keys.c

   1 /*
   2         $RCSfile$
   3
   4         Copyright (C) 1996-1997  Id Software, Inc.
   5
   6         This program is free software; you can redistribute it and/or
   7         modify it under the terms of the GNU General Public License
   8         as published by the Free Software Foundation; either version 2
   9         of the License, or (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.
  14
  15         See the GNU General Public License for more details.
  16
  17         You should have received a copy of the GNU General Public License
  18         along with this program; if not, write to:
  19
  20                 Free Software Foundation, Inc.
  21                 59 Temple Place - Suite 330
  22                 Boston, MA  02111-1307, USA
  23
  24 */
  25 static const char rcsid[] =
  26     "$Id$";
  27
  28 #include "quakedef.h"
  29 #include <ctype.h>
  30
  31 extern void SCR_UpdateScreen (void);
  32
  33 /*
  34 key up events are sent even if in console mode
  35 */
  36
  37 #define MAX_INPUTLINE 256
  38 char            key_lines[32][MAX_INPUTLINE];
  39 int                     key_linepos;
  40 static int      ctrl_down = false;
  41 static int      key_lastpress;
  42 int                     key_insert;     // insert key toggle (for editing)
  43
  44 int         edit_line = 0;
  45 int         history_line = 0;
  46
  47 keydest_t       key_dest;
  48 int                     key_consoleactive;
  49
  50 static int      key_count;                                      // incremented every key event
  51 static int      key_bmap, key_bmap2;
  52
  53 char                            *keybindings[8][1024];
  54 static qboolean         consolekeys[1024];      // if true, can't be rebound while in
  55                                                                                 // console
  56 static qboolean         menubound[1024];                // if true, can't be rebound while in
  57                                                                                 // menu
  58 static unsigned int     key_repeats[1024];      // if > 1, it is autorepeating
  59 static qboolean         keydown[1024];
  60
  61 typedef struct {
  62         const char      *name;
  63         int                     keynum;
  64 } keyname_t;
  65
  66 static const keyname_t   keynames[] = {
  67         {"TAB", K_TAB},
  68         {"ENTER", K_ENTER},
  69         {"ESCAPE", K_ESCAPE},
  70         {"SPACE", K_SPACE},
  71         {"BACKSPACE", K_BACKSPACE},
  72         {"UPARROW", K_UPARROW},
  73         {"DOWNARROW", K_DOWNARROW},
  74         {"LEFTARROW", K_LEFTARROW},
  75         {"RIGHTARROW", K_RIGHTARROW},
  76
  77         {"ALT", K_ALT},
  78         {"CTRL", K_CTRL},
  79         {"SHIFT", K_SHIFT},
  80
  81         {"F1", K_F1},
  82         {"F2", K_F2},
  83         {"F3", K_F3},
  84         {"F4", K_F4},
  85         {"F5", K_F5},
  86         {"F6", K_F6},
  87         {"F7", K_F7},
  88         {"F8", K_F8},
  89         {"F9", K_F9},
  90         {"F10", K_F10},
  91         {"F11", K_F11},
  92         {"F12", K_F12},
  93
  94         {"INS", K_INS},
  95         {"DEL", K_DEL},
  96         {"PGDN", K_PGDN},
  97         {"PGUP", K_PGUP},
  98         {"HOME", K_HOME},
  99         {"END", K_END},
 100
 101         {"PAUSE", K_PAUSE},
 102
 103         {"MWHEELUP", K_MWHEELUP},
 104         {"MWHEELDOWN", K_MWHEELDOWN},
 105
 106         {"MOUSE1", K_MOUSE1},
 107         {"MOUSE2", K_MOUSE2},
 108         {"MOUSE3", K_MOUSE3},
 109         {"MOUSE4", K_MOUSE4},
 110         {"MOUSE5", K_MOUSE5},
 111         {"MOUSE6", K_MOUSE6},
 112         {"MOUSE7", K_MOUSE7},
 113         {"MOUSE8", K_MOUSE8},
 114         {"MOUSE9", K_MOUSE9},
 115         {"MOUSE10", K_MOUSE10},
 116         {"MOUSE11", K_MOUSE11},
 117         {"MOUSE12", K_MOUSE12},
 118         {"MOUSE13", K_MOUSE13},
 119         {"MOUSE14", K_MOUSE14},
 120         {"MOUSE15", K_MOUSE15},
 121         {"MOUSE16", K_MOUSE16},
 122
 123         {"NUMLOCK", K_NUMLOCK},
 124         {"CAPSLOCK", K_CAPSLOCK},
 125         {"SCROLLOCK", K_SCROLLOCK},
 126
 127         {"KP_HOME",                     K_KP_HOME },
