scripts/historyplacement.py (raw)
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############################################################################## ### The history window placement algorithm. ebind historyplacement.place ### ### to the ob.EventAction.PlaceWindow event to use it. ### ############################################################################## import windowplacement, config def place(data): """Place a window usingthe history placement algorithm.""" _place(data) export_functions = place ############################################################################## config.add('historyplacement', 'ignore_requested_positions', 'Ignore Requested Positions', "When true, the placement algorithm will attempt to place " + \ "windows even when they request a position (like XMMS can)." + \ "Note this only applies to 'normal' windows, not to special " + \ "cases like desktops and docks.", 'boolean', 0) config.add('historyplacement', 'dont_duplicate', "Don't Diplicate", "When true, if 2 copies of the same match in history are to be " + \ "placed before one of them is closed (so it would be placed " + \ "over-top of the last one), this will cause the second window to "+\ "not be placed via history, and the 'Fallback Algorithm' will be "+\ "used instead.", 'boolean', 1) config.add('historyplacement', 'filename', 'History Database Filename', "The name of the file where history data will be stored. The " + \ "number of the screen is appended onto this name. The file will " +\ "be placed in ~/.openbox/.", 'string', 'historydb') config.add('historyplacement', 'fallback', 'Fallback Algorithm', "The window placement algorithm that will be used when history " + \ "placement does not have a place for the window.", 'enum', windowplacement.random, options = windowplacement.export_functions) ########################################################################### ########################################################################### ### Internal stuff, should not be accessed outside the module. ### ########################################################################### import otk import ob import os import string _data = [] class _state: def __init__(self, appname, appclass, role, x, y): self.appname = appname self.appclass = appclass self.role = role self.x = x self.y = y self.placed = 0 def __eq__(self, other): if self.appname == other.appname and \ self.appclass == other.appclass and \ self.role == other.role: return 1 return 0 def _load(data): global _data try: file = open(os.environ['HOME'] + '/.openbox/' + \ config.get('historyplacement', 'filename') + \ "." + str(data.screen), 'r') # read data for line in file.readlines(): line = line[:-1] # drop the '\n' try: s = string.split(line, '\0') state = _state(s[0], s[1], s[2], string.atoi(s[3]), string.atoi(s[4])) while len(_data)-1 < data.screen: _data.append([]) _data[data.screen].append(state) except ValueError: pass except IndexError: pass file.close() except IOError: pass def _save(data): global _data file = open(os.environ['HOME']+'/.openbox/'+ \ config.get('historyplacement', 'filename') + \ "." + str(data.screen), 'w') if file: while len(_data)-1 < data.screen: _data.append([]) for i in _data[data.screen]: file.write(i.appname + '\0' + i.appclass + '\0' + i.role + '\0' + str(i.x) + '\0' + str(i.y) + '\n') file.close() def _create_state(data): global _data area = data.client.area() return _state(data.client.appName(), data.client.appClass(), data.client.role(), area.x(), area.y()) def _find(screen, state): global _data try: return _data[screen].index(state) except ValueError: return -1 except IndexError: while len(_data)-1 < screen: _data.append([]) return _find(screen, state) # try again def _place(data): global _data if data.client: if not (config.get('historyplacement', 'ignore_requested_positions') \ and data.client.normal()): if data.client.positionRequested(): return state = _create_state(data) try: print "looking for : " + state.appname + " : " + \ state.appclass + " : " + state.role i = _find(data.screen, state) if i >= 0: coords = _data[data.screen][i] print "Found in history ("+str(coords.x)+","+\ str(coords.y)+")" if not (config.get('historyplacement', 'dont_duplicate') \ and coords.placed): data.client.move(coords.x, coords.y) coords.placed = 1 return else: print "Already placed another window there" else: print "No match in history" except TypeError: pass fallback = config.get('historyplacement', 'fallback') if fallback: fallback(data) def _save_window(data): global _data if data.client: state = _create_state(data) print "looking for : " + state.appname + " : " + state.appclass + \ " : " + state.role i = _find(data.screen, state) if i >= 0: print "replacing" _data[data.screen][i] = state # replace it else: print "appending" _data[data.screen].append(state) ob.ebind(ob.EventAction.CloseWindow, _save_window) ob.ebind(ob.EventAction.Startup, _load) ob.ebind(ob.EventAction.Shutdown, _save) print "Loaded historyplacement.py" |