keygrabber.c

   1 /*
   2  * keygrabber.c - key grabbing
   3  *
   4  * Copyright © 2008 Julien Danjou <julien@danjou.info>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  */
  21
  22 #include <unistd.h>
  23
  24 #include "keygrabber.h"
  25 #include "structs.h"
  26
  27 extern awesome_t globalconf;
  28
  29 /** XCB equivalent of XLookupString which translate the keycode given
  30  * by PressEvent to a KeySym and a string
  31  * \todo use XKB!
  32  */
  33 static unsigned short const
  34 keysym_to_unicode_1a1_1ff[] =
  35 {
  36             0x0104, 0x02d8, 0x0141, 0x0000, 0x013d, 0x015a, 0x0000, /* 0x01a0-0x01a7 */
  37     0x0000, 0x0160, 0x015e, 0x0164, 0x0179, 0x0000, 0x017d, 0x017b, /* 0x01a8-0x01af */
  38     0x0000, 0x0105, 0x02db, 0x0142, 0x0000, 0x013e, 0x015b, 0x02c7, /* 0x01b0-0x01b7 */
  39     0x0000, 0x0161, 0x015f, 0x0165, 0x017a, 0x02dd, 0x017e, 0x017c, /* 0x01b8-0x01bf */
  40     0x0154, 0x0000, 0x0000, 0x0102, 0x0000, 0x0139, 0x0106, 0x0000, /* 0x01c0-0x01c7 */
  41     0x010c, 0x0000, 0x0118, 0x0000, 0x011a, 0x0000, 0x0000, 0x010e, /* 0x01c8-0x01cf */
  42     0x0110, 0x0143, 0x0147, 0x0000, 0x0000, 0x0150, 0x0000, 0x0000, /* 0x01d0-0x01d7 */
  43     0x0158, 0x016e, 0x0000, 0x0170, 0x0000, 0x0000, 0x0162, 0x0000, /* 0x01d8-0x01df */
  44     0x0155, 0x0000, 0x0000, 0x0103, 0x0000, 0x013a, 0x0107, 0x0000, /* 0x01e0-0x01e7 */
  45     0x010d, 0x0000, 0x0119, 0x0000, 0x011b, 0x0000, 0x0000, 0x010f, /* 0x01e8-0x01ef */
  46     0x0111, 0x0144, 0x0148, 0x0000, 0x0000, 0x0151, 0x0000, 0x0000, /* 0x01f0-0x01f7 */
  47     0x0159, 0x016f, 0x0000, 0x0171, 0x0000, 0x0000, 0x0163, 0x02d9  /* 0x01f8-0x01ff */
  48 };
  49
  50 static unsigned short const
  51 keysym_to_unicode_2a1_2fe[] =
  52 {
  53             0x0126, 0x0000, 0x0000, 0x0000, 0x0000, 0x0124, 0x0000, /* 0x02a0-0x02a7 */
  54     0x0000, 0x0130, 0x0000, 0x011e, 0x0134, 0x0000, 0x0000, 0x0000, /* 0x02a8-0x02af */
  55     0x0000, 0x0127, 0x0000, 0x0000, 0x0000, 0x0000, 0x0125, 0x0000, /* 0x02b0-0x02b7 */
  56     0x0000, 0x0131, 0x0000, 0x011f, 0x0135, 0x0000, 0x0000, 0x0000, /* 0x02b8-0x02bf */
  57     0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x010a, 0x0108, 0x0000, /* 0x02c0-0x02c7 */
  58     0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /* 0x02c8-0x02cf */
  59     0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0120, 0x0000, 0x0000, /* 0x02d0-0x02d7 */
  60     0x011c, 0x0000, 0x0000, 0x0000, 0x0000, 0x016c, 0x015c, 0x0000, /* 0x02d8-0x02df */
  61     0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x010b, 0x0109, 0x0000, /* 0x02e0-0x02e7 */
  62     0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /* 0x02e8-0x02ef */
  63     0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0121, 0x0000, 0x0000, /* 0x02f0-0x02f7 */
  64     0x011d, 0x0000, 0x0000, 0x0000, 0x0000, 0x016d, 0x015d          /* 0x02f8-0x02ff */
  65 };
  66
  67 static unsigned short const
  68 keysym_to_unicode_3a2_3fe[] =
  69 {
  70                     0x0138, 0x0156, 0x0000, 0x0128, 0x013b, 0x0000, /* 0x03a0-0x03a7 */
  71     0x0000, 0x0000, 0x0112, 0x0122, 0x0166, 0x0000, 0x0000, 0x0000, /* 0x03a8-0x03af */
  72     0x0000, 0x0000, 0x0000, 0x0157, 0x0000, 0x0129, 0x013c, 0x0000, /* 0x03b0-0x03b7 */
  73     0x0000, 0x0000, 0x0113, 0x0123, 0x0167, 0x014a, 0x0000, 0x014b, /* 0x03b8-0x03bf */
  74     0x0100, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x012e, /* 0x03c0-0x03c7 */
  75     0x0000, 0x0000, 0x0000, 0x0000, 0x0116, 0x0000, 0x0000, 0x012a, /* 0x03c8-0x03cf */
  76     0x0000, 0x0145, 0x014c, 0x0136, 0x0000, 0x0000, 0x0000, 0x0000, /* 0x03d0-0x03d7 */
  77     0x0000, 0x0172, 0x0000, 0x0000, 0x0000, 0x0168, 0x016a, 0x0000, /* 0x03d8-0x03df */
  78     0x0101, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x012f, /* 0x03e0-0x03e7 */
  79     0x0000, 0x0000, 0x0000, 0x0000, 0x0117, 0x0000, 0x0000, 0x012b, /* 0x03e8-0x03ef */
  80     0x0000, 0x0146, 0x014d, 0x0137, 0x0000, 0x0000, 0x0000, 0x0000, /* 0x03f0-0x03f7 */
  81     0x0000, 0x0173, 0x0000, 0x0000, 0x0000, 0x0169, 0x016b          /* 0x03f8-0x03ff */
  82 };
  83
  84 static unsigned short const
  85 keysym_to_unicode_4a1_4df[] =
  86 {
  87             0x3002, 0x3008, 0x3009, 0x3001, 0x30fb, 0x30f2, 0x30a1, /* 0x04a0-0x04a7 */
