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keys.c
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/*
Copyright (C) 1996-1997 Id Software, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
// keys.c
#include "quakedef.h"
/*
key up events are sent even if in console mode
*/
#define HISTORY_FILE "qhistory.log"
char key_lines[CMDLINES][MAX_CMDLINE];
int key_linepos;
int key_lastpress;
int edit_line = 0;
int history_line = 0;
keydest_t key_dest = key_game;
int key_insert = 1; //johnfitz -- insert key toggle (for editing)
int key_count; // incremented every key event
char *keybindings[MAX_KEYS];
int keyshift[MAX_KEYS]; // key to map to if shift held down in console
qboolean consolekeys[MAX_KEYS]; // if true, can't be rebound while in console
qboolean menubound[MAX_KEYS]; // if true, can't be rebound while in menu
qboolean keydown[MAX_KEYS];
typedef struct
{
char *name;
int keynum;
} keyname_t;
keyname_t keynames[] =
{
{"TAB", K_TAB},
{"ENTER", K_ENTER},
{"ESCAPE", K_ESCAPE},
{"SPACE", K_SPACE},
{"BACKSPACE", K_BACKSPACE},
{"PAUSE", K_PAUSE},
{"UPARROW", K_UPARROW},
{"DOWNARROW", K_DOWNARROW},
{"LEFTARROW", K_LEFTARROW},
{"RIGHTARROW", K_RIGHTARROW},
{"ALT", K_ALT},
{"CTRL", K_CTRL},
{"SHIFT", K_SHIFT},
// keypad
{"KP_HOME", K_KP_HOME},
{"KP_UPARROW", K_KP_UPARROW},
{"KP_PGUP", K_KP_PGUP},
{"KP_LEFTARROW", K_KP_LEFTARROW},
{"KP_5", K_KP_5},
{"KP_RIGHTARROW", K_KP_RIGHTARROW},
{"KP_END", K_KP_END},
{"KP_DOWNARROW", K_KP_DOWNARROW},
{"KP_PGDN", K_KP_PGDN},
{"KP_ENTER", K_KP_ENTER},
{"KP_INS", K_KP_INS},
{"KP_DEL", K_KP_DEL},
{"KP_SLASH", K_KP_SLASH},
{"KP_MINUS", K_KP_MINUS},
{"KP_PLUS", K_KP_PLUS},
{"KP_STAR", K_KP_STAR},
{"F1", K_F1},
{"F2", K_F2},
{"F3", K_F3},
{"F4", K_F4},
{"F5", K_F5},
{"F6", K_F6},
{"F7", K_F7},
{"F8", K_F8},
{"F9", K_F9},
{"F10", K_F10},
{"F11", K_F11},
{"F12", K_F12},
{"INS", K_INS},
{"DEL", K_DEL},
{"PGDN", K_PGDN},
{"PGUP", K_PGUP},
{"HOME", K_HOME},
{"END", K_END},
#if defined __APPLE__ && defined __MACH__
{"COMMAND", K_COMMAND},
#endif
{"MOUSE1", K_MOUSE1},
{"MOUSE2", K_MOUSE2},
{"MOUSE3", K_MOUSE3},
{"MOUSE4", K_MOUSE4},
{"MOUSE5", K_MOUSE5},
{"MOUSE6", K_MOUSE6},
{"MOUSE7", K_MOUSE7},
{"MOUSE8", K_MOUSE8},
{"MWHEELUP", K_MWHEELUP},
{"MWHEELDOWN", K_MWHEELDOWN},
{"JOY1", K_JOY1},
{"JOY2", K_JOY2},
{"JOY3", K_JOY3},
{"JOY4", K_JOY4},
{"AUX1", K_AUX1},
{"AUX2", K_AUX2},
{"AUX3", K_AUX3},
{"AUX4", K_AUX4},
{"AUX5", K_AUX5},
{"AUX6", K_AUX6},
{"AUX7", K_AUX7},
{"AUX8", K_AUX8},
{"AUX9", K_AUX9},
{"AUX10", K_AUX10},
{"AUX11", K_AUX11},
{"AUX12", K_AUX12},
{"AUX13", K_AUX13},
{"AUX14", K_AUX14},
{"AUX15", K_AUX15},
{"AUX16", K_AUX16},
{"AUX17", K_AUX17},
{"AUX18", K_AUX18},
{"AUX19", K_AUX19},
{"AUX20", K_AUX20},
{"AUX21", K_AUX21},
{"AUX22", K_AUX22},
{"AUX23", K_AUX23},
{"AUX24", K_AUX24},
{"AUX25", K_AUX25},
{"AUX26", K_AUX26},
{"AUX27", K_AUX27},
{"AUX28", K_AUX28},
{"AUX29", K_AUX29},
{"AUX30", K_AUX30},
{"AUX31", K_AUX31},
{"AUX32", K_AUX32},
{"SEMICOLON", ';'}, // because a raw semicolon seperates commands
// allow binding of backquote/tilde to toggleconsole after unbind all
