void
zoom_preview (int current)
{
set_zoom_display (current);
draw_screen_display ();
rb->splash (0, "Preview");
}
/* Call every time the board size might have changed! */
void
setup_display (void)
{
set_zoom_display (0); /* 0 means set to default */
/* The cursor starts out in the top right of the board
* (on the hoshi point for most board sizes), unless the board
* is really small in which case the cursor starts at the center
* of the board.
*/
int start_x, start_y;
if (board_width >= 7)
{
start_x = board_width - 4;
}
else
{
start_x = board_width / 2;
}
if (board_height >= 7)
{
start_y = 3;
}
else
{
start_y = board_height / 2;
}
cursor_pos = POS (start_x, start_y);
last_cursor_pos = INVALID_POS;
last_int_size = -1;
clear_marks_display ();
}
static bool
do_zoom (void)
{
unsigned int zoom_level;
unsigned int old_val;
bool done = false;
unsigned int min_val = min_zoom_display ();
unsigned int max_val = max_zoom_display ();
zoom_level = old_val = current_zoom_display ();
int action;
zoom_preview (zoom_level);
while (!done)
{
switch (action = rb->get_action (CONTEXT_LIST, TIMEOUT_BLOCK))
{
case ACTION_STD_OK:
set_zoom_display (zoom_level);
done = true;
rb->splash (HZ / 2, "Zoom Set");
saved_circle_size = intersection_size;
break;
case ACTION_STD_CANCEL:
set_zoom_display (old_val);
done = true;
rb->splash (HZ / 2, "Cancelled");
break;
case ACTION_STD_CONTEXT:
zoom_level = old_val;
zoom_preview (zoom_level);
break;
case ACTION_STD_NEXT:
case ACTION_STD_NEXTREPEAT:
zoom_level = zoom_level * 3 / 2;
/* 1 * 3 / 2 is 1 again... */
if (zoom_level == 1)
{
++zoom_level;
}
if (zoom_level > max_val)
{
zoom_level = min_val;
}
zoom_preview (zoom_level);
break;
case ACTION_STD_PREV:
case ACTION_STD_PREVREPEAT:
zoom_level = zoom_level * 2 / 3;
if (zoom_level < min_val)
{
zoom_level = max_val;
}
zoom_preview (zoom_level);
break;
case ACTION_NONE:
break;
default:
if (rb->default_event_handler (action) == SYS_USB_CONNECTED)
{
return true;
}
break;
}
}
return false;
}
