static void
scan_start (unsigned int timestamp)
{
ScanState *state = scan_state();
switch (state->timer_state)
{
case SCAN_IDLE:
state->timer_state = SCAN_LINES;
state->scan_column = 0;
state->scan_row = 0;
g_timeout_add_full (G_PRIORITY_HIGH_IDLE, 600, increment_scan, state, NULL);
select_line (state->scan_row);
break;
case SCAN_LINES_DONE:
state->timer_state = SCAN_KEYS;
g_timeout_add_full (G_PRIORITY_HIGH_IDLE, 600, increment_scan, state, NULL);
deselect_line (state->scan_row);
select_key (state->scan_row, state->scan_column);
break;
case SCAN_KEYS_DONE:
gtk_button_clicked (buttons[state->scan_row][state->scan_column]);
deselect_key (state->scan_row, state->scan_column);
state->timer_state = SCAN_IDLE;
break;
default:
g_print("unexpected state for 'scan start'\n");
}
}
static gboolean
increment_scan (gpointer data)
{
ScanState *state = (ScanState *) data;
int max_columns;
switch (state->timer_state)
{
case SCAN_IDLE:
/* happens if switch-break occurs before the timer fires, after SCAN_KEYS_DONE*/
return FALSE;
case SCAN_LINES:
deselect_line (state->scan_row);
state->scan_row = (++state->scan_row < MAX_ROWS) ? state->scan_row : 0;
select_line (state->scan_row);
g_print ("line %d\n", state->scan_row);
break;
case SCAN_KEYS:
deselect_key (state->scan_row, state->scan_column);
if (state->scan_row == MAX_ROWS-1) max_columns = 2;
else max_columns = MAX_COLUMNS; /* last row has only two keys */
state->scan_column = (++state->scan_column < max_columns) ? state->scan_column : 0;
select_key (state->scan_row, state->scan_column);
g_print ("row %d\n", state->scan_column);
break;
case SCAN_LINES_DONE:
case SCAN_KEYS_DONE:
return FALSE;
}
return TRUE;
}
void
select_line (gint lineno)
{
int i;
int max_columns = MAX_COLUMNS;
if (lineno == MAX_ROWS-1) max_columns = 2;
for (i=0; i<max_columns; ++i)
select_key (lineno, i);
}
static int select_key_default(const char *fingerprint, const char *shortname,
const char *key,
int invalid,
struct gpg_list_info *gli)
{
struct listinfo *li=(struct listinfo *)gli->voidarg;
return (select_key(fingerprint, shortname, key, gli,
li->default_key && strcmp(li->default_key,
fingerprint)
== 0));
}
static int encrypt_key_default(const char *fingerprint, const char *shortname,
const char *key,
int invalid,
struct gpg_list_info *gli)
{
struct listinfo *li=(struct listinfo *)gli->voidarg;
if (invalid)
return (0);
return (select_key(fingerprint, shortname, key, gli,
knownkey(shortname, li->default_key)));
}