783 lines
		
	
	
		
			27 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			783 lines
		
	
	
		
			27 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * Copyright © 1999 Keith Packard
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|  * XKB integration © 2006 Nokia Corporation, author: Tomas Frydrych <tf@o-hand.com>
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|  *
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|  * LinuxKeyboardRead() XKB code based on xf86KbdLnx.c:
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|  * Copyright © 1990,91 by Thomas Roell, Dinkelscherben, Germany.
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|  * Copyright © 1994-2001 by The XFree86 Project, Inc.
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|  *
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|  * Permission is hereby granted, free of charge, to any person obtaining a
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|  * copy of this software and associated documentation files (the "Software"),
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|  * to deal in the Software without restriction, including without limitation
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|  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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|  * and/or sell copies of the Software, and to permit persons to whom the
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|  * Software is furnished to do so, subject to the following conditions:
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|  *
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|  * The above copyright notice and this permission notice shall be included in
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|  * all copies or substantial portions of the Software.
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|  *
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|  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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|  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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|  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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|  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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|  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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|  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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|  * OTHER DEALINGS IN THE SOFTWARE.
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|  *
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|  * Except as contained in this notice, the name of the copyright holder(s)
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|  * and author(s) shall not be used in advertising or otherwise to promote
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|  * the sale, use or other dealings in this Software without prior written
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|  * authorization from the copyright holder(s) and author(s).
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|  */
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| 
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| #ifdef HAVE_CONFIG_H
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| #include <kdrive-config.h>
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| #endif
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| #include "kdrive.h"
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| #include <linux/keyboard.h>
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| #include <linux/kd.h>
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| #define XK_PUBLISHING
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| #include <X11/keysym.h>
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| #include <termios.h>
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| #include <sys/ioctl.h>
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| 
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| extern int LinuxConsoleFd;
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| 
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| static const KeySym linux_to_x[256] = {
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|     NoSymbol, NoSymbol, NoSymbol, NoSymbol,
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|     NoSymbol, NoSymbol, NoSymbol, NoSymbol,
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|     XK_BackSpace, XK_Tab, XK_Linefeed, NoSymbol,
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|     NoSymbol, NoSymbol, NoSymbol, NoSymbol,
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|     NoSymbol, NoSymbol, NoSymbol, NoSymbol,
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|     NoSymbol, NoSymbol, NoSymbol, NoSymbol,
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|     NoSymbol, NoSymbol, NoSymbol, XK_Escape,
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|     NoSymbol, NoSymbol, NoSymbol, NoSymbol,
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|     XK_space, XK_exclam, XK_quotedbl, XK_numbersign,
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|     XK_dollar, XK_percent, XK_ampersand, XK_apostrophe,
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|     XK_parenleft, XK_parenright, XK_asterisk, XK_plus,
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|     XK_comma, XK_minus, XK_period, XK_slash,
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|     XK_0, XK_1, XK_2, XK_3,
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|     XK_4, XK_5, XK_6, XK_7,
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|     XK_8, XK_9, XK_colon, XK_semicolon,
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|     XK_less, XK_equal, XK_greater, XK_question,
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|     XK_at, XK_A, XK_B, XK_C,
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|     XK_D, XK_E, XK_F, XK_G,
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|     XK_H, XK_I, XK_J, XK_K,
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|     XK_L, XK_M, XK_N, XK_O,
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|     XK_P, XK_Q, XK_R, XK_S,
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|     XK_T, XK_U, XK_V, XK_W,
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|     XK_X, XK_Y, XK_Z, XK_bracketleft,
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|     XK_backslash, XK_bracketright, XK_asciicircum, XK_underscore,
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|     XK_grave, XK_a, XK_b, XK_c,
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|     XK_d, XK_e, XK_f, XK_g,
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|     XK_h, XK_i, XK_j, XK_k,
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|     XK_l, XK_m, XK_n, XK_o,
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|     XK_p, XK_q, XK_r, XK_s,
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|     XK_t, XK_u, XK_v, XK_w,
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|     XK_x, XK_y, XK_z, XK_braceleft,
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|     XK_bar, XK_braceright, XK_asciitilde, XK_BackSpace,
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|     NoSymbol, NoSymbol, NoSymbol, NoSymbol,
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|     NoSymbol, NoSymbol, NoSymbol, NoSymbol,
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|     NoSymbol, NoSymbol, NoSymbol, NoSymbol,
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|     NoSymbol, NoSymbol, NoSymbol, NoSymbol,
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|     NoSymbol, NoSymbol, NoSymbol, NoSymbol,
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|     NoSymbol, NoSymbol, NoSymbol, NoSymbol,
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|     NoSymbol, NoSymbol, NoSymbol, NoSymbol,