{"BACKQUOTE", '`'}, // because a raw backquote may toggle the console
{"TILDE", '`'}, // because a raw tilde may toggle the console
// {"TILDE", '~'}, // because a raw tilde may toggle the console (shiftkey)
{NULL, 0} // Baker: Note that this list has null termination
};
extern int con_vislines;
extern char key_tabpartial[MAX_CMDLINE];
extern int con_current, con_linewidth;
extern float scr_con_current;
/*
==============================================================================
LINE TYPING INTO THE CONSOLE
==============================================================================
*/
void K_PasteFromClipboard (void)
{
char *clipboardtext, *p, *keyeditline;
int mvlen, inslen;
if (key_linepos == MAX_CMDLINE-1)
return;
if ((clipboardtext = Sys_GetClipboardData()) == NULL)
return;
p = clipboardtext;
while (*p)
{
if (*p == '\n' || *p == '\r' || *p == '\b')
{
*p = 0;
break;
}
p++;
}
inslen = (int)(p - clipboardtext);
if (inslen + key_linepos > MAX_CMDLINE-1)
inslen = MAX_CMDLINE-1 - key_linepos;
if (inslen <= 0)
goto done;
keyeditline = key_lines[edit_line];
keyeditline += key_linepos;
mvlen = (int)strlen(keyeditline);
if (mvlen + inslen + key_linepos > MAX_CMDLINE-1)
{
mvlen = MAX_CMDLINE-1 - key_linepos - inslen;
if (mvlen < 0)
mvlen = 0;
}
// insert the string
if (mvlen != 0)
memmove (keyeditline + inslen, keyeditline, mvlen);
memcpy (keyeditline, clipboardtext, inslen);
key_linepos += inslen;
keyeditline[mvlen + inslen] = '\0';
done:
Z_Free (clipboardtext);
}
/*
====================
Key_Console
Interactive line editing and console scrollback
====================
*/
void Key_Console (int key)
{
static char currentline[MAX_CMDLINE] = "";
int history_line_last;
size_t len;
char *keyeditline = key_lines[edit_line];
switch (key)
{
case K_ENTER:
case K_KP_ENTER:
key_tabpartial[0] = 0;
Cbuf_AddText (keyeditline+1); // skip the prompt '>'
Cbuf_AddText ("\n");
Con_Printf ("%s\n", keyeditline);
// If the last two lines are identical, skip storing this line in history
// by not incrementing edit_line (don't save same commands multiple times)
if (strcmp(keyeditline, key_lines[(edit_line-1)&(CMDLINES-1)]))
edit_line = (edit_line + 1) & (CMDLINES-1);
history_line = edit_line;
key_lines[edit_line][0] = ']';
key_lines[edit_line][1] = 0; //johnfitz -- otherwise old history items show up in the new edit line
key_linepos = 1;
if (cls.state == ca_disconnected)
SCR_UpdateScreen (); // force an update, because the command may take some time
return;
case K_TAB:
Con_TabComplete ();
return;
case K_BACKSPACE:
key_tabpartial[0] = 0;
if (key_linepos > 1)
{
keyeditline += key_linepos - 1;
if (keyeditline[1])
{
len = strlen(keyeditline);
memmove (keyeditline, keyeditline + 1, len);
}
else
*keyeditline = 0;
key_linepos--;
}
return;
case K_INS:
if (keydown[K_SHIFT]) /* Shift-Ins paste */
K_PasteFromClipboard ();
else
key_insert ^= 1; // joe: toggle insert mode
return;
case K_DEL:
key_tabpartial[0] = 0;
keyeditline += key_linepos;
if (*keyeditline)
{
if (keyeditline[1])
{
len = strlen(keyeditline);
memmove (keyeditline, keyeditline + 1, len);
}
else
*keyeditline = 0;
}
return;
case K_HOME:
if (keydown[K_CTRL])
