(question at the bottom)
Replying to my own question for people who might have the same problem
in the future:
1) set a custom tooltip window "tipwin"
2) in bool on_query_tooltip(int x, int y, bool keyboard_tooltip, const
Glib::RefPtr<Gtk::Tooltip>& tooltip) :
int rx, ry;
text_view.get_window(Gtk::TEXT_WINDOW_WIDGET)->get_root_coords(x, y, rx,
ry); // this can work with the Gdk::Window of any widget
tipwin.move(rx, ry);
3) if you change the content of your tooltip, you might want to call
tipwin.resize(1, 1) to fit the window to its content.
When setting a custom tooltip window, it seems that the argument tooltip
is not added to the window and therefore is useless.
When not setting a custom tooltip window, the get_tooltip_window()
method always return NULL, whereas the doc tells "This can be the
GtkWindow created by default".
Is this a bug or a mistake in the doc ?
yann
On 16/11/12 17:50, Yann Leydier wrote:
Hullo,
I'm writing an application using a Gtk::TextView and I need to change
the TextView's tooltip depending on the character that is under the
mouse cursor. I did this with the query-tooltip signal and I am able to
change the label and icon as I wish.
However, when I move the mouse, the tooltip stays where it appeared. I
cannot find a way to make it follow the mouse cursor.
I tryed to set a custom tooltip window but Gtk::Window::move() takes
absolute coordinates, whereas signal_query_tooltip sends me coordinates
that are relative to the widget. Does anyone have an idea on how to do
that?
Thanks a lot,
yann
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