From ea43778291132392279d590e1b07f9e3ce79b447 Mon Sep 17 00:00:00 2001
From: Jean Sirmai <jean@a-lec.org>
Date: Fri, 24 Nov 2023 16:50:51 +0100
Subject: [PATCH] WIP: (micro) adding : void onTreeViewRowActivated().

---
 include/ui.h  |  2 ++
 src/ui/tree.c | 39 ++++++++++++++++++++++++++++++++++++---
 2 files changed, 38 insertions(+), 3 deletions(-)

diff --git a/include/ui.h b/include/ui.h
index 6b4dd5c..d595d32 100644
--- a/include/ui.h
+++ b/include/ui.h
@@ -118,5 +118,7 @@ void ui_send_internal_notification  (const char *message);
 void ui_close_internal_notification (void);
 void ui_toggle_sidebar              ();
 
+void onTreeViewRowActivated (GtkTreeView *view, GtkTreePath *path,
+                             GtkTreeViewColumn *col, gpointer userdata);
 void tree_c_printing_test(void);
 
diff --git a/src/ui/tree.c b/src/ui/tree.c
index f8265ae..20f174b 100644
--- a/src/ui/tree.c
+++ b/src/ui/tree.c
@@ -30,14 +30,47 @@
 
 GtkListStore *list_store;
 
+ /*************************************************************
+ *                                                            *
+ *   Converting a GtkTreePath into a GtkTreeIter              *
+ *                                                            *
+ *************************************************************/
 
-void tree_c_printing_test(void)
+ /*************************************************************
+ *                                                            *
+ *   onTreeViewRowActivated: a row has been double-clicked    *
+ *                                                            *
+ *************************************************************/
+
+void
+onTreeViewRowActivated (GtkTreeView *view, GtkTreePath *path,
+                        GtkTreeViewColumn *col, gpointer userdata)
+{
+  GtkTreeIter   iter;
+  GtkTreeModel *model;
+
+  model = gtk_tree_view_get_model(view);
+
+  if (gtk_tree_model_get_iter(model, &iter, path))
+  {
+    gchar *name;
+
+    gtk_tree_model_get(model, &iter, "ANY_COLUMN_NAME", &name, -1);
+
+    g_print ("The row containing the name '%s' has been double-clicked.\n", name);
+
+    g_free(name);
+  }
+}
+
+void
+tree_c_printing_test(void)
 {
     list_store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_UINT);
 
     printf("tree_c_printing_test() \
-------------------------------------------------------\n\n\
-trying : https://en.wikibooks.org/wiki/GTK\%\2B_By_Example/Tree_View/Tree_Models\n\n\
+---------------------------------------------------------\n\n\
+(https://en.wikibooks.org/wiki/GTK (modulo) 2B_By_Example/Tree_View/Tree_Models)\n\n\
 cf. tuto : This 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\
 At this point the model has no rows yet of course.\n");