欢迎光临本站
登陆 注册

肿瘤

请输入关键字词

热门搜索排行

最新搜索排行

您现在的位置是：首页>健康新闻

健康新闻

哪里找黑客?找黑客接单网站真正的黑客联系方式

tangfengyu2023-01-30 20:13:32健康新闻171来源：抖时代

哪里找黑客?找黑客接单网站真正的黑客联系方式

#include <gtk/gtk.h>
 
enum
{
  LIST_ITEM = 0,
  LIST_AGE,
  N_COLUMNS
};
 
 
void init_list(GtkWidget *list)
{
  //要想让视图显示出数据，必须建立GtkCellRenderer与GtkTreeViewColumn
  GtkCellRenderer *renderer;
  GtkTreeViewColumn *column;
  GtkListStore *store;
   
  //建立一个GtkCellRenderer
  renderer = gtk_cell_renderer_text_new (); 
  //建立一个带标题的列 并且将renderer放入其中使其能显示内容
  column = gtk_tree_view_column_new_with_attributes("List Items", renderer, "text", LIST_ITEM, NULL); 
  //将列加入gtk_tree_view
  gtk_tree_view_append_column(GTK_TREE_VIEW(list), column);
   
   
  //建立一个GtkCellRenderer
  renderer = gtk_cell_renderer_text_new (); 
  //g_object_set (G_OBJECT (renderer), "xalign", 1.0, NULL);//居右
  //建立一个带标题的列 并且将renderer放入其中使其能显示内容
  column = gtk_tree_view_column_new_with_attributes("List age", renderer, "text", LIST_AGE, NULL); 
  //将列加入gtk_tree_view
  gtk_tree_view_append_column(GTK_TREE_VIEW(list), column);
   
   
 
  store = gtk_list_store_new(N_COLUMNS, G_TYPE_STRING,G_TYPE_INT);
   
   
  //关联视图与模型
  gtk_tree_view_set_model(GTK_TREE_VIEW(list), GTK_TREE_MODEL(store));
 
  //将数据模型交给视图管理，视图销毁时数据会被一同销毁
  g_object_unref(store);
}
 
void add_to_list(GtkWidget *list, const gchar *str ,gint age)
{
 
  GtkListStore *store;
  GtkTreeIter iter;
 
  store = GTK_LIST_STORE(gtk_tree_view_get_model
              (GTK_TREE_VIEW(list)));
 
  gtk_list_store_append(store, &iter);
  gtk_list_store_set(store, &iter, LIST_ITEM, str,LIST_AGE,age, -1);
}
 
 
 
void on_changed(GtkWidget *widget, gpointer label)
{
 
  GtkTreeIter iter;
  GtkTreeModel *model;
  gchar *value;
   
  //获得treeview中选中的一行的GtkTreeIter
  if (gtk_tree_selection_get_selected( GTK_TREE_SELECTION(widget), &model, &iter))
  {
 
    gtk_tree_model_get(model, &iter, LIST_ITEM, &value, -1);
    gtk_label_set_text(GTK_LABEL(label), value);
    g_free(value);
  }
}
 
int main(int argc, char *argv[])
{
 
  GtkWidget *window;
  GtkWidget *list;
 
  GtkWidget *vbox;
  GtkWidget *label;
  GtkTreeSelection *selection;
 
  gtk_init(&argc, &argv);
 
  window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
  list = gtk_tree_view_new();
 
  gtk_window_set_title(GTK_WINDOW(window), "List view");
  gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
  gtk_container_set_border_width(GTK_CONTAINER(window), 10);
  gtk_widget_set_size_request(window, 270, 250);
 
  //设置标题的可见性状态。
  gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(list), TRUE );
 
  vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);//gtk_vbox_new(FALSE, 0);
 
  gtk_box_pack_start(GTK_BOX(vbox), list, TRUE, TRUE, 5);
 
  label = gtk_label_new("");
  gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 5);
 
  gtk_container_add(GTK_CONTAINER(window), vbox);
 
  init_list(list);
  add_to_list(list, "Aliens"    ,10 );
  add_to_list(list, "Leon"     ,2 );
  add_to_list(list, "The Verdict" ,30 );
  add_to_list(list, "North Face"  ,4 );
  add_to_list(list, "Der Untergang",50 );
 
   
  selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(list));
 
  g_signal_connect(selection, "changed",
           G_CALLBACK(on_changed), label);
 
  g_signal_connect(G_OBJECT (window), "destroy",
           G_CALLBACK(gtk_main_quit), NULL);
 
  gtk_widget_show_all(window);
 
  gtk_main();
 
  return 0;


相关文章