1*6a021536SGerd Hoffmann /* 2*6a021536SGerd Hoffmann * QEMU keymap utility 3*6a021536SGerd Hoffmann * 4*6a021536SGerd Hoffmann * Copyright Red Hat, Inc. 2017 5*6a021536SGerd Hoffmann * 6*6a021536SGerd Hoffmann * Authors: 7*6a021536SGerd Hoffmann * Gerd Hoffmann <kraxel@redhat.com> 8*6a021536SGerd Hoffmann * 9*6a021536SGerd Hoffmann * This work is licensed under the terms of the GNU GPL, version 2 or later. 10*6a021536SGerd Hoffmann * See the COPYING file in the top-level directory. 11*6a021536SGerd Hoffmann */ 12*6a021536SGerd Hoffmann #include "qemu/osdep.h" 13*6a021536SGerd Hoffmann #include "qemu-common.h" 14*6a021536SGerd Hoffmann #include "qapi-types.h" 15*6a021536SGerd Hoffmann #include "qemu/notify.h" 16*6a021536SGerd Hoffmann #include "ui/input.h" 17*6a021536SGerd Hoffmann 18*6a021536SGerd Hoffmann #include <xkbcommon/xkbcommon.h> 19*6a021536SGerd Hoffmann 20*6a021536SGerd Hoffmann struct xkb_rule_names names = { 21*6a021536SGerd Hoffmann .rules = NULL, 22*6a021536SGerd Hoffmann .model = "pc105", 23*6a021536SGerd Hoffmann .layout = "us", 24*6a021536SGerd Hoffmann .variant = NULL, 25*6a021536SGerd Hoffmann .options = NULL, 26*6a021536SGerd Hoffmann }; 27*6a021536SGerd Hoffmann 28*6a021536SGerd Hoffmann static xkb_mod_mask_t shift; 29*6a021536SGerd Hoffmann static xkb_mod_mask_t ctrl; 30*6a021536SGerd Hoffmann static xkb_mod_mask_t altgr; 31*6a021536SGerd Hoffmann static xkb_mod_mask_t numlock; 32*6a021536SGerd Hoffmann 33*6a021536SGerd Hoffmann static FILE *outfile; 34*6a021536SGerd Hoffmann 35*6a021536SGerd Hoffmann /* ------------------------------------------------------------------------ */ 36*6a021536SGerd Hoffmann 37*6a021536SGerd Hoffmann static uint32_t qcode_to_number(uint32_t qcode) 38*6a021536SGerd Hoffmann { 39*6a021536SGerd Hoffmann KeyValue keyvalue; 40*6a021536SGerd Hoffmann uint32_t number; 41*6a021536SGerd Hoffmann 42*6a021536SGerd Hoffmann keyvalue.type = KEY_VALUE_KIND_QCODE; 43*6a021536SGerd Hoffmann keyvalue.u.qcode.data = qcode; 44*6a021536SGerd Hoffmann number = qemu_input_key_value_to_number(&keyvalue); 45*6a021536SGerd Hoffmann assert(number != 0); 46*6a021536SGerd Hoffmann return number; 47*6a021536SGerd Hoffmann } 48*6a021536SGerd Hoffmann 49*6a021536SGerd Hoffmann static void print_sym(xkb_keysym_t sym, uint32_t qcode, const char *mod) 50*6a021536SGerd Hoffmann { 51*6a021536SGerd Hoffmann char name[64]; 52*6a021536SGerd Hoffmann 53*6a021536SGerd Hoffmann if (sym == XKB_KEY_NoSymbol) { 54*6a021536SGerd Hoffmann return; 55*6a021536SGerd Hoffmann } 56*6a021536SGerd Hoffmann xkb_keysym_get_name(sym, name, sizeof(name)); 57*6a021536SGerd Hoffmann 58*6a021536SGerd Hoffmann /* TODO: make ui/keymap.c parser accept QKeyCode names */ 59*6a021536SGerd Hoffmann fprintf(outfile, "%s 0x%02x%s\n", name, qcode_to_number(qcode), mod); 60*6a021536SGerd Hoffmann } 61*6a021536SGerd Hoffmann 62*6a021536SGerd Hoffmann static void walk_map(struct xkb_keymap *map, xkb_keycode_t code, void *data) 63*6a021536SGerd Hoffmann { 64*6a021536SGerd Hoffmann struct xkb_state *state = data; 65*6a021536SGerd Hoffmann xkb_keysym_t kbase, knumlock, kshift, kaltgr, kaltgrshift; 66*6a021536SGerd Hoffmann uint32_t evdev, qcode; 67*6a021536SGerd Hoffmann