mui/gtk-mui/examples/dial_test.c

   1
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <gtk/gtk.h>
   5 #include "gtkdial.h"
   6
   7 void value_changed( GtkAdjustment *adjustment,
   8                     GtkWidget     *label )
   9 {
  10   char buffer[16];
  11
  12   sprintf(buffer,"%4.2f",adjustment->value);
  13   gtk_label_set_text (GTK_LABEL (label), buffer);
  14 }
  15
  16 int main( int   argc,
  17           char *argv[])
  18 {
  19   GtkWidget *window;
  20   GtkAdjustment *adjustment;
  21   GtkWidget *dial;
  22   GtkWidget *frame;
  23   GtkWidget *vbox;
  24   GtkWidget *label;
  25
  26   gtk_init (&argc, &argv);
  27
  28   window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
  29
  30   gtk_window_set_title (GTK_WINDOW (window), "Dial");
  31
  32   g_signal_connect (G_OBJECT (window), "destroy",
  33                     G_CALLBACK (exit), NULL);
  34
  35   gtk_container_set_border_width (GTK_CONTAINER (window), 10);
  36
  37   vbox = gtk_vbox_new (FALSE, 5);
  38   gtk_container_add (GTK_CONTAINER (window), vbox);
  39   gtk_widget_show (vbox);
  40
  41   frame = gtk_frame_new (NULL);
  42   gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
  43   gtk_container_add (GTK_CONTAINER (vbox), frame);
  44   gtk_widget_show (frame);
  45
  46   adjustment = GTK_ADJUSTMENT (gtk_adjustment_new (0, 0, 100, 0.01, 0.1, 0));
  47
  48   dial = gtk_dial_new (adjustment);
  49   gtk_dial_set_update_policy (GTK_DIAL (dial), GTK_UPDATE_DELAYED);
  50   /*  gtk_widget_set_size_request (dial, 100, 100); */
  51
  52   gtk_container_add (GTK_CONTAINER (frame), dial);
  53   gtk_widget_show (dial);
  54
  55   label = gtk_label_new ("0.00");
  56   gtk_box_pack_end (GTK_BOX (vbox), label, 0, 0, 0);
  57   gtk_widget_show (label);
  58
  59   g_signal_connect (G_OBJECT (adjustment), "value_changed",
  60                     G_CALLBACK (value_changed), (gpointer) label);
  61
  62   gtk_widget_show (window);
  63
  64   gtk_main ();
  65
  66   return 0;
  67 }