#include <gtk/gtk.h>

#include <gdk/gdkkeysyms.h>

int main( int argc, char *argv[])

{

GtkWidget *window;

GtkWidget *vbox;

GtkWidget *menubar;

GtkWidget *filemenu, *item_file, *item_new, *item_open,*item_quit;

GtkWidget *editmenu, *item_edit, *item_undo, *item_redo, *item_cut, *item_copy, *item_paste;

GtkWidget *sep;

GtkAccelGroup *accel_group = NULL; //定义快捷键组

gtk_init(&argc, &argv);

window = gtk_window_new(GTK_WINDOW_TOPLEVEL);

gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);

gtk_window_set_default_size(GTK_WINDOW(window), 250, 200);

gtk_window_set_title(GTK_WINDOW(window), "menu better");

vbox = gtk_vbox_new(FALSE, 0);

gtk_container_add(GTK_CONTAINER(window), vbox);

menubar = gtk_menu_bar_new(); //菜单栏构件（menubar），实际上是一个menu shell

filemenu = gtk_menu_new(); //菜单构件(menu),也是一个menu shell

accel_group = gtk_accel_group_new();

gtk_window_add_accel_group(GTK_WINDOW(window), accel_group);

item_file = gtk_menu_item_new_with_mnemonic("_File"); //替代 gtk_menu_item_new_with_label("File");

item_new = gtk_image_menu_item_new_from_stock(GTK_STOCK_NEW, NULL); //替代gtk_menu_item_new_with_label("New");

item_open = gtk_image_menu_item_new_from_stock(GTK_STOCK_OPEN, NULL);//替代gtk_menu_item_new_with_label("Open");

sep = gtk_separator_menu_item_new(); //生成一条分割线

item_quit = gtk_image_menu_item_new_from_stock(GTK_STOCK_QUIT,accel_group);//替代gtk_menu_item_new_with_label("Quit");

gtk_widget_add_accelerator(item_quit, "activate", accel_group, GDK_q,GDK_CONTROL_MASK, GTK_ACCEL_VISIBLE);

gtk_menu_item_set_submenu(GTK_MENU_ITEM(item_file), filemenu);

gtk_menu_shell_append(GTK_MENU_SHELL(filemenu), item_new);

gtk_menu_shell_append(GTK_MENU_SHELL(filemenu), item_open);

gtk_menu_shell_append(GTK_MENU_SHELL(filemenu), sep); //加入分割线到file菜单中

gtk_menu_shell_append(GTK_MENU_SHELL(filemenu), item_quit); //把“quit”菜单选项被填加进file菜单中

gtk_menu_shell_append(GTK_MENU_SHELL(menubar), item_file); //把“file”菜单选项被填加进菜单中（menubar）

/*这里构建Edit菜单，同上面的file菜单添加方法一样*/

editmenu = gtk_menu_new(); //菜单构件(menu),也是一个menu shell

item_edit = gtk_menu_item_new_with_mnemonic("_Edit");

item_undo = gtk_image_menu_item_new_from_stock(GTK_STOCK_UNDO, NULL);

item_redo = gtk_image_menu_item_new_from_stock(GTK_STOCK_REDO, NULL);

sep = gtk_separator_menu_item_new();

item_cut = gtk_image_menu_item_new_from_stock(GTK_STOCK_CUT, NULL);

item_copy = gtk_image_menu_item_new_from_stock(GTK_STOCK_COPY, NULL);

item_paste = gtk_image_menu_item_new_from_stock(GTK_STOCK_PASTE, NULL);

gtk_widget_add_accelerator(item_undo, "activate", accel_group, GDK_z,GDK_CONTROL_MASK, GTK_ACCEL_VISIBLE);

gtk_widget_add_accelerator(item_redo, "activate", accel_group, GDK_r,GDK_CONTROL_MASK, GTK_ACCEL_VISIBLE);

gtk_widget_add_accelerator(item_cut, "activate", accel_group, GDK_x,GDK_CONTROL_MASK, GTK_ACCEL_VISIBLE);

gtk_widget_add_accelerator(item_copy, "activate", accel_group, GDK_c,GDK_CONTROL_MASK, GTK_ACCEL_VISIBLE);

gtk_widget_add_accelerator(item_paste, "activate", accel_group, GDK_v,GDK_CONTROL_MASK, GTK_ACCEL_VISIBLE);

gtk_menu_item_set_submenu(GTK_MENU_ITEM(item_edit), editmenu);

gtk_menu_shell_append(GTK_MENU_SHELL(editmenu), item_undo);

gtk_menu_shell_append(GTK_MENU_SHELL(editmenu), item_redo);

gtk_menu_shell_append(GTK_MENU_SHELL(editmenu), sep);

gtk_menu_shell_append(GTK_MENU_SHELL(editmenu), item_cut);

gtk_menu_shell_append(GTK_MENU_SHELL(editmenu), item_copy);

gtk_menu_shell_append(GTK_MENU_SHELL(editmenu), item_paste);

gtk_menu_shell_append(GTK_MENU_SHELL(menubar), item_edit); //把“edit”菜单选项被填加进菜单中（menubar）

/*这里把窗口分为了上中下3个区域，最上面是menubar*/

gtk_box_pack_start(GTK_BOX(vbox), menubar, FALSE, FALSE, 3);

g_signal_connect(G_OBJECT(item_quit),

"activate",G_CALLBACK(gtk_main_quit), NULL);

gtk_widget_show_all(window);

gtk_main();

return 0;

}