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|     NoSymbol, NoSymbol, NoSymbol, NoSymbol,
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|     XK_nobreakspace, XK_exclamdown, XK_cent, XK_sterling,
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|     XK_currency, XK_yen, XK_brokenbar, XK_section,
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|     XK_diaeresis, XK_copyright, XK_ordfeminine, XK_guillemotleft,
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|     XK_notsign, XK_hyphen, XK_registered, XK_macron,
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|     XK_degree, XK_plusminus, XK_twosuperior, XK_threesuperior,
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|     XK_acute, XK_mu, XK_paragraph, XK_periodcentered,
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|     XK_cedilla, XK_onesuperior, XK_masculine, XK_guillemotright,
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|     XK_onequarter, XK_onehalf, XK_threequarters, XK_questiondown,
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|     XK_Agrave, XK_Aacute, XK_Acircumflex, XK_Atilde,
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|     XK_Adiaeresis, XK_Aring, XK_AE, XK_Ccedilla,
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|     XK_Egrave, XK_Eacute, XK_Ecircumflex, XK_Ediaeresis,
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|     XK_Igrave, XK_Iacute, XK_Icircumflex, XK_Idiaeresis,
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|     XK_ETH, XK_Ntilde, XK_Ograve, XK_Oacute,
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|     XK_Ocircumflex, XK_Otilde, XK_Odiaeresis, XK_multiply,
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|     XK_Ooblique, XK_Ugrave, XK_Uacute, XK_Ucircumflex,
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|     XK_Udiaeresis, XK_Yacute, XK_THORN, XK_ssharp,
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|     XK_agrave, XK_aacute, XK_acircumflex, XK_atilde,
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|     XK_adiaeresis, XK_aring, XK_ae, XK_ccedilla,
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|     XK_egrave, XK_eacute, XK_ecircumflex, XK_ediaeresis,
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|     XK_igrave, XK_iacute, XK_icircumflex, XK_idiaeresis,
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|     XK_eth, XK_ntilde, XK_ograve, XK_oacute,
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|     XK_ocircumflex, XK_otilde, XK_odiaeresis, XK_division,
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|     XK_oslash, XK_ugrave, XK_uacute, XK_ucircumflex,
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|     XK_udiaeresis, XK_yacute, XK_thorn, XK_ydiaeresis
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| };
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| 
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| /*
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|  * Getting a keycode from scancode
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|  *
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|  * With XKB
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|  * --------
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|  *
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|  * We have to enqueue keyboard events using standard X keycodes which correspond
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|  * to AT scancode + 8; this means that we need to translate the Linux scancode
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|  * provided by the kernel to an AT scancode -- this translation is not linear
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|  * and requires that we use a LUT.
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|  *
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|  *
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|  * Without XKB
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|  * -----------
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|  *
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|  * We can use custom keycodes, which makes things simpler; we define our custom
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|  * keycodes as Linux scancodes + KD_KEY_OFFSET
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| */
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| 
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| /*
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|    This LUT translates AT scancodes into Linux ones -- the keymap we create
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|    for the core X keyboard protocol has to be AT-scancode based so that it
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|    corresponds to the Xkb keymap.
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| */
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| #if 0
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| static unsigned char at2lnx[] = {
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|     0x0,                        /* no valid scancode */
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|     0x01, /* KEY_Escape */ 0x02,        /* KEY_1 */
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|     0x03, /* KEY_2 */ 0x04,     /* KEY_3 */
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|     0x05, /* KEY_4 */ 0x06,     /* KEY_5 */
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|     0x07, /* KEY_6 */ 0x08,     /* KEY_7 */
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|     0x09, /* KEY_8 */ 0x0a,     /* KEY_9 */
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|     0x0b, /* KEY_0 */ 0x0c,     /* KEY_Minus */
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|     0x0d, /* KEY_Equal */ 0x0e, /* KEY_BackSpace */
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|     0x0f, /* KEY_Tab */ 0x10,   /* KEY_Q */
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|     0x11, /* KEY_W */ 0x12,     /* KEY_E */
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|     0x13, /* KEY_R */ 0x14,     /* KEY_T */
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|     0x15, /* KEY_Y */ 0x16,     /* KEY_U */
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|     0x17, /* KEY_I */ 0x18,     /* KEY_O */
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|     0x19, /* KEY_P */ 0x1a,     /* KEY_LBrace */
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|     0x1b, /* KEY_RBrace */ 0x1c,        /* KEY_Enter */
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|     0x1d, /* KEY_LCtrl */ 0x1e, /* KEY_A */
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|     0x1f, /* KEY_S */ 0x20,     /* KEY_D */
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|     0x21, /* KEY_F */ 0x22,     /* KEY_G */
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|     0x23, /* KEY_H */ 0x24,     /* KEY_J */
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|     0x25, /* KEY_K */ 0x26,     /* KEY_L */
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|     0x27, /* KEY_SemiColon */ 0x28,     /* KEY_Quote */
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|     0x29, /* KEY_Tilde */ 0x2a, /* KEY_ShiftL */
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|     0x2b, /* KEY_BSlash */ 0x2c,        /* KEY_Z */
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|     0x2d, /* KEY_X */ 0x2e,     /* KEY_C */
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|     0x2f, /* KEY_V */ 0x30,     /* KEY_B */
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|     0x31, /* KEY_N */ 0x32,     /* KEY_M */
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|     0x33, /* KEY_Comma */ 0x34, /* KEY_Period */
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|     0x35, /* KEY_Slash */ 0x36, /* KEY_ShiftR */
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|     0x37, /* KEY_KP_Multiply */ 0x38,   /* KEY_Alt */
