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27 |
unneback |
/*
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* Copyright (c) 2000 Greg Haerr <greg@censoft.com>
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*
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* Microwindows /dev/tty console scancode keyboard driver for Linux
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include <errno.h>
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| 13 |
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#include <termios.h>
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| 14 |
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#include <sys/ioctl.h>
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#include <linux/keyboard.h>
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| 16 |
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#include <linux/kd.h>
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| 17 |
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#include <linux/vt.h>
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| 18 |
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#include "device.h"
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| 19 |
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#include "fb.h"
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#define KEYBOARD "/dev/tty" /* console kbd to open*/
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static int TTY_Open(KBDDEVICE *pkd);
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static void TTY_Close(void);
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static void TTY_GetModifierInfo(MWKEYMOD *modifiers, MWKEYMOD *curmodifiers);
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static int TTY_Read(MWKEY *kbuf, MWKEYMOD *modifiers, MWSCANCODE *scancode);
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| 27 |
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| 28 |
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KBDDEVICE kbddev = {
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TTY_Open,
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| 30 |
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TTY_Close,
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TTY_GetModifierInfo,
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TTY_Read,
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NULL
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};
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| 36 |
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#define RELEASED 0
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#define PRESSED 1
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| 39 |
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static int fd; /* file descriptor for keyboard */
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static struct termios old; /* original terminal modes */
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static int old_kbd_mode;
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static unsigned char key_state[MWKEY_LAST]; /* FIXME - make sparse array */
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static MWKEYMOD key_modstate;
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| 45 |
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/* kernel unicode tables per shiftstate and scancode*/
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#define NUM_VGAKEYMAPS (1<<KG_CAPSSHIFT) /* kernel key maps*/
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| 47 |
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static unsigned short os_keymap[NUM_VGAKEYMAPS][NR_KEYS];
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| 48 |
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| 49 |
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/* PC scancode -> Microwindows key value mapping for non-Linux kernel values*/
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static MWKEY keymap[128] = {
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MWKEY_UNKNOWN, MWKEY_ESCAPE, '1', '2', '3', /* 0*/
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'4', '5', '6', '7', '8', /* 5*/
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'9', '0', '-', '=', MWKEY_BACKSPACE, /* 10*/
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MWKEY_TAB, 'q', 'w', 'e', 'r', /* 15*/
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't', 'y', 'u', 'i', 'o', /* 20*/
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'o', '[', ']', MWKEY_ENTER, MWKEY_LCTRL, /* 25*/
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'a', 's', 'd', 'f', 'g', /* 30*/
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'h', 'j', 'k', 'l', ';', /* 35*/
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'\'', '`', MWKEY_LSHIFT, '\\', 'z', /* 40*/
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'x', 'c', 'v', 'b', 'n', /* 45*/
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'm', ',', '.', '/', MWKEY_RSHIFT, /* 50*/
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MWKEY_KP_MULTIPLY, MWKEY_LALT, ' ', MWKEY_CAPSLOCK, MWKEY_F1, /* 55*/
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MWKEY_F2, MWKEY_F3, MWKEY_F4, MWKEY_F5, MWKEY_F6, /* 60*/
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MWKEY_F7, MWKEY_F8, MWKEY_F9, MWKEY_F10, MWKEY_NUMLOCK, /* 65*/
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MWKEY_SCROLLOCK, MWKEY_KP7, MWKEY_KP8, MWKEY_KP9, MWKEY_KP_MINUS, /* 70*/
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MWKEY_KP4, MWKEY_KP5, MWKEY_KP6, MWKEY_KP_PLUS, MWKEY_KP1, /* 75*/
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MWKEY_KP2, MWKEY_KP3, MWKEY_KP0, MWKEY_KP_PERIOD, MWKEY_UNKNOWN, /* 80*/
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MWKEY_UNKNOWN, MWKEY_UNKNOWN, MWKEY_F11, MWKEY_F12, MWKEY_UNKNOWN, /* 85*/
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MWKEY_UNKNOWN,MWKEY_UNKNOWN,MWKEY_UNKNOWN,MWKEY_UNKNOWN,MWKEY_UNKNOWN, /* 90*/
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MWKEY_UNKNOWN, MWKEY_KP_ENTER, MWKEY_RCTRL, MWKEY_KP_DIVIDE,MWKEY_PRINT,/* 95*/
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MWKEY_RALT, MWKEY_BREAK, MWKEY_HOME, MWKEY_UP, MWKEY_PAGEUP, /* 100*/
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MWKEY_LEFT, MWKEY_RIGHT, MWKEY_END, MWKEY_DOWN, MWKEY_PAGEDOWN, /* 105*/