 128         {"KP_UPARROW",          K_KP_UPARROW },
 129         {"KP_PGUP",                     K_KP_PGUP },
 130         {"KP_LEFTARROW",        K_KP_LEFTARROW },
 131         {"KP_RIGHTARROW",       K_KP_RIGHTARROW },
 132         {"KP_END",                      K_KP_END },
 133         {"KP_DOWNARROW",        K_KP_DOWNARROW },
 134         {"KP_PGDN",                     K_KP_PGDN },
 135         {"KP_INS",                      K_KP_INS },
 136         {"KP_DEL",                      K_KP_DEL },
 137         {"KP_SLASH",            K_KP_SLASH },
 138
 139         {"KP_0", K_KP_0},
 140         {"KP_1", K_KP_1},
 141         {"KP_2", K_KP_2},
 142         {"KP_3", K_KP_3},
 143         {"KP_4", K_KP_4},
 144         {"KP_5", K_KP_5},
 145         {"KP_6", K_KP_6},
 146         {"KP_7", K_KP_7},
 147         {"KP_8", K_KP_8},
 148         {"KP_9", K_KP_9},
 149         {"KP_PERIOD", K_KP_PERIOD},
 150         {"KP_DIVIDE", K_KP_DIVIDE},
 151         {"KP_MULTIPLY", K_KP_MULTIPLY},
 152         {"KP_MINUS", K_KP_MINUS},
 153         {"KP_PLUS", K_KP_PLUS},
 154         {"KP_ENTER", K_KP_ENTER},
 155         {"KP_EQUALS", K_KP_EQUALS},
 156
 157         {"JOY1",  K_JOY1},
 158         {"JOY2",  K_JOY2},
 159         {"JOY3",  K_JOY3},
 160         {"JOY4",  K_JOY4},
 161         {"JOY5",  K_JOY5},
 162         {"JOY6",  K_JOY6},
 163         {"JOY7",  K_JOY7},
 164         {"JOY8",  K_JOY8},
 165         {"JOY9",  K_JOY9},
 166         {"JOY10", K_JOY10},
 167         {"JOY11", K_JOY11},
 168         {"JOY12", K_JOY12},
 169         {"JOY13", K_JOY13},
 170         {"JOY14", K_JOY14},
 171         {"JOY15", K_JOY15},
 172         {"JOY16", K_JOY16},
 173
 174         {"AUX1", K_AUX1},
 175         {"AUX2", K_AUX2},
 176         {"AUX3", K_AUX3},
 177         {"AUX4", K_AUX4},
 178         {"AUX5", K_AUX5},
 179         {"AUX6", K_AUX6},
 180         {"AUX7", K_AUX7},
 181         {"AUX8", K_AUX8},
 182         {"AUX9", K_AUX9},
 183         {"AUX10", K_AUX10},
 184         {"AUX11", K_AUX11},
 185         {"AUX12", K_AUX12},
 186         {"AUX13", K_AUX13},
 187         {"AUX14", K_AUX14},
 188         {"AUX15", K_AUX15},
 189         {"AUX16", K_AUX16},
 190         {"AUX17", K_AUX17},
 191         {"AUX18", K_AUX18},
 192         {"AUX19", K_AUX19},
 193         {"AUX20", K_AUX20},
 194         {"AUX21", K_AUX21},
 195         {"AUX22", K_AUX22},
 196         {"AUX23", K_AUX23},
 197         {"AUX24", K_AUX24},
 198         {"AUX25", K_AUX25},
 199         {"AUX26", K_AUX26},
 200         {"AUX27", K_AUX27},
 201         {"AUX28", K_AUX28},
 202         {"AUX29", K_AUX29},
 203         {"AUX30", K_AUX30},
 204         {"AUX31", K_AUX31},
 205         {"AUX32", K_AUX32},
 206
 207         {"SEMICOLON", ';'},                     // because a raw semicolon seperates commands
 208         {"TILDE", '~'},
 209         {"BACKQUOTE", '`'},
 210         {"QUOTE", '"'},
 211         {"APOSTROPHE", '\''},
 212
 213         {NULL, 0}
 214 };
 215
 216 /*
 217 ==============================================================================
 218
 219                         LINE TYPING INTO THE CONSOLE
 220
 221 ==============================================================================
 222 */
 223
 224 void
 225 Key_ClearEditLine (int edit_line)
 226 {
 227         memset (key_lines[edit_line], '\0', MAX_INPUTLINE);
 228         key_lines[edit_line][0] = ']';
 229         key_linepos = 1;
 230 }
 231
 232 /*
 233 ====================
 234 Interactive line editing and console scrollback
 235 ====================
 236 */
 237 static void
 238 Key_Console (int key, char ascii)
 239 {
 240         // LordHavoc: copied most of this from Q2 to improve keyboard handling
 241         switch (key)
 242         {
 243         case K_KP_SLASH:
 244                 key = '/';
 245                 break;
 246         case K_KP_MINUS:
 247                 key = '-';
 248                 break;
 249         case K_KP_PLUS:
 250                 key = '+';
 251                 break;
 252         case K_KP_HOME:
 253                 key = '7';
 254                 break;
 255         case K_KP_UPARROW:
