/* Allocate and initialize to the empty string a new window message buffer. The
* return value must be freed using wmbc_free. */
WinMsgBuf *wmb_create()
{
WinMsgBuf *w = malloc(sizeof(WinMsgBuf));
if (w == NULL)
return NULL;
w->buf = malloc(WINMSGBUF_SIZE);
if (w->buf == NULL) {
free(w);
return NULL;
}
w->size = WINMSGBUF_SIZE;
wmb_reset(w);
return w;
}
/* TODO: const char *str for safety and reassurance */
char *MakeWinMsgEv(WinMsgBuf *winmsg, char *str, Window *win,
int chesc, int padlen, Event *ev, int rec)
{
static int tick;
char *s = str;
struct timeval now;
int qmnumrend = 0;
int numpad = 0;
int lastpad = 0;
WinMsgBufContext *wmbc;
WinMsgEsc esc;
WinMsgCond *cond = alloca(sizeof(WinMsgCond));
/* TODO: temporary to work into existing code */
if (winmsg == NULL) {
if (g_winmsg == NULL) {
if ((g_winmsg = wmb_create()) == NULL)
Panic(0, "%s", strnomem);
}
winmsg = g_winmsg;
}
if (cond == NULL)
Panic(0, "%s", strnomem);
if (rec > WINMSG_RECLIMIT)
return winmsg->buf;
/* set to sane state (clear garbage) */
wmc_deinit(cond);
/* TODO: we can get rid of this once winmsg is properly handled by caller */
if (winmsg->numrend > 0)
winmsg->numrend = 0;
wmb_reset(winmsg);
wmbc = wmbc_create(winmsg);
if (wmbc == NULL)
Panic(0, "%s", strnomem);
tick = 0;
gettimeofday(&now, NULL);
for (s = str; *s; s++) {
if (*s != chesc) {
if ((chesc == '%') && (*s == '^')) {
s++;
if (*s != '^' && *s >= 64)
wmbc_putchar(wmbc, *s & 0x1f);
continue;
}
wmbc_putchar(wmbc, *s);
continue;
}
if (*++s == chesc) /* double escape ? */
continue;
/* initialize escape */
if ((esc.flags.plus = (*s == '+')) != 0)
s++;
if ((esc.flags.minus = (*s == '-')) != 0)
s++;
if ((esc.flags.zero = (*s == '0')) != 0)
s++;
esc.num = 0;
while (*s >= '0' && *s <= '9')
esc.num = esc.num * 10 + (*s++ - '0');
if ((esc.flags.lng = (*s == 'L')) != 0)
s++;
switch (*s) {
case WINESC_COND:
WinMsgDoEscEx(Cond, &qmnumrend);
break;
case WINESC_COND_ELSE:
WinMsgDoEscEx(CondElse, &qmnumrend);
break;
case WINESC_HSTATUS:
WinMsgDoEscEx(Hstatus, win, &tick, rec);
break;
case WINESC_BACKTICK:
WinMsgDoEscEx(Backtick, esc.num, win, &tick, &now, rec);
break;
case WINESC_CMD:
case WINESC_CMD_ARGS:
WinMsgDoEscEx(WinArgv, win);
break;
case WINESC_WIN_NAMES:
case WINESC_WIN_NAMES_NOCUR:
WinMsgDoEscEx(WinNames, (*s == WINESC_WIN_NAMES_NOCUR), win);
break;
case WINESC_WFLAGS:
WinMsgDoEscEx(Wflags, win);
break;
case WINESC_WIN_TITLE:
WinMsgDoEscEx(WinTitle, win);
break;
case WINESC_REND_START:
WinMsgDoEsc(Rend);
break;
case WINESC_HOST:
WinMsgDoEsc(HostName);
break;
case WINESC_SESS_NAME:
WinMsgDoEsc(SessName);
break;
case WINESC_PID:
WinMsgDoEsc(Pid);
break;
case WINESC_FOCUS:
WinMsgDoEscEx(Focus, win, ev);
break;
case WINESC_COPY_MODE:
WinMsgDoEscEx(CopyMode, ev);
break;
case WINESC_ESC_SEEN:
WinMsgDoEsc(EscSeen);
break;
case WINESC_TRUNC_POS:
WinMsgDoEscEx(TruncPos,
((esc.num > 100) ? 100 : esc.num),
esc.flags.lng);
break;
case WINESC_PAD:
case WINESC_TRUNC:
WinMsgDoEscEx(PadOrTrunc, &numpad, &lastpad, padlen);
break;
case WINESC_WIN_SIZE:
WinMsgDoEscEx(WinSize, win);
break;
case WINESC_WIN_NUM:
WinMsgDoEscEx(WinNum, win);
break;
case WINESC_WIN_LOGNAME:
WinMsgDoEscEx(WinLogName, win);
break;
}
}
if (wmc_is_active(cond) && !wmc_is_set(cond))
wmbc->p = wmc_end(cond, wmbc->p, NULL) + 1;
wmbc_putchar(wmbc, '\0' );
wmbc->p--; /* TODO: temporary to work with old code */
if (numpad) {
if (padlen > MAXSTR - 1)
padlen = MAXSTR - 1;
pad_expand(winmsg, winmsg->buf, wmbc->p, numpad, padlen);
}
if (ev) {
evdeq(ev); /* just in case */
ev->timeout.tv_sec = 0;
ev->timeout.tv_usec = 0;
}
if (ev && tick) {
now.tv_usec = 100000;
if (tick == 1)
now.tv_sec++;
else
now.tv_sec += tick - (now.tv_sec % tick);
ev->timeout = now;
}
wmbc_free(wmbc);
return winmsg->buf;
}