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Ticket #2005 (viewer: Text area is not updated in hex mode)

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fixed: Text area is not updated in hex mode (in utf-8).

Signed-off-by: Ilia Maslakov <il.smind@gmail.com>
This commit is contained in:
Ilia Maslakov 2010-04-28 15:39:56 +04:00
parent bc0ad94461
commit 86758ed198
1 changed files with 65 additions and 2 deletions
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67
src/viewer/hex.c
View File

@ -69,6 +69,49 @@ typedef enum
static const char hex_char[] = "0123456789ABCDEF"; static const char hex_char[] = "0123456789ABCDEF";
static int
utf8_to_int (char * str, int * char_width, gboolean * result)
{
int res = -1;
gunichar ch;
gchar *next_ch = NULL;
int width = 0;
*result = TRUE;
if (str == NULL)
{
*result = FALSE;
width = 0;
return 0;
}
res = g_utf8_get_char_validated (str, -1);
if (res < 0)
{
ch = *str;
width = 0;
}
else
{
ch = res;
/* Calculate UTF-8 char width */
next_ch = g_utf8_next_char (str);
if (next_ch)
{
width = next_ch - str;
}
else
{
ch = 0;
width = 0;
}
}
*char_width = width;
return ch;
}
/*** file scope functions ************************************************************************/ /*** file scope functions ************************************************************************/
/*** public functions ****************************************************************************/ /*** public functions ****************************************************************************/
@ -95,7 +138,6 @@ mcview_display_hex (mcview_t * view)
int c; int c;
mark_t boldflag = MARK_NORMAL; mark_t boldflag = MARK_NORMAL;
struct hexedit_change_node *curr = view->change_list; struct hexedit_change_node *curr = view->change_list;
size_t i;
int ch = 0; int ch = 0;
char hex_buff[10]; /* A temporary buffer for sprintf and mvwaddstr */ char hex_buff[10]; /* A temporary buffer for sprintf and mvwaddstr */
@ -112,6 +154,7 @@ mcview_display_hex (mcview_t * view)
for (row = 0; mcview_get_byte (view, from, NULL) == TRUE && row < height; row++) for (row = 0; mcview_get_byte (view, from, NULL) == TRUE && row < height; row++)
{ {
size_t i;
col = 0; col = 0;
/* Print the hex offset */ /* Print the hex offset */
@ -133,11 +176,31 @@ mcview_display_hex (mcview_t * view)
#ifdef HAVE_CHARSET #ifdef HAVE_CHARSET
if (view->utf8) if (view->utf8)
{ {
int cw = 1; char corr_buf[6 + 1];
int cnt, cw = 1;
gboolean read_res = TRUE; gboolean read_res = TRUE;
ch = mcview_get_utf (view, from, &cw, &read_res); ch = mcview_get_utf (view, from, &cw, &read_res);
if (!read_res) if (!read_res)
break; break;
/* char width is greater 0 bytes */
if (cw != 0)
{
struct hexedit_change_node *corr = curr;
int res = g_unichar_to_utf8 (ch, (char *) corr_buf);
for (cnt = 0; cnt < cw; cnt++)
{
if (curr != NULL && from + cnt == curr->offset)
{
/* replace only changed bytes in array of multibyte char */
corr_buf[cnt] = curr->value;
curr = curr->next;
}
}
corr_buf[res] = '\0';
/* Determine the state of the current multibyte char */
ch = utf8_to_int ((char *) corr_buf, &cw, &read_res);
curr = corr;
}
} }
#endif #endif
if (!mcview_get_byte (view, from, &c)) if (!mcview_get_byte (view, from, &c))