 256                 key = '8';
 257                 break;
 258         case K_KP_PGUP:
 259                 key = '9';
 260                 break;
 261         case K_KP_LEFTARROW:
 262                 key = '4';
 263                 break;
 264         case K_KP_5:
 265                 key = '5';
 266                 break;
 267         case K_KP_RIGHTARROW:
 268                 key = '6';
 269                 break;
 270         case K_KP_END:
 271                 key = '1';
 272                 break;
 273         case K_KP_DOWNARROW:
 274                 key = '2';
 275                 break;
 276         case K_KP_PGDN:
 277                 key = '3';
 278                 break;
 279         case K_KP_INS:
 280                 key = '0';
 281                 break;
 282         case K_KP_DEL:
 283                 key = '.';
 284                 break;
 285         }
 286
 287         if ((toupper(key) == 'V' && keydown[K_CTRL]) || ((key == K_INS || key == K_KP_INS) && keydown[K_SHIFT]))
 288         {
 289                 char *cbd;
 290                 if ((cbd = Sys_GetClipboardData()) != 0)
 291                 {
 292                         int i;
 293                         strtok(cbd, "\n\r\b");
 294                         i = strlen(cbd);
 295                         if (i + key_linepos >= MAX_INPUTLINE)
 296                                 i= MAX_INPUTLINE - key_linepos;
 297                         if (i > 0)
 298                         {
 299                                 cbd[i]=0;
 300                                 strcat(key_lines[edit_line], cbd);
 301                                 key_linepos += i;
 302                         }
 303                         free(cbd);
 304                 }
 305                 return;
 306         }
 307
 308         if (key == 'l')
 309         {
 310                 if (keydown[K_CTRL])
 311                 {
 312                         Cbuf_AddText ("clear\n");
 313                         return;
 314                 }
 315         }
 316
 317         if (key == K_ENTER || key == K_KP_ENTER)
 318         {
 319                 Cbuf_AddText (key_lines[edit_line]+1);  // skip the ]
 320                 Cbuf_AddText ("\n");
 321                 Con_Printf("%s\n",key_lines[edit_line]);
 322                 edit_line = (edit_line + 1) & 31;
 323                 history_line = edit_line;
 324                 key_lines[edit_line][0] = ']';
 325                 key_lines[edit_line][1] = 0;    // EvilTypeGuy: null terminate
 326                 key_linepos = 1;
 327                 // force an update, because the command may take some time
 328                 if (cls.state == ca_disconnected)
 329                 {
 330                         CL_UpdateScreen ();
 331                         CL_UpdateScreen ();
 332                 }
 333                 return;
 334         }
 335
 336         if (key == K_TAB)
 337         {
 338                 // Enhanced command completion
 339                 // by EvilTypeGuy eviltypeguy@qeradiant.com
 340                 // Thanks to Fett, Taniwha
 341                 Con_CompleteCommandLine();
 342                 return;
 343         }
 344
 345         // Advanced Console Editing by Radix radix@planetquake.com
 346         // Added/Modified by EvilTypeGuy eviltypeguy@qeradiant.com
 347
 348         // left arrow will just move left one without erasing, backspace will
 349         // actually erase charcter
 350         if (key == K_LEFTARROW || key == K_KP_LEFTARROW)
 351         {
 352                 if (key_linepos > 1)
 353                         key_linepos--;
 354                 return;
 355         }
 356
 357         // delete char before cursor
 358         if (key == K_BACKSPACE || (key == 'h' && keydown[K_CTRL]))
 359         {
 360                 if (key_linepos > 1)
 361                 {
 362                         strcpy(key_lines[edit_line] + key_linepos - 1, key_lines[edit_line] + key_linepos);
 363                         key_linepos--;
 364                 }
 365                 return;
 366         }
 367
 368         // delete char on cursor
 369         if (key == K_DEL || key == K_KP_DEL)