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|     0x39, /* KEY_Space */ 0x3a, /* KEY_CapsLock */
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|     0x3b, /* KEY_F1 */ 0x3c,    /* KEY_F2 */
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|     0x3d, /* KEY_F3 */ 0x3e,    /* KEY_F4 */
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|     0x3f, /* KEY_F5 */ 0x40,    /* KEY_F6 */
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|     0x41, /* KEY_F7 */ 0x42,    /* KEY_F8 */
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|     0x43, /* KEY_F9 */ 0x44,    /* KEY_F10 */
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|     0x45, /* KEY_NumLock */ 0x46,       /* KEY_ScrollLock */
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|     0x47, /* KEY_KP_7 */ 0x48,  /* KEY_KP_8 */
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|     0x49, /* KEY_KP_9 */ 0x4a,  /* KEY_KP_Minus */
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|     0x4b, /* KEY_KP_4 */ 0x4c,  /* KEY_KP_5 */
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|     0x4d, /* KEY_KP_6 */ 0x4e,  /* KEY_KP_Plus */
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|     0x4f, /* KEY_KP_1 */ 0x50,  /* KEY_KP_2 */
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|     0x51, /* KEY_KP_3 */ 0x52,  /* KEY_KP_0 */
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|     0x53, /* KEY_KP_Decimal */ 0x54,    /* KEY_SysReqest */
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|     0x00, /* 0x55 */ 0x56,      /* KEY_Less */
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|     0x57, /* KEY_F11 */ 0x58,   /* KEY_F12 */
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|     0x66, /* KEY_Home */ 0x67,  /* KEY_Up */
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|     0x68, /* KEY_PgUp */ 0x69,  /* KEY_Left */
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|     0x5d, /* KEY_Begin */ 0x6a, /* KEY_Right */
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|     0x6b, /* KEY_End */ 0x6c,   /* KEY_Down */
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|     0x6d, /* KEY_PgDown */ 0x6e,        /* KEY_Insert */
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|     0x6f, /* KEY_Delete */ 0x60,        /* KEY_KP_Enter */
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|     0x61, /* KEY_RCtrl */ 0x77, /* KEY_Pause */
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|     0x63, /* KEY_Print */ 0x62, /* KEY_KP_Divide */
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|     0x64, /* KEY_AltLang */ 0x65,       /* KEY_Break */
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|     0x00, /* KEY_LMeta */ 0x00, /* KEY_RMeta */
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|     0x7A, /* KEY_Menu/FOCUS_PF11 */ 0x00,       /* 0x6e */
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|     0x7B, /* FOCUS_PF12 */ 0x00,        /* 0x70 */
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|     0x00, /* 0x71 */ 0x00,      /* 0x72 */
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|     0x59, /* FOCUS_PF2 */ 0x78, /* FOCUS_PF9 */
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|     0x00, /* 0x75 */ 0x00,      /* 0x76 */
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|     0x5A, /* FOCUS_PF3 */ 0x5B, /* FOCUS_PF4 */
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|     0x5C, /* FOCUS_PF5 */ 0x5D, /* FOCUS_PF6 */
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|     0x5E, /* FOCUS_PF7 */ 0x5F, /* FOCUS_PF8 */
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|     0x7C, /* JAP_86 */ 0x79,    /* FOCUS_PF10 */
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|     0x00,                       /* 0x7f */
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| };
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| 
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| #define NUM_AT_KEYS (sizeof(at2lnx)/sizeof(at2lnx[0]))
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| #define LNX_KEY_INDEX(n) n < NUM_AT_KEYS ? at2lnx[n] : 0
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| 
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| static unsigned char tbl[KD_MAX_WIDTH] = {
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|     0,
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|     1 << KG_SHIFT,
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|     (1 << KG_ALTGR),
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|     (1 << KG_ALTGR) | (1 << KG_SHIFT)
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| };
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| #endif
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| 
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| static void
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| readKernelMapping(KdKeyboardInfo * ki)
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| {
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| #if 0
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|     KeySym *k;
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|     int i, j;
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|     struct kbentry kbe;
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|     int minKeyCode, maxKeyCode;
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|     int row;
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|     int fd;
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| 
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|     if (!ki)
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|         return;
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| 
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|     fd = LinuxConsoleFd;
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| 
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|     minKeyCode = NR_KEYS;
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|     maxKeyCode = 0;
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|     row = 0;
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|     ki->keySyms.mapWidth = KD_MAX_WIDTH;
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|     for (i = 0; i < NR_KEYS && row < KD_MAX_LENGTH; ++i) {
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|         kbe.kb_index = LNX_KEY_INDEX(i);
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| 
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|         k = ki->keySyms.map + row * ki->keySyms.mapWidth;
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| 
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|         for (j = 0; j < ki->keySyms.mapWidth; ++j) {
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|             unsigned short kval;
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| 
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|             k[j] = NoSymbol;
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| 
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|             kbe.kb_table = tbl[j];
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|             kbe.kb_value = 0;
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|             if (ioctl(fd, KDGKBENT, &kbe))
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|                 continue;
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| 
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|             kval = KVAL(kbe.kb_value);
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|             switch (KTYP(kbe.kb_value)) {
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|             case KT_LATIN:
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|             case KT_LETTER:
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|                 k[j] = linux_to_x[kval];
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|                 break;
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| 
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|             case KT_FN:
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|                 if (kval <= 19)