char name[64]; 68*6a021536SGerd Hoffmann 69*6a021536SGerd Hoffmann fprintf(outfile, "\n"); 70*6a021536SGerd Hoffmann 71*6a021536SGerd Hoffmann /* 72*6a021536SGerd Hoffmann * map xkb keycode -> QKeyCode 73*6a021536SGerd Hoffmann * 74*6a021536SGerd Hoffmann * xkb keycode is linux evdev shifted by 8 75*6a021536SGerd Hoffmann */ 76*6a021536SGerd Hoffmann evdev = code - 8; 77*6a021536SGerd Hoffmann qcode = qemu_input_linux_to_qcode(evdev); 78*6a021536SGerd Hoffmann if (qcode == Q_KEY_CODE_UNMAPPED) { 79*6a021536SGerd Hoffmann xkb_state_update_mask(state, 0, 0, 0, 0, 0, 0); 80*6a021536SGerd Hoffmann kbase = xkb_state_key_get_one_sym(state, code); 81*6a021536SGerd Hoffmann xkb_keysym_get_name(kbase, name, sizeof(name)); 82*6a021536SGerd Hoffmann fprintf(outfile, "# evdev %d (0x%x): no evdev -> QKeyCode mapping" 83*6a021536SGerd Hoffmann " (xkb keysym %s)\n", evdev, evdev, name); 84*6a021536SGerd Hoffmann return; 85*6a021536SGerd Hoffmann } 86*6a021536SGerd Hoffmann fprintf(outfile, "# evdev %d (0x%x), QKeyCode \"%s\", number 0x%x\n", 87*6a021536SGerd Hoffmann evdev, evdev, 88*6a021536SGerd Hoffmann QKeyCode_lookup.array[qcode], 89*6a021536SGerd Hoffmann qcode_to_number(qcode)); 90*6a021536SGerd Hoffmann 91*6a021536SGerd Hoffmann /* 92*6a021536SGerd Hoffmann * check which modifier states generate which keysyms 93*6a021536SGerd Hoffmann */ 94*6a021536SGerd Hoffmann xkb_state_update_mask(state, 0, 0, 0, 0, 0, 0); 95*6a021536SGerd Hoffmann kbase = xkb_state_key_get_one_sym(state, code); 96*6a021536SGerd Hoffmann print_sym(kbase, qcode, ""); 97*6a021536SGerd Hoffmann 98*6a021536SGerd Hoffmann xkb_state_update_mask(state, 0, 0, numlock, 0, 0, 0); 99*6a021536SGerd Hoffmann knumlock = xkb_state_key_get_one_sym(state, code); 100*6a021536SGerd Hoffmann if (kbase != knumlock) { 101*6a021536SGerd Hoffmann print_sym(knumlock, qcode, " numlock"); 102*6a021536SGerd Hoffmann } 103*6a021536SGerd Hoffmann 104*6a021536SGerd Hoffmann xkb_state_update_mask(state, shift, 0, 0, 0, 0, 0); 105*6a021536SGerd Hoffmann kshift = xkb_state_key_get_one_sym(state, code); 106*6a021536SGerd Hoffmann if (kbase != kshift && knumlock != kshift) { 107*6a021536SGerd Hoffmann print_sym(kshift, qcode, " shift"); 108*6a021536SGerd Hoffmann } 109*6a021536SGerd Hoffmann 110*6a021536SGerd Hoffmann xkb_state_update_mask(state, altgr, 0, 0, 0, 0, 0); 111*6a021536SGerd Hoffmann kaltgr = xkb_state_key_get_one_sym(state, code); 112*6a021536SGerd Hoffmann if (kbase != kaltgr) { 113*6a021536SGerd Hoffmann print_sym(kaltgr, qcode, " altgr"); 114*6a021536SGerd Hoffmann } 115*6a021536SGerd Hoffmann 116*6a021536SGerd Hoffmann xkb_state_update_mask(state, altgr | shift, 0, 0, 0, 0, 0); 117*6a021536SGerd Hoffmann kaltgrshift = xkb_state_key_get_one_sym(state, code); 118*6a021536SGerd Hoffmann if (kshift != kaltgrshift && kaltgr != kaltgrshift) { 119*6a021536SGerd Hoffmann print_sym(kaltgrshift, qcode, " shift altgr"); 120*6a021536SGerd Hoffmann } 121*6a021536SGerd Hoffmann return; 122*6a021536SGerd Hoffmann } 123*6a021536SGerd Hoffmann 124*6a021536SGerd Hoffmann static void usage(FILE *out) 125*6a021536SGerd Hoffmann { 126*6a021536SGerd Hoffmann fprintf(out, 127*6a021536SGerd Hoffmann "\n" 128*6a021536SGerd Hoffmann "This tool generates qemu reverse keymaps from xkb keymaps,\n" 129*6a021536SGerd Hoffmann "which can be used with the qemu \"-k\" command line switch.