GTK: Layout: Table

#include <gtk/gtk.h>
int main  ( int argc, char *argv[] )
{
    GtkWidget *window;
    GtkWidget *table;
    GtkWidget *button;
    GtkWidget *frame;

    gtk_init( &argc, &argv );

    window = gtk_window_new( GTK_WINDOW_TOPLEVEL );
    gtk_window_set_title( GTK_WINDOW( window ), "格状容器" );
    gtk_window_set_default_size( GTK_WINDOW( window ), 200, 300 );
    g_signal_connect( G_OBJECT( window ), "destroy",G_CALLBACK( gtk_main_quit ), NULL );
    gtk_container_set_border_width( GTK_CONTAINER( window ), 20 );

    frame = gtk_frame_new( "请注意下列按钮的排列" );
    gtk_container_add( GTK_CONTAINER( window ), frame );

    table = gtk_table_new( 4, 4, FALSE );
    gtk_container_set_border_width( GTK_CONTAINER( table ), 10 );
    gtk_table_set_row_spacings( GTK_TABLE( table ), 5 );
    gtk_table_set_col_spacings( GTK_TABLE( table ), 5 );
    gtk_container_add( GTK_CONTAINER( frame ), table );

    button = gtk_button_new();
    gtk_table_attach( GTK_TABLE( table ), button, 0, 1, 0, 1, GTK_FILL, GTK_FILL, 0, 0 );

    button = gtk_button_new();//_with_label("1,3,1,3");
    gtk_table_attach( GTK_TABLE( table ), button, 1, 3, 1, 3, GTK_FILL, GTK_FILL, 0, 0 );

    button = gtk_button_new();//_with_label("0,1,1,3");
    gtk_table_attach_defaults( GTK_TABLE( table ), button, 0, 1, 1, 3 );

    button = gtk_button_new(); //_with_label("1,3,0,1");
    gtk_table_attach_defaults( GTK_TABLE( table ), button, 1, 3, 0, 1 );

    button = gtk_button_new();//_with_label("0,4,3,4");
    gtk_table_attach_defaults( GTK_TABLE( table ), button, 0, 4, 3, 4 );

    button = gtk_button_new();//_with_label("3,4,0,3");
    gtk_table_attach_defaults( GTK_TABLE( table ), button, 3, 4, 0, 3 );

    gtk_widget_show_all( window );
    gtk_main();

    return 0;
}

gtk_table_attach( GTK_TABLE( table ), button, 0, 1, 0, 1, GTK_FILL, GTK_FILL, 0, 0 );
// 0,1,0,1
// a square arranged from (0,0) to (1,1)