_nc_slk_initialize(WINDOW *stwin, int cols)
{
int i, x;
int res = OK;
unsigned max_length;
T((T_CALLED("_nc_slk_initialize()")));
if (SP->_slk) { /* we did this already, so simply return */
returnCode(OK);
} else if ((SP->_slk = typeCalloc(SLK, 1)) == 0)
returnCode(ERR);
SP->_slk->ent = NULL;
/*
* If we use colors, vidputs() will suppress video attributes that conflict
* with colors. In that case, we're still guaranteed that "reverse" would
* work.
*/
if ((no_color_video & 1) == 0)
SetAttr(SP->_slk->attr, A_STANDOUT);
else
SetAttr(SP->_slk->attr, A_REVERSE);
SP->_slk->maxlab = ((num_labels > 0)
? num_labels
: MAX_SKEY(_nc_globals.slk_format));
SP->_slk->maxlen = ((num_labels > 0)
? label_width * label_height
: MAX_SKEY_LEN(_nc_globals.slk_format));
SP->_slk->labcnt = ((SP->_slk->maxlab < MAX_SKEY(_nc_globals.slk_format))
? MAX_SKEY(_nc_globals.slk_format)
: SP->_slk->maxlab);
if (SP->_slk->maxlen <= 0
|| SP->_slk->labcnt <= 0
|| (SP->_slk->ent = typeCalloc(slk_ent,
(unsigned) SP->_slk->labcnt)) == NULL)
returnCode(slk_failed());
max_length = SP->_slk->maxlen;
for (i = 0; i < SP->_slk->labcnt; i++) {
size_t used = max_length + 1;
if ((SP->_slk->ent[i].ent_text = (char *) _nc_doalloc(0, used)) == 0)
returnCode(slk_failed());
memset(SP->_slk->ent[i].ent_text, 0, used);
if ((SP->_slk->ent[i].form_text = (char *) _nc_doalloc(0, used)) == 0)
returnCode(slk_failed());
memset(SP->_slk->ent[i].form_text, 0, used);
memset(SP->_slk->ent[i].form_text, ' ', max_length);
SP->_slk->ent[i].visible = (char) (i < SP->_slk->maxlab);
}
if (_nc_globals.slk_format >= 3) { /* PC style */
int gap = (cols - 3 * (3 + 4 * max_length)) / 2;
if (gap < 1)
gap = 1;
for (i = x = 0; i < SP->_slk->maxlab; i++) {
SP->_slk->ent[i].ent_x = x;
x += max_length;
x += (i == 3 || i == 7) ? gap : 1;
}
} else {
if (_nc_globals.slk_format == 2) { /* 4-4 */
int gap = cols - (SP->_slk->maxlab * max_length) - 6;
if (gap < 1)
gap = 1;
for (i = x = 0; i < SP->_slk->maxlab; i++) {
SP->_slk->ent[i].ent_x = x;
x += max_length;
x += (i == 3) ? gap : 1;
}
} else {
if (_nc_globals.slk_format == 1) { /* 1 -> 3-2-3 */
int gap = (cols - (SP->_slk->maxlab * max_length) - 5)
/ 2;
if (gap < 1)
gap = 1;
for (i = x = 0; i < SP->_slk->maxlab; i++) {
SP->_slk->ent[i].ent_x = x;
x += max_length;
x += (i == 2 || i == 4) ? gap : 1;
}
} else
returnCode(slk_failed());
}
}
SP->_slk->dirty = TRUE;
if ((SP->_slk->win = stwin) == NULL) {
returnCode(slk_failed());
}
/* We now reset the format so that the next newterm has again
* per default no SLK keys and may call slk_init again to
* define a new layout. (juergen 03-Mar-1999)
*/
SP->slk_format = _nc_globals.slk_format;
_nc_globals.slk_format = 0;
returnCode(res);
}
_nc_slk_initialize(WINDOW *stwin, int cols)
{
int i;
int res = OK;
unsigned max_length;
SCREEN *sp;
TERMINAL *term;
int numlab;
T((T_CALLED("_nc_slk_initialize()")));
assert(stwin);
sp = _nc_screen_of(stwin);
if (0 == sp)
returnCode(ERR);
term = TerminalOf(SP_PARM);
assert(term);
numlab = NumLabels;
if (SP_PARM->_slk) { /* we did this already, so simply return */
returnCode(OK);
} else if ((SP_PARM->_slk = typeCalloc(SLK, 1)) == 0)
returnCode(ERR);
if (!SP_PARM->slk_format)
SP_PARM->slk_format = _nc_globals.slk_format;
/*
* If we use colors, vidputs() will suppress video attributes that conflict
* with colors. In that case, we're still guaranteed that "reverse" would
* work.
*/
if ((NoColorVideo & 1) == 0)
SetAttr(SP_PARM->_slk->attr, A_STANDOUT);
else
SetAttr(SP_PARM->_slk->attr, A_REVERSE);
SP_PARM->_slk->maxlab = ((numlab > 0)
? numlab
: MAX_SKEY(SP_PARM->slk_format));
SP_PARM->_slk->maxlen = ((numlab > 0)
? LabelWidth * LabelHeight
: MAX_SKEY_LEN(SP_PARM->slk_format));
SP_PARM->_slk->labcnt = ((SP_PARM->_slk->maxlab < MAX_SKEY(SP_PARM->slk_format))
? MAX_SKEY(SP_PARM->slk_format)
: SP_PARM->_slk->maxlab);
if (SP_PARM->_slk->maxlen <= 0
|| SP_PARM->_slk->labcnt <= 0
|| (SP_PARM->_slk->ent = typeCalloc(slk_ent,
(unsigned) SP_PARM->_slk->labcnt))
== NULL)
returnCode(slk_failed(NCURSES_SP_ARG));
max_length = SP_PARM->_slk->maxlen;
for (i = 0; i < SP_PARM->_slk->labcnt; i++) {
size_t used = max_length + 1;
SP_PARM->_slk->ent[i].ent_text = (char *) _nc_doalloc(0, used);
if (SP_PARM->_slk->ent[i].ent_text == 0)
returnCode(slk_failed(NCURSES_SP_ARG));
memset(SP_PARM->_slk->ent[i].ent_text, 0, used);
SP_PARM->_slk->ent[i].form_text = (char *) _nc_doalloc(0, used);
if (SP_PARM->_slk->ent[i].form_text == 0)
returnCode(slk_failed(NCURSES_SP_ARG));
memset(SP_PARM->_slk->ent[i].form_text, 0, used);
memset(SP_PARM->_slk->ent[i].form_text, ' ', max_length);
SP_PARM->_slk->ent[i].visible = (char) (i < SP_PARM->_slk->maxlab);
}
res = _nc_format_slks(NCURSES_SP_ARGx cols);
if ((SP_PARM->_slk->win = stwin) == NULL) {
returnCode(slk_failed(NCURSES_SP_ARG));
}
/* We now reset the format so that the next newterm has again
* per default no SLK keys and may call slk_init again to
* define a new layout. (juergen 03-Mar-1999)
*/
_nc_globals.slk_format = 0;
returnCode(res);
}