\n" 130*6a021536SGerd Hoffmann "\n" 131*6a021536SGerd Hoffmann "usage: qemu-keymap <options>\n" 132*6a021536SGerd Hoffmann "options:\n" 133*6a021536SGerd Hoffmann " -h print this text\n" 134*6a021536SGerd Hoffmann " -f <file> set output file (default: stdout)\n" 135*6a021536SGerd Hoffmann " -m <model> set kbd model (default: %s)\n" 136*6a021536SGerd Hoffmann " -l <layout> set kbd layout (default: %s)\n" 137*6a021536SGerd Hoffmann " -v <variant> set kbd variant (default: %s)\n" 138*6a021536SGerd Hoffmann " -o <options> set kbd options (default: %s)\n" 139*6a021536SGerd Hoffmann "\n", 140*6a021536SGerd Hoffmann names.model, names.layout, 141*6a021536SGerd Hoffmann names.variant ?: "-", 142*6a021536SGerd Hoffmann names.options ?: "-"); 143*6a021536SGerd Hoffmann } 144*6a021536SGerd Hoffmann 145*6a021536SGerd Hoffmann int main(int argc, char *argv[]) 146*6a021536SGerd Hoffmann { 147*6a021536SGerd Hoffmann struct xkb_context *ctx; 148*6a021536SGerd Hoffmann struct xkb_keymap *map; 149*6a021536SGerd Hoffmann struct xkb_state *state; 150*6a021536SGerd Hoffmann xkb_mod_index_t mod, mods; 151*6a021536SGerd Hoffmann int rc; 152*6a021536SGerd Hoffmann 153*6a021536SGerd Hoffmann for (;;) { 154*6a021536SGerd Hoffmann rc = getopt(argc, argv, "hm:l:v:o:f:"); 155*6a021536SGerd Hoffmann if (rc == -1) { 156*6a021536SGerd Hoffmann break; 157*6a021536SGerd Hoffmann } 158*6a021536SGerd Hoffmann switch (rc) { 159*6a021536SGerd Hoffmann case 'm': 160*6a021536SGerd Hoffmann names.model = optarg; 161*6a021536SGerd Hoffmann break; 162*6a021536SGerd Hoffmann case 'l': 163*6a021536SGerd Hoffmann names.layout = optarg; 164*6a021536SGerd Hoffmann break; 165*6a021536SGerd Hoffmann case 'v': 166*6a021536SGerd Hoffmann names.variant = optarg; 167*6a021536SGerd Hoffmann break; 168*6a021536SGerd Hoffmann case 'o': 169*6a021536SGerd Hoffmann names.options = optarg; 170*6a021536SGerd Hoffmann break; 171*6a021536SGerd Hoffmann case 'f': 172*6a021536SGerd Hoffmann outfile = fopen(optarg, "w"); 173*6a021536SGerd Hoffmann if (outfile == NULL) { 174*6a021536SGerd Hoffmann fprintf(stderr, "open %s: %s\n", optarg, strerror(errno)); 175*6a021536SGerd Hoffmann exit(1); 176*6a021536SGerd Hoffmann } 177*6a021536SGerd Hoffmann break; 178*6a021536SGerd Hoffmann case 'h': 179*6a021536SGerd Hoffmann usage(stdout); 180*6a021536SGerd Hoffmann exit(0); 181*6a021536SGerd Hoffmann default: 182*6a021536SGerd Hoffmann usage(stderr); 183*6a021536SGerd Hoffmann exit(1); 184*6a021536SGerd Hoffmann } 185*6a021536SGerd Hoffmann } 186*6a021536SGerd Hoffmann 187*6a021536SGerd Hoffmann if (outfile == NULL) { 188*6a021536SGerd Hoffmann outfile = stdout; 189*6a021536SGerd Hoffmann } 190*6a021536SGerd Hoffmann 191*6a021536SGerd Hoffmann fprintf(outfile, 192*6a021536SGerd Hoffmann "#\n" 193*6a021536SGerd Hoffmann "# generated by qemu-keymap\n" 194*6a021536SGerd Hoffmann "# model : %s\n" 195*6a021536SGerd Hoffmann "# layout : %s\n" 196*6a021536SGerd Hoffmann "# variant : %s\n" 197*6a021536SGerd Hoffmann "# options : %s\n" 198*6a021536SGerd Hoffmann "\n", 