Gtktreeview链表和树型存储结构

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/*File:tree.c  
 *Auth:sjin 
 *Date:2014-03-23 
 *Mail:413977243@qq.com 
 */  
#include <gtk/gtk.h>  
  
enum{  
    ID_COLUMN,  
    TOGGLE_COLUMN,  
    TEXT_COLUMN,  
    N_COLUMN  
};  
  
typedef struct _listitem ListItem;  
  
struct _listitem{  
    gint id;  
    gboolean toggle;  
    const gchar *text;  
};  
  
ListItem t[5] = {  
    {1,TRUE,"小明"},  
    {2,FALSE,"大宝"},  
    {3,TRUE,"测试用名称"},  
    {4,FALSE,"显示的文本"},  
    {5,TRUE,"是可编辑的"}  
};  
  
GtkListStore * create_list_model(void)  
{  
    GtkListStore *list_store;  
    GtkTreeIter iter;  
    gint i;  
     
    /*创建一个存储，行数和对应的数据类型列表*/  
    list_store = gtk_list_store_new(N_COLUMN,G_TYPE_INT,G_TYPE_BOOLEAN,G_TYPE_STRING);  
    for(i = 0;i < 5;i++){  
        /*向LIST_trore添加一个新行 
         * iter将指向这个新行，这个函数调用后事空的 
         * 需要gtk_list_store_set()函数来填写数值 
         * */  
        gtk_list_store_append(list_store,&iter);  
        gtk_list_store_set(list_store,&iter,ID_COLUMN,t[i].id,  
                           TOGGLE_COLUMN,t[i].toggle,  
                           TEXT_COLUMN,t[i].text,  
                           -1);  
    }  
  
    return list_store;  
}  
  
GtkWidget* create_list(GtkListStore* list_store)  
{  
    GtkWidget* view;  
    GtkTreeModel* model;  
    GtkCellRenderer* renderer;  
    GtkTreeViewColumn* column;  
  
    model = GTK_TREE_MODEL(list_store);  
    /*创建一个模型初始化model的控件*/  
    view  = gtk_tree_view_new_with_model(model);  
      
    /*创建一个文本单元绘制器*/  
    renderer = gtk_cell_renderer_text_new();  
    /*创建一个视图列表*/  
    column = gtk_tree_view_column_new_with_attributes("数字",renderer,"text",ID_COLUMN,NULL);  
    /*附加一列列表*/  
    gtk_tree_view_append_column(GTK_TREE_VIEW(view),column);  
  
    /*创建一个开关单元绘制器*/  
    renderer = gtk_cell_renderer_toggle_new();  
    /*设置控件属性*/  
    g_object_set(G_OBJECT(renderer),"activatable",TRUE,NULL);  
    /*设置开关单元绘制器为：当为TURE时为单元按钮，为FAULE时为多选按钮*/  
    gtk_cell_renderer_toggle_set_radio(GTK_CELL_RENDERER_TOGGLE(renderer),TRUE);  
    /**/  
    column = gtk_tree_view_column_new_with_attributes("按钮",renderer,"active",TOGGLE_COLUMN,NULL);  
    gtk_tree_view_append_column(GTK_TREE_VIEW(view),column);  
      
    renderer = gtk_cell_renderer_text_new();  
    g_object_set(G_OBJECT(renderer),"editable",TRUE,NULL);  
    column = gtk_tree_view_column_new_with_attributes("文本",renderer,"text",TEXT_COLUMN,NULL);  
    gtk_tree_view_append_column(GTK_TREE_VIEW(view),column);  
    return view;  
}  
  
void show_list(void)  
{  
    GtkWidget* window;  
    GtkWidget* frame;  
    GtkWidget* view;  
    GtkListStore* model;  
      
    window = gtk_window_new(GTK_WINDOW_TOPLEVEL);  
    g_signal_connect(G_OBJECT(window),"destroy",G_CALLBACK(gtk_main_quit),window);  
    gtk_window_set_title(GTK_WINDOW(window),"TREEVIEW --使用 LISTSTORE");  
    gtk_window_set_position(GTK_WINDOW(window),GTK_WIN_POS_CENTER);  
    gtk_container_set_border_width(GTK_CONTAINER(window),10);  
      
    frame = gtk_frame_new("可编辑的列表");  
    gtk_frame_set_label_align(GTK_FRAME(frame),1.0,0);  
    gtk_container_add(GTK_CONTAINER(window),frame);  
      
    /*创建一个存储列表*/  
    model = create_list_model();  
    /*创建单元格列表*/  
    view = create_list(model);  
      
    gtk_container_add(GTK_CONTAINER(frame),view);  
      
    gtk_widget_show_all(window);  
}  
  
enum {  
    XCLASS_COLUMN,  
    LEADER_COLUMN,  
    STUDENTS_COLUMN,  
    GIRLS_COLUMN  
};  
typedef struct _treeitem TreeItem;  
struct _treeitem{  
    const char* xclass;  
    const char* leader;  
    gint students;  
    gint girls;  
};  
  
TreeItem ti[3] = {  
    {"一年级一班","李晓",40,20},  
    {"一年级二班","张红",44,18},  
    {"一年级三班","刘丽",42,20}  
};  
TreeItem tj[3] = {  
    {"二年级一班","王可",34,16},  
    {"二年级二班","赵倩",34,18},  
    {"二年级三班","犹可",38,20}  
};  
  
GtkTreeStore* create_tree_model(void)  
{  
    GtkTreeStore* treestore;  
    GtkTreeIter iter,parent;  
    gint i;  
  
