-1, // KEY_SHELP
Key_S_Home,// KEY_SHOME
Key_S_Ins, // KEY_SIC
Key_S_Lft, // KEY_SLEFT
-1, // KEY_SMESSAGE
-1, // KEY_SMOVE
-1, // KEY_SNEXT
-1, // KEY_SOPTIONS
-1, // KEY_SPREVIOUS
-1, // KEY_SPRINT
-1, // KEY_SREDO
-1, // KEY_SREPLACE
Key_S_Rgt, // KEY_SRIGHT
-1, // KEY_SRSUME
-1, // KEY_SSAVE
-1, // KEY_SSUSPEND
-1, // KEY_SUNDO
-1, // KEY_SUSPEND
-1, // KEY_UNDO
-1, // KEY_MOUSE
-1 // KEY_RESIZE
};
int gkbd_cursgetch(int mode) {
int key;
#ifndef BUGGY_NCURSES
nodelay(stdscr, mode);
#else
wtimeout(stdscr, mode ? 0 : -1);
#endif
key = getch();
#ifndef BUGGY_NCURSES
nodelay(stdscr, FALSE);
#else
wtimeout(stdscr, -1);
#endif
return key;
}
// ------------------------------------------------------------------
// The following table maps NT virtual keycodes to PC BIOS keyboard
// values. For each virtual keycode there are four possible BIOS
// values: normal, shift, Ctrl, and ALT. Key combinations that have
// no BIOS equivalent have a value of -1, and are ignored. Extended
// (non-ASCII) key values have bit 8 set to 1 using the EXT macro.
#elif defined(__WIN32__)
#define EXT(key) ((key)|0x10000)
#define ISEXT(val) ((val)&0x10000)
#define EXTVAL(val) ((val)&0xFF)
struct kbd {
int keycode; // virtual keycode
int normal; // BIOS keycode - normal
int shift; // BIOS keycode - Shift-
int ctrl; // BIOS keycode - Ctrl-
int alt; // BIOS keycode - Alt-
} __gkbd_nt2b_table [] =
{
// ------------------------------------------------------------------
// Virtual key Normal Shift Control Alt
{ VK_BACK, Key_BS, Key_BS, Key_C_BS, Key_A_BS },
{ VK_TAB, Key_Tab, Key_S_Tab, Key_C_Tab, Key_A_Tab },
{ VK_RETURN, Key_Ent, Key_Ent, Key_C_Ent, Key_A_Ent },
{ VK_ESCAPE, Key_Esc, Key_Esc, Key_Esc, Key_A_Esc },
{ VK_SPACE, -1, -1, Key_Space, Key_Space },
{ '0', Key_0, Key_S_0, -1, Key_A_0 },
{ '1', Key_1, Key_S_1, -1, Key_A_1 },
{ '2', Key_2, Key_S_2, Key_C_2, Key_A_2 },
{ '3', Key_3, Key_S_3, -1, Key_A_3 },
{ '4', Key_4, Key_S_4, -1, Key_A_4 },
{ '5', Key_5, Key_S_5, -1, Key_A_5 },
{ '6', Key_6, Key_S_6, Key_C_6, Key_A_6 },
{ '7', Key_7, Key_S_7, -1, Key_A_7 },
{ '8', Key_8, Key_S_8, -1, Key_A_8 },
{ '9', Key_9, Key_S_9, -1, Key_A_9 },
{ 'A', Key_A, Key_S_A, Key_C_A, Key_A_A },
{ 'B', Key_B, Key_S_B, Key_C_B, Key_A_B },
{ 'C', Key_C, Key_S_C, Key_C_C, Key_A_C },
{ 'D', Key_D, Key_S_D, Key_C_D, Key_A_D },
{ 'E', Key_E, Key_S_E, Key_C_E, Key_A_E },
{ 'F', Key_F, Key_S_F, Key_C_F, Key_A_F },
{ 'G', Key_G, Key_S_G, Key_C_G, Key_A_G },
{ 'H', Key_H, Key_S_H, Key_C_H, Key_A_H },
{ 'I', Key_I, Key_S_I, Key_C_I, Key_A_I },
{ 'J', Key_J, Key_S_J, Key_C_J, Key_A_J },
{ 'K', Key_K, Key_S_K, Key_C_K, Key_A_K },
{ 'L', Key_L, Key_S_L, Key_C_L, Key_A_L },
{ 'M', Key_M, Key_S_M, Key_C_M, Key_A_M },
{ 'N', Key_N, Key_S_N, Key_C_N, Key_A_N },
{ 'O', Key_O, Key_S_O, Key_C_O, Key_A_O },
{ 'P', Key_P, Key_S_P, Key_C_P, Key_A_P },
{ 'Q', Key_Q, Key_S_Q, Key_C_Q, Key_A_Q },