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MWKEY_INSERT, MWKEY_DELETE, MWKEY_UNKNOWN,MWKEY_UNKNOWN,MWKEY_UNKNOWN, /* 110*/
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MWKEY_UNKNOWN,MWKEY_UNKNOWN,MWKEY_UNKNOWN,MWKEY_UNKNOWN,MWKEY_PAUSE, /* 115*/
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MWKEY_UNKNOWN,MWKEY_UNKNOWN,MWKEY_UNKNOWN,MWKEY_UNKNOWN,MWKEY_UNKNOWN, /* 120*/
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MWKEY_LMETA, MWKEY_RMETA, MWKEY_MENU /* 125*/
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};
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| 79 |
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static MWBOOL UpdateKeyState(int pressed, MWKEY mwkey);
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static void UpdateLEDState(MWKEYMOD modstate);
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static MWKEY TranslateScancode(int scancode, MWKEYMOD modstate);
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static void LoadKernelKeymaps(int fd);
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static MWBOOL switch_vt(unsigned short which);
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/*
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* Open the keyboard.
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* This is real simple, we just use a special file handle
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* that allows non-blocking I/O, and put the terminal into
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* character mode.
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*/
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static int
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TTY_Open(KBDDEVICE *pkd)
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{
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char *env;
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int i;
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int ledstate = 0;
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struct termios new;
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/* Open "CONSOLE" or /dev/tty device*/
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if(!(env = getenv("CONSOLE")))
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fd = open(KEYBOARD, O_NONBLOCK);
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else
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fd = open(env, O_NONBLOCK);
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if (fd < 0)
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return -1;
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/* Save previous settings*/
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if (ioctl(fd, KDGKBMODE, &old_kbd_mode) < 0) {
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perror("KDGKMODE");
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goto err;
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}
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if (tcgetattr(fd, &old) < 0)
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goto err;
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/* Set medium-raw keyboard mode */
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new = old;
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/* ISIG and BRKINT must be set otherwise '2' is ^C (scancode 3)!!*/
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new.c_lflag &= ~(ICANON | ECHO | ISIG);
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new.c_iflag &= ~(ISTRIP | IGNCR | ICRNL | INLCR | IXOFF | IXON
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| BRKINT);
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new.c_cc[VMIN] = 0;
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new.c_cc[VTIME] = 0;
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| 125 |
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if (tcsetattr(fd, TCSAFLUSH, &new) < 0) {
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TTY_Close();
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return -1;
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}
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if (ioctl(fd, KDSKBMODE, K_MEDIUMRAW) < 0) {
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TTY_Close();
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return -1;
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}
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/* Load OS keymappings*/
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LoadKernelKeymaps(fd);
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/* Initialize keyboard state*/
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key_modstate = MWKMOD_NONE;
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for (i=0; i<MWKEY_LAST; ++i)
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key_state[i] = RELEASED;
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/* preset CAPSLOCK and NUMLOCK from startup LED state*/
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if (ioctl(fd, KDGETLED, &ledstate) == 0) {
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if (ledstate & LED_CAP) {
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key_modstate |= MWKMOD_CAPS;
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key_state[MWKEY_CAPSLOCK] = PRESSED;
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}
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if (ledstate & LED_NUM) {
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key_modstate |= MWKMOD_NUM;
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key_state[MWKEY_NUMLOCK] = PRESSED;
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}
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}
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UpdateLEDState(key_modstate);
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return fd;
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err:
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close(fd);
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fd = -1;
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return -1;
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}
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/*
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* Close the keyboard.
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* This resets the terminal modes.
