[gtk-server] Re: R: Re: GtkTextView and focus-out-event
- From: Peter van Eerten <administrator@xxxxxxxxxxxxxx>
- To: gtk-server@xxxxxxxxxxxxx
- Date: Sat, 12 Nov 2005 23:57:10 +0100
Hi all,
This issue is fixed in release 2.0.6 of the GTK-server.
Peter
Citeren Peter van Eerten <administrator@xxxxxxxxxxxxxx>:
> Hi Leonardo,
>
> Well I could reproduce the problem now, also in Linux. It seems that this is
> not
> a GTK bug, but a consequence of the blinking timeout of the cursor in the
> TextView widget. The complete error I receive in Linux is this:
>
> .....
> (<unknown>:1880): Gtk-WARNING **: GtkTextView - did not receive
> focus-out-event.
> If you connect a handler to this signal, it must return FALSE so the entry
> gets
> the event as well
>
> Gtk-ERROR **: file gtktextview.c: line 4482 (blink_cb): assertion failed:
> (GTK_WIDGET_HAS_FOCUS (text_view))
> aborting...
> .....
>
> There is a Perl newsgroup entry explaining the issue:
>
> http://mail.gnome.org/archives/gtk-perl-list/2005-September/msg00143.html
>
>
> There are 2 solutions none of which can be realized with the current version
> of
> the GTK-server:
>
> 1) continue your program using g_idle_add(). This function however needs an
> address of a new function, which never can be given with interpreted
> languages;
>
> 2) connect the signal with 'g_signal_connect_after' as you suggested yourself
> before. The GTK-server currently only uses 'g_signal_connect', so a change on
> my
> side is needed.
>
> The last option is easy to implement, I could add an extra internal call like
> "gtk_server_connect_after" with a similar syntax. Or the current
> implementation
> could be changed to 'g_signal_connect_after' completely, but I have to
> investigate the consequences of this change.
>
> As soon as I have a fix ready I'll let you know.
>
> Br,
> Peter
>
>
> Citeren Leonardo Cecchi <leonardoce@xxxxxxxxxxxx>:
>
> > Thanks Peter for the reply!
> > To reproduce the problem on your e-text reader in newlisp I had:
> >
> > 1) Commented the lines
> >
> > # LEONARDO (GTK:gtkp "gtk_text_view_set_editable" entry 0)
> > # LEONARDO (GTK:gtkp "gtk_text_view_set_cursor_visible" entry 0)
> >
> > 2) Added the line
> >
> > # ADD LEONARDO
> > (GTK:gtkp "gtk_server_connect" entry "focus-out-event Trial")
> >
> > To reproduce the problem you can:
> >
> > 1) Place the focus in the textview (I also wrote some text)
> > 2) Try to load a file
> >
> > I think the problem is in the blinking cursor..... so if it's not visible
> > the issue doesn't show up.
> > I have only one GTK version on my computer and the gtk_check_version say:
> >
> > Gtk+ version too new (major mismatch)
> >
> > I really don't know what's happening.
> > I have Gtk 2.6.7 and I verified this version number with the Gtk Demo
> > application.
> > I have checked my path and in my harddisk I have found only one
> > libgtk-win32-2.0-0.dll.
> > I will try on linux and let you know the results.
> >
> > Thanks again and compliments for your e-text application.
> >
> > Leonardo
> >
> >
> >
> > -----Messaggio originale-----
> > Da: gtk-server-bounce@xxxxxxxxxxxxx
> [mailto:gtk-server-bounce@xxxxxxxxxxxxx]
> > Per conto di Peter van Eerten
> > Inviato: sabato 12 novembre 2005 11.58
> > A: gtk-server@xxxxxxxxxxxxx
> > Oggetto: [gtk-server] Re: GtkTextView and focus-out-event
> >
> > Hi Leonardo,
> >
> > Unfortunately I cannot reproduce your problem. The system I use is Win2000,
> > GTK-
> > server 2.0.5 and GTK 2.6.8-1.
> >
> > In my e-text reader, which I programmed with newLisp, I can connect the
> > 'focus-
> > out-event' signal to the TextView widget without any warnings. My code
> looks
> > like this:
> >
> > (GTK:gtkp "gtk_server_connect" entry "focus-out-event Trial")
> >
> > The variable 'entry' contains the pointer to the TextView widget. It is the
> > last line in my TextView definitions. The logfile shows:
> >
> > ....
> > SCRIPT: gtk_settings_get_default
> > SERVER: 15617320
> > SCRIPT: gtk_widget_set_name 15696056 textview
> > SERVER: ok
> > SCRIPT: gtk_server_connect 15696056 focus-out-event Trial
> > SERVER: ok
> > SCRIPT: gtk_frame_new NULL
> > SERVER: 15779744
> > ....
> >
> > The bug-report you mention concerns GTK 2.0.x, so I assume it is not valid
> > for
> > your GTK 2.6.x.
> >
> > So it appears you suffer from a GTK 2.0.x problem. You can check your
> > current
> > GTK version with the command "gtk_check_version".
> >
> > Please make sure you have only one GTK installation on your machine, and
> > that
> > you have the correct GTK DLL's in your path. If this is the case, maybe you
> > could try to upgrade to the latest GTK environment, which is downloadable
> > from
> > http://gimp-win.sourceforge.net/.
> >
> > If all this does not work out, you could try to perform a 'grabfocus'
> > command
> > on the TextView first.
> >
> > Also you could try to use my e-text viewer with newLisp and add the same
> > signal, to see if the problem occurs again.
> >
> > The GTK-server currently connects additional signals with
> > the 'g_signal_connect' command. So connecting additional signals with
> > the 'g_signal_connect_after' command cannot be performed (yet).
> >
> > Please let me the outcome of this problem.
> >
> > Best regards
> > Peter
> >
> >
> > Citeren Leonardo Cecchi <leonardoce@xxxxxxxxxxxx>:
> >
> > > Hi,
> > >
> > > I'm trying to connect to "focus-out-event" on a textview but I obtain an
> > > assertion error and the program exit with an error status.
> > > The assertion error looks like this:
> > >
> > > Assertion failed: (GTK_WIDGET_HAS_FOCUS (text_view)) on gtktextview.c in
> > > line 4482
> > >
> > > I found an issue on GtkEntry that is really similiar:
> > >
> > > http://bugzilla.gnome.org/show_bug.cgi?id=78305
> > >
> > > I think the problem is that I should connect to focus-out-event with
> > > g_signal_connect_after instead of g_signal_connect.
> > > I'm using a code like this:
> > >
> > > (send-gtk "gtk_server_connect " textview " focus-out-event \"Trial\"")
> > >
> > > Where I'm wrong? I'm probably using gtk_server_connect in a wrong
> > manner...
> > > I'm working with Clisp 2.35, GtkServer 2.0 build 5, Gtk 2.6.7, Windows XP
> > > Sp2.
> > >
> > > Thanks and excuse me for my bad english.
> > >
> > > Leonardo
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