[pygtk] key_release trouble

James Henstridge james@daa.com.au
Sat, 1 Jul 2000 22:41:49 +0800 (WST)

On Sat, 1 Jul 2000, Bellamy Bruno wrote:

> Oops, sorry I didn't reply earlier... Lots of work. ;)
> On 20-Jun-2000 James Henstridge wrote:
> > On Tue, 20 Jun 2000, Bellamy Bruno wrote:
> >> I'm trying to catch the key_release event in a GtkText, so I had to
> >> use a mygtktext.add_events(GDK.KEY_RELEASE_MASK).
> >> But it seems to work only after I start by clicking in
> >> the GtkText with the mouse. Otherwise, no key_release event is detected.
> > 
> > The widget will only receive key press events if it has focus.  That could
> > be what the problem you are seeing.  Does the problem go away if you call
> > text_widget.grab_focus() ?
> I do call mygtktext.grab_focus() and it doesn't make any difference.
> I can type text, but I cannot catch the key-release event.
> On 20-Jun-2000 Matt Wilson wrote:
> > Add:
> > mygthtext.set_events (KEY_RELEASE_MASK)
> Doesn't make any difference either... Sigh.
> So, I'm really stuck with this, because I need to check the key_release event
> and one of the main interests in my project is that it wouldn't need any mouse
> action...
> Should I generate a fake mouse click? But I just don't know at all the syntax
> for this (and I wonder if it's a good way to solve the problem).
> Here's a little source script to show the problem (it's supposed to display
> 'Press' and 'Release' following the events... But 'Release' never happens
> unless there has been a mouse click in the window):
I didn't have any trouble with your example when I removed the set_events
call.  Set_events sets the mask for all events that you are interested
in.  I am sure you were not just interested in key releases.  The
add_events variant is usually the one you want.


Email: james@daa.com.au
WWW:   http://www.daa.com.au/~james/