+_cyc_mask = 0
+_cyc_key = 0
+_cyc_w = 0 # last window cycled to
+_cyc_screen = 0
+
+def _do_stacked_cycle(data, forward):
+ global _cyc_w
+ global stacked_cycle_raise
+ global _clients
+
+ clients = _clients[:] # make a copy
+
+ if not forward:
+ clients.reverse()
+
+ try:
+ i = clients.index(_cyc_w) + 1
+ except ValueError:
+ i = 1
+ clients = clients[i:] + clients[:i]
+
+ desktop = ob.openbox.screen(data.screen).desktop()
+ for w in clients:
+ client = ob.openbox.findClient(w)
+ if client and (client.desktop() == desktop and \
+ client.normal() and client.focus()):
+ if stacked_cycle_raise:
+ ob.openbox.screen(data.screen).raiseWindow(client)
+ return
+
+def _focus_stacked_ungrab(data):
+ global _cyc_mask;
+ global _cyc_key;
+ global _doing_stacked;
+
+ if data.action == ob.KeyAction.Release:
+ # have all the modifiers this started with been released?
+ if not _cyc_mask & data.state:
+ ob.kungrab() # ungrab ourself
+ _doing_stacked = 0;
+ if cycle_raise:
+ client = ob.openbox.findClient(_cyc_w)
+ if client:
+ ob.openbox.screen(data.screen).raiseWindow(client)
+
+def focus_next_stacked(data, forward=1):
+ """Focus the next (or previous, with forward=0) window in a stacked
+ order."""
+ global _cyc_mask
+ global _cyc_key
+ global _cyc_w
+ global _cyc_screen
+ global _doing_stacked
+
+ if _doing_stacked:
+ if _cyc_key == data.key:
+ _do_stacked_cycle(data,forward)
+ else:
+ _cyc_mask = data.state
+ _cyc_key = data.key
+ _cyc_w = 0
+ _cyc_screen = data.screen
+ _doing_stacked = 1
+
+ ob.kgrab(data.screen, _focus_stacked_ungrab)
+ focus_next_stacked(data, forward) # start with the first press
+
+def focus_prev_stacked(data):
+ """Focus the previous window in a stacked order."""
+ focus_next_stacked(data, forward=0)