static bool will_print_blank(cell c)
{
return (((cell_style(c) == PICTURE_STYLE) && !show_pictures)
|| ((cell_char(c) == ' ')
&& ((cell_style(c) != REVERSE_STYLE)
|| (rv_blank_char == ' '))));
}
/* Print a cell to stdout. */
static void show_cell(cell cel)
{
char c = cell_char(cel);
switch (cell_style(cel)) {
case 0:
putchar(c);
break;
case PICTURE_STYLE:
putchar(show_pictures ? c : ' ');
break;
case REVERSE_STYLE:
if (c == ' ')
putchar(rv_blank_char);
else
switch (rv_mode) {
case RV_NONE: putchar(c); break;
case RV_CAPS: putchar(toupper(c)); break;
case RV_UNDERLINE: putchar('_'); putchar('\b'); putchar(c); break;
case RV_DOUBLESTRIKE: putchar(c); putchar('\b'); putchar(c); break;
}
break;
}
}
bool dumb_output_handle_setting(const char *setting, bool show_cursor,
bool startup)
{
char *p;
int i;
if (!strncmp(setting, "pb", 2)) {
toggle(&show_pictures, setting[2]);
printf("Picture outlines display %s\n", show_pictures ? "ON" : "OFF");
if (startup)
return TRUE;
for (i = 0; i < screen_cells; i++)
screen_changes[i] = (cell_style(screen_data[i]) == PICTURE_STYLE);
dumb_show_screen(show_cursor);
} else if (!strncmp(setting, "vb", 2)) {
toggle(&visual_bell, setting[2]);
printf("Visual bell %s\n", visual_bell ? "ON" : "OFF");
os_beep(1); os_beep(2);
} else if (!strncmp(setting, "ln", 2)) {
toggle(&show_line_numbers, setting[2]);
printf("Line numbering %s\n", show_line_numbers ? "ON" : "OFF");
} else if (!strncmp(setting, "lt", 2)) {
toggle(&show_line_types, setting[2]);
printf("Line-type display %s\n", show_line_types ? "ON" : "OFF");
} else if (*setting == 'c') {
switch (setting[1]) {
case 'm': compression_mode = COMPRESSION_MAX; break;
case 's': compression_mode = COMPRESSION_SPANS; break;
case 'n': compression_mode = COMPRESSION_NONE; break;
case 'h': hide_lines = atoi(&setting[2]); break;
default: return FALSE;
}
printf("Compression mode %s, hiding top %d lines\n",
compression_names[compression_mode], hide_lines);
} else if (*setting == 'r') {
switch (setting[1]) {
case 'n': rv_mode = RV_NONE; break;
case 'o': rv_mode = RV_DOUBLESTRIKE; break;
case 'u': rv_mode = RV_UNDERLINE; break;
case 'c': rv_mode = RV_CAPS; break;
case 'b': rv_blank_char = setting[2] ? setting[2] : ' '; break;
default: return FALSE;
}
printf("Reverse-video mode %s, blanks reverse to '%c': ",
rv_names[rv_mode], rv_blank_char);
for (p = "sample reverse text"; *p; p++)
show_cell(make_cell(REVERSE_STYLE, *p));
putchar('\n');
for (i = 0; i < screen_cells; i++)
screen_changes[i] = (cell_style(screen_data[i]) == REVERSE_STYLE);
dumb_show_screen(show_cursor);
} else if (!strcmp(setting, "set")) {
printf("Compression Mode %s, hiding top %d lines\n",
compression_names[compression_mode], hide_lines);
printf("Picture Boxes display %s\n", show_pictures ? "ON" : "OFF");
printf("Visual Bell %s\n", visual_bell ? "ON" : "OFF");
os_beep(1); os_beep(2);
printf("Line Numbering %s\n", show_line_numbers ? "ON" : "OFF");
printf("Line-Type display %s\n", show_line_types ? "ON" : "OFF");
printf("Reverse-Video mode %s, Blanks reverse to '%c': ",
rv_names[rv_mode], rv_blank_char);
for (p = "sample reverse text"; *p; p++)
show_cell(make_cell(REVERSE_STYLE, *p));
putchar('\n');
} else
return FALSE;
return TRUE;
}
/* Check if a cell is a blank or will display as one.
* (Used to help decide if contents are worth printing.) */
static bool is_blank(cell c)
{
return ((cell_char(c) == ' ')
|| ((cell_style(c) == PICTURE_STYLE) && !show_pictures));
}
