Further improvements
This commit is contained in:
parent
ebeab19626
commit
dc33535bbb
GPG Key ID:
B715679E3A361BE6
200
hex.c
200
hex.c
|
|
@ -93,7 +93,6 @@ update_curses_terminal_size (void)
|
|||
enum
|
||||
{
|
||||
ROW_SIZE = 16, ///< How many bytes on a row
|
||||
FOOTER_SIZE = 4, ///< How many rows form the footer
|
||||
};
|
||||
|
||||
enum endianity
|
||||
|
|
@ -115,6 +114,9 @@ static struct app_context
|
|||
|
||||
// Data:
|
||||
|
||||
char *message; ///< Last logged message
|
||||
int message_attr; ///< Attributes for the logged message
|
||||
|
||||
struct config config; ///< Program configuration
|
||||
char *filename; ///< Target filename
|
||||
|
||||
|
|
@ -251,7 +253,7 @@ app_init_terminal (void)
|
|||
TERMO_CHECK_VERSION;
|
||||
if (!(g_ctx.tk = termo_new (STDIN_FILENO, NULL, 0)))
|
||||
abort ();
|
||||
if (!initscr () || nonl () == ERR || curs_set (1) == ERR)
|
||||
if (!initscr () || nonl () == ERR)
|
||||
abort ();
|
||||
|
||||
// By default we don't use any colors so they're not required...
|
||||
|
|
@ -281,6 +283,8 @@ app_free_context (void)
|
|||
config_free (&g_ctx.config);
|
||||
poller_free (&g_ctx.poller);
|
||||
|
||||
free (g_ctx.message);
|
||||
|
||||
free (g_ctx.filename);
|
||||
free (g_ctx.data);
|
||||
|
||||
|
|
@ -343,16 +347,16 @@ app_write_line (const char *str, chtype attrs)
|
|||
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||||
|
||||
static int
|
||||
app_visible_items (void)
|
||||
app_visible_rows (void)
|
||||
{
|
||||
return MAX (0, LINES - FOOTER_SIZE);
|
||||
return MAX (0, LINES - 1 /* bar */ - 3 /* decoder */ - !!g_ctx.message);
|
||||
}
|
||||
|
||||
static void
|
||||
app_draw_view (void)
|
||||
{
|
||||
int64_t end_addr = g_ctx.data_offset + g_ctx.data_len;
|
||||
for (int y = 0; y < app_visible_items (); y++)
|
||||
for (int y = 0; y < app_visible_rows (); y++)
|
||||
{
|
||||
int64_t row_addr = g_ctx.view_top + y * ROW_SIZE;
|
||||
if (row_addr >= end_addr)
|
||||
|
|
@ -405,6 +409,8 @@ app_draw_view (void)
|
|||
}
|
||||
}
|
||||
|
||||
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||||
|
||||
static uint64_t
|
||||
app_decode (const uint8_t *p, size_t len)
|
||||
{
|
||||
|
|
@ -413,8 +419,8 @@ app_decode (const uint8_t *p, size_t len)
|
|||
for (size_t i = 0; i < len; i++)
|
||||
val = val << 8 | (uint64_t) p[i];
|
||||
else
|
||||
for (size_t i = len; i--; )
|
||||
val = val << 8 | (uint64_t) p[i];
|
||||
while (len--)
|
||||
val = val << 8 | (uint64_t) p[len];
|
||||
return val;
|
||||
}
|
||||
|
||||
|
|
@ -452,7 +458,7 @@ app_footer_field (struct row_buffer *b, char id, int len, const char *fmt, ...)
|
|||
static void
|
||||
app_draw_footer (void)
|
||||
{
|
||||
move (app_visible_items (), 0);
|
||||
move (app_visible_rows (), 0);
|
||||
|
||||
// XXX: can we get rid of this and still make it look acceptable?
