keys.c

   1 /*
   2         Copyright (C) 1996-1997  Id Software, Inc.
   3
   4         This program is free software; you can redistribute it and/or
   5         modify it under the terms of the GNU General Public License
   6         as published by the Free Software Foundation; either version 2
   7         of the License, or (at your option) any later version.
   8
   9         This program is distributed in the hope that it will be useful,
  10         but WITHOUT ANY WARRANTY; without even the implied warranty of
  11         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13         See the GNU General Public License for more details.
  14
  15         You should have received a copy of the GNU General Public License
  16         along with this program; if not, write to:
  17
  18                 Free Software Foundation, Inc.
  19                 59 Temple Place - Suite 330
  20                 Boston, MA  02111-1307, USA
  21 */
  22
  23 #include "quakedef.h"
  24 #include "cl_video.h"
  25
  26 cvar_t con_closeontoggleconsole = {CVAR_SAVE, "con_closeontoggleconsole","1", "allows toggleconsole binds to close the console as well"};
  27
  28 /*
  29 key up events are sent even if in console mode
  30 */
  31
  32 char            key_line[MAX_INPUTLINE];
  33 int                     key_linepos;
  34 qboolean        key_insert = true;      // insert key toggle (for editing)
  35 keydest_t       key_dest;
  36 int                     key_consoleactive;
  37 char            *keybindings[MAX_BINDMAPS][MAX_KEYS];
  38 int         history_line;
  39 char            history_savedline[MAX_INPUTLINE];
  40 conbuffer_t history;
  41 #define HIST_TEXTSIZE 262144
  42 #define HIST_MAXLINES 4096
  43
  44 static void Key_History_Init()
  45 {
  46         qfile_t *historyfile;
  47         ConBuffer_Init(&history, HIST_TEXTSIZE, HIST_MAXLINES, zonemempool);
  48
  49         historyfile = FS_OpenRealFile("darkplaces_history.txt", "rb", false); // rb to handle unix line endings on windows too
  50         if(historyfile)
  51         {
  52                 char buf[MAX_INPUTLINE];
  53                 int bufpos;
  54                 int c;
  55
  56                 bufpos = 0;
  57                 for(;;)
  58                 {
  59                         c = FS_Getc(historyfile);
  60                         if(c < 0 || c == 0 || c == '\r' || c == '\n')
  61                         {
  62                                 if(bufpos > 0)
  63                                 {
  64                                         buf[bufpos] = 0;
  65                                         ConBuffer_AddLine(&history, buf, bufpos, 0);
  66                                         bufpos = 0;
  67                                 }
  68                                 if(c < 0)
  69                                         break;
  70                         }
  71                         else
  72                         {
  73                                 if(bufpos < MAX_INPUTLINE - 1)
  74                                         buf[bufpos++] = c;
  75                         }
  76                 }
  77
  78                 FS_Close(historyfile);
  79         }
  80
  81         history_line = -1;
  82 }
  83
  84 static void Key_History_Shutdown()
  85 {
  86         // TODO write history to a file
  87
  88         qfile_t *historyfile = FS_OpenRealFile("darkplaces_history.txt", "w", false);
  89         if(historyfile)
  90         {
  91                 int i;
  92                 for(i = 0; i < CONBUFFER_LINES_COUNT(&history); ++i)
  93                         FS_Printf(historyfile, "%s\n", ConBuffer_GetLine(&history, i));
  94                 FS_Close(historyfile);
  95         }
  96
  97         ConBuffer_Shutdown(&history);
  98 }
  99
 100 static void Key_History_Push()
 101 {
 102         if(key_line[1]) // empty?
 103         if(strcmp(key_line, "]quit")) // putting these into the history just sucks
 104         if(strncmp(key_line, "]quit ", 6)) // putting these into the history just sucks
 105                 ConBuffer_AddLine(&history, key_line + 1, strlen(key_line) - 1, 0);
 106         Con_Printf("%s\n", key_line); // don't mark empty lines as history
 107         history_line = -1;
 108 }
 109
 110 static void Key_History_Up()
 111 {
 112         if(history_line == -1) // editing the "new" line
 113                 strlcpy(history_savedline, key_line + 1, sizeof(history_savedline));
 114
 115         if(history_line == -1)
 116         {
 117                 history_line = CONBUFFER_LINES_COUNT(&history) - 1;
 118                 if(history_line != -1)
 119                 {
 120                         strlcpy(key_line + 1, ConBuffer_GetLine(&history, history_line), sizeof(key_line) - 1);
 121                         key_linepos = strlen(key_line);
 122                 }
 123         }
 124         else if(history_line > 0)
 125         {
 126                 --history_line; // this also does -1 -> 0, so it is good
 127                 strlcpy(key_line + 1, ConBuffer_GetLine(&history, history_line), sizeof(key_line) - 1);
 128                 key_linepos = strlen(key_line);
 129         }
 130 }
 131
 132 static void Key_History_Down()
 133 {
 134         if(history_line == -1) // editing the "new" line
 135                 return;
 136
 137         if(history_line < CONBUFFER_LINES_COUNT(&history) - 1)
 138         {
 139                 ++history_line;
 140                 strlcpy(key_line + 1, ConBuffer_GetLine(&history, history_line), sizeof(key_line) - 1);
 141         }
 142         else
 143         {
 144                 history_line = -1;
 145                 strlcpy(key_line + 1, history_savedline, sizeof(key_line) - 1);
 146         }
 147
 148         key_linepos = strlen(key_line);
 149 }
 150
 151 static int      key_bmap, key_bmap2;
 152 static unsigned char keydown[MAX_KEYS]; // 0 = up, 1 = down, 2 = repeating
 153
 154 typedef struct keyname_s
 155 {
 156         const char      *name;
 157         int                     keynum;
 158 }
 159 keyname_t;
 160
 161 static const keyname_t   keynames[] = {
 162         {"TAB", K_TAB},
 163         {"ENTER", K_ENTER},
 164         {"ESCAPE", K_ESCAPE},
 165         {"SPACE", K_SPACE},
 166
 167         // spacer so it lines up with keys.h
 168
 169         {"BACKSPACE", K_BACKSPACE},
 170         {"UPARROW", K_UPARROW},
 171         {"DOWNARROW", K_DOWNARROW},