 370         {
 371                 if ((size_t)key_linepos < strlen(key_lines[edit_line]))
 372                         strcpy(key_lines[edit_line] + key_linepos, key_lines[edit_line] + key_linepos + 1);
 373                 return;
 374         }
 375
 376
 377         // if we're at the end, get one character from previous line,
 378         // otherwise just go right one
 379         if (key == K_RIGHTARROW || key == K_KP_RIGHTARROW)
 380         {
 381                 if (strlen(key_lines[edit_line]) == (size_t)key_linepos)
 382                 {
 383                         if (strlen(key_lines[(edit_line + 31) & 31]) <= (size_t)key_linepos)
 384                                 return; // no character to get
 385
 386                         key_lines[edit_line][key_linepos] = key_lines[(edit_line + 31) & 31][key_linepos];
 387                         key_linepos++;
 388                         key_lines[edit_line][key_linepos] = 0;
 389                 }
 390                 else
 391                         key_linepos++;
 392
 393                 return;
 394         }
 395
 396         if (key == K_INS || key == K_KP_INS) // toggle insert mode
 397         {
 398                 key_insert ^= 1;
 399                 return;
 400         }
 401
 402         // End Advanced Console Editing
 403
 404         if (key == K_UPARROW || key == K_KP_UPARROW || (key == 'p' && keydown[K_CTRL]))
 405         {
 406                 do
 407                 {
 408                         history_line = (history_line - 1) & 31;
 409                 } while (history_line != edit_line
 410                                 && !key_lines[history_line][1]);
 411                 if (history_line == edit_line)
 412                         history_line = (edit_line+1)&31;
 413                 strcpy(key_lines[edit_line], key_lines[history_line]);
 414                 key_linepos = strlen(key_lines[edit_line]);
 415                 return;
 416         }
 417
 418         if (key == K_DOWNARROW || key == K_KP_DOWNARROW || (key == 'n' && keydown[K_CTRL]))
 419         {
 420                 if (history_line == edit_line) return;
 421                 do
 422                 {
 423                         history_line = (history_line + 1) & 31;
 424                 }
 425                 while (history_line != edit_line
 426                         && !key_lines[history_line][1]);
 427                 if (history_line == edit_line)
 428                 {
 429                         key_lines[edit_line][0] = ']';
 430                         key_linepos = 1;
 431                 }
 432                 else
 433                 {
 434                         strcpy(key_lines[edit_line], key_lines[history_line]);
 435                         key_linepos = strlen(key_lines[edit_line]);
 436                 }
 437                 return;
 438         }
 439
 440         if (key == K_PGUP || key == K_KP_PGUP || key == K_MWHEELUP)
 441         {
 442                 con_backscroll += ((int) scr_conlines >> 4);
 443                 if (con_backscroll > con_totallines - (vid.conheight>>3) - 1)
 444                         con_backscroll = con_totallines - (vid.conheight>>3) - 1;
 445                 return;
 446         }
 447
 448         if (key == K_PGDN || key == K_KP_PGDN || key == K_MWHEELDOWN)
 449         {
 450                 con_backscroll -= ((int) scr_conlines >> 4);
 451                 if (con_backscroll < 0)
 452                         con_backscroll = 0;
 453                 return;
 454         }
 455
 456         if (key == K_HOME || key == K_KP_HOME)
 457         {
 458                 con_backscroll = con_totallines - (vid.conheight>>3) - 1;
 459                 return;
 460         }
 461
 462         if (key == K_END || key == K_KP_END)
 463         {
 464                 con_backscroll = 0;
 465                 return;
 466         }
 467
 468         // non printable
 469         if (ascii < 32 || ascii > 126)
 470                 return;
 471
 472         if (key_linepos < MAX_INPUTLINE-1)
 473         {
 474                 int i;
 475
 476                 if (key_insert) // check insert mode