|
||||
chtype a_normal = APP_ATTR (BAR);
|
||||
|
|
@ -478,17 +484,24 @@ app_draw_footer (void)
|
|||
"%s ", g_ctx.endianity == ENDIANITY_LE ? "LE" : "BE");
|
||||
|
||||
int64_t top = g_ctx.view_top;
|
||||
int64_t bot = g_ctx.view_top + app_visible_items () * ROW_SIZE;
|
||||
int64_t bot = g_ctx.view_top + app_visible_rows () * ROW_SIZE;
|
||||
if (top <= g_ctx.data_offset
|
||||
&& bot > g_ctx.data_offset + g_ctx.data_len)
|
||||
&& bot >= g_ctx.data_offset + g_ctx.data_len)
|
||||
str_append (&right, "All");
|
||||
else if (top <= g_ctx.data_offset)
|
||||
str_append (&right, "Top");
|
||||
else if (bot > g_ctx.data_offset + g_ctx.data_len)
|
||||
else if (bot >= g_ctx.data_offset + g_ctx.data_len)
|
||||
str_append (&right, "Bot");
|
||||
else
|
||||
// TODO: position indication in percents
|
||||
str_append (&right, "??%");
|
||||
{
|
||||
int64_t end_addr = g_ctx.data_offset + g_ctx.data_len;
|
||||
int64_t cur = g_ctx.view_top / ROW_SIZE;
|
||||
int64_t max = (end_addr - 1) / ROW_SIZE - app_visible_rows () + 1;
|
||||
|
||||
cur -= g_ctx.data_offset / ROW_SIZE;
|
||||
max -= g_ctx.data_offset / ROW_SIZE;
|
||||
str_append_printf (&right, "%2d%%", (int) (100 * cur / max));
|
||||
}
|
||||
|
||||
row_buffer_align (&buf, COLS - right.len, a_normal);
|
||||
row_buffer_append (&buf, right.str, a_normal);
|
||||
|
|
@ -537,6 +550,9 @@ app_draw_footer (void)
|
|||
app_flush_buffer (&x, COLS, APP_ATTR (FOOTER));
|
||||
app_flush_buffer (&u, COLS, APP_ATTR (FOOTER));
|
||||
app_flush_buffer (&s, COLS, APP_ATTR (FOOTER));
|
||||
|
||||
if (g_ctx.message)
|
||||
app_write_line (g_ctx.message, g_ctx.attrs[g_ctx.message_attr].attrs);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -550,9 +566,15 @@ app_on_refresh (void *user_data)
|
|||
app_draw_footer ();
|
||||
|
||||
int64_t diff = g_ctx.view_cursor - g_ctx.view_top;
|
||||
int y = diff / ROW_SIZE;
|
||||
int x = diff % ROW_SIZE;
|
||||
move (y, 10 + x*2 + g_ctx.view_skip_nibble + x/8 + x/2);
|
||||
int64_t y = diff / ROW_SIZE;
|
||||
int64_t x = diff % ROW_SIZE;
|
||||
if (y >= 0 && y < app_visible_rows ())
|
||||
{
|
||||
curs_set (1);
|
||||
move (y, 10 + x*2 + g_ctx.view_skip_nibble + x/8 + x/2);
|
||||
}
|
||||
else
|
||||
curs_set (0);
|
||||
|
||||
refresh ();
|
||||
}
|
||||
|
|
@ -572,7 +594,7 @@ app_fix_view_range (void)
|
|||
|
||||
// If the contents are at least as long as the screen, always fill it
|
||||
int64_t max_view_top = ((g_ctx.data_offset + g_ctx.data_len - 1)
|
||||
/ ROW_SIZE - app_visible_items () + 1) * ROW_SIZE;
|
||||
/ ROW_SIZE - app_visible_rows () + 1) * ROW_SIZE;
|
||||
// But don't let that suggest a negative offset
|
||||
max_view_top = MAX (max_view_top, 0);
|
||||
|
||||
|
|
@ -602,7 +624,7 @@ app_ensure_selection_visible (void)
|
|||
app_scroll (-too_high);
|
||||
|
||||
int too_low = g_ctx.view_cursor / ROW_SIZE
|
||||
- (g_ctx.view_top / ROW_SIZE + app_visible_items () - 1);
|
||||
- (g_ctx.view_top / ROW_SIZE + app_visible_rows () - 1);
|
||||
if (too_low > 0)
|
||||
app_scroll (too_low);
|
||||
}
|
||||
|
|
@ -615,7 +637,7 @@ app_move_selection (int diff)
|
|||
fixed = MAX (fixed, g_ctx.data_offset);
|
||||
fixed = MIN (fixed, g_ctx.data_offset + g_ctx.data_len - 1);
|
||||
|
||||
bool result = g_ctx.view_cursor != fixed;
|
||||
bool result = g_ctx.view_cursor == fixed;
|
||||
g_ctx.view_cursor = fixed;
|
||||
