Re: Tooltips progress
- From: Michael Natterer <mitch gimp org>
- To: Kristian Rietveld <kris imendio com>
- Cc: gtk-devel-list gnome org, timj imendio com
- Subject: Re: Tooltips progress
- Date: Thu, 01 Jun 2006 16:39:24 +0200
On Wed, 2006-05-31 at 22:08 +0200, Kristian Rietveld wrote:
> Currently, we are using the following query-tooltips signal:
>
> gboolean (*query_tooltip) (GtkWidget *widget,
> gint x,
> gint y,
> GtkTooltip *tooltip);
>
> But if a user sets a custom using gtk_widget_set_custom_window(), we don't
> have to pass a GtkTooltip around. So currently I just set the tooltip
> field to NULL, so the user knows he has to use his own custom tooltip
> window (and we assume he has a reference to that). Is this okay or do
> we want to change this? We could also move the _set_custom_window()
> functions into GtkTooltip for example.
I would very much appreciate if the GtkTooltip object also kept track
of the custom window. IMHO it makes no sense to handle this differently.
gtk_tooltip_set_markup() vs. gtk_tooltip_set_window()
simply feels much better than the asymmetry in
gtk_tooltip_set_markup() vs. gtk_widget_set_tooltip_window()
The current approach even limits the new tooltip system's use cases,
since you have to set the custom window *outside* the callback. There
is no way to decide *in* the callback if a standard tooltip is
sufficient, or if a custom window is needed.
Another problem is the assymetry in getting the relevant data to the
callback. With markup, the GtkTooltip can be queried for the markup,
if it's a custom window, you have to get it to the callback somehow.
In your example code it's passed as user_data, but user_data is
often not available since it's needed for other things, so you
have to add a "GtkWidget *tooltip_window" to the "other thing".
If "other thing" is e.g. the application toplevel window, which
of the sub-widget's tooltips should it keep? All of them? People
will in many cases end up attaching the tooltip window to the
widget.
I also fail to see why the "has-tooltip" property has to be
set to TRUE, even tho a tooltip window was set on the widget.
ciao,
--mitch
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