+++ /dev/null
-/* NetHack 3.6 nh340key.c $NHDT-Date: 1432512793 2015/05/25 00:13:13 $ $NHDT-Branch: master $:$NHDT-Revision: 1.12 $ */
-/* Copyright (c) NetHack PC Development Team 2003 */
-/* NetHack may be freely redistributed. See license for details. */
-
-/*
- * This is the NetHack keystroke processing from NetHack 3.4.0.
- * It can be built as a run-time loadable dll (nh340key.dll),
- * placed in the same directory as the nethack.exe executable,
- * and loaded by specifying OPTIONS=altkeyhandler:nh340key
- * in defaults.nh
- */
-
-static char where_to_get_source[] = "http://www.nethack.org/";
-static char author[] = "The NetHack Development Team";
-
-#include "win32api.h"
-#include "hack.h"
-#include "wintty.h"
-
-extern HANDLE hConIn;
-extern INPUT_RECORD ir;
-char dllname[512];
-char *shortdllname;
-
-int FDECL(__declspec(dllexport) __stdcall ProcessKeystroke,
- (HANDLE hConIn, INPUT_RECORD *ir, boolean *valid,
- BOOLEAN_P numberpad, int portdebug));
-
-int WINAPI
-DllMain(HINSTANCE hInstance, DWORD fdwReason, PVOID pvReserved)
-{
- char dlltmpname[512];
- char *tmp = dlltmpname, *tmp2;
- *(tmp + GetModuleFileName(hInstance, tmp, 511)) = '\0';
- (void) strcpy(dllname, tmp);
- tmp2 = strrchr(dllname, '\\');
- if (tmp2) {
- tmp2++;
- shortdllname = tmp2;
- }
- return TRUE;
-}
-
-/*
- * Keyboard translation tables.
- * (Adopted from the MSDOS port)
- */
-
-#define KEYPADLO 0x47
-#define KEYPADHI 0x53
-
-#define PADKEYS (KEYPADHI - KEYPADLO + 1)
-#define iskeypad(x) (KEYPADLO <= (x) && (x) <= KEYPADHI)
-
-#ifdef QWERTZ_SUPPORT
-/* when 'numberpad' is 0 and Cmd.swap_yz is True
- (signaled by setting 0x10 on boolean numpad argument)
- treat keypress of numpad 7 as 'z' rather than 'y' */
-static boolean qwertz = FALSE;
-#endif
-
-/*
- * Keypad keys are translated to the normal values below.
- * Shifted keypad keys are translated to the
- * shift values below.
- */
-
-static const struct pad {
- uchar normal, shift, cntrl;
-} keypad[PADKEYS] =
- {
- { 'y', 'Y', C('y') }, /* 7 */
- { 'k', 'K', C('k') }, /* 8 */
- { 'u', 'U', C('u') }, /* 9 */
- { 'm', C('p'), C('p') }, /* - */
- { 'h', 'H', C('h') }, /* 4 */
- { 'g', 'G', 'g' }, /* 5 */
- { 'l', 'L', C('l') }, /* 6 */
- { '+', 'P', C('p') }, /* + */
- { 'b', 'B', C('b') }, /* 1 */
- { 'j', 'J', C('j') }, /* 2 */
- { 'n', 'N', C('n') }, /* 3 */
- { 'i', 'I', C('i') }, /* Ins */
- { '.', ':', ':' } /* Del */
- },
- numpad[PADKEYS] = {
- { '7', M('7'), '7' }, /* 7 */
- { '8', M('8'), '8' }, /* 8 */
- { '9', M('9'), '9' }, /* 9 */
- { 'm', C('p'), C('p') }, /* - */
- { '4', M('4'), '4' }, /* 4 */
- { 'g', 'G', 'g' }, /* 5 */
- { '6', M('6'), '6' }, /* 6 */
- { '+', 'P', C('p') }, /* + */
- { '1', M('1'), '1' }, /* 1 */
- { '2', M('2'), '2' }, /* 2 */
- { '3', M('3'), '3' }, /* 3 */
- { 'i', 'I', C('i') }, /* Ins */
- { '.', ':', ':' } /* Del */
- };
-
-#define inmap(x, vk) (((x) > 'A' && (x) < 'Z') || (vk) == 0xBF || (x) == '2')
-
-int __declspec(dllexport) __stdcall ProcessKeystroke(hConIn, ir, valid,
- numberpad, portdebug)
-HANDLE hConIn;
-INPUT_RECORD *ir;
-boolean *valid;
-boolean numberpad;