{ //skip initial empty lines
int i, x;
char *line;
for (i = con_current - con_totallines + 1 ; i <= con_current ; i++)
{
line = con_text + (i%con_totallines)*con_linewidth;
for (x=0 ; x<con_linewidth ; x++)
{
if (line[x] != ' ')
break;
}
if (x != con_linewidth)
break;
}
con_backscroll = CLAMP(0, con_current-i%con_totallines-2, con_totallines-(int)(vid.height>>3)-1);
}
else
key_linepos = 1;
return;
case K_END:
if (keydown[K_CTRL])
con_backscroll = 0;
else
key_linepos = strlen(keyeditline);
return;
case K_PGUP:
case K_MWHEELUP:
con_backscroll += keydown[K_CTRL] ? ((con_vislines>>3) - 4) : 2;
if (con_backscroll > con_totallines - (vid.height>>3) - 1)
con_backscroll = con_totallines - (vid.height>>3) - 1;
return;
case K_PGDN:
case K_MWHEELDOWN:
con_backscroll -= keydown[K_CTRL] ? ((con_vislines>>3) - 4) : 2;
if (con_backscroll < 0)
con_backscroll = 0;
return;
case K_LEFTARROW:
if (keydown[K_CTRL])
{
// word left
while (key_linepos > 1 && key_lines[edit_line][key_linepos-1] == ' ')
key_linepos--;
while (key_linepos > 1 && key_lines[edit_line][key_linepos-1] != ' ')
key_linepos--;
return;
}
if (key_linepos > 1)
key_linepos--;
return;
case K_RIGHTARROW:
if (keydown[K_CTRL])
{
int i;
// word right
i = strlen (key_lines[edit_line]);
while (key_linepos < i && key_lines[edit_line][key_linepos] != ' ')
key_linepos++;
while (key_linepos < i && key_lines[edit_line][key_linepos] == ' ')
key_linepos++;
return;
}
if (key_linepos < strlen(key_lines[edit_line]))
key_linepos++;
return;
case K_UPARROW:
if (history_line == edit_line)
strcpy(currentline, keyeditline);
history_line_last = history_line;
do
{
history_line = (history_line - 1) & (CMDLINES-1);
} while (history_line != edit_line && !key_lines[history_line][1]);
if (history_line == edit_line)
{
history_line = history_line_last;
return;
}
key_tabpartial[0] = 0;
strcpy(keyeditline, key_lines[history_line]);
key_linepos = strlen(keyeditline);
return;
case K_DOWNARROW:
if (history_line == edit_line)
return;
key_tabpartial[0] = 0;
do
{
history_line = (history_line + 1) & (CMDLINES-1);
} while (history_line != edit_line && !key_lines[history_line][1]);
if (history_line == edit_line)
strcpy(keyeditline, currentline);
else
strcpy(keyeditline, key_lines[history_line]);
key_linepos = strlen(keyeditline);
return;
case 'v':
case 'V':
if (keydown[K_CTRL])
{
K_PasteFromClipboard ();
return;
}
break;
case 'c':
case 'C':
if (keydown[K_CTRL])
{ /* Ctrl+C: abort the line -- S.A */
Con_Printf ("%s\n", keyeditline);
keyeditline[0] = ']';
keyeditline[1] = 0;
key_linepos = 1;
history_line = edit_line;
return;
}
break;
}
if (key < 32 || key > 127)
return; // non printable
if (key_linepos < MAX_CMDLINE-1)
{
qboolean endpos = !keyeditline[key_linepos];
key_tabpartial[0] = 0; //johnfitz
// if inserting, move the text to the right
if (key_insert && !endpos)
{
keyeditline[MAX_CMDLINE-2] = 0;
keyeditline += key_linepos;
len = strlen(keyeditline) + 1;
memmove (keyeditline + 1, keyeditline, len);
*keyeditline = key;
}
else
{
keyeditline += key_linepos;
*keyeditline = key;
// null terminate if at the end
if (endpos)
keyeditline[1] = 0;
