/* Menu * #Keywords: action, zoom * * Demonstrates how to add a context menu to a custom widget * and connect it with widget actions. * * The custom widget we create here is similar to a GtkPicture, * but allows setting a zoom level for the displayed paintable. * * Our context menu has items to change the zoom level. */ #include #include "demo3widget.h" GtkWidget * do_menu (GtkWidget *do_widget) { static GtkWidget *window = NULL; if (!window) { GtkWidget *sw; GtkWidget *widget; window = gtk_window_new (); gtk_window_set_title (GTK_WINDOW (window), "Menu"); gtk_window_set_default_size (GTK_WINDOW (window), 600, 400); gtk_window_set_display (GTK_WINDOW (window), gtk_widget_get_display (do_widget)); g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window); sw = gtk_scrolled_window_new (); gtk_window_set_child (GTK_WINDOW (window), sw); widget = demo3_widget_new ("/transparent/portland-rose.jpg"); gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), widget); } if (!gtk_widget_get_visible (window)) gtk_widget_show (window); else gtk_window_destroy (GTK_WINDOW (window)); return window; }