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*/
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static void
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TTY_Close(void)
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{
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int ledstate = 0x80000000L;
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if (fd >= 0) {
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/* revert LEDs to follow key modifiers*/
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if (ioctl(fd, KDSETLED, ledstate) < 0)
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perror("KDSETLED");
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| 177 |
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/* reset terminal mode*/
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if (ioctl(fd, KDSKBMODE, old_kbd_mode) < 0)
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perror("KDSKBMODE");
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tcsetattr(fd, TCSAFLUSH, &old);
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| 182 |
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close(fd);
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}
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fd = -1;
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| 185 |
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}
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| 186 |
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| 187 |
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/*
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| 188 |
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* Return the possible modifiers and current modifiers for the keyboard.
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*/
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static void
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| 191 |
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TTY_GetModifierInfo(MWKEYMOD *modifiers, MWKEYMOD *curmodifiers)
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| 192 |
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{
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| 193 |
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if (modifiers)
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| 194 |
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*modifiers = MWKMOD_CTRL | MWKMOD_SHIFT | MWKMOD_ALT |
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| 195 |
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MWKMOD_META | MWKMOD_ALTGR | MWKMOD_CAPS | MWKMOD_NUM;
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| 196 |
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if (curmodifiers)
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| 197 |
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*curmodifiers = key_modstate;
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| 198 |
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}
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| 199 |
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| 200 |
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/*
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| 201 |
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* This reads one keystroke from the keyboard, and the current state of
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| 202 |
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* the modifier keys (ALT, SHIFT, etc). Returns -1 on error, 0 if no data
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* is ready, 1 on a keypress, and 2 on keyrelease.
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* This is a non-blocking call.
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| 205 |