}
key_linepos++;
}
}
//============================================================================
qboolean team_message = false;
char chat_buffer[MAX_CMDLINE];
static int chat_bufferlen = 0;
void Key_Message (int key)
{
switch (key)
{
case K_ENTER:
case K_KP_ENTER:
if (team_message)
Cbuf_AddText ("say_team \"");
else
Cbuf_AddText ("say \"");
Cbuf_AddText (chat_buffer);
Cbuf_AddText ("\"\n");
key_dest = key_game;
chat_bufferlen = 0;
chat_buffer[0] = 0;
return;
case K_ESCAPE:
key_dest = key_game;
chat_bufferlen = 0;
chat_buffer[0] = 0;
return;
case K_BACKSPACE:
if (chat_bufferlen)
chat_buffer[--chat_bufferlen] = 0;
return;
}
if (key < 32 || key > 127)
return; // non printable
if (chat_bufferlen == sizeof(chat_buffer) - 1)
return; // all full
chat_buffer[chat_bufferlen++] = key;
chat_buffer[chat_bufferlen] = 0;
}
//============================================================================
/*
===================
Key_StringToKeynum
Returns a key number to be used to index keybindings[] by looking at
the given string. Single ascii characters return themselves, while
the K_* names are matched up.
===================
*/
int Key_StringToKeynum (char *str)
{
keyname_t *kn;
if (!str || !str[0])
return -1;
if (!str[1])
return str[0];
for (kn=keynames ; kn->name ; kn++)
{
if (!strcasecmp(str,kn->name))
return kn->keynum;
}
return -1;
}
/*
===================
Key_KeynumToString
Returns a string (either a single ascii char, or a K_* name) for the
given keynum.
FIXME: handle quote special (general escape sequence?)
===================
*/
char *Key_KeynumToString (int keynum)
{
keyname_t *kn;
static char tinystr[2];
if (keynum == -1)
return "<KEY NOT FOUND>";
if (keynum > 32 && keynum < 127)
{ // printable ascii
tinystr[0] = keynum;
tinystr[1] = 0;
return tinystr;
}
for (kn=keynames ; kn->name ; kn++)
if (keynum == kn->keynum)
return kn->name;
return "<UNKNOWN KEYNUM>";
}
/*
===================
Key_SetBinding
===================
*/
void Key_SetBinding (int keynum, char *binding)
{
if (keynum == -1)
return;
// free old bindings
if (keybindings[keynum])
{
Z_Free (keybindings[keynum]);
keybindings[keynum] = NULL;
}
// allocate memory for new binding
if (binding)
keybindings[keynum] = Z_Strdup (binding);
}
/*
===================
Key_Unbind_f
===================
*/
void Key_Unbind_f (void)
{
int b;
if (Cmd_Argc() != 2)
{
Con_Printf ("unbind <key> : remove commands from a key\n");
return;
}
b = Key_StringToKeynum (Cmd_Argv(1));
if (b==-1)
{
Con_Printf ("\"%s\" isn't a valid key\n", Cmd_Argv(1));
return;
}
Key_SetBinding (b, NULL);
}
/*
===================
Key_Unbindall_f
===================
*/
void Key_Unbindall_f (void)
{
int i;
for (i=0 ; i<MAX_KEYS ; i++)
if (keybindings[i])
Key_SetBinding (i, NULL);
}
/*
============
Key_Bindlist_f
============
*/
void Key_Bindlist_f (void)
{
int i, count;
count = 0;
for (i=0 ; i<MAX_KEYS ; i++)
if (keybindings[i])
if (*keybindings[i])
{
Con_SafePrintf (" %s \"%s\"\n", Key_KeynumToString(i), keybindings[i]);
count++;
}
Con_SafePrintf ("%i bindings\n", count);
}
/*
===================
Key_Bind_f
===================
*/
void Key_Bind_f (void)