 172         {"LEFTARROW", K_LEFTARROW},
 173         {"RIGHTARROW", K_RIGHTARROW},
 174
 175         {"ALT", K_ALT},
 176         {"CTRL", K_CTRL},
 177         {"SHIFT", K_SHIFT},
 178
 179         {"F1", K_F1},
 180         {"F2", K_F2},
 181         {"F3", K_F3},
 182         {"F4", K_F4},
 183         {"F5", K_F5},
 184         {"F6", K_F6},
 185         {"F7", K_F7},
 186         {"F8", K_F8},
 187         {"F9", K_F9},
 188         {"F10", K_F10},
 189         {"F11", K_F11},
 190         {"F12", K_F12},
 191
 192         {"INS", K_INS},
 193         {"DEL", K_DEL},
 194         {"PGDN", K_PGDN},
 195         {"PGUP", K_PGUP},
 196         {"HOME", K_HOME},
 197         {"END", K_END},
 198
 199         {"PAUSE", K_PAUSE},
 200
 201         {"NUMLOCK", K_NUMLOCK},
 202         {"CAPSLOCK", K_CAPSLOCK},
 203         {"SCROLLOCK", K_SCROLLOCK},
 204
 205         {"KP_INS",                      K_KP_INS },
 206         {"KP_0", K_KP_0},
 207         {"KP_END",                      K_KP_END },
 208         {"KP_1", K_KP_1},
 209         {"KP_DOWNARROW",        K_KP_DOWNARROW },
 210         {"KP_2", K_KP_2},
 211         {"KP_PGDN",                     K_KP_PGDN },
 212         {"KP_3", K_KP_3},
 213         {"KP_LEFTARROW",        K_KP_LEFTARROW },
 214         {"KP_4", K_KP_4},
 215         {"KP_5", K_KP_5},
 216         {"KP_RIGHTARROW",       K_KP_RIGHTARROW },
 217         {"KP_6", K_KP_6},
 218         {"KP_HOME",                     K_KP_HOME },
 219         {"KP_7", K_KP_7},
 220         {"KP_UPARROW",          K_KP_UPARROW },
 221         {"KP_8", K_KP_8},
 222         {"KP_PGUP",                     K_KP_PGUP },
 223         {"KP_9", K_KP_9},
 224         {"KP_DEL",                      K_KP_DEL },
 225         {"KP_PERIOD", K_KP_PERIOD},
 226         {"KP_SLASH",            K_KP_SLASH },
 227         {"KP_DIVIDE", K_KP_DIVIDE},
 228         {"KP_MULTIPLY", K_KP_MULTIPLY},
 229         {"KP_MINUS", K_KP_MINUS},
 230         {"KP_PLUS", K_KP_PLUS},
 231         {"KP_ENTER", K_KP_ENTER},
 232         {"KP_EQUALS", K_KP_EQUALS},
 233
 234
 235
 236         {"MOUSE1", K_MOUSE1},
 237
 238         {"MOUSE2", K_MOUSE2},
 239         {"MOUSE3", K_MOUSE3},
 240         {"MWHEELUP", K_MWHEELUP},
 241         {"MWHEELDOWN", K_MWHEELDOWN},
 242         {"MOUSE4", K_MOUSE4},
 243         {"MOUSE5", K_MOUSE5},
 244         {"MOUSE6", K_MOUSE6},
 245         {"MOUSE7", K_MOUSE7},
 246         {"MOUSE8", K_MOUSE8},
 247         {"MOUSE9", K_MOUSE9},
 248         {"MOUSE10", K_MOUSE10},
 249         {"MOUSE11", K_MOUSE11},
 250         {"MOUSE12", K_MOUSE12},
 251         {"MOUSE13", K_MOUSE13},
 252         {"MOUSE14", K_MOUSE14},
 253         {"MOUSE15", K_MOUSE15},
 254         {"MOUSE16", K_MOUSE16},
 255
 256
 257
 258
 259         {"JOY1",  K_JOY1},
 260         {"JOY2",  K_JOY2},
 261         {"JOY3",  K_JOY3},
 262         {"JOY4",  K_JOY4},
 263         {"JOY5",  K_JOY5},
 264         {"JOY6",  K_JOY6},
 265         {"JOY7",  K_JOY7},
 266         {"JOY8",  K_JOY8},
 267         {"JOY9",  K_JOY9},
 268         {"JOY10", K_JOY10},
 269         {"JOY11", K_JOY11},
 270         {"JOY12", K_JOY12},
 271         {"JOY13", K_JOY13},
 272         {"JOY14", K_JOY14},
 273         {"JOY15", K_JOY15},
 274         {"JOY16", K_JOY16},
 275
 276
 277
 278
 279
 280
 281         {"AUX1", K_AUX1},
 282         {"AUX2", K_AUX2},
 283         {"AUX3", K_AUX3},
 284         {"AUX4", K_AUX4},
 285         {"AUX5", K_AUX5},
 286         {"AUX6", K_AUX6},
 287         {"AUX7", K_AUX7},
 288         {"AUX8", K_AUX8},
 289         {"AUX9", K_AUX9},
 290         {"AUX10", K_AUX10},
 291         {"AUX11", K_AUX11},
 292         {"AUX12", K_AUX12},
 293         {"AUX13", K_AUX13},
 294         {"AUX14", K_AUX14},
 295         {"AUX15", K_AUX15},
 296         {"AUX16", K_AUX16},
 297         {"AUX17", K_AUX17},
 298         {"AUX18", K_AUX18},
 299         {"AUX19", K_AUX19},
 300         {"AUX20", K_AUX20},
 301         {"AUX21", K_AUX21},
 302         {"AUX22", K_AUX22},
 303         {"AUX23", K_AUX23},
 304         {"AUX24", K_AUX24},
 305         {"AUX25", K_AUX25},
 306         {"AUX26", K_AUX26},
 307         {"AUX27", K_AUX27},
 308         {"AUX28", K_AUX28},
 309         {"AUX29", K_AUX29},
 310         {"AUX30", K_AUX30},
 311         {"AUX31", K_AUX31},
 312         {"AUX32", K_AUX32},
 313
 314         {"SEMICOLON", ';'},                     // because a raw semicolon separates commands
 315         {"TILDE", '~'},
 316         {"BACKQUOTE", '`'},
 317         {"QUOTE", '"'},
 318         {"APOSTROPHE", '\''},
 319         {"BACKSLASH", '\\'},            // because a raw backslash is used for special characters
 320
 321         {NULL, 0}
 322 };
 323
 324 /*
 325 ==============================================================================
 326
 327                         LINE TYPING INTO THE CONSOLE
 328
 329 ==============================================================================
 330 */
 331
 332 void
 333 Key_ClearEditLine (int edit_line)
 334 {
 335         memset (key_line, '\0', sizeof(key_line));
 336         key_line[0] = ']';
 337         key_linepos = 1;
 338 }
 339
 340 /*
 341 ====================
 342 Interactive line editing and console scrollback
 343 ====================
 344 */
 345 static void
 346 Key_Console (int key, int ascii)
 347 {
 348         // LordHavoc: copied most of this from Q2 to improve keyboard handling
 349         switch (key)
 350         {
 351         case K_KP_SLASH:
 352                 key = '/';
 353                 break;
 354         case K_KP_MINUS:
 355                 key = '-';
 356                 break;
 357         case K_KP_PLUS:
 358                 key = '+';
 359                 break;
 360         case K_KP_HOME:
 361                 key = '7';
 362                 break;
 363         case K_KP_UPARROW:
 364                 key = '8';
 365                 break;
 366         case K_KP_PGUP:
 367                 key = '9';
 368                 break;
 369         case K_KP_LEFTARROW:
 370                 key = '4';
 371                 break;
 372         case K_KP_5:
 373                 key = '5';
 374                 break;
 375         case K_KP_RIGHTARROW:
 376                 key = '6';
 377                 break;
 378         case K_KP_END:
 379                 key = '1';
 380                 break;
 381         case K_KP_DOWNARROW:
 382                 key = '2';
 383                 break;
 384         case K_KP_PGDN:
 385                 key = '3';
 386                 break;
 387         case K_KP_INS:
 388                 key = '0';
 389                 break;
 390         case K_KP_DEL:
 391                 key = '.';
 392                 break;
 393         }
 394
 395         if ((toupper(key) == 'V' && keydown[K_CTRL]) || ((key == K_INS || key == K_KP_INS) && keydown[K_SHIFT]))
 396         {
 397                 char *cbd, *p;
 398                 if ((cbd = Sys_GetClipboardData()) != 0)
 399                 {
 400                         int i;
 401 #if 1
 402                         p = cbd;
 403                         while (*p)
 404                         {
 405                                 if (*p == '\n' || *p == '\r' || *p == '\b')
 406                                 {
 407                                         *p++ = 0;
 408                                         break;
 409                                 }
 410                                 p++;
 411                         }
 412 #else
 413                         strtok(cbd, "\n\r\b");
 414 #endif
 415                         i = (int)strlen(cbd);
 416                         if (i + key_linepos >= MAX_INPUTLINE)
 417                                 i= MAX_INPUTLINE - key_linepos - 1;
 418                         if (i > 0)
 419                         {
 420                                 // terencehill: insert the clipboard text between the characters of the line
 421                                 char *temp = Z_Malloc(MAX_INPUTLINE);
 422                                 cbd[i]=0;
 423                                 temp[0]=0;
 424                                 if ( key_linepos < (int)strlen(key_line) )
 425                                         strlcpy(temp, key_line + key_linepos, (int)strlen(key_line) - key_linepos +1);
 426                                 key_line[key_linepos] = 0;
 427                                 strlcat(key_line, cbd, sizeof(key_line));
 428                                 if (temp[0])
 429                                         strlcat(key_line, temp, sizeof(key_line));
 430                                 Z_Free(temp);
 431                                 key_linepos += i;
 432                         }
 433                         Z_Free(cbd);
 434                 }
 435                 return;
 436         }
 437
 438         if (key == 'l')
 439         {
 440                 if (keydown[K_CTRL])
 441                 {
 442                         Cbuf_AddText ("clear\n");
 443                         return;
 444                 }
 445         }
 446
 447         if (key == K_ENTER || key == K_KP_ENTER)
 448         {
 449                 Cbuf_AddText (key_line+1);      // skip the ]
 450                 Cbuf_AddText ("\n");
 451                 Key_History_Push();
 452                 key_line[0] = ']';
 453                 key_line[1] = 0;        // EvilTypeGuy: null terminate
 454                 key_linepos = 1;
 455                 // force an update, because the command may take some time
 456                 if (cls.state == ca_disconnected)
 457                         CL_UpdateScreen ();
 458                 return;
 459         }
 460
 461         if (key == K_TAB)
 462         {
 463                 // Enhanced command completion
 464                 // by EvilTypeGuy eviltypeguy@qeradiant.com
 465                 // Thanks to Fett, Taniwha
 466                 Con_CompleteCommandLine();
 467                 return;
 468         }
 469
 470         // Advanced Console Editing by Radix radix@planetquake.com
 471         // Added/Modified by EvilTypeGuy eviltypeguy@qeradiant.com
 472         // Enhanced by [515]
 473         // Enhanced by terencehill
 474
 475         // move cursor to the previous character
 476         if (key == K_LEFTARROW || key == K_KP_LEFTARROW)
 477         {
 478                 if (key_linepos < 2)
 479                         return;
 480                 if(keydown[K_CTRL]) // move cursor to the previous word
 481                 {
 482                         int             pos;
 483                         char    k;
 484                         pos = key_linepos-1;
 485                         if(pos)
 486                                 while(--pos)
 487                                 {
 488                                         k = key_line[pos];
 489                                         if(k == '\"' || k == ';' || k == ' ' || k == '\'')
 490                                                 break;
 491                                 }
 492                         key_linepos = pos + 1;
 493                 }
 494                 else if(keydown[K_SHIFT]) // move cursor to the previous character ignoring colors
 495                 {
 496                         int             pos;
 497                         pos = key_linepos-1;
 498                         while (pos)
 499                                 if(pos-1 > 0 && key_line[pos-1] == STRING_COLOR_TAG && isdigit(key_line[pos]))
 500                                         pos-=2;
 501                                 else if(pos-4 > 0 && key_line[pos-4] == STRING_COLOR_TAG && key_line[pos-3] == STRING_COLOR_RGB_TAG_CHAR
 502                                                 && isxdigit(key_line[pos-2]) && isxdigit(key_line[pos-1]) && isxdigit(key_line[pos]))
 503                                         pos-=5;
 504                                 else
 505                                 {
 506                                         pos--;
 507                                         break;
 508                                 }
 509                         key_linepos = pos + 1;
 510                 }
 511                 else
 512                         key_linepos--;
 513                 return;
 514         }
 515
 516         // delete char before cursor
 517         if (key == K_BACKSPACE || (key == 'h' && keydown[K_CTRL]))
 518         {
 519                 if (key_linepos > 1)
 520                 {
 521                         strlcpy(key_line + key_linepos - 1, key_line + key_linepos, sizeof(key_line) + 1 - key_linepos);
 522                         key_linepos--;
 523                 }
 524                 return;
 525         }
 526
 527         // delete char on cursor
 528         if (key == K_DEL || key == K_KP_DEL)
