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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static void
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activate (GtkApplication *app,
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gpointer user_data)
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{
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GtkWidget *window;
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GtkWidget *button;
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window = gtk_application_window_new (app);
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gtk_window_set_title (GTK_WINDOW (window), "Window");
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gtk_window_set_default_size (GTK_WINDOW (window), 200, 200);
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button = gtk_button_new_with_label ("Hello World");
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gtk_widget_set_halign (button, GTK_ALIGN_CENTER);
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gtk_widget_set_valign (button, GTK_ALIGN_CENTER);
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g_signal_connect (button, "clicked", G_CALLBACK (print_hello), NULL);
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g_signal_connect_swapped (button, "clicked", G_CALLBACK (gtk_window_destroy), window);
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gtk_window_set_child (GTK_WINDOW (window), button);
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gtk_window_present (GTK_WINDOW (window));
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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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GtkApplication *app;
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int status;
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app = gtk_application_new ("org.gtk.example", G_APPLICATION_DEFAULT_FLAGS);
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g_signal_connect (app, "activate", G_CALLBACK (activate), NULL);
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status = g_application_run (G_APPLICATION (app), argc, argv);
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g_object_unref (app);
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return status;
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}
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