void
mcview_moveto_bottom (mcview_t * view)
{
off_t filesize;
mcview_update_filesize (view);
if (view->growbuf_in_use)
mcview_growbuf_read_until (view, OFFSETTYPE_MAX);
filesize = mcview_get_filesize (view);
if (view->hex_mode)
{
view->hex_cursor = mcview_offset_doz (filesize, 1);
mcview_movement_fixups (view, TRUE);
}
else
{
const off_t datalines = view->data_area.height;
view->dpy_start = filesize;
mcview_move_up (view, datalines);
}
}
gboolean
mcview_get_byte_growing_buffer (mcview_t * view, off_t byte_index, int *retval)
{
off_t pageno;
off_t pageindex;
if (retval != NULL)
*retval = -1;
pageno = byte_index / VIEW_PAGE_SIZE;
pageindex = byte_index % VIEW_PAGE_SIZE;
assert (view->growbuf_in_use);
if (pageno < 0)
return FALSE;
mcview_growbuf_read_until (view, byte_index + 1);
if (view->growbuf_blockptr->len == 0)
return FALSE;
if (pageno < (off_t) view->growbuf_blockptr->len - 1)
{
if (retval != NULL)
*retval = *((byte *) (g_ptr_array_index (view->growbuf_blockptr, pageno) + pageindex));
return TRUE;
}
if (pageno == (off_t) view->growbuf_blockptr->len - 1
&& pageindex < (off_t) view->growbuf_lastindex)
{
if (retval != NULL)
*retval = *((byte *) (g_ptr_array_index (view->growbuf_blockptr, pageno) + pageindex));
return TRUE;
}
return FALSE;
}
char *
mcview_get_ptr_growing_buffer (WView * view, off_t byte_index)
{
off_t pageno, pageindex;
#ifdef HAVE_ASSERT_H
assert (view->growbuf_in_use);
#endif
if (byte_index < 0)
return NULL;
pageno = byte_index / VIEW_PAGE_SIZE;
pageindex = byte_index % VIEW_PAGE_SIZE;
mcview_growbuf_read_until (view, byte_index + 1);
if (view->growbuf_blockptr->len == 0)
return NULL;
if (pageno < (off_t) view->growbuf_blockptr->len - 1)
return ((char *) g_ptr_array_index (view->growbuf_blockptr, pageno) + pageindex);
if (pageno == (off_t) view->growbuf_blockptr->len - 1
&& pageindex < (off_t) view->growbuf_lastindex)
return ((char *) g_ptr_array_index (view->growbuf_blockptr, pageno) + pageindex);
return NULL;
}
char *
mcview_get_ptr_growing_buffer (mcview_t * view, off_t byte_index)
{
off_t pageno = byte_index / VIEW_PAGE_SIZE;
off_t pageindex = byte_index % VIEW_PAGE_SIZE;
assert (view->growbuf_in_use);
if (pageno < 0)
return NULL;
mcview_growbuf_read_until (view, byte_index + 1);
if (view->growbuf_blockptr->len == 0)
return NULL;
if (pageno < (off_t) view->growbuf_blockptr->len - 1)
return (char *) (g_ptr_array_index (view->growbuf_blockptr, pageno) + pageindex);
if (pageno == (off_t) view->growbuf_blockptr->len - 1
&& pageindex < (off_t) view->growbuf_lastindex)
return (char *) (g_ptr_array_index (view->growbuf_blockptr, pageno) + pageindex);
return NULL;
}
gboolean
mcview_dialog_goto (WView * view, off_t * offset)
{
typedef enum
{
MC_VIEW_GOTO_LINENUM = 0,
MC_VIEW_GOTO_PERCENT = 1,
MC_VIEW_GOTO_OFFSET_DEC = 2,
MC_VIEW_GOTO_OFFSET_HEX = 3
} mcview_goto_type_t;
const char *mc_view_goto_str[] = {
N_("&Line number"),
N_("Pe&rcents"),
N_("&Decimal offset"),
N_("He&xadecimal offset")
};
static mcview_goto_type_t current_goto_type = MC_VIEW_GOTO_LINENUM;
size_t num_of_types;
char *exp = NULL;
int qd_result;
gboolean res;
num_of_types = G_N_ELEMENTS (mc_view_goto_str);
#ifdef ENABLE_NLS
{
size_t i;
for (i = 0; i < num_of_types; i++)
mc_view_goto_str[i] = _(mc_view_goto_str[i]);
}
#endif
{
quick_widget_t quick_widgets[] = {
/* *INDENT-OFF* */
QUICK_INPUT (INPUT_LAST_TEXT, MC_HISTORY_VIEW_GOTO, &exp, NULL,
FALSE, FALSE, INPUT_COMPLETE_NONE),
QUICK_RADIO (num_of_types, (const char **) mc_view_goto_str, (int *) ¤t_goto_type,
NULL),
QUICK_BUTTONS_OK_CANCEL,
QUICK_END
/* *INDENT-ON* */
};
quick_dialog_t qdlg = {
-1, -1, 40,
N_("Goto"), "[Input Line Keys]",
quick_widgets, NULL, NULL
};
/* run dialog */
qd_result = quick_dialog (&qdlg);
}
*offset = -1;
/* check input line value */
res = (qd_result != B_CANCEL && exp != NULL && exp[0] != '\0');
if (res)
{
int base = (current_goto_type == MC_VIEW_GOTO_OFFSET_HEX) ? 16 : 10;
off_t addr;
char *error;
addr = (off_t) g_ascii_strtoll (exp, &error, base);
if ((*error == '\0') && (addr >= 0))
{
switch (current_goto_type)
{
case MC_VIEW_GOTO_LINENUM:
/* Line number entered by user is 1-based. */
if (addr > 0)
addr--;
mcview_coord_to_offset (view, offset, addr, 0);
*offset = mcview_bol (view, *offset, 0);
break;
case MC_VIEW_GOTO_PERCENT:
if (addr > 100)
addr = 100;
/* read all data from pipe to get real size */
if (view->growbuf_in_use)
mcview_growbuf_read_all_data (view);
*offset = addr * mcview_get_filesize (view) / 100;
if (!view->mode_flags.hex)
*offset = mcview_bol (view, *offset, 0);
break;
case MC_VIEW_GOTO_OFFSET_DEC:
case MC_VIEW_GOTO_OFFSET_HEX:
if (!view->mode_flags.hex)
{
if (view->growbuf_in_use)
mcview_growbuf_read_until (view, addr);
*offset = mcview_bol (view, addr, 0);
}
else
{
/* read all data from pipe to get real size */
if (view->growbuf_in_use)
mcview_growbuf_read_all_data (view);
*offset = addr;
addr = mcview_get_filesize (view);
if (*offset > addr)
*offset = addr;
}
break;
default:
*offset = 0;
break;
}
}
}
g_free (exp);
return res;
}
