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gcc -o test -Wall -g main.c `pkg-config gtk+-2.0 --cflags --libs `-I/usr/include/libglade-2.0 -lglade-2.0

<?xml version="1.0" standalone="no"?> <!--*- mode: xml -*-->
<!DOCTYPE glade-interface SYSTEM "http://glade.gnome.org/glade-2.0.dtd">

<glade-interface>

<widget class="GtkWindow" id="window1">
  <property name="visible">True</property>
  <property name="title" translatable="yes">window1</property>
  <property name="type">GTK_WINDOW_TOPLEVEL</property>
  <property name="window_position">GTK_WIN_POS_NONE</property>
  <property name="modal">False</property>
  <property name="resizable">True</property>
  <property name="destroy_with_parent">False</property>
  <property name="decorated">True</property>
  <property name="skip_taskbar_hint">False</property>
  <property name="skip_pager_hint">False</property>
  <property name="type_hint">GDK_WINDOW_TYPE_HINT_NORMAL</property>
  <property name="gravity">GDK_GRAVITY_NORTH_WEST</property>
  <property name="focus_on_map">True</property>
  <signal name="destroy" handler="on_window1_destroy" last_modification_time="Wed, 15 Mar 2006 15:55:53 GMT"/>

  <child>
    <widget class="GtkVBox" id="vbox1">
      <property name="visible">True</property>
      <property name="homogeneous">False</property>
      <property name="spacing">0</property>

      <child>
   <widget class="GtkHScale" id="hscale1">
     <property name="visible">True</property>
     <property name="can_focus">True</property>
     <property name="draw_value">True</property>
     <property name="value_pos">GTK_POS_TOP</property>
     <property name="digits">0</property>
     <property name="update_policy">GTK_UPDATE_CONTINUOUS</property>
     <property name="inverted">False</property>
     <property name="adjustment">5 0 100 1 5 5</property>
     <signal name="value_changed" handler="on_hscale1_value_changed" last_modification_time="Wed, 15 Mar 2006 15:52:49 GMT"/>
   </widget>
   <packing>
     <property name="padding">0</property>
     <property name="expand">True</property>
     <property name="fill">True</property>
   </packing>
      </child>

      <child>
   <widget class="GtkLabel" id="label1">
     <property name="visible">True</property>
     <property name="label" translatable="yes">www.micahcarrick.com</property>
     <property name="use_underline">False</property>
     <property name="use_markup">False</property>
     <property name="justify">GTK_JUSTIFY_LEFT</property>
     <property name="wrap">False</property>
     <property name="selectable">False</property>
     <property name="xalign">0.5</property>
     <property name="yalign">0.5</property>
     <property name="xpad">5</property>
     <property name="ypad">10</property>
     <property name="ellipsize">PANGO_ELLIPSIZE_NONE</property>
     <property name="width_chars">-1</property>
     <property name="single_line_mode">False</property>
     <property name="angle">0</property>
   </widget>
   <packing>
     <property name="padding">0</property>
     <property name="expand">False</property>
     <property name="fill">False</property>
   </packing>
      </child>
    </widget>
  </child>
</widget>

</glade-interface>

#define GLADE_FILE "gui.glade"

#include <gtk/gtk.h>
#include <glade/glade.h>

void
on_hscale1_value_changed (GtkWidget *widget, gpointer user_data)
{
        gdouble val;
        val = gtk_range_get_value (GTK_RANGE(widget));
       
        /* print to screen */
        g_print("Range value: %d\n", (guint)val);
}

void
on_window1_destroy (GtkWidget *widget, gpointer user_data)
{
        /* break gtk_main() loop */
        gtk_main_quit();                       
}

int
main (int argc, char *argv[])
{
       
        GtkWidget *main_window; 
        GladeXML *gxml;
       
        /* initialize the GTK+ library */
        gtk_init (&argc, &argv);

        /*
        create an instance of the GladeXML object and build widgets within
        the window1 root node.
        */
        gxml = glade_xml_new (GLADE_FILE, NULL, NULL);
       
        /* get the window widget from the glade XML file */
        main_window = glade_xml_get_widget (gxml, "window1");
       
        /* connect signals */
        glade_xml_signal_connect (gxml, "on_window1_destroy",
                G_CALLBACK(on_window1_destroy));
       
        glade_xml_signal_connect (gxml, "on_hscale1_value_changed",
                G_CALLBACK(on_hscale1_value_changed));

        /* show the main window */
        gtk_widget_show (main_window);

        /* begin main GTK loop */
        gtk_main ();
       
        return 0;     
}