remove unused, empty glib event source/callback code (was from an experiment during nutempo2 development)

libs/gtkmm2ext/gtk_ui.cc

@@ -73,17 +73,11 @@ 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);
 
@@ -117,12 +111,6 @@ 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 ();

libs/gtkmm2ext/gtkmm2ext/gtk_ui.h

@@ -50,7 +50,6 @@
 #define ABSTRACT_UI_EXPORTS
 #endif
 #include "pbd/abstract_ui.h"
-#include "pbd/glib_event_source.h"
 #include "pbd/ringbufferNPT.h"
 #include "pbd/pool.h"
 #include "pbd/error.h"
@@ -171,8 +170,6 @@ protected:
 			Glib::RefPtr<Gtk::TextBuffer::Tag> ptag, Glib::RefPtr<Gtk::TextBuffer::Tag> mtag,
 			const char *msg);
 
-	virtual void event_loop_precall ();
-
 private:
 	static UI *theGtkUI;
 
@@ -205,8 +202,6 @@ private:
 	bool color_picked;
 
 	void do_request (UIRequest*);
-
-	GlibEventLoopCallback event_callback;
 };
 
 } /* namespace */

libs/pbd/base_ui.cc

@@ -60,7 +60,6 @@ BaseUI::BaseUI (const string& loop_name)
 	, m_context(MainContext::get_default())
 	, run_loop_thread (0)
 	, request_channel (true)
-	, glib_event_callback (boost::bind (&BaseUI::event_loop_precall, this))
 {
 	base_ui_instance = this;
 	request_channel.set_receive_handler (sigc::mem_fun (*this, &BaseUI::request_handler));
@@ -121,12 +120,6 @@ BaseUI::run ()
 	_main_loop = MainLoop::create (m_context);
 	attach_request_source ();
 
-	/*
-	 * every time the main loop runs (i.e. before any actual event handling)
-	 */
-
-	glib_event_callback.attach (m_context);
-
 	Glib::Threads::Mutex::Lock lm (_run_lock);
 	run_loop_thread = Glib::Threads::Thread::create (mem_fun (*this, &BaseUI::main_thread));
 	_running.wait (_run_lock);

libs/pbd/glib_event_source.cc

@@ -1,19 +0,0 @@
-#include "pbd/glib_event_source.h"
-
-bool
-GlibEventLoopSource::prepare (int& timeout)
-{
-	return false;
-}
-
-bool
-GlibEventLoopSource::check ()
-{
-	return false;
-}
-
-bool
-GlibEventLoopSource::dispatch (sigc::slot_base*)
-{
-	return false;
-}

libs/pbd/pbd/base_ui.h

@@ -33,7 +33,6 @@
 #include "pbd/libpbd_visibility.h"
 #include "pbd/crossthread.h"
 #include "pbd/event_loop.h"
-#include "pbd/glib_event_source.h"
 #include "pbd/pthread_utils.h"
 
 /** A BaseUI is an abstraction designed to be used with any "user
@@ -129,8 +128,6 @@ class LIBPBD_API BaseUI : public sigc::trackable, public PBD::EventLoop
 
 	int setup_request_pipe ();
 	void main_thread ();
-
-	GlibEventLoopCallback glib_event_callback;
 };
 
 #endif /* __pbd_base_ui_h__ */

libs/pbd/pbd/glib_event_source.h

@@ -1,33 +0,0 @@
-#ifndef __libpbd_glib_event_source_h__
-#define __libpbd_glib_event_source_h__
-
-#include <boost/function.hpp>
-
-#include <glibmm/main.h>
-
-class LIBPBD_API GlibEventLoopSource : public Glib::Source
-{
-  public:
-	GlibEventLoopSource () {};
-
-	bool prepare (int& timeout);
-	bool check();
-	bool dispatch (sigc::slot_base*);
-};
-
-
-class LIBPBD_API GlibEventLoopCallback : public GlibEventLoopSource
-{
-  public:
-	GlibEventLoopCallback (boost::function<void()> callback) : _callback (callback) {}
-
-	bool check() {
-		_callback();
-		return false;
-	}
-
-  private:
-	boost::function<void()> _callback;
-};
-
-#endif /* __libpbd_glib_event_source_h__ */

libs/pbd/wscript

@@ -51,7 +51,6 @@ libpbd_sources = [
     'file_archive.cc',
     'file_utils.cc',
     'fpu.cc',
-    'glib_event_source.cc',
     'id.cc',
     'locale_guard.cc',
     'localtime_r.cc',