 477                 {
 478                         // can't do strcpy to move string to right
 479                         i = strlen(key_lines[edit_line]) - 1;
 480
 481                         if (i == 254)
 482                                 i--;
 483
 484                         for (; i >= key_linepos; i--)
 485                                 key_lines[edit_line][i + 1] = key_lines[edit_line][i];
 486                 }
 487
 488                 // only null terminate if at the end
 489                 i = key_lines[edit_line][key_linepos];
 490                 key_lines[edit_line][key_linepos] = ascii;
 491                 key_linepos++;
 492
 493                 if (!i)
 494                         key_lines[edit_line][key_linepos] = 0;
 495         }
 496 }
 497
 498 //============================================================================
 499
 500 qboolean        chat_team;
 501 char            chat_buffer[MAX_INPUTLINE];
 502 unsigned int    chat_bufferlen = 0;
 503
 504 static void
 505 Key_Message (int key, char ascii)
 506 {
 507
 508         if (key == K_ENTER) {
 509                 if (chat_team)
 510                         Cbuf_AddText ("say_team \"");
 511                 else
 512                         Cbuf_AddText ("say \"");
 513                 Cbuf_AddText (chat_buffer);
 514                 Cbuf_AddText ("\"\n");
 515
 516                 key_dest = key_game;
 517                 chat_bufferlen = 0;
 518                 chat_buffer[0] = 0;
 519                 return;
 520         }
 521
 522         if (key == K_ESCAPE) {
 523                 key_dest = key_game;
 524                 chat_bufferlen = 0;
 525                 chat_buffer[0] = 0;
 526                 return;
 527         }
 528
 529         if (key == K_BACKSPACE) {
 530                 if (chat_bufferlen) {
 531                         chat_bufferlen--;
 532                         chat_buffer[chat_bufferlen] = 0;
 533                 }
 534                 return;
 535         }
 536
 537         if (chat_bufferlen == sizeof (chat_buffer) - 1)
 538                 return;                                                 // all full
 539
 540         if (!ascii)
 541                 return;                                                 // non printable
 542
 543         chat_buffer[chat_bufferlen++] = ascii;
 544         chat_buffer[chat_bufferlen] = 0;
 545 }
 546
 547 //============================================================================
 548
 549
 550 /*
 551 ===================
 552 Returns a key number to be used to index keybindings[] by looking at
 553 the given string.  Single ascii characters return themselves, while
 554 the K_* names are matched up.
 555 ===================
 556 */
 557 static int
 558 Key_StringToKeynum (const char *str)
 559 {
 560         const keyname_t  *kn;
 561
 562         if (!str || !str[0])
 563                 return -1;
 564         if (!str[1])
 565                 return tolower(str[0]);
 566
 567         for (kn = keynames; kn->name; kn++) {
 568                 if (!strcasecmp (str, kn->name))
 569                         return kn->keynum;
 570         }
 571         return -1;
 572 }
 573
 574 /*
 575 ===================
 576 Returns a string (either a single ascii char, or a K_* name) for the
 577 given keynum.
 578 FIXME: handle quote special (general escape sequence?)
 579 ===================
 580 */
 581 const char *
 582 Key_KeynumToString (int keynum)
 583 {
 584         const keyname_t  *kn;
 585         static char tinystr[2];
 586
 587         if (keynum == -1)
 588                 return "<KEY NOT FOUND>";
 589         if (keynum > 32 && keynum < 127) {      // printable ascii
 590                 tinystr[0] = keynum;
 591                 tinystr[1] = 0;
 592                 return tinystr;
 593         }
 594
 595         for (kn = keynames; kn->name; kn++)
 596                 if (keynum == kn->keynum)
 597                         return kn->name;
 598
 599         return "<UNKNOWN KEYNUM>";
 600 }
 601
 602
 603 void
 604 Key_SetBinding (int keynum, int bindmap, const char *binding)
 605 {
 606         char       *new;
 607         int         l;
