Hello Gtk+ developers,
The following small C program(and the C++ counterpart) outputs "0->up()
= true".
----------------gtk_tree_path_test.c----------------------------------------
#include <stdio.h>
#include <gtk/gtk.h>
int main() {
GtkTreePath *path = gtk_tree_path_new_from_string("0");
printf("0->up() = %s\n", gtk_tree_path_up(path) ? "true" : "false");
return 0;
}
---------------gtkmm_tree_path_test.cpp-------------------------------------
#include <iostream>
#include <gtkmm/treepath.h>
using namespace std;
using namespace Gtk;
int main() {
auto path = TreePath("0");
cout << "0->up() = " << boolalpha << path.up() << endl;
return 0;
}
The API documentation of "gtk_tree_path_up()" says
```
Returns
|TRUE|
<https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS>if/|path|/has
a parent, and the move was made.
```
But according to the documentation again
```
Thus, the path“0”refers to the root node and the path“2:4”refers to the
fifth child of the third node.
```
Now, if the path "0" refers to root node, how can it have a parent to
move to? After calling this method on path, the path isn't valid anymore
and fails to be converted into iterator(critical warning is thrown). Is
this behavior correct for gtk_tree_path_up() ?
Samik
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