 529         {
 530                 size_t linelen;
 531                 linelen = strlen(key_line);
 532                 if (key_linepos < (int)linelen)
 533                         memmove(key_line + key_linepos, key_line + key_linepos + 1, linelen - key_linepos);
 534                 return;
 535         }
 536
 537
 538         // move cursor to the next character
 539         if (key == K_RIGHTARROW || key == K_KP_RIGHTARROW)
 540         {
 541                 if (key_linepos >= (int)strlen(key_line))
 542                         return;
 543                 if(keydown[K_CTRL]) // move cursor to the next word
 544                 {
 545                         int             pos, len;
 546                         char    k;
 547                         len = (int)strlen(key_line);
 548                         pos = key_linepos;
 549                         while(++pos < len)
 550                         {
 551                                 k = key_line[pos];
 552                                 if(k == '\"' || k == ';' || k == ' ' || k == '\'')
 553                                         break;
 554                         }
 555                         key_linepos = pos;
 556                 }
 557                 else if(keydown[K_SHIFT]) // move cursor to the next character ignoring colors
 558                 {
 559                         int             pos, len;
 560                         len = (int)strlen(key_line);
 561                         pos = key_linepos;
 562                         // check if there is a color tag right after the cursor
 563                         if (key_line[pos] == STRING_COLOR_TAG)
 564                         {
 565                                 if(isdigit(key_line[pos+1]))
 566                                         pos+=1;
 567                                 else if(key_line[pos+1] == STRING_COLOR_RGB_TAG_CHAR && isxdigit(key_line[pos+2]) && isxdigit(key_line[pos+3]) && isxdigit(key_line[pos+4]))
 568                                         pos+=4;
 569                         }
 570                         pos++;
 571
 572                         // now go beyond all next consecutive color tags, if any
 573                         if(pos < len)
 574                                 while (key_line[pos] == STRING_COLOR_TAG)
 575                                 {
 576                                         if(isdigit(key_line[pos+1]))
 577                                                 pos+=2;
 578                                         else if(key_line[pos+1] == STRING_COLOR_RGB_TAG_CHAR && isxdigit(key_line[pos+2]) && isxdigit(key_line[pos+3]) && isxdigit(key_line[pos+4]))
 579                                                 pos+=5;
 580                                         else
 581                                                 break;
 582                                 }
 583                         key_linepos = pos;
 584                 }
 585                 else
 586                         key_linepos++;
 587                 return;
 588         }
 589
 590         if (key == K_INS || key == K_KP_INS) // toggle insert mode
 591         {
 592                 key_insert ^= 1;
 593                 return;
 594         }
 595
 596         // End Advanced Console Editing
 597
 598         if (key == K_UPARROW || key == K_KP_UPARROW || (key == 'p' && keydown[K_CTRL]))
 599         {
 600                 Key_History_Up();
 601                 return;
 602         }
 603
 604         if (key == K_DOWNARROW || key == K_KP_DOWNARROW || (key == 'n' && keydown[K_CTRL]))
 605         {
 606                 Key_History_Down();
 607                 return;
 608         }
 609
 610         if (key == K_PGUP || key == K_KP_PGUP || key == K_MWHEELUP)
 611         {
 612                 if(keydown[K_CTRL])
 613                 {
 614                         con_backscroll += 3;
 615                 }
 616                 else
 617                         con_backscroll += ((int) vid_conheight.integer >> 5);
 618                 return;
 619         }
 620
 621         if (key == K_PGDN || key == K_KP_PGDN || key == K_MWHEELDOWN)
 622         {
 623                 if(keydown[K_CTRL])
 624                 {
 625                         con_backscroll -= 3;
 626                 }
 627                 else
 628                         con_backscroll -= ((int) vid_conheight.integer >> 5);
 629                 return;
 630         }
 631
 632         if (key == K_HOME || key == K_KP_HOME)
 633         {
 634                 if (keydown[K_CTRL])
 635                         con_backscroll = INT_MAX;
 636                 else
 637                         key_linepos = 1;
 638                 return;
 639         }
 640
 641         if (key == K_END || key == K_KP_END)
 642         {
 643                 if (keydown[K_CTRL])
 644                         con_backscroll = 0;
 645                 else
 646                         key_linepos = (int)strlen(key_line);
 647                 return;
 648         }
 649
 650         // non printable
 651         if (ascii < 32)
 652                 return;
 653
 654         if (key_linepos < MAX_INPUTLINE-1)
 655         {
 656                 int len;
 657                 len = (int)strlen(&key_line[key_linepos]);
 658                 // check insert mode, or always insert if at end of line
 659                 if (key_insert || len == 0)
 660                 {
 661                         // can't use strcpy to move string to right
 662                         len++;
 663                         memmove(&key_line[key_linepos + 1], &key_line[key_linepos], len);
 664                 }
 665                 key_line[key_linepos] = ascii;
 666                 key_linepos++;
 667         }
 668 }
 669
 670 //============================================================================
 671
 672 int chat_mode;
 673 char            chat_buffer[MAX_INPUTLINE];
 674 unsigned int    chat_bufferlen = 0;
 675
 676 extern int Nicks_CompleteChatLine(char *buffer, size_t size, unsigned int pos);
 677
 678 static void
 679 Key_Message (int key, int ascii)
 680 {
 681
 682         if (key == K_ENTER || ascii == 10 || ascii == 13)
 683         {
 684                 if(chat_mode < 0)
 685                         Cmd_ExecuteString(chat_buffer, src_command); // not Cbuf_AddText to allow semiclons in args; however, this allows no variables then. Use aliases!
