treeview 实现类似qq列表

#include

enum {
    COLUMN = 0,
    NUM_COLS
};

void on_changed(GtkWidget * widget, gpointer statusbar)
{
    GtkTreeIter iter;
    GtkTreeModel *model;
    char *value;

    if (gtk_tree_selection_get_selected(GTK_TREE_SELECTION(widget), &model, &iter)) {

        gtk_tree_model_get(model, &iter, COLUMN, &value, -1);
        gtk_statusbar_push(GTK_STATUSBAR(statusbar), gtk_statusbar_get_context_id(GTK_STATUSBAR(statusbar), value), value);
        g_free(value);
    }
}

static GtkTreeModel *create_and_fill_model(void)
{
    GtkTreeStore *treestore;
    GtkTreeIter toplevel, child;

    treestore = gtk_tree_store_new(NUM_COLS, G_TYPE_STRING);

    gtk_tree_store_append(treestore, &toplevel, NULL);
    gtk_tree_store_set(treestore, &toplevel, COLUMN, "我的好友", -1);
    gtk_tree_store_append(treestore, &child, &toplevel);
    gtk_tree_store_set(treestore, &child, COLUMN, "Python", -1);
    gtk_tree_store_append(treestore, &child, &toplevel);
    gtk_tree_store_set(treestore, &child, COLUMN, "Perl", -1);
    gtk_tree_store_append(treestore, &child, &toplevel);
    gtk_tree_store_set(treestore, &child, COLUMN, "PHP", -1);

    gtk_tree_store_append(treestore, &toplevel, NULL);
    gtk_tree_store_set(treestore, &toplevel, COLUMN, "陌生人", -1);
    gtk_tree_store_append(treestore, &child, &toplevel);
    gtk_tree_store_set(treestore, &child, COLUMN, "C", -1);
    gtk_tree_store_append(treestore, &child, &toplevel);
    gtk_tree_store_set(treestore, &child, COLUMN, "C++", -1);
    gtk_tree_store_append(treestore, &child, &toplevel);
    gtk_tree_store_set(treestore, &child, COLUMN, "Java", -1);

    gtk_tree_store_append(treestore, &toplevel, NULL);
    gtk_tree_store_set(treestore, &toplevel, COLUMN, "黑名单", -1);
    gtk_tree_store_append(treestore, &child, &toplevel);
    gtk_tree_store_set(treestore, &child, COLUMN, "C", -1);

    return GTK_TREE_MODEL(treestore);
}

static GtkWidget *create_view_and_model(void)
{
    GtkTreeViewColumn *col;
    GtkCellRenderer *renderer;
    GtkWidget *view;
    GtkTreeModel *model;

    view = gtk_tree_view_new();

    col = gtk_tree_view_column_new();
    gtk_tree_view_column_set_title(col, "好友列表");
    gtk_tree_view_append_column(GTK_TREE_VIEW(view), col);

    renderer = gtk_cell_renderer_text_new();
    gtk_tree_view_column_pack_start(col, renderer, TRUE);
    gtk_tree_view_column_add_attribute(col, renderer, "text", COLUMN);

    model = create_and_fill_model();
    gtk_tree_view_set_model(GTK_TREE_VIEW(view), model);
    g_object_unref(model);

    return view;
}
/*========================================================*/
static void trayView(GtkMenuItem * item, gpointer window)
{
    gtk_widget_show(GTK_WIDGET(window));
    gtk_window_deiconify(GTK_WINDOW(window));
}

static void trayExit(GtkMenuItem * item, gpointer user_data)
{
    printf("exit");
    gtk_main_quit();
}

static void trayIconActivated(GObject * trayIcon, gpointer window)
{
    gtk_widget_show(GTK_WIDGET(window));
    gtk_window_deiconify(GTK_WINDOW(window));
}

static void trayIconPopup(GtkStatusIcon * status_icon, guint button, guint32 activate_time, gpointer popUpMenu)
{
    gtk_menu_popup(GTK_MENU(popUpMenu), NULL, NULL, gtk_status_icon_position_menu, status_icon, button, activate_time);
}


