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Gtkmm-forge Digest, Vol 10, Issue 4

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Today's Topics:

   1. [Bug 417116] Inconsistent Gnome::Gda::Value	semantics
      (gnomemm (bugzilla.gnome.org))
   2. [Bug 418155] Visual Studio Express 2005: ntstatus	0xc0150002
      (gtkmm (bugzilla.gnome.org))
   3. [Bug 418155] Visual Studio Express 2005: ntstatus	0xc0150002
      (gtkmm (bugzilla.gnome.org))
   4. [Bug 418571] New: Avoid dynamic_cast in vfunc	invocations for
      non-derived classes (glibmm (bugzilla.gnome.org))
   5. [Bug 418571] Avoid dynamic_cast in vfunc	invocations for
      non-derived classes (glibmm (bugzilla.gnome.org))
   6. [Bug 418571] Avoid dynamic_cast in vfunc	invocations for
      non-derived classes (glibmm (bugzilla.gnome.org))
   7. [Bug 418571] Avoid dynamic_cast in vfunc	invocations for
      non-derived classes (glibmm (bugzilla.gnome.org))
   8. [Bug 418571] Avoid dynamic_cast in vfunc	invocations for
      non-derived classes (glibmm (bugzilla.gnome.org))
   9. [Bug 418571] Avoid dynamic_cast in vfunc	invocations for
      non-derived classes (glibmm (bugzilla.gnome.org))


----------------------------------------------------------------------

Message: 1
Date: Wed, 14 Mar 2007 10:01:48 +0000 (UTC)
From: "gnomemm (bugzilla.gnome.org)"
	<bugzilla-daemon bugzilla gnome org>
Subject: [gtkmm bugzilla] [Bug 417116] Inconsistent Gnome::Gda::Value
	semantics
To: gtkmm-forge lists sourceforge net
Message-ID: <20070314100148 6359B6C41F1 box gnome org>
Content-Type: text/plain; charset=utf-8

Do not reply to this via email (we are currently unable to handle email
responses and they get discarded).  You can add comments to this bug at
http://bugzilla.gnome.org/show_bug.cgi?id=417116

  gnomemm | libgdamm | Ver: unspecified


Murray Cumming changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |murrayc murrayc com




------- Comment #1 from Murray Cumming  2007-03-14 09:59 UTC -------
Yes, let's do what gda_value_set* does. Maybe we can check the type before
changing it, to maybe be more efficient.

I wonder if C coders are meant to use the g_value_set_*() functions as well as
the gda_value_set*() functions. This would then be confusing for them. But that
would be a libgda bug.


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------------------------------

Message: 2
Date: Wed, 14 Mar 2007 15:15:43 +0000 (UTC)
From: "gtkmm (bugzilla.gnome.org)"
	<bugzilla-daemon bugzilla gnome org>
Subject: [gtkmm bugzilla] [Bug 418155] Visual Studio Express 2005:
	ntstatus	0xc0150002
To: gtkmm-forge lists sourceforge net
Message-ID: <20070314151543 3C3636C4193 box gnome org>
Content-Type: text/plain; charset=utf-8

Do not reply to this via email (we are currently unable to handle email
responses and they get discarded).  You can add comments to this bug at
http://bugzilla.gnome.org/show_bug.cgi?id=418155

  gtkmm | build | Ver: 2.10.x





------- Comment #2 from Cedric Gustin  2007-03-14 15:13 UTC -------
Quick comment for Justinas: Could you please try again after installing Service
Pack 1 for Visual C++ Express 2005 ? 


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------------------------------

Message: 3
Date: Thu, 15 Mar 2007 06:42:23 +0000 (UTC)
From: "gtkmm (bugzilla.gnome.org)"
	<bugzilla-daemon bugzilla gnome org>
Subject: [gtkmm bugzilla] [Bug 418155] Visual Studio Express 2005:
	ntstatus	0xc0150002
To: gtkmm-forge lists sourceforge net
Message-ID: <20070315064223 82E1C6C4184 box gnome org>
Content-Type: text/plain; charset=utf-8

Do not reply to this via email (we are currently unable to handle email
responses and they get discarded).  You can add comments to this bug at
http://bugzilla.gnome.org/show_bug.cgi?id=418155

  gtkmm | documentation | Ver: 2.10.x


Justinas V.D. changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|critical                    |enhancement
             Status|UNCONFIRMED                 |RESOLVED
          Component|build                       |documentation
         Resolution|                            |NOTABUG




------- Comment #3 from Justinas V.D.  2007-03-15 06:40 UTC -------
Service Pack 1 for Visual C++ Express 2005 fixes the aforementioned problem. I
think it's prudent to mention this nuance explicitly*, before one proceeds to
download and use the instalation package.

Thank you, Cedric.

--
* IMO, it ought to be mentioned there:
http://www.pcpm.ucl.ac.be/~gustin/win32_ports/
because it seems that I was not the only one with such a problem
(http://www.nabble.com/Problem-with-gtkmm-2.10-win32-t3337830.html).


