Re: [pygtk] gtk.Builder & inherited widgets
On 15/12/2010 00:09, Alessandro Dentella wrote:
> Hi Dieter,
>
> On Tue, Dec 14, 2010 at 08:28:19PM +0100, Dieter Verfaillie wrote:
>> On 14/12/2010 17:41, Alessandro Dentella wrote:
>>> What am I doing wong?
>>
>> See the attachment. Got it working :)
>
> If I understand correctly, what makes the difference, is that you're emitting
> the signal OUT of __init__. That works but does not explain why Test1 *can*
> emit from within the __init__.
That and the test class from your original example did not initialize
it's base class...
> In the real example, the signal is really emitted within __init__, and that
> have always worked in glade.
Are you sure? Changing the script to emit from __init__ seems to fail
for both libglade and gtkbuilder for me. Tested it both on mswindows
and linux with pygtk-2.22.0, pygobject-2.26.0, etc.
See the attached script, output here looks like:
manual test
instantiate Test1
__init__ Test1
my-signal1 has been emitted
instantiate Test2
__init__ Test2
__init__ Test1
my-signal1 has been emitted
my-signal2 has been emitted
libglade test
__init__ Test1
my-signal1 has been emitted
__init__ Test2
__init__ Test1
my-signal1 has been emitted
Traceback (most recent call last):
File "test.py", line 103, in __init__
self.emit('my-signal2')
TypeError: : unknown
signal name: my-signal2
gtkbuilder test
instantiate Test1
__init__ Test1
my-signal1 has been emitted
instantiate Test2
__init__ Test2
__init__ Test1
my-signal1 has been emitted
Traceback (most recent call last):
File "test.py", line 103, in __init__
self.emit('my-signal2')
TypeError: : unknown
signal name: my-signal2
#!/usr/bin/python
test_glade='''
True
button
True
True
True
0
button
True
True
True
1
'''
test1_ui = '''
Test1
True
True
True
'''
test2_ui = '''
Test2
True
True
True
'''
import sys
import gobject
import gtk
import gtk.glade
def log(msg=''):
sys.stdout.write('%s\n' % msg)
sys.stdout.flush()
class Test1(gtk.Button):
__gtype_name__ = 'Test1'
__gsignals__ = {'my-signal1':
(gobject.SIGNAL_RUN_LAST,
gobject.TYPE_NONE,
())}
def __init__(self):
log('__init__ Test1')
gtk.Button.__init__(self)
self.emit('my-signal1')
def do_my_signal1(self):
log('my-signal1 has been emitted')
class Test2(Test1):
__gtype_name__ = 'Test2'
__gsignals__ = {'my-signal2':
(gobject.SIGNAL_RUN_LAST,
gobject.TYPE_NONE,
())}
def __init__(self):
log('__init__ Test2')
Test1.__init__(self)
self.emit('my-signal2')
def do_my_signal2(self):
log('my-signal2 has been emitted')
def manual():
log('manual test')
log('')
window = gtk.Window()
hbox = gtk.HBox()
window.add(hbox)
log('instantiate Test1')
test1 = Test1()
test1.set_label('Test1')
hbox.pack_start(test1)
log('instantiate Test2')
test2 = Test2()
test2.set_label('Test2')
hbox.pack_start(test2)
log()
def libglade():
log('libglade test')
log('')
wtree = gtk.glade.xml_new_from_buffer(test_glade, len(test_glade))
window = wtree.get_widget('window1')
log()
def gtkbuilder():
log('gtkbuilder test')
log('')
window = gtk.Window()
hbox = gtk.HBox()
window.add(hbox)
builder = gtk.Builder()
log('instantiate Test1')
builder.add_from_string(test1_ui)
test1 = builder.get_object('test1')
hbox.pack_start(test1)
log('instantiate Test2')
builder.add_from_string(test2_ui)
test2 = builder.get_object('test2')
hbox.pack_start(test2)
if __name__ == '__main__':
manual()
libglade()
gtkbuilder()
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Re: [pygtk] gtk.Builder & inherited widgets
Hi Dieter,
On Tue, Dec 14, 2010 at 08:28:19PM +0100, Dieter Verfaillie wrote:
> On 14/12/2010 17:41, Alessandro Dentella wrote:
> > What am I doing wong?
>
> See the attachment. Got it working :)
If I understand correctly, what makes the difference, is that you're emitting
the signal OUT of __init__. That works but does not explain why Test1 *can*
emit from within the __init__.
In the real example, the signal is really emitted within __init__, and that
have always worked in glade.
