ref: f47ac12115f687ad7ec5348679fda15b4cfc4009
dir: /keys.c/
#include <u.h>
#include <libc.h>
#include <stdio.h>
#include "quakedef.h"
/*
key up events are sent even if in console mode
*/
#define MAXCMDLINE 256
char key_lines[32][MAXCMDLINE];
int key_linepos;
int shift_down=false;
int key_lastpress;
int edit_line=0;
int history_line=0;
keydest_t key_dest;
int key_count; // incremented every key event
char *keybindings[256];
qboolean consolekeys[256]; // if true, can't be rebound while in console
qboolean menubound[256]; // if true, can't be rebound while in menu
int keyshift[256]; // key to map to if shift held down in console
int key_repeats[256]; // if > 1, it is autorepeating
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},
{"UPARROW", K_UPARROW},
{"DOWNARROW", K_DOWNARROW},
{"LEFTARROW", K_LEFTARROW},
{"RIGHTARROW", K_RIGHTARROW},
{"ALT", K_ALT},
{"CTRL", K_CTRL},
{"SHIFT", K_SHIFT},
{"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},
{"MOUSE1", K_MOUSE1},
{"MOUSE2", K_MOUSE2},
{"MOUSE3", K_MOUSE3},
{"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},
{"PAUSE", K_PAUSE},
{"MWHEELUP", K_MWHEELUP},
{"MWHEELDOWN", K_MWHEELDOWN},
{"SEMICOLON", ';'}, // because a raw semicolon seperates commands
{nil,0}
};
/*
==============================================================================
LINE TYPING INTO THE CONSOLE
==============================================================================
*/
/*
====================
Key_Console
Interactive line editing and console scrollback
====================
*/
void Key_Console (int key)
{
char *cmd;
if (key == K_ENTER)
{
Cbuf_AddText (key_lines[edit_line]+1); // skip the >
Cbuf_AddText ("\n");
Con_Printf ("%s\n",key_lines[edit_line]);
edit_line = (edit_line + 1) & 31;
history_line = edit_line;
key_lines[edit_line][0] = ']';
key_linepos = 1;
if (cls.state == ca_disconnected)
SCR_UpdateScreen (); // force an update, because the command
// may take some time
return;
}
if (key == K_TAB)
{ // command completion
cmd = Cmd_CompleteCommand (key_lines[edit_line]+1);
if (!cmd)
cmd = Cvar_CompleteVariable (key_lines[edit_line]+1);
if (cmd)
{
strcpy(key_lines[edit_line]+1, cmd);
key_linepos = strlen(cmd)+1;
key_lines[edit_line][key_linepos] = ' ';
key_linepos++;
key_lines[edit_line][key_linepos] = 0;
return;
}
}
if (key == K_BACKSPACE || key == K_LEFTARROW)
{
if (key_linepos > 1)
key_linepos--;
return;
}
if (key == K_UPARROW)
{
do
{
history_line = (history_line - 1) & 31;
} while (history_line != edit_line
&& !key_lines[history_line][1]);
if (history_line == edit_line)
history_line = (edit_line+1)&31;
strcpy(key_lines[edit_line], key_lines[history_line]);
key_linepos = strlen(key_lines[edit_line]);
return;
}
if (key == K_DOWNARROW)
{
if (history_line == edit_line) return;
do
{
history_line = (history_line + 1) & 31;
}
while (history_line != edit_line
&& !key_lines[history_line][1]);
if (history_line == edit_line)
{
key_lines[edit_line][0] = ']';
key_linepos = 1;
}
else
{
strcpy(key_lines[edit_line], key_lines[history_line]);
key_linepos = strlen(key_lines[edit_line]);
}
return;
}
if (key == K_PGUP || key==K_MWHEELUP)
{
con_backscroll += 2;
if (con_backscroll > con_totallines - (vid.height>>3) - 1)
con_backscroll = con_totallines - (vid.height>>3) - 1;
return;
}
if (key == K_PGDN || key==K_MWHEELDOWN)
{
con_backscroll -= 2;
if (con_backscroll < 0)
con_backscroll = 0;
return;
}
if (key == K_HOME)
{
con_backscroll = con_totallines - (vid.height>>3) - 1;
return;
}
if (key == K_END)
{
con_backscroll = 0;
return;
}
if (key < 32 || key > 127)
return; // non printable
if (key_linepos < MAXCMDLINE-1)
{
key_lines[edit_line][key_linepos] = key;
key_linepos++;
key_lines[edit_line][key_linepos] = 0;
}
}
//============================================================================
char chat_buffer[32];
qboolean team_message = false;
void Key_Message (int key)
{
static int chat_bufferlen = 0;
if (key == K_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;
}
if (key == K_ESCAPE)
{
key_dest = key_game;
chat_bufferlen = 0;