 686                 else
 687                         Cmd_ForwardStringToServer(va("%s %s", chat_mode ? "say_team" : "say ", chat_buffer));
 688
 689                 key_dest = key_game;
 690                 chat_bufferlen = 0;
 691                 chat_buffer[0] = 0;
 692                 return;
 693         }
 694
 695         // TODO add support for arrow keys and simple editing
 696
 697         if (key == K_ESCAPE) {
 698                 key_dest = key_game;
 699                 chat_bufferlen = 0;
 700                 chat_buffer[0] = 0;
 701                 return;
 702         }
 703
 704         if (key == K_BACKSPACE) {
 705                 if (chat_bufferlen) {
 706                         chat_bufferlen--;
 707                         chat_buffer[chat_bufferlen] = 0;
 708                 }
 709                 return;
 710         }
 711
 712         if(key == K_TAB) {
 713                 chat_bufferlen = Nicks_CompleteChatLine(chat_buffer, sizeof(chat_buffer), chat_bufferlen);
 714                 return;
 715         }
 716
 717         if (chat_bufferlen == sizeof (chat_buffer) - 1)
 718                 return;                                                 // all full
 719
 720         if (!ascii)
 721                 return;                                                 // non printable
 722
 723         chat_buffer[chat_bufferlen++] = ascii;
 724         chat_buffer[chat_bufferlen] = 0;
 725 }
 726
 727 //============================================================================
 728
 729
 730 /*
 731 ===================
 732 Returns a key number to be used to index keybindings[] by looking at
 733 the given string.  Single ascii characters return themselves, while
 734 the K_* names are matched up.
 735 ===================
 736 */
 737 int
 738 Key_StringToKeynum (const char *str)
 739 {
 740         const keyname_t  *kn;
 741
 742         if (!str || !str[0])
 743                 return -1;
 744         if (!str[1])
 745                 return tolower(str[0]);
 746
 747         for (kn = keynames; kn->name; kn++) {
 748                 if (!strcasecmp (str, kn->name))
 749                         return kn->keynum;
 750         }
 751         return -1;
 752 }
 753
 754 /*
 755 ===================
 756 Returns a string (either a single ascii char, or a K_* name) for the
 757 given keynum.
 758 FIXME: handle quote special (general escape sequence?)
 759 ===================
 760 */
 761 const char *
 762 Key_KeynumToString (int keynum)
 763 {
 764         const keyname_t  *kn;
 765         static char tinystr[2];
 766
 767         // -1 is an invalid code
 768         if (keynum < 0)
 769                 return "<KEY NOT FOUND>";
 770
 771         // search overrides first, because some characters are special
 772         for (kn = keynames; kn->name; kn++)
 773                 if (keynum == kn->keynum)
 774                         return kn->name;
 775
 776         // if it is printable, output it as a single character
 777         if (keynum > 32 && keynum < 256)
 778         {
 779                 tinystr[0] = keynum;
 780                 tinystr[1] = 0;
 781                 return tinystr;
 782         }
 783
 784         // if it is not overridden and not printable, we don't know what to do with it
 785         return "<UNKNOWN KEYNUM>";
 786 }
 787
 788
 789 void
 790 Key_SetBinding (int keynum, int bindmap, const char *binding)
 791 {
 792         char *newbinding;
 793         size_t l;
 794
 795         if (keynum == -1 || keynum >= MAX_KEYS)
 796                 return;
 797
 798 // free old bindings
 799         if (keybindings[bindmap][keynum]) {
 800                 Z_Free (keybindings[bindmap][keynum]);
 801                 keybindings[bindmap][keynum] = NULL;
 802         }
 803         if(!binding[0]) // make "" binds be removed --blub
 804                 return;
 805 // allocate memory for new binding
 806         l = strlen (binding);
 807         newbinding = (char *)Z_Malloc (l + 1);
 808         memcpy (newbinding, binding, l + 1);
 809         newbinding[l] = 0;
 810         keybindings[bindmap][keynum] = newbinding;
 811 }
 812
 813 static void
 814 Key_In_Unbind_f (void)
 815 {
 816         int         b, m;
 817         char *errchar = NULL;
 818
 819         if (Cmd_Argc () != 3) {
 820                 Con_Print("in_unbind <bindmap> <key> : remove commands from a key\n");
 821                 return;
 822         }
 823
 824         m = strtol(Cmd_Argv (1), &errchar, 0);
 825         if ((m < 0) || (m >= 8) || (errchar && *errchar)) {
 826                 Con_Printf("%s isn't a valid bindmap\n", Cmd_Argv(1));
 827                 return;
 828         }
 829
 830         b = Key_StringToKeynum (Cmd_Argv (2));
 831         if (b == -1) {
 832                 Con_Printf("\"%s\" isn't a valid key\n", Cmd_Argv (2));
 833                 return;
 834         }
 835
 836         Key_SetBinding (b, m, "");
 837 }
 838
 839 static void
 840 Key_In_Bind_f (void)
 841 {
 842         int         i, c, b, m;
 843         char        cmd[MAX_INPUTLINE];
 844         char *errchar = NULL;
 845
 846         c = Cmd_Argc ();
 847
 848         if (c != 3 && c != 4) {
 849                 Con_Print("in_bind <bindmap> <key> [command] : attach a command to a key\n");
 850                 return;
 851         }
 852
 853         m = strtol(Cmd_Argv (1), &errchar, 0);
