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use glib event callback to invoke per-thread code every time the GUI event loop does stuff

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This commit is contained in:
Paul Davis 2020-11-19 19:20:34 -07:00
parent 09c84d1de8
commit 772d70ae4c
5 changed files with 42 additions and 1 deletions
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12
libs/gtkmm2ext/gtk_ui.cc
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@ -73,11 +73,17 @@ BaseUI::RequestType Gtkmm2ext::AddTimeout = BaseUI::new_request_type();
template class AbstractUI<Gtkmm2ext::UIRequest>;
void
UI::event_loop_precall ()
{
}
UI::UI (string application_name, string thread_name, int *argc, char ***argv)
: AbstractUI<UIRequest> (thread_name)
, _receiver (*this)
, global_bindings (0)
, errors (0)
, event_callback (boost::bind (&UI::event_loop_precall, this))
{
theMain = new Main (argc, argv);
@ -111,6 +117,12 @@ UI::UI (string application_name, string thread_name, int *argc, char ***argv)
EventLoop::register_request_buffer_factory ("gui", request_buffer_factory);
/*
* every time the main loop runs (i.e. before any actual event handling
*/
event_callback.attach (MainContext::get_default());
/* attach our request source to the default main context */
attach_request_source ();