+###########################################################################
+### Functions for cycling focus (in a 'stacked' order) between windows. ###
+###########################################################################
+
+###########################################################################
+### Options that affect the behavior of the stackedcycle module. ###
+### Also see the options in the focus module. ###
+###########################################################################
+include_all_desktops = 0
+include_icons = 1
+include_omnipresent = 1
+title_size_limit = 80
+activate_while_cycling = 1
+###########################################################################
+
+def next(data):
+ """Focus the next window."""
+ _o.cycle(data, 1)
+
+def previous(data):
+ """Focus the previous window."""
+ _o.cycle(data, 0)
+
+###########################################################################
+###########################################################################
+
+###########################################################################
+### Internal stuff, should not be accessed outside the module. ###
+###########################################################################
+
+import otk
+import ob
+import focus
+
+class cycledata:
+ def __init__(self):
+ self.cycling = 0
+
+ def createpopup(self):
+ self.style = self.screen.style()
+ self.widget = otk.Widget(ob.openbox, self.style, otk.Widget.Vertical,
+ 0, self.style.bevelWidth(), 1)
+ self.widget.setTexture(self.style.titlebarFocusBackground())
+
+ def destroypopup(self):
+ self.menuwidgets = []
+ self.widget = 0
+
+ def shouldadd(self, client):
+ """Determines if a client should be added to the list."""
+ curdesk = self.screen.desktop()
+ desk = client.desktop()
+
+ if not client.normal(): return 0
+ if not (client.canFocus() or client.focusNotify()): return 0
+ if focus.avoid_skip_taskbar and client.skipTaskbar(): return 0
+
+ if include_icons and client.iconic(): return 1
+ if include_omnipresent and desk == 0xffffffff: return 1
+ if include_all_desktops: return 1
+ if desk == curdesk: return 1
+
+ return 0
+
+ def populatelist(self):
+ """Populates self.clients and self.menuwidgets, and then shows and
+ positions the cycling popup."""
+
+ self.widget.hide()
+
+ try:
+ current = self.clients[self.menupos]
+ except IndexError: current = 0
+ oldpos = self.menupos
+ self.menupos = -1
+
+ # get the list of clients
+ self.clients = []
+ print focus._clients
+ for i in focus._clients:
+ c = ob.openbox.findClient(i)
+ if c: self.clients.append(c)
+
+ font = self.style.labelFont()
+ longest = 0
+ height = font.height()
+
+ # make the widgets
+ i = 0
+ self.menuwidgets = []
+ while i < len(self.clients):
+ c = self.clients[i]
+ if not self.shouldadd(c):
+ # make the clients and menuwidgets lists match
+ self.clients.pop(i)
+ continue
+
+ w = otk.FocusLabel(self.widget)
+ if current and c.window() == current.window():
+ print "found " + str(i)
+ self.menupos = i
+ w.focus()
+ else:
+ w.unfocus()
+ self.menuwidgets.append(w)
+
+ if c.iconic(): t = c.iconTitle()
+ else: t = c.title()
+ if len(t) > title_size_limit: # limit the length of titles
+ t = t[:title_size_limit / 2 - 2] + "..." + \
+ t[0 - title_size_limit / 2 - 2:]
+ length = font.measureString(t)
+ if length > longest: longest = length
+ w.setText(t)
+
+ i += 1
+
+ # the window we were on may be gone
+ if self.menupos < 0:
+ # try stay at the same spot in the menu
+ if oldpos >= len(self.clients):
+ self.menupos = len(self.clients) - 1
+ else:
+ self.menupos = oldpos
+
+ # fit to the largest item in the menu
+ for w in self.menuwidgets:
+ w.fitSize(longest, height)
+
+ # show or hide the list and its child widgets
+ if len(self.clients) > 1:
+ area = self.screeninfo.rect()
+ self.widget.update()
+ self.widget.move(area.x() + (area.width() -
+ self.widget.width()) / 2,
+ area.y() + (area.height() -
+ self.widget.height()) / 2)
+ self.widget.show(1)
+
+ def activatetarget(self, final):
+ try:
+ client = self.clients[self.menupos]
+ except IndexError: return # empty list makes for this
+
+ # move the to client's desktop if required
+ if not (client.iconic() or client.desktop() == 0xffffffff or \
+ client.desktop() == self.screen.desktop()):
+ root = self.screeninfo.rootWindow()
+ ob.send_client_msg(root, otk.Property_atoms().net_current_desktop,
+ root, client.desktop())
+
+ # send a net_active_window message for the target
+ if final or not client.iconic():
+ if final: r = focus.raise_window
+ else: r = 0
+ ob.send_client_msg(self.screeninfo.rootWindow(),
+ otk.Property_atoms().openbox_active_window,
+ client.window(), final, r)
+
+ def cycle(self, data, forward):
+ if not self.cycling:
+ self.cycling = 1
+ focus._disable = 1
+ self.state = data.state
+ self.screen = ob.openbox.screen(data.screen)
+ self.screeninfo = otk.display.screenInfo(data.screen)
+ self.menupos = 0
+ self.createpopup()
+ self.clients = [] # so it doesnt try start partway through the list
+ self.populatelist()
+
+ ob.kgrab(self.screen.number(), _grabfunc)
+ # the pointer grab causes pointer events during the keyboard grab
+ # to go away, which means we don't get enter notifies when the
+ # popup disappears, screwing up the focus
+ ob.mgrab(self.screen.number())
+
+ self.menuwidgets[self.menupos].unfocus()
+ if forward:
+ self.menupos += 1
+ else:
+ self.menupos -= 1
+ # wrap around
+ if self.menupos < 0: self.menupos = len(self.clients) - 1
+ elif self.menupos >= len(self.clients): self.menupos = 0
+ self.menuwidgets[self.menupos].focus()
+ if activate_while_cycling:
+ self.activatetarget(0) # activate, but dont deiconify/unshade/raise
+
+ def grabfunc(self, data):
+ if data.action == ob.KeyAction.Release:
+ # have all the modifiers this started with been released?
+ if not self.state & data.state:
+ self.cycling = 0
+ focus._disable = 0
+ self.activatetarget(1) # activate, and deiconify/unshade/raise
+ self.destroypopup()
+ ob.kungrab()
+ ob.mungrab()
+
+
+def _newwindow(data):
+ if _o.cycling: _o.populatelist()
+
+def _closewindow(data):
+ if _o.cycling: _o.populatelist()
+
+def _grabfunc(data):
+ _o.grabfunc(data)
+
+ob.ebind(ob.EventAction.NewWindow, _newwindow)
+ob.ebind(ob.EventAction.CloseWindow, _closewindow)
+
+_o = cycledata()