1bfcf9ba16
Sat Aug 24 12:46:37 BST 2002 Tony Gale <gale@gtk.org> * docs/tutorial/gtk-tut.sgml, examples/*: update g_connect_signal usage * docs/faq/gtk-faq.html: spelling/grammar fixes
68 lines
1.6 KiB
C
68 lines
1.6 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <gtk/gtk.h>
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#include "gtkdial.h"
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void value_changed( GtkAdjustment *adjustment,
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GtkWidget *label )
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{
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char buffer[16];
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sprintf(buffer,"%4.2f",adjustment->value);
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gtk_label_set_text (GTK_LABEL (label), buffer);
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}
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int main( int argc,
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char *argv[])
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{
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GtkWidget *window;
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GtkAdjustment *adjustment;
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GtkWidget *dial;
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GtkWidget *frame;
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GtkWidget *vbox;
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GtkWidget *label;
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gtk_init (&argc, &argv);
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_window_set_title (GTK_WINDOW (window), "Dial");
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g_signal_connect (G_OBJECT (window), "destroy",
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G_CALLBACK (exit), NULL);
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gtk_container_set_border_width (GTK_CONTAINER (window), 10);
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vbox = gtk_vbox_new (FALSE, 5);
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gtk_container_add (GTK_CONTAINER (window), vbox);
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gtk_widget_show (vbox);
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frame = gtk_frame_new (NULL);
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gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
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gtk_container_add (GTK_CONTAINER (vbox), frame);
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gtk_widget_show (frame);
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adjustment = GTK_ADJUSTMENT (gtk_adjustment_new (0, 0, 100, 0.01, 0.1, 0));
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dial = gtk_dial_new (adjustment);
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gtk_dial_set_update_policy (GTK_DIAL (dial), GTK_UPDATE_DELAYED);
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/* gtk_widget_set_size_request (dial, 100, 100); */
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gtk_container_add (GTK_CONTAINER (frame), dial);
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gtk_widget_show (dial);
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label = gtk_label_new ("0.00");
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gtk_box_pack_end (GTK_BOX (vbox), label, 0, 0, 0);
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gtk_widget_show (label);
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g_signal_connect (G_OBJECT (adjustment), "value_changed",
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G_CALLBACK (value_changed), (gpointer) label);
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gtk_widget_show (window);
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gtk_main ();
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return 0;
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}
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