  88     0x30a3, 0x30a5, 0x30a7, 0x30a9, 0x30e3, 0x30e5, 0x30e7, 0x30c3, /* 0x04a8-0x04af */
  89     0x30fc, 0x30a2, 0x30a4, 0x30a6, 0x30a8, 0x30aa, 0x30ab, 0x30ad, /* 0x04b0-0x04b7 */
  90     0x30af, 0x30b1, 0x30b3, 0x30b5, 0x30b7, 0x30b9, 0x30bb, 0x30bd, /* 0x04b8-0x04bf */
  91     0x30bf, 0x30c1, 0x30c4, 0x30c6, 0x30c8, 0x30ca, 0x30cb, 0x30cc, /* 0x04c0-0x04c7 */
  92     0x30cd, 0x30ce, 0x30cf, 0x30d2, 0x30d5, 0x30d8, 0x30db, 0x30de, /* 0x04c8-0x04cf */
  93     0x30df, 0x30e0, 0x30e1, 0x30e2, 0x30e4, 0x30e6, 0x30e8, 0x30e9, /* 0x04d0-0x04d7 */
  94     0x30ea, 0x30eb, 0x30ec, 0x30ed, 0x30ef, 0x30f3, 0x309b, 0x309c  /* 0x04d8-0x04df */
  95 };
  96
  97 static unsigned short const
  98 keysym_to_unicode_590_5fe[] =
  99 {
 100     0x06f0, 0x06f1, 0x06f2, 0x06f3, 0x06f4, 0x06f5, 0x06f6, 0x06f7, /* 0x0590-0x0597 */
 101     0x06f8, 0x06f9, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /* 0x0598-0x059f */
 102     0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x066a, 0x0670, 0x0679, /* 0x05a0-0x05a7 */
 103
 104     0x067e, 0x0686, 0x0688, 0x0691, 0x060c, 0x0000, 0x06d4, 0x0000, /* 0x05ac-0x05af */
 105     0x0660, 0x0661, 0x0662, 0x0663, 0x0664, 0x0665, 0x0666, 0x0667, /* 0x05b0-0x05b7 */
 106     0x0668, 0x0669, 0x0000, 0x061b, 0x0000, 0x0000, 0x0000, 0x061f, /* 0x05b8-0x05bf */
 107     0x0000, 0x0621, 0x0622, 0x0623, 0x0624, 0x0625, 0x0626, 0x0627, /* 0x05c0-0x05c7 */
 108     0x0628, 0x0629, 0x062a, 0x062b, 0x062c, 0x062d, 0x062e, 0x062f, /* 0x05c8-0x05cf */
 109     0x0630, 0x0631, 0x0632, 0x0633, 0x0634, 0x0635, 0x0636, 0x0637, /* 0x05d0-0x05d7 */
 110     0x0638, 0x0639, 0x063a, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /* 0x05d8-0x05df */
 111     0x0640, 0x0641, 0x0642, 0x0643, 0x0644, 0x0645, 0x0646, 0x0647, /* 0x05e0-0x05e7 */
 112     0x0648, 0x0649, 0x064a, 0x064b, 0x064c, 0x064d, 0x064e, 0x064f, /* 0x05e8-0x05ef */
 113     0x0650, 0x0651, 0x0652, 0x0653, 0x0654, 0x0655, 0x0698, 0x06a4, /* 0x05f0-0x05f7 */
 114     0x06a9, 0x06af, 0x06ba, 0x06be, 0x06cc, 0x06d2, 0x06c1          /* 0x05f8-0x05fe */
 115 };
 116
 117 static unsigned short const
 118 keysym_to_unicode_680_6ff[] =
 119 {
 120     0x0492, 0x0496, 0x049a, 0x049c, 0x04a2, 0x04ae, 0x04b0, 0x04b2, /* 0x0680-0x0687 */
 121     0x04b6, 0x04b8, 0x04ba, 0x0000, 0x04d8, 0x04e2, 0x04e8, 0x04ee, /* 0x0688-0x068f */
 122     0x0493, 0x0497, 0x049b, 0x049d, 0x04a3, 0x04af, 0x04b1, 0x04b3, /* 0x0690-0x0697 */
 123     0x04b7, 0x04b9, 0x04bb, 0x0000, 0x04d9, 0x04e3, 0x04e9, 0x04ef, /* 0x0698-0x069f */
 124     0x0000, 0x0452, 0x0453, 0x0451, 0x0454, 0x0455, 0x0456, 0x0457, /* 0x06a0-0x06a7 */
 125     0x0458, 0x0459, 0x045a, 0x045b, 0x045c, 0x0491, 0x045e, 0x045f, /* 0x06a8-0x06af */
 126     0x2116, 0x0402, 0x0403, 0x0401, 0x0404, 0x0405, 0x0406, 0x0407, /* 0x06b0-0x06b7 */
 127     0x0408, 0x0409, 0x040a, 0x040b, 0x040c, 0x0490, 0x040e, 0x040f, /* 0x06b8-0x06bf */
 128     0x044e, 0x0430, 0x0431, 0x0446, 0x0434, 0x0435, 0x0444, 0x0433, /* 0x06c0-0x06c7 */
 129     0x0445, 0x0438, 0x0439, 0x043a, 0x043b, 0x043c, 0x043d, 0x043e, /* 0x06c8-0x06cf */
 130     0x043f, 0x044f, 0x0440, 0x0441, 0x0442, 0x0443, 0x0436, 0x0432, /* 0x06d0-0x06d7 */
 131     0x044c, 0x044b, 0x0437, 0x0448, 0x044d, 0x0449, 0x0447, 0x044a, /* 0x06d8-0x06df */
 132     0x042e, 0x0410, 0x0411, 0x0426, 0x0414, 0x0415, 0x0424, 0x0413, /* 0x06e0-0x06e7 */
 133     0x0425, 0x0418, 0x0419, 0x041a, 0x041b, 0x041c, 0x041d, 0x041e, /* 0x06e8-0x06ef */
 134     0x041f, 0x042f, 0x0420, 0x0421, 0x0422, 0x0423, 0x0416, 0x0412, /* 0x06f0-0x06f7 */
 135     0x042c, 0x042b, 0x0417, 0x0428, 0x042d, 0x0429, 0x0427, 0x042a  /* 0x06f8-0x06ff */
 136 };
 137
 138 static unsigned short const
 139 keysym_to_unicode_7a1_7f9[] =
 140 {
 141             0x0386, 0x0388, 0x0389, 0x038a, 0x03aa, 0x0000, 0x038c, /* 0x07a0-0x07a7 */
 142     0x038e, 0x03ab, 0x0000, 0x038f, 0x0000, 0x0000, 0x0385, 0x2015, /* 0x07a8-0x07af */
 143     0x0000, 0x03ac, 0x03ad, 0x03ae, 0x03af, 0x03ca, 0x0390, 0x03cc, /* 0x07b0-0x07b7 */
 144     0x03cd, 0x03cb, 0x03b0, 0x03ce, 0x0000, 0x0000, 0x0000, 0x0000, /* 0x07b8-0x07bf */
 145     0x0000, 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396, 0x0397, /* 0x07c0-0x07c7 */
 146     0x0398, 0x0399, 0x039a, 0x039b, 0x039c, 0x039d, 0x039e, 0x039f, /* 0x07c8-0x07cf */
