-extern void shift_active_win(struct WinMeta * wmeta, char dir)
+extern uint8_t shift_active_win(struct WinMeta * wmeta, char dir)
{
if ( 0 == wmeta->active /* No shifting with less */
|| wmeta->chain_start == wmeta->chain_end /* than two windows visible */
|| (dir != 'f' && dir != 'b')) /* or wrong direction char. */
{
- return;
+ return 0;
}
if ('f' == dir)
{
{
shift_win_backward(wmeta);
}
- update_wins(wmeta, wmeta->chain_start);
+ return update_wins(wmeta, wmeta->chain_start);
}
/* Move active window forwards (set dir="f") or backwards (set dir="b"). Wrap
- * around in the window chain if start / end of it is met. */
-extern void shift_active_win(struct WinMeta * wmeta, char dir);
+ * around in the window chain if start / end of it is met.
+ *
+ * Returns 0 on success, 1 on (ncurses window/pad memory allocation) error.
+ */
+extern uint8_t shift_active_win(struct WinMeta * wmeta, char dir);