linux c图形界面开发

#include <gtk/gtk.h>

int main(int argc, char *argv[]) {
    gtk_init(&argc, &argv);
    GtkWidget *window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    gtk_window_set_title(GTK_WINDOW(window), "Hello World");
    g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
    gtk_widget_show_all(window);
    gtk_main();
    return 0;
}

#include <gtk/gtk.h>

void on_button_clicked(GtkWidget *button, gpointer data) {
    GtkWidget *dialog = gtk_message_dialog_new(GTK_WINDOW(data),
                                               GTK_DIALOG_MODAL,
                                               GTK_MESSAGE_INFO,
                                               GTK_BUTTONS_OK,
                                               "Hello, World!");
    gtk_dialog_run(GTK_DIALOG(dialog));
    gtk_widget_destroy(dialog);
}

int main(int argc, char *argv[]) {
    gtk_init(&argc, &argv);

    GtkWidget *window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    gtk_window_set_title(GTK_WINDOW(window), "C GUI Example");
    gtk_window_set_default_size(GTK_WINDOW(window), 200, 200);

    GtkWidget *button = gtk_button_new_with_label("Click Me");
    g_signal_connect(button, "clicked", G_CALLBACK(on_button_clicked), window);

    GtkWidget *vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 5);
    gtk_box_pack_start(GTK_BOX(vbox), button, TRUE, TRUE, 0);

    gtk_container_add(GTK_CONTAINER(window), vbox);

    g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
    gtk_widget_show_all(window);
    gtk_main();

    return 0;
}

gcc `pkg-config --cflags --libs gtk+-3.0` -o my_gui_app my_gui_app.c