-int portdebug;
-{
- int metaflags = 0, k = 0;
- int keycode, vk;
- unsigned char ch, pre_ch, mk = 0;
- unsigned short int scan;
- unsigned long shiftstate;
- int altseq = 0;
- const struct pad *kpad;
-
-#ifdef QWERTZ_SUPPORT
- if (numberpad & 0x10) {
- numberpad &= ~0x10;
- qwertz = TRUE;
- } else {
- qwertz = FALSE;
- }
-#endif
-
- shiftstate = 0L;
- ch = pre_ch = ir->Event.KeyEvent.uChar.AsciiChar;
- scan = ir->Event.KeyEvent.wVirtualScanCode;
- vk = ir->Event.KeyEvent.wVirtualKeyCode;
- keycode = MapVirtualKey(vk, 2);
- shiftstate = ir->Event.KeyEvent.dwControlKeyState;
-
- if (shiftstate & (LEFT_ALT_PRESSED | RIGHT_ALT_PRESSED)) {
- if (ch || inmap(keycode, vk))
- altseq = 1;
- else
- altseq = -1; /* invalid altseq */
- }
- if (ch || (iskeypad(scan)) || (altseq > 0))
- *valid = TRUE;
- /* if (!valid) return 0; */
- /*
- * shiftstate can be checked to see if various special
- * keys were pressed at the same time as the key.
- * Currently we are using the ALT & SHIFT & CONTROLS.
- *
- * RIGHT_ALT_PRESSED, LEFT_ALT_PRESSED,
- * RIGHT_CTRL_PRESSED, LEFT_CTRL_PRESSED,
- * SHIFT_PRESSED,NUMLOCK_ON, SCROLLLOCK_ON,
- * CAPSLOCK_ON, ENHANCED_KEY
- *
- * are all valid bit masks to use on shiftstate.
- * eg. (shiftstate & LEFT_CTRL_PRESSED) is true if the
- * left control key was pressed with the keystroke.
- */
- if (iskeypad(scan)) {
- kpad = numberpad ? numpad : keypad;
- if (shiftstate & SHIFT_PRESSED) {
- ch = kpad[scan - KEYPADLO].shift;
- } else if (shiftstate & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED)) {
- ch = kpad[scan - KEYPADLO].cntrl;
- } else {
- ch = kpad[scan - KEYPADLO].normal;
- }
-#ifdef QWERTZ_SUPPORT
- /* OPTIONS=number_pad:-1 is for qwertz keyboard; for that setting,
- 'numberpad' will be 0; core swaps y to zap, z to move northwest;
- we want numpad 7 to move northwest, so when qwertz is set,
- tell core that user who types numpad 7 typed z rather than y */
- if (qwertz && kpad[scan - KEYPADLO].normal == 'y')
- ch += 1; /* changes y to z, Y to Z, ^Y to ^Z */
-#endif /*QWERTZ_SUPPORT*/
- } else if (altseq > 0) { /* ALT sequence */
- if (vk == 0xBF)
- ch = M('?');
- else
- ch = M(tolower((uchar) keycode));
- }
- if (ch == '\r')
- ch = '\n';
-#ifdef PORT_DEBUG
- if (portdebug) {
- char buf[BUFSZ];
- Sprintf(buf,
- "PORTDEBUG (%s): ch=%u, sc=%u, vk=%d, sh=0x%X (ESC to end)",
- shortdllname, ch, scan, vk, shiftstate);
- fprintf(stdout, "\n%s", buf);
- }
-#endif
- return ch;
-}
-
-int __declspec(dllexport) __stdcall NHkbhit(hConIn, ir)
-HANDLE hConIn;
-INPUT_RECORD *ir;
-{
- int done = 0; /* true = "stop searching" */
- int retval; /* true = "we had a match" */
- DWORD count;
- unsigned short int scan;
- unsigned char ch;
- unsigned long shiftstate;
- int altseq = 0, keycode, vk;
- done = 0;
- retval = 0;
- while (!done) {
- count = 0;
- PeekConsoleInput(hConIn, ir, 1, &count);
- if (count > 0) {
- if (ir->EventType == KEY_EVENT && ir->Event.KeyEvent.bKeyDown) {
- ch = ir->Event.KeyEvent.uChar.AsciiChar;
- scan = ir->Event.KeyEvent.wVirtualScanCode;
- shiftstate = ir->Event.KeyEvent.dwControlKeyState;