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|                     k[j] = XK_F1 + kval;
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|                 else
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|                     switch (kbe.kb_value) {
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|                     case K_FIND:
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|                         k[j] = XK_Home; /* or XK_Find */
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|                         break;
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|                     case K_INSERT:
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|                         k[j] = XK_Insert;
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|                         break;
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|                     case K_REMOVE:
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|                         k[j] = XK_Delete;
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|                         break;
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|                     case K_SELECT:
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|                         k[j] = XK_End;  /* or XK_Select */
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|                         break;
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|                     case K_PGUP:
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|                         k[j] = XK_Prior;
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|                         break;
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|                     case K_PGDN:
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|                         k[j] = XK_Next;
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|                         break;
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|                     case K_HELP:
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|                         k[j] = XK_Help;
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|                         break;
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|                     case K_DO:
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|                         k[j] = XK_Execute;
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|                         break;
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|                     case K_PAUSE:
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|                         k[j] = XK_Pause;
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|                         break;
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|                     case K_MACRO:
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|                         k[j] = XK_Menu;
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|                         break;
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|                     default:
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|                         break;
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|                     }
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|                 break;
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| 
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|             case KT_SPEC:
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|                 switch (kbe.kb_value) {
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|                 case K_ENTER:
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|                     k[j] = XK_Return;
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|                     break;
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|                 case K_BREAK:
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|                     k[j] = XK_Break;
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|                     break;
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|                 case K_CAPS:
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|                     k[j] = XK_Caps_Lock;
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|                     break;
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|                 case K_NUM:
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|                     k[j] = XK_Num_Lock;
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|                     break;
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|                 case K_HOLD:
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|                     k[j] = XK_Scroll_Lock;
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|                     break;
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|                 case K_COMPOSE:
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|                     k[j] = XK_Multi_key;
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|                     break;
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|                 default:
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|                     break;
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|                 }
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|                 break;
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| 
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|             case KT_PAD:
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|                 switch (kbe.kb_value) {
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|                 case K_PPLUS:
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|                     k[j] = XK_KP_Add;
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|                     break;
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|                 case K_PMINUS:
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|                     k[j] = XK_KP_Subtract;
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|                     break;
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|                 case K_PSTAR:
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|                     k[j] = XK_KP_Multiply;
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|                     break;
 | |
|                 case K_PSLASH:
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|                     k[j] = XK_KP_Divide;
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|                     break;
 | |
|                 case K_PENTER:
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|                     k[j] = XK_KP_Enter;
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|                     break;
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|                 case K_PCOMMA:
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|                     k[j] = XK_KP_Separator;
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|                     break;
 | |
|                 case K_PDOT:
 | |
|                     k[j] = XK_KP_Decimal;
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|                     break;
 | |
|                 case K_PPLUSMINUS:
 | |
|                     k[j] = XK_KP_Subtract;
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|                     break;
 | |
|                 default:
 | |
|                     if (kval <= 9)
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|                         k[j] = XK_KP_0 + kval;
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|                     break;
 | |
|                 }
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|                 break;
 | |
| 
 | |
|                 /*
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|                  * KT_DEAD keys are for accelerated diacritical creation.