{
int i, c, b;
char cmd[1024];
c = Cmd_Argc();
if (c != 2 && c != 3)
{
Con_Printf ("bind <key> [command] : attach a command to a key\n");
return;
}
b = Key_StringToKeynum (Cmd_Argv(1));
if (b==-1)
{
Con_Printf ("\"%s\" isn't a valid key\n", Cmd_Argv(1));
return;
}
if (c == 2)
{
if (keybindings[b])
Con_Printf ("\"%s\" = \"%s\"\n", Cmd_Argv(1), keybindings[b] );
else
Con_Printf ("\"%s\" is not bound\n", Cmd_Argv(1) );
return;
}
// copy the rest of the command line
cmd[0] = 0; // start out with a null string
for (i=2 ; i<c ; i++)
{
strcat (cmd, Cmd_Argv(i));
if (i != (c-1))
strcat (cmd, " ");
}
Key_SetBinding (b, cmd);
}
/*
============
Key_WriteBindings
Writes lines containing "bind key value"
============
*/
void Key_WriteBindings (FILE *f)
{
int i;
for (i=0 ; i<MAX_KEYS ; i++)
if (keybindings[i])
if (*keybindings[i])
fprintf (f, "bind \"%s\" \"%s\"\n", Key_KeynumToString(i), keybindings[i]);
}
/*
============
History_Init
============
*/
void History_Init (void)
{
int i, c;
FILE *hf;
for (i=0 ; i<CMDLINES ; i++)
{
key_lines[i][0] = ']';
key_lines[i][1] = 0;
}
key_linepos = 1;
if ((hf = fopen(va("%s/%s", com_gamedir, HISTORY_FILE), "rt")))
{
do
{
i = 1;
do
{
c = fgetc(hf);
key_lines[edit_line][i++] = c;
} while (c != '\r' && c != '\n' && c != EOF && i < MAX_CMDLINE);
key_lines[edit_line][i - 1] = 0;
edit_line = (edit_line + 1) & (CMDLINES-1);
/* for people using a windows-generated history file on unix: */
if (c == '\r' || c == '\n')
{
do
c = fgetc(hf);
while (c == '\r' || c == '\n');
if (c != EOF)
ungetc(c, hf);
else c = 0; /* loop once more, otherwise last line is lost */
}
} while (c != EOF && edit_line < CMDLINES);
fclose(hf);
history_line = edit_line = (edit_line - 1) & (CMDLINES-1);
key_lines[edit_line][0] = ']';
key_lines[edit_line][1] = 0;
}
}
/*
============
History_Shutdown
============
*/
void History_Shutdown (void)
{
int i;
FILE *hf;
if (!con_initialized)
return;
if ((hf = fopen(va("%s/%s", com_gamedir, HISTORY_FILE), "wt")))
{
i = edit_line;
do
{
i = (i + 1) & (CMDLINES-1);
} while (i != edit_line && !key_lines[i][1]);
while (i != edit_line && key_lines[i][1])
{
fprintf(hf, "%s\n", key_lines[i] + 1);
i = (i + 1) & (CMDLINES-1);
}
fclose(hf);
}
}
/*
===================
Key_Init
===================
*/
void Key_Init (void)
{
int i;
// init key_lines in History_Init (by reading history)
//
// initialize consolekeys[]
//
for (i=32 ; i<127 ; i++) // ascii characters in console mode
consolekeys[i] = true;
consolekeys[K_TAB] = true;
consolekeys[K_ENTER] = true;
consolekeys[K_ESCAPE] = true;
consolekeys[K_LEFTARROW] = true;
consolekeys[K_RIGHTARROW] = true;
consolekeys[K_UPARROW] = true;
consolekeys[K_DOWNARROW] = true;
consolekeys[K_BACKSPACE] = true;
consolekeys[K_DEL] = true;
consolekeys[K_INS] = true;
consolekeys[K_HOME] = true;
consolekeys[K_END] = true;
consolekeys[K_PGUP] = true;
consolekeys[K_PGDN] = true;
consolekeys[K_ALT] = true; // EER1
consolekeys[K_CTRL] = true; // EER1
consolekeys[K_SHIFT] = true;
consolekeys[K_KP_NUMLOCK] = true;
consolekeys[K_KP_ENTER] = true;
consolekeys[K_KP_SLASH] = true;
consolekeys[K_KP_STAR] = true;
