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mirror of https://gitlab.os-k.eu/os-k-team/kvisc.git synced 2023-08-25 14:05:46 +02:00
kvisc/vm/pc/keybd.c
julianb0 8ba9f2dd69
fix
2019-07-08 17:46:10 +02:00

197 lines
6.6 KiB
C

// The OS/K Team licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
#include <pc/console.h>
#define KEYBUFSIZE 8192
typedef uint keycode_t;
keycode_t keybuf[KEYBUFSIZE] = { 0 };
keycode_t *keybuf_last = &keybuf[0];
keycode_t *keybuf_ptr = &keybuf[0];
void console_addkey(ctx_t *ctx, keycode_t key)
{
*keybuf_ptr++ = key;
if (keybuf_ptr == keybuf + KEYBUFSIZE)
keybuf_ptr = &keybuf[0];
}
keycode_t console_getkey(ctx_t *ctx)
{
keycode_t rc = *keybuf_last++;
if (keybuf_last == keybuf + KEYBUFSIZE)
keybuf_last = &keybuf[0];
return rc;
}
keycode_t console_scankeybuf(ctx_t *ctx)
{
if (keybuf_last != keybuf_ptr)
return console_getkey(ctx);
return 0;
}
#define QKEY(key, c, cshift, cmode, calt, cgui) \
_QKEY(SDLK_##key, c, cshift, cmode, calt, cgui)
#define _QKEY(key, c, cshift, cmode, calt, cgui) \
case key: \
if (__builtin_expect((mod & \
(KMOD_SHIFT|KMOD_ALT|KMOD_MODE|KMOD_GUI)) == 0, 1)) \
code = c; \
else if ((mod & KMOD_SHIFT)) code = cshift; \
else if ((mod & KMOD_LALT)) code = calt; \
else if ((mod & KMOD_RALT)) code = cmode; \
else if ((mod & KMOD_GUI)) code = cgui; \
break;
void console_handle_input(ctx_t *ctx, SDL_Keycode key)
{
keycode_t code = 0;
SDL_Keymod mod = SDL_GetModState();
if (mod & KMOD_CTRL)
{
if (key == SDLK_c)
_except(ctx, E_BRK, "Ctrl+C received");
return;
}
switch (key)
{
case SDLK_SPACE: code = ' '; break;
case SDLK_BACKSPACE: code = '\b'; break;
case SDLK_RETURN:
case SDLK_RETURN2:
code = '\n';
break;
case SDLK_TAB: code = '\t'; break;
// COMMON
QKEY(a, 'a', 'A', 0, 0, 0);
QKEY(b, 'b', 'B', 0, 0, 0);
QKEY(c, 'c', 'C', 0, 0, 0);
QKEY(d, 'd', 'D', 0, 0, 0);
QKEY(e, 'e', 'E', 0, 0, 0);
QKEY(f, 'f', 'F', 0, 0, 0);
QKEY(g, 'g', 'G', 0, 0, 0);
QKEY(h, 'h', 'H', 0, 0, 0);
QKEY(i, 'i', 'I', 0, 0, 0);
QKEY(j, 'j', 'J', 0, 0, 0);
QKEY(k, 'k', 'K', 0, 0, 0);
QKEY(l, 'l', 'L', 0, 0, 0);
QKEY(m, 'm', 'M', 0, 0, 0);
QKEY(n, 'n', 'N', 0, 0, 0);
QKEY(o, 'o', 'O', 0, 0, 0);
QKEY(p, 'p', 'P', 0, 0, 0);
QKEY(q, 'q', 'Q', 0, 0, 0);