    /*创建树型存储结构，每行都有一种存储类型*/  
    treestore = gtk_tree_store_new(4,G_TYPE_STRING,G_TYPE_STRING,G_TYPE_INT,G_TYPE_INT);  
    /*向树型存储结构添加新行 
     *iter 指向新行的空间 
     * */  
    gtk_tree_store_append(treestore,&iter,NULL);  
    gtk_tree_store_set(treestore,&iter,0,"一年级",-1);  
  
    gtk_tree_store_append(treestore,&iter,NULL);  
    gtk_tree_store_set(treestore,&iter,0,"二年级",-1);  
  
    /*gboolean gtk_tree_model_get_iter_from_string(GtkTreeModel *treestore, 
     *                                              GtkTreeIter *iter, 
     *                                              const gchar *path_string); 
     *  参数：treestore ：存储树形列表 
     *        iter :    指向存储结构 
     *        path_string : 路径 
     *  返回值：TRUE : iter 不为空 
     *          FAule：     为空 
     * 
     */  
  
    if(gtk_tree_model_get_iter_from_string(GTK_TREE_MODEL(treestore),&parent,"0")){  
        for(i = 0; i < 3; i++){  
            gtk_tree_store_append(treestore,&iter,&parent);  
            gtk_tree_store_set(treestore,&iter,  
                               XCLASS_COLUMN,ti[i].xclass,  
                               LEADER_COLUMN,ti[i].leader,  
                               STUDENTS_COLUMN,ti[i].students,  
                               GIRLS_COLUMN,ti[i].girls,  
                               -1);  
        }  
    }  
  
    if(gtk_tree_model_get_iter_from_string(GTK_TREE_MODEL(treestore),&parent,"1")){  
        for(i = 0; i < 3; i++)  
        {  
            gtk_tree_store_append(treestore,&iter,&parent);  
            gtk_tree_store_set(treestore,&iter,  
                               XCLASS_COLUMN,tj[i].xclass,  
                               LEADER_COLUMN,tj[i].leader,  
                               STUDENTS_COLUMN,tj[i].students,  
                               GIRLS_COLUMN,tj[i].girls,  
                               -1);  
        }  
    }  
  
    return treestore;  
}     
  
GtkWidget* create_tree(GtkTreeStore* treestore)  
{  
    GtkWidget* view;  
    GtkCellRenderer* renderer;  
    GtkTreeViewColumn* column;  
      
    /*创建树型显示模型*/  
    view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(treestore));  
  
    renderer = gtk_cell_renderer_text_new();  
    column = gtk_tree_view_column_new_with_attributes("班级名",renderer,"text",XCLASS_COLUMN,NULL);  
    gtk_tree_view_append_column(GTK_TREE_VIEW(view),column);  
      
    renderer = gtk_cell_renderer_text_new();  
    column = gtk_tree_view_column_new_with_attributes("班主任",renderer,"text",LEADER_COLUMN,NULL);  
    gtk_tree_view_append_column(GTK_TREE_VIEW(view),column);  
      
    renderer = gtk_cell_renderer_text_new();  
    column = gtk_tree_view_column_new_with_attributes("学生总数",renderer,"text",STUDENTS_COLUMN,NULL);  
    gtk_tree_view_append_column(GTK_TREE_VIEW(view),column);  
      
    renderer = gtk_cell_renderer_text_new();  
    column = gtk_tree_view_column_new_with_attributes("女生总数",renderer,"text",GIRLS_COLUMN,NULL);  
    gtk_tree_view_append_column(GTK_TREE_VIEW(view),column);          
    return view;  
}  
  
void show_tree(void)  
{  
    GtkWidget* window;  
    GtkWidget* frame;  
    GtkWidget* view;  
    GtkTreeStore* model;  
      
    window = gtk_window_new(GTK_WINDOW_TOPLEVEL);  
    g_signal_connect(G_OBJECT(window),"destroy",G_CALLBACK(gtk_widget_destroy),window);  
    gtk_window_set_title(GTK_WINDOW(window),"TREEVIEW----使用TreeStore");  
    gtk_window_set_position(GTK_WINDOW(window),GTK_WIN_POS_CENTER);  
    gtk_container_set_border_width(GTK_CONTAINER(window),10);  
      
    frame = gtk_frame_new("树型列表");  
    gtk_container_add(GTK_CONTAINER(window),frame);  
      
    model = create_tree_model();  
      
    view = create_tree(model);  
      
    gtk_container_add(GTK_CONTAINER(frame),view);  
      
    gtk_widget_show_all(window);  
}  
  
int main(int argc,char* argv[])  
{  
    GtkWidget* window;  
    GtkWidget* vbox;  
    GtkWidget* button;  
  
    /*初始化*/  
    gtk_init(&argc,&argv);  
  
    window = gtk_window_new(GTK_WINDOW_TOPLEVEL);  
    gtk_window_set_title(GTK_WINDOW(window),"TREE_VIEW控件");  
    g_signal_connect(G_OBJECT(window),"delete_event",G_CALLBACK(gtk_main_quit),NULL);  
      
    vbox = gtk_vbox_new(FALSE,0);  
    gtk_container_add(GTK_CONTAINER(window),vbox);  
  
    button = gtk_button_new_with_label("创建列表显示");  
    gtk_box_pack_start(GTK_BOX(vbox),button,FALSE,FALSE,5);  
    g_signal_connect(G_OBJECT(button),"clicked",G_CALLBACK(show_list),NULL);  
      
    button = gtk_button_new_with_label("创建树型显示");  
    gtk_box_pack_start(GTK_BOX(vbox),button,FALSE,FALSE,5);  
    g_signal_connect(G_OBJECT(button),"clicked",G_CALLBACK(show_tree),NULL);  
      
    gtk_widget_show_all(window);  
      
    gtk_main();  
      
    return FALSE;  
}  
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