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Today's Topics:
1. [Bug 588988] OptionGroup::on_post_parse() overrides must call
the base class's implementation (glibmm (bugzilla.gnome.org))
2. [Bug 548022] Gtk::Builder::get_widget(): Incomplete
documentation about exceptions thrown (gtkmm (bugzilla.gnome.org))
3. [Bug 548022] Gtk::Builder::get_widget(): Incomplete
documentation about exceptions thrown (gtkmm (bugzilla.gnome.org))
4. [Bug 589267] New: Crash when Gtk::Builder::get_widget()
doesn't find the specified widget (gtkmm (bugzilla.gnome.org))
5. [Bug 589267] Crash when Gtk::Builder::get_widget() doesn't
find the specified widget (gtkmm (bugzilla.gnome.org))
6. [Bug 548022] Gtk::Builder::get_widget(): Incomplete
documentation about exceptions thrown (gtkmm (bugzilla.gnome.org))
7. [Bug 548022] Gtk::Builder::get_widget(): Incomplete
documentation about exceptions thrown (gtkmm (bugzilla.gnome.org))
----------------------------------------------------------------------
Message: 1
Date: Tue, 21 Jul 2009 01:31:44 +0000 (UTC)
From: "glibmm (bugzilla.gnome.org)"
<[email protected]>
Subject: [gtkmm bugzilla] [Bug 588988] OptionGroup::on_post_parse()
overrides must call the base class's implementation
To: [email protected]
Message-ID: <[email protected]>
Content-Type: text/plain; charset=utf-8
If you have any questions why you received this email, please see the text at
the end of this email. Replies to this email are NOT read, please see the text
at the end of this email. You can add comments to this bug at:
http://bugzilla.gnome.org/show_bug.cgi?id=588988
glibmm | general | Ver: 2.20.x
------- Comment #2 from Hubert Figuiere 2009-07-21 01:31 UTC -------
Requiring to call the inherited implementation is prone to errors.
One way would be to have the current implementation not being this virtual
method but a another private method that will call the virtual method.
I'm sure we can do it in an ABI compatible way, but I don't think it is
important enough. However for Gtkmm 3, that would be nice.
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------------------------------
Message: 2
Date: Tue, 21 Jul 2009 10:08:13 +0000 (UTC)
From: "gtkmm (bugzilla.gnome.org)"
<[email protected]>
Subject: [gtkmm bugzilla] [Bug 548022] Gtk::Builder::get_widget():
Incomplete documentation about exceptions thrown
To: [email protected]
Message-ID: <[email protected]>
Content-Type: text/plain; charset=utf-8
If you have any questions why you received this email, please see the text at
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gtkmm | general | Ver: 2.12.x
------- Comment #2 from Alexander Shaduri 2009-07-21 10:08 UTC -------
It seems that we have a "two issues in one bug" situation - a segfault (more
important), and a documentation issue (less important). The title reflects the
less important issue.
Should I file one of them separately (which one)?
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------------------------------
Message: 3
Date: Tue, 21 Jul 2009 13:41:07 +0000 (UTC)
From: "gtkmm (bugzilla.gnome.org)"
<[email protected]>
Subject: [gtkmm bugzilla] [Bug 548022] Gtk::Builder::get_widget():
Incomplete documentation about exceptions thrown
To: [email protected]
Message-ID: <[email protected]>
Content-Type: text/plain; charset=utf-8
If you have any questions why you received this email, please see the text at
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gtkmm | general | Ver: 2.12.x
------- Comment #3 from Murray Cumming 2009-07-21 13:40 UTC -------
Doesn't it just fix the crash if you catch that exception? If there are two
separate bugs then please do file two bug reports.
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------------------------------
Message: 4
Date: Tue, 21 Jul 2009 16:00:51 +0000 (UTC)
From: "gtkmm (bugzilla.gnome.org)"
<[email protected]>
Subject: [gtkmm bugzilla] [Bug 589267] New: Crash when
Gtk::Builder::get_widget() doesn't find the specified widget
To: [email protected]
Message-ID: <[email protected]/>
Content-Type: text/plain; charset=utf-8
If you have any questions why you received this email, please see the text at
the end of this email. Replies to this email are NOT read, please see the text
at the end of this email. You can add comments to this bug at:
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gtkmm | general | Ver: 2.16.x
Summary: Crash when Gtk::Builder::get_widget() doesn't find the
specified widget
Product: gtkmm
Version: 2.16.x
Platform: Other
OS/Version: All
Status: UNCONFIRMED
Severity: critical
Priority: Normal
Component: general
AssignedTo: [email protected]
ReportedBy: [email protected]
QAContact: [email protected]
GNOME version: Unspecified
GNOME milestone: Unspecified
Steps to reproduce:
If I use the Gtk::Builder::get_widget() function to get a widget that doesn't
exist in the .ui file, I get the following:
(example:15351): gtkmm-CRITICAL **: gtkmm: object `DialogBasic_' not found in
GtkBuilder file.