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*/
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| 206 |
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static int
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TTY_Read(MWKEY *kbuf, MWKEYMOD *modifiers, MWSCANCODE *pscancode)
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| 208 |
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{
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| 209 |
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int cc; /* characters read */
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| 210 |
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int pressed;
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| 211 |
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int scancode;
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| 212 |
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MWKEY mwkey;
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| 213 |
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unsigned char buf[128];
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| 214 |
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| 215 |
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cc = read(fd, buf, 1);
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| 216 |
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if (cc > 0) {
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| 217 |
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pressed = (*buf & 0x80) ? RELEASED: PRESSED;
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| 218 |
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scancode = *buf & 0x7f;
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| 219 |
|
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mwkey = keymap[scancode];
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| 220 |
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| 221 |
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/**if(pressed) {
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| 222 |
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printf("scan %02x really: %08x\n", *buf&0x7F, *buf);
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| 223 |
|
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printf("mwkey: %02x (%c)\n", mwkey, mwkey);
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| 224 |
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}**/
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| 225 |
|
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| 226 |
|
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/* Handle Alt-FN for vt switch */
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| 227 |
|
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switch (mwkey) {
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| 228 |
|
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case MWKEY_F1:
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| 229 |
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case MWKEY_F2:
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| 230 |
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case MWKEY_F3:
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| 231 |
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case MWKEY_F4:
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| 232 |
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case MWKEY_F5:
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| 233 |
|
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case MWKEY_F6:
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| 234 |
|
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case MWKEY_F7:
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| 235 |
|
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case MWKEY_F8:
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| 236 |
|
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case MWKEY_F9:
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| 237 |
|
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case MWKEY_F10:
|
| 238 |
|
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case MWKEY_F11:
|
| 239 |
|
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case MWKEY_F12:
|
| 240 |
|
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if (key_modstate & MWKMOD_ALT) {
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| 241 |
|
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if (switch_vt(mwkey-MWKEY_F1+1)) {
|
| 242 |
|
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mwkey = MWKEY_REDRAW;
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| 243 |
|
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}
|
| 244 |
|
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}
|
| 245 |
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break;
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| 246 |
|
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/* Fall through to normal processing */
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| 247 |
|
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default:
|
| 248 |
|
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/* update internal key states*/
|
| 249 |
|
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if (!UpdateKeyState(pressed, mwkey))
|
| 250 |
|
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return 0;
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| 251 |
|
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|
| 252 |
|
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/* mwkey is 0 if only a modifier is hit */
|
| 253 |
|
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if(mwkey != MWKEY_LCTRL &&
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| 254 |
|
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mwkey != MWKEY_RCTRL &&
|
| 255 |
|
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mwkey != MWKEY_LALT &&
|
| 256 |
|
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mwkey != MWKEY_RALT &&
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| 257 |
|
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mwkey != MWKEY_RSHIFT &&
|
| 258 |
|
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mwkey != MWKEY_LSHIFT) {
|
| 259 |
|
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/* translate scancode to key value*/
|
| 260 |
|
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mwkey = TranslateScancode(scancode, key_modstate);
|
| 261 |
|
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} else {
|
| 262 |
|
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//printf("Modifier only\n");
|
| 263 |
|
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//mwkey = 0;
|
| 264 |
|
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}
|
| 265 |
|
|
|
| 266 |
|
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/* XXX Hack to get scancodes to come out the same as
|
| 267 |
|
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everything else */
|
| 268 |
|
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switch(scancode) {
|
| 269 |
|
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case 0x1: /* esc */
|
| 270 |
|
|
|
| 271 |
|
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case 0x29: /* ` */
|
| 272 |
|
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case 0x2 ... 0xe: /* 1 - BackSpace */
|
| 273 |
|
|
|
| 274 |
|
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case 0xf ... 0x1b: /* TAB - ] */
|
| 275 |
|
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case 0x2b: /* \ */
|
| 276 |
|
|
|
| 277 |
|
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case 0x3a: /* Caps-Lock */
|
| 278 |
|
