LinuxQuestions.org - Failed to run the tutorial program in Anjuta + Glade

I am using Ubuntu 8.04. I was trying to run the example program 'Hello World' in anjuta (GUI using glade). But, it generated errors.

This was the code that generated errors.

Code:

void

on_BT_EXIT_clicked        (GtkButton *button, gpointer user_data)

{

                gtk_main_quit();

}



void 

on_BT_OK_clicked (GtkButton *button, gpointer user_data) 

{ 



                GtkWidget *entry = lookup_widget (GTK_WIDGET(button), "ENTRY"); 

                GtkWidget *msgbox = gnome_app_new("Hello World", "Hello World"); 

                gchar *text1, *text2; 



                text1 = gtk_entry_get_text (GTK_ENTRY(entry)); 

                text2 = g_strconcat ("Hello, ", text1, NULL); 

                gnome_app_message (GNOME_APP(msgbox), text2);

                g_free (text2); 



}

This was the Error while linking the project.

Quote:

callbacks.c:40: Undefined reference to 'lookup_widget'

Then I deleted the on_BT_OK_clicked section. Now on_BT_EXIT_clicked only remains. I compiled and built the project. But it showed running error. the main.c file resulted in the error. It was like this

Quote:

main.c

Code:

#ifdef HAVE_CONFIG_H

#  include <config.h>

#endif



#include <sys/types.h>

#include <sys/stat.h>

#include <unistd.h>

#include <string.h>

#include <stdio.h>



#include <bonobo.h>

#include <gnome.h>



#include "callbacks.h"





#include <glade/glade.h>



/* For testing propose use the local (not installed) glade file */

/* #define GLADE_FILE PACKAGE_DATA_DIR"/hw/glade/hw.glade" */

#define GLADE_FILE "hw.glade"





GtkWidget*

create_window (void)

{

        GtkWidget *window1;



        GladeXML *gxml;

        

        gxml = glade_xml_new (GLADE_FILE, NULL, NULL);

        

        /* This is important */

        glade_xml_signal_autoconnect (gxml);

        window1 = glade_xml_get_widget (gxml, "window");



        

        return window1;

}









int

main (int argc, char *argv[])

{

        GtkWidget *window1;





#ifdef ENABLE_NLS

        bindtextdomain (GETTEXT_PACKAGE, PACKAGE_LOCALE_DIR);

        bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");

        textdomain (GETTEXT_PACKAGE);

#endif



        gnome_program_init (PACKAGE, VERSION, LIBGNOMEUI_MODULE,

                      argc, argv,

                      GNOME_PARAM_APP_DATADIR, PACKAGE_DATA_DIR,

                      NULL);



        window1 = create_window ();

        gtk_widget_show (window1);



        gtk_main ();

        

        return 0;

}

This was the error I found on the terminal.

Quote:

Gtk-CRITICAL **: gtk_widget_show: assertion 'GTK_IS_WIDGET (widget)' failed.

I also found that Glade does not automaticall generated the 'c code' for the button cliked and etc. In previous versions I notices a header file #include <gtk/gtk.h> on the callbacks.c file. But here nothing was there. I am using Anjuta 2.4.1 with Glade 3.4.2.

I have installed libgtk2.0 and also the dev files.

Please help me cure the problem.