链表和树型存储结构
最后更新于：2022-04-01 20:22:19
### 树型和链表存储类型结构的不同，今天也是看例子学会了如何使用相关函数。先看下效果吧!
~~~
/*File:tree.c
*Auth:sjin
*Date:2014-03-23
*Mail:413977243@qq.com
*/
#include
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;
}
~~~
### 关于GTK学习的例子不是特别的多。这个函数更多相关的例子请给链接。非常感谢！
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