/* * Auth: Eric Harlow * File: Notebook.c *  * Create a sample notebook application */#include <gtk/gtk.h>void delete_event (GtkWidget *widget, gpointer data){    gtk_main_quit ();}/* * PageSwitch * * Event that occurs when a different page is now * the focus. */static void PageSwitch (GtkWidget *widget,                          GtkNotebookPage *page,                          gint page_num){    printf ("page switch\n");}/* * AddPage * * Add a page to the notebook  * * notebook - existing notebook * szName - name to give to the new page */GtkWidget *AddPage (GtkWidget *notebook, char *szName){    GtkWidget *label;    GtkWidget *frame;    /* --- Create a label from the name. --- */    label = gtk_label_new (szName);    gtk_widget_show (label);    /* --- Create a frame for the page --- */    frame = gtk_frame_new (szName);    gtk_widget_show (frame);    /* --- Add a page with the frame and label --- */    gtk_notebook_append_page (GTK_NOTEBOOK (notebook), frame, label);    return (frame);}/* * CreateNotebook * * Create a new notebook and add pages to it. * * window - window to create the notebook in. */static void CreateNotebook (GtkWidget *window,                             GtkPositionType pos){    GtkWidget *widget;    GtkWidget *box1;    GtkWidget *notebook;    /* --- Let us know when getting destroyed. --- */    gtk_signal_connect (GTK_OBJECT (window), "destroy",			  GTK_SIGNAL_FUNC(gtk_widget_destroyed),			  &window);    /* --- Set border width --- */    gtk_container_border_width (GTK_CONTAINER (window), 0);    box1 = gtk_vbox_new (FALSE, 0);    gtk_container_add (GTK_CONTAINER (window), box1);    /* --- Create the notebook --- */    notebook = gtk_notebook_new ();    /* --- Listen for the switch page event --- */    gtk_signal_connect (GTK_OBJECT (notebook), "switch_page",			  GTK_SIGNAL_FUNC (PageSwitch), NULL);    /* --- Make sure tabs are set on correct side --- */    gtk_notebook_set_tab_pos (GTK_NOTEBOOK (notebook), pos);    /* --- Add notebook to vbox --- */    gtk_box_pack_start (GTK_BOX (box1), notebook, TRUE, TRUE, 0);    /* --- Give notebook a border --- */    gtk_container_border_width (GTK_CONTAINER (notebook), 10);       /* --- Add pages to the notebook --- */    widget = AddPage (notebook, "Groups");    widget = AddPage (notebook, "Users");    widget = AddPage (notebook, "Todo");          /* --- Show everything. --- */    gtk_widget_show_all (window);}/* * CreateNotebookWindow * * Create a window to display the notebook. */void CreateNotebookWindow (char *szTitle, GtkPositionType pos){    GtkWidget *window;    /* --- Create the top window --- */    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);    /* --- Give the window a title. --- */    gtk_window_set_title (GTK_WINDOW (window), szTitle);    /* --- Set the window size. --- */    gtk_widget_set_usize (window, 250, 250);    /* --- You should always remember to connect the destroy event     *     to the main window.     */    gtk_signal_connect (GTK_OBJECT (window), "delete_event",                        GTK_SIGNAL_FUNC (delete_event), NULL);    /* --- Make main page visible --- */    gtk_widget_show (window);    /* --- Create notebook --- */    CreateNotebook (window, pos);}/* * main * * Program begins here */int main (int argc, char *argv[]){    /* --- GTK initialization --- */    gtk_init (&argc, &argv);    CreateNotebookWindow ("Tabs on top", GTK_POS_TOP);    CreateNotebookWindow ("Tabs on left", GTK_POS_LEFT);    CreateNotebookWindow ("Tabs on bottom", GTK_POS_BOTTOM);    CreateNotebookWindow ("Tabs on right", GTK_POS_RIGHT);    gtk_main ();    exit (0);}