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case 0x1e ... 0x28: /* a - ' */
|
| 279 |
|
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case 0x1c: /* Enter */
|
| 280 |
|
|
|
| 281 |
|
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case 0x2a: /* LShift */
|
| 282 |
|
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case 0x2c ... 0x35: /* z - / */
|
| 283 |
|
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case 0x36: /* RShift */
|
| 284 |
|
|
|
| 285 |
|
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case 0x1d: /* LCtrl */
|
| 286 |
|
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//case 0x7d: /* LWin */
|
| 287 |
|
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case 0x38: /* LAlt */
|
| 288 |
|
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case 0x39: /* Space */
|
| 289 |
|
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//case 0x64: /* RAlt */
|
| 290 |
|
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//case 0x7e: /* RWin */
|
| 291 |
|
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//case 0x7f: /* Win-PopupMenu */
|
| 292 |
|
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//case 0x61: /* RCtrl */
|
| 293 |
|
|
|
| 294 |
|
|
//case 0x63: /* SysReq */
|
| 295 |
|
|
//case 0x46: /* Scroll Lock */
|
| 296 |
|
|
//case 0x77: /* Pause/Break */
|
| 297 |
|
|
scancode += 8;
|
| 298 |
|
|
break;
|
| 299 |
|
|
|
| 300 |
|
|
case 0x6e: /* Insert */
|
| 301 |
|
|
scancode -= 0x4;
|
| 302 |
|
|
break;
|
| 303 |
|
|
case 0x66: /* Home */
|
| 304 |
|
|
case 0x68: /* Page-Up */
|
| 305 |
|
|
scancode -= 0x5;
|
| 306 |
|
|
break;
|
| 307 |
|
|
|
| 308 |
|
|
case 0x6f: /* Delete */
|
| 309 |
|
|
case 0x6b: /* End */
|
| 310 |
|
|
case 0x6d: /* Page-Down */
|
| 311 |
|
|
scancode -= 0x4;
|
| 312 |
|
|
break;
|
| 313 |
|
|
|
| 314 |
|
|
case 0x67: /* Up arrow */
|
| 315 |
|
|
case 0x69: /* Left arrow */
|
| 316 |
|
|
scancode -= 0x5;
|
| 317 |
|
|
break;
|
| 318 |
|
|
|
| 319 |
|
|
case 0x6a: /* Right arrow */
|
| 320 |
|
|
case 0x6c: /* Down arrow */
|
| 321 |
|
|
scancode -= 0x4;
|
| 322 |
|
|
break;
|
| 323 |
|
|
|
| 324 |
|
|
default:
|
| 325 |
|
|
break;
|
| 326 |
|
|
}
|
| 327 |
|
|
break;
|
| 328 |
|
|
}
|
| 329 |
|
|
*kbuf = mwkey;
|
| 330 |
|
|
*modifiers = key_modstate;
|
| 331 |
|
|
*pscancode = scancode;
|
| 332 |
|
|
|
| 333 |
|
|
/**if(pressed) {
|
| 334 |
|
|
printf("Returning: mwkey: 0x%04x, mods: 0x%x,
|
| 335 |
|
|
sc:0x%04x\n\n", *kbuf, *modifiers, *pscancode);
|
| 336 |
|
|
}**/
|
| 337 |
|
|
return pressed ? 1 : 2;
|
| 338 |
|
|
}
|
| 339 |
|
|
|
| 340 |
|
|
if ((cc < 0) && (errno != EINTR) && (errno != EAGAIN))
|
| 341 |
|
|
return -1;
|
| 342 |
|
|
return 0;
|
| 343 |
|
|
}
|
| 344 |
|
|
|
| 345 |
|
|
/* Update the internal keyboard state, return TRUE if changed*/
|
| 346 |
|
|
static MWBOOL
|
| 347 |
|
|
UpdateKeyState(int pressed, MWKEY mwkey)
|
| 348 |
|
|
{
|
| 349 |
|
|
MWKEYMOD modstate = key_modstate;
|
| 350 |
|
|
|
| 351 |
|
|
//printf("UpdateKeyState %02x %02x\n", pressed, mwkey);
|
| 352 |
|
|
if (pressed == PRESSED) {
|
| 353 |
|
|
switch (mwkey) {
|
| 354 |
|
|
case MWKEY_NUMLOCK:
|
| 355 |
|
|
case MWKEY_CAPSLOCK:
|
| 356 |
|
|
/* change state on release because of auto-repeat*/
|
| 357 |
|
|
return FALSE;
|
| 358 |
|
|
case MWKEY_LCTRL:
|
| 359 |
|
|
modstate |= MWKMOD_LCTRL;
|
| 360 |
|
|
break;
|
| 361 |
|
|
case MWKEY_RCTRL:
|
| 362 |
|
|
modstate |= MWKMOD_RCTRL;
|
| 363 |
|
|
break;
|
| 364 |
|
|
case MWKEY_LSHIFT:
|
| 365 |
|
|
modstate |= MWKMOD_LSHIFT;
|
| 366 |
|
|
break;
|
| 367 |
|
|
case MWKEY_RSHIFT:
|
| 368 |
|
|
modstate |= MWKMOD_RSHIFT;
|
| 369 |
|
|
break;
|
| 370 |
|
|
case MWKEY_LALT:
|
| 371 |
|
|
modstate |= MWKMOD_LALT;
|
| 372 |
|
|
break;
|
| 373 |
|
|
case MWKEY_RALT:
|
| 374 |
|
|
modstate |= MWKMOD_RALT;
|
| 375 |
|
|
break;
|
| 376 |
|
|
case MWKEY_LMETA:
|
| 377 |
|
|
modstate |= MWKMOD_LMETA;
