GtkListStore selection example

#include <gtk/gtk.h>


#if GTK_MAJOR_VERSION == 2
static void on_up(GtkWidget *btn, gpointer user_data)
{
    GtkTreeSelection *sel = GTK_TREE_SELECTION(user_data);
    GtkTreeModel *model;
    GtkTreeIter current;
    GtkTreePath *path;

    gtk_tree_selection_get_selected(sel, &model, &current);
    path = gtk_tree_model_get_path(model, &current);
    gtk_tree_path_prev(path);
    gtk_tree_selection_select_path(sel, path);
    gtk_tree_path_free(path);
}

static void on_down(GtkWidget *btn, gpointer user_data)
{
    GtkTreeSelection *sel = GTK_TREE_SELECTION(user_data);
    GtkTreeModel *model;
    GtkTreeIter current;
    GtkTreePath *path;

    gtk_tree_selection_get_selected(sel, &model, &current);
    path = gtk_tree_model_get_path(model, &current);
    gtk_tree_path_next(path);
    gtk_tree_selection_select_path(sel, path);
    gtk_tree_path_free(path);
}

#elif GTK_MAJOR_VERSION == 3

static void on_up(GtkWidget *btn, gpointer user_data)
{
    GtkTreeSelection *sel = GTK_TREE_SELECTION(user_data);
    GtkTreeModel *model;
    GtkTreeIter current;

    gtk_tree_selection_get_selected(sel, &model, &current);
    if (gtk_tree_model_iter_previous(model, &current))
        gtk_tree_selection_select_iter(sel, &current);
}

static void on_down(GtkWidget *btn, gpointer user_data)
{
    GtkTreeSelection *sel = GTK_TREE_SELECTION(user_data);
    GtkTreeModel *model;
    GtkTreeIter current;

    gtk_tree_selection_get_selected(sel, &model, &current);
    if (gtk_tree_model_iter_next(model, &current))
        gtk_tree_selection_select_iter(sel, &current);
}

#endif


int main(int argc, char **argv)
{
    gtk_init(&argc, &argv);

    GtkListStore *store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_BOOLEAN);

    GtkTreeIter iter;
    gtk_list_store_append(store, &iter);
    gtk_list_store_set(store, &iter, 0, "One item", 1, FALSE, -1);

    gtk_list_store_append(store, &iter);
    gtk_list_store_set(store, &iter, 0, "Two items", 1, TRUE, -1);

    gtk_list_store_append(store, &iter);
    gtk_list_store_set(store, &iter, 0, "Last item", 1, FALSE, -1);

    GtkWidget *view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
    g_object_unref(G_OBJECT(store));

    GtkCellRenderer *render = gtk_cell_renderer_text_new();

    gtk_tree_view_insert_column_with_attributes
        (GTK_TREE_VIEW(view), -1, "String", render, "text", 0, NULL);
    gtk_tree_view_insert_column_with_attributes
        (GTK_TREE_VIEW(view), -1, "Bool", render, "text", 1, NULL);

#if GTK_MAJOR_VERSION == 2
    GtkWidget *vbox = gtk_vbox_new(FALSE, 4);
    GtkWidget *hbox = gtk_hbox_new(FALSE, 4);
#else
    GtkWidget *vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 4);
    GtkWidget *hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 4);
#endif

    GtkWidget *btn_up = gtk_button_new_with_label("Up");
    GtkWidget *btn_down = gtk_button_new_with_label("Down");
    gtk_box_pack_start(GTK_BOX(vbox), btn_up, FALSE, FALSE, 4);
    gtk_box_pack_start(GTK_BOX(vbox), btn_down, FALSE, FALSE, 4);

    GtkTreeSelection *selection =
        gtk_tree_view_get_selection(GTK_TREE_VIEW(view));

    g_signal_connect
        (G_OBJECT(btn_up), "clicked", G_CALLBACK(on_up), selection);

    g_signal_connect
        (G_OBJECT(btn_down), "clicked", G_CALLBACK(on_down), selection);

    gtk_box_pack_start(GTK_BOX(hbox), view, TRUE, TRUE, 4);
    gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 4);


    GtkWidget *window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    gtk_container_add(GTK_CONTAINER(window), hbox);
    gtk_widget_show_all(window);
    g_signal_connect(window, "delete-event", gtk_main_quit, NULL);

    gtk_main();

}