chat_buffer[0] = 0;
return;
}
if (key < 32 || key > 127)
return; // non printable
if (key == K_BACKSPACE)
{
if (chat_bufferlen)
{
chat_bufferlen--;
chat_buffer[chat_bufferlen] = 0;
}
return;
}
if (chat_bufferlen == 31)
return; // all full
chat_buffer[chat_bufferlen++] = key;
chat_buffer[chat_bufferlen] = 0;
}
/* 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 *s)
{
keyname_t *k;
if(s == nil || s[0] == 0)
return -1;
if(s[1] == 0)
return s[0];
for(k = keynames; k->name != nil; k++)
if(cistrcmp(s, k->name) == 0)
return k->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)
{
char *new;
int l;
if (keynum == -1)
return;
// free old bindings
if (keybindings[keynum])
{
Z_Free (keybindings[keynum]);
keybindings[keynum] = nil;
}
// allocate memory for new binding
l = strlen(binding);
new = Z_Malloc (l+1);
strcpy(new, binding);
new[l] = 0;
keybindings[keynum] = new;
}
/*
===================
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, "");
}
void Key_Unbindall_f (void)
{
int i;
for (i=0 ; i<256 ; i++)
if (keybindings[i])
Key_SetBinding (i, "");
}
/*
===================
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++)
{
if (i > 2)
strcat (cmd, " ");
strcat (cmd, Cmd_Argv(i));
}
Key_SetBinding (b, cmd);
}
/*
===================
Key_Init
===================
*/
void Key_Init (void)
{
int i;
for (i=0 ; i<32 ; i++)
{
key_lines[i][0] = ']';
key_lines[i][1] = 0;
}
key_linepos = 1;
//
// init ascii characters in console mode
//
for (i=32 ; i<128 ; i++)
consolekeys[i] = true;
consolekeys[K_ENTER] = true;
consolekeys[K_TAB] = true;
consolekeys[K_LEFTARROW] = true;
consolekeys[K_RIGHTARROW] = true;
consolekeys[K_UPARROW] = true;
consolekeys[K_DOWNARROW] = true;
consolekeys[K_BACKSPACE] = true;
consolekeys[K_PGUP] = true;
consolekeys[K_PGDN] = true;
consolekeys[K_SHIFT] = true;
consolekeys[K_MWHEELUP] = true;
consolekeys[K_MWHEELDOWN] = true;
consolekeys['`'] = false;
consolekeys['~'] = false;
for (i=0 ; i<256 ; 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['\\'] = '|';
menubound[K_ESCAPE] = true;
for (i=0 ; i<12 ; i++)
menubound[K_F1+i] = true;
//
// register our functions
//
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 (!down)
key_repeats[key] = 0;
key_lastpress = key;
key_count++;
if (key_count <= 0)
return;
// update auto-repeat status
if (down)
{
key_repeats[key]++;
if (key != K_BACKSPACE && key != K_PAUSE && key_repeats[key] > 1)
{
return; // ignore most autorepeats
}
if (key >= 200 && !keybindings[key])
Con_Printf ("%s is unbound, hit F4 to set.\n", Key_KeynumToString (key) );
}
if (key == K_SHIFT)
shift_down = down;
//
// handle escape specialy, so the user can never unbind it
//
if (key == K_ESCAPE)
{
if (!down)
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:
fatal ("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] == '+')
{
sprint (cmd, "-%s %d\n", kb+1, key);
Cbuf_AddText (cmd);
}
if (keyshift[key] != key)
{
kb = keybindings[keyshift[key]];
if (kb && kb[0] == '+')
{
sprint (cmd, "-%s %d\n", kb+1, key);
Cbuf_AddText (cmd);
}
}
return;
}
//
// during demo playback, most keys bring up the main menu
//
if (cls.demoplayback && down && consolekeys[key] && key_dest == key_game)
{
M_ToggleMenu_f ();
return;
}
//
// if not a consolekey, send to the interpreter no matter what mode is
//
if ( (key_dest == key_menu && menubound[key])
|| (key_dest == key_console && !consolekeys[key])
|| (key_dest == key_game && ( !con_forcedup || !consolekeys[key] ) ) )
{
kb = keybindings[key];
if (kb)
{
if (kb[0] == '+')
{ // button commands add keynum as a parm
sprint (cmd, "%s %d\n", kb, key);
Cbuf_AddText (cmd);
}
else
{
Cbuf_AddText (kb);
Cbuf_AddText ("\n");
}
}
return;
}
if (!down)
return; // other systems only care about key down events
if (shift_down)
{
key = keyshift[key];
}
switch (key_dest)
{
case key_message:
Key_Message (key);
break;
case key_menu:
M_Keydown (key);
break;
case key_game:
case key_console:
Key_Console (key);
break;
default:
fatal ("Bad key_dest");
}
}
void
Key_ClearStates(void)
{
int i;
for(i=0; i<256; i++)
key_repeats[i] = 0;
}