|
| 378 |
|
|
break;
|
| 379 |
|
|
case MWKEY_RMETA:
|
| 380 |
|
|
modstate |= MWKMOD_RMETA;
|
| 381 |
|
|
break;
|
| 382 |
|
|
case MWKEY_ALTGR:
|
| 383 |
|
|
modstate |= MWKMOD_ALTGR;
|
| 384 |
|
|
break;
|
| 385 |
|
|
default:
|
| 386 |
|
|
break;
|
| 387 |
|
|
}
|
| 388 |
|
|
} else {
|
| 389 |
|
|
switch (mwkey) {
|
| 390 |
|
|
case MWKEY_NUMLOCK:
|
| 391 |
|
|
key_modstate ^= MWKMOD_NUM;
|
| 392 |
|
|
key_state[MWKEY_NUMLOCK] ^= PRESSED;
|
| 393 |
|
|
UpdateLEDState(key_modstate);
|
| 394 |
|
|
return TRUE;
|
| 395 |
|
|
case MWKEY_CAPSLOCK:
|
| 396 |
|
|
key_modstate ^= MWKMOD_CAPS;
|
| 397 |
|
|
key_state[MWKEY_CAPSLOCK] ^= PRESSED;
|
| 398 |
|
|
UpdateLEDState(key_modstate);
|
| 399 |
|
|
return TRUE;
|
| 400 |
|
|
case MWKEY_LCTRL:
|
| 401 |
|
|
modstate &= ~MWKMOD_LCTRL;
|
| 402 |
|
|
break;
|
| 403 |
|
|
case MWKEY_RCTRL:
|
| 404 |
|
|
modstate &= ~MWKMOD_RCTRL;
|
| 405 |
|
|
break;
|
| 406 |
|
|
case MWKEY_LSHIFT:
|
| 407 |
|
|
modstate &= ~MWKMOD_LSHIFT;
|
| 408 |
|
|
break;
|
| 409 |
|
|
case MWKEY_RSHIFT:
|
| 410 |
|
|
modstate &= ~MWKMOD_RSHIFT;
|
| 411 |
|
|
break;
|
| 412 |
|
|
case MWKEY_LALT:
|
| 413 |
|
|
modstate &= ~MWKMOD_LALT;
|
| 414 |
|
|
break;
|
| 415 |
|
|
case MWKEY_RALT:
|
| 416 |
|
|
modstate &= ~MWKMOD_RALT;
|
| 417 |
|
|
break;
|
| 418 |
|
|
case MWKEY_LMETA:
|
| 419 |
|
|
modstate &= ~MWKMOD_LMETA;
|
| 420 |
|
|
break;
|
| 421 |
|
|
case MWKEY_RMETA:
|
| 422 |
|
|
modstate &= ~MWKMOD_RMETA;
|
| 423 |
|
|
break;
|
| 424 |
|
|
case MWKEY_ALTGR:
|
| 425 |
|
|
modstate &= ~MWKMOD_ALTGR;
|
| 426 |
|
|
break;
|
| 427 |
|
|
default:
|
| 428 |
|
|
break;
|
| 429 |
|
|
}
|
| 430 |
|
|
}
|
| 431 |
|
|
|
| 432 |
|
|
#if 0
|
| 433 |
|
|
/* Drop events that don't change state */
|
| 434 |
|
|
if (key_state[mwkey] == pressed)
|
| 435 |
|
|
return FALSE;
|
| 436 |
|
|
#endif
|
| 437 |
|
|
/* Update internal keyboard state */
|
| 438 |
|
|
key_state[mwkey] = (unsigned char)pressed;
|
| 439 |
|
|
key_modstate = modstate;
|
| 440 |
|
|
return TRUE;
|
| 441 |
|
|
}
|
| 442 |
|
|
|
| 443 |
|
|
static void
|
| 444 |
|
|
UpdateLEDState(MWKEYMOD modstate)
|
| 445 |
|
|
{
|
| 446 |
|
|
int ledstate = 0;
|
| 447 |
|
|
|
| 448 |
|
|
if (modstate & MWKMOD_CAPS)
|
| 449 |
|
|
ledstate |= LED_CAP;
|
| 450 |
|
|
if (modstate & MWKMOD_NUM)
|
| 451 |
|
|
ledstate |= LED_NUM;
|
| 452 |
|
|
ioctl(fd, KDSETLED, ledstate);
|
| 453 |
|
|
}
|
| 454 |
|
|
|
| 455 |
|
|
/* translate a scancode and modifier state to an MWKEY*/
|
| 456 |
|
|
static MWKEY
|
| 457 |
|
|
TranslateScancode(int scancode, MWKEYMOD modstate)
|
| 458 |
|
|
{
|
| 459 |
|
|
unsigned short mwkey = 0;
|
| 460 |
|
|
int map = 0;
|
| 461 |
|
|
|
| 462 |
|
|
//printf("Translate: 0x%04x\n", scancode);
|
| 463 |
|
|
|
| 464 |
|
|
/* determine appropriate kernel table*/
|
| 465 |
|
|
if (modstate & MWKMOD_SHIFT)
|
| 466 |
|
|
map |= (1<<KG_SHIFT);
|
| 467 |
|
|
if (modstate & MWKMOD_CTRL)
|
| 468 |
|
|
map |= (1<<KG_CTRL);
|
| 469 |
|
|
if (modstate & MWKMOD_ALT)
|
| 470 |
|
|
map |= (1<<KG_ALT);
|
| 471 |
|
|
if (modstate & MWKMOD_ALTGR)
|
| 472 |
|
|
map |= (1<<KG_ALTGR);
|
| 473 |
|
|
if (KTYP(os_keymap[map][scancode]) == KT_LETTER) {
|
| 474 |
|
|
if (modstate & MWKMOD_CAPS)
|
| 475 |
|
|
map |= (1<<KG_SHIFT);
|
| 476 |
|
|
}
|
| 477 |
|
|
if (KTYP(os_keymap[map][scancode]) == KT_PAD) {
|
| 478 |
|
|
if (modstate & MWKMOD_NUM) {
|
| 479 |
|
|
switch (keymap[scancode]) {
|
| 480 |
|
|
case MWKEY_KP0:
|
| 481 |
|
|
case MWKEY_KP1:
|
| 482 |
|
|
case MWKEY_KP2:
|
| 483 |
|
|
case MWKEY_KP3:
|
| 484 |
|
|
case MWKEY_KP4:
|
| 485 |
|
|
case MWKEY_KP5:
|
| 486 |
|
|
case MWKEY_KP6:
|
| 487 |
|
|
case MWKEY_KP7:
|
| 488 |
|
|
case MWKEY_KP8:
|
| 489 |
|
|
case MWKEY_KP9:
|
| 490 |
|
|
mwkey = keymap[scancode] - MWKEY_KP0 + '0';
|
| 491 |
|
|
break;
|
| 492 |
|
|
case MWKEY_KP_PERIOD:
|
| 493 |
|
|
mwkey = '.';
|
| 494 |
|
|
break;
|