 854         if ((m < 0) || (m >= 8) || (errchar && *errchar)) {
 855                 Con_Printf("%s isn't a valid bindmap\n", Cmd_Argv(1));
 856                 return;
 857         }
 858
 859         b = Key_StringToKeynum (Cmd_Argv (2));
 860         if (b == -1 || b >= MAX_KEYS) {
 861                 Con_Printf("\"%s\" isn't a valid key\n", Cmd_Argv (2));
 862                 return;
 863         }
 864
 865         if (c == 3) {
 866                 if (keybindings[m][b])
 867                         Con_Printf("\"%s\" = \"%s\"\n", Cmd_Argv (2), keybindings[m][b]);
 868                 else
 869                         Con_Printf("\"%s\" is not bound\n", Cmd_Argv (2));
 870                 return;
 871         }
 872 // copy the rest of the command line
 873         cmd[0] = 0;                                                     // start out with a null string
 874         for (i = 3; i < c; i++) {
 875                 strlcat (cmd, Cmd_Argv (i), sizeof (cmd));
 876                 if (i != (c - 1))
 877                         strlcat (cmd, " ", sizeof (cmd));
 878         }
 879
 880         Key_SetBinding (b, m, cmd);
 881 }
 882
 883 static void
 884 Key_In_Bindmap_f (void)
 885 {
 886         int         m1, m2, c;
 887         char *errchar = NULL;
 888
 889         c = Cmd_Argc ();
 890
 891         if (c != 3) {
 892                 Con_Print("in_bindmap <bindmap> <fallback>: set current bindmap and fallback\n");
 893                 return;
 894         }
 895
 896         m1 = strtol(Cmd_Argv (1), &errchar, 0);
 897         if ((m1 < 0) || (m1 >= 8) || (errchar && *errchar)) {
 898                 Con_Printf("%s isn't a valid bindmap\n", Cmd_Argv(1));
 899                 return;
 900         }
 901
 902         m2 = strtol(Cmd_Argv (2), &errchar, 0);
 903         if ((m2 < 0) || (m2 >= 8) || (errchar && *errchar)) {
 904                 Con_Printf("%s isn't a valid bindmap\n", Cmd_Argv(2));
 905                 return;
 906         }
 907
 908         key_bmap = m1;
 909         key_bmap2 = m2;
 910 }
 911
 912 static void
 913 Key_Unbind_f (void)
 914 {
 915         int         b;
 916
 917         if (Cmd_Argc () != 2) {
 918                 Con_Print("unbind <key> : remove commands from a key\n");
 919                 return;
 920         }
 921
 922         b = Key_StringToKeynum (Cmd_Argv (1));
 923         if (b == -1) {
 924                 Con_Printf("\"%s\" isn't a valid key\n", Cmd_Argv (1));
 925                 return;
 926         }
 927
 928         Key_SetBinding (b, 0, "");
 929 }
 930
 931 static void
 932 Key_Unbindall_f (void)
 933 {
 934         int         i, j;
 935
 936         for (j = 0; j < 8; j++)
 937                 for (i = 0; i < (int)(sizeof(keybindings[0])/sizeof(keybindings[0][0])); i++)
 938                         if (keybindings[j][i])
 939                                 Key_SetBinding (i, j, "");
 940 }
 941
 942 static void
 943 Key_PrintBindList(int j)
 944 {
 945         char bindbuf[MAX_INPUTLINE];
 946         const char *p;
 947         int i;
 948
 949         for (i = 0; i < (int)(sizeof(keybindings[0])/sizeof(keybindings[0][0])); i++)
 950         {
 951                 p = keybindings[j][i];
 952                 if (p)
 953                 {
 954                         Cmd_QuoteString(bindbuf, sizeof(bindbuf), p, "\"\\");
 955                         if (j == 0)
 956                                 Con_Printf("^2%s ^7= \"%s\"\n", Key_KeynumToString (i), bindbuf);
 957                         else
 958                                 Con_Printf("^3bindmap %d: ^2%s ^7= \"%s\"\n", j, Key_KeynumToString (i), bindbuf);
 959                 }
 960         }
 961 }
 962
 963 static void
 964 Key_In_BindList_f (void)
 965 {
 966         int m;
 967         char *errchar = NULL;
 968
 969         if(Cmd_Argc() >= 2)
 970         {
 971                 m = strtol(Cmd_Argv(1), &errchar, 0);
 972                 if ((m < 0) || (m >= 8) || (errchar && *errchar)) {
 973                         Con_Printf("%s isn't a valid bindmap\n", Cmd_Argv(1));
 974                         return;
 975                 }
 976                 Key_PrintBindList(m);
 977         }
 978         else
 979         {
 980                 for (m = 0; m < MAX_BINDMAPS; m++)
 981                         Key_PrintBindList(m);
 982         }
 983 }
 984
 985 static void
 986 Key_BindList_f (void)
 987 {
 988         Key_PrintBindList(0);
 989 }
 990
 991 static void
 992 Key_Bind_f (void)
 993 {
 994         int         i, c, b;
 995         char        cmd[MAX_INPUTLINE];
 996
 997         c = Cmd_Argc ();
 998
 999         if (c != 2 && c != 3) {
1000                 Con_Print("bind <key> [command] : attach a command to a key\n");
1001                 return;
1002         }
1003         b = Key_StringToKeynum (Cmd_Argv (1));
1004         if (b == -1 || b >= MAX_KEYS) {
1005                 Con_Printf("\"%s\" isn't a valid key\n", Cmd_Argv (1));
1006                 return;
1007         }
1008
1009         if (c == 2) {
1010                 if (keybindings[0][b])
1011                         Con_Printf("\"%s\" = \"%s\"\n", Cmd_Argv (1), keybindings[0][b]);
1012                 else
1013                         Con_Printf("\"%s\" is not bound\n", Cmd_Argv (1));
1014                 return;
1015         }
1016 // copy the rest of the command line
1017         cmd[0] = 0;                                                     // start out with a null string
