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 # fallback routines
##############################################################################
### Options for the historyplacement module (Options in the ###
### windowplacement module also apply!): ###
### ###
# fallback - The window placement algorithm that will be used when history ###
### placement does not have a place for the window. ###
fallback = windowplacement.random ###
# confirm_callback - set this to a function to have the function called ###
### before attempting to place a window via history. If ###
### the function returns 'true' then an attempt will be ###
### made to place the window. If it returns 'false', the ###
### fallback method will be directly applied instead. ###
confirm_callback = 0 ###
### ###
# filename - The name of the file where history data will be stored. The ###
### number of the screen is appended onto this filename. ###
filename = 'historydb' ###
### ###
##############################################################################
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
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
file = open(os.environ['HOME']+'/.openbox/'+filename+"."+str(data.screen),
'r')
if file:
# 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()
def _save(data):
global _data
file = open(os.environ['HOME']+'/.openbox/'+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 windowplacement.ignore_requested_positions:
if data.client.positionRequested(): return
state = _create_state(data)
try:
if not confirm_callback or confirm_callback(data):
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)+")"
data.client.move(coords.x, coords.y)
return
else:
print "No match in history"
except TypeError:
pass
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"
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