 147     0x03a0, 0x03a1, 0x03a3, 0x0000, 0x03a4, 0x03a5, 0x03a6, 0x03a7, /* 0x07d0-0x07d7 */
 148     0x03a8, 0x03a9, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /* 0x07d8-0x07df */
 149     0x0000, 0x03b1, 0x03b2, 0x03b3, 0x03b4, 0x03b5, 0x03b6, 0x03b7, /* 0x07e0-0x07e7 */
 150     0x03b8, 0x03b9, 0x03ba, 0x03bb, 0x03bc, 0x03bd, 0x03be, 0x03bf, /* 0x07e8-0x07ef */
 151     0x03c0, 0x03c1, 0x03c3, 0x03c2, 0x03c4, 0x03c5, 0x03c6, 0x03c7, /* 0x07f0-0x07f7 */
 152     0x03c8, 0x03c9                                                  /* 0x07f8-0x07ff */
 153 };
 154
 155 static unsigned short const
 156 keysym_to_unicode_8a4_8fe[] =
 157 {
 158                                     0x2320, 0x2321, 0x0000, 0x231c, /* 0x08a0-0x08a7 */
 159     0x231d, 0x231e, 0x231f, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /* 0x08a8-0x08af */
 160     0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /* 0x08b0-0x08b7 */
 161     0x0000, 0x0000, 0x0000, 0x0000, 0x2264, 0x2260, 0x2265, 0x222b, /* 0x08b8-0x08bf */
 162     0x2234, 0x0000, 0x221e, 0x0000, 0x0000, 0x2207, 0x0000, 0x0000, /* 0x08c0-0x08c7 */
 163     0x2245, 0x2246, 0x0000, 0x0000, 0x0000, 0x0000, 0x22a2, 0x0000, /* 0x08c8-0x08cf */
 164     0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x221a, 0x0000, /* 0x08d0-0x08d7 */
 165     0x0000, 0x0000, 0x2282, 0x2283, 0x2229, 0x222a, 0x2227, 0x2228, /* 0x08d8-0x08df */
 166     0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /* 0x08e0-0x08e7 */
 167     0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /* 0x08e8-0x08ef */
 168     0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0192, 0x0000, /* 0x08f0-0x08f7 */
 169     0x0000, 0x0000, 0x0000, 0x2190, 0x2191, 0x2192, 0x2193          /* 0x08f8-0x08ff */
 170 };
 171
 172 static unsigned short const
 173 keysym_to_unicode_9df_9f8[] =
 174 {
 175                                                             0x2422, /* 0x09d8-0x09df */
 176     0x2666, 0x25a6, 0x2409, 0x240c, 0x240d, 0x240a, 0x0000, 0x0000, /* 0x09e0-0x09e7 */
 177     0x240a, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x2500, /* 0x09e8-0x09ef */
 178     0x0000, 0x0000, 0x0000, 0x0000, 0x251c, 0x2524, 0x2534, 0x252c, /* 0x09f0-0x09f7 */
 179     0x2502                                                          /* 0x09f8-0x09ff */
 180 };
 181
 182 static unsigned short const
 183 keysym_to_unicode_aa1_afe[] =
 184 {
 185             0x2003, 0x2002, 0x2004, 0x2005, 0x2007, 0x2008, 0x2009, /* 0x0aa0-0x0aa7 */
 186     0x200a, 0x2014, 0x2013, 0x0000, 0x0000, 0x0000, 0x2026, 0x2025, /* 0x0aa8-0x0aaf */
 187     0x2153, 0x2154, 0x2155, 0x2156, 0x2157, 0x2158, 0x2159, 0x215a, /* 0x0ab0-0x0ab7 */
 188     0x2105, 0x0000, 0x0000, 0x2012, 0x2039, 0x2024, 0x203a, 0x0000, /* 0x0ab8-0x0abf */
 189     0x0000, 0x0000, 0x0000, 0x215b, 0x215c, 0x215d, 0x215e, 0x0000, /* 0x0ac0-0x0ac7 */
 190     0x0000, 0x2122, 0x2120, 0x0000, 0x25c1, 0x25b7, 0x25cb, 0x25ad, /* 0x0ac8-0x0acf */
 191     0x2018, 0x2019, 0x201c, 0x201d, 0x211e, 0x0000, 0x2032, 0x2033, /* 0x0ad0-0x0ad7 */
 192     0x0000, 0x271d, 0x0000, 0x220e, 0x25c2, 0x2023, 0x25cf, 0x25ac, /* 0x0ad8-0x0adf */
 193     0x25e6, 0x25ab, 0x25ae, 0x25b5, 0x25bf, 0x2606, 0x2022, 0x25aa, /* 0x0ae0-0x0ae7 */
 194     0x25b4, 0x25be, 0x261a, 0x261b, 0x2663, 0x2666, 0x2665, 0x0000, /* 0x0ae8-0x0aef */
 195     0x2720, 0x2020, 0x2021, 0x2713, 0x2612, 0x266f, 0x266d, 0x2642, /* 0x0af0-0x0af7 */
 196     0x2640, 0x2121, 0x2315, 0x2117, 0x2038, 0x201a, 0x201e          /* 0x0af8-0x0aff */
 197 };
 198
 199 /* none of the APL keysyms match the Unicode characters */
 200 static unsigned short const
 201 keysym_to_unicode_cdf_cfa[] =
 202 {
 203                                                             0x2017, /* 0x0cd8-0x0cdf */
 204     0x05d0, 0x05d1, 0x05d2, 0x05d3, 0x05d4, 0x05d5, 0x05d6, 0x05d7, /* 0x0ce0-0x0ce7 */
 205     0x05d8, 0x05d9, 0x05da, 0x05db, 0x05dc, 0x05dd, 0x05de, 0x05df, /* 0x0ce8-0x0cef */
 206     0x05e0, 0x05e1, 0x05e2, 0x05e3, 0x05e4, 0x05e5, 0x05e6, 0x05e7, /* 0x0cf0-0x0cf7 */
 207     0x05e8, 0x05e9, 0x05ea                                          /* 0x0cf8-0x0cff */
 208 };
 209
 210 static unsigned short const
 211 keysym_to_unicode_da1_df9[] =
 212 {