 608
 609         if (keynum == -1)
 610                 return;
 611
 612 // free old bindings
 613         if (keybindings[bindmap][keynum]) {
 614                 Z_Free (keybindings[bindmap][keynum]);
 615                 keybindings[bindmap][keynum] = NULL;
 616         }
 617 // allocate memory for new binding
 618         l = strlen (binding);
 619         new = Z_Malloc (l + 1);
 620         strcpy (new, binding);
 621         new[l] = 0;
 622         keybindings[bindmap][keynum] = new;
 623 }
 624
 625 static void
 626 Key_In_Unbind_f (void)
 627 {
 628         int         b, m;
 629
 630         if (Cmd_Argc () != 3) {
 631                 Con_Print("in_unbind <bindmap> <key> : remove commands from a key\n");
 632                 return;
 633         }
 634
 635         m = strtol(Cmd_Argv (1), NULL, 0);
 636         if ((m < 0) || (m >= 8)) {
 637                 Con_Printf("%d isn't a valid bindmap\n", m);
 638                 return;
 639         }
 640
 641         b = Key_StringToKeynum (Cmd_Argv (2));
 642         if (b == -1) {
 643                 Con_Printf("\"%s\" isn't a valid key\n", Cmd_Argv (2));
 644                 return;
 645         }
 646
 647         Key_SetBinding (b, m, "");
 648 }
 649
 650 static void
 651 Key_In_Bind_f (void)
 652 {
 653         int         i, c, b, m;
 654         char        cmd[1024];
 655
 656         c = Cmd_Argc ();
 657
 658         if (c != 3 && c != 4) {
 659                 Con_Print("in_bind <bindmap> <key> [command] : attach a command to a key\n");
 660                 return;
 661         }
 662
 663         m = strtol(Cmd_Argv (1), NULL, 0);
 664         if ((m < 0) || (m >= 8)) {
 665                 Con_Printf("%d isn't a valid bindmap\n", m);
 666                 return;
 667         }
 668
 669         b = Key_StringToKeynum (Cmd_Argv (2));
 670         if (b == -1) {
 671                 Con_Printf("\"%s\" isn't a valid key\n", Cmd_Argv (2));
 672                 return;
 673         }
 674
 675         if (c == 3) {
 676                 if (keybindings[m][b])
 677                         Con_Printf("\"%s\" = \"%s\"\n", Cmd_Argv (2), keybindings[m][b]);
 678                 else
 679                         Con_Printf("\"%s\" is not bound\n", Cmd_Argv (2));
 680                 return;
 681         }
 682 // copy the rest of the command line
 683         cmd[0] = 0;                                                     // start out with a null string
 684         for (i = 3; i < c; i++) {
 685                 strlcat (cmd, Cmd_Argv (i), sizeof (cmd));
 686                 if (i != (c - 1))
 687                         strlcat (cmd, " ", sizeof (cmd));
 688         }
 689
 690         Key_SetBinding (b, m, cmd);
 691 }
 692
 693 static void
 694 Key_In_Bindmap_f (void)
 695 {
 696         int         m1, m2, c;
 697
 698         c = Cmd_Argc ();
 699
 700         if (c != 3) {
 701                 Con_Print("in_bindmap <bindmap> <fallback>: set current bindmap and fallback\n");
 702                 return;
 703         }
 704
 705         m1 = strtol(Cmd_Argv (1), NULL, 0);
 706         if ((m1 < 0) || (m1 >= 8)) {
 707                 Con_Printf("%d isn't a valid bindmap\n", m1);
 708                 return;
 709         }
 710
 711         m2 = strtol(Cmd_Argv (2), NULL, 0);
 712         if ((m2 < 0) || (m2 >= 8)) {
 713                 Con_Printf("%d isn't a valid bindmap\n", m2);
 714                 return;
 715         }
 716
 717         key_bmap = m1;
 718         key_bmap2 = m2;
 719 }
 720
 721 static void
 722 Key_Unbind_f (void)
 723 {
 724         int         b;
 725
 726         if (Cmd_Argc () != 2) {
 727                 Con_Print("unbind <key> : remove commands from a key\n");
 728                 return;
 729         }
 730
 731         b = Key_StringToKeynum (Cmd_Argv (1));
 732         if (b == -1) {
 733                 Con_Printf("\"%s\" isn't a valid key\n", Cmd_Argv (1));
 734                 return;
 735         }
 736
 737         Key_SetBinding (b, 0, "");
 738 }
 739
 740 static void
 741 Key_Unbindall_f (void)
 742 {
 743         int         i, j;
 744
 745         for (j = 0; j < 8; j++)
