GTK Gossip: GtkMenuBar、GtkMenu 與 GtkMenuItem

#include <gtk/gtk.h>

void itemPressed(GtkMenuItem *menuItem, gpointer data) {

g_print("%s/n", data);

}

GtkWidget* createFileMenuItem() {

GtkWidget *rootFileItem;

GtkWidget *fileMenu;

GtkWidget *openMenuItem;

GtkWidget *saveMenuItem;

GtkWidget *closeMenuItem;

rootFileItem = gtk_menu_item_new_with_mnemonic("_File");

fileMenu = gtk_menu_new();

openMenuItem = gtk_menu_item_new_with_label("Open");

saveMenuItem = gtk_menu_item_new_with_label("Save");

closeMenuItem = gtk_menu_item_new_with_label("Close");

gtk_menu_shell_append(GTK_MENU_SHELL(fileMenu), openMenuItem);

gtk_menu_shell_append(GTK_MENU_SHELL(fileMenu), saveMenuItem);

gtk_menu_shell_append(GTK_MENU_SHELL(fileMenu),

gtk_separator_menu_item_new());

gtk_menu_shell_append(GTK_MENU_SHELL(fileMenu), closeMenuItem);

gtk_menu_item_set_submenu(GTK_MENU_ITEM(rootFileItem), fileMenu);

g_signal_connect(GTK_OBJECT(openMenuItem), "activate",

G_CALLBACK(itemPressed), "Open ....");

g_signal_connect(GTK_OBJECT(saveMenuItem), "activate",

G_CALLBACK(itemPressed), "Save ....");

g_signal_connect(GTK_OBJECT(closeMenuItem), "activate",

G_CALLBACK(gtk_main_quit), NULL);

return rootFileItem;

}

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

GtkWidget *window;

GtkWidget *vbox;

GtkWidget *menubar;

gtk_init(&argc, &argv);

window = gtk_window_new(GTK_WINDOW_TOPLEVEL);

gtk_window_set_title(GTK_WINDOW(window), "GtkMenuBar");

gtk_window_set_default_size(GTK_WINDOW(window), 300, 200);

menubar = gtk_menu_bar_new();

gtk_menu_bar_append(menubar, createFileMenuItem());

gtk_menu_bar_append(menubar, gtk_menu_item_new_with_mnemonic("_Edit"));

gtk_menu_bar_append(menubar, gtk_menu_item_new_with_mnemonic("_About"));

vbox = gtk_vbox_new(FALSE, 5);

gtk_box_pack_start(GTK_BOX(vbox), menubar, FALSE, FALSE, 2);

gtk_container_add(GTK_CONTAINER(window), vbox);

g_signal_connect(GTK_OBJECT(window), "destroy",

G_CALLBACK(gtk_main_quit), NULL);

gtk_widget_show_all(window);

gtk_main();

return 0;

}