static void
set_foreground_color(NCURSES_SP_DCLx int fg, NCURSES_SP_OUTC outc)
{
#ifdef USE_TERM_DRIVER
CallDriver_3(SP_PARM, td_color, TRUE, fg, outc);
#else
if (set_a_foreground) {
TPUTS_TRACE("set_a_foreground");
NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
TPARM_1(set_a_foreground, fg),
1, outc);
} else {
TPUTS_TRACE("set_foreground");
NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
TPARM_1(set_foreground, toggled_colors(fg)),
1, outc);
}
#endif
}
static void
set_background_color(NCURSES_SP_DCLx int bg, NCURSES_SP_OUTC outc)
{
#ifdef USE_TERM_DRIVER
CallDriver_3(SP_PARM, color, FALSE, bg, outc);
#else
if (set_a_background) {
TPUTS_TRACE("set_a_background");
NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
TPARM_1(set_a_background, bg),
1, outc);
} else {
TPUTS_TRACE("set_background");
NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
TPARM_1(set_background, toggled_colors(bg)),
1, outc);
}
#endif
}
NCURSES_SP_NAME(init_pair) (NCURSES_SP_DCLx
NCURSES_PAIRS_T pair,
NCURSES_COLOR_T f,
NCURSES_COLOR_T b)
{
colorpair_t result;
colorpair_t previous;
int maxcolors;
T((T_CALLED("init_pair(%p,%d,%d,%d)"),
(void *) SP_PARM,
(int) pair,
(int) f,
(int) b));
if (!ValidPair(pair))
returnCode(ERR);
maxcolors = MaxColors;
previous = SP_PARM->_color_pairs[pair];
#if NCURSES_EXT_FUNCS
if (SP_PARM->_default_color || SP_PARM->_assumed_color) {
bool isDefault = FALSE;
bool wasDefault = FALSE;
int default_pairs = SP_PARM->_default_pairs;
/*
* Map caller's color number, e.g., -1, 0, 1, .., 7, etc., into
* internal unsigned values which we will store in the _color_pairs[]
* table.
*/
if (isDefaultColor(f)) {
f = COLOR_DEFAULT;
isDefault = TRUE;
} else if (!OkColorHi(f)) {
returnCode(ERR);
}
if (isDefaultColor(b)) {
b = COLOR_DEFAULT;
isDefault = TRUE;
} else if (!OkColorHi(b)) {
returnCode(ERR);
}
/*
* Check if the table entry that we are going to init/update used
* default colors.
*/
if ((FORE_OF(previous) == COLOR_DEFAULT)
|| (BACK_OF(previous) == COLOR_DEFAULT))
wasDefault = TRUE;
/*
* Keep track of the number of entries in the color pair table which
* used a default color.
*/
if (isDefault && !wasDefault) {
++default_pairs;
} else if (wasDefault && !isDefault) {
--default_pairs;
}
/*
* As an extension, ncurses allows the pair number to exceed the
* terminal's color_pairs value for pairs using a default color.
*
* Note that updating a pair which used a default color with one
* that does not will decrement the count - and possibly interfere
* with sequentially adding new pairs.
*/
if (pair > (SP_PARM->_pair_count + default_pairs)) {
returnCode(ERR);
}
SP_PARM->_default_pairs = default_pairs;
} else
#endif
{
if ((f < 0) || !OkColorHi(f)
|| (b < 0) || !OkColorHi(b)
|| (pair < 1)) {
returnCode(ERR);
}
}
/*
* When a pair's content is changed, replace its colors (if pair was
* initialized before a screen update is performed replacing original
* pair colors with the new ones).
*/
result = PAIR_OF(f, b);
if (previous != 0
&& previous != result) {
int y, x;
for (y = 0; y <= CurScreen(SP_PARM)->_maxy; y++) {
struct ldat *ptr = &(CurScreen(SP_PARM)->_line[y]);
bool changed = FALSE;
for (x = 0; x <= CurScreen(SP_PARM)->_maxx; x++) {
if (GetPair(ptr->text[x]) == pair) {
/* Set the old cell to zero to ensure it will be
updated on the next doupdate() */
SetChar(ptr->text[x], 0, 0);
CHANGED_CELL(ptr, x);
changed = TRUE;
}
}
if (changed)
NCURSES_SP_NAME(_nc_make_oldhash) (NCURSES_SP_ARGx y);
}
}
SP_PARM->_color_pairs[pair] = result;
if (GET_SCREEN_PAIR(SP_PARM) == pair)
SET_SCREEN_PAIR(SP_PARM, (int) (~0)); /* force attribute update */
#ifdef USE_TERM_DRIVER
CallDriver_3(SP_PARM, td_initpair, pair, f, b);
#else
if (initialize_pair && InPalette(f) && InPalette(b)) {
const color_t *tp = DefaultPalette;
TR(TRACE_ATTRS,
("initializing pair: pair = %d, fg=(%d,%d,%d), bg=(%d,%d,%d)",
(int) pair,
(int) tp[f].red, (int) tp[f].green, (int) tp[f].blue,
(int) tp[b].red, (int) tp[b].green, (int) tp[b].blue));
NCURSES_PUTP2("initialize_pair",
TPARM_7(initialize_pair,
pair,
(int) tp[f].red,
(int) tp[f].green,
(int) tp[f].blue,
(int) tp[b].red,
(int) tp[b].green,
(int) tp[b].blue));
}
#endif
returnCode(OK);
}