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|                  */
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|             case KT_DEAD:
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|                 switch (kbe.kb_value) {
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|                 case K_DGRAVE:
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|                     k[j] = XK_dead_grave;
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|                     break;
 | |
|                 case K_DACUTE:
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|                     k[j] = XK_dead_acute;
 | |
|                     break;
 | |
|                 case K_DCIRCM:
 | |
|                     k[j] = XK_dead_circumflex;
 | |
|                     break;
 | |
|                 case K_DTILDE:
 | |
|                     k[j] = XK_dead_tilde;
 | |
|                     break;
 | |
|                 case K_DDIERE:
 | |
|                     k[j] = XK_dead_diaeresis;
 | |
|                     break;
 | |
|                 }
 | |
|                 break;
 | |
| 
 | |
|             case KT_CUR:
 | |
|                 switch (kbe.kb_value) {
 | |
|                 case K_DOWN:
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|                     k[j] = XK_Down;
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|                     break;
 | |
|                 case K_LEFT:
 | |
|                     k[j] = XK_Left;
 | |
|                     break;
 | |
|                 case K_RIGHT:
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|                     k[j] = XK_Right;
 | |
|                     break;
 | |
|                 case K_UP:
 | |
|                     k[j] = XK_Up;
 | |
|                     break;
 | |
|                 }
 | |
|                 break;
 | |
| 
 | |
|             case KT_SHIFT:
 | |
|                 switch (kbe.kb_value) {
 | |
|                 case K_ALTGR:
 | |
|                     k[j] = XK_Mode_switch;
 | |
|                     break;
 | |
|                 case K_ALT:
 | |
|                     k[j] = (kbe.kb_index == 0x64 ? XK_Alt_R : XK_Alt_L);
 | |
|                     break;
 | |
|                 case K_CTRL:
 | |
|                     k[j] = (kbe.kb_index == 0x61 ? XK_Control_R : XK_Control_L);
 | |
|                     break;
 | |
|                 case K_CTRLL:
 | |
|                     k[j] = XK_Control_L;
 | |
|                     break;
 | |
|                 case K_CTRLR:
 | |
|                     k[j] = XK_Control_R;
 | |
|                     break;
 | |
|                 case K_SHIFT:
 | |
|                     k[j] = (kbe.kb_index == 0x36 ? XK_Shift_R : XK_Shift_L);
 | |
|                     break;
 | |
|                 case K_SHIFTL:
 | |
|                     k[j] = XK_Shift_L;
 | |
|                     break;
 | |
|                 case K_SHIFTR:
 | |
|                     k[j] = XK_Shift_R;
 | |
|                     break;
 | |
|                 default:
 | |
|                     break;
 | |
|                 }
 | |
|                 break;
 | |
| 
 | |
|                 /*
 | |
|                  * KT_ASCII keys accumulate a 3 digit decimal number that gets
 | |
|                  * emitted when the shift state changes. We can't emulate that.
 | |
|                  */
 | |
|             case KT_ASCII:
 | |
|                 break;
 | |
| 
 | |
|             case KT_LOCK:
 | |
|                 if (kbe.kb_value == K_SHIFTLOCK)
 | |
|                     k[j] = XK_Shift_Lock;
 | |
|                 break;
 | |
| 
 | |
| #ifdef KT_X
 | |
|             case KT_X:
 | |
|                 /* depends on new keyboard symbols in file linux/keyboard.h */
 | |
|                 if (kbe.kb_value == K_XMENU)
 | |
|                     k[j] = XK_Menu;
 | |
|                 if (kbe.kb_value == K_XTELEPHONE)
 | |
|                     k[j] = XK_telephone;
 | |
|                 break;
 | |
| #endif
 | |
| #ifdef KT_XF
 | |
|             case KT_XF:
 | |
|                 /* special linux keysyms which map directly to XF86 keysyms */
 | |
|                 k[j] = (kbe.kb_value & 0xFF) + 0x1008FF00;
 | |
|                 break;
 | |
| #endif
 | |
| 
 | |
|             default:
 | |
|                 break;
 | |
|             }
 | |
|             if (i < minKeyCode)
 | |
|                 minKeyCode = i;
 | |
|             if (i > maxKeyCode)
 | |
|                 maxKeyCode = i;
 | |
|         }
 | |
| 
 | |
|         if (minKeyCode == NR_KEYS)
 | |
|             continue;
 | |
| 
 | |
|         if (k[3] == k[2])
 | |
|             k[3] = NoSymbol;
 | |
|         if (k[2] == k[1])
 | |
|             k[2] = NoSymbol;
 | |
|         if (k[1] == k[0])
 | |
|             k[1] = NoSymbol;
 | |
|         if (k[0] == k[2] && k[1] == k[3])
