// console.cpp: the console buffer, its display, and command line control
#include "cube.h"
#include <ctype.h>
struct cline { char *cref; int outtime; };
vector<cline> conlines;
const int ndraw = 5;
const int WORDWRAP = 80;
int conskip = 0;
bool saycommandon = false;
string commandbuf;
void setconskip(int n)
{
conskip += n;
if(conskip<0) conskip = 0;
};
COMMANDN(conskip, setconskip, ARG_1INT);
void conline(const char *sf, bool highlight) // add a line to the console buffer
{
cline cl;
cl.cref = conlines.length()>100 ? conlines.pop().cref : newstringbuf(""); // constrain the buffer size
cl.outtime = lastmillis; // for how long to keep line on screen
conlines.insert(0,cl);
if(highlight) // show line in a different colour, for chat etc.
{
cl.cref[0] = '\f';
cl.cref[1] = 0;
strcat_s(cl.cref, sf);
}
else
{
strcpy_s(cl.cref, sf);
};
puts(cl.cref);
#ifndef _WIN32
fflush(stdout);
#endif
};
void conoutf(const char *s, ...)
{
sprintf_sdv(sf, s);
s = sf;
int n = 0;
while(strlen(s)>WORDWRAP) // cut strings to fit on screen
{
string t;
strn0cpy(t, s, WORDWRAP+1);
conline(t, n++!=0);
s += WORDWRAP;
};
conline(s, n!=0);
};
void renderconsole() // render buffer taking into account time & scrolling
{
int nd = 0;
char *refs[ndraw];
loopv(conlines) if(conskip ? i>=conskip-1 || i>=conlines.length()-ndraw : lastmillis-conlines[i].outtime<20000)
{
refs[nd++] = conlines[i].cref;
if(nd==ndraw) break;
};
loopj(nd)
{
draw_text(refs[j], FONTH/3, (FONTH/4*5)*(nd-j-1)+FONTH/3, 2);
};
};
// keymap is defined externally in keymap.cfg
struct keym { int code; char *name; char *action; } keyms[256];
int numkm = 0;
void keymap(char *code, char *key, char *action)
{
keyms[numkm].code = atoi(code);
keyms[numkm].name = newstring(key);
keyms[numkm++].action = newstringbuf(action);
};
COMMAND(keymap, ARG_3STR);
void bindkey(char *key, char *action)
{
for(char *x = key; *x; x++) *x = toupper(*x);
loopi(numkm) if(strcmp(keyms[i].name, key)==0)
{
strcpy_s(keyms[i].action, action);
return;
};
conoutf("unknown key \"%s\"", key);
};
COMMANDN(bind, bindkey, ARG_2STR);
void saycommand(char *init) // turns input to the command line on or off
{
SDL_EnableUNICODE(saycommandon = (init!=NULL));
if(!editmode) keyrepeat(saycommandon);
if(!init) init = "";
strcpy_s(commandbuf, init);
};
void mapmsg(char *s) { strn0cpy(hdr.maptitle, s, 128); };
COMMAND(saycommand, ARG_VARI);
COMMAND(mapmsg, ARG_1STR);
#ifndef _WIN32
#include <X11/Xlib.h>
#include <SDL_syswm.h>
#endif
void pasteconsole()
{
#ifdef _WIN32
if(!IsClipboardFormatAvailable(CF_TEXT)) return;
if(!OpenClipboard(NULL)) return;
char *cb = (char *)GlobalLock(GetClipboardData(CF_TEXT));
strcat_s(commandbuf, cb);
GlobalUnlock(cb);
CloseClipboard();
#else
SDL_SysWMinfo wminfo;
SDL_VERSION(&wminfo.version);
wminfo.subsystem = SDL_SYSWM_X11;
if(!SDL_GetWMInfo(&wminfo)) return;
int cbsize;
char *cb = XFetchBytes(wminfo.info.x11.display, &cbsize);
if(!cb || !cbsize) return;
int commandlen = strlen(commandbuf);
for(char *cbline = cb, *cbend; commandlen + 1 < _MAXDEFSTR && cbline < &cb[cbsize]; cbline = cbend + 1)
{
cbend = (char *)memchr(cbline, '\0', &cb[cbsize] - cbline);
if(!cbend) cbend = &cb[cbsize];
if(commandlen + cbend - cbline + 1 > _MAXDEFSTR) cbend = cbline + _MAXDEFSTR - commandlen - 1;
memcpy(&commandbuf[commandlen], cbline, cbend - cbline);
commandlen += cbend - cbline;
commandbuf[commandlen] = '\n';
if(commandlen + 1 < _MAXDEFSTR && cbend < &cb[cbsize]) ++commandlen;
commandbuf[commandlen] = '\0';
};
XFree(cb);
#endif
};
cvector vhistory;
int histpos = 0;
void history(int n)
{
static bool rec = false;
if(!rec && n>=0 && n<vhistory.length())
{
rec = true;
execute(vhistory[vhistory.length()-n-1]);
rec = false;
};
};
COMMAND(history, ARG_1INT);
void keypress(int code, bool isdown, int cooked)
{
if(saycommandon) // keystrokes go to commandline
{
if(isdown)
{
switch(code)
{
case SDLK_RETURN:
break;
case SDLK_BACKSPACE:
case SDLK_LEFT:
{
for(int i = 0; commandbuf[i]; i++) if(!commandbuf[i+1]) commandbuf[i] = 0;
resetcomplete();
break;
};
case SDLK_UP:
if(histpos) strcpy_s(commandbuf, vhistory[--histpos]);
break;
case SDLK_DOWN:
if(histpos<vhistory.length()) strcpy_s(commandbuf, vhistory[histpos++]);
break;
case SDLK_TAB:
complete(commandbuf);
break;
case SDLK_v:
if(SDL_GetModState()&(KMOD_LCTRL|KMOD_RCTRL)) { pasteconsole(); return; };
default:
resetcomplete();
if(cooked) { char add[] = { cooked, 0 }; strcat_s(commandbuf, add); };
};
}
else
{
if(code==SDLK_RETURN)
{
if(commandbuf[0])
{
if(vhistory.empty() || strcmp(vhistory.last(), commandbuf))
{
vhistory.add(newstring(commandbuf)); // cap this?
};
histpos = vhistory.length();
if(commandbuf[0]=='/') execute(commandbuf, true);
else toserver(commandbuf);
};
saycommand(NULL);
}
else if(code==SDLK_ESCAPE)
{
saycommand(NULL);
};
};
}
else if(!menukey(code, isdown)) // keystrokes go to menu
{
loopi(numkm) if(keyms[i].code==code) // keystrokes go to game, lookup in keymap and execute
{
string temp;
strcpy_s(temp, keyms[i].action);
execute(temp, isdown);
return;
};
};
};
char *getcurcommand()
{
return saycommandon ? commandbuf : NULL;
};
void writebinds(FILE *f)
{
loopi(numkm)
{
if(*keyms[i].action) fprintf(f, "bind \"%s\" [%s]\n", keyms[i].name, keyms[i].action);
};
};