199*6a021536SGerd Hoffmann names.model, names.layout, 200*6a021536SGerd Hoffmann names.variant ?: "-", 201*6a021536SGerd Hoffmann names.options ?: "-"); 202*6a021536SGerd Hoffmann 203*6a021536SGerd Hoffmann ctx = xkb_context_new(XKB_CONTEXT_NO_FLAGS); 204*6a021536SGerd Hoffmann map = xkb_keymap_new_from_names(ctx, &names, XKB_KEYMAP_COMPILE_NO_FLAGS); 205*6a021536SGerd Hoffmann if (!map) { 206*6a021536SGerd Hoffmann /* libxkbcommon prints error */ 207*6a021536SGerd Hoffmann exit(1); 208*6a021536SGerd Hoffmann } 209*6a021536SGerd Hoffmann 210*6a021536SGerd Hoffmann fprintf(outfile, "# name: \"%s\"\n\n", 211*6a021536SGerd Hoffmann xkb_keymap_layout_get_name(map, 0)); 212*6a021536SGerd Hoffmann fprintf(outfile, "# modifiers\n"); 213*6a021536SGerd Hoffmann mods = xkb_keymap_num_mods(map); 214*6a021536SGerd Hoffmann for (mod = 0; mod < mods; mod++) { 215*6a021536SGerd Hoffmann fprintf(outfile, "# %2d: %s\n", 216*6a021536SGerd Hoffmann mod, xkb_keymap_mod_get_name(map, mod)); 217*6a021536SGerd Hoffmann } 218*6a021536SGerd Hoffmann 219*6a021536SGerd Hoffmann mod = xkb_keymap_mod_get_index(map, "Shift"); 220*6a021536SGerd Hoffmann shift = (1 << mod); 221*6a021536SGerd Hoffmann mod = xkb_keymap_mod_get_index(map, "Control"); 222*6a021536SGerd Hoffmann ctrl = (1 << mod); 223*6a021536SGerd Hoffmann mod = xkb_keymap_mod_get_index(map, "AltGr"); 224*6a021536SGerd Hoffmann altgr = (1 << mod); 225*6a021536SGerd Hoffmann mod = xkb_keymap_mod_get_index(map, "NumLock"); 226*6a021536SGerd Hoffmann numlock = (1 << mod); 227*6a021536SGerd Hoffmann 228*6a021536SGerd Hoffmann state = xkb_state_new(map); 229*6a021536SGerd Hoffmann xkb_keymap_key_for_each(map, walk_map, state); 230*6a021536SGerd Hoffmann 231*6a021536SGerd Hoffmann /* add quirks */ 232*6a021536SGerd Hoffmann fprintf(outfile, 233*6a021536SGerd Hoffmann "\n" 234*6a021536SGerd Hoffmann "#\n" 235*6a021536SGerd Hoffmann "# quirks section start\n" 236*6a021536SGerd Hoffmann "#\n" 237*6a021536SGerd Hoffmann "# Sometimes multiple keysyms map to the same keycodes.\n" 238*6a021536SGerd Hoffmann "# The keycode -> keysym lookup finds only one of the\n" 239*6a021536SGerd Hoffmann "# keysyms. So append them here.\n" 240*6a021536SGerd Hoffmann "#\n" 241*6a021536SGerd Hoffmann "\n"); 242*6a021536SGerd Hoffmann print_sym(XKB_KEY_Print, Q_KEY_CODE_SYSRQ, ""); 243*6a021536SGerd Hoffmann print_sym(XKB_KEY_Sys_Req, Q_KEY_CODE_SYSRQ, ""); 244*6a021536SGerd Hoffmann print_sym(XKB_KEY_Execute, Q_KEY_CODE_SYSRQ, ""); 245*6a021536SGerd Hoffmann 246*6a021536SGerd Hoffmann print_sym(XKB_KEY_KP_Decimal, Q_KEY_CODE_KP_DECIMAL, " numlock"); 247*6a021536SGerd Hoffmann print_sym(XKB_KEY_KP_Separator, Q_KEY_CODE_KP_DECIMAL, " numlock"); 248*6a021536SGerd Hoffmann 249*6a021536SGerd Hoffmann print_sym(XKB_KEY_Alt_R, Q_KEY_CODE_ALT_R, ""); 250*6a021536SGerd Hoffmann print_sym(XKB_KEY_ISO_Level3_Shift, Q_KEY_CODE_ALT_R, ""); 251*6a021536SGerd Hoffmann print_sym(XKB_KEY_Mode_switch, Q_KEY_CODE_ALT_R, ""); 252*6a021536SGerd Hoffmann 253*6a021536SGerd Hoffmann fprintf(outfile, 254*6a021536SGerd Hoffmann "\n" 255*6a021536SGerd Hoffmann "# quirks section end\n"); 256*6a021536SGerd Hoffmann 257*6a021536SGerd Hoffmann exit(0); 258*6a021536SGerd Hoffmann } 259