{ 'R', Key_R, Key_S_R, Key_C_R, Key_A_R },
{ 'S', Key_S, Key_S_S, Key_C_S, Key_A_S },
{ 'T', Key_T, Key_S_T, Key_C_T, Key_A_T },
{ 'U', Key_U, Key_S_U, Key_C_U, Key_A_U },
{ 'V', Key_V, Key_S_V, Key_C_V, Key_A_V },
{ 'W', Key_W, Key_S_W, Key_C_W, Key_A_W },
{ 'X', Key_X, Key_S_X, Key_C_X, Key_A_X },
{ 'Y', Key_Y, Key_S_Y, Key_C_Y, Key_A_Y },
{ 'Z', Key_Z, Key_S_Z, Key_C_Z, Key_A_Z },
{ VK_PRIOR, Key_PgUp, Key_S_PgUp, Key_C_PgUp, Key_A_PgUp },
{ VK_NEXT, Key_PgDn, Key_S_PgDn, Key_C_PgDn, Key_A_PgDn },
{ VK_END, Key_End, Key_S_End, Key_C_End, Key_A_End },
{ VK_HOME, Key_Home, Key_S_Home, Key_C_Home, Key_A_Home },
{ VK_LEFT, Key_Lft, Key_S_Lft, Key_C_Lft, Key_A_Lft },
{ VK_UP, Key_Up, Key_S_Up, Key_C_Up, Key_A_Up },
{ VK_RIGHT, Key_Rgt, Key_S_Rgt, Key_C_Rgt, Key_A_Rgt },
{ VK_DOWN, Key_Dwn, Key_S_Dwn, Key_C_Dwn, Key_A_Dwn },
{ VK_INSERT, Key_Ins, Key_S_Ins, Key_C_Ins, Key_A_Ins },
{ VK_DELETE, Key_Del, Key_S_Del, Key_C_Del, Key_A_Del },
{ VK_CLEAR, Key_5Num, Key_S_5Num, Key_C_5Num, Key_A_5Num },
{ VK_NUMPAD0, Key_0, Key_S_Ins, Key_C_Ins, -1 },
{ VK_NUMPAD1, Key_1, Key_S_End, Key_C_End, -1 },
{ VK_NUMPAD2, Key_2, Key_S_Dwn, Key_C_Dwn, -1 },
{ VK_NUMPAD3, Key_3, Key_S_PgDn, Key_C_PgDn, -1 },
{ VK_NUMPAD4, Key_4, Key_S_Lft, Key_C_Lft, -1 },
{ VK_NUMPAD5, Key_5, Key_S_5Num, Key_C_5Num, -1 },
{ VK_NUMPAD6, Key_6, Key_S_Rgt, Key_C_Rgt, -1 },
{ VK_NUMPAD7, Key_7, Key_S_Home, Key_C_Home, -1 },
{ VK_NUMPAD8, Key_8, Key_S_Up, Key_C_Up, -1 },
{ VK_NUMPAD9, Key_9, Key_S_PgUp, Key_C_PgUp, -1 },
{ VK_MULTIPLY, Key_Multi, Key_Multi, Key_Multi, Key_Multi },
{ VK_ADD, Key_Plus, Key_Plus, Key_Plus, Key_Plus },
{ VK_SUBTRACT, Key_Minus, Key_Minus, Key_Minus, Key_Minus },
{ VK_DECIMAL, -1, -1, Key_C_Del, Key_A_Del },
{ VK_DIVIDE, Key_Sls, Key_Sls, Key_Sls, Key_Sls },
{ VK_F1, Key_F1, Key_S_F1, Key_C_F1, Key_A_F1 },
{ VK_F2, Key_F2, Key_S_F2, Key_C_F2, Key_A_F2 },
{ VK_F3, Key_F3, Key_S_F3, Key_C_F3, Key_A_F3 },
{ VK_F4, Key_F4, Key_S_F4, Key_C_F4, Key_A_F4 },
{ VK_F5, Key_F5, Key_S_F5, Key_C_F5, Key_A_F5 },
{ VK_F6, Key_F6, Key_S_F6, Key_C_F6, Key_A_F6 },
{ VK_F7, Key_F7, Key_S_F7, Key_C_F7, Key_A_F7 },
{ VK_F8, Key_F8, Key_S_F8, Key_C_F8, Key_A_F8 },
{ VK_F9, Key_F9, Key_S_F9, Key_C_F9, Key_A_F9 },
{ VK_F10, Key_F10, Key_S_F10, Key_C_F10, Key_A_F10 },
{ VK_F11, Key_F11, Key_S_F11, Key_C_F11, Key_A_F11 },
{ VK_F12, Key_F12, Key_S_F12, Key_C_F12, Key_A_F12 },
{ -1, -1, -1, -1, -1 } // THE END
};
// ------------------------------------------------------------------
bool is_oem_key(int keycode)
{
switch(keycode)
{
// OEM specific keys
case 0x2a:
case 0xba: case 0xbb: case 0xbc: case 0xbd: case 0xbe:
case 0xbf: case 0xc0:
case 0xdb: case 0xdc: case 0xdd: case 0xde: case 0xdf:
case 0xe0: case 0xe1: case 0xe2: case 0xe3: case 0xe4:
case 0xe6:
case 0xe9: case 0xea: case 0xeb: case 0xec: case 0xed:
case 0xef: case 0xf0: case 0xf1: case 0xf2: case 0xf3:
case 0xf4: case 0xf5:
return true;
default:
return false;
}
}
// ------------------------------------------------------------------
int gkbd_nt2bios(INPUT_RECORD& inp) {
int keycode = inp.Event.KeyEvent.wVirtualKeyCode;
int state = inp.Event.KeyEvent.dwControlKeyState;
int ascii = inp.Event.KeyEvent.uChar.AsciiChar;
// Look up the virtual keycode in the table. Ignore unrecognized keys.
kbd* k = &__gkbd_nt2b_table[0];
while((keycode != k->keycode) and (k->keycode != -1))
k++;
if(k->keycode == -1) { // value not in table
return ascii ? ascii : -1;
}
// Check the state of the shift keys. ALT has highest
// priority, followed by Control, followed by Shift.
// Select the appropriate table entry based on shift state.
int c;
if(state & (RIGHT_ALT_PRESSED | LEFT_ALT_PRESSED))
c = k->alt;
else if(state & (RIGHT_CTRL_PRESSED | LEFT_CTRL_PRESSED))
c = k->ctrl;
else if(state & SHIFT_PRESSED) {
if(k->shift == -1)
c = ascii;
else
c = k->shift;
}
else {
// If it is a letter key, use the ASCII value supplied
// by NT to take into account the CapsLock state.
if(isupper(keycode) || (k->normal == -1))
c = ascii;
else
c = k->normal;
}
if(c != -1)
if(ascii and not (right_alt_same_as_left ? (state & (LEFT_ALT_PRESSED | RIGHT_ALT_PRESSED)) : (state & LEFT_ALT_PRESSED)))
if(isalnum(keycode))
return (ascii == ' ') ? Key_Space : ascii;
if(ISEXT(c))
return EXTVAL(c) << 8;
return c;
}
// ------------------------------------------------------------------
bool is_numpad_key(const INPUT_RECORD& inp) {
if(not (inp.Event.KeyEvent.dwControlKeyState & ENHANCED_KEY)) {
switch(inp.Event.KeyEvent.wVirtualKeyCode) {
case VK_CLEAR:
case VK_PRIOR:
case VK_NEXT:
case VK_END:
case VK_HOME:
case VK_LEFT:
case VK_UP:
case VK_RIGHT:
case VK_DOWN:
case VK_INSERT:
case VK_DELETE:
case VK_NUMPAD0:
case VK_NUMPAD1:
case VK_NUMPAD2:
case VK_NUMPAD3:
case VK_NUMPAD4:
case VK_NUMPAD5:
case VK_NUMPAD6:
case VK_NUMPAD7:
case VK_NUMPAD8:
case VK_NUMPAD9:
return true;
}
}
return false;
}
// ------------------------------------------------------------------
// Numpad translation table
#elif defined(__MSDOS__) || defined(__OS2__)
const word numpad_keys[] = {
0x4737, 0x4838, 0x4939, 0x0000,
0x4B34, 0x0000, 0x4D36, 0x0000,
0x4F31, 0x5032, 0x5133,
0x5230, 0x532e
};
#endif
#if defined(__linux__)
bool linux_cui_key(gkey k) {
switch(k) {
case Key_Dwn:
case Key_Up:
case Key_Lft:
case Key_Rgt:
case Key_Home:
case Key_Del:
case Key_Ins:
case Key_PgDn:
case Key_PgUp:
case Key_End:
return true;
}
return false;
}
#endif
// ------------------------------------------------------------------
// Get key stroke
gkey kbxget_raw(int mode) {
// mode - =0 - wait for key is pressed (returns code)
// =1 - test if keystroke is available (returns code if YES,
// otherwise returns 0)
// =2 - return Shifts key status
gkey k;
#if defined(__USE_NCURSES__)
int key;
if(mode == 2) {
