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1204a850f3
While we normally try to avoid whitespace fixes, the gtk-demo code is shown as exemplary, so it should be in good shape, formatting-wise.
236 lines
8.9 KiB
C
236 lines
8.9 KiB
C
/* UI Manager
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*
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* The GtkUIManager object allows the easy creation of menus
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* from an array of actions and a description of the menu hierarchy.
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*/
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#include <gtk/gtk.h>
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static void
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activate_action (GtkAction *action)
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{
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g_message ("Action \"%s\" activated", gtk_action_get_name (action));
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}
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static void
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activate_radio_action (GtkAction *action, GtkRadioAction *current)
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{
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g_message ("Radio action \"%s\" selected",
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gtk_action_get_name (GTK_ACTION (current)));
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}
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static GtkActionEntry entries[] = {
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{ "FileMenu", NULL, "_File" }, /* name, stock id, label */
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{ "PreferencesMenu", NULL, "_Preferences" }, /* name, stock id, label */
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{ "ColorMenu", NULL, "_Color" }, /* name, stock id, label */
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{ "ShapeMenu", NULL, "_Shape" }, /* name, stock id, label */
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{ "HelpMenu", NULL, "_Help" }, /* name, stock id, label */
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{ "New", GTK_STOCK_NEW, /* name, stock id */
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"_New", "<control>N", /* label, accelerator */
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"Create a new file", /* tooltip */
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G_CALLBACK (activate_action) },
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{ "Open", GTK_STOCK_OPEN, /* name, stock id */
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"_Open","<control>O", /* label, accelerator */
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"Open a file", /* tooltip */
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G_CALLBACK (activate_action) },
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{ "Save", GTK_STOCK_SAVE, /* name, stock id */
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"_Save","<control>S", /* label, accelerator */
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"Save current file", /* tooltip */
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G_CALLBACK (activate_action) },
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{ "SaveAs", GTK_STOCK_SAVE, /* name, stock id */
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"Save _As...", NULL, /* label, accelerator */
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"Save to a file", /* tooltip */
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G_CALLBACK (activate_action) },
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{ "Quit", GTK_STOCK_QUIT, /* name, stock id */
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"_Quit", "<control>Q", /* label, accelerator */
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"Quit", /* tooltip */
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G_CALLBACK (activate_action) },
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{ "About", NULL, /* name, stock id */
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"_About", "<control>A", /* label, accelerator */
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"About", /* tooltip */
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G_CALLBACK (activate_action) },
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{ "Logo", "demo-gtk-logo", /* name, stock id */
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NULL, NULL, /* label, accelerator */
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"GTK+", /* tooltip */
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G_CALLBACK (activate_action) },
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};
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static guint n_entries = G_N_ELEMENTS (entries);
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static GtkToggleActionEntry toggle_entries[] = {
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{ "Bold", GTK_STOCK_BOLD, /* name, stock id */
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"_Bold", "<control>B", /* label, accelerator */
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"Bold", /* tooltip */
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G_CALLBACK (activate_action),
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TRUE }, /* is_active */
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};
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static guint n_toggle_entries = G_N_ELEMENTS (toggle_entries);
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enum {
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COLOR_RED,
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COLOR_GREEN,
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COLOR_BLUE
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};
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static GtkRadioActionEntry color_entries[] = {
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{ "Red", NULL, /* name, stock id */
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"_Red", "<control>R", /* label, accelerator */
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"Blood", COLOR_RED }, /* tooltip, value */
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{ "Green", NULL, /* name, stock id */
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"_Green", "<control>G", /* label, accelerator */
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"Grass", COLOR_GREEN }, /* tooltip, value */
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{ "Blue", NULL, /* name, stock id */
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"_Blue", "<control>B", /* label, accelerator */
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"Sky", COLOR_BLUE }, /* tooltip, value */
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};
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static guint n_color_entries = G_N_ELEMENTS (color_entries);
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enum {
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SHAPE_SQUARE,
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SHAPE_RECTANGLE,
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SHAPE_OVAL
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};
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static GtkRadioActionEntry shape_entries[] = {
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{ "Square", NULL, /* name, stock id */
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"_Square", "<control>S", /* label, accelerator */
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"Square", SHAPE_SQUARE }, /* tooltip, value */
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{ "Rectangle", NULL, /* name, stock id */
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"_Rectangle", "<control>R", /* label, accelerator */
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"Rectangle", SHAPE_RECTANGLE }, /* tooltip, value */
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{ "Oval", NULL, /* name, stock id */
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"_Oval", "<control>O", /* label, accelerator */
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"Egg", SHAPE_OVAL }, /* tooltip, value */
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};
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static guint n_shape_entries = G_N_ELEMENTS (shape_entries);
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static const gchar *ui_info =
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"<ui>"
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" <menubar name='MenuBar'>"
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" <menu action='FileMenu'>"
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" <menuitem action='New'/>"
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" <menuitem action='Open'/>"
