#include <curses.priv.h>
#include <ctype.h>
#include <term.h>
MODULE_ID("$Id: lib_slk.c,v 1.35 2008/09/27 14:07:33 juergen Exp $")
static int
slk_failed(void)
{
if (SP->_slk) {
FreeIfNeeded(SP->_slk->ent);
free(SP->_slk);
SP->_slk = (SLK *) 0;
}
return ERR;
}
NCURSES_EXPORT(int)
_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) {
returnCode(OK);
} else if ((SP->_slk = typeCalloc(SLK, 1)) == 0)
returnCode(ERR);
SP->_slk->ent = NULL;
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) {
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) {
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) {
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());
}
SP->slk_format = _nc_globals.slk_format;
_nc_globals.slk_format = 0;
returnCode(res);
}
NCURSES_EXPORT(int)
slk_restore(void)
{
T((T_CALLED("slk_restore()")));
if (SP->_slk == NULL)
return (ERR);
SP->_slk->hidden = FALSE;
SP->_slk->dirty = TRUE;
returnCode(slk_refresh());
}