static gboolean delete_event(GtkWidget * window, GdkEvent * event, gpointer data)
{
    return FALSE;
}

static gboolean window_state_event(GtkWidget * widget, GdkEventWindowState * event, gpointer trayIcon)
{
    if (event->changed_mask == GDK_WINDOW_STATE_ICONIFIED && (event->new_window_state == GDK_WINDOW_STATE_ICONIFIED || event->new_window_state == (GDK_WINDOW_STATE_ICONIFIED | GDK_WINDOW_STATE_MAXIMIZED))) {
        gtk_widget_hide(GTK_WIDGET(widget));
        gtk_status_icon_set_visible(GTK_STATUS_ICON(trayIcon), TRUE);
    } else if (event->changed_mask == GDK_WINDOW_STATE_WITHDRAWN && (event->new_window_state == GDK_WINDOW_STATE_ICONIFIED || event->new_window_state == (GDK_WINDOW_STATE_ICONIFIED | GDK_WINDOW_STATE_MAXIMIZED))) {
        gtk_status_icon_set_visible(GTK_STATUS_ICON(trayIcon), FALSE);
    }
    return TRUE;
}

/*======================end==================================*/

int main(int argc, char **argv)
{
    GtkWidget *window;
    GtkWidget *view;
    GtkTreeSelection *selection;
    GtkWidget *vbox;
    GtkWidget *statusbar;

    gtk_init(&argc, &argv);

    window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
    gtk_window_set_title(GTK_WINDOW(window), "Tree View");
    gtk_widget_set_size_request(window, 200, 500);

    vbox = gtk_vbox_new(FALSE, 2);
    gtk_container_add(GTK_CONTAINER(window), vbox);

    view = create_view_and_model();
    selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(view));

    gtk_box_pack_start(GTK_BOX(vbox), view, TRUE, TRUE, 1);

    statusbar = gtk_statusbar_new();
    gtk_box_pack_start(GTK_BOX(vbox), statusbar, FALSE, TRUE, 1);

    g_signal_connect(selection, "changed", G_CALLBACK(on_changed), statusbar);

    g_signal_connect(G_OBJECT(window), "destroy", G_CALLBACK(gtk_main_quit), NULL);
    
        /*========================================================*/
    /* 加载托盘图标*/
    GtkStatusIcon *trayIcon = gtk_status_icon_new_from_file("./ico/qq1.ico");
    
    //为托盘图标设置弹出式菜单
    GtkWidget *menu, *menuItemView, *menuItemExit;
    menu = gtk_menu_new();
    menuItemView = gtk_menu_item_new_with_label("View");
    menuItemExit = gtk_menu_item_new_with_label("Exit");
    g_signal_connect(G_OBJECT(menuItemView), "activate", G_CALLBACK(trayView), window);
    g_signal_connect(G_OBJECT(menuItemExit), "activate", G_CALLBACK(trayExit), NULL);
    gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuItemView);
    gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuItemExit);
    gtk_widget_show_all(menu);
    
    // 设置工具提示
    gtk_status_icon_set_tooltip(trayIcon, "MsgWatcherGTK");
    
    //连接鼠标事件句柄connect handlers for mouse events
    g_signal_connect(GTK_STATUS_ICON(trayIcon), "activate", GTK_SIGNAL_FUNC(trayIconActivated), window);
    g_signal_connect(GTK_STATUS_ICON(trayIcon), "popup-menu", GTK_SIGNAL_FUNC(trayIconPopup), menu);
    gtk_status_icon_set_visible(trayIcon, FALSE);// 设置图标可视化
    
    //g_signal_connect(G_OBJECT(window), "destroy", G_CALLBACK(destroy), NULL);
    g_signal_connect(G_OBJECT(window), "delete_event", G_CALLBACK(delete_event), trayIcon);
    g_signal_connect(G_OBJECT(window), "window-state-event", G_CALLBACK(window_state_event), trayIcon);
    //gtk_container_add(GTK_CONTAINER(window), menuBar);
    //gtk_widget_show_all(window);
/*========================================================*/

    gtk_widget_show_all(window);

    gtk_main();

    return 0;
}