app_invalidate ();
|
||||
|
||||
|
|
@ -698,12 +720,12 @@ app_process_action (enum action action)
|
|||
break;
|
||||
|
||||
case ACTION_GOTO_PAGE_PREVIOUS:
|
||||
app_scroll (FOOTER_SIZE - LINES);
|
||||
app_move_selection (FOOTER_SIZE - LINES);
|
||||
app_scroll (-app_visible_rows ());
|
||||
app_move_selection (-app_visible_rows ());
|
||||
break;
|
||||
case ACTION_GOTO_PAGE_NEXT:
|
||||
app_scroll (LINES - FOOTER_SIZE);
|
||||
app_move_selection (LINES - FOOTER_SIZE);
|
||||
app_scroll (app_visible_rows ());
|
||||
app_move_selection (app_visible_rows ());
|
||||
break;
|
||||
|
||||
case ACTION_UP:
|
||||
|
|
@ -757,28 +779,36 @@ app_process_action (enum action action)
|
|||
static bool
|
||||
app_process_left_mouse_click (int line, int column)
|
||||
{
|
||||
if (line == app_visible_items ())
|
||||
if (line < 0)
|
||||
return false;
|
||||
|
||||
if (line == app_visible_rows ())
|
||||
{
|
||||
if (column < COLS - 7
|
||||
|| column >= COLS - 5)
|
||||
return false;
|
||||
|
||||
// TODO: LE/BE switch
|
||||
return app_process_action (ACTION_TOGGLE_ENDIANITY);
|
||||
}
|
||||
else if (line < app_visible_items ())
|
||||
else if (line < app_visible_rows ())
|
||||
{
|
||||
if (line < 0)
|
||||
// TODO: employ strict checking here before the autofix
|
||||
int offset;
|
||||
if (column >= 10 && column < 50)
|
||||
{
|
||||
offset = column - 10;
|
||||
offset -= offset/5 + offset/21;
|
||||
g_ctx.view_skip_nibble = offset % 2;
|
||||
offset /= 2;
|
||||
}
|
||||
else if (column >= 52 && column < 68)
|
||||
{
|
||||
offset = column - 52;
|
||||
g_ctx.view_skip_nibble = false;
|
||||
}
|
||||
else
|
||||
return false;
|
||||
|
||||
// TODO: convert and check "column"
|
||||
if (column < 10 || column >= 50)
|
||||
return false;
|
||||
|
||||
int offset = column - 10;
|
||||
offset -= offset/5 + offset/21;
|
||||
g_ctx.view_skip_nibble = (offset & 1) == 1;
|
||||
|
||||
g_ctx.view_cursor = g_ctx.view_top + line * ROW_SIZE + offset / 2;
|
||||
g_ctx.view_cursor = g_ctx.view_top + line * ROW_SIZE + offset;
|
||||
return app_move_selection (0);
|
||||
}
|
||||
return true;
|
||||
|
|
@ -805,52 +835,69 @@ static struct binding
|
|||
{
|
||||
const char *key; ///< Key definition
|
||||
enum action action; ///< Action to take
|
||||
termo_key_t decoded; ///< Decoded key definition
|
||||
}
|
||||
g_default_bindings[] =
|
||||
{
|
||||
{ "Escape", ACTION_QUIT },
|
||||
{ "q", ACTION_QUIT },
|
||||
{ "C-l", ACTION_REDRAW },
|
||||
{ "Tab", ACTION_TOGGLE_ENDIANITY },
|
||||
{ "Escape", ACTION_QUIT, {}},
|
||||
{ "q", ACTION_QUIT, {}},
|
||||
{ "C-l", ACTION_REDRAW, {}},
|
||||
{ "Tab", ACTION_TOGGLE_ENDIANITY, {}},
|
||||
|
||||
{ "Home", ACTION_GOTO_TOP },
|
||||
{ "End", ACTION_GOTO_BOTTOM },
|
||||
{ "M-<", ACTION_GOTO_TOP },
|
||||
{ "M->", ACTION_GOTO_BOTTOM },
|
||||
{ "PageUp", ACTION_GOTO_PAGE_PREVIOUS },
|
||||
{ "PageDown", ACTION_GOTO_PAGE_NEXT },
|
||||
{ "C-b", ACTION_GOTO_PAGE_PREVIOUS },
|
||||
{ "C-f", ACTION_GOTO_PAGE_NEXT },
|
||||
{ "Home", ACTION_GOTO_TOP, {}},
|
||||
{ "End", ACTION_GOTO_BOTTOM, {}},
|
||||
{ "M-<", ACTION_GOTO_TOP, {}},
|
||||
{ "M->", ACTION_GOTO_BOTTOM, {}},
|
||||
{ "PageUp", ACTION_GOTO_PAGE_PREVIOUS, {}},
|
||||
{ "PageDown", ACTION_GOTO_PAGE_NEXT, {}},
|
||||
{ "C-b", ACTION_GOTO_PAGE_PREVIOUS, {}},
|
||||
{ "C-f", ACTION_GOTO_PAGE_NEXT, {}},
|
||||
|
||||
{ "Up", ACTION_UP },
