GtkBuilder, win32 signals

2008-02-13 Thread Gabriele Greco 
I'm doing some tests with GtkBuilder and I've built a simple program
that open a window with a pair of buttons with a signal for each button
and it works perfectly in linux.

I've tried to crosscompile it to win32 with this command line:

i586-mingw32msvc-gcc -o main.exe main.c -mno-cygwin -mms-bitfields
-I$CROSSDIR/include/gtk-2.0/glib-2.0
-I$CROSSDIR/lib/gtk2/glib-2.0/include/ -I$CROSSDIR/include/cairo
-I$CROSSDIR/include/gtk-2.0 -I$CROSSDIR/include/atk-1.0
-I$CROSSDIR/include/pango-1.0 -I$CROSSDIR/lib/gtk-2.0/include  -s
-L$CROSSDIR/lib/gtk-2.0 -lgtk-win32-2.0 -lgdk-win32-2.0 -latk-1.0
-lgdk_pixbuf-2.0 -lpango-1.0 -lpangowin32-1.0  -lgmodule-2.0
-lgobject-2.0 -lglib-2.0 -lgthread-2.0 -Wl,--export-dynamic

This is mostly the line I use in our production enviroment, the program
compile and link, but complains about missing signal handlers when I call:
gtk_builder_connect_signals (b, NULL);

I'm wondering if the gmodule inspecting feature to link the handlers
is broken in win32 or if I have to add some more flag (gmodule-2.0.pc of
the win32 dev archive doesn't show anything relevant...) and
g_module_supported() returns true!

--
Bye,
 Gabry
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Re: GtkBuilder, win32 signals

2008-02-13 Thread Gabriele Greco 
On 2/13/08, Tor Lillqvist [EMAIL PROTECTED] wrote:

   I'm wondering if the gmodule inspecting feature to link the handlers
   is broken in win32 or if I have to add some more flag

 I quote the documentation for gtk_builder_connect_signals() in trunk:

 * When compiling applications for Windows, you must declare signal
 callbacks
 * with G_MODULE_EXPORT, or they will not be put in the symbol table.
 * On Linux and Unices, this is not necessary; applications should instead
 * be compiled with the -Wl,--export-dynamic CFLAGS, and linked against
 * gmodule-export-2.0.

 I.e. define your callback functions like this:

 G_MODULE_EXPORT int
 foobar (...)
 {
 ...
 }


That works perfectly thanks, I'm replying to the list just because this is
not available in the stable documentation in gtk.org and maybe someone
else has interest on this topic.

Nice addon this GtkBuilder BTW :)

I think I'll try to move on the development of our applications from the
built in code generation to this, the fact that doesn't need an external
library and that connects signals is a big plus over the libglade approach.

-- 
Bye,
 Gabry
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