| 1 | #include "tweak.h" |
| 2 | |
| 3 | #include <stdio.h> |
| 4 | #include <stdlib.h> |
| 5 | #include <string.h> |
| 6 | #include <ctype.h> |
| 7 | #include <assert.h> |
| 8 | #include <curses.h> |
| 9 | |
| 10 | int display_rows, display_cols; |
| 11 | |
| 12 | void display_beep(void) |
| 13 | { |
| 14 | beep(); |
| 15 | } |
| 16 | |
| 17 | static void get_screen_size (void) { |
| 18 | getmaxyx(stdscr, display_rows, display_cols); |
| 19 | } |
| 20 | |
| 21 | void display_setup(void) |
| 22 | { |
| 23 | initscr(); |
| 24 | noecho(); |
| 25 | keypad(stdscr, 0); |
| 26 | raw(); |
| 27 | move(0,0); |
| 28 | refresh(); |
| 29 | get_screen_size(); |
| 30 | if (has_colors()) { |
| 31 | start_color(); |
| 32 | use_default_colors(); |
| 33 | } |
| 34 | } |
| 35 | |
| 36 | void display_cleanup(void) |
| 37 | { |
| 38 | endwin(); |
| 39 | } |
| 40 | |
| 41 | void display_moveto(int y, int x) |
| 42 | { |
| 43 | wmove(stdscr, y, x); |
| 44 | } |
| 45 | |
| 46 | void display_refresh(void) |
| 47 | { |
| 48 | refresh(); |
| 49 | } |
| 50 | |
| 51 | void display_write_str(char *str) |
| 52 | { |
| 53 | waddstr(stdscr, str); |
| 54 | } |
| 55 | |
| 56 | void display_write_chars(char *str, int len) |
| 57 | { |
| 58 | waddnstr(stdscr, str, len); |
| 59 | } |
| 60 | |
| 61 | #define MAXCOLOURS 32 |
| 62 | int attrs[MAXCOLOURS]; |
| 63 | |
| 64 | void display_define_colour(int colour, int fg, int bg, int reverse) |
| 65 | { |
| 66 | static int colours[8] = { |
| 67 | COLOR_BLACK, |
| 68 | COLOR_RED, |
| 69 | COLOR_GREEN, |
| 70 | COLOR_YELLOW, |
| 71 | COLOR_BLUE, |
| 72 | COLOR_MAGENTA, |
| 73 | COLOR_CYAN, |
| 74 | COLOR_WHITE, |
| 75 | }; |
| 76 | |
| 77 | if (fg < 0 && bg < 0) { |
| 78 | attrs[colour] = 0; |
| 79 | } else { |
| 80 | assert(colour >= 0 && colour < MAXCOLOURS); |
| 81 | assert(!(bg & ~7)); /* bold backgrounds are nonportable */ |
| 82 | if (colour < COLOR_PAIRS-2) { |
| 83 | init_pair(colour+1, colours[fg & 7], colours[bg]); |
| 84 | attrs[colour] = (fg & 8 ? A_BOLD : 0) | COLOR_PAIR(colour+1); |
| 85 | } else { |
| 86 | /* can't allocate a colour pair, so we just use b&w attrs */ |
| 87 | attrs[colour] = (fg & 8 ? A_BOLD : 0) | (reverse ? A_REVERSE : 0); |
| 88 | } |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | void display_set_colour(int colour) |
| 93 | { |
| 94 | wattrset(stdscr, attrs[colour]); |
| 95 | } |
| 96 | |
| 97 | void display_clear_to_eol(void) |
| 98 | { |
| 99 | wclrtoeol(stdscr); |
| 100 | } |
| 101 | |
| 102 | int last_getch = ERR; |
| 103 | |
| 104 | int display_getkey(void) |
| 105 | { |
| 106 | int ret; |
| 107 | extern void schedule_update(void); |
| 108 | |
| 109 | if (last_getch != ERR) { |
| 110 | int ret = last_getch; |
| 111 | last_getch = ERR; |
| 112 | return ret; |
| 113 | } |
| 114 | while (1) { |
| 115 | ret = getch(); |
| 116 | if (ret == KEY_RESIZE) { |
| 117 | schedule_update(); |
| 118 | continue; |
| 119 | } |
| 120 | return ret; |
| 121 | } |
| 122 | } |
| 123 | |
| 124 | int display_input_to_flush(void) |
| 125 | { |
| 126 | int ret; |
| 127 | if (last_getch != ERR) |
| 128 | return TRUE; |
| 129 | |
| 130 | nodelay(stdscr, 1); |
| 131 | ret = getch(); |
| 132 | nodelay(stdscr, 0); |
| 133 | if (ret == ERR) |
| 134 | return FALSE; |
| 135 | |
| 136 | last_getch = ret; |
| 137 | return TRUE; |
| 138 | } |
| 139 | |
| 140 | void display_post_error(void) |
| 141 | { |
| 142 | /* I don't _think_ we need do anything here */ |
| 143 | } |
| 144 | |
| 145 | void display_recheck_size(void) |
| 146 | { |
| 147 | get_screen_size (); |
| 148 | } |