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------------------------------

Message: 4
Date: Thu, 15 Mar 2007 13:46:25 +0000 (UTC)
From: "glibmm (bugzilla.gnome.org)"
	<bugzilla-daemon bugzilla gnome org>
Subject: [gtkmm bugzilla] [Bug 418571] New: Avoid dynamic_cast in
	vfunc	invocations for non-derived classes
To: gtkmm-forge lists sourceforge net
Message-ID: <bug-418571-5595 http bugzilla gnome org/>
Content-Type: text/plain; charset=utf-8

Do not reply to this via email (we are currently unable to handle email
responses and they get discarded).  You can add comments to this bug at
http://bugzilla.gnome.org/show_bug.cgi?id=418571

  glibmm | build | Ver: unspecified

           Summary: Avoid dynamic_cast in vfunc invocations for non-derived
                    classes
           Product: glibmm
           Version: unspecified
          Platform: Other
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: build
        AssignedTo: gtkmm-forge lists sourceforge net
        ReportedBy: armin arbur net
         QAContact: gtkmm-forge lists sourceforge net
                CC: murrayc murrayc com
     GNOME version: Unspecified
   GNOME milestone: Unspecified


The attached patch uses static_cast in vfuncs and signal handlers to cast the
wrapper object to ObjectBase*. This is enough to check whether the object is
from a derived type or not. A slow dynamic_cast has only to be performed if it
is derived, and the C++ vfunc needs to be called.

This requires ObjectBase::is_derived_ to be public, because it is called on a
ObjectBase* rather than the actual type. It also seems to break ABI.


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------------------------------

Message: 5
Date: Thu, 15 Mar 2007 13:47:27 +0000 (UTC)
From: "glibmm (bugzilla.gnome.org)"
	<bugzilla-daemon bugzilla gnome org>
Subject: [gtkmm bugzilla] [Bug 418571] Avoid dynamic_cast in vfunc
	invocations for non-derived classes
To: gtkmm-forge lists sourceforge net
Message-ID: <20070315134727 327336C417D box gnome org>
Content-Type: text/plain; charset=utf-8

Do not reply to this via email (we are currently unable to handle email
responses and they get discarded).  You can add comments to this bug at
http://bugzilla.gnome.org/show_bug.cgi?id=418571

  glibmm | build | Ver: unspecified





------- Comment #1 from Armin Burgmeier  2007-03-15 13:45 UTC -------
Created an attachment (id=84649)
 --> (http://bugzilla.gnome.org/attachment.cgi?id=84649&action=view)
static_cast to ObjectBase to check whether the object is derived


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------------------------------

Message: 6
Date: Thu, 15 Mar 2007 13:49:43 +0000 (UTC)
From: "glibmm (bugzilla.gnome.org)"
	<bugzilla-daemon bugzilla gnome org>
Subject: [gtkmm bugzilla] [Bug 418571] Avoid dynamic_cast in vfunc
	invocations for non-derived classes
To: gtkmm-forge lists sourceforge net
Message-ID: <20070315134943 A452E6C417D box gnome org>
Content-Type: text/plain; charset=utf-8

Do not reply to this via email (we are currently unable to handle email
responses and they get discarded).  You can add comments to this bug at
http://bugzilla.gnome.org/show_bug.cgi?id=418571

  glibmm | build | Ver: unspecified





------- Comment #2 from Murray Cumming  2007-03-15 13:47 UTC -------
Good catch. This seems very sensible. I'll test it locally.


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------------------------------

Message: 7
Date: Thu, 15 Mar 2007 14:01:36 +0000 (UTC)
From: "glibmm (bugzilla.gnome.org)"
	<bugzilla-daemon bugzilla gnome org>
Subject: [gtkmm bugzilla] [Bug 418571] Avoid dynamic_cast in vfunc
	invocations for non-derived classes
To: gtkmm-forge lists sourceforge net
Message-ID: <20070315140136 EB39D6C4194 box gnome org>
Content-Type: text/plain; charset=utf-8

Do not reply to this via email (we are currently unable to handle email
responses and they get discarded).  You can add comments to this bug at
http://bugzilla.gnome.org/show_bug.cgi?id=418571

  glibmm | build | Ver: unspecified


Murray Cumming changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |daniel kitta gmail com




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------------------------------

Message: 8
Date: Thu, 15 Mar 2007 17:36:53 +0000 (UTC)
From: "glibmm (bugzilla.gnome.org)"
	<bugzilla-daemon bugzilla gnome org>
Subject: [gtkmm bugzilla] [Bug 418571] Avoid dynamic_cast in vfunc
	invocations for non-derived classes
To: gtkmm-forge lists sourceforge net
Message-ID: <20070315173653 DC6726C41C8 box gnome org>
Content-Type: text/plain; charset=utf-8

Do not reply to this via email (we are currently unable to handle email
responses and they get discarded).  You can add comments to this bug at
http://bugzilla.gnome.org/show_bug.cgi?id=418571

  glibmm | build | Ver: unspecified





------- Comment #3 from Murray Cumming  2007-03-15 17:34 UTC -------
This does not seem to break ABI for me.


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------------------------------

Message: 9
Date: Thu, 15 Mar 2007 20:23:40 +0000 (UTC)
From: "glibmm (bugzilla.gnome.org)"
	<bugzilla-daemon bugzilla gnome org>
Subject: [gtkmm bugzilla] [Bug 418571] Avoid dynamic_cast in vfunc
	invocations for non-derived classes
To: gtkmm-forge lists sourceforge net
Message-ID: <20070315202340 54F766C41A1 box gnome org>
Content-Type: text/plain; charset=utf-8

Do not reply to this via email (we are currently unable to handle email
responses and they get discarded).  You can add comments to this bug at
http://bugzilla.gnome.org/show_bug.cgi?id=418571

  glibmm | build | Ver: unspecified





------- Comment #4 from Armin Burgmeier  2007-03-15 20:21 UTC -------
I tested this again, and it also seems to work for me now. I don't know what
caused the problem then. Sorry for the inconvenience.


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------------------------------

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