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Mention focus changes in the migration guide

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Matthias Clasen 2020-04-09 17:29:48 -04:00
parent 16c820c2f0
commit f16c829190
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docs/reference/gtk/migrating-3to4.xml
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@ -470,6 +470,22 @@
</para>
</section>
<section>
<title>Focus handling changes</title>
<para>
The semantics of the #GtkWidget:can-focus property have changed.
In GTK 3, this property only meant that the widget itself would not
accept keyboard input, but its children still might (in the case of
containers). In GTK 4, if :can-focus is %FALSE, the focus cannot enter
the widget or any of its descendents, and the default value has changed
from %FALSE to %TRUE.
</para>
<para>
The recommended way to influence focus behavior of custom widgets
in GTK 4 is to override the focus() and grab_focus() vfuncs.
</para>
</section>
<section>
<title>Stop using GtkEventBox</title>
<para>