Segmentation fault
Note that this happens even if I try to catch the exceptions. The following
example (modified from
gtkmm-documentation-2.16.0/examples/book/builder/basic/main.cc) demonstrates
the issue.
#include <gtkmm.h>
#include <iostream>
int main (int argc, char **argv)
{
Gtk::Main kit(argc, argv);
//Load the GtkBuilder file and instantiate its widgets:
Glib::RefPtr<Gtk::Builder> refBuilder = Gtk::Builder::create();
try {
refBuilder->add_from_file("basic.ui");
}
catch(const Glib::Error& ex) {
std::cerr << "Gtk::Builder::create() error: " << ex.what() << std::endl;
return 1;
}
Gtk::Dialog* pDialog = 0;
try {
// Notice the invalid name!
refBuilder->get_widget("DialogBasic_DOES_NOT_EXIST", pDialog);
}
catch(const Glib::Error& ex) {
std::cerr << "get_widget() error: " << ex.what() << std::endl;
}
if(pDialog) {
kit.run(*pDialog);
}
return 0;
}
Stack trace:
#0 Gtk::Builder::get_widget_checked (this=<value optimized out>,
na...@0x7fffffffda70, type=6592576) at builder.cc:265
#1 0x0000000000401627 in main (argc=1, argv=0x7fffffffdbb8)
at /usr/include/gtkmm-2.4/gtkmm/builder.h:474
Other information:
Tested with gtkmm 2.16.0, gtk2-2.16.4 on openSUSE 11.1 x86_64.
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------------------------------
Message: 5
Date: Tue, 21 Jul 2009 16:03:45 +0000 (UTC)
From: "gtkmm (bugzilla.gnome.org)"
<[email protected]>
Subject: [gtkmm bugzilla] [Bug 589267] Crash when
Gtk::Builder::get_widget() doesn't find the specified widget
To: [email protected]
Message-ID: <[email protected]>
Content-Type: text/plain; charset=utf-8
If you have any questions why you received this email, please see the text at
the end of this email. Replies to this email are NOT read, please see the text
at the end of this email. You can add comments to this bug at:
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gtkmm | general | Ver: 2.16.x
------- Comment #1 from Alexander Shaduri 2009-07-21 16:03 UTC -------
Forgot to add, the "basic.ui" file comes from
gtkmm-documentation-2.16.0/examples/book/builder/basic/basic.ui . You can just
drop the above example as main.cc in there and it will compile. Also, this is
somewhat related to http://bugzilla.gnome.org/show_bug.cgi?id=548022
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------------------------------
Message: 6
Date: Tue, 21 Jul 2009 16:06:44 +0000 (UTC)
From: "gtkmm (bugzilla.gnome.org)"
<[email protected]>
Subject: [gtkmm bugzilla] [Bug 548022] Gtk::Builder::get_widget():
Incomplete documentation about exceptions thrown
To: [email protected]
Message-ID: <[email protected]>
Content-Type: text/plain; charset=utf-8
If you have any questions why you received this email, please see the text at
the end of this email. Replies to this email are NOT read, please see the text
at the end of this email. You can add comments to this bug at:
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gtkmm | general | Ver: 2.12.x
------- Comment #4 from Alexander Shaduri 2009-07-21 16:06 UTC -------
(In reply to comment #1)
> Yes. I have added that catch to the examples.
Sorry, but the master version at
http://git.gnome.org/cgit/gtkmm-documentation/tree/examples/book/builder/basic/main.cc
doesn't have the try/catch block around the get_widget() call. Or am I looking
at the wrong version?
(In reply to comment #3)
> Doesn't it just fix the crash if you catch that exception? If there are two
> separate bugs then please do file two bug reports.
>
No, it doesn't. No exception is thrown (at least in 2.16.0). I filed
http://bugzilla.gnome.org/show_bug.cgi?id=589267 about that.
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------------------------------
Message: 7
Date: Tue, 21 Jul 2009 16:16:50 +0000 (UTC)
From: "gtkmm (bugzilla.gnome.org)"
<[email protected]>
Subject: [gtkmm bugzilla] [Bug 548022] Gtk::Builder::get_widget():
Incomplete documentation about exceptions thrown
To: [email protected]
Message-ID: <[email protected]>
Content-Type: text/plain; charset=utf-8
If you have any questions why you received this email, please see the text at
the end of this email. Replies to this email are NOT read, please see the text
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gtkmm | general | Ver: 2.12.x
------- Comment #5 from Murray Cumming 2009-07-21 16:16 UTC -------
(In reply to comment #4)
> (In reply to comment #1)
> > Yes. I have added that catch to the examples.
>
> Sorry, but the master version at
> http://git.gnome.org/cgit/gtkmm-documentation/tree/examples/book/builder/basic/main.cc
> doesn't have the try/catch block around the get_widget() call. Or am I looking
> at the wrong version?
I added the catch around the add_to_file() call:
http://git.gnome.org/cgit/gtkmm-documentation/commit/?id=500884ea10a3dfc1b18cf488b56e9fc0938b989f
I don't think get_widget() throws any exception. Or are you sure that it does?
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------------------------------
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