?? hellogtk+.c
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/* * * Sample Code for Gtk+ Programming in C, 1st Edition, Prentice Hall * * Copyright 2000 - 2002 Syd Logan, All Rights Reserved * * This code is distributed without warranty. You are free to use this * code for any purpose, however, if this code is republished or * redistributed in its original form, as hardcopy or electronically, * then you must include this copyright notice along with the code. * * Questions or comments regarding this code or any bugs it contains can * be directed to the author via e-mail at slogan@cts.com **/#include <stdio.h>#include <gtk/gtk.h>static GtkWidget *entry;voidPrintAndExit (GtkWidget *widget, GtkWidget *window){ char *str; str = gtk_entry_get_text( GTK_ENTRY(entry) ); if ( str != (char *) NULL ) printf( "%s\n", str ); gtk_widget_destroy (window); gtk_main_quit ();}voidPrintByeAndExit (GtkWidget *widget, gpointer data){ printf( "Goodbye, world!\n" ); gtk_exit(0);}intmain( int argc, char *argv[] ){ GtkWidget *window, *label, *vbox, *hbox, *button, *separator; gtk_set_locale (); gtk_init (&argc, &argv); window = gtk_window_new (GTK_WINDOW_TOPLEVEL); gtk_window_set_policy( GTK_WINDOW( window ), FALSE, FALSE, FALSE ); gtk_signal_connect (GTK_OBJECT(window), "destroy", GTK_SIGNAL_FUNC(PrintByeAndExit), NULL); gtk_window_set_title (GTK_WINDOW (window), "Hello Gtk+!"); gtk_container_border_width (GTK_CONTAINER (window), 0); vbox = gtk_vbox_new (FALSE, 0); gtk_container_add (GTK_CONTAINER (window), vbox); hbox = gtk_hbox_new (FALSE, 0); gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0); label = gtk_label_new( "Enter a message:" ); gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0); entry = gtk_entry_new (); gtk_entry_set_text (GTK_ENTRY (entry), ""); gtk_editable_select_region (GTK_EDITABLE (entry), 0, -1); gtk_box_pack_start (GTK_BOX (hbox), entry, FALSE, FALSE, 0); separator = gtk_hseparator_new (); gtk_box_pack_start (GTK_BOX (vbox), separator, FALSE, FALSE, 0); button = gtk_button_new_with_label ("Print"); gtk_signal_connect_object (GTK_OBJECT (button), "clicked", GTK_SIGNAL_FUNC(PrintAndExit), GTK_OBJECT (window)); gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0); GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT); gtk_widget_grab_default (button); gtk_widget_show_all (window); gtk_main (); return( 0 );}
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