|
||||
{ "Down", ACTION_DOWN },
|
||||
{ "Left", ACTION_LEFT },
|
||||
{ "Right", ACTION_RIGHT },
|
||||
{ "k", ACTION_UP },
|
||||
{ "j", ACTION_DOWN },
|
||||
{ "h", ACTION_LEFT },
|
||||
{ "l", ACTION_RIGHT },
|
||||
{ "C-p", ACTION_UP },
|
||||
{ "C-n", ACTION_DOWN },
|
||||
{ "Up", ACTION_UP, {}},
|
||||
{ "Down", ACTION_DOWN, {}},
|
||||
{ "Left", ACTION_LEFT, {}},
|
||||
{ "Right", ACTION_RIGHT, {}},
|
||||
{ "k", ACTION_UP, {}},
|
||||
{ "j", ACTION_DOWN, {}},
|
||||
{ "h", ACTION_LEFT, {}},
|
||||
{ "l", ACTION_RIGHT, {}},
|
||||
{ "C-p", ACTION_UP, {}},
|
||||
{ "C-n", ACTION_DOWN, {}},
|
||||
|
||||
{ "C-y", ACTION_SCROLL_UP },
|
||||
{ "C-e", ACTION_SCROLL_DOWN },
|
||||
{ "C-y", ACTION_SCROLL_UP, {}},
|
||||
{ "C-e", ACTION_SCROLL_DOWN, {}},
|
||||
};
|
||||
|
||||
static int
|
||||
app_binding_cmp (const void *a, const void *b)
|
||||
{
|
||||
return termo_keycmp (g_ctx.tk,
|
||||
&((struct binding *) a)->decoded, &((struct binding *) b)->decoded);
|
||||
}
|
||||
|
||||
static void
|
||||
app_init_bindings (void)
|
||||
{
|
||||
for (size_t i = 0; i < N_ELEMENTS (g_default_bindings); i++)
|
||||
{
|
||||
struct binding *binding = &g_default_bindings[i];
|
||||
hard_assert (!*termo_strpkey_utf8 (g_ctx.tk,
|
||||
binding->key, &binding->decoded, TERMO_FORMAT_ALTISMETA));
|
||||
}
|
||||
qsort (g_default_bindings, N_ELEMENTS (g_default_bindings),
|
||||
sizeof *g_default_bindings, app_binding_cmp);
|
||||
}
|
||||
|
||||
static bool
|
||||
app_process_termo_event (termo_key_t *event)
|
||||
{
|
||||
// TODO: pre-parse the keys, order them by termo_keycmp() and binary search
|
||||
for (size_t i = 0; i < N_ELEMENTS (g_default_bindings); i++)
|
||||
{
|
||||
struct binding *binding = &g_default_bindings[i];
|
||||
termo_key_t key;
|
||||
hard_assert (!*termo_strpkey_utf8 (g_ctx.tk, binding->key, &key,
|
||||
TERMO_FORMAT_ALTISMETA));
|
||||
if (!termo_keycmp (g_ctx.tk, event, &key))
|
||||
return app_process_action (binding->action);
|
||||
}
|
||||
// TODO: use 0-9 a-f to overwrite nibbles
|
||||
struct binding dummy = { NULL, 0, *event }, *binding =
|
||||
bsearch (&dummy, g_default_bindings, N_ELEMENTS (g_default_bindings),
|
||||
sizeof *g_default_bindings, app_binding_cmp);
|
||||
if (binding)
|
||||
return app_process_action (binding->action);
|
||||
|
||||
// TODO: once we become an editor, use 0-9 a-f to overwrite nibbles
|
||||
return false;
|
||||
}
|
||||
|
||||
|
|
@ -1006,10 +1053,10 @@ app_log_handler (void *user_data, const char *quote, const char *fmt,
|
|||
fprintf (stderr, "%s\n", message.str);
|
||||
else
|
||||
{
|
||||
// TODO: think of a location to print this, maybe over decoding fields
|
||||
// TODO: remember the position and restore it
|
||||
move (LINES - 1, 0);
|
||||
app_write_line (message.str, A_REVERSE);
|
||||
free (g_ctx.message);
|
||||
g_ctx.message = xstrdup (message.str);
|
||||
g_ctx.message_attr = (intptr_t) user_data;
|
||||
app_invalidate ();
|
||||
}
|
||||
str_free (&message);
|
||||
|
||||
|
|
@ -1179,6 +1226,7 @@ main (int argc, char *argv[])
|
|||
signals_setup_handlers ();
|
||||
app_init_poller_events ();
|
||||
app_invalidate ();
|
||||
app_init_bindings ();
|
||||
|
||||
// Redirect all messages from liberty so that they don't disrupt display
|
||||
g_log_message_real = app_log_handler;
|
||||
|
|
|
|||
Loading…
Reference in New Issue