// We can't do much but we can at least this :-)
k = kbxget_raw(1);
key = 0;
switch(k) {
case Key_C_Brk:
key = GCTRL;
break;
case Key_S_Tab:
case Key_S_Home:
case Key_S_Del:
case Key_S_Ins:
case Key_S_Lft:
case Key_S_Rgt:
case Key_S_End:
key = LSHIFT;
break;
}
return key;
}
// Get keystroke
key = gkbd_cursgetch(mode);
if(key == ERR)
return 0;
// Prefix for Meta-key or Alt-key sequences
if(key == 27) {
int key2 = gkbd_cursgetch(TRUE);
// If no key follows, it is no Meta- or Alt- seq, but a single Esc
if(key2 == ERR)
k = Key_Esc;
// Compute the right keycode for the alt sequence
else if((key2 >= '1') and (key2 <= '9'))
k = 0x7800 + ((key2 - '1') << 8);
else if(key2 == '0')
k = 0x8100;
else if(isalpha(key2))
k = (scancode_table[key2]);
else if(key2 == '\010')
k = Key_A_BS;
else if(key2 == '\011')
k = Key_A_Tab;
else if(key2 == '\015')
k = Key_A_Ent;
else {
// No correct Alt-sequence; ungetch last key and return Esc
if (mode != 1)
ungetch(key2);
k = Key_Esc;
}
if((key2 != ERR) and (mode == 1))
ungetch(key2);
}
// Curses sequence; lookup in nice table above
else if((key >= KEY_MIN) && (key <= KEY_MIN+sizeof(gkbd_curstable)/sizeof(int)))
k = (gkbd_curstable[key - KEY_MIN]);
else if(key == '\015')
k = Key_Ent;
else if(key == '\011')
k = Key_Tab;
else if(key == '\000')
k = Key_Space;
else
k = key;
if(mode == 1)
ungetch(key);
#elif defined(__MSDOS__)
if(gkbd.extkbd)
mode |= 0x10;
i86 cpu;
cpu.ah((byte)mode);
cpu.genint(0x16);
if(mode & 0x01)
if(cpu.flags() & 0x40) // if ZF is set, no key is available
return 0;
k = (gkey)cpu.ax();
if((mode & ~0x10) == 0) {
if((KCodAsc(k) == 0xE0) and (KCodScn(k) != 0)) {
if(kbxget_raw(2) & (LSHIFT | RSHIFT)) {
KCodAsc(k) = 0;
KCodScn(k) |= 0x80;
}
}
else
switch(KCodScn(k)) {
case 0x47:
case 0x48:
case 0x49:
case 0x4B:
case 0x4D:
case 0x4F:
case 0x50:
case 0x51:
case 0x52:
case 0x53:
{
int shifts = kbxget_raw(2);
if(shifts & (LSHIFT | RSHIFT)) {
if(shifts & NUMLOCK)
KCodAsc(k) = 0;
else {
KCodAsc(k) = 0;
KCodScn(k) |= 0x80;
}
}
}
break;
default:
break;
}
}
// If you test shift/alt/ctrl status with bios calls (e.g., using
// bioskey (2) or bioskey (0x12)) then you should also use bios calls
// for testing for keys. This can be done with by bioskey (1) or
// bioskey (0x11). Failing to do so can cause trouble in multitasking
// environments like DESQview/X. (Taken from DJGPP documentation)
if((mode & 0x02) == 1)
kbxget_raw(1);
#elif defined(__OS2__)
KBDKEYINFO kb;
mode &= 0xF;
if(mode == 0)
KbdCharIn(&kb, IO_WAIT, 0);
else if(mode == 2) {
KbdPeek(&kb, 0);
if(kb.fbStatus)
return (gkey)(kb.fsState & (RSHIFT|LSHIFT|GCTRL|ALT));
else
return 0;
}
else {
KbdPeek(&kb, 0);
if(!(kb.fbStatus & 0x40))
return 0;
}
KCodScn(k) = kb.chScan;
KCodAsc(k) = kb.chChar;
if(0x000 == KCodKey(k))
return KEY_BRK;
if(0xE0 == KCodScn(k))
KCodScn(k) = 0x1C;
else {
if(0xE0 == KCodAsc(k)) {
// If key on the alphanumeric part then don't touch it.
