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Various bugfixes 

Mostly usable now.
This commit is contained in:
Přemysl Eric Janouch 2016-12-30 02:47:40 +01:00
parent 742647ef80
commit 5705ef3fdf
Signed by: p
GPG Key ID: B715679E3A361BE6
1 changed files with 51 additions and 37 deletions
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hex.c
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@ -355,7 +355,7 @@ app_draw_view (void)
for (int y = 0; y < app_visible_items (); y++) for (int y = 0; y < app_visible_items (); y++)
{ {
int64_t row_addr = g_ctx.view_top + y * ROW_SIZE; int64_t row_addr = g_ctx.view_top + y * ROW_SIZE;
if (row_addr > end_addr) if (row_addr >= end_addr)
break; break;
int row_attrs = (row_addr / ROW_SIZE & 1) int row_attrs = (row_addr / ROW_SIZE & 1)
@ -460,49 +460,55 @@ app_draw_footer (void)
struct str s; str_init (&s); struct str s; str_init (&s);
int64_t len = end_addr - g_ctx.view_cursor; int64_t len = end_addr - g_ctx.view_cursor;
uint8_t *cursor = g_ctx.data + (g_ctx.view_cursor - g_ctx.data_offset); uint8_t *p = g_ctx.data + (g_ctx.view_cursor - g_ctx.data_offset);
uint8_t copy[8] = {};
memcpy (copy, cursor, MIN (len, 8));
if (g_ctx.endianity == ENDIANITY_BE)
for (int i = 0; i < 4; i++)
{
uint8_t tmp = copy[7 - i];
copy[7 - i] = copy[i];
copy[i] = tmp;
}
// TODO: make the headers bold // TODO: make the headers bold
const char *coding = g_ctx.endianity == ENDIANITY_LE ? "le" : "be"; const char *coding = g_ctx.endianity == ENDIANITY_LE ? "le" : "be";
uint64_t val;
if (len >= 1) if (len >= 1)
{ {
str_append_printf (&x, "x8 %02x", copy[0]); str_append_printf (&x, "x8 %02x", (uint8_t) p[0]);
str_append_printf (&u, "u8 %4u", copy[0]); str_append_printf (&u, "u8 %4u", (uint8_t) p[0]);
str_append_printf (&s, "s8 %4d", copy[0]); str_append_printf (&s, "s8 %4d", (int8_t) p[0]);
} }
if (len >= 2) if (len >= 2)
{ {
uint16_t val = copy[0] | copy[1] << 8; if (g_ctx.endianity == ENDIANITY_BE)
str_append_printf (&x, " x16%s %04x", coding, val); val = p[1] | p[0] << 8;
str_append_printf (&u, " u16%s %6u", coding, val); else
str_append_printf (&s, " s16%s %6d", coding, val); val = p[0] | p[1] << 8;
str_append_printf (&x, " x16%s %04x", coding, (uint16_t) val);
str_append_printf (&u, " u16%s %6u", coding, (uint16_t) val);
str_append_printf (&s, " s16%s %6d", coding, (int16_t) val);
} }
if (len >= 4) if (len >= 4)
{ {
uint32_t val = copy[0] | copy[1] << 8 | copy[2] << 16 | copy[3] << 24; if (g_ctx.endianity == ENDIANITY_BE)
str_append_printf (&x, " x32%s %08x", coding, val); val = p[3] | p[2] << 8 | p[1] << 16 | p[0] << 24;
str_append_printf (&u, " u32%s %11u", coding, val); else
str_append_printf (&s, " s32%s %11d", coding, val); val = p[0] | p[1] << 8 | p[2] << 16 | p[3] << 24;
str_append_printf (&x, " x32%s %08x", coding, (uint32_t) val);
str_append_printf (&u, " u32%s %11u", coding, (uint32_t) val);
str_append_printf (&s, " s32%s %11d", coding, (int32_t) val);
} }
if (len >= 8) if (len >= 8)
{ {
uint64_t val = copy[0] | copy[1] << 8 | copy[2] << 16 | copy[3] << 24 if (g_ctx.endianity == ENDIANITY_BE)
| (uint64_t) copy[4] << 32 | (uint64_t) copy[5] << 40 val = (uint64_t) p[7] | (uint64_t) p[6] << 8
| (uint64_t) copy[6] << 48 | (uint64_t) copy[7] << 56; | (uint64_t) p[5] << 16 | (uint64_t) p[4] << 24
