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widget: more details on gtk_widget_grab_focus docs

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Tell that widget needs to be mapped and realized.
This commit is contained in:
Stefan Kost 2010-09-01 15:13:09 +03:00
parent 267a2156d8
commit 94420f7110
1 changed files with 4 additions and 0 deletions
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4
gtk/gtkwidget.c
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@ -5163,6 +5163,10 @@ _gtk_widget_grab_notify (GtkWidget *widget,
*
* More precisely, it must have the %GTK_CAN_FOCUS flag set. Use
* gtk_widget_set_can_focus() to modify that flag.
*
* The widget also needs to be realized and mapped. This is indicated by the
* related signals. Grabbing the focus immediately after creating the widget
* will likely fail and cause critical warnings.
**/
void
gtk_widget_grab_focus (GtkWidget *widget)