| 1 | #include <stdio.h> |
| 2 | #include <stdlib.h> |
| 3 | #include <string.h> |
| 4 | #include <ctype.h> |
| 5 | #include <assert.h> |
| 6 | |
| 7 | #if defined(unix) && !defined(GO32) |
| 8 | #include <signal.h> |
| 9 | #include <sys/ioctl.h> |
| 10 | #endif |
| 11 | |
| 12 | #include <slang.h> |
| 13 | |
| 14 | #include "tweak.h" |
| 15 | |
| 16 | #if defined(unix) && !defined(GO32) |
| 17 | static int sigwinch (int sigtype) |
| 18 | { |
| 19 | extern void schedule_update(void); |
| 20 | schedule_update(); |
| 21 | signal (SIGWINCH, (void *) sigwinch); |
| 22 | return 0; |
| 23 | } |
| 24 | #endif |
| 25 | |
| 26 | int display_rows, display_cols; |
| 27 | |
| 28 | void display_beep(void) |
| 29 | { |
| 30 | SLtt_beep(); |
| 31 | } |
| 32 | |
| 33 | static void get_screen_size (void) { |
| 34 | int r = 0, c = 0; |
| 35 | |
| 36 | #ifdef TIOCGWINSZ |
| 37 | struct winsize wind_struct; |
| 38 | |
| 39 | if ((ioctl(1,TIOCGWINSZ,&wind_struct) == 0) |
| 40 | || (ioctl(0, TIOCGWINSZ, &wind_struct) == 0) |
| 41 | || (ioctl(2, TIOCGWINSZ, &wind_struct) == 0)) { |
| 42 | c = (int) wind_struct.ws_col; |
| 43 | r = (int) wind_struct.ws_row; |
| 44 | } |
| 45 | #elif defined(MSDOS) |
| 46 | union REGS regs; |
| 47 | |
| 48 | regs.h.ah = 0x0F; |
| 49 | int86 (0x10, ®s, ®s); |
| 50 | c = regs.h.ah; |
| 51 | |
| 52 | regs.x.ax = 0x1130, regs.h.bh = 0; |
| 53 | int86 (0x10, ®s, ®s); |
| 54 | r = regs.h.dl + 1; |
| 55 | #endif |
| 56 | |
| 57 | if ((r <= 0) || (r > 200)) r = 24; |
| 58 | if ((c <= 0) || (c > 250)) c = 80; |
| 59 | display_rows = SLtt_Screen_Rows = r; |
| 60 | display_cols = SLtt_Screen_Cols = c; |
| 61 | } |
| 62 | |
| 63 | void display_setup(void) |
| 64 | { |
| 65 | SLtt_get_terminfo(); |
| 66 | |
| 67 | if (SLang_init_tty (ABORT, 1, 0) == -1) { |
| 68 | fprintf(stderr, "tweak: SLang_init_tty: returned error code\n"); |
| 69 | exit (1); |
| 70 | } |
| 71 | SLang_set_abort_signal (NULL); |
| 72 | SLtt_Use_Ansi_Colors = TRUE; |
| 73 | |
| 74 | get_screen_size (); |
| 75 | if (SLsmg_init_smg () < 0) { |
| 76 | fprintf(stderr, "tweak: SLsmg_init_smg: returned error code\n"); |
| 77 | SLang_reset_tty (); |
| 78 | exit (1); |
| 79 | } |
| 80 | |
| 81 | #if defined(unix) && !defined(GO32) |
| 82 | signal (SIGWINCH, (void *) sigwinch); |
| 83 | #endif |
| 84 | } |
| 85 | |
| 86 | void display_cleanup(void) |
| 87 | { |
| 88 | SLsmg_reset_smg (); |
| 89 | SLang_reset_tty (); |
| 90 | } |
| 91 | |
| 92 | void display_moveto(int y, int x) |
| 93 | { |
| 94 | SLsmg_gotorc(y, x); |
| 95 | } |
| 96 | |
| 97 | void display_refresh(void) |
| 98 | { |
| 99 | SLsmg_refresh(); |
| 100 | } |
| 101 | |
| 102 | void display_write_str(char *str) |
| 103 | { |
| 104 | SLsmg_write_nchars(str, strlen(str)); |
| 105 | } |
| 106 | |
| 107 | void display_write_chars(char *str, int len) |
| 108 | { |
| 109 | SLsmg_write_nchars(str, len); |
| 110 | } |
| 111 | |
| 112 | void display_define_colour(int colour, int fg, int bg) |
| 113 | { |
| 114 | static char *colours[16] = { |
| 115 | "black", "red", "green", "brown", |
| 116 | "blue", "magenta", "cyan", "lightgray", |
| 117 | "gray", "brightred", "brightgreen", "yellow", |
| 118 | "brightblue", "brightmagenta", "brightcyan", "white", |
| 119 | }; |
| 120 | char cname[40]; |
| 121 | |
| 122 | sprintf(cname, "colour%d", colour); |
| 123 | |
| 124 | SLtt_set_color(colour, cname, colours[fg], colours[bg]); |
| 125 | } |
| 126 | |
| 127 | void display_set_colour(int colour) |
| 128 | { |
| 129 | SLsmg_set_color(colour); |
| 130 | } |
| 131 | |
| 132 | void display_clear_to_eol(void) |
| 133 | { |
| 134 | SLsmg_erase_eol(); |
| 135 | } |
| 136 | |
| 137 | int display_getkey(void) |
| 138 | { |
| 139 | return SLang_getkey(); |
| 140 | } |
| 141 | |
| 142 | int display_input_to_flush(void) |
| 143 | { |
| 144 | return SLang_input_pending(0); |
| 145 | } |
| 146 | |
| 147 | void display_post_error(void) |
| 148 | { |
| 149 | SLKeyBoard_Quit = 0; |
| 150 | SLang_Error = 0; |
| 151 | } |
| 152 | |
| 153 | void display_recheck_size(void) |
| 154 | { |
| 155 | SLsmg_reset_smg (); |
| 156 | get_screen_size (); |
| 157 | SLsmg_init_smg (); |
| 158 | } |