| 495 |
|
|
case MWKEY_KP_DIVIDE:
|
| 496 |
|
|
mwkey = '/';
|
| 497 |
|
|
break;
|
| 498 |
|
|
case MWKEY_KP_MULTIPLY:
|
| 499 |
|
|
mwkey = '*';
|
| 500 |
|
|
break;
|
| 501 |
|
|
case MWKEY_KP_MINUS:
|
| 502 |
|
|
mwkey = '-';
|
| 503 |
|
|
break;
|
| 504 |
|
|
case MWKEY_KP_PLUS:
|
| 505 |
|
|
mwkey = '+';
|
| 506 |
|
|
break;
|
| 507 |
|
|
case MWKEY_KP_ENTER:
|
| 508 |
|
|
mwkey = MWKEY_ENTER;
|
| 509 |
|
|
break;
|
| 510 |
|
|
case MWKEY_KP_EQUALS:
|
| 511 |
|
|
mwkey = '-';
|
| 512 |
|
|
break;
|
| 513 |
|
|
}
|
| 514 |
|
|
}
|
| 515 |
|
|
} else
|
| 516 |
|
|
mwkey = KVAL(os_keymap[map][scancode]);
|
| 517 |
|
|
|
| 518 |
|
|
if (!mwkey)
|
| 519 |
|
|
mwkey = keymap[scancode];
|
| 520 |
|
|
|
| 521 |
|
|
/* perform additional translations*/
|
| 522 |
|
|
switch (mwkey) {
|
| 523 |
|
|
case 127:
|
| 524 |
|
|
mwkey = MWKEY_BACKSPACE;
|
| 525 |
|
|
break;
|
| 526 |
|
|
case MWKEY_BREAK:
|
| 527 |
|
|
case MWKEY_PAUSE:
|
| 528 |
|
|
mwkey = MWKEY_QUIT;
|
| 529 |
|
|
break;
|
| 530 |
|
|
case 0x1c: /* kernel maps print key to ctrl-\ */
|
| 531 |
|
|
case MWKEY_SYSREQ:
|
| 532 |
|
|
mwkey = MWKEY_PRINT;
|
| 533 |
|
|
break;
|
| 534 |
|
|
}
|
| 535 |
|
|
|
| 536 |
|
|
/* printf("TranslateScancode %02x to mwkey %d\n", scancode, mwkey); */
|
| 537 |
|
|
return mwkey;
|
| 538 |
|
|
}
|
| 539 |
|
|
|
| 540 |
|
|
/* load Linux keyboard mappings, used as first try for scancode conversion*/
|
| 541 |
|
|
static void
|
| 542 |
|
|
LoadKernelKeymaps(int fd)
|
| 543 |
|
|
{
|
| 544 |
|
|
int map, i;
|
| 545 |
|
|
struct kbentry entry;
|
| 546 |
|
|
|
| 547 |
|
|
/* Load all the keysym mappings */
|
| 548 |
|
|
for (map=0; map<NUM_VGAKEYMAPS; ++map) {
|
| 549 |
|
|
memset(os_keymap[map], 0, NR_KEYS*sizeof(unsigned short));
|
| 550 |
|
|
for (i=0; i<NR_KEYS; ++i) {
|
| 551 |
|
|
entry.kb_table = map;
|
| 552 |
|
|
entry.kb_index = i;
|
| 553 |
|
|
if (ioctl(fd, KDGKBENT, &entry) == 0) {
|
| 554 |
|
|
/* change K_ENTER to \r*/
|
| 555 |
|
|
if (entry.kb_value == K_ENTER)
|
| 556 |
|
|
entry.kb_value = K(KT_ASCII,13);
|
| 557 |
|
|
|
| 558 |
|
|
if ((KTYP(entry.kb_value) == KT_LATIN) ||
|
| 559 |
|
|
(KTYP(entry.kb_value) == KT_ASCII) ||
|
| 560 |
|
|
(KTYP(entry.kb_value) == KT_PAD) ||
|
| 561 |
|
|
(KTYP(entry.kb_value) == KT_LETTER)
|
| 562 |
|
|
)
|
| 563 |
|
|
os_keymap[map][i] = entry.kb_value;
|
| 564 |
|
|
}
|
| 565 |
|
|
}
|
| 566 |
|
|
}
|
| 567 |
|
|
|
| 568 |
|
|
}
|
| 569 |
|
|
/* Handle switching to another VC, returns when our VC is back */
|
| 570 |
|
|
static MWBOOL
|
| 571 |
|
|
switch_vt(unsigned short which)
|
| 572 |
|
|
{
|
| 573 |
|
|
struct vt_stat vtstate;
|
| 574 |
|
|
unsigned short current;
|
| 575 |
|
|
static unsigned short r[16], g[16], b[16];
|
| 576 |
|
|
|
| 577 |
|
|
/* Figure out whether or not we're switching to a new console */
|
| 578 |
|
|
if ((ioctl(fd, VT_GETSTATE, &vtstate) < 0) ||
|
| 579 |
|
|
(which == vtstate.v_active)) {
|
| 580 |
|
|
return FALSE;
|
| 581 |
|
|
}
|
| 582 |
|
|
current = vtstate.v_active;
|
| 583 |
|
|
|
| 584 |
|
|
/* save palette, goto text mode*/
|
| 585 |
|
|
ioctl_getpalette(0, 16, r, g, b);
|
| 586 |
|
|
ioctl(fd, KDSETMODE, KD_TEXT);
|
| 587 |
|
|
|
| 588 |
|
|
/* New console, switch to it */
|
| 589 |
|
|
if (ioctl(fd, VT_ACTIVATE, which) == 0) {
|
| 590 |
|
|
/* Wait for our console to be activated again */
|
| 591 |
|
|
ioctl(fd, VT_WAITACTIVE, which);
|
| 592 |
|
|
while (ioctl(fd, VT_WAITACTIVE, current) < 0) {
|
| 593 |
|
|
if ((errno != EINTR) && (errno != EAGAIN)) {
|
| 594 |
|
|
/* Unknown VT error, cancel*/
|
| 595 |
|
|
break;
|
| 596 |
|
|
}
|
| 597 |
|
|
usleep(100000);
|
| 598 |
|
|
}
|
| 599 |
|
|
}
|
| 600 |
|
|
|
| 601 |
|
|
/* Restore graphics mode and the contents of the screen */
|
| 602 |
|
|
ioctl(fd, KDSETMODE, KD_GRAPHICS);
|
| 603 |
|
|
ioctl_setpalette(0, 16, r, g, b);
|
| 604 |
|
|
return TRUE;
|
| 605 |
|
|
}
|
