用GtkTreeView实现ListBox示例

时间：2009-08-19 来源：lixianjing

转载时请注明出处和作者联系方式
文章出处：http://www.limodev.cn/blog
作者联系方式：李先静 <xianjimli at hotmail dot com>

前段时间花了不少时间去研究GTK+的架构，但没有怎么关注具体控件的使用。大部控件都有示例代码，相信使用不会很难。今天要测试一下用 GtkTreeView实现ListBox，发现没有GtkTreeView的示例代码，GTK+的tutorial里也没有讲解。只好自己折腾，结果花了两个小时才搞定，写段代码做个备忘吧。

GtkWidget* create_window1 (void)
{
 
 GtkWidget *window1;
 GtkWidget *scrolledwindow1;
 GtkWidget *treeview1;
 GtkTreeViewColumn* column;
 GtkTreeIter iter;
 GtkListStore* store;
 GtkCellRenderer* cell;
 
 char text[32] = {0};
 int i = 0 ;
 int n = 100;
 
 window1 = gtk_window_new (GTK_WINDOW_TOPLEVEL);
 gtk_window_set_title (GTK_WINDOW (window1), _("window1"));
 
 scrolledwindow1 = gtk_scrolled_window_new (NULL, NULL);
 gtk_widget_show (scrolledwindow1);
 gtk_container_add (GTK_CONTAINER (window1), scrolledwindow1);
 gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolledwindow1), GTK_SHADOW_IN);
 
 treeview1 = gtk_tree_view_new ();
 column = gtk_tree_view_column_new();
 gtk_tree_view_append_column(GTK_TREE_VIEW(treeview1), column);
 
 cell = gtk_cell_renderer_text_new();
 gtk_tree_view_column_pack_start(column, cell, TRUE);
 gtk_tree_view_column_set_attributes(column, cell, "text", 0, NULL);
 
 column = gtk_tree_view_column_new();
 gtk_tree_view_append_column(GTK_TREE_VIEW(treeview1), column);
 
 store = gtk_list_store_new(1, G_TYPE_STRING);
 gtk_tree_view_set_model(treeview1, GTK_TREE_MODEL(store));
 
 
 for(i = 0; i < n; i ++)
 {
 sprintf(text, "text%d", i);
 gtk_list_store_append(store, &iter);
 gtk_list_store_set(store, &iter, 0, text, -1);
 }
 
 gtk_widget_show (treeview1);
 gtk_container_add (GTK_CONTAINER (scrolledwindow1), treeview1);
 
 /* Store pointers to all widgets, for use by lookup_widget(). */
 
 GLADE_HOOKUP_OBJECT_NO_REF (window1, window1, "window1");
 GLADE_HOOKUP_OBJECT (window1, scrolledwindow1, "scrolledwindow1");
 GLADE_HOOKUP_OBJECT (window1, treeview1, "treeview1");
 
 return window1;
}

得到选中项的内容：

void
on_button1_clicked (gpointer user_data, GtkButton *button)
{
 
 GValue value = {0};
 GtkTreeIter iter = {0};
 GtkTreeStore* store = NULL;
 GtkTreeSelection* selection = NULL;
 GtkTreeView* treeview = NULL;
 
 treeview = (GtkTreeView*)lookup_widget(GTK_WIDGET(user_data), "treeview1");
 selection = gtk_tree_view_get_selection(treeview);
 gtk_tree_selection_get_selected(selection, (GtkTreeModel**)&store, &iter);
 gtk_tree_model_get_value(GTK_TREE_MODEL(store), &iter, 0, &value);
 
 g_debug("%s\n", g_value_get_string(&value));
 
 return ;
}