Created attachment 110400 [details]
Custom tooltip editor mockup

This is an example of a custom tooltip editor, which seams to be used some places on windows.
The tooltip produced is in the office 2007 style and contains detailed info on _how to use_ the hovered widget, not just _what it is_.

Great I agree, even I wanted to use some advanced tooltips in Glade
to better express why widgets/properties/signals may be deprecated
or unsupported by the target toolkit.

I havent looked into the new tooltip api very deeply, as I understand
you can draw a GdkWindow in a custom way for your tooltips correct ?

On the builder side, how do you propose to get this working ?

What code in the gtk+ runtime will handle actually drawing the tooltip ?

Well, gtk 2.12 contains the following class (using pygtk, as that's what I know)

class gtk.Tooltip(gobject.GObject):
    def set_custom(widget)
    def set_icon(pixbuf)
    def set_icon_from_stock(stock_id, size)
    def set_markup(markup)
    def set_text(text)

So there are two ways:
 * Creating a hbox with labels and stuff
 * Simply setting an icon and a text.

If we want the footers and headers from the mockup (and I personally like them a lot :)) we need the first way.

I don't know if this is the right place to post the request, or it should rather be somewhere like the HIG, but as it has a mockup I thought glade would be it.

Oh, and the way the tooltips are set on the widget: http://www.pygtk.org/docs/pygtk/class-gtktooltip.html#id3587486

When you need a tooltip with a little more fancy contents, like adding an image, or you want the tooltip to have different contents per gtk.TreeView row or cell, you will have to do a little more work:

    * Set the GtkWidget:has-tooltip property to True, this will make GTK+ monitor the widget for motion and related events which are needed to determine when and where to show a tooltip.
    * Connect to the GtkWidget::query-tooltip signal. This signal will be emitted when a tooltip is supposed to be shown. One of the arguments passed to the signal handler is a gtk.Tooltip object. This is the object that we are about to display as a tooltip, and can be manipulated in your callback using functions like set_icon. There are functions for setting the tooltip's markup, setting an image from a stock icon, or even putting in a custom widget.
    * Return True from your query-tooltip handler. This causes the tooltip to be show. If you return False, it will not be shown. 

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