QKEY(r, 'r', 'R', 0, 0, 0);
QKEY(s, 's', 'S', 0, 0, 0);
QKEY(t, 't', 'T', 0, 0, 0);
QKEY(u, 'u', 'U', 0, 0, 0);
QKEY(v, 'v', 'V', 0, 0, 0);
QKEY(w, 'w', 'W', 0, 0, 0);
QKEY(x, 'x', 'X', 0, 0, 0);
QKEY(y, 'y', 'Y', 0, 0, 0);
QKEY(z, 'z', 'Z', 0, 0, 0);
// AZERTY
QKEY(EXCLAIM, '!', 0, 0, 0, 0);
QKEY(DOLLAR, '$', 0, 0, 0, 0);
QKEY(ASTERISK, '*', 0, 0, 0, 0);
QKEY(COLON, ':', '/', 0, 0, 0);
QKEY(LESS, '<', '>', 0, 0, 0);
QKEY(CARET, '^', 0, 0, 0, 0);
QKEY(AMPERSAND, '&', '1', 0, 0, 0);
QKEY(QUOTEDBL, '"', '3', '#', 0, 0);
QKEY(LEFTPAREN, '(', '5', '[', 0, 0);
QKEY(UNDERSCORE, '_', '8', '\\', 0, 0);
QKEY(RIGHTPAREN, ')', 0, ']', 0, 0);
// QWERTY
QKEY(BACKSLASH, '\\', '|', 0, 0, 0);
QKEY(PERIOD, '.', '>', 0, 0, 0);
QKEY(SLASH, '/', '?', 0, 0, 0);
QKEY(LEFTBRACKET, '[', '{', 0, 0, 0);
QKEY(RIGHTBRACKET, ']', '}', 0, 0, 0);
QKEY(BACKQUOTE, '`', '~', 0, 0, 0);
// MIXED
#ifdef QWERTY
QKEY(QUOTE, '\'', '"', 0, 0, 0);
QKEY(COMMA, ',', '<', 0, 0, 0);
QKEY(SEMICOLON, ';', ':', 0, 0, 0);
QKEY(EQUALS, '=', '+', 0, 0, 0);
QKEY(MINUS, '-', '_', 0, 0, 0);
QKEY(1, '1', '!', 0, 0, 0);
QKEY(2, '2', '@', 0, 0, 0);
QKEY(3, '3', '#', 0, 0, 0);
QKEY(4, '4', '$', 0, 0, 0);
QKEY(5, '5', '%', 0, 0, 0);
QKEY(6, '6', '^', 0, 0, 0);
QKEY(7, '7', '&', 0, 0, 0);
QKEY(8, '8', '*', 0, 0, 0);
QKEY(9, '9', '(', 0, 0, 0);
QKEY(0, '0', ')', 0, 0, 0);
#else
QKEY(QUOTE, '\'', '4', '{', 0, 0);
QKEY(COMMA, ',', '?', 0, 0, 0);
QKEY(SEMICOLON, ';', '.', 0, 0, 0);
QKEY(EQUALS, '=', '+', '}', 0, 0);
QKEY(MINUS, '-', '6', '|', 0, 0);
QKEY(1, '&', '1', 0, 0, 0);
QKEY(2, 0, '2', '~', 0, 0);
QKEY(3, '"', '3', '#', 0, 0);
QKEY(4, '\'','4', '{', 0, 0);
QKEY(5, '(', '5', '[', 0, 0);
QKEY(6, '-', '6', '|', 0, 0);
QKEY(7, 0, '7', '`', 0, 0);
QKEY(8, '_', '8', '\\', 0, 0);
QKEY(9, 0, '9', '^', 0, 0);
QKEY(0, 0, '0', '@', 0, 0);
#endif
// Other
QKEY(HASH, '#', 0, 0, 0, 0);
QKEY(PERCENT, '%', 0, 0, 0, 0);
QKEY(PLUS, '+', 0, 0, 0, 0);
QKEY(GREATER, '>', 0, 0, 0, 0);
QKEY(QUESTION, '?', 0, 0, 0, 0);
QKEY(AT, '@', 0, 0, 0, 0);
// Found experimentally
_QKEY(231, 0, '0', '@', 0, 0);
_QKEY(232, 0, '7', '`', 0, 0);
_QKEY(233, 0, '2', '~', 0, 0);
_QKEY(249, 0, '%', 0, 0, 0);
default:
return;
}
if (code != 0)
console_addkey(ctx, code);
}