BRANCH dev/ui-simple-tree ORIGIN (cleaning)

include/ui.h

@@ -118,3 +118,5 @@ void ui_send_internal_notification  (const char *message);
 void ui_close_internal_notification (void);
 void ui_toggle_sidebar              ();
 
+void tree_c_printing_test(void);
+

src/main.c

@@ -32,6 +32,9 @@
 
 int main(int argc, char **argv)
 {
+
+    tree_c_printing_test();
+
     g_autoptr(GemGraphClientApplication) app = NULL;
     int res;
 

src/ui/tree.c

@@ -28,4 +28,10 @@
 #include "../../include/base.h"
 #include "../../include/ui.h"
 
+void tree_c_printing_test(void)
+{
+    printf("tree_c_printing_test() \
+------------------------------------------------------\n\
+trying : https://en.wikibooks.org/wiki/GTK\%\2B_By_Example/Tree_View/Tree_Models\n");
+}