1018         for (i = 2; i < c; i++) {
1019                 strlcat (cmd, Cmd_Argv (i), sizeof (cmd));
1020                 if (i != (c - 1))
1021                         strlcat (cmd, " ", sizeof (cmd));
1022         }
1023
1024         Key_SetBinding (b, 0, cmd);
1025 }
1026
1027 /*
1028 ============
1029 Writes lines containing "bind key value"
1030 ============
1031 */
1032 void
1033 Key_WriteBindings (qfile_t *f)
1034 {
1035         int         i, j;
1036         char bindbuf[MAX_INPUTLINE];
1037         const char *p;
1038
1039         for (j = 0; j < MAX_BINDMAPS; j++)
1040         {
1041                 for (i = 0; i < (int)(sizeof(keybindings[0])/sizeof(keybindings[0][0])); i++)
1042                 {
1043                         p = keybindings[j][i];
1044                         if (p)
1045                         {
1046                                 Cmd_QuoteString(bindbuf, sizeof(bindbuf), p, "\"\\");
1047                                 if (j == 0)
1048                                         FS_Printf(f, "bind %s \"%s\"\n", Key_KeynumToString (i), bindbuf);
1049                                 else
1050                                         FS_Printf(f, "in_bind %d %s \"%s\"\n", j, Key_KeynumToString (i), bindbuf);
1051                         }
1052                 }
1053         }
1054 }
1055
1056
1057 void
1058 Key_Init (void)
1059 {
1060         Key_History_Init();
1061         key_line[0] = ']';
1062         key_line[1] = 0;
1063         key_linepos = 1;
1064
1065 //
1066 // register our functions
1067 //
1068         Cmd_AddCommand ("in_bind", Key_In_Bind_f, "binds a command to the specified key in the selected bindmap");
1069         Cmd_AddCommand ("in_unbind", Key_In_Unbind_f, "removes command on the specified key in the selected bindmap");
1070         Cmd_AddCommand ("in_bindlist", Key_In_BindList_f, "bindlist: displays bound keys for all bindmaps, or the given bindmap");
1071         Cmd_AddCommand ("in_bindmap", Key_In_Bindmap_f, "selects active foreground and background (used only if a key is not bound in the foreground) bindmaps for typing");
1072
1073         Cmd_AddCommand ("bind", Key_Bind_f, "binds a command to the specified key in bindmap 0");
1074         Cmd_AddCommand ("unbind", Key_Unbind_f, "removes a command on the specified key in bindmap 0");
1075         Cmd_AddCommand ("bindlist", Key_BindList_f, "bindlist: displays bound keys for bindmap 0 bindmaps");
1076         Cmd_AddCommand ("unbindall", Key_Unbindall_f, "removes all commands from all keys in all bindmaps (leaving only shift-escape and escape)");
1077
1078         Cvar_RegisterVariable (&con_closeontoggleconsole);
1079 }
1080
1081 void
1082 Key_Shutdown (void)
1083 {
1084         Key_History_Shutdown();
1085 }
1086
1087 const char *Key_GetBind (int key)
1088 {
1089         const char *bind;
1090         if (key < 0 || key >= MAX_KEYS)
1091                 return NULL;
1092         bind = keybindings[key_bmap][key];
1093         if (!bind)
1094                 bind = keybindings[key_bmap2][key];
1095         return bind;
1096 }
1097
1098 qboolean CL_VM_InputEvent (qboolean down, int key, int ascii);
1099
1100 /*
1101 ===================
1102 Called by the system between frames for both key up and key down events
1103 Should NOT be called during an interrupt!
1104 ===================
1105 */
1106 static char tbl_keyascii[MAX_KEYS];
1107 static keydest_t tbl_keydest[MAX_KEYS];
1108
1109 void
1110 Key_Event (int key, int ascii, qboolean down)
1111 {
1112         const char *bind;
1113         qboolean q;
1114         keydest_t keydest = key_dest;
1115
1116         if (key < 0 || key >= MAX_KEYS)
1117                 return;
1118
1119         // get key binding
1120         bind = keybindings[key_bmap][key];
1121         if (!bind)
1122                 bind = keybindings[key_bmap2][key];
1123
1124         if (developer.integer >= 1000)
1125                 Con_Printf("Key_Event(%i, '%c', %s) keydown %i bind \"%s\"\n", key, ascii, down ? "down" : "up", keydown[key], bind ? bind : "");
1126
1127         if(key_consoleactive)
1128                 keydest = key_console;
1129
1130         if (down)
1131         {
1132                 // increment key repeat count each time a down is received so that things
1133                 // which want to ignore key repeat can ignore it
1134                 keydown[key] = min(keydown[key] + 1, 2);
1135                 if(keydown[key] == 1) {
1136                         tbl_keyascii[key] = ascii;
1137                         tbl_keydest[key] = keydest;
1138                 } else {
1139                         ascii = tbl_keyascii[key];
1140                         keydest = tbl_keydest[key];
1141                 }
1142         }
1143         else
1144         {
1145                 // clear repeat count now that the key is released
1146                 keydown[key] = 0;
1147                 keydest = tbl_keydest[key];
1148                 ascii = tbl_keyascii[key];
1149         }
1150
1151         if(keydest == key_void)
1152                 return;
1153
1154         // key_consoleactive is a flag not a key_dest because the console is a
1155         // high priority overlay ontop of the normal screen (designed as a safety
1156         // feature so that developers and users can rescue themselves from a bad
1157         // situation).