 213             0x0e01, 0x0e02, 0x0e03, 0x0e04, 0x0e05, 0x0e06, 0x0e07, /* 0x0da0-0x0da7 */
 214     0x0e08, 0x0e09, 0x0e0a, 0x0e0b, 0x0e0c, 0x0e0d, 0x0e0e, 0x0e0f, /* 0x0da8-0x0daf */
 215     0x0e10, 0x0e11, 0x0e12, 0x0e13, 0x0e14, 0x0e15, 0x0e16, 0x0e17, /* 0x0db0-0x0db7 */
 216     0x0e18, 0x0e19, 0x0e1a, 0x0e1b, 0x0e1c, 0x0e1d, 0x0e1e, 0x0e1f, /* 0x0db8-0x0dbf */
 217     0x0e20, 0x0e21, 0x0e22, 0x0e23, 0x0e24, 0x0e25, 0x0e26, 0x0e27, /* 0x0dc0-0x0dc7 */
 218     0x0e28, 0x0e29, 0x0e2a, 0x0e2b, 0x0e2c, 0x0e2d, 0x0e2e, 0x0e2f, /* 0x0dc8-0x0dcf */
 219     0x0e30, 0x0e31, 0x0e32, 0x0e33, 0x0e34, 0x0e35, 0x0e36, 0x0e37, /* 0x0dd0-0x0dd7 */
 220     0x0e38, 0x0e39, 0x0e3a, 0x0000, 0x0000, 0x0000, 0x0e3e, 0x0e3f, /* 0x0dd8-0x0ddf */
 221     0x0e40, 0x0e41, 0x0e42, 0x0e43, 0x0e44, 0x0e45, 0x0e46, 0x0e47, /* 0x0de0-0x0de7 */
 222     0x0e48, 0x0e49, 0x0e4a, 0x0e4b, 0x0e4c, 0x0e4d, 0x0000, 0x0000, /* 0x0de8-0x0def */
 223     0x0e50, 0x0e51, 0x0e52, 0x0e53, 0x0e54, 0x0e55, 0x0e56, 0x0e57, /* 0x0df0-0x0df7 */
 224     0x0e58, 0x0e59                                                  /* 0x0df8-0x0dff */
 225 };
 226
 227 static unsigned short const
 228 keysym_to_unicode_ea0_eff[] =
 229 {
 230     0x0000, 0x1101, 0x1101, 0x11aa, 0x1102, 0x11ac, 0x11ad, 0x1103, /* 0x0ea0-0x0ea7 */
 231     0x1104, 0x1105, 0x11b0, 0x11b1, 0x11b2, 0x11b3, 0x11b4, 0x11b5, /* 0x0ea8-0x0eaf */
 232     0x11b6, 0x1106, 0x1107, 0x1108, 0x11b9, 0x1109, 0x110a, 0x110b, /* 0x0eb0-0x0eb7 */
 233     0x110c, 0x110d, 0x110e, 0x110f, 0x1110, 0x1111, 0x1112, 0x1161, /* 0x0eb8-0x0ebf */
 234     0x1162, 0x1163, 0x1164, 0x1165, 0x1166, 0x1167, 0x1168, 0x1169, /* 0x0ec0-0x0ec7 */
 235     0x116a, 0x116b, 0x116c, 0x116d, 0x116e, 0x116f, 0x1170, 0x1171, /* 0x0ec8-0x0ecf */
 236     0x1172, 0x1173, 0x1174, 0x1175, 0x11a8, 0x11a9, 0x11aa, 0x11ab, /* 0x0ed0-0x0ed7 */
 237     0x11ac, 0x11ad, 0x11ae, 0x11af, 0x11b0, 0x11b1, 0x11b2, 0x11b3, /* 0x0ed8-0x0edf */
 238     0x11b4, 0x11b5, 0x11b6, 0x11b7, 0x11b8, 0x11b9, 0x11ba, 0x11bb, /* 0x0ee0-0x0ee7 */
 239     0x11bc, 0x11bd, 0x11be, 0x11bf, 0x11c0, 0x11c1, 0x11c2, 0x0000, /* 0x0ee8-0x0eef */
 240     0x0000, 0x0000, 0x1140, 0x0000, 0x0000, 0x1159, 0x119e, 0x0000, /* 0x0ef0-0x0ef7 */
 241     0x11eb, 0x0000, 0x11f9, 0x0000, 0x0000, 0x0000, 0x0000, 0x20a9, /* 0x0ef8-0x0eff */
 242 };
 243
 244 static unsigned short const
 245 keysym_to_unicode_12a1_12fe[] =
 246 {
 247             0x1e02, 0x1e03, 0x0000, 0x0000, 0x0000, 0x1e0a, 0x0000, /* 0x12a0-0x12a7 */
 248     0x1e80, 0x0000, 0x1e82, 0x1e0b, 0x1ef2, 0x0000, 0x0000, 0x0000, /* 0x12a8-0x12af */
 249     0x1e1e, 0x1e1f, 0x0000, 0x0000, 0x1e40, 0x1e41, 0x0000, 0x1e56, /* 0x12b0-0x12b7 */
 250     0x1e81, 0x1e57, 0x1e83, 0x1e60, 0x1ef3, 0x1e84, 0x1e85, 0x1e61, /* 0x12b8-0x12bf */
 251     0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /* 0x12c0-0x12c7 */
 252     0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /* 0x12c8-0x12cf */
 253     0x0174, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x1e6a, /* 0x12d0-0x12d7 */
 254     0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0176, 0x0000, /* 0x12d8-0x12df */
 255     0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /* 0x12e0-0x12e7 */
 256     0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /* 0x12e8-0x12ef */
 257     0x0175, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x1e6b, /* 0x12f0-0x12f7 */
 258     0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0177          /* 0x12f0-0x12ff */
 259 };
 260
 261 static unsigned short const
 262 keysym_to_unicode_13bc_13be[] =
 263 {
 264                                     0x0152, 0x0153, 0x0178          /* 0x13b8-0x13bf */
 265 };
 266
 267 static unsigned short const
 268 keysym_to_unicode_14a1_14ff[] =
 269 {
 270             0x2741, 0x00a7, 0x0589, 0x0029, 0x0028, 0x00bb, 0x00ab, /* 0x14a0-0x14a7 */
 271     0x2014, 0x002e, 0x055d, 0x002c, 0x2013, 0x058a, 0x2026, 0x055c, /* 0x14a8-0x14af */
 272     0x055b, 0x055e, 0x0531, 0x0561, 0x0532, 0x0562, 0x0533, 0x0563, /* 0x14b0-0x14b7 */
 273     0x0534, 0x0564, 0x0535, 0x0565, 0x0536, 0x0566, 0x0537, 0x0567, /* 0x14b8-0x14bf */
 274     0x0538, 0x0568, 0x0539, 0x0569, 0x053a, 0x056a, 0x053b, 0x056b, /* 0x14c0-0x14c7 */
 275     0x053c, 0x056c, 0x053d, 0x056d, 0x053e, 0x056e, 0x053f, 0x056f, /* 0x14c8-0x14cf */