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" <menuitem action='Save'/>"
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" <menuitem action='SaveAs'/>"
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" <separator/>"
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" <menuitem action='Quit'/>"
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" </menu>"
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" <menu action='PreferencesMenu'>"
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" <menu action='ColorMenu'>"
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" <menuitem action='Red'/>"
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" <menuitem action='Green'/>"
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" <menuitem action='Blue'/>"
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" </menu>"
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" <menu action='ShapeMenu'>"
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" <menuitem action='Square'/>"
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" <menuitem action='Rectangle'/>"
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" <menuitem action='Oval'/>"
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" </menu>"
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" <menuitem action='Bold'/>"
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" </menu>"
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" <menu action='HelpMenu'>"
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" <menuitem action='About'/>"
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" </menu>"
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" </menubar>"
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" <toolbar name='ToolBar'>"
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" <toolitem action='Open'/>"
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" <toolitem action='Quit'/>"
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" <separator action='Sep1'/>"
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" <toolitem action='Logo'/>"
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" </toolbar>"
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"</ui>";
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GtkWidget *
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do_ui_manager (GtkWidget *do_widget)
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{
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static GtkWidget *window = NULL;
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if (!window)
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{
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GtkWidget *box1;
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GtkWidget *box2;
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GtkWidget *separator;
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GtkWidget *label;
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GtkWidget *button;
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GtkUIManager *ui;
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GtkActionGroup *actions;
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GError *error = NULL;
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_window_set_screen (GTK_WINDOW (window),
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gtk_widget_get_screen (do_widget));
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g_signal_connect (window, "destroy",
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G_CALLBACK (gtk_widget_destroyed), &window);
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g_signal_connect (window, "delete-event",
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G_CALLBACK (gtk_true), NULL);
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actions = gtk_action_group_new ("Actions");
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gtk_action_group_add_actions (actions, entries, n_entries, NULL);
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gtk_action_group_add_toggle_actions (actions,
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toggle_entries, n_toggle_entries,
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NULL);
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gtk_action_group_add_radio_actions (actions,
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color_entries, n_color_entries,
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COLOR_RED,
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G_CALLBACK (activate_radio_action),
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NULL);
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gtk_action_group_add_radio_actions (actions,
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shape_entries, n_shape_entries,
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SHAPE_OVAL,
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G_CALLBACK (activate_radio_action),
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NULL);
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ui = gtk_ui_manager_new ();
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gtk_ui_manager_insert_action_group (ui, actions, 0);
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g_object_unref (actions);
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gtk_window_add_accel_group (GTK_WINDOW (window),
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gtk_ui_manager_get_accel_group (ui));
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gtk_window_set_title (GTK_WINDOW (window), "UI Manager");
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gtk_container_set_border_width (GTK_CONTAINER (window), 0);
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if (!gtk_ui_manager_add_ui_from_string (ui, ui_info, -1, &error))
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{
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g_message ("building menus failed: %s", error->message);
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g_error_free (error);
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}
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box1 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
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gtk_container_add (GTK_CONTAINER (window), box1);
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gtk_box_pack_start (GTK_BOX (box1),
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gtk_ui_manager_get_widget (ui, "/MenuBar"),
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FALSE, FALSE, 0);
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label = gtk_label_new ("Type\n<alt>\nto start");
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gtk_widget_set_size_request (label, 200, 200);
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gtk_widget_set_halign (label, GTK_ALIGN_CENTER);
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gtk_widget_set_valign (label, GTK_ALIGN_CENTER);
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gtk_box_pack_start (GTK_BOX (box1), label, TRUE, TRUE, 0);
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separator = gtk_separator_new (GTK_ORIENTATION_HORIZONTAL);
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gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);
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box2 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 10);
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gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
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gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);
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button = gtk_button_new_with_label ("close");
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g_signal_connect_swapped (button, "clicked",
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G_CALLBACK (gtk_widget_destroy), window);
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gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
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gtk_widget_set_can_default (button, TRUE);
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gtk_widget_grab_default (button);
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gtk_widget_show_all (window);
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g_object_unref (ui);
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}
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else
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{
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gtk_widget_destroy (window);
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window = NULL;
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}
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return window;
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}
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