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#include <stdio.h>
#include <stdlib.h>
#include <gtk/gtk.h>
#include "gtkdial.h"
void value_changed( GtkAdjustment *adjustment,
GtkWidget *label )
{
char buffer[16];
sprintf(buffer,"%4.2f",adjustment->value);
gtk_label_set_text (GTK_LABEL (label), buffer);
}
int main( int argc,
char *argv[])
{
GtkWidget *window;
GtkAdjustment *adjustment;
GtkWidget *dial;
GtkWidget *frame;
GtkWidget *vbox;
GtkWidget *label;
gtk_init (&argc, &argv);
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (window), "Dial");
g_signal_connect (window, "destroy",
G_CALLBACK (exit), NULL);
gtk_container_set_border_width (GTK_CONTAINER (window), 10);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, FALSE, 5);
gtk_container_add (GTK_CONTAINER (window), vbox);
gtk_widget_show (vbox);
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
gtk_container_add (GTK_CONTAINER (vbox), frame);
gtk_widget_show (frame);
adjustment = gtk_adjustment_new (0, 0, 100, 0.01, 0.1, 0);
dial = gtk_dial_new (adjustment);
gtk_dial_set_update_policy (GTK_DIAL (dial), GTK_UPDATE_DELAYED);
/* gtk_widget_set_size_request (dial, 100, 100); */
gtk_container_add (GTK_CONTAINER (frame), dial);
gtk_widget_show (dial);
label = gtk_label_new ("0.00");
gtk_box_pack_end (GTK_BOX (vbox), label, 0, 0, 0);
gtk_widget_show (label);
g_signal_connect (adjustment, "value-changed",
G_CALLBACK (value_changed),
label);
gtk_widget_show (window);
gtk_main ();
return 0;
}
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