[Bug 56070] Can't click button after setting it sensitive.

[gtk+ (bugzilla.gnome.org)]

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  gtk+ | gtk | Ver: 2.6.x




------- Comment #95 from Ed Catmur  2007-05-21 20:14 UTC -------
(In reply to comment #87)
> I don't understand why it has to be so unnecessarily complicated - why not just
> consider HIGHLIGHTED and SENSITIVE to be independent flags?

That would be difficult; HIGHLIGHTED (actually PRELIGHT) and (IN)SENSITIVE are
members of the GtkStateType[1] enumeration, and so PRELIGHT_INSENSITIVE would
be difficult to add (lots of theme code would need changing); moreover,
prelight state is set by the widget implementation, not by GTK+ core (i.e.
gtkmain.c) so the only way to tell a widget to transition to a prelight state
consistently with the logic as it stands is to send it a mouse-entered event. 
Take a look at gtk_button_enter_notify in gtkbutton.c, and note how it's the
widget itself that controls the SENSITIVE state.  Changing that at this stage,
when there are hundreds of GTK+ widgets outside the GTK tree, would be...
challenging.

1.
http://developer.gnome.org/doc/API/2.0/gtk/gtk-Standard-Enumerations.html#GtkStateType


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