// This need to enter for example, russian 'p' char (code 0xe0)
if(KCodScn(k) >= 0x38) {
KCodAsc(k) = 0x00;
if(kb.fsState & (LSHIFT | RSHIFT))
KCodScn(k) |= 0x80;
}
else
KCodScn(k) = 0x00;
}
else
switch(KCodScn(k)) {
case 0x47:
case 0x48:
case 0x49:
case 0x4B:
case 0x4D:
case 0x4F:
case 0x50:
case 0x51:
case 0x52:
case 0x53:
if(kb.fsState & (LSHIFT | RSHIFT)) {
if(kb.fsState & NUMLOCK)
KCodAsc(k) = 0;
else {
KCodAsc(k) = 0;
KCodScn(k) |= 0x80;
}
}
break;
default:
break;
}
}
#elif defined(__WIN32__)
INPUT_RECORD inp;
DWORD nread;
if(mode == 2) {
return 0;
}
else if(mode & 0x01) {
// Peek at next key
k = 0;
PeekConsoleInput(gkbd_hin, &inp, 1, &nread);
if(nread) {
if((inp.EventType == KEY_EVENT) and inp.Event.KeyEvent.bKeyDown) {
int kc = gkbd_nt2bios(inp);
if((kc != -1) or is_oem_key(inp.Event.KeyEvent.wVirtualKeyCode)) {
k = (gkey)kc;
return k;
}
}
// Discard other events
ReadConsoleInput(gkbd_hin, &inp, 1, &nread);
}
}
else {
DWORD &CKS = inp.Event.KeyEvent.dwControlKeyState;
WORD &VKC = inp.Event.KeyEvent.wVirtualKeyCode;
char &ascii = inp.Event.KeyEvent.uChar.AsciiChar;
while(1) {
PeekConsoleInput(gkbd_hin, &inp, 1, &nread);
if(not nread) {
WaitForSingleObject(gkbd_hin, 1000);
continue;
}
if((inp.EventType == KEY_EVENT) and inp.Event.KeyEvent.bKeyDown) {
bool alt_pressed = (CKS & (LEFT_ALT_PRESSED|RIGHT_ALT_PRESSED)) ? true : false;
bool ctrl_pressed = (CKS & (LEFT_CTRL_PRESSED|RIGHT_CTRL_PRESSED)) ? true : false;
bool shift_pressed = (CKS & SHIFT_PRESSED) ? true : false;
bool special_key = false;
k = 0;
if(alt_pressed)
special_key = is_numpad_key(inp); // Alt-<numpad key>
else if(not gkbd_nt and not (CKS & ENHANCED_KEY) and not (VKC == VK_CLEAR) and (ascii and not ctrl_pressed) and not (iscntrl(ascii) and shift_pressed))
special_key = true; // It is alphanumeric key under Win9x
if(special_key) {
ReadConsole(gkbd_hin, &ascii, 1, &nread, NULL);
if(alt_pressed) {
k = (gkey)ascii;
break;
}
}
else {
ReadConsoleInput(gkbd_hin, &inp, 1, &nread);
}
switch(VKC) {
// Not meanful keys
case VK_SHIFT:
case VK_CONTROL:
case VK_MENU:
case VK_CAPITAL:
case VK_NUMLOCK:
case VK_SCROLL:
break;
case VK_NUMPAD0:
case VK_NUMPAD1:
case VK_NUMPAD2:
case VK_NUMPAD3:
case VK_NUMPAD4:
case VK_NUMPAD5:
case VK_NUMPAD6:
case VK_NUMPAD7:
case VK_NUMPAD8:
case VK_NUMPAD9:
if(shift_pressed) {
WORD keytrans[10][2] = {
{VK_NUMPAD0, VK_INSERT},
{VK_NUMPAD1, VK_END},
{VK_NUMPAD2, VK_DOWN},
{VK_NUMPAD3, VK_NEXT},
{VK_NUMPAD4, VK_LEFT},
{VK_NUMPAD5, VK_CLEAR},
{VK_NUMPAD6, VK_RIGHT},
{VK_NUMPAD7, VK_HOME},
{VK_NUMPAD8, VK_UP},
{VK_NUMPAD9, VK_PRIOR},
};
for(int i = 0; i < 10; i++)
if(VKC == keytrans[i][0]) {
VKC = keytrans[i][1];
break;
}
}
// fall through
default:
{
int kc = gkbd_nt2bios(inp);
if(kc != -1)
k = (gkey)kc;
}
break;
}
if(k != 0)
break;
}
else {
// Discard other events
ReadConsoleInput(gkbd_hin, &inp, 1, &nread);
}
}
}
#elif defined(__UNIX__)