 | |
|             k[2] = k[3] = NoSymbol;
 | |
|         if (k[3] == k[0] && k[2] == k[1] && k[2] == NoSymbol)
 | |
|             k[3] = NoSymbol;
 | |
|         row++;
 | |
|     }
 | |
|     ki->minScanCode = minKeyCode;
 | |
|     ki->maxScanCode = maxKeyCode;
 | |
| #endif
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * We need these to handle extended scancodes correctly (I could just use the
 | |
|  * numbers below, but this makes the code more readable
 | |
|  */
 | |
| 
 | |
| /* The prefix codes */
 | |
| #define KEY_Prefix0      /* special               0x60  */   96
 | |
| #define KEY_Prefix1      /* special               0x61  */   97
 | |
| 
 | |
| /* The raw scancodes */
 | |
| #define KEY_Enter        /* Enter                 0x1c  */   28
 | |
| #define KEY_LCtrl        /* Ctrl(left)            0x1d  */   29
 | |
| #define KEY_Slash        /* / (Slash)   ?         0x35  */   53
 | |
| #define KEY_KP_Multiply  /* *                     0x37  */   55
 | |
| #define KEY_Alt          /* Alt(left)             0x38  */   56
 | |
| #define KEY_F3           /* F3                    0x3d  */   61
 | |
| #define KEY_F4           /* F4                    0x3e  */   62
 | |
| #define KEY_F5           /* F5                    0x3f  */   63
 | |
| #define KEY_F6           /* F6                    0x40  */   64
 | |
| #define KEY_F7           /* F7                    0x41  */   65
 | |
| #define KEY_ScrollLock   /* ScrollLock            0x46  */   70
 | |
| #define KEY_KP_7         /* 7           Home      0x47  */   71
 | |
| #define KEY_KP_8         /* 8           Up        0x48  */   72
 | |
| #define KEY_KP_9         /* 9           PgUp      0x49  */   73
 | |
| #define KEY_KP_Minus     /* - (Minus)             0x4a  */   74
 | |
| #define KEY_KP_4         /* 4           Left      0x4b  */   75
 | |
| #define KEY_KP_5         /* 5                     0x4c  */   76
 | |
| #define KEY_KP_6         /* 6           Right     0x4d  */   77
 | |
| #define KEY_KP_Plus      /* + (Plus)              0x4e  */   78
 | |
| #define KEY_KP_1         /* 1           End       0x4f  */   79
 | |
| #define KEY_KP_2         /* 2           Down      0x50  */   80
 | |
| #define KEY_KP_3         /* 3           PgDown    0x51  */   81
 | |
| #define KEY_KP_0         /* 0           Insert    0x52  */   82
 | |
| #define KEY_KP_Decimal   /* . (Decimal) Delete    0x53  */   83
 | |
| #define KEY_Home         /* Home                  0x59  */   89
 | |
| #define KEY_Up           /* Up                    0x5a  */   90
 | |
| #define KEY_PgUp         /* PgUp                  0x5b  */   91
 | |
| #define KEY_Left         /* Left                  0x5c  */   92
 | |
| #define KEY_Begin        /* Begin                 0x5d  */   93
 | |
| #define KEY_Right        /* Right                 0x5e  */   94
 | |
| #define KEY_End          /* End                   0x5f  */   95
 | |
| #define KEY_Down         /* Down                  0x60  */   96
 | |
| #define KEY_PgDown       /* PgDown                0x61  */   97
 | |
| #define KEY_Insert       /* Insert                0x62  */   98
 | |
| #define KEY_Delete       /* Delete                0x63  */   99
 | |
| #define KEY_KP_Enter     /* Enter                 0x64  */  100
 | |
| #define KEY_RCtrl        /* Ctrl(right)           0x65  */  101
 | |
| #define KEY_Pause        /* Pause                 0x66  */  102
 | |
| #define KEY_Print        /* Print                 0x67  */  103
 | |
| #define KEY_KP_Divide    /* Divide                0x68  */  104
 | |
| #define KEY_AltLang      /* AtlLang(right)        0x69  */  105
 | |
| #define KEY_Break        /* Break                 0x6a  */  106
 | |
| #define KEY_LMeta        /* Left Meta             0x6b  */  107
 | |
| #define KEY_RMeta        /* Right Meta            0x6c  */  108
 | |
| #define KEY_Menu         /* Menu                  0x6d  */  109
 | |
| #define KEY_F13          /* F13                   0x6e  */  110
 | |
| #define KEY_F14          /* F14                   0x6f  */  111
 | |
| #define KEY_F15          /* F15                   0x70  */  112
 | |
| #define KEY_F16          /* F16                   0x71  */  113
 | |
| #define KEY_F17          /* F17                   0x72  */  114
 | |
| #define KEY_KP_DEC       /* KP_DEC                0x73  */  115
 | |
| 
 | |
| static void
 | |
| LinuxKeyboardRead(int fd, void *closure)
 | |
| {
 | |
|     unsigned char buf[256], *b;
 | |
|     int n;
 | |
|     unsigned char prefix = 0, scancode = 0;
 | |
| 
 | |
|     while ((n = read(fd, buf, sizeof(buf))) > 0) {
 | |
|         b = buf;
 | |
|         while (n--) {
 | |
|             /*
 | |
|              * With xkb we use RAW mode for reading the console, which allows us
 | |
|              * process extended scancodes.