- vk = ir->Event.KeyEvent.wVirtualKeyCode;
- keycode = MapVirtualKey(vk, 2);
- if (shiftstate & (LEFT_ALT_PRESSED | RIGHT_ALT_PRESSED)) {
- if (ch || inmap(keycode, vk))
- altseq = 1;
- else
- altseq = -1; /* invalid altseq */
- }
- if (ch || iskeypad(scan) || altseq) {
- done = 1; /* Stop looking */
- retval = 1; /* Found what we sought */
- } else {
- /* Strange Key event; let's purge it to avoid trouble */
- ReadConsoleInput(hConIn, ir, 1, &count);
- }
-
- } else if ((ir->EventType == MOUSE_EVENT
- && (ir->Event.MouseEvent.dwButtonState
- & MOUSEMASK))) {
- done = 1;
- retval = 1;
- }
-
- else /* Discard it, it's an insignificant event */
- ReadConsoleInput(hConIn, ir, 1, &count);
- } else /* There are no events in console event queue */ {
- done = 1; /* Stop looking */
- retval = 0;
- }
- }
- return retval;
-}
-
-int __declspec(dllexport) __stdcall CheckInput(hConIn, ir, count, numpad,
- mode, mod, cc)
-HANDLE hConIn;
-INPUT_RECORD *ir;
-DWORD *count;
-boolean numpad;
-int mode;
-int *mod;
-coord *cc;
-{
-#if defined(SAFERHANGUP)
- DWORD dwWait;
-#endif
- int ch;
- boolean valid = 0, done = 0;
-
-#ifdef QWERTZ_SUPPORT
- if (numpad & 0x10) {
- numpad &= ~0x10;
- qwertz = TRUE;
- } else {
- qwertz = FALSE;
- }
-#endif
- while (!done) {
-#if defined(SAFERHANGUP)
- dwWait = WaitForSingleObjectEx(hConIn, // event object to wait for
- INFINITE, // waits indefinitely
- TRUE); // alertable wait enabled
- if (dwWait == WAIT_FAILED)
- return '\033';
-#endif
- ReadConsoleInput(hConIn, ir, 1, count);
- if (mode == 0) {
- if ((ir->EventType == KEY_EVENT) && ir->Event.KeyEvent.bKeyDown) {
-#ifdef QWERTZ_SUPPORT
- if (qwertz)
- numpad |= 0x10;
-#endif
- ch = ProcessKeystroke(hConIn, ir, &valid, numpad, 0);
-#ifdef QWERTZ_SUPPORT
- numpad &= ~0x10;
-#endif
- done = valid;
- }
- } else {
- if (count > 0) {
- if (ir->EventType == KEY_EVENT
- && ir->Event.KeyEvent.bKeyDown) {
- ch = ProcessKeystroke(hConIn, ir, &valid, numpad, 0);
- if (valid)
- return ch;
- } else if (ir->EventType == MOUSE_EVENT) {
- if ((ir->Event.MouseEvent.dwEventFlags == 0)
- && (ir->Event.MouseEvent.dwButtonState & MOUSEMASK)) {
- cc->x = ir->Event.MouseEvent.dwMousePosition.X + 1;
- cc->y = ir->Event.MouseEvent.dwMousePosition.Y - 1;
-
- if (ir->Event.MouseEvent.dwButtonState & LEFTBUTTON)
- *mod = CLICK_1;
- else if (ir->Event.MouseEvent.dwButtonState
- & RIGHTBUTTON)
- *mod = CLICK_2;
-#if 0 /* middle button */
- else if (ir->Event.MouseEvent.dwButtonState & MIDBUTTON)
- *mod = CLICK_3;
-#endif
- return 0;
- }
- }
- } else
- done = 1;
- }
- }
- return mode ? 0 : ch;
-}
-
-int __declspec(dllexport) __stdcall SourceWhere(buf)
-char **buf;
-{
- if (!buf)
- return 0;
- *buf = where_to_get_source;
- return 1;
-}
-
-int __declspec(dllexport) __stdcall SourceAuthor(buf)
-char **buf;
-{
- if (!buf)
- return 0;
- *buf = author;
- return 1;
-}
-
-int __declspec(dllexport) __stdcall KeyHandlerName(buf, full)
-char **buf;
-int full;
-{
- if (!buf)
- return 0;
- if (full)
- *buf = dllname;
- else
- *buf = shortdllname;
- return 1;
-}
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