WIP: Now : how to display in our window (/panel) what was stored in these models ?

src/ui/tree.c

@@ -29,7 +29,8 @@
 #include "../../include/ui.h"
 
 GtkListStore *list_store;
-GtkTreeIter   iter;
+GtkTreeStore *tree_store;
+GtkTreeIter   iter, child;
 
   /***********************************************************
   *                                                          *
@@ -40,7 +41,6 @@ GtkTreeIter   iter;
   void
   traverse_list_store (GtkListStore *liststore)
   {
-    GtkTreeIter  iter;
     gboolean     valid;
 
     g_return_if_fail ( liststore != NULL );
@@ -74,7 +74,6 @@ void
 onTreeViewRowActivated (GtkTreeView *view, GtkTreePath *path,
                         GtkTreeViewColumn *col, gpointer userdata)
 {
-  GtkTreeIter   iter;
   GtkTreeModel *model;
 
   model = gtk_tree_view_get_model(view);
@@ -101,12 +100,176 @@ tree_c_printing_test(void)
     gtk_list_store_append(list_store, &iter);
     gtk_list_store_append(list_store, &iter);
 
+    tree_store = gtk_tree_store_new(1, G_TYPE_STRING);
+
+    /* Append an empty top-level row to the tree store.
+    *  Iter will point to the new row */
+    gtk_tree_store_append(tree_store, &iter, NULL);
+
+    /* Append another empty top-level row to the tree store.
+    *  Iter will point to the new row */
+    gtk_tree_store_append(tree_store, &iter, NULL);
+
+    /* Append a child to the row we just added.
+    *  Child will point to the new row */
+    gtk_tree_store_append(tree_store, &child, &iter);
+
+    /* Get the first row, and add a child to it as well (could have been done
+    *  right away earlier of course, this is just for demonstration purposes) */
+    if (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(tree_store), &iter))
+    {
+    /* Child will point to new row */
+    gtk_tree_store_append(tree_store, &child, &iter);
+    }
+    else
+    {
+    g_error("Oops, we should have a first row in the tree store!\n");
+    }
+
+
     printf("tree_c_printing_test() \
 ---------------------------------------------------------\n\n\
 (https://en.wikibooks.org/wiki/GTK (modulo) 2B_By_Example/Tree_View/Tree_Models)\n\n\
-cf. tuto : gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_UINT)  - (cf. line 69)\n\
-           creates a new list store with two columns.\n\
-Column 0 stores a string and column 1 stores an unsigned integer for each row.\n\
-Three empty lines have been added to the model - (cf. line 100).\n");
+cf. tuto : gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_UINT);  - (cf. line 69)\n\
+           creates a new list store with two columns.\n\n\
+           gtk_tree_store_new(1, G_TYPE_STRING);  - (cf. line 108)\n\
+           creates a new tree store with one column.\n\n\
+Now : how to display in our window (/panel) what was stored in these models ?.\n\
+                (see the commented code at the end)\n");
 }
 
+/*
+https://stackoverflow.com/questions/51002454/how-to-list-all-the-rows-of-a-gtk-treeview
+
+
+using System;
+using System.Collections;
+using Gtk;
+
+public class Actress
+{
+    public string Name;
+    public string Place;
+    public int Year;
+
+    public Actress(string name, string place, int year)
+    {
+        Name = name;
+        Place = place;
+        Year = year;
+    }
+}
+
+public class SharpApp : Window
+{
+    ListStore store;
+    Statusbar statusbar;
+
+    enum Column
+    {
+        Name,
+        Place,
+        Year
+    }
+
+    Actress[] actresses =
+    {
+        new Actress("Jessica Alba", "Pomona", 1981),
+        new Actress("Sigourney Weaver", "New York", 1949),
+        new Actress("Angelina Jolie", "Los Angeles", 1975),
+        new Actress("Natalie Portman", "Jerusalem", 1981),
+        new Actress("Rachel Weissz", "London", 1971),
+        new Actress("Scarlett Johansson", "New York", 1984)
+    };
+
+    public SharpApp() : base ("ListView")
+    {
+        BorderWidth = 8;
+
+        SetDefaultSize(350, 250);
+        SetPosition(WindowPosition.Center);
+        DeleteEvent += delegate { Application.Quit(); };
+
+        VBox vbox = new VBox(false, 8);
+
+
+        ScrolledWindow sw = new ScrolledWindow();
+        sw.ShadowType = ShadowType.EtchedIn;
+        sw.SetPolicy(PolicyType.Automatic, PolicyType.Automatic);
+        vbox.PackStart(sw, true, true, 0);
+
+        store = CreateModel();
+
+        TreeView treeView = new TreeView(store);
+        treeView.RulesHint = true;
+        treeView.RowActivated += OnRowActivated;
+        sw.Add(treeView);
+
+        AddColumns(treeView);
+
+        statusbar = new Statusbar();
+
+        vbox.PackStart(statusbar, false, false, 0);
+
+        Add(vbox);
+        ShowAll();
+    }
+
+    void OnRowActivated (object sender, RowActivatedArgs args) {
+
+        TreeIter iter;
+        TreeView view = (TreeView) sender;
+
+        if (view.Model.GetIter(out iter, args.Path)) {
+            string row = (string) view.Model.GetValue(iter, (int) Column.Name );
+            row += ", " + (string) view.Model.GetValue(iter, (int) Column.Place );
+            row += ", " + view.Model.GetValue(iter, (int) Column.Year );
+            statusbar.Push(0, row);
+        }
+        // *** if I can dump treeview to the console here I'll be happy ***
+        // *** I'd prefer a foreach or do/while ***
+    }
+
+    void AddColumns(TreeView treeView)
+    {
+        CellRendererText rendererText = new CellRendererText();
+        TreeViewColumn column = new TreeViewColumn("Name", rendererText,
+            "text", Column.Name);
+        column.SortColumnId = (int) Column.Name;
+        treeView.AppendColumn(column);
+
+        rendererText = new CellRendererText();
+        column = new TreeViewColumn("Place", rendererText,
+            "text", Column.Place);
+        column.SortColumnId = (int) Column.Place;
+        treeView.AppendColumn(column);
+
+        rendererText = new CellRendererText();
+        column = new TreeViewColumn("Year", rendererText,
+            "text", Column.Year);
+        column.SortColumnId = (int) Column.Year;
+        treeView.AppendColumn(column);
+    }
+
+
+    ListStore CreateModel()
+    {
+        ListStore store = new ListStore( typeof(string),
+            typeof(string), typeof(int) );
+
+        foreach (Actress act in actresses) {
+            store.AppendValues(act.Name, act.Place, act.Year );
+        }
+
+        return store;
+    }
+
+    public static void Main()
+    {
+        Application.Init();
+        new SharpApp();
+        Application.Run();
+    }
+}
+*/
+