sandro
*:-)
>
> mvg,
> Dieter
> #!/usr/bin/python
>
> """
>
>
>
>
>
>
> False
>
>
> True
>
>
> Test1
> True
> True
> True
>
>
> 0
>
>
>
>
> Test2
> True
> True
> True
>
>
> 1
>
>
>
>
>
>
> """
>
>
> import sys
> import gobject
> import gtk
>
>
> class Test1(gtk.Button):
> __gtype_name__ = 'Test1'
>
> __gsignals__ = {'my-signal':
> (gobject.SIGNAL_RUN_LAST,
> gobject.TYPE_NONE,
> ())}
>
> def __init__(self):
> gtk.Button.__init__(self)
>
> def do_clicked(self):
> print 'my-signal'
> self.emit('my-signal')
>
>
> class Test2(Test1):
> __gtype_name__ = 'Test2'
>
> __gsignals__ = {'my-signal2':
> (gobject.SIGNAL_RUN_LAST,
> gobject.TYPE_NONE,
> ())}
> def __init__(self):
> Test1.__init__(self)
>
> def do_clicked(self):
> print 'my-signal2'
> self.emit('my-signal2')
>
>
> if __name__ == '__main__':
> # Manual
> window1 = gtk.Window()
> window1.set_title('Manual')
> hbox = gtk.HBox()
> window1.add(hbox)
> test = Test1()
> test.set_label('Test')
> hbox.pack_start(test)
> test1 = Test2()
> test1.set_label('Test2')
> hbox.pack_start(test1)
> window1.show_all()
>
> # GtkBuilder
> builder = gtk.Builder()
> builder.add_from_string(__doc__)
> window2 = builder.get_object('window2')
> window2.set_title('GtkBuilder')
> window2.show_all()
>
> try:
> gtk.main()
> except KeyboardInterrupt:
> sys.exit()
> ___
> pygtk mailing list pygtk@daa.com.au
> http://www.daa.com.au/mailman/listinfo/pygtk
> Read the PyGTK FAQ: http://faq.pygtk.org/
--
Sandro Dentella *:-)
http://www.reteisi.org Soluzioni libere per le scuole
http://sqlkit.argolinux.orgSQLkit home page - PyGTK/python/sqlalchemy
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Re: [pygtk] gtk.Builder & inherited widgets
On 14/12/2010 17:41, Alessandro Dentella wrote:
> What am I doing wong?
See the attachment. Got it working :)
mvg,
Dieter
#!/usr/bin/python
"""
False
True
Test1
True
True
True
0
Test2
True
True
True
1
"""
import sys
import gobject
import gtk
class Test1(gtk.Button):
__gtype_name__ = 'Test1'
__gsignals__ = {'my-signal':
(gobject.SIGNAL_RUN_LAST,
gobject.TYPE_NONE,
())}
def __init__(self):
gtk.Button.__init__(self)
def do_clicked(self):
print 'my-signal'
self.emit('my-signal')
class Test2(Test1):
__gtype_name__ = 'Test2'
__gsignals__ = {'my-signal2':
(gobject.SIGNAL_RUN_LAST,
gobject.TYPE_NONE,
())}
def __init__(self):
Test1.__init__(self)
def do_clicked(self):
print 'my-signal2'
self.emit('my-signal2')
if __name__ == '__main__':
# Manual
window1 = gtk.Window()
window1.set_title('Manual')
hbox = gtk.HBox()
window1.add(hbox)
test = Test1()
test.set_label('Test')
hbox.pack_start(test)
test1 = Test2()
test1.set_label('Test2')
hbox.pack_start(test1)
window1.show_all()
# GtkBuilder
builder = gtk.Builder()
builder.add_from_string(__doc__)
window2 = builder.get_object('window2')
window2.set_title('GtkBuilder')
window2.show_all()
try:
gtk.main()
except KeyboardInterrupt:
sys.exit()
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[pygtk] gtk.Builder & inherited widgets
Hi,
in the attached example I have a very simple xml definition (a button in a
Window).
The Button is not really a gtk.Button it's defined with its own signal:
class Test(gtk.Button):
__gtype_name__ = 'Test'
__gsignals__ = {
'my-signal' : (gobject.SIGNAL_RUN_LAST,
gobject.TYPE_NONE,
()
),
}
def __init__(self):
self.emit('my-signal')
A second Test is derived from this one. The example fails when using the
second example and works correctly with the first one.
What am I doing wong?
It seems there's no way to make it see the signal defined in the derived
Test2 class, but I don't see anything special. Even Test inheritates from
other widgets (gtk.Button).
Any hints?
thanks
sandro
*:-)
--
Sandro Dentella *:-)
http://www.reteisi.org Soluzioni libere per le scuole
http://sqlkit.argolinux.orgSQLkit home page - PyGTK/python/sqlalchemy
#!/usr/bin/python
"""
True
Stop
True
True
True
"""
# call this script as 'python mytest.py Test' and it just works
# call this script as 'python mytest.py Test2' and it complains:
#
# Traceback (most recent call last):
# File "mytest.py", line 58, in __init__
#self.emit('my-signal2')
# TypeError: : unknown signal name: my-signal2
import gobject
import gtk
class Test(gtk.Button):
__gtype_name__ = 'Test'
__gsignals__ = {
'my-signal' : (gobject.SIGNAL_RUN_LAST,
gobject.TYPE_NONE,
()
),
}
def __init__(self):
self.emit('my-signal')
class Test2(Test):
__gtype_name__ = 'Test2'
__gsignals__ = {
'my-signal2' : (gobject.SIGNAL_RUN_LAST,
gobject.TYPE_NONE,
()
),
}
def __init__(self):
Test.__init__(self)
self.emit('my-signal2')
if __name__ == '__main__':
import gtk
import sys
b = gtk.Builder()
xml = __doc__ % (len(sys.argv) > 1 and sys.argv[1] or 'Test')
b.add_from_string(xml, len(xml))
b.get_object('test1').connect('clicked', gtk.main_quit)
try:
gtk.main()
except KeyboardInterrupt:
sys.exit()
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