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Color the ASCII column instead

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This commit is contained in:
Přemysl Eric Janouch 2017-01-23 22:45:13 +01:00
parent 95be2d94d7
commit fccfd1dd3b
Signed by: p
GPG Key ID: B715679E3A361BE6
2 changed files with 28 additions and 11 deletions
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25
hex.c
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@ -544,9 +544,9 @@ app_make_row (struct row_buffer *buf, int64_t addr, int attrs)
row_buffer_append (buf, row_addr_str, attrs);
free (row_addr_str);
struct str ascii;
str_init (&ascii);
str_append (&ascii, " ");
struct row_buffer ascii;
row_buffer_init (&ascii);
row_buffer_append (&ascii, " ", attrs);
int64_t end_addr = g_ctx.data_offset + g_ctx.data_len;
for (int x = 0; x < ROW_SIZE; x++)
@ -559,29 +559,32 @@ app_make_row (struct row_buffer *buf, int64_t addr, int attrs)
|| cell_addr >= end_addr)
{
row_buffer_append (buf, " ", attrs);
str_append_c (&ascii, ' ');
row_buffer_append (&ascii, " ", attrs);
}
else
{
int cell_attrs = attrs;
int attrs_mark = attrs;
struct marks_by_offset *marks = app_marks_at_offset (cell_addr);
if (marks && marks->color >= 0)
cell_attrs = g_ctx.attrs[marks->color].attrs;
attrs_mark = g_ctx.attrs[marks->color].attrs;
int highlight = 0;
if (cell_addr >= g_ctx.view_cursor
&& cell_addr < g_ctx.view_cursor + 8)
cell_attrs |= A_UNDERLINE;
highlight = A_UNDERLINE;
// TODO: leave it up to the user to decide what should be colored
uint8_t cell = g_ctx.data[cell_addr - g_ctx.data_offset];
char *hex = xstrdup_printf ("%02x", cell);
row_buffer_append (buf, hex, cell_attrs);
row_buffer_append (buf, hex, attrs | highlight);
free (hex);
str_append_c (&ascii, (cell >= 32 && cell < 127) ? cell : '.');
char s[2] = { (cell >= 32 && cell < 127) ? cell : '.', 0 };
row_buffer_append (&ascii, s, attrs_mark | highlight);
}
}
row_buffer_append (buf, ascii.str, attrs);
str_free (&ascii);
row_buffer_append_buffer (buf, &ascii);
row_buffer_free (&ascii);
}
static void

14
tui.c
View File

@ -154,6 +154,20 @@ row_buffer_append_args (struct row_buffer *self, const char *s, ...)
va_end (ap);
}
static void
row_buffer_append_buffer (struct row_buffer *self, const struct row_buffer *rb)
{
while (self->chars_alloc - self->chars_len < rb->chars_len)
self->chars = xreallocarray (self->chars,
sizeof *self->chars, (self->chars_alloc <<= 1));
memcpy (self->chars + self->chars_len, rb->chars,
rb->chars_len * sizeof *rb->chars);
self->chars_len += rb->chars_len;
self->total_width += rb->total_width;
}
/// Pop as many codepoints as needed to free up "space" character cells.
/// Given the suffix nature of combining marks, this should work pretty fine.
static int