 | |
|              *
 | |
|              * See if this is a prefix extending the following keycode
 | |
|              */
 | |
|             if (!prefix && ((b[0] & 0x7f) == KEY_Prefix0)) {
 | |
|                 prefix = KEY_Prefix0;
 | |
|                 /* swallow this up */
 | |
|                 b++;
 | |
|                 continue;
 | |
|             }
 | |
|             else if (!prefix && ((b[0] & 0x7f) == KEY_Prefix1)) {
 | |
|                 prefix = KEY_Prefix1;
 | |
|                 /* swallow this up */
 | |
|                 b++;
 | |
|                 continue;
 | |
|             }
 | |
|             scancode = b[0] & 0x7f;
 | |
| 
 | |
|             switch (prefix) {
 | |
|                 /* from xf86Events.c */
 | |
|             case KEY_Prefix0:
 | |
|             {
 | |
|                 switch (scancode) {
 | |
|                 case KEY_KP_7:
 | |
|                     scancode = KEY_Home;
 | |
|                     break;      /* curs home */
 | |
|                 case KEY_KP_8:
 | |
|                     scancode = KEY_Up;
 | |
|                     break;      /* curs up */
 | |
|                 case KEY_KP_9:
 | |
|                     scancode = KEY_PgUp;
 | |
|                     break;      /* curs pgup */
 | |
|                 case KEY_KP_4:
 | |
|                     scancode = KEY_Left;
 | |
|                     break;      /* curs left */
 | |
|                 case KEY_KP_5:
 | |
|                     scancode = KEY_Begin;
 | |
|                     break;      /* curs begin */
 | |
|                 case KEY_KP_6:
 | |
|                     scancode = KEY_Right;
 | |
|                     break;      /* curs right */
 | |
|                 case KEY_KP_1:
 | |
|                     scancode = KEY_End;
 | |
|                     break;      /* curs end */
 | |
|                 case KEY_KP_2:
 | |
|                     scancode = KEY_Down;
 | |
|                     break;      /* curs down */
 | |
|                 case KEY_KP_3:
 | |
|                     scancode = KEY_PgDown;
 | |
|                     break;      /* curs pgdown */
 | |
|                 case KEY_KP_0:
 | |
|                     scancode = KEY_Insert;
 | |
|                     break;      /* curs insert */
 | |
|                 case KEY_KP_Decimal:
 | |
|                     scancode = KEY_Delete;
 | |
|                     break;      /* curs delete */
 | |
|                 case KEY_Enter:
 | |
|                     scancode = KEY_KP_Enter;
 | |
|                     break;      /* keypad enter */
 | |
|                 case KEY_LCtrl:
 | |
|                     scancode = KEY_RCtrl;
 | |
|                     break;      /* right ctrl */
 | |
|                 case KEY_KP_Multiply:
 | |
|                     scancode = KEY_Print;
 | |
|                     break;      /* print */
 | |
|                 case KEY_Slash:
 | |
|                     scancode = KEY_KP_Divide;
 | |
|                     break;      /* keyp divide */
 | |
|                 case KEY_Alt:
 | |
|                     scancode = KEY_AltLang;
 | |
|                     break;      /* right alt */
 | |
|                 case KEY_ScrollLock:
 | |
|                     scancode = KEY_Break;
 | |
|                     break;      /* curs break */
 | |
|                 case 0x5b:
 | |
|                     scancode = KEY_LMeta;
 | |
|                     break;
 | |
|                 case 0x5c:
 | |
|                     scancode = KEY_RMeta;
 | |
|                     break;
 | |
|                 case 0x5d:
 | |
|                     scancode = KEY_Menu;
 | |
|                     break;
 | |
|                 case KEY_F3:
 | |
|                     scancode = KEY_F13;
 | |
|                     break;
 | |
|                 case KEY_F4:
 | |
|                     scancode = KEY_F14;
 | |
|                     break;
 | |
|                 case KEY_F5:
 | |
|                     scancode = KEY_F15;
 | |
|                     break;
 | |
|                 case KEY_F6:
 | |
|                     scancode = KEY_F16;
 | |
|                     break;
 | |
|                 case KEY_F7:
 | |
|                     scancode = KEY_F17;
 | |
|                     break;
 | |
|                 case KEY_KP_Plus:
 | |
|                     scancode = KEY_KP_DEC;
 | |
|                     break;
 | |
|                     /* Ignore virtual shifts (E0 2A, E0 AA, E0 36, E0 B6) */
 | |
|                 case 0x2A:
 | |
|                 case 0x36:
 | |
|                     b++;
 | |
|                     prefix = 0;
 | |
|                     continue;
 | |
|                 default:
 | |
|                     /*
 | |
|                      * "Internet" keyboards are generating lots of new
 | |
|                      * codes.  Let them pass.  There is little consistency
 | |
|                      * between them, so don't bother with symbolic names at
 | |
|                      * this level.