if(mode == 2) {
int key;
#ifdef __linux__
// Under Linux we could use TIOCLINUX fn. 6 to read shift states on console
// Of course it is very unportable but should produce good results :-)
key = 6;
if(ioctl(fileno(stdin), TIOCLINUX, &key) == -1)
#endif
key = 0;
return key;
}
else if(mode & 0x01) {
// Peek at next key
return gkbd_input_pending() ? 0xFFFF : 0;
}
else {
k = gkbd_getmappedkey();
}
#endif
#ifdef __linux__
if(linux_cui_key(k)) {
// Under Linux we could use TIOCLINUX fn. 6 to read shift states on console
// Of course it is very unportable but should produce good results :-)
int shifts = 6;
if(ioctl(fileno(stdin), TIOCLINUX, &shifts) == -1)
shifts = 0;
if(shifts & (LSHIFT | RSHIFT))
KCodScn(k) |= 0x80;
else if(shifts & GCTRL) {
switch(k) {
case Key_Ins:
k = Key_C_Ins;
break;
case Key_Del:
k = Key_C_Del;
break;
case Key_Dwn:
k = Key_C_Dwn;
break;
case Key_Up:
k = Key_C_Up;
break;
case Key_Lft:
k = Key_C_Lft;
break;
case Key_Rgt:
k = Key_C_Rgt;
break;
case Key_Home:
k = Key_C_Home;
break;
case Key_PgDn:
k = Key_C_PgDn;
break;
case Key_PgUp:
k = Key_C_PgUp;
break;
case Key_End:
k = Key_C_End;
break;
}
}
} else if(k == Key_BS) {
// Under Linux we could use TIOCLINUX fn. 6 to read shift states on console
// Of course it is very unportable but should produce good results :-)
int shifts = 6;
if(ioctl(fileno(stdin), TIOCLINUX, &shifts) == -1)
shifts = 0;
if(shifts & ALT)
k = Key_A_BS;
else if(shifts & GCTRL)
k = Key_C_BS;
}
#endif
return k;
}
// ------------------------------------------------------------------
// Get key stroke
gkey kbxget(int mode) {
return keyscanxlat(kbxget_raw(mode));
}
// ------------------------------------------------------------------
// Returns keycode of waiting key or zero if none
gkey kbxhit() {
return kbxget(0x01);
}
// ------------------------------------------------------------------
// Clears internal keyboard buffer
void kbclear() {
while(gkbd.kbuf != NULL) {
KBuf *kbuf = gkbd.kbuf->next;
throw_free(gkbd.kbuf);
gkbd.kbuf = kbuf;
}
}
// ------------------------------------------------------------------
// Clear keyboard buffer
void clearkeys() {
while(kbxhit())
kbxget(0x00);
}
// ------------------------------------------------------------------
// Puts a keystroke into the CXL keyboard "buffer"
int kbput(gkey xch) {
KBuf* kbuf;
KBuf* temp;
// allocate space for another keypress record
kbuf=(KBuf*)throw_malloc(sizeof(KBuf));
// find last record in linked list
if((temp=gkbd.kbuf)!=NULL)
for(;temp->next!=NULL;temp=temp->next);
// add new record to end of linked list
kbuf->next=NULL;
kbuf->prev=temp;
if(temp != NULL)
temp->next=kbuf;
// add keypress info to new record
kbuf->xch=xch;
// if kbuf pointer was NULL, point it to new record
if(gkbd.kbuf == NULL)
gkbd.kbuf=kbuf;
// return normally
return 0;
}
// ------------------------------------------------------------------
// Put keys into the real keyboard buffer