 746                 for (i = 0; i < (int)(sizeof(keybindings[0])/sizeof(keybindings[0][0])); i++)
 747                         if (keybindings[j][i])
 748                                 Key_SetBinding (i, j, "");
 749 }
 750
 751
 752 static void
 753 Key_Bind_f (void)
 754 {
 755         int         i, c, b;
 756         char        cmd[1024];
 757
 758         c = Cmd_Argc ();
 759
 760         if (c != 2 && c != 3) {
 761                 Con_Print("bind <key> [command] : attach a command to a key\n");
 762                 return;
 763         }
 764         b = Key_StringToKeynum (Cmd_Argv (1));
 765         if (b == -1) {
 766                 Con_Printf("\"%s\" isn't a valid key\n", Cmd_Argv (1));
 767                 return;
 768         }
 769
 770         if (c == 2) {
 771                 if (keybindings[0][b])
 772                         Con_Printf("\"%s\" = \"%s\"\n", Cmd_Argv (1), keybindings[0][b]);
 773                 else
 774                         Con_Printf("\"%s\" is not bound\n", Cmd_Argv (1));
 775                 return;
 776         }
 777 // copy the rest of the command line
 778         cmd[0] = 0;                                                     // start out with a null string
 779         for (i = 2; i < c; i++) {
 780                 strlcat (cmd, Cmd_Argv (i), sizeof (cmd));
 781                 if (i != (c - 1))
 782                         strlcat (cmd, " ", sizeof (cmd));
 783         }
 784
 785         Key_SetBinding (b, 0, cmd);
 786 }
 787
 788 /*
 789 ============
 790 Writes lines containing "bind key value"
 791 ============
 792 */
 793 void
 794 Key_WriteBindings (qfile_t *f)
 795 {
 796         int         i, j;
 797
 798         for (i = 0; i < (int)(sizeof(keybindings[0])/sizeof(keybindings[0][0])); i++)
 799                 if (keybindings[0][i])
 800                         FS_Printf(f, "bind %s \"%s\"\n",
 801                                         Key_KeynumToString (i), keybindings[0][i]);
 802         for (j = 1; j < 8; j++)
 803                 for (i = 0; i < (int)(sizeof(keybindings[0])/sizeof(keybindings[0][0])); i++)
 804                         if (keybindings[j][i])
 805                                 FS_Printf(f, "in_bind %d %s \"%s\"\n",
 806                                                 j, Key_KeynumToString (i), keybindings[j][i]);
 807 }
 808
 809
 810 void
 811 Key_Init (void)
 812 {
 813         int         i;
 814
 815         for (i = 0; i < 32; i++) {
 816                 key_lines[i][0] = ']';
 817                 key_lines[i][1] = 0;
 818         }
 819         key_linepos = 1;
 820
 821 //
 822 // init ascii characters in console mode
 823 //
 824         for (i = 32; i < 128; i++)
 825                 consolekeys[i] = true;
 826         consolekeys[K_ENTER] = true; consolekeys[K_KP_ENTER] = true;
 827         consolekeys[K_TAB] = true;
 828         consolekeys[K_LEFTARROW] = true; consolekeys[K_KP_LEFTARROW] = true;
 829         consolekeys[K_RIGHTARROW] = true; consolekeys[K_KP_RIGHTARROW] = true;
 830         consolekeys[K_UPARROW] = true; consolekeys[K_KP_UPARROW] = true;
 831         consolekeys[K_DOWNARROW] = true; consolekeys[K_KP_DOWNARROW] = true;
 832         consolekeys[K_BACKSPACE] = true;
 833         consolekeys[K_DEL] = true; consolekeys[K_KP_DEL] = true;
 834         consolekeys[K_INS] = true; consolekeys[K_KP_INS] = true;
 835         consolekeys[K_HOME] = true; consolekeys[K_KP_HOME] = true;
 836         consolekeys[K_END] = true; consolekeys[K_KP_END] = true;
 837         consolekeys[K_PGUP] = true; consolekeys[K_KP_PGUP] = true;
 838         consolekeys[K_PGDN] = true; consolekeys[K_KP_PGDN] = true;
 839         consolekeys[K_SHIFT] = true;
 840         consolekeys[K_MWHEELUP] = true;
 841         consolekeys[K_MWHEELDOWN] = true;
 842         consolekeys[K_KP_PLUS] = true;
 843         consolekeys[K_KP_MINUS] = true;
 844         consolekeys[K_KP_DIVIDE] = true;
 845         consolekeys[K_KP_MULTIPLY] = true;
 846         consolekeys['`'] = false;
 847         consolekeys['~'] = false;
 848
 849         menubound[K_ESCAPE] = true;
 850         for (i = 0; i < 12; i++)
 851                 menubound[K_F1 + i] = true;