| (uint64_t) p[3] << 32 | (uint64_t) p[2] << 40
| (uint64_t) p[1] << 48 | (uint64_t) p[0] << 56;
else
val = (uint64_t) p[0] | (uint64_t) p[1] << 8
| (uint64_t) p[2] << 16 | (uint64_t) p[3] << 24
| (uint64_t) p[4] << 32 | (uint64_t) p[5] << 40
| (uint64_t) p[6] << 48 | (uint64_t) p[7] << 56;
str_append_printf (&x, " x64%s %016" PRIx64, coding, val); str_append_printf (&x, " x64%s %016" PRIx64, coding, val);
str_append_printf (&u, " u64%s %20" PRIu64, coding, val); str_append_printf (&u, " u64%s %20" PRIu64, coding, val);
str_append_printf (&s, " s64%s %20" PRId64, coding, val); str_append_printf (&s, " s64%s %20" PRId64, coding, (int64_t) val);
} }
app_write_line (x.str, APP_ATTR (FOOTER)); app_write_line (x.str, APP_ATTR (FOOTER));
@ -546,8 +552,8 @@ app_fix_view_range (void)
} }
// If the contents are at least as long as the screen, always fill it // 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) int64_t max_view_top = ((g_ctx.data_offset + g_ctx.data_len - 1)
/ ROW_SIZE * ROW_SIZE - app_visible_items () * ROW_SIZE; / ROW_SIZE - app_visible_items () + 1) * ROW_SIZE;
// But don't let that suggest a negative offset // But don't let that suggest a negative offset
max_view_top = MAX (max_view_top, 0); max_view_top = MAX (max_view_top, 0);
@ -658,6 +664,7 @@ app_process_action (enum action action)
case ACTION_GOTO_TOP: case ACTION_GOTO_TOP:
g_ctx.view_cursor = g_ctx.data_offset; g_ctx.view_cursor = g_ctx.data_offset;
g_ctx.view_skip_nibble = false;
app_ensure_selection_visible (); app_ensure_selection_visible ();
app_invalidate (); app_invalidate ();
break; break;
@ -666,6 +673,7 @@ app_process_action (enum action action)
break; break;
g_ctx.view_cursor = g_ctx.data_offset + g_ctx.data_len - 1; g_ctx.view_cursor = g_ctx.data_offset + g_ctx.data_len - 1;
g_ctx.view_skip_nibble = false;
app_ensure_selection_visible (); app_ensure_selection_visible ();
app_invalidate (); app_invalidate ();
break; break;
@ -690,7 +698,9 @@ app_process_action (enum action action)
g_ctx.view_skip_nibble = false; g_ctx.view_skip_nibble = false;
else else
{ {
// TODO: check bounds if (g_ctx.view_cursor <= g_ctx.data_offset)
return false;
g_ctx.view_skip_nibble = true; g_ctx.view_skip_nibble = true;
g_ctx.view_cursor--; g_ctx.view_cursor--;
} }
@ -702,7 +712,9 @@ app_process_action (enum action action)
g_ctx.view_skip_nibble = true; g_ctx.view_skip_nibble = true;
else else
{ {
// TODO: check bounds if (g_ctx.view_cursor >= g_ctx.data_offset + g_ctx.data_len - 1)
return false;
g_ctx.view_skip_nibble = false; g_ctx.view_skip_nibble = false;
g_ctx.view_cursor++; g_ctx.view_cursor++;
} }
@ -740,13 +752,15 @@ app_process_left_mouse_click (int line, int column)
return false; return false;
// TODO: convert and check "column" // TODO: convert and check "column"
int offset = 0;
if (column < 10 || column >= 50) if (column < 10 || column >= 50)
return false; return false;
// TODO: check if the result is within bounds and return false if not int offset = column - 10;
g_ctx.view_cursor = g_ctx.view_top + line * ROW_SIZE + offset; offset -= offset/5 + offset/21;
app_invalidate (); g_ctx.view_skip_nibble = (offset & 1) == 1;
g_ctx.view_cursor = g_ctx.view_top + line * ROW_SIZE + offset / 2;
return app_move_selection (0);
} }
return true; return true;
} }