consolekeys[K_KP_MINUS] = true;
consolekeys[K_KP_HOME] = true;
consolekeys[K_KP_UPARROW] = true;
consolekeys[K_KP_PGUP] = true;
consolekeys[K_KP_PLUS] = true;
consolekeys[K_KP_LEFTARROW] = true;
consolekeys[K_KP_5] = true;
consolekeys[K_KP_RIGHTARROW] = true;
consolekeys[K_KP_END] = true;
consolekeys[K_KP_DOWNARROW] = true;
consolekeys[K_KP_PGDN] = true;
consolekeys[K_KP_INS] = true;
consolekeys[K_KP_DEL] = true;
#if defined __APPLE__ && defined __MACH__
consolekeys[K_COMMAND] = true; // macOS
#endif
consolekeys[K_MWHEELUP] = true;
consolekeys[K_MWHEELDOWN] = true;
consolekeys['`'] = false;
consolekeys['~'] = false;
//
// initialize keyshift[]
//
for (i=0 ; i<MAX_KEYS ; i++)
keyshift[i] = i;
for (i='a' ; i<='z' ; i++)
keyshift[i] = i - 'a' + 'A';
keyshift['1'] = '!';
keyshift['2'] = '@';
keyshift['3'] = '#';
keyshift['4'] = '$';
keyshift['5'] = '%';
keyshift['6'] = '^';
keyshift['7'] = '&';
keyshift['8'] = '*';
keyshift['9'] = '(';
keyshift['0'] = ')';
keyshift['-'] = '_';
keyshift['='] = '+';
keyshift[','] = '<';
keyshift['.'] = '>';
keyshift['/'] = '?';
keyshift[';'] = ':';
keyshift['\''] = '"';
keyshift['['] = '{';
keyshift[']'] = '}';
keyshift['`'] = '~';
keyshift['\\'] = '|';
//
// initialize menubound[]
//
menubound[K_ESCAPE] = true;
for (i=0 ; i<12 ; i++)
menubound[K_F1+i] = true;
//
// register our functions
//
Cmd_AddCommand ("bindlist",Key_Bindlist_f); //johnfitz
Cmd_AddCommand ("bind",Key_Bind_f);
Cmd_AddCommand ("unbind",Key_Unbind_f);
Cmd_AddCommand ("unbindall",Key_Unbindall_f);
}
/*
===================
Key_Event
Called by the system between frames for both key up and key down events
Should NOT be called during an interrupt!
===================
*/
void Key_Event (int key, qboolean down)
{
char *kb;
char cmd[1024];
if (key < 0 || key >= MAX_KEYS)
return;
key_lastpress = key;
key_count++;
if (key_count <= 0)
return; // just catching keys for Con_NotifyBox
//
// handle autorepeats and stray key up events
//
if (down)
{
if (keydown[key])
{
if (key_dest == key_game && !con_forcedup)
return; // ignore autorepeats in game mode
}
else if (key >= 200 && !keybindings[key])
Con_Printf ("%s is unbound, hit F4 to set.\n", Key_KeynumToString(key));
}
else if (!keydown[key])
return; // ignore stray key up events
keydown[key] = down;
//
// handle escape specialy, so the user can never unbind it
//
if (key == K_ESCAPE)
{
if (!down)
return;
if (keydown[K_SHIFT])
{
Con_ToggleConsole_f();
return;
}
switch (key_dest)
{
case key_message:
Key_Message (key);
break;
case key_menu:
M_Keydown (key);
break;
case key_game:
case key_console:
M_ToggleMenu_f ();
break;
default:
Sys_Error ("Bad key_dest");
}
return;
}
//
// key up events only generate commands if the game key binding is
// a button command (leading + sign). These will occur even in console mode,
// to keep the character from continuing an action started before a console
// switch. Button commands include the kenum as a parameter, so multiple
// downs can be matched with ups
//
if (!down)
{
kb = keybindings[key];
if (kb && kb[0] == '+')
{
sprintf (cmd, "-%s %i\n", kb+1, key);
Cbuf_AddText (cmd);