+/*
+ Copyright (C) 2000-2007 Paul Davis
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
#ifndef __pbd_base_ui_h__
#define __pbd_base_ui_h__
#include <sigc++/slot.h>
#include <sigc++/trackable.h>
+#include <glibmm/thread.h>
+#include <glibmm/main.h>
+
+#include "pbd/crossthread.h"
+
class BaseUI : virtual public sigc::trackable {
public:
- BaseUI (std::string name, bool with_signal_pipes);
+ BaseUI (const std::string& name);
virtual ~BaseUI();
BaseUI* base_instance() { return base_ui_instance; }
+ Glib::RefPtr<Glib::MainLoop> main_loop() const { return _main_loop; }
+ Glib::Thread* event_loop_thread() const { return run_loop_thread; }
+ bool caller_is_self () const { return Glib::Thread::self() == run_loop_thread; }
+
std::string name() const { return _name; }
bool ok() const { return _ok; }
static RequestType new_request_type();
static RequestType CallSlot;
+ static RequestType Quit;
+
+ void run ();
+ void quit ();
+
+ virtual void call_slot (sigc::slot<void> theSlot) = 0;
protected:
- int signal_pipe[2];
+ CrossThreadChannel request_channel;
bool _ok;
+ Glib::RefPtr<Glib::MainLoop> _main_loop;
+ Glib::Thread* run_loop_thread;
+
+ virtual void thread_init () {};
+ bool request_handler (Glib::IOCondition);
+
+ virtual void handle_ui_requests () = 0;
+
private:
std::string _name;
BaseUI* base_ui_instance;
+
+ static uint64_t rt_bit;
- static uint32_t rt_bit;
-
- int setup_signal_pipe ();
+ int setup_request_pipe ();
+ void main_thread ();
};
#endif /* __pbd_base_ui_h__ */