scripts/stackedcycle.py (raw)
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########################################################################### ### Functions for cycling focus (in a 'stacked' order) between windows. ### ########################################################################### ########################################################################### ### Options that affect the behavior of the stackedcycle module. ### ########################################################################### INCLUDE_ALL_DESKTOPS = 0 """If this is non-zero then windows from all desktops will be included in the stacking list.""" INCLUDE_ICONS = 1 """If this is non-zero then windows which are iconified will be included in the stacking list.""" INCLUDE_OMNIPRESENT = 1 """If this is non-zero then windows which are on all-desktops at once will be included.""" TITLE_SIZE_LIMIT = 80 """This specifies a rough limit of characters for the cycling list titles. Titles which are larger will be chopped with an elipsis in their center.""" ACTIVATE_WHILE_CYCLING = 1 """If this is non-zero then windows will be activated as they are highlighted in the cycling list (except iconified windows).""" # See focus.AVOID_SKIP_TASKBAR # See focuscycle.RAISE_WINDOW ########################################################################### def next(data): """Focus the next window.""" if not data.state: raise RuntimeError("stackedcycle.next must be bound to a key" + "combination with at least one modifier") _o.cycle(data, 1) def previous(data): """Focus the previous window.""" if not data.state: raise RuntimeError("stackedcycle.previous must be bound to a key" + "combination with at least one modifier") _o.cycle(data, 0) ########################################################################### ########################################################################### ########################################################################### ### Internal stuff, should not be accessed outside the module. ### ########################################################################### import otk import ob import focus import focuscycle 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, keeping iconic windows at the bottom self.clients = [] iconic_clients = [] for c in focus._clients: if c.iconic(): iconic_clients.append(c) else: self.clients.append(c) self.clients.extend(iconic_clients) 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(): 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 = focuscycle.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()) if not len(self.clients): return # don't both doing anything 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): done = 0 notreverting = 1 # have all the modifiers this started with been released? if (data.action == ob.KeyAction.Release and not self.state & data.state): done = 1 # has Escape been pressed? elif data.action == ob.KeyAction.Press and data.key == "Escape": done = 1 notreverting = 0 # revert self.menupos = 0 if done: self.cycling = 0 focus._disable = 0 # activate, and deiconify/unshade/raise self.activatetarget(notreverting) 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() print "Loaded stackedcycle.py" |