gkey kbput_(gkey xch) {
#if defined(__MSDOS__)
#if defined(__DJGPP__)
if(gkbd.extkbd) {
i86 cpu;
cpu.ah(0x05);
cpu.cx((word)xch);
cpu.genint(0x16);
}
else {
#endif
#define BufStart (word)peek(0x40,0x80)
#define BufEnd (word)peek(0x40,0x82)
#define BufHead (word)peek(0x40,0x1A)
#define BufTail (word)peek(0x40,0x1C)
#define BufTail_(a) poke(0x40,0x1C,(word)(a))
word OldBufTail;
OldBufTail = BufTail;
if(BufTail == BufEnd-2)
BufTail_(BufStart);
else
BufTail_(BufTail+2);
if(BufTail == BufHead)
BufTail_(OldBufTail);
else {
poke(0x40, OldBufTail, xch);
}
#if defined(__DJGPP__)
}
#endif
#endif
return xch;
}
// ------------------------------------------------------------------
// Put keys into the real keyboard buffer
void kbputs_(char* str) {
char* p;
for(p=str; *p ;p++)
kbput_(gkey((scancode(*p)<<8)|*p));
}
// ------------------------------------------------------------------
// Change defined "on-key" list pointer
KBnd* chgonkey(KBnd* list) {
KBnd* temp;
temp = gkbd.onkey;
gkbd.onkey = list;
return temp;
}
// ------------------------------------------------------------------
// Frees all active onkey definitions from memory
void freonkey() {
KBnd* temp;
// free all onkey records in linked list
while(gkbd.onkey!=NULL) {
temp = gkbd.onkey->prev;
throw_free(gkbd.onkey);
gkbd.onkey = temp;
}
}
// ------------------------------------------------------------------
// Attaches/detaches a key to a function
int setonkey(gkey keycode, VfvCP func, gkey pass) {
// search for a keycode that is already defined
KBnd* onkey = gkbd.onkey;
while(onkey) {
if(onkey->keycode == keycode)
break;
onkey = onkey->prev;
}
// check to see if a key detachment is being requested
if(func == NULL) {
// if no defined onkey was found, then error
if(onkey == NULL)
return 2;
// delete record from linked list
KBnd* prev = onkey->prev;
KBnd* next = onkey->next;
if(prev)
prev->next = next;
if(next)
next->prev = prev;
if(onkey == gkbd.onkey)
gkbd.onkey = prev;
// free memory allocated for deleted record
throw_free(onkey);
}
else {
// if key was found, change func pointer
// otherwise create a new onkey record
if(onkey)
onkey->func = func;
else {
// allocate memory for new record
onkey = (KBnd*)throw_malloc(sizeof(KBnd));
if(onkey == NULL)
return 1;
// add new record to linked list
if(gkbd.onkey)
gkbd.onkey->next = onkey;
onkey->prev = gkbd.onkey;
onkey->next = NULL;
gkbd.onkey = onkey;
// save info in onkey record
gkbd.onkey->keycode = keycode;
gkbd.onkey->func = func;
gkbd.onkey->pass = pass;
}
}
// return normally
return 0;
}
// ------------------------------------------------------------------
gkey key_tolower(gkey __keycode) {
byte &ascii = KCodAsc(__keycode);
if(isupper(ascii))
ascii = tolower(ascii);
return __keycode;
}
// ------------------------------------------------------------------
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