9e926f9a28
People playing with those examples tend to mess up things, so it's really really unhelpful if we don't do error checking.
47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
#include <gtk/gtk.h>
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static void
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print_hello (GtkWidget *widget,
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gpointer data)
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{
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g_print ("Hello World\n");
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}
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int
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main (int argc,
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char *argv[])
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{
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GtkBuilder *builder;
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GObject *window;
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GObject *button;
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GError *error = NULL;
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gtk_init (&argc, &argv);
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/* Construct a GtkBuilder instance and load our UI description */
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builder = gtk_builder_new ();
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if (gtk_builder_add_from_file (builder, "builder.ui", &error) == 0)
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{
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g_printerr ("Error loading file: %s\n", error->message);
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g_clear_error (&error);
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return 1;
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}
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/* Connect signal handlers to the constructed widgets. */
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window = gtk_builder_get_object (builder, "window");
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g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
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button = gtk_builder_get_object (builder, "button1");
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g_signal_connect (button, "clicked", G_CALLBACK (print_hello), NULL);
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button = gtk_builder_get_object (builder, "button2");
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g_signal_connect (button, "clicked", G_CALLBACK (print_hello), NULL);
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button = gtk_builder_get_object (builder, "quit");
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g_signal_connect (button, "clicked", G_CALLBACK (gtk_main_quit), NULL);
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gtk_main ();
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return 0;
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}
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