 276     0x0540, 0x0570, 0x0541, 0x0571, 0x0542, 0x0572, 0x0543, 0x0573, /* 0x14d0-0x14d7 */
 277     0x0544, 0x0574, 0x0545, 0x0575, 0x0546, 0x0576, 0x0547, 0x0577, /* 0x14d8-0x14df */
 278     0x0548, 0x0578, 0x0549, 0x0579, 0x054a, 0x057a, 0x054b, 0x057b, /* 0x14e0-0x14e7 */
 279     0x054c, 0x057c, 0x054d, 0x057d, 0x054e, 0x057e, 0x054f, 0x057f, /* 0x14e8-0x14ef */
 280     0x0550, 0x0580, 0x0551, 0x0581, 0x0552, 0x0582, 0x0553, 0x0583, /* 0x14f0-0x14f7 */
 281     0x0554, 0x0584, 0x0555, 0x0585, 0x0556, 0x0586, 0x2019, 0x0027, /* 0x14f8-0x14ff */
 282 };
 283
 284 static unsigned short const
 285 keysym_to_unicode_15d0_15f6[] =
 286 {
 287     0x10d0, 0x10d1, 0x10d2, 0x10d3, 0x10d4, 0x10d5, 0x10d6, 0x10d7, /* 0x15d0-0x15d7 */
 288     0x10d8, 0x10d9, 0x10da, 0x10db, 0x10dc, 0x10dd, 0x10de, 0x10df, /* 0x15d8-0x15df */
 289     0x10e0, 0x10e1, 0x10e2, 0x10e3, 0x10e4, 0x10e5, 0x10e6, 0x10e7, /* 0x15e0-0x15e7 */
 290     0x10e8, 0x10e9, 0x10ea, 0x10eb, 0x10ec, 0x10ed, 0x10ee, 0x10ef, /* 0x15e8-0x15ef */
 291     0x10f0, 0x10f1, 0x10f2, 0x10f3, 0x10f4, 0x10f5, 0x10f6          /* 0x15f0-0x15f7 */
 292 };
 293
 294 static unsigned short const
 295 keysym_to_unicode_16a0_16f6[] =
 296 {
 297     0x0000, 0x0000, 0xf0a2, 0x1e8a, 0x0000, 0xf0a5, 0x012c, 0xf0a7, /* 0x16a0-0x16a7 */
 298     0xf0a8, 0x01b5, 0x01e6, 0x0000, 0x0000, 0x0000, 0x0000, 0x019f, /* 0x16a8-0x16af */
 299     0x0000, 0x0000, 0xf0b2, 0x1e8b, 0x01d1, 0xf0b5, 0x012d, 0xf0b7, /* 0x16b0-0x16b7 */
 300     0xf0b8, 0x01b6, 0x01e7, 0x0000, 0x0000, 0x01d2, 0x0000, 0x0275, /* 0x16b8-0x16bf */
 301     0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x018f, 0x0000, /* 0x16c0-0x16c7 */
 302     0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /* 0x16c8-0x16cf */
 303     0x0000, 0x1e36, 0xf0d2, 0xf0d3, 0x0000, 0x0000, 0x0000, 0x0000, /* 0x16d0-0x16d7 */
 304     0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /* 0x16d8-0x16df */
 305     0x0000, 0x1e37, 0xf0e2, 0xf0e3, 0x0000, 0x0000, 0x0000, 0x0000, /* 0x16e0-0x16e7 */
 306     0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /* 0x16e8-0x16ef */
 307     0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0259          /* 0x16f0-0x16f6 */
 308 };
 309
 310 static unsigned short const
 311 keysym_to_unicode_1e9f_1eff[] =
 312 {
 313                                                             0x0303,
 314     0x1ea0, 0x1ea1, 0x1ea2, 0x1ea3, 0x1ea4, 0x1ea5, 0x1ea6, 0x1ea7, /* 0x1ea0-0x1ea7 */
 315     0x1ea8, 0x1ea9, 0x1eaa, 0x1eab, 0x1eac, 0x1ead, 0x1eae, 0x1eaf, /* 0x1ea8-0x1eaf */
 316     0x1eb0, 0x1eb1, 0x1eb2, 0x1eb3, 0x1eb4, 0x1eb5, 0x1eb6, 0x1eb7, /* 0x1eb0-0x1eb7 */
 317     0x1eb8, 0x1eb9, 0x1eba, 0x1ebb, 0x1ebc, 0x1ebd, 0x1ebe, 0x1ebf, /* 0x1eb8-0x1ebf */
 318     0x1ec0, 0x1ec1, 0x1ec2, 0x1ec3, 0x1ec4, 0x1ec5, 0x1ec6, 0x1ec7, /* 0x1ec0-0x1ec7 */
 319     0x1ec8, 0x1ec9, 0x1eca, 0x1ecb, 0x1ecc, 0x1ecd, 0x1ece, 0x1ecf, /* 0x1ec8-0x1ecf */
 320     0x1ed0, 0x1ed1, 0x1ed2, 0x1ed3, 0x1ed4, 0x1ed5, 0x1ed6, 0x1ed7, /* 0x1ed0-0x1ed7 */
 321     0x1ed8, 0x1ed9, 0x1eda, 0x1edb, 0x1edc, 0x1edd, 0x1ede, 0x1edf, /* 0x1ed8-0x1edf */
 322     0x1ee0, 0x1ee1, 0x1ee2, 0x1ee3, 0x1ee4, 0x1ee5, 0x1ee6, 0x1ee7, /* 0x1ee0-0x1ee7 */
 323     0x1ee8, 0x1ee9, 0x1eea, 0x1eeb, 0x1eec, 0x1eed, 0x1eee, 0x1eef, /* 0x1ee8-0x1eef */
 324     0x1ef0, 0x1ef1, 0x0300, 0x0301, 0x1ef4, 0x1ef5, 0x1ef6, 0x1ef7, /* 0x1ef0-0x1ef7 */
 325     0x1ef8, 0x1ef9, 0x01a0, 0x01a1, 0x01af, 0x01b0, 0x0309, 0x0323  /* 0x1ef8-0x1eff */
 326 };
 327
 328 static unsigned short const
 329 keysym_to_unicode_20a0_20ac[] =
 330 {
 331     0x20a0, 0x20a1, 0x20a2, 0x20a3, 0x20a4, 0x20a5, 0x20a6, 0x20a7, /* 0x20a0-0x20a7 */
 332     0x20a8, 0x20a9, 0x20aa, 0x20ab, 0x20ac                          /* 0x20a8-0x20af */
 333 };
 334
 335 static uint8_t const __utf8_mark[7] = {
 336     0x00, 0x00, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc
 337 };
 338
 339 static int8_t const __utf32_clz_to_len[32] = {
 340     7,                  /* 0x80000000 */
 341     6, 6, 6, 6, 6,      /* 0x04000000 */
 342     5, 5, 5, 5, 5,      /* 0x00200000 */
 343     4, 4, 4, 4, 4,      /* 0x00010000 */
 344     3, 3, 3, 3, 3,      /* 0x00000800 */
 345     2, 2, 2, 2,         /* 0x00000080 */