1158         //
1159         // this also means that toggling the console on/off does not lose the old
1160         // key_dest state
1161
1162         // specially handle escape (togglemenu) and shift-escape (toggleconsole)
1163         // engine bindings, these are not handled as normal binds so that the user
1164         // can recover from a completely empty bindmap
1165         if (key == K_ESCAPE)
1166         {
1167                 // ignore key repeats on escape
1168                 if (keydown[key] > 1)
1169                         return;
1170
1171                 // escape does these things:
1172                 // key_consoleactive - close console
1173                 // key_message - abort messagemode
1174                 // key_menu - go to parent menu (or key_game)
1175                 // key_game - open menu
1176
1177                 // in all modes shift-escape toggles console
1178                 if (keydown[K_SHIFT])
1179                 {
1180                         if(down)
1181                         {
1182                                 Con_ToggleConsole_f ();
1183                                 tbl_keydest[key] = key_void; // esc release should go nowhere (especially not to key_menu or key_game)
1184                         }
1185                         return;
1186                 }
1187
1188                 switch (keydest)
1189                 {
1190                         case key_console:
1191                                 if(down)
1192                                 {
1193                                         if(key_consoleactive & KEY_CONSOLEACTIVE_FORCED)
1194                                         {
1195                                                 key_consoleactive &= ~KEY_CONSOLEACTIVE_USER;
1196                                                 MR_ToggleMenu_f ();
1197                                         }
1198                                         else
1199                                                 Con_ToggleConsole_f();
1200                                 }
1201                                 break;
1202
1203                         case key_message:
1204                                 if (down)
1205                                         Key_Message (key, ascii); // that'll close the message input
1206                                 break;
1207
1208                         case key_menu:
1209                         case key_menu_grabbed:
1210                                 MR_KeyEvent (key, ascii, down);
1211                                 break;
1212
1213                         case key_game:
1214                                 // csqc has priority over toggle menu if it wants to (e.g. handling escape for UI stuff in-game.. :sick:)
1215                                 q = CL_VM_InputEvent(down, key, ascii);
1216                                 if (!q && down)
1217                                         MR_ToggleMenu_f ();
1218                                 break;
1219
1220                         default:
1221                                 Con_Printf ("Key_Event: Bad key_dest\n");
1222                 }
1223                 return;
1224         }
1225
1226         // send function keydowns to interpreter no matter what mode is (unless the menu has specifically grabbed the keyboard, for rebinding keys)
1227         if (keydest != key_menu_grabbed)
1228         if (key >= K_F1 && key <= K_F12)
1229         {
1230                 if (bind)
1231                 {
1232                         if(keydown[key] == 1 && down)
1233                         {
1234                                 // button commands add keynum as a parm
1235                                 if (bind[0] == '+')
1236                                         Cbuf_AddText (va("%s %i\n", bind, key));
1237                                 else
1238                                 {
1239                                         Cbuf_AddText (bind);
1240                                         Cbuf_AddText ("\n");
1241                                 }
1242                         } else if(bind[0] == '+' && !down && keydown[key] == 0)
1243                                 Cbuf_AddText(va("-%s %i\n", bind + 1, key));
1244                 }
1245                 return;
1246         }
1247
1248         // send input to console if it wants it
1249         if (keydest == key_console)
1250         {
1251                 if (!down)
1252                         return;
1253                 // con_closeontoggleconsole enables toggleconsole keys to close the
1254                 // console, as long as they are not the color prefix character
1255                 // (special exemption for german keyboard layouts)
1256                 if (con_closeontoggleconsole.integer && bind && !strncmp(bind, "toggleconsole", strlen("toggleconsole")) && (key_consoleactive & KEY_CONSOLEACTIVE_USER) && ascii != STRING_COLOR_TAG)
1257                 {
1258                         Con_ToggleConsole_f ();
1259                         return;
1260                 }
1261                 Key_Console (key, ascii);
1262                 return;
1263         }
1264
1265         // handle toggleconsole in menu too
1266         if (keydest == key_menu)
1267         {
1268                 if (down && con_closeontoggleconsole.integer && bind && !strncmp(bind, "toggleconsole", strlen("toggleconsole")) && ascii != STRING_COLOR_TAG)
1269                 {
1270                         Con_ToggleConsole_f ();
1271                         tbl_keydest[key] = key_void; // key release should go nowhere (especially not to key_menu or key_game)
1272                         return;
1273                 }
1274         }
1275
1276         // ignore binds while a video is played, let the video system handle the key event
1277         if (cl_videoplaying)
1278         {
1279                 CL_Video_KeyEvent (key, ascii, keydown[key] != 0);
1280                 return;
1281         }
1282
1283         // anything else is a key press into the game, chat line, or menu
1284         switch (keydest)
1285         {
1286                 case key_message:
1287                         if (down)
1288                                 Key_Message (key, ascii);
1289                         break;
1290                 case key_menu:
1291                 case key_menu_grabbed:
1292                         MR_KeyEvent (key, ascii, down);
1293                         break;
1294                 case key_game:
1295                         q = CL_VM_InputEvent(down, key, ascii);
1296                         // ignore key repeats on binds and only send the bind if the event hasnt been already processed by csqc
1297                         if (!q && bind)
1298                         {
1299                                 if(keydown[key] == 1 && down)
1300                                 {
1301                                         // button commands add keynum as a parm
1302                                         if (bind[0] == '+')
1303                                                 Cbuf_AddText (va("%s %i\n", bind, key));
1304                                         else
1305                                         {
1306                                                 Cbuf_AddText (bind);
1307                                                 Cbuf_AddText ("\n");
1308                                         }
1309                                 } else if(bind[0] == '+' && !down && keydown[key] == 0)
1310                                         Cbuf_AddText(va("-%s %i\n", bind + 1, key));
1311                         }
1312                         break;
1313                 default:
1314                         Con_Printf ("Key_Event: Bad key_dest\n");
1315         }
1316 }
1317
1318 /*
1319 ===================
1320 Key_ClearStates
1321 ===================
1322 */
1323 void
1324 Key_ClearStates (void)
1325 {
1326         memset(keydown, 0, sizeof(keydown));
1327 }