在GTK中设计简单的菜单栏

/*AUTOR:XIXI
  DATE:2020.4.1 23:37:16
*/

#include<gtk/gtk.h>

void delete_event(GtkWidget *widget,GdkEvent *event,gpointer data){
gtk_main_quit();

}


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

GtkWidget *window;
GtkWidget *vbox;
GtkWidget *rootmenu1;
GtkWidget *rootmenu2;
GtkWidget *rootmenu3;
GtkWidget *rootmenu4;
GtkWidget *menubar;
GtkAccelGroup *accel_group;
GtkWidget *arrivemenu;
GtkWidget *leavemenu;
GtkWidget *showmenu;
GtkWidget *mapmenu;
GtkWidget *menuitem;
char* title="汽车站出租车拉客系统";

gtk_init(&argc,&argv);

window=gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_title(GTK_WINDOW(window),title);
gtk_widget_set_size_request(window,500,450);
gtk_container_set_border_width(GTK_CONTAINER(window),10);
g_signal_connect(G_OBJECT(window),"delete_event",G_CALLBACK(gtk_main_quit),NULL);

arrivemenu=gtk_menu_new();
menuitem=gtk_menu_item_new_with_label("车牌号");
gtk_menu_shell_append(GTK_MENU_SHELL(arrivemenu),menuitem);
gtk_widget_show(menuitem);

menuitem=gtk_menu_item_new_with_label("到达时间");
gtk_menu_shell_append(GTK_MENU_SHELL(arrivemenu),menuitem);
gtk_widget_show(menuitem);

menuitem=gtk_menu_item_new_with_label("停放位置");
gtk_menu_shell_append(GTK_MENU_SHELL(arrivemenu),menuitem);
gtk_widget_show(menuitem);

rootmenu1=gtk_menu_item_new_with_label("车辆到达");
gtk_menu_item_set_submenu(GTK_MENU_ITEM(rootmenu1),arrivemenu);
menubar=gtk_menu_bar_new();
gtk_menu_shell_append(GTK_MENU_SHELL(menubar),rootmenu1);
gtk_widget_show(rootmenu1);

leavemenu=gtk_menu_new();
menuitem=gtk_menu_item_new_with_label("车牌号");
gtk_menu_shell_append(GTK_MENU_SHELL(leavemenu),menuitem);
gtk_widget_show(menuitem);

menuitem=gtk_menu_item_new_with_label("离开时间");
gtk_menu_shell_append(GTK_MENU_SHELL(leavemenu),menuitem);
gtk_widget_show(menuitem);
 
menuitem=gtk_menu_item_new_with_label("应付费用");
gtk_menu_shell_append(GTK_MENU_SHELL(leavemenu),menuitem);
gtk_widget_show(menuitem);

rootmenu2=gtk_menu_item_new_with_label("车辆离开");
gtk_menu_item_set_submenu(GTK_MENU_ITEM(rootmenu2),leavemenu);
gtk_menu_shell_append(GTK_MENU_SHELL(menubar),rootmenu2);
gtk_widget_show(rootmenu2);

showmenu=gtk_menu_new();
menuitem=gtk_menu_item_new_with_label("显示...");
gtk_menu_shell_append(GTK_MENU_SHELL(showmenu),menuitem);
gtk_widget_show(menuitem);

rootmenu3=gtk_menu_item_new_with_label("车场情况");
gtk_menu_item_set_submenu(GTK_MENU_ITEM(rootmenu3),showmenu);
gtk_menu_shell_append(GTK_MENU_SHELL(menubar),rootmenu3);
gtk_widget_show(rootmenu3);

mapmenu=gtk_menu_new();
menuitem=gtk_menu_item_new_with_label("九江地点查询");
gtk_menu_shell_append(GTK_MENU_SHELL(mapmenu),menuitem);
gtk_widget_show(menuitem);
 
menuitem=gtk_menu_item_new_with_label("最短路径导航");
gtk_menu_shell_append(GTK_MENU_SHELL(mapmenu),menuitem);
gtk_widget_show(menuitem);

menuitem=gtk_menu_item_new_with_label("查看地点信息");
gtk_menu_shell_append(GTK_MENU_SHELL(mapmenu),menuitem);
gtk_widget_show(menuitem);

menuitem=gtk_menu_item_new_with_label("查看推荐路径");
gtk_menu_shell_append(GTK_MENU_SHELL(mapmenu),menuitem);
gtk_widget_show(menuitem);

accel_group=gtk_accel_group_new();//组合器将子菜单优化
gtk_window_add_accel_group(GTK_WINDOW(window),accel_group);
menuitem=gtk_image_menu_item_new_from_stock(GTK_STOCK_NEW,accel_group);
gtk_menu_shell_append(GTK_MENU_SHELL(mapmenu),menuitem);
gtk_widget_show(menuitem);

rootmenu4=gtk_menu_item_new_with_label("导航功能");
gtk_menu_item_set_submenu(GTK_MENU_ITEM(rootmenu4),mapmenu);
gtk_menu_shell_append(GTK_MENU_SHELL(menubar),rootmenu4);
gtk_widget_show(rootmenu4);

gtk_widget_show(menubar);

vbox=gtk_vbox_new(FALSE,0);
gtk_box_pack_start(GTK_BOX(vbox),menubar,FALSE,FALSE,0);
gtk_widget_show(vbox);
gtk_container_add(GTK_CONTAINER(window),vbox);

gtk_widget_show_all(window);

gtk_main();

return 0;


}