 | |
|                      */
 | |
|                     scancode += 0x78;
 | |
|                 }
 | |
|                 break;
 | |
|             }
 | |
| 
 | |
|             case KEY_Prefix1:
 | |
|             {
 | |
|                 /* we do no handle these */
 | |
|                 b++;
 | |
|                 prefix = 0;
 | |
|                 continue;
 | |
|             }
 | |
| 
 | |
|             default:           /* should not happen */
 | |
|             case 0:            /* do nothing */
 | |
|                 ;
 | |
|             }
 | |
| 
 | |
|             prefix = 0;
 | |
|             KdEnqueueKeyboardEvent(closure, scancode, b[0] & 0x80);
 | |
|             b++;
 | |
|         }
 | |
|     }
 | |
| }
 | |
| 
 | |
| static int LinuxKbdTrans;
 | |
| static struct termios LinuxTermios;
 | |
| 
 | |
| static Status
 | |
| LinuxKeyboardEnable(KdKeyboardInfo * ki)
 | |
| {
 | |
|     struct termios nTty;
 | |
|     unsigned char buf[256];
 | |
|     int n;
 | |
|     int fd;
 | |
| 
 | |
|     if (!ki)
 | |
|         return !Success;
 | |
| 
 | |
|     fd = LinuxConsoleFd;
 | |
|     ki->driverPrivate = (void *) (intptr_t) fd;
 | |
| 
 | |
|     ioctl(fd, KDGKBMODE, &LinuxKbdTrans);
 | |
|     tcgetattr(fd, &LinuxTermios);
 | |
|     ioctl(fd, KDSKBMODE, K_RAW);
 | |
|     nTty = LinuxTermios;
 | |
|     nTty.c_iflag = (IGNPAR | IGNBRK) & (~PARMRK) & (~ISTRIP);
 | |
|     nTty.c_oflag = 0;
 | |
|     nTty.c_cflag = CREAD | CS8;
 | |
|     nTty.c_lflag = 0;
 | |
|     nTty.c_cc[VTIME] = 0;
 | |
|     nTty.c_cc[VMIN] = 1;
 | |
|     cfsetispeed(&nTty, 9600);
 | |
|     cfsetospeed(&nTty, 9600);
 | |
|     tcsetattr(fd, TCSANOW, &nTty);
 | |
|     /*
 | |
|      * Flush any pending keystrokes
 | |
|      */
 | |
|     while ((n = read(fd, buf, sizeof(buf))) > 0);
 | |
|     KdRegisterFd(fd, LinuxKeyboardRead, ki);
 | |
|     return Success;
 | |
| }
 | |
| 
 | |
| static void
 | |
| LinuxKeyboardDisable(KdKeyboardInfo * ki)
 | |
| {
 | |
|     int fd;
 | |
| 
 | |
|     if (!ki)
 | |
|         return;
 | |
| 
 | |
|     fd = (int) (intptr_t) ki->driverPrivate;
 | |
| 
 | |
|     KdUnregisterFd(ki, fd, FALSE);
 | |
|     ioctl(fd, KDSKBMODE, LinuxKbdTrans);
 | |
|     tcsetattr(fd, TCSANOW, &LinuxTermios);
 | |
| }
 | |
| 
 | |
| static Status
 | |
| LinuxKeyboardInit(KdKeyboardInfo * ki)
 | |
| {
 | |
|     if (!ki)
 | |
|         return !Success;
 | |
| 
 | |
|     free(ki->path);
 | |
|     ki->path = strdup("console");
 | |
|     free(ki->name);
 | |
|     ki->name = strdup("Linux console keyboard");
 | |
| 
 | |
|     readKernelMapping(ki);
 | |
| 
 | |
|     return Success;
 | |
| }
 | |
| 
 | |
| static void
 | |
| LinuxKeyboardLeds(KdKeyboardInfo * ki, int leds)
 | |
| {
 | |
|     if (!ki)
 | |
|         return;
 | |
| 
 | |
|     ioctl((int) (intptr_t) ki->driverPrivate, KDSETLED, leds & 7);
 | |
| }
 | |
| 
 | |
| KdKeyboardDriver LinuxKeyboardDriver = {
 | |
|     "keyboard",
 | |
|     .Init = LinuxKeyboardInit,
 | |
|     .Enable = LinuxKeyboardEnable,
 | |
|     .Leds = LinuxKeyboardLeds,
 | |
|     .Disable = LinuxKeyboardDisable,
 | |
| };
 |