mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
synced 2024-11-28 20:11:00 +01:00
108 lines
2.2 KiB
C
108 lines
2.2 KiB
C
/* This work is copyrighted. See COPYRIGHT.NEW for *
|
|
* details. If they are missing then this copy is in violation of *
|
|
* the copyright conditions. */
|
|
|
|
/* lib_color.c
|
|
*
|
|
* Handles color emulation of SYS V curses
|
|
*
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include "curses.priv.h"
|
|
#include "terminfo.h"
|
|
|
|
int COLOR_PAIRS;
|
|
int COLORS;
|
|
unsigned char *color_pairs;
|
|
|
|
int start_color()
|
|
{
|
|
T(("start_color() called."));
|
|
|
|
if (orig_pair != NULL)
|
|
putp(orig_pair);
|
|
else return ERR;
|
|
if (max_pairs != -1)
|
|
COLOR_PAIRS = max_pairs;
|
|
else return ERR;
|
|
color_pairs = malloc(max_pairs);
|
|
if (max_colors != -1)
|
|
COLORS = max_colors;
|
|
else return ERR;
|
|
SP->_coloron = 1;
|
|
|
|
T(("started color: COLORS = %d, COLOR_PAIRS = %d", COLORS, COLOR_PAIRS));
|
|
|
|
return OK;
|
|
}
|
|
|
|
int init_pair(short pair, short f, short b)
|
|
{
|
|
T(("init_pair( %d, %d, %d )", pair, f, b));
|
|
|
|
if ((pair < 1) || (pair >= COLOR_PAIRS))
|
|
return ERR;
|
|
if ((f < 0) || (f >= COLORS) || (b < 0) || (b >= COLORS))
|
|
return ERR;
|
|
|
|
/* still to do:
|
|
if pair was initialized before a screen update is performed
|
|
replacing original pair colors with the new ones
|
|
*/
|
|
|
|
color_pairs[pair] = ( (f & 0x0f) | (b & 0x0f) << 4 );
|
|
|
|
return OK;
|
|
}
|
|
|
|
int init_color(short color, short r, short g, short b)
|
|
{
|
|
if (initialize_color != NULL) {
|
|
if (color < 0 || color >= COLORS)
|
|
return ERR;
|
|
if (hue_lightness_saturation == TRUE)
|
|
if (r < 0 || r > 360 || g < 0 || g > 100 || b < 0 || b > 100)
|
|
return ERR;
|
|
if (hue_lightness_saturation == FALSE)
|
|
if (r < 0 || r > 1000 || g < 0 || g > 1000 || b < 0 || b > 1000)
|
|
return ERR;
|
|
|
|
putp(tparm(initialize_color, color, r, g, b));
|
|
return OK;
|
|
}
|
|
|
|
return ERR;
|
|
}
|
|
|
|
bool can_change_color()
|
|
{
|
|
return can_change;
|
|
}
|
|
|
|
int has_colors()
|
|
{
|
|
return ((orig_pair != NULL) && (max_colors != -1) && (max_pairs != -1)
|
|
&&
|
|
(((set_foreground != NULL) && (set_background != NULL)) ||
|
|
((set_a_foreground != NULL) && (set_a_background != NULL)))
|
|
);
|
|
}
|
|
|
|
int color_content(short color, short *r, short *g, short *b)
|
|
{
|
|
return ERR;
|
|
}
|
|
|
|
int pair_content(short pair, short *f, short *b)
|
|
{
|
|
|
|
if ((pair < 1) || (pair > COLOR_PAIRS))
|
|
return ERR;
|
|
*f = color_pairs[pair] & 0x0f;
|
|
*b = color_pairs[pair] & 0xf0;
|
|
*b >>= 4;
|
|
return OK;
|
|
}
|
|
|