1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
# Copyright (C) 2009, Tutorius.org
# Copyright (C) 2009, Vincent Vinet <vince.vinet@gmail.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import gtk
import logging
from sugar.tutorius.dialog import TutoriusDialog
logger = logging.getLogger("tutorius")
class Event:
def __init__(self, object_name, event_name ):
self.object_name = object_name
self.event_name = event_name
def test(self, sig, name):
if self.object_name == name and self.event_name == sig:
return True
return False
class Tutorial (object):
EVENTS = [
"focus",
"button-press-event",
"enter-notify-event",
"leave-notify-event",
"key-press-event",
"text-selected",
"clicked",
]
IGNORED_WIDGETS = [
"GtkVBox",
"GtkHBox",
"GtkAlignment",
"GtkNotebook",
"GtkButton",
"GtkToolItem",
"GtkToolbar",
]
def __init__(self, name, fsm):
object.__init__(self)
self.name = name
self.state_machine = fsm
self.handlers = []
self.activity = None
#self.setState("INIT")
#self.state="INIT"
#self.register_signals(self.activity, self.handleEvent, max_depth=10)
def attach(self, activity):
#For now, absolutely detach if a previous one!
if self.activity:
self.detach()
self.activity = activity
self.state="INIT"
self.register_signals(self.activity,self.handleEvent, max_depth=10)
def detach(self):
self.disconnectHandlers()
self.activity = None
def handleEvent(self, *args):
sig, objname = args[-1]
logger.debug("EVENT %s ON %s" % (sig, objname) )
for transition, next in self.state_machine[self.state]["Events"]:
if transition.test(sig,objname):
logger.debug("====NEW STATE: %s====" % next)
self.state = next
dlg = TutoriusDialog(self.state_machine[self.state]["Message"])
dlg.setButtonClickedCallback(dlg.closeSelf)
dlg.run()
# @staticmethod
# def logEvent(obj, *args):
# logger.debug("%s" % str(args[-1]))
def disconnectHandlers(self):
for t, id in self.handlers:
t.disconnect_handler(id)
# def setState(self,name):
# self.disconnectHandlers()
# self.state = name
# newstate = ABIWORD_MEF.get(name,())
# for event, n in newstate:
# target = self.activity
# try:
# for obj in event.object_name.split("."):
# target = getattr(target,obj)
# id = target.connect(self.handler,(event.object_name, event.event_name))
# self.handlers.append(target, id)
# id = target.connect(Tutorial.logEvent,"EVENT %s ON %s" % (event.object_name, event.event_name))
# self.handlers.append(target, id)
# except Exception, e:
# logger.debug(str(e))
def register_signals(self,object,handler,prefix=None,max_depth=None):
"""
Recursive function to register event handlers on an object
and it's children. The event handler is called with an extra
argument which is a two-tuple containing the signal name and
the FQDN-style name of the object that triggered the event.
This function registers all of the events listed in
Tutorial.EVENTS and omits widgets with a name matching
Tutorial.IGNORED_WIDGETS from the name hierarchy.
Example arg tuple added:
("focus", "Activity.Toolbox.Bold")
Side effects:
-Handlers connected on the various objects
-Handler ID's stored in self.handlers
@param object the object to recurse on
@param handler the handler function to connect
@param prefix name prepended to the object name to form a chain
@param max_depth maximum recursion depth, None for infinity
"""
#Gtk Containers have a get_children() function
if hasattr(object,"get_children") and \
hasattr(object.get_children,"__call__"):
for child in object.get_children():
if max_depth is None or max_depth > 0:
#Recurse with a prefix on all children
pre = ".".join( \
[p for p in (prefix, object.get_name()) \
if not (p is None or p in Tutorial.IGNORED_WIDGETS)] \
)
self.register_signals(child,handler,pre,max_depth-1)
name = ".".join( \
[p for p in (prefix, object.get_name()) \
if not (p is None or p in Tutorial.IGNORED_WIDGETS)] \
)
#register events on the object if a widget XXX necessary to check this?
if isinstance(object,gtk.Widget):
for sig in Tutorial.EVENTS:
try:
self.handlers.append( (object,object.connect(sig,handler,(sig, name) )) )
except TypeError:
continue
|