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prevent unhandled key events from propagating up parent chain

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@70324 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Paul Cornett 2012-01-12 18:06:07 +00:00
parent 120b598609
commit b6e51ead97
1 changed files with 18 additions and 0 deletions
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18
src/gtk/window.cpp
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@ -1068,6 +1068,20 @@ gtk_window_key_release_callback( GtkWidget * WXUNUSED(widget),
}
}
//-----------------------------------------------------------------------------
// "key_press_event"/"key_release_event", after, from m_widget
//-----------------------------------------------------------------------------
extern "C" {
static gboolean key_event_after(GtkWidget* widget, GdkEventKey*, wxWindow*)
{
// If a widget does not handle a key event, GTK+ sends it up the parent
// chain until it is handled. Key events are not supposed to propagate in
// wxWidgets, so prevent it unless widget is in a native container.
return WX_IS_PIZZA(gtk_widget_get_parent(widget));
}
}
// ============================================================================
// the mouse events
// ============================================================================
@ -2357,6 +2371,10 @@ void wxWindowGTK::PostCreation()
ConnectWidget( connect_widget );
// connect handler to prevent key events from propagating up parent chain
g_signal_connect_after(m_widget, "key_press_event", G_CALLBACK(key_event_after), this);
g_signal_connect_after(m_widget, "key_release_event", G_CALLBACK(key_event_after), this);
// We cannot set colours, fonts and cursors before the widget has been
// realized, so we do this directly after realization -- unless the widget
// was in fact realized already.