openbox/python/historyplacement.py
2003-03-16 21:11:39 +00:00

164 lines
5.7 KiB
Python

##############################################################################
### The history window placement algorithm. ebind historyplacement.place ###
### to the ob.EventAction.PlaceWindow event to use it. ###
##############################################################################
import windowplacement, config, hooks
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 ob, os, string
_data = []
class _State:
def __init__(self, resname, resclass, role, x, y):
self.resname = resname
self.resclass = resclass
self.role = role
self.x = x
self.y = y
self.placed = 0
def __eq__(self, other):
if self.resname == other.resname and \
self.resclass == other.resclass and \
self.role == other.role:
return 1
return 0
def _load():
global _data
try:
file = open(os.environ['HOME'] + '/.openbox/' + \
config.get('historyplacement', 'filename') + \
"." + str(ob.Openbox.screenNumber()), '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],
int(s[3]), int(s[4]))
_data.append(state)
except ValueError: pass
except IndexError: pass
file.close()
except IOError: pass
def _save():
file = open(os.environ['HOME'] + '/.openbox/'+ \
config.get('historyplacement', 'filename') + \
"." + str(ob.Openbox.screenNumber()), 'w')
if file:
for i in _data:
file.write(i.resname + '\0' +
i.resclass + '\0' +
i.role + '\0' +
str(i.x) + '\0' +
str(i.y) + '\n')
file.close()
def _create_state(client):
area = client.area()
return _State(client.resName(), client.resClass(),
client.role(), area[0], area[1])
def _place(client):
state = _create_state(client)
try:
print "looking for : " + state.resname + " : " + \
state.resclass + " : " + state.role
try:
i = _data.index(state)
except ValueError:
print "No match in history"
else:
coords = _data[i] # get the equal element
print "Found in history ("+str(coords.x)+","+\
str(coords.y)+")"
if not (config.get('historyplacement', 'dont_duplicate') \
and coords.placed):
coords.placed = 1
if ob.Openbox.state() != ob.State.Starting:
# if not (config.get('historyplacement', 'ignore_requested_positions') \
# and data.client.normal()):
# if data.client.positionRequested(): return
ca = client.area()
client.setArea((coords.x, coords.y, ca[2], ca[3]))
return
else:
print "Already placed another window there"
except TypeError:
pass
fallback = config.get('historyplacement', 'fallback')
if fallback: fallback(client)
def _save_window(client):
global _data
state = _create_state(client)
print "looking for : " + state.resname + " : " + state.resclass + \
" : " + state.role
try:
print "replacing"
i = _data.index(state)
_data[i] = state # replace it
except ValueError:
print "appending"
_data.append(state)
hooks.startup.append(_load)
hooks.shutdown.append(_save)
hooks.closed.append(_save_window)
print "Loaded historyplacement.py"