6242b2ee9c
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99 lines
2.5 KiB
C
99 lines
2.5 KiB
C
/* nccolour.c - Print out some ncurses colours.
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*
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* Compile using:
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* gcc nccolour.c -o nccolour -lncurses
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*
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* Written by Yoran Heling <projects@yorhel.nl>
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*
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* Date: 2011-06-11
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* License: MIT
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* Web: http://dev.yorhel.nl/dump/nccolour
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*/
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#include <stdlib.h>
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#include <curses.h>
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struct colour {
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int code; char *desc;
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} colours[] = {
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{ -1, "default" },
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{ COLOR_BLACK, "BLACK" },
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{ COLOR_RED, "RED" },
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{ COLOR_GREEN, "GREEN" },
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{ COLOR_YELLOW, "YELLOW" },
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{ COLOR_BLUE, "BLUE" },
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{ COLOR_MAGENTA, "MAGENTA" },
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{ COLOR_CYAN, "CYAN" },
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{ COLOR_WHITE, "WHITE" },
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};
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void print_colourpart(int attr, int i) {
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addstr(" ");
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attron(attr | COLOR_PAIR(i*6+1));
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addstr("FD");
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addstr(" ");
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attron(attr | COLOR_PAIR(i*6+2));
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addstr("FB");
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attroff(attr | COLOR_PAIR(i*6+2));
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addstr(" ");
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attron(attr | COLOR_PAIR(i*6+3));
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addstr("FW");
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attroff(attr | COLOR_PAIR(i*6+3));
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addstr(" ");
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attron(attr | COLOR_PAIR(i*6+4));
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addstr("BG");
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attroff(attr | COLOR_PAIR(i*6+4));
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addstr(" ");
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attron(attr | COLOR_PAIR(i*6+5));
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addstr("BD");
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attroff(attr | COLOR_PAIR(i*6+5));
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}
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int main(int argc, char **argv) {
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if(!initscr()) {
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printf("Error initializing screen.\n");
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exit(1);
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}
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if(!has_colors()) {
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printf("This terminal does not support colours.\n");
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exit(1);
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}
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start_color();
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// this prevents ncurses from forcing a white-on-black colour scheme,
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// regardless of what scheme is used by the terminal.
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use_default_colors();
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attron(A_BOLD);
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mvaddstr(0, 0, "Colour FD FB FW BG BD BFD BFB BFW BBG BBN");
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attroff(A_BOLD);
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int i;
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for(i=0; i<sizeof(colours)/sizeof(struct colour); i++) {
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init_pair(i*6+1, colours[i].code, -1);
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init_pair(i*6+2, colours[i].code, COLOR_BLACK);
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init_pair(i*6+3, colours[i].code, COLOR_WHITE);
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init_pair(i*6+4, colours[i].code, colours[i].code);
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init_pair(i*6+5, -1, colours[i].code);
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mvaddstr(i+2, 1, colours[i].desc);
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move(i+2, 8);
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print_colourpart(0, i);
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print_colourpart(A_BOLD, i);
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}
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mvaddstr(i+3, 2, "FD = Front colour on default background");
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mvaddstr(i+4, 2, "FB = Front colour on black background");
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mvaddstr(i+5, 2, "FW = Front colour on white background");
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mvaddstr(i+6, 2, "BG = Front and background colour");
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mvaddstr(i+7, 2, "BD = Background colour with default front colour");
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mvaddstr(i+8, 2, "B?? = As above, with A_BOLD enabled");
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mvaddstr(i+10, 0, "Hit any key to exit.");
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refresh();
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getch();
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endwin();
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return 0;
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}
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