 852
 853 //
 854 // register our functions
 855 //
 856         Cmd_AddCommand ("in_bind", Key_In_Bind_f);
 857         Cmd_AddCommand ("in_unbind", Key_In_Unbind_f);
 858         Cmd_AddCommand ("in_bindmap", Key_In_Bindmap_f);
 859
 860         Cmd_AddCommand ("bind", Key_Bind_f);
 861         Cmd_AddCommand ("unbind", Key_Unbind_f);
 862         Cmd_AddCommand ("unbindall", Key_Unbindall_f);
 863 }
 864
 865
 866 /*
 867 ===================
 868 Called by the system between frames for both key up and key down events
 869 Should NOT be called during an interrupt!
 870 ===================
 871 */
 872 void
 873 Key_Event (int key, char ascii, qboolean down)
 874 {
 875         const char      *kb;
 876         char            cmd[1024];
 877
 878         keydown[key] = down;
 879
 880         if (!down)
 881                 key_repeats[key] = 0;
 882
 883         key_lastpress = key;
 884         key_count++;
 885         if (key_count <= 0) {
 886                 return;                                                 // just catching keys for Con_NotifyBox
 887         }
 888
 889         // update auto-repeat status
 890         if (down) {
 891                 key_repeats[key]++;
 892                 if (key_repeats[key] > 1) {
 893                         if ((key_consoleactive && !consolekeys[key]) ||
 894                                         (!key_consoleactive && key_dest == key_game &&
 895                                          (cls.state == ca_connected && cls.signon == SIGNONS)))
 896                                 return;                                         // ignore most autorepeats
 897                 }
 898         }
 899
 900         if (key == K_CTRL)
 901                 ctrl_down = down;
 902
 903         //
 904         // handle escape specially, so the user can never unbind it
 905         //
 906         if (key == K_ESCAPE) {
 907                 if (!down)
 908                         return;
 909                 switch (key_dest) {
 910                         case key_message:
 911                                 Key_Message (key, ascii);
 912                                 break;
 913                         case key_menu:
 914                                 MR_Keydown (key, ascii);
 915                                 break;
 916                         case key_game:
 917                                 MR_ToggleMenu_f ();
 918                                 break;
 919                         default:
 920                                 if(UI_Callback_IsSlotUsed(key_dest - 3))
 921                                         UI_Callback_KeyDown (key, ascii);
 922                                 else
 923                                         Sys_Error ("Bad key_dest");
 924                 }
 925                 return;
 926         }
 927
 928         // console key is hardcoded, so the user can never unbind it
 929         if (key == '`' || key == '~')
 930         {
 931                 if (down)
 932                         Con_ToggleConsole_f ();
 933                 return;
 934         }
 935
 936         if (down)
 937         {
 938                 if (!(kb = keybindings[key_bmap][key]))
 939                         kb = keybindings[key_bmap2][key];
 940                 if (kb && !strncmp(kb, "toggleconsole", strlen("toggleconsole")))
 941                 {
 942                         Cbuf_AddText (kb);
 943                         Cbuf_AddText ("\n");
 944                         return;
 945                 }
 946         }
 947
 948         if (key_consoleactive && consolekeys[key] && down)
 949                 Key_Console (key, ascii);
 950         else
 951         {
 952                 //
 953                 // key up events only generate commands if the game key binding is a button
 954                 // command (leading + sign).  These will occur even in console mode, to
 955                 // keep the character from continuing an action started before a console
 956                 // switch.  Button commands include the kenum as a parameter, so multiple
 957                 // downs can be matched with ups
 958                 //
 959                 if (!down) {
 960                         if (!(kb = keybindings[key_bmap][key]))
 961                                 kb = keybindings[key_bmap2][key];
 962
 963                         if (kb && kb[0] == '+') {
 964                                 snprintf (cmd, sizeof(cmd), "-%s %i\n", kb + 1, key);
 965                                 Cbuf_AddText (cmd);
 966                         }
 967                         return;
 968                 }
 969
 970                 //
 971                 // during demo playback, most keys bring up the main menu
 972                 //
 973                 if (cls.demoplayback && down && consolekeys[key] && key_dest == key_game) {
 974                         MR_ToggleMenu_f ();
 975                         return;
 976                 }
 977
 978                 //
 979                 // if not a consolekey, send to the interpreter no matter what mode is
 980                 //
 981                 if ((key_dest == key_menu && menubound[key])
 982                                 || (key_consoleactive && !consolekeys[key])
 983                                 || (key_dest == key_game &&
 984                                         ((cls.state == ca_connected) || !consolekeys[key]))) {
 985                         if (!(kb = keybindings[key_bmap][key]))
 986                                 kb = keybindings[key_bmap2][key];
 987                         if (kb) {
 988                                 if (kb[0] == '+') {                     // button commands add keynum as a parm
 989                                         snprintf (cmd, sizeof(cmd), "%s %i\n", kb, key);
 990                                         Cbuf_AddText (cmd);
 991                                 } else {
 992                                         Cbuf_AddText (kb);
 993                                         Cbuf_AddText ("\n");
 994                                 }
 995                         }
 996                         return;
 997                 }
 998
 999                 if (!down)
1000                         return;                                                 // other systems only care about key
1001                 // down events
1002
1003                 switch (key_dest) {
1004                         case key_message:
1005                                 Key_Message (key, ascii);
1006                                 break;
1007                         case key_menu:
1008                                 MR_Keydown (key, ascii);
1009                                 break;
1010
1011                         case key_game:
1012                                 Key_Console (key, ascii);
1013                                 break;
1014                         default:
1015                                 if(UI_Callback_IsSlotUsed(key_dest - 3))
1016                                         UI_Callback_KeyDown (key, ascii);
1017                                 else
1018                                         Sys_Error ("Bad key_dest");
1019                 }
1020         }
1021 }
1022
1023 /*
1024 ===================
1025 Key_ClearStates
1026 ===================
1027 */
1028 void
1029 Key_ClearStates (void)
1030 {
1031         int i;
1032
1033         for (i = 0; i < (int)(sizeof(keydown)/sizeof(keydown[0])); i++)
1034         {
1035                 keydown[i] = false;
1036                 key_repeats[i] = 0;
1037         }
1038 }