Callbacks when glade file is loaded using a dynamic library
- From: dfg dfg <abxccd msn com>
- To: <gtk-app-devel-list gnome org>
- Subject: Callbacks when glade file is loaded using a dynamic library
- Date: Thu, 22 Apr 2010 23:21:44 +0000
Hi everyone, 
Currently, I have built my main application using glade. This file is then loaded by a C application. 
I then created another interface using Glade. When my main application loads, it loads a .so library which 
contains code for this subsection (kind of like a plugin). 
The .so file loads in the second glade file and attaches it into the interface of the main application. This 
all works problem. 
The problem I am facing now is that gtk_builder_connect_signals (builder, NULL); does not work. 
For my .so file, i have 3 files: 
   -libmyplugin.c 
   -libmyplugincallbacks.h 
   -libmyplugincallbacks.c 
My code for the libmyplugin.c file looks like this: 
   #include <stdlib.h> 
   #include <gtk/gtk.h> 
   #include "libmyplugincallbacks.h" 
   #define GUI "libmyplugingui.ui" 
   int startplugin(){
      extern *mainBuilder; 
      GtkBuilder *subbuilder; 
      //Do things like attach the glade file into the main glade file. 
      gtk_builder_connect_signals (builder, NULL);
   }
 
My libmyplugincallbacks.h
   #include <gtk/gtk.h> 
   void myfunc (GtkCellRenderer *cell, GtkCellEditable *editable, const gchar *path, gpointer data); 
 
My libplugincallbacks.c 
   #ifdef HAVE_CONFIG_H 
   #  include <config.h> 
   #endif 
   #include "libmyplugincallbacks.h" 
   #include <string.h> 
   void myfunc(GtkCellRenderer *cell, GtkCellEditable *editable, const gchar *path, gpointer data){ 
     if (GTK_IS_ENTRY (editable)) 
       { 
       //Do stuff 
       } 
   } 
 
When I compile my program, the .so file compiles properly. However, when ever I run the program, it loads the 
.so file. Once GTK builder gets to the stage where it connects the signals, it will complain that "myfunc" 
cannot be found. I have double checked the name of the function in my glade file and it is spelt and entered 
correctly.
 
Any ideas appreciated :)
                                          
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