char *
get_random_hint (int force)
{
char *data, *result = NULL, *eol;
int len;
int start;
static int last_sec;
static struct timeval tv;
GIConv conv;
GString *buffer;
/* Do not change hints more often than one minute */
gettimeofday (&tv, NULL);
if (!force && !(tv.tv_sec > last_sec + 60))
return g_strdup ("");
last_sec = tv.tv_sec;
data = load_mc_home_file (mc_global.share_data_dir, MC_HINT, NULL);
if (data == NULL)
return NULL;
/* get a random entry */
srand (tv.tv_sec);
len = strlen (data);
start = rand () % len;
for (; start != 0; start--)
if (data[start] == '\n')
{
start++;
break;
}
eol = strchr (data + start, '\n');
if (eol != NULL)
*eol = '\0';
/* hint files are stored in utf-8 */
/* try convert hint file from utf-8 to terminal encoding */
conv = str_crt_conv_from ("UTF-8");
if (conv != INVALID_CONV)
{
buffer = g_string_new ("");
if (str_convert (conv, &data[start], buffer) != ESTR_FAILURE)
result = g_strdup (buffer->str);
g_string_free (buffer, TRUE);
str_close_conv (conv);
}
g_free (data);
return result;
}
/*
* Return a random hint. If force is not 0, ignore the timeout.
*/
char *
get_random_hint (int force)
{
char *data, *result, *eol;
int len;
int start;
static int last_sec;
static struct timeval tv;
/* Do not change hints more often than one minute */
gettimeofday (&tv, NULL);
if (!force && !(tv.tv_sec > last_sec + 60))
return g_strdup ("");
last_sec = tv.tv_sec;
data = load_mc_home_file (MC_HINT, NULL);
if (!data)
return 0;
/* get a random entry */
srand (tv.tv_sec);
len = strlen (data);
start = rand () % len;
for (; start; start--) {
if (data[start] == '\n') {
start++;
break;
}
}
eol = strchr (&data[start], '\n');
if (eol)
*eol = 0;
result = g_strdup (&data[start]);
g_free (data);
return result;
}
/* event callback */
gboolean
help_interactive_display (const gchar * event_group_name, const gchar * event_name,
gpointer init_data, gpointer data)
{
const dlg_colors_t help_colors = {
HELP_NORMAL_COLOR, /* common text color */
0, /* unused in help */
HELP_BOLD_COLOR, /* bold text color */
0, /* unused in help */
HELP_TITLE_COLOR /* title color */
};
WButtonBar *help_bar;
Widget *md;
char *hlpfile = NULL;
char *filedata;
ev_help_t *event_data = (ev_help_t *) data;
(void) event_group_name;
(void) event_name;
(void) init_data;
if (event_data->filename != NULL)
g_file_get_contents (event_data->filename, &filedata, NULL, NULL);
else
filedata = load_mc_home_file (mc_global.share_data_dir, MC_HELP, &hlpfile);
if (filedata == NULL)
message (D_ERROR, MSG_ERROR, _("Cannot open file %s\n%s"),
event_data->filename ? event_data->filename : hlpfile, unix_error_string (errno));
g_free (hlpfile);
if (filedata == NULL)
return TRUE;
translate_file (filedata);
g_free (filedata);
if (fdata == NULL)
return TRUE;
if ((event_data->node == NULL) || (*event_data->node == '\0'))
event_data->node = "[main]";
main_node = search_string (fdata, event_data->node);
if (main_node == NULL)
{
message (D_ERROR, MSG_ERROR, _("Cannot find node %s in help file"), event_data->node);
/* Fallback to [main], return if it also cannot be found */
main_node = search_string (fdata, "[main]");
if (main_node == NULL)
{
interactive_display_finish ();
return TRUE;
}
}
help_lines = min (LINES - 4, max (2 * LINES / 3, 18));
whelp =
dlg_create (TRUE, 0, 0, help_lines + 4, HELP_WINDOW_WIDTH + 4,
help_colors, help_callback, NULL, "[Help]", _("Help"),
DLG_TRYUP | DLG_CENTER | DLG_WANT_TAB);
selected_item = search_string_node (main_node, STRING_LINK_START) - 1;
currentpoint = main_node + 1; /* Skip the newline following the start of the node */
for (history_ptr = HISTORY_SIZE; history_ptr;)
{
history_ptr--;
history[history_ptr].page = currentpoint;
history[history_ptr].link = selected_item;
}
help_bar = buttonbar_new (TRUE);
WIDGET (help_bar)->y -= WIDGET (whelp)->y;
WIDGET (help_bar)->x -= WIDGET (whelp)->x;
md = mousedispatch_new (1, 1, help_lines, HELP_WINDOW_WIDTH - 2);
add_widget (whelp, md);
add_widget (whelp, help_bar);
buttonbar_set_label (help_bar, 1, Q_ ("ButtonBar|Help"), help_map, NULL);
buttonbar_set_label (help_bar, 2, Q_ ("ButtonBar|Index"), help_map, NULL);
buttonbar_set_label (help_bar, 3, Q_ ("ButtonBar|Prev"), help_map, NULL);
buttonbar_set_label (help_bar, 4, "", help_map, NULL);
buttonbar_set_label (help_bar, 5, "", help_map, NULL);
buttonbar_set_label (help_bar, 6, "", help_map, NULL);
buttonbar_set_label (help_bar, 7, "", help_map, NULL);
buttonbar_set_label (help_bar, 8, "", help_map, NULL);
buttonbar_set_label (help_bar, 9, "", help_map, NULL);
buttonbar_set_label (help_bar, 10, Q_ ("ButtonBar|Quit"), help_map, NULL);
dlg_run (whelp);
interactive_display_finish ();
dlg_destroy (whelp);
return TRUE;
}
char *
get_random_hint (int force)
{
char *data, *result = NULL, *eop;
int len;
int start;
static int last_sec;
static struct timeval tv;
GIConv conv;
/* Do not change hints more often than one minute */
gettimeofday (&tv, NULL);
if (!force && !(tv.tv_sec > last_sec + 60))
return g_strdup ("");
last_sec = tv.tv_sec;
data = load_mc_home_file (mc_global.share_data_dir, MC_HINT, NULL);
if (data == NULL)
return NULL;
/* get a random entry */
srand (tv.tv_sec);
len = strlen (data);
start = rand () % (len - 1);
/* Search the start of paragraph */
for (; start != 0; start--)
if (data[start] == '\n' && data[start + 1] == '\n')
{
start += 2;
break;
}
/* Search the end of paragraph */
for (eop = data + start; *eop != '\0'; eop++)
{
if (*eop == '\n' && *(eop + 1) == '\n')
{
*eop = '\0';
break;
}
if (*eop == '\n')
*eop = ' ';
}
/* hint files are stored in utf-8 */
/* try convert hint file from utf-8 to terminal encoding */
conv = str_crt_conv_from ("UTF-8");
if (conv != INVALID_CONV)
{
GString *buffer;
buffer = g_string_new ("");
if (str_convert (conv, &data[start], buffer) != ESTR_FAILURE)
result = g_string_free (buffer, FALSE);
else
g_string_free (buffer, TRUE);
str_close_conv (conv);
}
else
result = g_strdup (&data[start]);
g_free (data);
return result;
}