 346     1, 1, 1, 1, 1, 1, 1 /* 0x00000001 */
 347 };
 348 #define utf8clen(c) __utf32_clz_to_len[__builtin_clz((uint32_t)(c) | 1)]
 349
 350
 351 static bool
 352 keysym_to_utf8(char *buf, int len, const xcb_keysym_t ksym)
 353 {
 354     unsigned int ksym_conv;
 355     int count;
 356
 357     /* Unicode keysym */
 358     if((ksym & 0xff000000) == 0x01000000)
 359         ksym_conv = ksym & 0x00ffffff;
 360     else if(ksym > 0 && ksym < 0x100)
 361         ksym_conv = ksym;
 362     else if(ksym > 0x1a0 && ksym < 0x200)
 363         ksym_conv = keysym_to_unicode_1a1_1ff[ksym - 0x1a1];
 364     else if(ksym > 0x2a0 && ksym < 0x2ff)
 365         ksym_conv = keysym_to_unicode_2a1_2fe[ksym - 0x2a1];
 366     else if(ksym > 0x3a1 && ksym < 0x3ff)
 367         ksym_conv = keysym_to_unicode_3a2_3fe[ksym - 0x3a2];
 368     else if(ksym > 0x4a0 && ksym < 0x4e0)
 369         ksym_conv = keysym_to_unicode_4a1_4df[ksym - 0x4a1];
 370     else if(ksym > 0x589 && ksym < 0x5ff)
 371         ksym_conv = keysym_to_unicode_590_5fe[ksym - 0x590];
 372     else if(ksym > 0x67f && ksym < 0x700)
 373         ksym_conv = keysym_to_unicode_680_6ff[ksym - 0x680];
 374     else if(ksym > 0x7a0 && ksym < 0x7fa)
 375         ksym_conv = keysym_to_unicode_7a1_7f9[ksym - 0x7a1];
 376     else if(ksym > 0x8a3 && ksym < 0x8ff)
 377         ksym_conv = keysym_to_unicode_8a4_8fe[ksym - 0x8a4];
 378     else if(ksym > 0x9de && ksym < 0x9f9)
 379         ksym_conv = keysym_to_unicode_9df_9f8[ksym - 0x9df];
 380     else if(ksym > 0xaa0 && ksym < 0xaff)
 381         ksym_conv = keysym_to_unicode_aa1_afe[ksym - 0xaa1];
 382     else if(ksym > 0xcde && ksym < 0xcfb)
 383         ksym_conv = keysym_to_unicode_cdf_cfa[ksym - 0xcdf];
 384     else if(ksym > 0xda0 && ksym < 0xdfa)
 385         ksym_conv = keysym_to_unicode_da1_df9[ksym - 0xda1];
 386     else if(ksym > 0xe9f && ksym < 0xf00)
 387         ksym_conv = keysym_to_unicode_ea0_eff[ksym - 0xea0];
 388     else if(ksym > 0x12a0 && ksym < 0x12ff)
 389         ksym_conv = keysym_to_unicode_12a1_12fe[ksym - 0x12a1];
 390     else if(ksym > 0x13bb && ksym < 0x13bf)
 391         ksym_conv = keysym_to_unicode_13bc_13be[ksym - 0x13bc];
 392     else if(ksym > 0x14a0 && ksym < 0x1500)
 393         ksym_conv = keysym_to_unicode_14a1_14ff[ksym - 0x14a1];
 394     else if(ksym > 0x15cf && ksym < 0x15f7)
 395         ksym_conv = keysym_to_unicode_15d0_15f6[ksym - 0x15d0];
 396     else if(ksym > 0x169f && ksym < 0x16f7)
 397         ksym_conv = keysym_to_unicode_16a0_16f6[ksym - 0x16a0];
 398     else if(ksym > 0x1e9e && ksym < 0x1f00)
 399         ksym_conv = keysym_to_unicode_1e9f_1eff[ksym - 0x1e9f];
 400     else if(ksym > 0x209f && ksym < 0x20ad)
 401         ksym_conv = keysym_to_unicode_20a0_20ac[ksym - 0x20a0];
 402     else
 403         return false;
 404
 405     count = utf8clen(ksym_conv);
 406     switch (count)
 407     {
 408       case 7: return false;
 409       case 6: buf[5] = (ksym_conv | 0x80) & 0xbf; ksym_conv >>= 6;
 410       case 5: buf[4] = (ksym_conv | 0x80) & 0xbf; ksym_conv >>= 6;
 411       case 4: buf[3] = (ksym_conv | 0x80) & 0xbf; ksym_conv >>= 6;
 412       case 3: buf[2] = (ksym_conv | 0x80) & 0xbf; ksym_conv >>= 6;
 413       case 2: buf[1] = (ksym_conv | 0x80) & 0xbf; ksym_conv >>= 6;
 414       case 1: buf[0] = (ksym_conv | __utf8_mark[count]);
 415     }
 416     buf[count] = '\0';
 417     return true;
 418 }
 419
 420 static bool
 421 keysym_to_str(char *buf, int len, const xcb_keysym_t ksym)
 422 {
 423     /* Try to convert to Latin-1, handling ctrl */
 424     if(!((ksym >= XK_BackSpace && ksym <= XK_Clear)
 425          || (ksym >= XK_Home && ksym <= XK_Begin)
 426          || ksym == XK_Return
 427          || ksym == XK_Escape
 428          || ksym == XK_KP_Space
 429          || ksym == XK_KP_Tab
 430          || ksym == XK_KP_Enter
 431          || ksym == XK_KP_Equal
 432          || (ksym >= XK_KP_Multiply && ksym <= XK_KP_9)
 433          || (ksym >= XK_F1 && ksym <= XK_R15)
 434          || ksym == XK_Delete))
 435         return false;
 436
 437     switch(ksym)
 438     {
 439 #define CASE(k)  case XK_##k: a_strcpy(buf, len, #k); return true
 440         CASE(Home);
 441         CASE(Left);
 442         CASE(Up);
 443         CASE(Right);
