int m_find(motion_arg const *m, unsigned repeat, window *win, point_t *to)
{
bool raw;
return m_findnext2(
last_find_ch = io_getch(IO_NOMAP /* vim doesn't mapraw here */, &raw, true),
last_find_type = m->find_type,
repeat, win, to);
}
int keys_filter(
enum io io_m,
char *struc, unsigned n_ents,
unsigned st_off, unsigned st_sz,
int mode_off)
{
#define STRUCT_STR(i, st, off) *(const char **)(struc + i * st_sz + st_off)
int ret = -1;
bool potential[n_ents];
if(mode_off >= 0){
enum buf_mode curmode = windows_cur()->ui_mode;
for(unsigned i = 0; i < n_ents; i++){
enum buf_mode mode = *(enum buf_mode *)(
struc + i * st_sz + mode_off);
potential[i] = mode & curmode;
}
}else{
memset(potential, true, sizeof potential);
}
unsigned ch_idx = 0;
char *sofar = NULL;
size_t nsofar = 0;
for(;; ch_idx++){
bool raw;
int ch = io_getch(io_m, &raw, /*map:*/ch_idx == 0); /* dl shouldn't map l */
if(raw){
/* raw char, doesn't match any, get out */
memset(potential, 0, sizeof potential);
}
sofar = urealloc(sofar, ++nsofar);
sofar[nsofar-1] = ch;
unsigned npotential = 0;
unsigned last_potential = 0;
for(unsigned i = 0; i < sizeof potential; i++){
if(potential[i]){
const char *const kstr = STRUCT_STR(i, struc, str_off);
size_t keys_len = strlen(kstr);
if(ch_idx >= keys_len || kstr[ch_idx] != ch){
potential[i] = false;
}else{
npotential++;
last_potential = i;
}
}
}
switch(npotential){
case 1:
{
/* only accept once we have the full string */
const char *kstr = STRUCT_STR(last_potential, struc, str_off);
if(ch_idx == strlen(kstr) - 1){
ret = last_potential;
goto out;
}
break;
}
case 0:
for(size_t i = nsofar; i > 0; i--)
io_ungetch(sofar[i - 1], false);
goto out;
}
}
out:
free(sofar);
return ret;
}
char *prompt(char promp, const char *initial)
{
int len;
char *buf;
int i;
if(initial) {
len = strlen(initial) + 1;
buf = umalloc(len);
i = len - 1;
strcpy(buf, initial);
} else {
len = 10;
buf = umalloc(len);
i = 0;
}
int y, x;
nc_get_yx(&y, &x);
nc_set_yx(nc_LINES() - 1, 0);
nc_addch(promp);
for(int x = 0; x < i; x++)
nc_addch(buf[x]);
nc_clrtoeol();
bool reading = true;
while(reading) {
bool wasraw;
int ch = io_getch(IO_NOMAP | IO_MAPRAW, &wasraw, true);
switch(ch) {
case CTRL_AND('?'):
case CTRL_AND('H'):
case 263:
case 127:
/* backspace */
if(i == 0)
goto cancel;
buf[--i] = '\0';
nc_set_yx(nc_LINES() - 1, i + 1);
break;
case '\n':
case '\r':
reading = false;
break;
case CTRL_AND('u'):
buf[i = 0] = '\0';
nc_set_yx(nc_LINES() - 1, i + 1);
break;
case K_ESC:
if(!wasraw)
goto cancel;
/* fall */
default:
buf[i++] = ch;
nc_addch(ch);
if(i == len)
buf = urealloc(buf, len *= 2);
buf[i] = '\0';
break;
}
}
nc_set_yx(y, x);
return buf;
cancel:
nc_set_yx(y, x);
free(buf);
return NULL;
}
