I already thought of blocking handlers during refresh, but it means
adding two instructions (_block and _unblock) for each set_value().
A simple and clear sequence of instructions:
_set_value()
_set_value()
..
will be transformed in a complex, long and cryptic sequence of
instructions:
_block()
_set_value()
_unblock()
_block()
_set_value()
_unblock()
I hoped there was another better solution. Actually I'm using a flag
that is checked in the handler:
refreshing = True
_set_value()
_set_value()
...
refreshing = False
# In the handler
if not refreshing:
# Process the handler
This is simple enough, but I have to remember to check the flag in the
handler and this is error prone.
Il 01/11/2016 20:33, Chris Moller ha scritto:
Have you tried
g_signal_handler_block (gpointer instance, gulong handler_id);
and
g_signal_handler_unblock (gpointer instance, gulong handler_id);
Putting these before and after your set_value() should temporarily
block the handler.
You get the handler_id from g_signal_connect(...):
handler_id = g_signal_connect(...);
On 11/01/16 11:29, pozzugno wrote:
I have a SpinButton with an associated Adjustment. I connected a
handler for "value-changed" signal, because I have to make something
when the user changes the value. I sometimes need to change the value
in the code, using set_value() method of SpinButton or Adjustment. In
this case, I don't want to execute the signal handler.
I will try to describe the situation. I have many widgets on the
window, mainly SpinButton (but I have Entry too). I retrieve the
values from remote, so I use set_value() methods for each widget when
the values are received. The user can change some values and I need
to detect this, because I have to send the new values to remote. So I
have to connect a custom signal handler. Of course, I have to avoid
calling the signal handler when the values are changed by code.
Is it possible?
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