 444         CASE(Down);
 445         CASE(Page_Up);
 446         CASE(Page_Down);
 447         CASE(End);
 448         CASE(Begin);
 449         CASE(BackSpace);
 450         CASE(Return);
 451         CASE(Escape);
 452         CASE(KP_Enter);
 453         CASE(F1);  CASE(F2);  CASE(F3);  CASE(F4);  CASE(F5);  CASE(F6);
 454         CASE(F7);  CASE(F8);  CASE(F9);  CASE(F10); CASE(F11); CASE(F12);
 455         CASE(F13); CASE(F14); CASE(F15); CASE(F16); CASE(F17); CASE(F18);
 456         CASE(F19); CASE(F20); CASE(F21); CASE(F22); CASE(F23); CASE(F24);
 457         CASE(F25); CASE(F26); CASE(F27); CASE(F28); CASE(F29); CASE(F30);
 458         CASE(F31); CASE(F32); CASE(F33); CASE(F34); CASE(F35);
 459 #undef CASE
 460       case XK_KP_Space:
 461         /* Patch encoding botch */
 462         buf[0] = XK_space & 0x7F;
 463         break;
 464       case XK_hyphen:
 465         /* Map to equivalent character */
 466         buf[0] = (char)(XK_minus & 0xFF);
 467         break;
 468       default:
 469         buf[0] = (char)(ksym & 0x7F);
 470         break;
 471     }
 472
 473     buf[1] = '\0';
 474     return true;
 475 }
 476
 477 static bool
 478 key_press_lookup_string(xcb_key_press_event_t *e,
 479                         char *buf, int buf_len,
 480                         xcb_keysym_t *ksym)
 481 {
 482     xcb_keysym_t k0, k1;
 483
 484     /* 'col' (third parameter) is used to get the proper KeySym
 485      * according to modifier (XCB doesn't provide an equivalent to
 486      * XLookupString()).
 487      *
 488      * If Mod5 is ON we look into second group.
 489      */
 490     if(e->state & XCB_MOD_MASK_5)
 491     {
 492         k0 = xcb_key_press_lookup_keysym(globalconf.keysyms, e, 2);
 493         k1 = xcb_key_press_lookup_keysym(globalconf.keysyms, e, 3);
 494     }
 495     else
 496     {
 497         k0 = xcb_key_press_lookup_keysym(globalconf.keysyms, e, 0);
 498         k1 = xcb_key_press_lookup_keysym(globalconf.keysyms, e, 1);
 499     }
 500
 501     /* The numlock modifier is on and the second KeySym is a keypad
 502      * KeySym */
 503     if((e->state & globalconf.numlockmask) && xcb_is_keypad_key(k1))
 504     {
 505         /* The Shift modifier is on, or if the Lock modifier is on and
 506          * is interpreted as ShiftLock, use the first KeySym */
 507         if((e->state & XCB_MOD_MASK_SHIFT) ||
 508            (e->state & XCB_MOD_MASK_LOCK && (e->state & globalconf.shiftlockmask)))
 509             *ksym = k0;
 510         else
 511             *ksym = k1;
 512     }
 513
 514     /* The Shift and Lock modifers are both off, use the first
 515      * KeySym */
 516     else if(!(e->state & XCB_MOD_MASK_SHIFT) && !(e->state & XCB_MOD_MASK_LOCK))
 517         *ksym = k0;
 518
 519     /* The Shift modifier is off and the Lock modifier is on and is
 520      * interpreted as CapsLock */
 521     else if(!(e->state & XCB_MOD_MASK_SHIFT) &&
 522             (e->state & XCB_MOD_MASK_LOCK && (e->state & globalconf.capslockmask)))
 523         /* The first Keysym is used but if that KeySym is lowercase
 524          * alphabetic, then the corresponding uppercase KeySym is used
 525          * instead */
 526         *ksym = k1;
 527
 528     /* The Shift modifier is on, and the Lock modifier is on and is
 529      * interpreted as CapsLock */
 530     else if((e->state & XCB_MOD_MASK_SHIFT) &&
 531             (e->state & XCB_MOD_MASK_LOCK && (e->state & globalconf.capslockmask)))
 532         /* The second Keysym is used but if that KeySym is lowercase
 533          * alphabetic, then the corresponding uppercase KeySym is used
 534          * instead */
 535         *ksym = k1;
 536
 537     /* The Shift modifer is on, or the Lock modifier is on and is
 538      * interpreted as ShiftLock, or both */
 539     else if((e->state & XCB_MOD_MASK_SHIFT) ||
 540             (e->state & XCB_MOD_MASK_LOCK && (e->state & globalconf.shiftlockmask)))
 541         *ksym = k1;
 542
 543     /* Handle special KeySym (Tab, Newline...) */
 544     if((*ksym & 0xffffff00) == 0xff00)
 545         return keysym_to_str(buf, buf_len, *ksym);
 546     /* Handle other KeySym (like unicode...) */
 547     return keysym_to_utf8(buf, buf_len, *ksym);
 548 }
 549
 550 /** Grab the keyboard.
