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Addressing #7371: don't trigger session->undo() from non-GUI-thread

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When triggering Session::undo() or Session::redo() from a
non-GUI-thread (e.g. from a surface protocol) Ardour crashes if setting a
CairoWidget dirty due to a ENSURE_GUI_THREAD assertion. (see #7371)

By triggering undo by BasicUI::access_action() rather than by Session::undo()
we ensure that the GUI thread will finally call Session::undo().

So more like a workaround ... but better than crashing :)
This commit is contained in:
Johannes Mueller 2017-06-25 21:21:56 +02:00 • committed by Robin Gareus
parent 02ed6130e4
commit f7452c2a3a
1 changed files with 2 additions and 2 deletions
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4
libs/surfaces/control_protocol/basic_ui.cc
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@ -328,13 +328,13 @@ BasicUI::get_transport_speed ()
void
BasicUI::undo ()
{
session->undo (1);
access_action ("Editor/undo");
}
void
BasicUI::redo ()
{
session->redo (1);
access_action ("Editor/redo");
}
void