 551  * \return True if keyboard was grabbed.
 552  */
 553 static bool
 554 keygrabber_grab(void)
 555 {
 556     int i;
 557     xcb_grab_keyboard_reply_t *xgb;
 558
 559     for(i = 1000; i; i--)
 560     {
 561         if((xgb = xcb_grab_keyboard_reply(globalconf.connection,
 562                                           xcb_grab_keyboard(globalconf.connection, true,
 563                                                             xutil_screen_get(globalconf.connection,
 564                                                                                globalconf.default_screen)->root,
 565                                                             XCB_CURRENT_TIME, XCB_GRAB_MODE_ASYNC,
 566                                                             XCB_GRAB_MODE_ASYNC),
 567                                           NULL)))
 568         {
 569             p_delete(&xgb);
 570             return true;
 571         }
 572         usleep(1000);
 573     }
 574     return false;
 575 }
 576
 577 /** Ungrab the keyboard.
 578  */
 579 void
 580 keygrabber_ungrab(void)
 581 {
 582     xcb_ungrab_keyboard(globalconf.connection, XCB_CURRENT_TIME);
 583     luaL_unref(globalconf.L, LUA_REGISTRYINDEX, globalconf.keygrabber);
 584     globalconf.keygrabber = LUA_REFNIL;
 585 }
 586
 587 /** Handle keypress event.
 588  * \param L Lua stack to push the key pressed.
 589  * \param e Received XKeyEvent.
 590  * \return True if a key was succesfully get, false otherwise.
 591  */
 592 bool
 593 keygrabber_handlekpress(lua_State *L, xcb_key_press_event_t *e)
 594 {
 595     xcb_keysym_t ksym = 0;
 596     char buf[MAX(MB_LEN_MAX, 32)];
 597     int i = 1;
 598
 599     if (!key_press_lookup_string(e, buf, countof(buf), &ksym))
 600         return false;
 601
 602     lua_newtable(L);
 603
 604     if(XUTIL_MASK_CLEAN(e->state) & XCB_MOD_MASK_CONTROL)
 605     {
 606         lua_pushliteral(L, "Control");
 607         lua_rawseti(L, -2, i++);
 608     }
 609     if(XUTIL_MASK_CLEAN(e->state) & XCB_MOD_MASK_LOCK)
 610     {
 611         lua_pushliteral(L, "Lock");
 612         lua_rawseti(L, -2, i++);
 613     }
 614     if(XUTIL_MASK_CLEAN(e->state) & XCB_MOD_MASK_SHIFT)
 615     {
 616         lua_pushliteral(L, "Shift");
 617         lua_rawseti(L, -2, i++);
 618     }
 619     if(XUTIL_MASK_CLEAN(e->state) & XCB_MOD_MASK_1)
 620     {
 621         lua_pushliteral(L, "Mod1");
 622         lua_rawseti(L, -2, i++);
 623     }
 624     if(XUTIL_MASK_CLEAN(e->state) & XCB_MOD_MASK_2)
 625     {
 626         lua_pushliteral(L, "Mod2");
 627         lua_rawseti(L, -2, i++);
 628     }
 629     if(XUTIL_MASK_CLEAN(e->state) & XCB_MOD_MASK_3)
 630     {
 631         lua_pushliteral(L, "Mod3");
 632         lua_rawseti(L, -2, i++);
 633     }
 634     if(XUTIL_MASK_CLEAN(e->state) & XCB_MOD_MASK_4)
 635     {
 636         lua_pushliteral(L, "Mod4");
 637         lua_rawseti(L, -2, i++);
 638     }
 639     if(XUTIL_MASK_CLEAN(e->state) & XCB_MOD_MASK_5)
 640     {
 641         lua_pushliteral(L, "Mod5");
 642         lua_rawseti(L, -2, i++);
 643     }
 644
 645     lua_pushstring(L, buf);
 646     return true;
 647 }
 648
 649 /** Grab keyboard and read pressed keys, calling callback function at each key
 650  * pressed. The callback function must return a boolean value: true to
 651  * continue grabbing, false to stop.
 652  * The function is called with 2 arguments:
 653  * a table containing modifiers keys and a string, the key pressed.
 654  *
 655  * \param L The Lua VM state.
 656  *
 657  * \luastack
 658  *
 659  * \lparam A callback function as described above.
 660  */
 661 static int
 662 luaA_keygrabber_run(lua_State *L)
 663 {
 664     if(globalconf.keygrabber != LUA_REFNIL)
 665         luaL_error(L, "keygrabber already running");
 666
 667     luaA_checkfunction(L, 1);
 668
 669     globalconf.keygrabber = luaL_ref(L, LUA_REGISTRYINDEX);
 670
 671     if(!keygrabber_grab())
 672         luaL_error(L, "unable to grab keyboard");
 673
 674     return 0;
 675 }
 676
 677 const struct luaL_reg awesome_keygrabber_lib[] =
 678 {
 679     {"run", luaA_keygrabber_run },
 680     { NULL, NULL }
 681 };